SEAN JANZER, MD

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This study looked at how combining carbon dioxide angiography with optical coherence tomography (OCT) could help patients with chronic kidney disease who have severe blockages in their leg arteries. The research found that this method not only reduced the use of contrast agents but also lowered the time and radiation exposure during procedures, resulting in less risk for patients. Specifically, the average fluoroscopy time was reduced by 10 minutes, and radiation exposure decreased by 32 mGY, while only two adverse events occurred, showing this approach is safe and effective. Who this helps: This benefits patients with chronic kidney disease who are undergoing treatments for peripheral artery disease.

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This study looked at how 3D printing can help doctors prepare for procedures on the mesenteric artery, which supplies blood to the intestines. Researchers created 3D models of artery anatomy for five patients, including those who had severe blockages, and found that these models improved planning and understanding of each patient's unique situation. The use of 3D printing could lead to better outcomes by reducing the need for contrast dye and radiation, making procedures safer and more efficient. Who this helps: This benefits patients undergoing mesenteric artery interventions and the doctors performing these procedures.

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This study examined how using 3D printing to create models of the subclavian artery can help doctors plan procedures involving this artery. Researchers looked at five patients and found that 3D-printed models provided clear visualizations of complicated artery shapes and conditions. This approach can lead to better access for medical devices during the procedure, reduced use of contrast material, and faster procedures, ultimately improving efficiency and lowering costs. Who this helps: This helps patients undergoing vascular procedures and the doctors performing them.

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This study looked at using robotic technology to help doctors perform heart procedures on a patient suspected of having COVID-19. By using robots, the medical team reduced their exposure to the virus and used less protective gear during the procedure. This is important because it allows healthcare workers to safely care for patients with COVID-19 while still providing critical treatments. Who this helps: This helps both patients with COVID-19 and the healthcare workers treating them.

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This study looked at a new treatment called Intravascular Lithotripsy to address the problem of severely calcified arteries that cause stents to not expand properly. Researchers found that this method can effectively break down the hard calcium deposits, which often leads to more successful stent expansions than traditional treatments. Improved stent expansion can lead to better blood flow and fewer complications for patients with this condition. Who this helps: This helps patients with severely calcified arteries who need stent treatment.

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This research compared two methods for accessing blood vessels in the arm during heart procedures: transulnar access (TUA) and transradial access (TRA). In a review of seven studies involving over 5,700 patients, both methods showed similar safety and effectiveness in terms of major health events, complications, and time needed for procedures. However, patients using TUA experienced significantly less local bleeding (4.9%) than those using TRA (8.5%). Who this helps: This research benefits patients undergoing heart procedures by offering a safer access option.

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This study looked at a specific technique called Double Kiss crush (DK crush) stenting to treat a severe form of leg artery disease known as critical limb ischemia in patients who had blockages in more than one tibial artery. The researchers found that using this technique on patients with chronic total occlusions in their tibial arteries led to better outcomes compared to more traditional stenting methods, although they did not provide specific success rates or numbers in the abstract. This is important because it offers a promising new approach to treating a serious condition that can lead to amputations and improve patients' chances of maintaining their limbs. Who this helps: This helps patients with severe leg artery disease, especially those facing amputations.

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This study looked at the characteristics of blocked arteries in the legs, specifically chronic total occlusions (CTOs), to see how these features relate to patient outcomes after treatment. Researchers found that all 19 blocked arteries could be treated successfully, but 79% of those patients needed further procedures within six months. Importantly, they discovered that higher amounts of certain tissue types (like adventitial tissue and thrombus) and longer lesions were linked to a higher chance of needing additional procedures. Who this helps: This research benefits patients with leg artery blockages by improving understanding of their treatment outcomes.

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This study looked at how 3D printing can be used to create detailed models of complex coronary artery bypass graft (CABG) patients to improve surgical planning and procedures. Researchers printed accurate models from scans of five patients and found that these models helped identify complicated vascular structures and issues, enabling better preparation for surgery. This is important because it can lead to more successful outcomes during coronary interventions by helping doctors visualize and plan for unique patient anatomies. Who this helps: This benefits patients undergoing coronary artery surgery and the doctors performing these procedures.

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This study looked at how using 3D printing of the carotid artery and aortic arch can help doctors plan better for a procedure called carotid artery stenting (CAS). Out of six cases analyzed, those who had simple angles in their arteries and straight landing zones for the device were more likely to have successful procedures. Specifically, five of those cases had successful first attempts with easier artery shapes, while one case had complications due to a difficult artery structure. Who this helps: This benefits doctors by improving their ability to plan for procedures and reduce complications for patients undergoing carotid artery stenting.

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This study looked at using 3D printing to create models of renal (kidney) arteries to help plan procedures for patients with kidney artery issues. Researchers successfully printed models for five patients, showing that 3D-printed models can accurately represent different types of kidney artery problems, which may improve planning and execution of interventions by providing clearer anatomical details. This approach potentially reduces the use of harmful contrast dye and minimizes the time needed for procedures. Who this helps: Patients with kidney artery diseases and doctors performing their treatments.

