Orthostatic hypotension with meningoencephalitis involving the rostral ventrolateral medulla
نویسندگان
چکیده
منابع مشابه
GABAergic mechanism in the rostral ventrolateral medulla contributes to the hypotension of moxonidine.
AIMS The depressor action of the centrally antihypertensive drug moxonidine has been attributed to activation of I(1)-imidazoline receptor in the rostral ventrolateral medulla (RVLM). The objective of this study was to determine the role of the γ-aminobutyric acid (GABA) mechanisms in the RVLM in mediating the effect of moxonidine in anaesthetized normotensive rats. METHODS AND RESULTS The re...
متن کاملAttenuation of homeostatic responses to hypotension and glucoprivation after destruction of catecholaminergic rostral ventrolateral medulla neurons.
This study determined the effect of destruction of rostral ventrolateral medulla (RVLM)-C1 cells on integrated sympathetic and hormonal responses to hypotension or glucoprivation. Injection of anti-dopamine beta-hydroxylase-saporin into the RVLM resulted in 29-99% depletion of RVLM-C1 neurons and approximately 60% reduction in the number of A5 neurons. As in our previous study in unanesthetized...
متن کاملThe vascular layers on the rostral ventrolateral medulla.
There has been a keen interest in assessing the neurovascular anatomy of the rostral ventrolateral medulla oblongata (RVLM). The present study was aimed at documenting the complete neurovascular anatomy of the RVLM, in order to offer a general picture of the possible offending vessels of this area, which seems to be involved in the pathogeny of the essential hypertension. Noteworthy, syndromes ...
متن کاملPulsatile compression of the rostral ventrolateral medulla in hypertension.
The rostral ventrolateral medulla (RVLM) has been known to be a major regulating center of sympathetic and cardiovascular activities. An association between essential hypertension and neurovascular compression of the RVLM has been reported in clinical observations, including magnetic resonance imaging (MRI) studies. To reconfirm this relationship, we performed MRI using a high-resolution 512 x ...
متن کاملOpioid signalling in the rat rostral ventrolateral medulla.
1. The present article reviews several aspects of opioid signalling in the rostral ventrolateral medulla (RVLM) and their implications for the neural control of blood pressure. 2. In the RVLM, preproenkephalin (PPE) mRNA is expressed by bulbospinal cells that are strongly barosensitive. These putative presympathetic neurons includes C1 and non-C1 neurons. 3. In the RVLM, PPE mRNA is also presen...
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ژورنال
عنوان ژورنال: Annals of Clinical Neurophysiology
سال: 2019
ISSN: 2508-691X,2508-6960
DOI: 10.14253/acn.2019.21.1.66