Dr. Bergman's research centers around two main areas: pediatric health, particularly congenital heart defects and their implications for families, and the development of new battery technologies. In pediatric health, he examines how various maternal diseases and treatments impact unborn babies' heart functions, as well as the genetic patterns of congenital heart defects. He also investigates complications after heart surgery and the effectiveness of screening methods for newborns. In the realm of battery technology, Dr. Bergman studies electrolyte solutions that enhance battery performance, which can lead to safer and more efficient energy storage options. His work helps improve treatments for vulnerable populations like fetuses and newborns, alongside boosting the advancement of energy technologies.
Key findings
A study on fetal heart conduction showed that women with primary Sjögren disease had 2.71 times longer conduction times compared to those without this condition.
In a cohort study, only 5% of children who underwent Fontan surgery developed protein-losing enteropathy (PLE), which significantly affects survival with 88% alive five years post-diagnosis.
From 2012 to 2019, there was a 328% increase in pulmonary thromboendarterectomy surgeries for chronic thromboembolic pulmonary hypertension, emphasizing the importance of specialized treatment centers.
Frequently asked questions
Does Dr. Bergman study congenital heart defects?
Yes, Dr. Bergman's research extensively covers congenital heart defects, including their genetic patterns and complications following surgery.
What advancements in battery technology has Dr. Bergman researched?
Dr. Bergman has researched innovative electrolyte solutions to improve battery performance and efficiency, contributing to better energy storage technologies.
Is Dr. Bergman's work relevant to pregnant women with autoimmune diseases?
Yes, his work specifically studies how autoimmune diseases in mothers can affect the heart health of their unborn children.
What are Dr. Bergman's findings on heart monitoring for pregnant women?
He investigated home monitoring experiences for women with specific autoantibodies and found it enhances parental bonding while also causing stress.
How does Dr. Bergman's research impact newborns with heart defects?
His studies on screening methods aim to improve early detection of critical congenital heart defects, potentially preventing life-threatening situations.
Publications in plain English
The Nutmeg Lung Pattern in a Fetus with Hypoplastic Left Heart Syndrome and Turner Syndrome.
2026
Pediatric cardiology
Fricke K, Övermo Tydén K, Bergman G, Hedström E
Plain English This study looked at a fetus with a serious heart condition called hypoplastic left heart syndrome and a genetic condition known as Turner syndrome. The researchers used a special type of imaging called MRI, which showed signs of lung problems described as "nutmeg lung pattern," indicating possible fluid issues in the lungs. After the baby was born, they faced significant breathing challenges but eventually improved and left the hospital. This research is important because it highlights the potential complications in fetuses with heart defects and Turner syndrome, helping doctors better understand and manage similar cases in the future.
Who this helps: This helps doctors managing high-risk pregnancies and infants with congenital heart defects.
Protein-losing enteropathy following Fontan completion: A 30-year national cohort study in Sweden.
2026
The Journal of thoracic and cardiovascular surgery
Dolk M, Schütz I, Herou E, Nordenstam F, Bergman G +7 more
Plain English This study looked at children who developed a condition called protein-losing enteropathy (PLE) after undergoing a specific heart surgery called Fontan. Out of 573 patients, 28 (or about 5%) developed PLE, with most cases starting about 1.5 years after the surgery. This condition is serious because it can significantly affect survival rates—five years after diagnosis, 88% of patients were still alive, and 79% had not needed a heart transplant.
Who this helps: This research benefits patients with congenital heart defects and their doctors by highlighting risks and treatment options following Fontan surgery.
Congenital heart defects: familial recurrence patterns in Sweden.
2026
European heart journal
Kazamia K, Ekberg S, Dietrich CE, Eliasson H, Wahren-Herlenius M +1 more
Plain English This study looked at how often congenital heart defects (CHD) occur in families in Sweden by analyzing health records of over 51,000 people with CHD and over 522,000 without. The researchers found that if someone has a family member with CHD, their chance of also having it increases significantly; specifically, having one affected relative raises the odds by 2.71 times, and this risk gets higher with each additional affected family member. Understanding these patterns is important for advising families on genetic risks and family planning.
Who this helps: This helps patients and families at risk for congenital heart defects.
Prediction of foetal atrioventricular conduction using maternal disease, treatment and anti-Ro/La autoantibody levels.
2026
Rheumatology (Oxford, England)
Martin de Frémont G, Rudolph L, da Silva Rodrigues R, Hedlund M, Tršelič T +9 more
Plain English This study looked at how certain maternal diseases, treatments, and antibody levels affect the heart's electrical conduction in unborn babies. Researchers analyzed data from 324 pregnancies and found that women with primary Sjögren disease had longer times for fetal heart conduction compared to those without this condition. They also found that a specific medication (AZA) used for lupus was linked to shorter conduction times, while high levels of anti-La antibodies increased the risk of heart block in babies.
Who this helps: This research benefits pregnant women with autoimmune diseases and their healthcare providers.