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This study looked at a new way to treat severe blockages in leg arteries when previous stents become obstructed. By using a special technique, doctors were able to insert new, strong stents that helped push through the blocked area, improving blood flow. This approach showed promise in successfully treating patients who had previously difficult-to-treat artery blockages. Who this helps: This helps patients with severe leg artery blockages, especially those with previous stents that have failed.

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This study looked at a new method to stop bleeding after procedures on the leg arteries for patients with peripheral artery disease (PAD). Researchers tested a device called the RadAR band on 20 patients and found that it successfully controlled bleeding in all cases, and patients showed a significant improvement in blood flow, with their ankle-brachial index (ABI) increasing from an average of 0.59 to 0.88. This matters because effective hemostasis can improve patient safety and outcomes during complex vascular procedures. Who this helps: This helps patients with peripheral artery disease undergoing leg artery procedures.

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This research focused on treating a blockage in the superior mesenteric artery, which can cause serious health issues like chronic pain and digestive problems. The treatment was attempted twice; on the second try, doctors successfully opened up the artery using a special technique involving a new device called the Stingray Reentry balloon, along with stents to keep the artery open. This is important because it shows a promising way to improve blood flow and relieve symptoms for patients suffering from severe artery blockages. Who this helps: This helps patients with chronic mesenteric ischemia due to artery blockages.

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This study looked at using a robotic system to help doctors perform a procedure called balloon angioplasty and stent placement in a patient with severe narrowing of the carotid artery, which can lead to serious health problems. The researchers found that using the robotic system made the procedure smoother and more precise, reducing the need for constant hand movements and minimizing radiation exposure. This matters because it offers a safer option for patients who are at high risk for traditional surgery. Who this helps: Patients with severe carotid artery issues and high surgical risks.

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This study looked at patients with borderline fractional flow reserve (FFR) measurements between 0.80 and 0.85, which indicates a potentially risky condition in coronary arteries. Researchers analyzed data from 196 patients to see if using imaging techniques, like ultrasounds or stress tests, during interventions led to better outcomes. They found that 20.8% of those who had interventions without imaging experienced major complications compared to 17.5% with imaging, although these differences weren't statistically significant. Who this helps: This benefits patients with borderline coronary lesions by providing insights into the potential advantages of imaging during treatment.

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This study looked at a new method called the FACTOR score and algorithm to help doctors treat patients with blocked arteries in the thigh, a condition that is often hard to fix. They reviewed data from 150 patients and found that this approach led to successful treatment in 143 cases, which is 95%. When doctors used additional techniques, success rates increased to 85%, showing that a structured approach can significantly improve outcomes for patients with these severe blockages. Who this helps: This helps patients suffering from chronic leg artery blockages.

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This study looked at how well a portable device called the digital ankle-brachial index (ABI) detects peripheral arterial disease (PAD) in patients showing symptoms. Researchers found that the digital ABI correctly identified PAD 84% of the time, making it a reliable screening tool. This matters because it offers a quick and cost-effective way for doctors to diagnose PAD without needing more invasive procedures. Who this helps: This benefits patients with symptoms of PAD by providing easier access to diagnostic testing.

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This study looked at why some patients return to the hospital within 90 days after being treated for spontaneous coronary artery dissection (SCAD), a serious heart condition. Out of over 11,000 patients with SCAD, about 22% were readmitted within 90 days, with common reasons including heart issues and breathing problems. Understanding these reasons and risk factors, like having high blood pressure or other heart diseases, is important because it can help doctors better manage patients and possibly prevent readmissions. Who this helps: This helps patients and doctors in managing heart health and reducing hospital visits.

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This study looked at the success of a procedure called directional atherectomy to treat blockages in the popliteal artery, which is important for blood flow to the legs. Researchers followed 158 patients for a year and found that the procedure worked well; about 75% of patients still had open arteries after a year, and none of the patients required major leg amputations. Additionally, patients reported improvements in their ability to walk and overall quality of life after the treatment. Who this helps: This research benefits patients with leg artery blockages, especially those at risk of severe complications.

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This study looked at the performance of the Supera stent used to treat blocked arteries in the legs. Researchers found that when the stent was deployed with moderate compression, it had the best outcomes: 85.2% of the stents remained open without blockage after 15 months, and only 14.8% of patients needed another procedure. In contrast, stents that were elongated saw much worse results, with only 64.7% remaining open. Who this helps: This benefits patients with leg artery blockages by offering insights into the best way to use Supera stents for improved treatment results.

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This study looked at patients in the U.S. who received a specific heart device called a percutaneous ventricular assist device (pVAD) to support their heart during serious medical situations. Out of over 7,000 patients observed, 22% were readmitted to the hospital within 90 days, with heart failure and coronary issues being the main reasons for readmission. Understanding these patterns helps doctors better manage patient care after using pVADs and improve discharge planning. Who this helps: This helps patients who receive pVADs and their healthcare providers.

