Heart study aims to cut unnecessary pacemaker implants by half
NCT ID NCT04225520
First seen Apr 08, 2026 · Last updated May 13, 2026 · Updated 7 times
Summary
This study looks at 500 people with heart failure to see if using an ultrasound test (echocardiography) to measure how well the heart's chambers work together can better decide who needs a cardiac resynchronization therapy (CRT) device. Currently, 30-40% of patients don't improve after getting a CRT. The goal is to see if this test can reduce unnecessary implants while still helping the right people, comparing it to standard guidelines.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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AZ Damiaan
Ostend, 8400, Belgium
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AZ Delta
Roeselare, 8800, Belgium
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AZ Maria Middelares
Ghent, 9000, Belgium
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AZ Sint-Jan Brugge
Bruges, 8000, Belgium
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CHRU Brest
Brest, 29200, France
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CHU Rennes - Pontchaillou Hospital
Rennes, 35000, France
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CHU de São João
Porto, 4200-319, Portugal
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Dante Pazzanese Institute of Cardiology
São Paulo, 04012-909, Brazil
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Ghent University Hospital
Ghent, 9000, Belgium
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Groupements des hôpitaux de l'institut catholique de Lille
Lille, 59800 Lille, France
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Heart Institute Nicolae Stancioiu
Cluj-Napoca, 400001, Romania
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Hospital Clínico de Barcelona
Barcelona, 08036, Spain
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Klinika Wad Wrodzonych Serca
Warsaw, 04-628, Poland
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Paul Stradins Clinical University hospital
Riga, LV-1002, Latvia
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Poznan University of Medical Sciences
Poznan, 61-701, Poland
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Semmelweis University Heart Center
Budapest, 1122, Hungary
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Silesian Center for Heart Diseases
Zabrze, 41-800, Poland
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St. Vinzenz-Hospital
Cologne, 50733, Germany
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UZ Leuven
Leuven, 3000, Belgium
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University Hospital Antwerp
Antwerp, 2000, Belgium
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Universitätsklinikum Würzburg
Würzburg, 97080, Germany
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Universitätsmedizin Rostock
Rostock, 18057, Germany
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Universitätsspital Zürich
Zurich, 8091, Switzerland
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ZNA Middelheim
Antwerp, 2020, Belgium
Conditions
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