INCREASE IN LEFT-VENTRICULAR EJECTION RATE DURING RECOVERY FROM EXERCISE IN PATIENTS WITH MYOCARDIAL-INFARCTION

被引：1
作者：
SUGIURA, T
IWASAKA, T
SUMIMOTO, T
TAKEHANA, K
YUASA, F
INADA, M
机构：
[1] CCU, Kansai Medical University, Moriguchi City, Osaka 570
来源：
CARDIOLOGY | 1993年 / 82卷 / 04期
关键词：
EJECTION RATE; SUPINE EXERCISE; MYOCARDIAL INFARCTION; SYSTEMIC VASCULAR RESISTANCE;
D O I：
10.1159/000175873
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
Changes in left ventricular (LV) ejection rate were evaluated during supine bicycle exercise and recovery in 12 patients with anterior myocardial infarction. Pulmonary artery wedge pressure (34 +/- 9 to 14 +/- 5 mm Hg) and plasma norepinephrine level decreased at 2 min recovery from peak exercise, whereas plasma lactate tended to increase. As a result, LV ejection rate reached the highest value at 2 min of recovery. Thus, both cardiac (optimal filling pressure) and peripheral factors (reduced vascular resistance) caused the increase in LV ejection rate at early recovery.
引用
收藏
页码：259 / 264
页数：6
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