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- Title
Cardiac tamponade as an independent condition affecting the relationship between the plasma B-type natriuretic peptide levels and cardiac function.
- Authors
Minai, Kosuke; Komukai, Kimiaki; Arase, Satoshi; Nagoshi, Tomohisa; Matsuo, Seiichiro; Ogawa, Kazuo; Kayama, Yosuke; Inada, Keiichi; Tanigawa, Shin-ichi; Takemoto, Tomoyuki; Sekiyama, Hiroshi; Date, Taro; Ogawa, Takayuki; Taniguchi, Ikuo; Yoshimura, Michihiro
- Abstract
Plasma B-type natriuretic peptide (BNP) is finely regulated by the cardiac function and several extracardiac factors. Therefore, the relationship between the plasma BNP levels and the severity of heart failure sometimes seems inconsistent. The purpose of the present study was to investigate the plasma BNP levels in patients with cardiac tamponade and their changes after pericardial drainage. This study included 14 patients with cardiac tamponade who underwent pericardiocentesis. The cardiac tamponade was due to malignant diseases in 13 patients and uremia in 1 patient. The plasma BNP levels were measured before and 24-48 h after drainage. Although the patients reported severe symptoms of heart failure, their plasma BNP levels were only 71.2 ± 11.1 pg/ml before drainage. After appropriate drainage, the plasma BNP levels increased to 186.0 ± 22.5 pg/ml, which was significantly higher than that before drainage ( P = 0.0002). In patients with cardiac tamponade, the plasma BNP levels were low, probably because of impaired ventricular stretching, and the levels significantly increased in response to the primary condition after drainage. This study demonstrates an additional condition that affects the relationship between the plasma BNP levels and cardiac function. If inconsistency is seen in the relationship between the plasma BNP levels and clinical signs of heart failure, the presence of cardiac tamponade should therefore be considered.
- Subjects
CARDIAC tamponade; BLOOD plasma; NATRIURETIC peptides; HEART function tests; SURGICAL drainage; CLINICAL trials; HEART failure
- Publication
Heart & Vessels, 2013, Vol 28, Issue 4, p510
- ISSN
0910-8327
- Publication type
Article
- DOI
10.1007/s00380-012-0278-x