Highlights
- •We assessed the measurement of sodium metabolism-related hormones to predict SVS.
- •AVP, ACTH, and cortisol were elevated on day 1 after SAH in patients with SVS.
- •Serum sodium fluctuations were associated with SVS occurrence.
- •Serum sodium fluctuations were associated with stress-related hormonal dynamics.
Abstract
Background
Symptomatic vasospasm (SVS) is a major cause of morbidity and mortality in aneurysmal
subarachnoid hemorrhage (SAH), and serum sodium frequently decreases before SVS. Serum
sodium changes might be regulated by sodium metabolism-related hormones. This multi-institutional
prospective cohort study therefore investigated the measurement of sodium metabolism-related
hormones to elucidate the pathophysiology of serum sodium changes in SAH.
Methods
SAH patients were treated with clipping or coiling from September 2017 to August 2020
at five hospitals. The laboratory data of 133 SAH patients were collected over 14 days
and correlations between changes in serum sodium, sodium metabolism-related hormones
(plasma adrenocorticotropic hormone (ACTH), serum cortisol, plasma arginine vasopressin
(AVP)), and SVS were determined. Serum sodium concentrations were measured every day
and serum sodium levels >135 mEq/L were maintained until day 14.
Results
Of the 133 patients, 18 developed SVS within 14 days of subarachnoid hemorrhage onset
(SVS group) and 115 did not suffer from SVS (non-SVS group). Circulating AVP, ACTH,
and cortisol concentrations were significantly higher on day 1 in the SVS group compared
with the non-SVS group. Fluctuations in serum sodium in the SVS group were significantly
higher than those in the non-SVS group. There were antiparallel fluctuations in serum
sodium and potassium from days 2 to 14.
Conclusions
Elevated levels of ACTH/cortisol and AVP on day 1 may be predictive markers for the
occurrence of SVS. Multiple logistic regression analysis showed that serum sodium
fluctuations were associated with SVS occurrence. Serum sodium fluctuations were associated
with stress-related hormonal dynamics. (249 words)
Keywords
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Article info
Publication history
Accepted:
July 15,
2022
Received:
April 17,
2022
Identification
Copyright
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