Dataset Information

Impact of Subarachnoid Hemorrhage on the Cardiac Autonomic Function During Rehabilitation in Children After Severe Traumatic Brain Injury.

ABSTRACT: This study aimed to investigate the impact of traumatic subarachnoid hemorrhage (tSAH) on cardiac autonomic control system (CACS) function in children after severe traumatic brain injury (TBI) during the subacute rehabilitation period. Thirty-three participants, 8-18 years of age, 42 (14-149) days after severe TBI at the beginning of the subacute rehabilitation, were included in the study. Six participants were diagnosed with tSAH during acute medical care (tSAH group). Heart rate variability (HRV) was assessed by the standard deviation of the N-N interval (SDNN) and the square root of the mean square differences of successive R-R interval (RMSSD) using a Polar RS800CX device while sitting at rest for 5 min. A second assessment was performed 8 weeks later. No significant difference between the tSAH and non-tSAH groups were found in the demographic and functional characteristics or injury severity. However, in comparison to the non-tSAH group, the tSAH group had lower SDNN (23.9 [10.5-47.3] vs. 43.9 [21.8-118.8], respectively; p = 0.005) and RMSSD values (11.8 [5.9-24.5] vs. 29.6 [8.9-71.7], respectively; p = 0.004). Neither group demonstrated changes in HRV values at rest in the second assessment, whereas the significant difference in SDNN (p = 0.035) and RMSSD (p = 0.008) remained. Children diagnosed with SAH after severe TBI presented poorer CACS function during the subacute rehabilitation. Given that reduced HRV values may be a marker for potential heart disease, the medical team should be aware of the influence of existing tSAH. Future studies with larger sample sizes and longer follow-up periods are warranted to further investigate this topic. ClinicalTrials.gov number: NCT03215082.

SUBMITTER: Sorek G

PROVIDER: S-EPMC10354719 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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Impact of Subarachnoid Hemorrhage on the Cardiac Autonomic Function During Rehabilitation in Children After Severe Traumatic Brain Injury.

Sorek Gilad G Shaklai Sharon S Gagnon Isabelle I Schneider Kathryn K Chevignard Mathilde M Stern Nurit N Fadida Yahaloma Y Kalderon Liran L Katz-Leurer Michal M

Neurotrauma reports 20230714 1

This study aimed to investigate the impact of traumatic subarachnoid hemorrhage (tSAH) on cardiac autonomic control system (CACS) function in children after severe traumatic brain injury (TBI) during the subacute rehabilitation period. Thirty-three participants, 8-18 years of age, 42 (14-149) days after severe TBI at the beginning of the subacute rehabilitation, were included in the study. Six participants were diagnosed with tSAH during acute medical care (tSAH group). Heart rate variability (H ...[more]

PMID: 37475976

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Project description:BackgroundProteomic analysis of cerebrospinal fluid (CSF) has shown great promise in identifying potential markers of injury in neurodegenerative diseases [1-13]. Here we compared CSF proteomes in healthy individuals, with patients diagnosed with traumatic brain injury (TBI) and subarachnoid hemorrhage (SAH) in order to characterize molecular biomarkers which might identify these different clinical states and describe different molecular mechanisms active in each disease state.MethodsPatients presenting to the Neurosurgery service at the Louisiana State University Hospital-Shreveport with an admitting diagnosis of TBI or SAH were prospectively enrolled. Patients undergoing CSF sampling for diagnostic procedures were also enrolled as controls. CSF aliquots were subjected to 2-dimensional gel electrophoresis (2D GE) and spot percentage densities analyzed. Increased or decreased spot expression (compared to controls) was defined in terms of in spot percentages, with spots showing consistent expression change across TBI or SAH specimens being followed up by Matrix-Assisted Laser Desorption/Ionization mass spectrometry (MALDI-MS). Polypeptide masses generated were matched to known standards using a search of the NCBI and/or GenPept databases for protein matches. Eight hundred fifteen separately identifiable polypeptide migration spots were identified on 2D GE gels. MALDI-MS successfully identified 13 of 22 selected 2D GE spots as recognizable polypeptides.ResultsStatistically significant changes were noted in the expression of fibrinogen, carbonic anhydrase-I (CA-I), peroxiredoxin-2 (Prx-2), both α and β chains of hemoglobin, serotransferrin (Tf) and N-terminal haptoglobin (Hp) in TBI and SAH specimens, as compared to controls. The greatest mean fold change among all specimens was seen in CA-I and Hp at 30.7 and -25.7, respectively. TBI specimens trended toward greater mean increases in CA-I and Prx-2 and greater mean decreases in Hp and Tf.ConclusionsConsistent CSF elevation of CA-I and Prx-2 with concurrent depletion of Hp and Tf may represent a useful combination of biomarkers for the prediction of severity and prognosis following brain injury.

Project description:IntroductionIndividuals with traumatic brain injury (TBI) or subarachnoid hemorrhage (SAH) are at a high risk of hypopituitarism, and should benefit from early diagnosis and management. However, data on awareness, attitudes, and practices of physicians treating hypopituitarism post-TBI/SAH are limited. The objectives of this study were to gain an understanding of the awareness of Japanese neurosurgeons and endocrinologists towards hypopituitarism post-TBI/SAH and the need for pituitary function assessments in these patients; and to assess the practices and perspectives of these specialists on screening patients with this condition.MethodsAn observational, cross-sectional study was performed that included a Web-based survey of practicing neurosurgeons managing ≥ 1 new patients with TBI/SAH per year or endocrinologists with ≥ 1 new patients per year with a history of TBI/SAH.ResultsOf the 316 respondents (201 neurosurgeons [male, 95.5%]; 115 endocrinologists [male, 77.4%]), 75.6% of neurosurgeons and 81.7% of endocrinologists were aware of the probable occurrence of hypopituitarism post-TBI/SAH, and 79% neurosurgeons and 93.8% endocrinologists considered pituitary function impairment after TBI/SAH to be either very important or important. Hypopituitarism after TBI/SAH was recognized as an important concern by both neurosurgeons (79%) and endocrinologists (93.8%). Although many respondents agreed that such patients remain undiagnosed and untreated, pituitary function assessment post-TBI/SAH has only been performed to a limited extent. The awareness that post-TBI/SAH hypopituitarism is often transient and can progress over several weeks or months was lower in neurosurgeons (46.8%) than in endocrinologists (66.1%).ConclusionsThe level of awareness of hypopituitarism post-TBI/SAH was lower among Japanese neurosurgeons than among endocrinologists. Educational programs and detailed guidance for the diagnosis and treatment of hypopituitarism post-TBI/SAH are warranted.

Dataset Information

Impact of Subarachnoid Hemorrhage on the Cardiac Autonomic Function During Rehabilitation in Children After Severe Traumatic Brain Injury.

Publications

Impact of Subarachnoid Hemorrhage on the Cardiac Autonomic Function During Rehabilitation in Children After Severe Traumatic Brain Injury.

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