Association Between Serum Sodium Abnormalities and Clinico-radiologic Parameters in Severe Traumatic Brain Injury

Background: Secondary brain insults after traumatic brain injury such as electrolyte dysfunctions are associated with poor outcomes. This study aimed at determining the incidence of serum sodium ion abnormalities and their association with clinico-radiological parameters. Methods: A prospective cros...

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Main Authors: Philip Mwachaka, Angela Amayo, Nimrod Mwang’ombe, Peter Kitunguu
Format: Article
Language:English
Published: Surgical Society of Kenya 2021-07-01
Series:The Annals of African Surgery
Subjects:
Online Access:https://www.annalsofafricansurgery.com/sodium-severe-brain-injury
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author Philip Mwachaka
Angela Amayo
Nimrod Mwang’ombe
Peter Kitunguu
author_facet Philip Mwachaka
Angela Amayo
Nimrod Mwang’ombe
Peter Kitunguu
author_sort Philip Mwachaka
collection DOAJ
description Background: Secondary brain insults after traumatic brain injury such as electrolyte dysfunctions are associated with poor outcomes. This study aimed at determining the incidence of serum sodium ion abnormalities and their association with clinico-radiological parameters. Methods: A prospective cross-sectional study of one hundred and seventeen patients with severe head injury. Data collected included patient demographics, prehospital interventions, clinical examination findings, computed tomography (CT) scan head findings, serum sodium ion levels (at admission and 48 h later), and outcome (30 days). Results: At admission, 93(79.5%) patients had normal serum sodium ion levels. However, 48 h post-admission, hypernatremia was prevalent in 56(63.6%) patients (p < 0.001). Hypernatremia was significantly associated with the use of mannitol (p = 0.036), lower Glasgow Coma Score (p = 0.047), higher Injury Severity Score (p = 0.015), presence of subdural hematoma (p = 0.044), midline shift >5 mm (p = 0.048), compressed/absent basal cistern (p = 0.010), and higher Rotterdam CT Score (p = 0.003). Hypernatremia reported 48 h post-admission was associated with a high 30-day mortality rate [odds ratio (OR) 3.55, p = 0.0095]. Risk of mortality associated with hyponatremia and hypernatremia at admission was not statistically significant. Conclusion: While both hyponatremia and hypernatremia can occur in serious TBI patients, hypernatremia predominates 48 hours post-admission and is associated with statistically significant increased risk of death.
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spelling doaj.art-02465435b7cc4bd896c6c249077deedb2022-12-21T20:15:28ZengSurgical Society of KenyaThe Annals of African Surgery1999-96742523-08162021-07-01183155162http://dx.doi.org/10.4314/aas.v18i3.6Association Between Serum Sodium Abnormalities and Clinico-radiologic Parameters in Severe Traumatic Brain InjuryPhilip Mwachaka0Angela Amayo1Nimrod Mwang’ombe2Peter Kitunguu3Department of Surgery, Neurosurgery Unit, University of Nairobi, Nairobi, Kenya; Department of Human Anatomy, University of Nairobi, Kenya.Department of Pathology, University of Nairobi, Nairobi, Kenya.Department of Surgery, Neurosurgery Unit, University of Nairobi, Nairobi, KenyaDepartment of Surgery, Neurosurgery Unit, University of Nairobi, Nairobi, KenyaBackground: Secondary brain insults after traumatic brain injury such as electrolyte dysfunctions are associated with poor outcomes. This study aimed at determining the incidence of serum sodium ion abnormalities and their association with clinico-radiological parameters. Methods: A prospective cross-sectional study of one hundred and seventeen patients with severe head injury. Data collected included patient demographics, prehospital interventions, clinical examination findings, computed tomography (CT) scan head findings, serum sodium ion levels (at admission and 48 h later), and outcome (30 days). Results: At admission, 93(79.5%) patients had normal serum sodium ion levels. However, 48 h post-admission, hypernatremia was prevalent in 56(63.6%) patients (p < 0.001). Hypernatremia was significantly associated with the use of mannitol (p = 0.036), lower Glasgow Coma Score (p = 0.047), higher Injury Severity Score (p = 0.015), presence of subdural hematoma (p = 0.044), midline shift >5 mm (p = 0.048), compressed/absent basal cistern (p = 0.010), and higher Rotterdam CT Score (p = 0.003). Hypernatremia reported 48 h post-admission was associated with a high 30-day mortality rate [odds ratio (OR) 3.55, p = 0.0095]. Risk of mortality associated with hyponatremia and hypernatremia at admission was not statistically significant. Conclusion: While both hyponatremia and hypernatremia can occur in serious TBI patients, hypernatremia predominates 48 hours post-admission and is associated with statistically significant increased risk of death.https://www.annalsofafricansurgery.com/sodium-severe-brain-injurytraumatic brain injuryhyponatremiahypernatremiaoutcomesclinico-radiologic parameters
spellingShingle Philip Mwachaka
Angela Amayo
Nimrod Mwang’ombe
Peter Kitunguu
Association Between Serum Sodium Abnormalities and Clinico-radiologic Parameters in Severe Traumatic Brain Injury
The Annals of African Surgery
traumatic brain injury
hyponatremia
hypernatremia
outcomes
clinico-radiologic parameters
title Association Between Serum Sodium Abnormalities and Clinico-radiologic Parameters in Severe Traumatic Brain Injury
title_full Association Between Serum Sodium Abnormalities and Clinico-radiologic Parameters in Severe Traumatic Brain Injury
title_fullStr Association Between Serum Sodium Abnormalities and Clinico-radiologic Parameters in Severe Traumatic Brain Injury
title_full_unstemmed Association Between Serum Sodium Abnormalities and Clinico-radiologic Parameters in Severe Traumatic Brain Injury
title_short Association Between Serum Sodium Abnormalities and Clinico-radiologic Parameters in Severe Traumatic Brain Injury
title_sort association between serum sodium abnormalities and clinico radiologic parameters in severe traumatic brain injury
topic traumatic brain injury
hyponatremia
hypernatremia
outcomes
clinico-radiologic parameters
url https://www.annalsofafricansurgery.com/sodium-severe-brain-injury
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AT nimrodmwangombe associationbetweenserumsodiumabnormalitiesandclinicoradiologicparametersinseveretraumaticbraininjury
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