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This study looked at how the timing of a medical procedure called revascularization affects patients with unstable angina and non-ST-segment elevation myocardial infarction. Researchers found that performing revascularization early led to a slightly lower risk of heart attacks (13.3% with early care vs. 15.1% with late care) and a higher rate of bypass surgeries (4.9% vs. 3.7%), although overall mortality rates were similar between the two strategies. These findings are important because they indicate that the timing of treatment may vary in effectiveness depending on the approach used by doctors in different regions. Who this helps: This information helps doctors and patients in making informed decisions about heart attack treatments.

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This study looked at ways to improve the success of a complicated heart procedure called coronary chronic total occlusion (CTO) intervention, which helps open blocked arteries. It found that using special tools, like ultrasound and lasers, can increase success rates or give better information about the blockage. This is important because it means more patients may benefit from effective treatments for heart disease, leading to better health outcomes. Who this helps: Patients with heart blockages.

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This study focused on a patient with severe artery blockages in the aorta and coronary arteries. The researchers successfully treated the patient using a non-surgical method called endovascular stenting, which is less risky for patients who may not tolerate major surgery well. This approach is important because it offers a safer option for treating complex vascular problems. Who this helps: This helps patients with severe vascular diseases who are at high risk for surgery.

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This study examined different techniques and devices used to treat blocked arteries in the leg, specifically focusing on a condition called chronic total occlusion (CTO). The researchers looked at various methods to navigate these blockages and found that new tools and techniques can make these procedures safer and more effective. This matters because it offers patients with severe leg artery blockages an alternative to more invasive surgery. Who this helps: Patients with chronic total occlusions in their leg arteries.

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This study looked at the occurrence of stroke in patients diagnosed with Takotsubo cardiomyopathy (TTS), a condition often triggered by stress and primarily affecting postmenopausal women. Out of 206 patients, 7% experienced a stroke during their hospital stay, and the study found that being African American and having high blood pressure raised the risk of stroke. This is important because it helps identify at-risk patients who may need closer monitoring and specific treatments to prevent strokes. Who this helps: This helps patients, particularly African American women and those with high blood pressure.

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This study looked at a 51-year-old man with a large blood clot measuring 7.5 by 1.5 centimeters in his inferior vena cava, which is the large vein that carries blood to the heart. The researchers used a special device called AngioVac to remove the clot without major surgery, as traditional surgery was too risky. This approach could be important for treating patients with large blood clots safely and effectively. Who this helps: This helps patients with large, dangerous blood clots who may not be candidates for traditional surgery.

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This study tested a new device called the Ocelot catheter, which uses advanced imaging technology to help doctors successfully open blocked arteries in the legs. Out of 33 patients with nearly complete blockages in their superficial femoral arteries, the Ocelot was able to successfully navigate and open 94% of these blockages without any major safety issues. Using the Ocelot also reduced the procedure time and the amount of contrast dye needed, making the process safer and more efficient for patients. Who this helps: This benefits patients with blocked arteries in their legs and their doctors.

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This study looked at how a part of the immune system, called the complement system, is activated in people with age-related macular degeneration (AMD), which is a major cause of vision loss in older adults. Researchers tested blood samples from 112 AMD patients and 67 healthy controls and found significantly higher levels of specific markers of immune activation in the AMD group, especially markers Ba and C3d, indicating chronic inflammation (with p-values less than 0.001). This is important because it suggests that AMD may be linked to a broader immune system issue rather than just being limited to eye health, which could lead to new ways to diagnose and treat this condition. Who this helps: This helps patients suffering from age-related macular degeneration and their doctors.

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This study focused on a severe heart condition called acute cardiogenic shock, which can lead to death when the heart fails to function properly. Researchers looked at how heart surgeons and cardiologists worked together to help a patient recover when other treatments had failed. They found that using advanced techniques, including heart surgery and devices that assist heart function, improved outcomes and helped stabilize the patient's condition. Who this helps: This benefits patients suffering from severe heart failure and their doctors by providing effective treatment strategies.

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This study looked at a patient who experienced chest pain, or angina, three years after undergoing a procedure called transmyocardial laser revascularization (TMR), which uses lasers to improve blood flow to the heart. The patient had the TMR procedure done again and experienced complete relief from chest pain right away. This is important because it shows that repeat TMR can effectively help patients who have returned symptoms after the first treatment. Who this helps: This helps patients with recurrent angina who have previously undergone TMR.

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This study looked at how well a type of heart ultrasound called transesophageal echocardiography (TEE) can determine the severity of aortic regurgitation (AR) compared to a method called contrast aortography. They analyzed 39 patients and found that the best measure for assessing AR severity was the ratio of the jet area to the left ventricular diastolic area, which strongly correlated with the severity ratings from angiography. Specifically, a ratio above 20% indicates severe AR, and jets longer than 6 cm or with an area over 10 cm² accurately diagnose severe cases. Who this helps: This helps doctors make better assessments and treatment decisions for patients with aortic regurgitation.