Solvation Interactions in Water-DMSO Electrolyte Systems for Enhanced Aqueous Lithium Battery Performance.
2026
ACS applied materials & interfaces
Bergman G, Leifer N, Zhigalenok Y, Malchik F, Sharon D +4 more
Plain English This study looked at a new type of battery electrolyte made from a mix of water and dimethyl sulfoxide (DMSO) to improve lithium battery performance. Researchers found that this mixture helps batteries work better, especially in terms of how they handle salt and how well they charge and discharge. Specifically, using nearly saturated lithium chloride solutions increased the battery's efficiency, suggesting that this mix can lead to safer and more effective battery technology.
Who this helps: This benefits battery manufacturers and consumers looking for safer, more efficient energy storage solutions.
Associations of infection burden with Kawasaki disease in a population-based setting during 30 years.
2025
RMD open
Mofors J, Rudolph A, Schiller B, Elinder G, Sonesson SE +3 more
Plain English This study looked at how infections might be related to Kawasaki disease, a rare childhood illness, by analyzing data from Sweden over 30 years. The researchers found that children with Kawasaki disease were 2.3 times more likely to have had infections compared to those without the disease, with the highest risk occurring just weeks before the diagnosis. It’s important because it highlights that various infections could play a significant role in triggering this disease, which can lead to serious heart problems if not treated promptly.
Who this helps: This helps children at risk for Kawasaki disease and their doctors by providing insights into potential infection triggers.
Swedish Nationwide Study Found That Prematurity Was Associated With Kawasaki Disease.
2025
Acta paediatrica (Oslo, Norway : 1992)
Frisk A, Rudolph A, Eliasson H, Nordenstam F, Bergman G +2 more
Plain English This study looked at risk factors for Kawasaki disease (KD), a condition that affects children, by comparing over 1,600 kids with KD to more than 15,000 healthy children in Sweden between 1987 and 2018. They found that being born prematurely raised the likelihood of developing KD to 24%, especially for babies diagnosed before their first birthday, where the risk increased to 82%. Additionally, factors like maternal smoking during pregnancy and the mother's age also contributed to this risk.
Who this helps: This information helps parents and doctors understand the increased risks of Kawasaki disease in premature babies and children from specific backgrounds.
Suppression of Halide Ion Crossover in Zn-Halide Batteries by 2D MXene Membranes.
2025
ACS applied materials & interfaces
Roy A, Chakraborty A, Valurouthu G, Zhang Y, Bergman G +4 more
Plain English This study explored how MXene membranes can reduce unwanted movement of halide ions in zinc-halide batteries, which can cause batteries to lose power quickly. Researchers found that these MXene membranes are much better at preventing this ion crossover compared to the traditional materials, with a significant improvement in the way they select which ions pass through. This is crucial because it can lead to better performance and longer-lasting batteries.
Who this helps: This benefits battery manufacturers and consumers looking for more reliable energy storage.
Cation-Water Dynamics in Prussian Blue Analogues Cathodes.
2025
ChemSusChem
Shwartsman K, Bergman G, Bruchiel-Spanier N, Rahmany S, Wu L +4 more
Plain English This study looked at the behavior of Prussian blue analogues (PBA) used as battery materials, especially how water and different metal ions interact during charging. The researchers measured how sodium, potassium, and cesium ions move in and out of the PBA electrodes and how water affects this process. They found that understanding these interactions is crucial for improving battery performance, which could lead to better energy storage solutions.
Who this helps: This helps battery manufacturers and researchers working on more efficient energy storage technologies.
Less Invasive Surfactant Administration: A Quality Improvement Project.
2025
MCN. The American journal of maternal child nursing
Orr K, Bergman G, Gall G
Plain English This research examined a method called Less Invasive Surfactant Administration (LISA) for helping premature infants with breathing issues. After implementing improvements in procedures and training, the use of LISA increased from 47% compliance to 100% in two months, treating 43 infants compared to just 16 before the project. Additionally, this method led to fewer serious complications, such as severe bleeding in the brain and reduced need for repeated treatments, which is important for the health and recovery of these fragile infants.
Who this helps: This benefits premature infants who need respiratory support and their healthcare providers.
Home monitoring of fetal heart rhythm: Lived experiences of women with anti-SSA/Ro52 autoantibodies and their co-parents.
2024
Lupus
Tingström J, Öst E, Bergman G, Burström Å
Plain English This study looked at how women with specific autoantibodies, which increase the risk of their babies developing heart problems, experience home monitoring of their unborn baby's heartbeat. The researchers found that while the parents felt confident and were able to bond with their baby through home monitoring, they also experienced a sense of stress during this risky time. Home monitoring was seen as an important part of their care, but there is a need for better communication about how the healthcare team supports them.
Who this helps: This helps expectant parents with anti-SSA/Ro52 autoantibodies and their healthcare providers.
Nationwide trends of balloon pulmonary angioplasty and pulmonary thromboendarterectomy for chronic thromboembolic pulmonary hypertension (2012-2019).
