Condition: Heart Transplant Rejection · Microvascular Resistance · Sponsor: Hospital Miguel Servet
Acute allograft rejection (AAR) is an important cause of morbi-mortality in heart transplant (HT) patients, particularly during the first year. Endomyocardial biopsy (EMB) is the "gold standard" to guide post- heart transplantation treatment. However, it is associated with complications that can be potentially serious. The index of microvascular resistance (IMR) is a specific physiological parameter used to assess microvascular function. Invasive coronary assessment has been shown to be both feasible and safe. Detection of coronary microvascular dysfunction (MCD) by IMR may help to identify high risk HT patients. In fact, an increased IMR measured early after HT has been associated with AAR, higher all-cause mortality and adverse cardiac events. A high IMR value early after HT may identify patients at higher risk who require increased surveillance or adjustments in immunosuppressive therapy. Conversely, a low IMR value may support reducing the number of EMBs. Our aim is to evaluate IMR in heart transplant patients within the first year. Changes in management after knowing IMR values and prognostic implications of IMR in a long term follow up will also be assessed.
This description comes directly from the study's public registry record.
Georgina Fuertes, MD PHD · 0034 976765500 · georginaff@hotmail.com
Ainhoa Perez Guerrero, MD · ainhoaperezguerrero@gmail.com
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| Hospital Universitario de Bellvitge | L'Hospitalet de Llobregat, Barcelona, Spain | Active Not Recruiting |
| Hospital Miguel Servet | Zaragoza, Zaragoza, Spain | Recruiting |
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Source record: clinicaltrials.gov/study/NCT06656065