ArticleNeurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology2022
Renin, antidiuretic hormone (ADH), and ADH receptor levels in cerebral salt wasting associated with tuberculous meningitis.
Article in Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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5 authors at 3 institutions in 1 country.
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Abstract
backgroundTo evaluate serum antidiuretic hormone (ADH), its receptors, and renin levels in cerebral salt wasting (CSW) in tuberculous meningitis (TBM).
methodsPatients diagnosed with definite (n = 30) or probable TBM (n = 47) who developed hyponatremia (CSW, SIADH, or miscellaneous causes) were included. Sequential measurement of serum ADH, ADH-R, and renin activity by enzyme-linked immunosorbent assay was done and correlated with serum sodium level, urinary output, and fluid balance.
resultsOut of 79 TBM patients, CSW was observed in 36, SIADH in four, and miscellaneous hyponatremia in eight patients. CSW patients had a longer hospital stay (P < 0.001), lower GCS score (P < 0.007), higher MRC grade (P < 0.007), and a lower serum Na (P < 0.001) compared to non-CSW TBM patients. In severe CSW patients, serum ADH and ADH-R were correlated with hyponatremia and returned to baseline on correction; however, serum renin levels remained elevated. Serum ADH was related to hyponatremia but ADH-R and renin were not. ADH-R and renin levels did not significantly differ in CSW and SIADH.
conclusionCSW is the commonest cause of hyponatremia in TBM and correlates with disease severity. ADH is related to hyponatremia, but ADH receptor and renin are not.
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