2024
Pulmonary circulation
Vohra AS, Olonoff DA, Ip A, Kirtane AJ, Steinberg Z +8 more
Plain English This study looked at two treatments for chronic thromboembolic pulmonary hypertension (CTEPH), a serious condition that can occur after blood clots in the lungs. From 2012 to 2019, researchers found that the number of pulmonary thromboendarterectomy (PTE) surgeries increased by 328%, with 2,395 procedures performed, while balloon pulmonary angioplasty (BPA) remained steady with 870 procedures. The study discovered that patients at low-volume hospitals faced higher risks of complications like prolonged mechanical ventilation (20% compared to 7.2%) and tracheostomy (7.8% vs. 2.6%) compared to those at high-volume hospitals, highlighting the importance of receiving care at facilities with more experience in these treatments.
Who this helps: This research benefits patients with CTEPH by emphasizing the need for treatment at specialized centers.
Percutaneous closure of giant aneurysmal coronary artery-to-coronary sinus fistulae with guidance from three-dimensional printed models: a case series.
2023
European heart journal. Case reports
Kanduri J, Truong QA, Shin J, Wong SC, Bergman G +3 more
Plain English This study looked at two patients with large aneurysms in their coronary arteries that were connected to the heart's coronary sinus, an abnormal condition known as a fistula. Using 3D printed models of their hearts, doctors were able to successfully close these fistulas using a specific type of medical device. This approach helps improve treatment accuracy, which is important for safely addressing such complex heart issues.
Who this helps: This benefits patients with similar heart conditions and their doctors.
Early Stroke and Mortality After Percutaneous Left Atrial Appendage Occlusion in Patients With Atrial Fibrillation.
2023
Stroke
Kogan EV, Sciria CT, Liu CF, Wong SC, Bergman G +6 more
Plain English This study looked at early strokes and deaths following a procedure called left atrial appendage occlusion (LAAO), which helps prevent strokes in patients with a type of irregular heartbeat known as atrial fibrillation. The researchers found that the rates of early strokes were very low at 0.63% and early deaths were at 0.53%, with most strokes happening within the first 45 days after the procedure. This is important because it shows that LAAO is a safe option for patients who can't use blood thinners, and the rate of early strokes has actually decreased over time from 0.64% to 0.46%.
Who this helps: This benefits patients with atrial fibrillation who cannot take blood thinners safely.
Feasibility and Safety of Impella-Assisted High-Risk PCI Before TAVR in Patients With Severe Aortic Stenosis.
2023
Journal of the Society for Cardiovascular Angiography & Interventions
Yeo I, Wong SC, Mack CA, Ko W, Kim LK +7 more
Plain English This study looked at the safety and effectiveness of using a device called Impella to help with a type of heart procedure called PCI in older patients who also needed a heart valve replacement. Out of 15 patients, 14 successfully had the procedure using Impella, with an average age of 89 years. Importantly, there were no major complications after the procedures, and none of the patients died during the hospital stay or within 30 days.
Who this helps: This benefits elderly patients with severe heart valve disease who are undergoing complex heart procedures.
Polyimide Compounds For Post-Lithium Energy Storage Applications.
2023
Angewandte Chemie (International ed. in English)
Nimkar A, Bergman G, Ballas E, Tubul N, Levi N +8 more
Plain English This research reviews polyimide compounds, which are materials that can be used in batteries to store energy effectively. It summarizes how these compounds work well with different types of ions and discusses advancements in using them for creating better batteries, separators, and other components. The findings are promising for developing new energy storage systems that could be more efficient after lithium-based technologies.
Who this helps: This benefits battery manufacturers and researchers working on advanced energy storage solutions.
Transcatheter mitral valve implantation: Implications of interventional technique and 3D echocardiography for complex valve-in-valve paravalvular leak.
2023
Annals of cardiac anaesthesia
Sehgal S, Subramanyam P, Ahluwalia M, Rastogi A, Bergman G
Plain English This study looked at a patient who had problems with their heart valve after a previous valve replacement surgery. The patient's condition involved a significant leak around the new valve, which can worsen health outcomes. The researchers used a new method to place an additional valve inside the existing one, using advanced 3D imaging to guide the procedure, showing that this approach can effectively address complex valve issues.
Who this helps: This benefits patients with severe heart valve problems, especially those who have had previous surgeries.
Screening for Critical Congenital Heart Defects in Sweden.
2023
Pediatrics
Lannering K, Kazamia K, Bergman G, Östman-Smith I, Liuba P +3 more
Plain English This study looked at how well different methods—like prenatal ultrasounds, pulse oximetry screening (POS), and physical exams—identify serious heart defects in newborns in Sweden. Out of 630 babies with critical congenital heart defects (CCHD), 89% were diagnosed before leaving the hospital, but 10% still went home without a diagnosis, which can be life-threatening. The findings highlight that while screening tests like POS are valuable, there’s still a significant number of babies (64) who were discharged undiagnosed, particularly those with a condition called coarctation of the aorta.
