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January 1, 1976European Journal of Endocrinology

Aldosterone Secretion During High Sodium Cerebrospinal Fluid Perfusion of the Brain Ventricles

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Why the study?

Does high sodium cerebrospinal fluid perfusion reduce blood aldosterone levels in Na-depleted sheep?

Population

19 conscious, Na-depleted sheep with permanent indwelling cannulae in the lateral ventricles and the…

Comparison

Perfusion for 9 hours with artificial… vs Perfusion with artificial cerebrospinal fluid…

Design

Preclinical

Follow-up

9 hours

Authors

SASuzanne AbrahamAll India Institute of Medical Sciences BhopalJBJ. R. Blair‐WestThe University of MelbourneJCJohn P. CoghlanThe University of Melbourne

Discussion

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Overview

Supports CNS-mediated aldosterone regulation by CSF sodium; hypothesis-generating and requires human validation before clinical consideration.

Structured PICO

Does high sodium cerebrospinal fluid perfusion reduce blood aldosterone levels in Na-depleted sheep?

P
Population
19 conscious, Na-depleted sheep with permanent indwelling cannulae in the lateral ventricles and the cisterna magna
I
Intervention
Perfusion for 9 hours with artificial cerebrospinal fluid containing high sodium (170 mEq/l)
C
Comparator
Perfusion with artificial cerebrospinal fluid containing normal sodium (145 mEq/l) or no perfusion
O
Outcome
Blood aldosterone level at 9 hourssurrogate

High sodium cerebrospinal fluid perfusion reduces blood aldosterone levels independently of systemic factors, suggesting a central nervous system mechanism for aldosterone regulation.

Cite This Study

Abraham et al. (1976) studied this question.

synapsesocial.com/papers/6a8a822e755d28965dfd6e2fhttps://doi.org/10.1530/acta.0.0810120
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