MAYER WAVES IN DOGS WITH TOTAL ARTIFICIAL-HEART

被引：2
|
作者：
YAMBE, T
NITTA, S
KATAHIRA, Y
SONOBE, T
NAGANUMA, S
KAKINUMA, Y
KOBAYASHI, S
TANAKA, M
MIURA, M
SATO, N
MOHRI, H
YOSHIZAWA, M
IZUMI, K
TAKEDA, H
机构：
[1] TOHOKU UNIV,SCH MED,DEPT THORAC & CARDIOVASC SURG,SENDAI,MIYAGI 980,JAPAN
[2] TOHOKU UNIV,FAC ENGN,DEPT ELECT ENGN,SENDAI,MIYAGI 980,JAPAN
[3] TOYOHASHI UNIV TECHNOL,DEPT KNOWLEDGE BASED INFORMAT ENGN,TOYOHASHI,AICHI 440,JAPAN
来源：
INTERNATIONAL JOURNAL OF ARTIFICIAL ORGANS | 1992年 / 15卷 / 10期
关键词：
TOTAL ARTIFICIAL HEART (TAH); POWER SPECTRAL ANALYSIS; MAYER WAVES; RESPIRATORY WAVES; AUTONOMIC NERVOUS SYSTEM; FLUCTUATION; CARDIOVASCULAR REGULATION; MAXIMUM ENTROPY METHODS;
D O I：
10.1177/039139889201501006
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
To assess the effect of a total artificial heart (TAH) on the autonomic nervous system a power spectral analysis of the hemodynamics in a TAH animal was done by the maximum entropy method. Two pneumatically driven sac-type ventricular assist devices were implanted as total biventricular bypass (BVB) in adult mongrel dogs to compare the differences between natural heart and TAH. Once the BVB was pumping, the natural heart was electrically fibrillated to constitute the BVB-type TAH model. In the arterial pressure waveform in animals with TAH, respiratory waves were not changed (97.7+/-24.6%) though Mayer waves were significantly decreased (47.5 +/- 22.6%) compared with the animal with a natural heart. These results suggest that prosthetic hemodynamics in the TAH animal affect fluctuations in the cardiovascular system.
引用
收藏
页码：601 / 605
页数：5
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