Who this helps: This research benefits newborns with heart defects and their families by aiming for better detection methods.
Is "Water in Salt" Electrolytes the Ultimate Solution? Achieving High Stability of Organic Anodes in Diluted Electrolyte Solutions Via a Wise Anions Selection.
2023
Angewandte Chemie (International ed. in English)
Nimkar A, Alam K, Bergman G, Levi MD, Major DT +2 more
Plain English This study examined how different types of ions in a special kind of electrolyte solution, called water-in-salt (WIS), affect the stability of certain battery materials. The researchers found that choosing the right kind of anions (negative ions) is crucial; using ones that create a supportive environment resulted in much better battery stability, allowing the battery to work well even at low concentrations, like 0.2M. This discovery is important because it can help improve the design of more efficient and stable batteries, making them potentially cheaper and longer-lasting.
Who this helps: This benefits battery manufacturers and ultimately, consumers who rely on better battery performance.
Cost analysis of self-monitoring blood glucose in nonintensively managed type 2 diabetes.
2023
The American journal of managed care
Kerr D, Duncan I, Repetto E, Maroun R, Wu A +3 more
Plain English This study looked at the costs and healthcare use between two methods of monitoring blood sugar—self-monitoring blood glucose (SMBG) and continuous glucose monitoring (CGM)—in adults with type 2 diabetes who are not in intensive management. It found that on average, CGM users spent $20,542 per year, while SMBG users spent $19,349, showing that SMBG is less expensive. Additionally, CGM users had higher medication costs and more visits to doctors but did not have more emergency room visits or hospital stays.
Who this helps: Patients with type 2 diabetes who are not intensively managed can benefit from understanding the potential cost savings of self-monitoring blood glucose.
Long-term tolerability and efficacy of golimumab in active non-radiographic axial spondyloarthritis: results from open-label extension.
2022
Rheumatology (Oxford, England)
van der Heijde D, Dougados M, Maksymowych WP, Bergman G, Curtis SP +4 more
Plain English This study examined the long-term effects of a medication called golimumab (GLM) in patients with non-radiographic axial spondyloarthritis (nr-axSpA), a form of arthritis that mainly affects the spine without visible X-ray damage. Out of 198 patients, 95.5% participated in the extended treatment phase, and results showed that more patients on golimumab experienced significant improvements in their symptoms over 52 weeks: 83.9% showed a 20% improvement and 76.3% had a 40% improvement, compared to lower rates in those who did not receive golimumab. Importantly, side effects were less common in those on golimumab compared to those who were not, with 41.9% experiencing adverse events versus 54.2%.
Who this helps: This helps patients suffering from non-radiographic axial spondyloarthritis by offering an effective long-term treatment option.
Racial Disparities in Access to High-Volume Mitral Valve Transcatheter Edge-to-Edge Repair Centers.
2022
Journal of the Society for Cardiovascular Angiography & Interventions
Steitieh D, Zaidi A, Xu S, Cheung JW, Feldman DN +11 more
Plain English This study looked at how access to specialized heart treatment centers for a procedure called transcatheter edge-to-edge repair (TEER) varies by race. The researchers found that Black patients were 59% less likely and Hispanic patients were 51% less likely to receive treatment at high-volume centers that perform this procedure frequently, compared to White patients. Additionally, Hispanic patients had a three times higher chance of dying during hospitalization than White patients. This matters because it highlights significant racial disparities in access to essential heart care, which can affect outcomes for vulnerable populations.
Who this helps: This helps patients, particularly Black and Hispanic individuals with heart conditions.
Unique Mechanisms of Ion Storage in Polyaniline Electrodes for Pseudocapacitive Energy Storage Devices Unraveled by EQCM-D Analysis.
2022
ACS applied materials & interfaces
Turgeman M, Bergman G, Nimkar A, Gavriel B, Ballas E +5 more
Plain English This research studied how polyaniline (PANI) electrodes, used in certain types of batteries, interact with different salt solutions during charging. The scientists found that the way these electrodes store energy is influenced by factors like the pH of the solution and the type of ions present, with specific tests showing that variations in the electrolyte can significantly affect energy storage capacity. For example, the study showed that how much water is removed or added during charging can change the battery's performance.
Who this helps: Patients who rely on more efficient battery technologies, like those in medical devices or electric vehicles.
Perspectives on facilitating dynamic ecology courses online using active learning.
2021
Ecology and evolution
Gahl MK, Gale A, Kaestner A, Yoshina A, Paglione E +1 more
Plain English This study looked at how to effectively teach ecology courses online by using active learning techniques, which engage students in critical thinking rather than traditional lecturing. The researchers found that when they incorporated methods like open-ended assignments and active discussions in an online environment, students were able to learn better and think more like scientists. This matters because it shows that even complex subjects like ecology can thrive in online formats, helping keep these courses relevant and effective.
