DR. JAMES T. KERRIGAN, M.D.

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This research paper looks at problems that can happen during a medical procedure called percutaneous coronary intervention (PCI), which is used to treat heart issues. The authors reviewed studies from early 2023 to mid-2024 and found that timely diagnosis and treatment of complications like tearing of blood vessels, failure of blood flow, and equipment stuck in the heart are crucial for better recovery. Understanding these complications helps improve patient care and outcomes after heart procedures. Who this helps: This benefits patients undergoing heart treatments and the doctors who care for them.

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This study looked at how men and women respond differently in car accidents, specifically during reclined frontal impact tests. Researchers used data from crash tests on both male and female subjects to see if they could predict female responses based on male data. They found that while some predictions were accurate, like the force on lap belts, differences between men and women couldn't be fully explained just by body size or shape. Who this helps: This research benefits safety engineers and car manufacturers seeking to improve vehicle safety for all passengers, especially women.

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This study looked at how effective two different treatments are for patients with severe heart problems related to poor blood flow. It compared percutaneous coronary intervention (a procedure to open blocked heart arteries) combined with medical therapy against just medical therapy alone in over 700 patients. The findings showed no significant difference in survival or hospitalizations between the two groups after about 3.5 years, indicating that the intervention doesn’t provide extra benefits in improving health compared to just using medication. However, another earlier study showed that a different surgical approach, coronary artery bypass grafting (CABG), did lead to better outcomes in the long run. Who this helps: This information benefits patients with severe heart conditions and their doctors by highlighting the importance of focusing on effective medication management.

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This study looked into how using deceased human bodies in injury prevention research, especially for testing airbag safety, can be done ethically. It found that getting proper consent from donors is essential and that this type of testing has helped identify injury risks that regular crash test dummies cannot, improving safety measures significantly. The research highlighted the need for strict guidelines to ensure this work meets ethical standards. Who this helps: This benefits researchers and safety engineers working on car safety technologies.

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This study looked at how a harmful beetle and its associated fungus affect sassafras and redbay trees in the Carolinas. Researchers found that the beetle attacks were mostly concentrated on the south side of sassafras trees, and redbay trees experienced a higher average number of beetles emerging compared to sassafras—specifically, the emergence rate was greater in redbay. Understanding these patterns is important because they can help predict how this invasive species will spread and impact local ecosystems. Who this helps: This research benefits ecologists and forest managers working to protect affected tree species.

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This study focused on understanding the genetic diversity and fungicide sensitivity of a peach tree pathogen associated with premature peach decline in South Carolina. Researchers identified six different genetic types of the pathogen, with three (G2, G3, and G6) being most common across orchards. They found that while all types responded well to one specific fungicide, some were less sensitive to others, which could help farmers choose better treatments to manage this disease. Who this helps: This benefits peach farmers and agricultural professionals seeking effective ways to combat peach tree disease.

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This study looked at the practice of discharging patients the same day they undergo a specific heart procedure called coronary intervention, comparing those who went home the same day to those who stayed overnight. Out of over 7,000 patients, 13% were discharged the same day, a rate that rose from 3% in 2015 to 21% in 2022. Patients who were discharged on the same day had fewer health issues and experienced fewer serious complications while in the hospital, making this approach potentially safer for selected patients. Who this helps: This benefits patients who undergo chronic total occlusion heart procedures by allowing them to recover at home sooner.

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This study looks at how targeting a specific protein called Nav1.7 could help relieve chronic pain. Researchers found that changes in the Nav1.7 protein can make some people unable to feel pain, which suggests that reducing its activity might be effective for pain relief. This is important because the current pain treatments often lead to issues like the opioid crisis, and focusing on Nav1.7 may provide safer alternatives. Who this helps: This helps patients suffering from chronic pain.

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This study looked at how adding weight on top of the spine affects its movement and stiffness when bending forward and backward. Researchers tested seven human spinal samples and found that, while the spine is generally stiffer when bending backward, this stiffness decreases with added weight. It also showed that in bending forward without extra weight, most of the movement occurs in the lower spine, but with weight, the movement is spread out more evenly across the spine. Who this helps: This research is beneficial for doctors and engineers developing better safety models for car crashes and spine health assessments.

