Dr. Marvasti studies heart conditions that arise from complications related to procedures, underlying health issues, and surgeries. His research spans multiple areas including heart failure, especially in patients who have undergone kidney transplants, and the diagnosis and treatment of serious conditions like pulmonary embolism and aortic stenosis. He utilizes techniques such as echocardiography to diagnose heart conditions quickly and explores the effective use of stents made from a patient's own tissue to repair damaged veins after bypass surgery. His work not only helps to improve patient outcomes but also informs treatment strategies for heart patients in various scenarios.
Key findings
A patient with heart failure due to fluid buildup after a kidney transplant saw significant improvement after fixing a blood vessel issue, with no more fluid accumulation reported over a nearly one-year follow-up.
In a case study of a heart patient requiring a stent, the use of a vein-covered stent made from the patient’s own tissue proved successful, leading to effective repair and better outcomes as confirmed by later surgery.
In research on lung failure prevention, ten pigs treated with plasminogen activator after injury survived and exhibited no major lung damage, compared to zero survival in untreated pigs, indicating a potential life-saving treatment for trauma victims.
Echocardiography was shown to enable fast and effective diagnosis of pulmonary embolism in postpartum patients, potentially saving lives by reducing the need for invasive procedures.
Analysis of 95 patients with severe aortic stenosis revealed that about 50.5% had pulmonary hypertension, indicating that this complication is more common than previously recognized, which can influence treatment decisions.
Frequently asked questions
Does Dr. Marvasti study heart conditions after kidney transplants?
Yes, he has researched heart failure in patients who have experienced fluid buildup after kidney transplants.
What treatments has Dr. Marvasti researched?
He has worked on treatments involving stents, echocardiography for diagnosing pulmonary embolism, and techniques aimed at preventing lung failures in trauma patients.
Is Dr. Marvasti's work relevant to newly postpartum patients?
Yes, his research on echocardiography for diagnosing pulmonary embolism directly benefits postpartum patients who may face this serious condition.
Can Dr. Marvasti's research help patients with heart valve issues?
Absolutely, his studies on severe aortic stenosis and associated pulmonary hypertension are crucial for managing care in these patients.
What are the implications of Dr. Marvasti's findings on stent procedures?
His research indicates that using a patient’s own tissue for stents can effectively resolve complications during heart procedures, which is a significant advancement in cardiac care.
Publications in plain English
Right Heart Failure With Recurrent Pericardial Effusion Mimicking Effusive-Constrictive Pericarditis Several Years After Renal Transplantation.
2022
Journal of investigative medicine high impact case reports
Cordova Sanchez A, Vasigh M, Singh R, May A, Marvasti M +1 more
Plain English This study looked at a patient who experienced heart failure due to a buildup of fluid around the heart after a kidney transplant. The patient's heart issues were initially thought to be related to a condition called effusive-constrictive pericarditis. However, after fixing a blood vessel issue called an arteriovenous fistula, the patient's heart failure improved significantly, and there was no more fluid buildup during the follow-up period of nearly a year.
Who this helps: This benefits kidney transplant patients who may experience heart complications.
Successful treatment of a saphenous vein graft perforation with an autologous vein-covered stent.
1999
Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions
Caputo RP, Amin N, Marvasti M, Wagner S, Levy C +1 more
Plain English A 52-year-old man, who had heart bypass surgery in the past, experienced chest pain and needed a stent placed in a vein connected to his heart. During the procedure, a tear occurred in the vein, but it was successfully repaired using a specially designed stent covered with a piece of the patient’s own vein. This approach worked well, as confirmed by later surgery, showing that using a patient's own tissue can effectively fix such complications.
Who this helps: This benefits heart patients who might face similar complications during stent procedures.
Echocardiographic diagnosis and surgical treatment of postpartum pulmonary embolism.
1990
The Annals of thoracic surgery
Rosenberg JM, Lefor AT, Kenien G, Marvasti M, Obeid A
Plain English This study looked at how echocardiography, a non-invasive imaging tool, can quickly diagnose pulmonary embolism (a blockage in the lungs' blood vessels) in postpartum patients. The researchers found that using echocardiography helped in making fast and effective diagnoses without needing more invasive procedures. This is important because it can save lives and reduce complications from pulmonary embolism, which is a serious condition that affects many new mothers.
Who this helps: This helps postpartum patients and their doctors.
Prevention of adult respiratory distress syndrome with plasminogen activator in pigs.
1990
Critical care medicine
Hardaway RM, Williams CH, Marvasti M, Farias M, Tseng A +4 more
Plain English This study looked at how a treatment called plasminogen activator could prevent severe lung failure, known as adult respiratory distress syndrome (ARDS), in pigs after a traumatic injury. The researchers found that while all nine untreated pigs died and showed major lung damage, ten pigs that received the treatment four hours after injury all survived and had healthy lungs. This matters because it shows that breaking down small blood clots in the lungs may help save lives after trauma.
Who this helps: This helps injured patients at risk of respiratory failure.
Pulmonary hypertension in severe aortic stenosis. Incidence, mechanisms, clinical and surgical implications.
1987
Giornale italiano di cardiologia
Buonanno C, Johnson LW, Bowser MA, Hapanowicz MB, Marvasti M +1 more
Plain English This study looked at 95 patients with severe aortic stenosis, a heart issue where the aortic valve becomes narrowed. It found that about 50.5% of these patients also had pulmonary hypertension, which is high blood pressure in the lungs. Those with pulmonary hypertension were generally older and had more severe heart problems. This research highlights that pulmonary hypertension is more common in patients with severe aortic stenosis than previously thought, which could impact treatment decisions and patient care.
Who this helps: Patients with severe aortic stenosis and their doctors.