Who this helps: This helps students in ecology courses and the educators teaching them.
Evidence of support used for drug treatments in pediatric cardiology.
2021
Health science reports
Back J, Wåhlander H, Hanseus K, Bergman G, Naumburg E
Plain English This study looked at how medications are prescribed for children in cardiac units in Sweden. Out of 233 treatments for 28 patients, 75% were off-label, meaning they were used in ways not officially approved. Most of these off-label prescriptions were backed by expert advice or clinical guidelines, but 7% lacked any support, highlighting the need for better information in some cases.
Who this helps: This research benefits doctors and pediatric cardiology patients by highlighting the reliance on expert guidelines for off-label drug use.
Shpigel N, Chakraborty A, Malchik F, Bergman G, Nimkar A +8 more
Plain English This study looked at whether anions (negatively charged particles) can fit into the spaces between MXene sheets, which are used in batteries and supercapacitors. Researchers tested the insertion of anions in different types of liquid solutions and found that it is unlikely for anions to enter MXene layers because of the strong negative charge on these sheets. This matters because understanding how MXenes work can help improve energy storage technologies.
Who this helps: This helps battery and supercapacitor engineers and manufacturers.
Thirty-Day Readmission Rates after Takotsubo Syndrome with or without Malignancy: A Nationwide Readmissions Database Analysis.
2021
Journal of clinical medicine
Jang SJ, Yeo I, Jonas C, Goyal P, Cheung JW +9 more
Plain English This study looked at the rates of hospital readmission within 30 days for patients who were hospitalized with Takotsubo syndrome (a temporary heart condition) and whether or not they had cancer. Researchers found that 15.9% of patients with cancer were readmitted compared to 11.0% of those without cancer. Additionally, patients with cancer faced 25% higher medical costs after their initial hospitalization.
Who this helps: This research helps doctors and healthcare providers better manage care for patients with Takotsubo syndrome who also have cancer.
Transplantation-free survival after Norwood surgery for hypoplastic left heart syndrome with aortic atresia: A Swedish national cohort study.
2020
Cardiology in the young
Öhman A, El-Segaier M, Bergman G, Hanseus K, Malm T +5 more
Plain English This study looked at how well infants with a serious heart condition called hypoplastic left heart syndrome with aortic atresia survive after a specific surgery known as Norwood surgery in Sweden. Out of 208 babies born with this condition between 1993 and 2010, 121 had the surgery, and half of them (50%) survived without needing a heart transplant. The study found that survival rates improved over time, with a 10-year survival rate of 63% for later surgeries compared to just 40% for earlier ones, and it also revealed that girls had lower survival rates than boys, with 34% versus 59% surviving after ten years.
Who this helps: This research provides important information for doctors treating infants with this heart condition and helps guide care decisions for these patients.
Type I IFN system activation in newborns exposed to Ro/SSA and La/SSB autoantibodies in utero.
2020
RMD open
Hedlund M, Thorlacius GE, Ivanchenko M, Ottosson V, Kyriakidis N +12 more
Plain English This study looked at newborns whose mothers have specific autoantibodies (Ro and La antibodies) that can potentially harm the baby, particularly by causing congenital heart block (CHB). Researchers found that these newborns had signs of an activated immune system, including higher levels of a protein called interferon-alpha (IFNα) in their blood, with about 3.5 times increased gene expression related to interferon compared to healthy controls. Importantly, newborns whose mothers received immunomodulatory treatment had immune responses more similar to healthy babies, suggesting this treatment might protect the baby from immune activation.
Who this helps: This research benefits mothers with autoimmune diseases and their newborns at risk of heart conditions.
Transplantation-free Survival after Norwood surgery for Hypoplastic Left Heart Syndrome with Aortic Atresia. A Swedish National Cohort Study. - ERRATUM.
2020
Cardiology in the young
Öhman A, El-Segaier M, Bergman G, Hanseus K, Malm T +5 more
Associations Between Hospital Length of Stay, 30-Day Readmission, and Costs in ST-Segment-Elevation Myocardial Infarction After Primary Percutaneous Coronary Intervention: A Nationwide Readmissions Database Analysis.
2020
Journal of the American Heart Association
Jang SJ, Yeo I, Feldman DN, Cheung JW, Minutello RM +4 more
Plain English This study looked at patients who were hospitalized for a specific type of heart attack called ST-segment-elevation myocardial infarction (STEMI) and treated with a procedure called primary percutaneous coronary intervention. Researchers found that patients who stayed in the hospital for 1-2 days had a lower chance of being readmitted within 30 days (12% for anterior wall STEMI and 9.9% for non-anterior wall STEMI) and incurred lower costs overall. However, those short stays were also linked to a higher risk of death within 30 days for anterior wall STEMI patients compared to those who stayed in the hospital for at least 3 days.
Who this helps: This information benefits doctors and hospital administrators as they make decisions about patient care and hospital policies.