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This study explored how different seating positions and belt angles affect the safety of seat belts for people with higher body weights. Researchers found that the way the lap belt interacts with a person’s body depends significantly on how the person is sitting and the angle of the belt, with factors like body shape causing differences in safety outcomes. For example, the lap belt may not fit correctly, leading to a higher risk of injuries in crashes. Who this helps: This helps patients with higher body weights who use seat belts in vehicles.

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This study looked at how the spines of adult women and men respond to car crashes while sitting in a reclined position. Researchers tested seven deceased individuals—three women and four men—and found that both groups displayed similar spine movements and injury patterns during simulated frontal impacts at 50 kilometers per hour. Specifically, one woman and two men suffered fractures in their spines, with the injuries occurring at nearly the same time during the crash. Who this helps: This information helps car safety engineers design better restraint systems to protect all passengers, regardless of gender.

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This study focused on the process of vascular access in complex heart procedures, where specialists need to enter blood vessels to perform treatments. Researchers reviewed different methods to improve how these procedures are carried out, emphasizing that careful planning and using the right techniques can lead to better outcomes and fewer complications. For example, when doctors use ultrasound to guide their access, they can greatly reduce the chances of problems during the procedure. Who this helps: This benefits patients undergoing complex heart procedures and the doctors performing them.

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This study looked at how the activated clotting time (ACT) affects outcomes for patients undergoing a specific heart procedure known as chronic total occlusion percutaneous coronary intervention (CTO PCI). Researchers analyzed data from 4,377 patients and found that those with very low (under 200 seconds) or very high (over 400 seconds) ACT levels faced more complications, including a 2.06 times higher risk of serious adverse events, compared to those with ACT levels between 200 to 400 seconds. Understanding these ACT levels can help doctors improve patient safety during this procedure by targeting optimal clotting times. Who this helps: This helps patients undergoing CTO PCI and their doctors.

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This study looked at whether performing coronary angiography (CAG) right after out-of-hospital cardiac arrest (OHCA) without ST-segment elevation helps patients more than doing the procedure later. Researchers analyzed data from 6 trials with 1,822 patients and found no significant difference in survival rates after 30 days between those who had early CAG and those who had it delayed (around 1 in every 100 was affected). Because of these findings, it seems unlikely that new medical guidelines will recommend performing early angiography for these patients. Who this helps: This helps doctors and patients by clarifying the best timing for treatment after a cardiac arrest.

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This study looked at the success of a specific technique used in heart procedures, called primary retrograde strategy, for patients with blocked arteries over a ten-year period. Out of over 10,000 procedures, this technique was used in about 1,300 cases, showing an initial success rate of 66% and a final success rate of 83%. The key finding was that having interventional collaterals, or alternate blood routes, significantly increased the chances of a successful procedure. Who this helps: This benefits patients undergoing complex heart procedures, particularly those with chronic total occlusions.

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This study compared two types of devices used to close blood vessels after heart valve surgery—one using a collagen plug (MANTA) and the other using stitches (suture-based devices). Researchers looked at data from 11 studies involving 3,123 patients and found that the plug-based device led to a shorter hospital stay and a lower chance of the device failing, without increasing the risk of complications or death. This is important because it could lead to faster recovery times for patients undergoing these procedures. Who this helps: Patients undergoing transcatheter aortic valve replacement.

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This study looked at how doctors access the heart during a specific procedure known as chronic total occlusion percutaneous coronary intervention (CTO PCI), comparing two methods: radial access (through the wrist) and femoral access (through the thigh). Of nearly 11,000 patients from multiple countries, 24% had the radial approach, which was mostly used by younger men with fewer health issues. The findings showed that using radial access resulted in fewer complications at the access site and had similar success rates as the traditional femoral method. Who this helps: Patients undergoing heart procedures who might benefit from a safer access method.

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This study looked at two methods for treating blocked arteries in patients who have chronic total occlusion (CTO) when initial attempts to open the artery failed. Researchers compared 1,725 procedures where one method was parallel wiring and the other was antegrade dissection and re-entry (ADR). They found that while ADR had a slightly higher technical success rate (78% vs. 75%) and showed more serious complications (3.7% vs. 1.9%), it involved longer procedures and more complex equipment use. Who this helps: This research aids doctors making decisions about the best approach for patients with challenging heart blockages.

