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Effect of Tafamidis...
Effect of Tafamidis on Cardiac Function in Patients With Transthyretin Amyloid Cardiomyopathy
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- Shah, Sanjiv J. (författare)
- Division of Cardiology, Department of Medicine, Northwestern University Feinberg School of Medicine, IL, Chicago, USA
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- Fine, Nowell (författare)
- Libin Cardiovascular Institute of Alberta, University of Calgary, AB, Calgary, Canada
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- Garcia-Pavia, Pablo (författare)
- Hospital Universitario Puerta de Hierro Majadahonda, CIBERCV, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
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- Klein, Allan (författare)
- Cleveland Clinic, OH, Cleveland, USA
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- Fernandes, Fabio (författare)
- Heart Institute, University of São Paulo, São Paulo, Brazil
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- Weissman, Neil (författare)
- Medstar Health Research Institute, Georgetown University, DC, Washington, USA
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- Maurer, Mathew (författare)
- Columbia University College of Physicians and Surgeons, NY, New York City, USA
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- Boman, Kurt (författare)
- Umeå universitet,Institutionen för folkhälsa och klinisk medicin
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- Gundapaneni, Balarama (författare)
- Pfizer, CT, Groton, USA
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- Sultan, Marla (författare)
- Pfizer, New York, USA
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- Elliott, Perry (författare)
- University College London, London, United Kingdom
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(creator_code:org_t)
- American Medical Association (AMA), 2024
- 2024
- Engelska.
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Ingår i: JAMA cardiology. - : American Medical Association (AMA). - 2380-6583 .- 2380-6591. ; 9:1, s. 25-34
- Relaterad länk:
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https://doi.org/10.1...
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https://umu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- IMPORTANCE: Tafamidis has been shown to improve survival in patients with transthyretin amyloid cardiomyopathy (ATTR-CM) compared with placebo. However, its effect on cardiac function has not been fully characterized.OBJECTIVE: To examine the effect of tafamidis on cardiac function in patients with ATTR-CM.DESIGN, SETTING, AND PARTICIPANTS: This was an exploratory, post hoc analysis of the Tafamidis in Transthyretin Cardiomyopathy Clinical Trial (ATTR-ACT), a multicenter, international, double-blind, placebo-controlled phase 3 randomized clinical trial conducted from December 2013 to February 2018. The ATTR-ACT included 48 sites in 13 counties and enrolled patients aged 18 to 90 years with ATTR-CM. Data were analyzed from July 2018 to September 2023.INTERVENTION: Patients were randomized to tafamidis meglumine, 80 mg or 20 mg, or placebo for 30 months.MAIN OUTCOMES AND MEASURES: Patients were categorized based on left ventricular (LV) ejection fraction at enrollment as having heart failure with preserved ejection fraction (≥50%), mildly reduced ejection fraction (41% to 49%), or reduced ejection fraction (≤40%). Changes from baseline to month 30 in LV ejection fraction, LV stroke volume, LV global longitudinal strain, and the ratio of early mitral inflow velocity to septal and lateral early diastolic mitral annular velocity (E/e′) were compared in patients receiving tafamidis, 80 mg, vs placebo.RESULTS: A total of 441 patients were randomized in ATTR-ACT, and 436 patients had available echocardiographic data. Of 436 included patients, 393 (90.1%) were male, and the mean (SD) age was 74 (7) years. A total of 220 (50.5%), 119 (27.3%), and 97 (22.2%) had heart failure with preserved, mildly reduced, and reduced LV ejection fraction, respectively. Over 30 months, there was less pronounced worsening in 4 of the echocardiographic measures in patients receiving tafamidis, 80 mg (n = 176), vs placebo (n = 177) (least squares mean difference: LV stroke volume, 7.02 mL; 95% CI, 2.55-11.49; P = .002; LV global longitudinal strain, −1.02%; 95% CI, −1.73 to −0.31; P = .005; septal E/e′, −3.11; 95% CI, −5.50 to −0.72; P = .01; lateral E/e′, −2.35; 95% CI, −4.01 to −0.69; P = .006).CONCLUSIONS AND RELEVANCE: Compared with placebo, tafamidis, 80 mg, attenuated the decline of LV systolic and diastolic function over 30 months in patients with ATTR-CM. Approximately half of patients had mildly reduced or reduced LV ejection fraction at enrollment, suggesting that ATTR-CM should be considered as a possible diagnosis in patients with heart failure regardless of underlying LV ejection fraction.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
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Shah, Sanjiv J.
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Fine, Nowell
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Garcia-Pavia, Pa ...
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Klein, Allan
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Fernandes, Fabio
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Weissman, Neil
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visa fler...
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Maurer, Mathew
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Boman, Kurt
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Gundapaneni, Bal ...
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Sultan, Marla
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Elliott, Perry
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- MEDICIN OCH HÄLSOVETENSKAP
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MEDICIN OCH HÄLS ...
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och Klinisk medicin
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och Kardiologi
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JAMA cardiology
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Umeå universitet