Baroreflex Failure
نویسندگان
چکیده
منابع مشابه
Baroreflex sensitivity in renal failure
1. Baroreflex sensitivity was evaluated in 22 non-dialysed patients with chronic renal failure secondary to chronic glomerulonephritis. Baroreflex sensitivity was judged by the slope of the linear regression of the pulse interval on the rise in systolic blood pressure with injection of phenylephrine or reduction by amyl nitrite inhalation. 2. Baroreflex sensitivity was reduced in these patients...
متن کاملAbnormal Baroreflex Mechanisms in Congestive Heart Failure
P atients with low output congestive heart failure have less-than-normal slowing of heart rate during pharmacologic increases of arterial pressure, indicating impairment of the arterial baroreceptor-heart rate reflex.1 The mechanism underlying this abnormality is not fully understood and could involve one or more components of the reflex arc, including an afferent limb (generation and transmiss...
متن کاملAfferent baroreflex failure in familial dysautonomia.
BACKGROUND Familial dysautonomia (FD) is due to a genetic deficiency of the protein IKAP, which affects development of peripheral neurons. Patients with FD display complex abnormalities of the baroreflex of unknown cause. METHODS To test the hypothesis that the autonomic phenotype of FD is due to selective impairment of afferent baroreceptor input, we examined the autonomic and neuroendocrine...
متن کاملNovel therapeutic strategy against central baroreflex failure: a bionic baroreflex system.
BACKGROUND Central baroreflex failure in Shy-Drager syndrome and traumatic spinal cord injuries results in severe orthostatic hypotension and often confines the patient to the bed. We proposed a novel therapeutic strategy against central baroreflex failure: implementation of an artificial feedback control system able automatically to regulate sympathetic vasomotor tone, that is, a bionic barore...
متن کاملBionic technology revitalizes native baroreflex function in rats with baroreflex failure.
BACKGROUND We developed a bionic technology for the treatment of baroreflex failure and tested its efficacy in restoration of arterial pressure against head-up tilt (HUT) in rats with baroreflex failure. METHODS AND RESULTS The bionic baroreflex system (BBS) was a negative feedback system controlled by a computer, the artificial vasomotor center. It sensed systemic arterial pressure (SAP) thr...
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ژورنال
عنوان ژورنال: Hypertension
سال: 2005
ISSN: 0194-911X,1524-4563
DOI: 10.1161/01.hyp.0000160355.93303.72