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This research looks at different treatments for pulmonary embolism (PE), a serious condition caused by blood clots in the lungs. It finds that catheter-directed thrombolysis (CDT) has become a preferred option for patients with a moderate risk of complications, reducing the need for more invasive surgery. The increase in CDT usage is particularly noted during the COVID-19 pandemic when more patients were hospitalized with PE. Who this helps: This benefits patients suffering from pulmonary embolism, especially those who are at intermediate risk and cannot safely use traditional clot-dissolving medications.

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This study focused on using advanced computer techniques to predict how the human body reacts during safety tests, like seatbelt designs. Researchers tested various methods and found that the best approach was using an ensemble method, which performed better than others like LASSO and neural networks in making accurate predictions. This is important because accurate predictions can lead to safer designs that better protect people in crashes. Who this helps: This helps engineers and designers working on safety features in vehicles.

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This study examined the use of two types of anesthesia—general anesthesia (GA) and monitored anesthesia care (MAC)—in patients undergoing a heart valve replacement procedure called transcatheter aortic valve replacement (TAVR). Researchers found that MAC led to quicker procedures (approximately 96.9 minutes compared to 135 minutes with GA), reduced hospital stays (2 days versus 3 days for GA patients), and lower mortality within 30 days (0.5% for MAC compared to 2.9% for GA). These findings are important because they highlight that MAC can make the procedure more efficient and safer for patients. Who this helps: This benefits patients undergoing TAVR, as well as their doctors.

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This study looked at how to improve safety features in cars for people with obesity compared to those with a normal body weight during frontal crashes. Researchers found that while many safety features were similar, the design for heavier occupants included an airbag under the seat that helped protect their legs and lower back, reducing injury risks. These optimized designs can significantly enhance safety for obese passengers, making cars safer for everyone. Who this helps: This helps patients with obesity and automotive safety designers.

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Researchers studied a smut fungus that is making it difficult to restore wiregrass in longleaf pine-grassland areas across three states in the southeastern USA. They found that this fungus is a new species that is different from others because its spores are not packed together and have distinct features. This discovery is important because it helps understand the challenges in restoring these ecosystems and may lead to better strategies for conservation efforts. Who this helps: This benefits conservationists and ecologists working on ecosystem restoration.

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This study looked at the injuries of people involved in frontal car crashes, focusing on how body weight (measured by BMI) affected the types of injuries sustained. Researchers analyzed over 13,000 cases and found that people with obesity faced a higher risk of injuries to their arms (4.79% vs. 2.92%), legs (8.37% vs. 3.23%), and spine (1.53% vs. 1.09%) compared to those with normal weight. This matters because understanding the unique injury patterns in people with obesity can help improve car safety designs, like seat belts, to better protect these individuals in accidents. Who this helps: This benefits patients with obesity and car safety engineers.

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This study looked at how well various vehicle safety features, like pre-pretensioned seat belts and cushioned seats, help people of different ages stay stable during sudden swerving maneuvers that can happen before a crash. The researchers found that using a pre-pretensioned seat belt reduced head movement by 34% and trunk movement by 45%, compared to no pre-tensioning, which suggests this feature can significantly improve safety. However, the inflated seat bolsters were less effective at providing support, with only modest reductions in movement. Who this helps: This benefits drivers and passengers, especially children and young adults, by potentially reducing injury risk during car accidents.

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Researchers studied how different age groups—children (ages 10-12), teens (ages 13-17), and young adults (ages 21-33)—move inside a car during sudden swerving maneuvers. They found that children moved their heads and trunks more than teens and adults but had similar muscle responses when swerving into the seat belt. However, when swerving away from the seat belt, children showed increased muscle activity but movement patterns similar to older individuals. Understanding these differences helps improve safety measures in cars for young passengers. Who this helps: This helps improve safety for child passengers in cars.

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This study looked at how leaning to one side before a car crash affects how a person is protected in that crash. Researchers found that when a person leaned inboard, their shoulder was 105-156 mm farther from the seatbelt anchor and their head moved 45-70 mm farther forward, increasing the risk of a head strike by up to 1.54 m/s relative to the car's interior. This is important because it shows that how a person is positioned before a crash can impact their safety, making them more likely to get injured. Who this helps: This helps drivers and passengers understand the risks of leaning in their seats before a crash.

