Serum sodium and intracranial pressure changes after desmopressin therapy in severe traumatic brain injury patients: a multi-centre cohort study
- PMID: 31486921
- PMCID: PMC6728106
- DOI: 10.1186/s13613-019-0574-z
Serum sodium and intracranial pressure changes after desmopressin therapy in severe traumatic brain injury patients: a multi-centre cohort study
Erratum in
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Correction to: Serum sodium and intracranial pressure changes after desmopressin therapy in severe traumatic brain injury patients: a multi-centre cohort study.Ann Intensive Care. 2019 Dec 4;9(1):136. doi: 10.1186/s13613-019-0610-z. Ann Intensive Care. 2019. PMID: 31802308 Free PMC article.
Abstract
Background: In traumatic brain injury (TBI) patients desmopressin administration may induce rapid decreases in serum sodium and increase intracranial pressure (ICP).
Aim: In an international multi-centre study, we aimed to report changes in serum sodium and ICP after desmopressin administration in TBI patients.
Methods: We obtained data from 14 neurotrauma ICUs in Europe, Australia and UK for severe TBI patients (GCS ≤ 8) requiring ICP monitoring. We identified patients who received any desmopressin and recorded daily dose, 6-hourly serum sodium, and 6-hourly ICP.
Results: We studied 262 severe TBI patients. Of these, 39 patients (14.9%) received desmopressin. Median length of treatment with desmopressin was 1 [1-3] day and daily intravenous dose varied between centres from 0.125 to 10 mcg. The median hourly rate of decrease in serum sodium was low (- 0.1 [- 0.2 to 0.0] mmol/L/h) with a median period of decrease of 36 h. The proportion of 6-h periods in which the rate of natremia correction exceeded 0.5 mmol/L/h or 1 mmol/L/h was low, at 8% and 3%, respectively, and ICPs remained stable. After adjusting for IMPACT score and injury severity score, desmopressin administration was independently associated with increased 60-day mortality [HR of 1.83 (1.05-3.24) (p = 0.03)].
Conclusions: In severe TBI, desmopressin administration, potentially representing instances of diabetes insipidus is common and is independently associated with increased mortality. Desmopressin doses vary markedly among ICUs; however, the associated decrease in natremia rarely exceeds recommended rates and median ICP values remain unchanged. These findings support the notion that desmopressin therapy is safe.
Keywords: Desmopressin; Diabetes insipidus; Natremia; Sodium; Traumatic brain injury.
Conflict of interest statement
The authors declare that they have no competing interests.
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Correction to: Serum sodium and intracranial pressure changes after desmopressin therapy in severe traumatic brain injury patients: a multi-centre cohort study.Ann Intensive Care. 2019 Dec 4;9(1):136. doi: 10.1186/s13613-019-0610-z. Ann Intensive Care. 2019. PMID: 31802308 Free PMC article.
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