Tricuspid Stenosis in Pregnancy: A Valve-in-Valve Conundrum.
2020
JACC. Case reports
Adejumo OL, Hameed I, Grossman T, Landres I, Tam C +9 more
Plain English This study looked at how to replace a faulty tricuspid heart valve in a 23-week pregnant woman who had multiple health issues and serious symptoms. They found that using a newer method called transcatheter valve-in-valve replacement could be a safer option compared to traditional surgery, which has a high risk of complications. This matters because it shows that there are safer ways to treat heart problems in pregnant women, potentially saving lives.
Who this helps: This helps pregnant women with heart issues and their doctors.
The Influence of Gender on In-Hospital Clinical Outcome Following Isolated Mitral or Aortic Heart Valve Surgery.
2019
Cardiovascular revascularization medicine : including molecular interventions
Wong SC, Yeo I, Bergman G, Feldman DN, Singh H +2 more
Plain English This study looked at the effects of gender on hospital outcomes for elderly patients who had surgery to repair or replace heart valves on the left side of the heart. Researchers found that women had a higher risk of serious complications, such as death or stroke, compared to men—9.4% of women faced these issues versus 8.3% of men, and women also had a higher death rate (5.2% vs. 4.3%). These findings highlight that while outcomes for heart valve surgeries have improved for both genders over the years, women still experience worse outcomes after surgery.
Who this helps: This research benefits patients, especially women undergoing heart valve surgery, by highlighting the need for tailored medical approaches.
Changing Epidemiology of Hypoplastic Left Heart Syndrome: Results of a National Swedish Cohort Study.
2019
Journal of the American Heart Association
Öhman A, El-Segaier M, Bergman G, Hanséus K, Malm T +5 more
Plain English This study looked at changes over time in the number of babies born with a specific heart condition called hypoplastic left heart syndrome in Sweden. Researchers found that the number of live births with this condition dropped from 15.4 to 8.4 per 100,000, while the detection of the condition before birth rose from 27% to 63%. More pregnancies were also ended due to the diagnosis, increasing from 19% to 56%, and more babies who were born with the condition received surgery in later years.
Who this helps: This research benefits doctors and parents by providing important insights into early detection and treatment options for affected babies.
Comorbidity and long-term outcome in patients with congenital heart block and their siblings exposed to Ro/SSA autoantibodies in utero.
2019
Annals of the rheumatic diseases
Mofors J, Eliasson H, Ambrosi A, Salomonsson S, Skog A +5 more
Plain English This study looked at patients with congenital heart block (CHB) who were exposed to certain antibodies in the womb and found that they face significantly higher health risks as they grow up. Specifically, about 17% of patients developed heart issues compared to just 0.3% in healthy individuals, and they had an increased risk of serious conditions like cerebral infarction and autoimmune diseases. This is important because it highlights the need for careful monitoring and management of health issues in these patients and their siblings.
Who this helps: This research benefits patients with congenital heart block and their families, as well as their doctors.
In-Hospital Bleeding Outcomes of Myocardial Infarction in the Era of Warfarin and Direct Oral Anticoagulants for Atrial Fibrillation in the United States: A Report From the National Cardiovascular Data Registry Acute Coronary Treatment and Intervention Outcomes Network Registry.
2019
Journal of the American Heart Association
Feldman DN, Wang TY, Chen AY, Swaminathan RV, Kim LK +5 more
Plain English This study looked at how patients who had heart attacks and were on blood thinners (either warfarin or direct oral anticoagulants) experienced major bleeding while in the hospital. Researchers analyzed data from nearly 26,000 patients treated at hospitals across the U.S. between 2015 and 2016 and found that those taking warfarin or direct oral anticoagulants did not have a higher risk of in-hospital major bleeding compared to patients who were not on any blood thinners. This is important because it suggests that patients can safely continue their blood thinner treatment during a heart attack without increasing their bleeding risk.
Who this helps: Patients with atrial fibrillation or flutter who are receiving treatment for heart attacks.
Bioprosthetic mitral valve paravalvular leak closure using intracardiac echocardiography-guided three dimensional electroanatomic mapping.
2018
Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions
Al'Aref SJ, Devereux RB, Cheung JW, Bergman G
Plain English This study looked at a problem called paravalvular leak (PVL), which can happen after replacing a heart valve and can lead to serious health issues. Researchers found that using a special technique involving heart imaging and mapping made it easier to fix this leak in a patient with a bioprosthetic mitral valve. This is important because it improves the chances of successful repair and reduces risks for patients who experience this complication.
Who this helps: This helps patients with heart valve replacements who develop PVL.
Temporal Trends in the Clinical Acuity of Patients with ST-Segment Elevation Myocardial Infarction.