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This study looked at how different measurements of body size and shape (called anthropometry metrics) affect predictions of injury tolerance when scaling results from one person to another, particularly between men and women. Researchers found that using average male data to predict ankle injury for smaller women led to significantly different results compared to actual measurements from women, highlighting that the choice of scale factor can greatly change injury predictions. This matters because it shows that using the wrong metrics can lead to faulty estimates of injury risk, which could affect safety standards and medical care. Who this helps: This benefits patients, particularly women and smaller individuals, as it can lead to more accurate assessments of injury risk.

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This study examined how people’s spines move and the types of injuries they can suffer during car crashes when sitting in a reclined position. Researchers tested five adult male bodies in a simulated frontal crash at about 50 kph, finding that three of them experienced fractures in the lower back (specifically at the L1 vertebra). The results showed that different seating postures can greatly affect how the spine behaves in a crash, influencing the risk of injury. Who this helps: This research benefits car manufacturers and safety designers by highlighting the need for improved seatbelt and seat designs for reclined positions.

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This study looked at how different types of emergency braking—automated (AEB) and manual (MEB)—affect how people, especially those sitting in the back seats of cars, move during a potential crash. Researchers found that when manual braking was used, there was greater movement of the head and trunk compared to automated braking, which could increase the risk of injury. Specifically, peak head and trunk movements were larger with manual braking, highlighting that automated systems may better protect people by reducing their motion during emergencies. Who this helps: This benefits rear-seat passengers, including both adults and children, by potentially lowering their risk of injury in car crashes.

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This study looked at how children aged 6 to 8 in booster seats move in a car during different emergency driving situations, like sudden braking and swerving. The researchers found that during manual emergency braking, children's heads moved at speeds up to 123.7 cm/s, and their trunks up to 77.6 cm/s, which were much higher compared to automated braking. Understanding how booster seats interact with children's movements can help improve safety measures for young passengers in vehicles. Who this helps: This research benefits parents and car safety experts focusing on child passenger safety.

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The study looked at what affects the outcomes for older cats and dogs in animal shelters, focusing on 124 cats and 122 dogs over seven years old. It found that addressing the reasons why these animals are given up and providing better medical or behavioral care can help more of them find homes alive. This is important because it shows that with the right support, shelters can improve the lives of older pets instead of resorting to euthanasia. Who this helps: This helps older pets and the shelters caring for them.

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This study looked at whether skipping a step called balloon predilation (BPD) during a heart procedure known as transcatheter aortic valve implantation (TAVI) affects patient outcomes. The researchers analyzed data from 21 studies involving over 10,700 patients and found that avoiding BPD did not lead to more deaths, strokes, or serious kidney issues. Instead, it resulted in fewer complications, such as a decrease in the need for pacemakers (14% less), fewer vascular problems (23% less), and better early safety rates (19% less) within the first 30 days after the procedure. Who this helps: This benefits patients undergoing TAVI by reducing the risks of complications.

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This study looked at levels of cardiac troponins, which are proteins that indicate heart damage, in patients with serious health issues not related to heart problems. They found that while only 0-2% of patients in community or maternity settings had high troponin levels, many patients in medical and surgical wards did, showing that even non-cardiac illnesses can cause elevated troponin levels. High troponin levels, even when not caused by a heart attack, were linked to a higher risk of dying. Who this helps: This helps doctors better understand how to interpret troponin levels in patients with various health conditions.

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This study looked at the consistency of vehicle crash tests, focusing on a specific type of test called the Dynamic Rollover Test System (DRoTS) and comparing it to other crash tests. Researchers found that most of the measurements from DRoTS showed good repeatability, meaning they produced similar results every time they were tested. Specifically, the tests had a repeatability score comparable to or better than other crash tests, with "excellent" repeatability for some measures, making it a reliable method for assessing vehicle safety. Who this helps: This benefits vehicle manufacturers, safety regulators, and consumers looking for reliable information on car safety.

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This study looked at how Hurricane Sandy affected the mental health of older adults (60 and over) living in impacted areas. It found that 14% of these adults showed signs of significant depression, with younger older adults (60-74 years) being more affected by storm-related stressors like personal injury and crime than older older adults (75+ years), who mainly struggled with losing access to medical care. Understanding these impacts helps tailor support for mental health needs specific to age groups in disaster-affected communities. Who this helps: This helps older adults recovering from natural disasters and the professionals supporting them.

