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.
journal_name
Heart Vesselsjournal_title
Heart and vesselsauthors
Minai K,Komukai K,Arase S,Nagoshi T,Matsuo S,Ogawa K,Kayama Y,Inada K,Tanigawa S,Takemoto T,Sekiyama H,Date T,Ogawa T,Taniguchi I,Yoshimura Mdoi
10.1007/s00380-012-0278-xsubject
Has Abstractpub_date
2013-07-01 00:00:00pages
510-3issue
4eissn
0910-8327issn
1615-2573journal_volume
28pub_type
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