2018
The American journal of medicine
Krishnan U, Brejt JA, Schulman-Marcus J, Swaminathan RV, Feldman DN +6 more
Plain English This study looked at patients with severe heart attacks (STEMI) who received immediate treatment over several years, from 2004 to 2012. The researchers found that while the overall in-hospital death rate slightly increased from 3.9% to 4.7%, the number of patients with other serious health issues also grew significantly, indicating that people were getting sicker when they arrived for treatment. Importantly, after taking into account these worsening health conditions, the death rate actually decreased, showing that improvements in care were helping some patients despite the increasing severity of cases.
Who this helps: This research helps doctors better understand the evolving risks in heart attack patients and improve treatment strategies.
Thirty-Day Readmission Rates, Timing, Causes, and Costs after ST-Segment-Elevation Myocardial Infarction in the United States: A National Readmission Database Analysis 2010-2014.
2018
Journal of the American Heart Association
Kim LK, Yeo I, Cheung JW, Swaminathan RV, Wong SC +7 more
Plain English Researchers looked at why and when patients were readmitted to the hospital within 30 days after having a heart attack known as STEMI from 2010 to 2014. They found that 12.3% of these patients were readmitted, with nearly half returning within just seven days, and many for reasons unrelated to their heart condition. Additionally, being readmitted was linked to almost a 50% increase in hospital costs, emphasizing the importance of monitoring both heart and overall health closely after discharge.
Who this helps: This benefits patients recovering from heart attacks and their healthcare providers.
Analysis of reperfusion time trends in patients with ST-elevation myocardial infarction across New York State from 2004 to 2012.
2017
International journal of cardiology
Al'Aref SJ, Wong SC, Swaminathan RV, McNair P, Feldman DN +4 more
Plain English This study looked at the time it takes to treat patients with severe heart attacks (STEMI) in New York State between 2004 and 2012. Researchers found that the time from when symptoms started to when patients received treatment (symptom-onset to door time) improved from an average of 127 minutes to 116 minutes, while the time from hospital arrival to treatment (door-to-balloon time) decreased significantly from 83 minutes to 59 minutes. This is important because faster treatment can lead to better survival rates; longer delays in treatment are linked to higher chances of death.
Who this helps: This benefits heart attack patients, especially women who tend to experience longer treatment times.
Comparison of Trends and In-Hospital Outcomes of Concurrent Carotid Artery Revascularization and Coronary Artery Bypass Graft Surgery: The United States Experience 2004 to 2012.
Plain English This study looked at three methods for treating patients who have both severe carotid artery and coronary artery diseases while they undergo heart bypass surgery between 2004 and 2012. Out of over 22,500 surgeries, most patients (68.4%) received a combined approach called carotid endarterectomy (CEA) along with coronary artery bypass grafting (CABG), but this method decreased in use by 16.1% over the years, while another method using carotid artery stenting (CAS) remained stable. The findings show that while the combined CEA and CABG approach carries a higher risk of death, it also has a lower risk of stroke compared to the CAS method, which helps doctors make more informed choices about surgery options for these patients.
Who this helps: This benefits patients with both carotid and coronary artery diseases undergoing surgery.
Palivizumab Exposure and the Risk of Atopic Dermatitis, Asthma and Allergic Rhinoconjunctivitis: A Cross-National, Population-Based Cohort Study.
2017
Paediatric drugs
Haerskjold A, Stokholm L, Linder M, Thomsen SF, Bergman G +4 more
Plain English This study looked at whether giving palivizumab, a medication for children at high risk of severe respiratory infections, increases the chances of developing conditions like asthma, eczema, or allergies. Out of over 1.3 million children studied, only 1,192 (about 0.09%) received palivizumab. The findings showed a slightly higher risk of asthma in all children, but no increased risk for eczema or allergies, and further analysis indicated that palivizumab did not increase asthma risk in preterm children.
Who this helps: This information is valuable for parents and doctors considering treatment options for high-risk children.
A multicenter randomized trial comparing the effectiveness and safety of a novel vascular closure device to manual compression in anticoagulated patients undergoing percutaneous transfemoral procedures: The CELT ACD trial.
2017
Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions
Wong SC, Laule M, Turi Z, Sanad W, Crowley J +4 more
Plain English This study looked at how well a new device called Celt ACD works to stop bleeding in patients who are on blood thinners after heart procedures compared to using manual pressure. The research included 207 patients, and it found that those using the Celt ACD device stopped bleeding in less than a minute, while those using manual pressure took about 8 minutes. Both methods had similar rates of complications after 30 days, with very few issues occurring.
Who this helps: This benefits patients undergoing heart procedures who need quick and effective care to manage bleeding.
Characteristics of hospitalizations for cardiogenic shock after acute myocardial infarction in the United States.
2017
International journal of cardiology
Krishnan U, Brejt JA, Schulman-Marcus J, Swaminathan RV, Feldman DN +9 more
Plain English This study looked at how hospitalizations for serious heart problems (called cardiogenic shock) after a heart attack have changed in the U.S. between 2005 and 2012. Researchers found that while the overall death rates remained mostly the same—30% in 2005-2006 and 27.8% in 2011-2012—there was a notable increase in the number of high-risk patients, especially those who needed more urgent care. This means that although treatments like early heart revascularization are more common and survival chances have improved for some, the growing number of very sick patients has made it harder to see a drop in death rates.