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This study looked at the relationship between kidney function and certain heart-related blood markers in people who don’t need dialysis. Researchers found that as kidney function declined, levels of cardiac markers like troponin and NT-proBNP increased for both men and women. Notably, women with the lowest kidney function had a higher risk of death, indicating that monitoring these heart markers could be important for patients with impaired kidney function. Who this helps: This helps doctors in treating patients with kidney impairment.

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This study looked at a new method to fight a tough infection called Pseudomonas aeruginosa, which is becoming resistant to many antibiotics. Researchers developed a strong new inhibitor that targets an enzyme crucial for the bacteria's survival, showing promising results in lab tests by maintaining effectiveness against the bacteria while being less harmful to human cells. This matters because it offers hope for new treatment options for infections that are hard to treat due to antibiotic resistance. Who this helps: Patients with drug-resistant infections.

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This study explored rare gene mutations that drive pancreatic cancer, particularly focusing on a gene called NAD Kinase (NADK). Researchers found that a mutant form of NADK enhances cancer cell growth and reduces harmful oxygen levels in cells. Identifying and understanding these rare mutations could lead to new treatments for pancreatic cancer. Who this helps: This benefits patients with pancreatic cancer and their doctors by providing potential new treatment options.

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This study looked at how consistently a specific rollover crash testing system, called Dynamic Rollover Test System (DRoTS), operates when simulating vehicle crashes. The researchers conducted four tests using two types of vehicles and found that the conditions of the crashes repeated well, with the biggest difference being a drop height variance of just 20 millimeters. These findings matter because consistent testing is crucial for understanding how vehicle roofs perform in rollover accidents, which helps in assessing and improving vehicle safety to reduce injury risks in real-world crashes. Who this helps: This helps vehicle manufacturers and safety regulators.

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The study focused on a protein called BMI-1 that plays a role in the survival of cancer stem cells in prostate cancer. Researchers found that blocking BMI-1 significantly reduced the growth of these tumor-initiating cells, leading to less tumor formation in lab studies and animal models. This is important because it offers a new way to target tough-to-treat cancer cells, making prostate cancer treatments more effective. Who this helps: This helps patients with prostate cancer by offering new treatment options.

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This study looked at how a computer model of a person (the THUMS model) behaved during simulated car rollovers and compared its movements to those of real human bodies used in crash tests. Researchers ran 12 different simulations and found that while the THUMS model matched some movements, like how the body shifted forward and upward, it showed a significantly different side-to-side movement compared to the real human tests, with an overall accuracy score of 0.63. Understanding these differences is important because they could affect how injuries are predicted in real rollover accidents, leading to better safety measures and vehicle designs. Who this helps: This helps car safety engineers and manufacturers in designing safer vehicles.

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This study looked at how different methods of measuring traumatic brain injuries (TBIs) from vehicle-pedestrian collisions compare to each other. Researchers found that all the common metrics are positively related and that just two main factors can explain about 72.5% of the variations seen in collision tests. This is important because it highlights that despite the many ways injuries can be measured, only a few key factors are needed, which can simplify future research and improve injury assessment methods. Who this helps: This benefits researchers and medical professionals who assess brain injuries after accidents.

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This study looked at a specific variant of a gene called ACOX2 in breast cancer, particularly focusing on how its expression differs in estrogen receptor (ER) positive versus ER negative tumors. Researchers found that this gene variant, ACOX2-i9, is more commonly expressed in ER positive breast cancers and is linked to better survival outcomes for patients—89% of ER positive patients with high levels of ACOX2-i9 are expected to survive, compared to less than half of those with low levels. This discovery could help doctors identify which ER positive patients might have a better prognosis and explore new treatment options targeting this gene variant. Who this helps: Patients with estrogen receptor positive breast cancer.

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This study looked at how different types of rollovers in car crashes affect the severity of injuries to passengers. It found that when a rollover is not the most severe event in a crash, the risk of injury is much higher than in rollovers where the vehicle rolls over by itself. Specifically, injuries in these non-primary rollovers are more frequent than in single vehicle rollovers without any additional impacts, especially when there's only one roof inversion. This information helps researchers and safety experts create better strategies to reduce injuries in rollover accidents. Who this helps: This helps patients and safety advocates working to improve car safety.