Who this helps: This information benefits doctors and hospitals by highlighting the challenges they face with increasingly complex patient cases.
The CLOSER trial: a multi-center study on the clinical safety and effectiveness of CloserVSS, a novel resorbable transfemoral vascular access sealing system.
2017
Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions
Wong SC, Gammon R, Bachinsky W, O'Shaughnessy C, Leimbach W +5 more
Plain English The CLOSER trial studied a new device called the Closer Vascular Sealing System (VSS) used to seal blood vessels after certain medical procedures. The results showed that in 220 patients, the device worked well, achieving immediate hemostasis (stopping bleeding) in 80.5% of cases, with no major complications reported, and only a 2.75% rate of minor complications in interventional procedures. This matters because it indicates that the Closer VSS is safe and effective for quickly sealing vascular access sites, improving patient recovery times.
Who this helps: Patients undergoing transfemoral procedures.
Quality of Patient Information Websites About Congenital Heart Defects: Mixed-Methods Study of Perspectives Among Individuals With Experience of a Prenatal Diagnosis.
2017
Interactive journal of medical research
Carlsson T, Melander Marttala U, Wadensten B, Bergman G, Axelsson O +1 more
Plain English This study looked at the quality of websites providing information about congenital heart defects for parents who received a prenatal diagnosis of such a condition. Out of 80 websites reviewed, only 10 offered relevant information, and the overall quality of these sites was rated low to moderate, with an average score of 2 out of 5 for treatment options and 3 for other factors like appearance and usability. This matters because expectant parents need reliable, clear information to make informed choices about their baby's health, yet the existing resources largely fail to meet their needs.
Who this helps: This helps expectant parents facing a prenatal diagnosis of congenital heart defects.
Experiences of termination of pregnancy for a fetal anomaly: A qualitative study of virtual community messages.
2016
Midwifery
Carlsson T, Bergman G, Karlsson AM, Wadensten B, Mattsson E
Plain English This study looked at messages from people in Swedish online communities who talked about their experiences of ending a pregnancy because of a fetal abnormality. Researchers analyzed 1,623 messages from 122 individuals and found that most were women who faced emotional turmoil, physical pain, and difficult decisions before, during, and after the procedure. The study highlights the need for better support, including information and compassionate care, to help these women cope with their loss and concerns about future pregnancies.
Who this helps: This helps patients and healthcare providers by emphasizing the importance of emotional and informational support during such difficult times.
Atrial Septal Defect Closure for Right-to-Left Shunting Following a MitraClip Repair.
2016
The Journal of invasive cardiology
Al'Aref SJ, Bergman G, Wong SC
Plain English This study looked at a procedure called MitraClip, which helps fix a leaky heart valve in older patients who can't have traditional surgery. After the procedure, one elderly woman developed a problem that caused her blood to flow in the wrong direction, leading to low oxygen levels. Doctors quickly performed another procedure to fix this issue, and her oxygen levels improved right away.
Who this helps: This benefits elderly patients with heart valve issues who are at high risk for surgery.
Transapical transcatheter aortic valve replacement in patients with or without prior coronary artery bypass graft operation.
2016
Journal of cardiothoracic surgery
Voudris KV, Wong SC, Kaple R, Kampaktsis PN, de Biasi AR +11 more
Plain English This study looked at 126 elderly patients (average age 86) who underwent a heart valve replacement procedure called TA-TAVR, comparing those with prior heart surgery (coronary artery bypass grafting or CABG) to those without. They found that despite the CABG patients having more severe health issues and a higher risk profile, their survival rates after 6 months and 1 year were similar to those without CABG, at 81.8% and 77.8%, respectively. This is important because it shows that patients with a history of CABG can safely undergo this heart procedure without worse outcomes.
Who this helps: This research benefits patients with a history of coronary artery bypass surgery who need a heart valve replacement.
Involvement of persons with lived experience of a prenatal diagnosis of congenital heart defect: an explorative study to gain insights into perspectives on future research.
2016
Research involvement and engagement
Carlsson T, Marttala UM, Wadensten B, Bergman G, Mattsson E
Plain English This study looked at how parents and individuals affected by the diagnosis of congenital heart defects in fetuses feel and what support they think is necessary. Participants expressed the need for more written information, follow-up appointments with healthcare providers, and emotional support from those who have had similar experiences. These findings highlight the importance of creating better support systems for families facing this challenging situation.
Who this helps: This helps pregnant women and their partners dealing with a prenatal congenital heart defect diagnosis.
Dmitriy N Feldman Luke K Kim S Chiu Wong Robert M Minutello Harsimran S Singh Netanel Shpigel Sven-Erik Sonesson Rajesh V Swaminathan Marie Wahren-Herlenius Jim W Cheung
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