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Berli S, Barbagallo M, Keller E, Esposito G, Pagnamenta A, Brandi G. Sex-Related Differences in Mortality, Delayed Cerebral Ischemia, and Functional Outcomes in Patients with Aneurysmal Subarachnoid Hemorrhage: A Systematic Review and Meta-Analysis. J Clin Med 2024; 13:2781. [PMID: 38792323 PMCID: PMC11122382 DOI: 10.3390/jcm13102781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 04/30/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024] Open
Abstract
Background/Objective: Sex-related differences among patients with aneurysmal subarachnoid hemorrhage (aSAH) and their potential clinical implications have been insufficiently investigated. To address this knowledge gap, we conduct a comprehensive systematic review and meta-analysis. Methods: Sex-specific differences in patients with aSAH, including mortality, delayed cerebral ischemia (DCI), and functional outcomes were assessed. The functional outcome was dichotomized into favorable or unfavorable based on the modified Rankin Scale (mRS), Glasgow Outcome Scale (GOS), and Glasgow Outcome Scale Extended (GOSE). Results: Overall, 2823 studies were identified in EMBASE, MEDLINE, PubMed, and by manual search on 14 February 2024. After an initial assessment, 74 studies were included in the meta-analysis. In the analysis of mortality, including 18,534 aSAH patients, no statistically significant differences could be detected (risk ratio (RR) 0.99; 95% CI, 0.90-1.09; p = 0.91). In contrast, the risk analysis for DCI, including 23,864 aSAH patients, showed an 11% relative risk reduction in DCI in males versus females (RR, 0.89; 95% CI, 0.81-0.97; p = 0.01). The functional outcome analysis (favorable vs. unfavorable), including 7739 aSAH patients, showed a tendency towards better functional outcomes in men than women; however, this did not reach statistical significance (RR, 1.02; 95% CI, 0.98-1.07; p = 0.34). Conclusions: In conclusion, the available data suggest that sex/gender may play a significant role in the risk of DCI in patients with aSAH, emphasizing the need for sex-specific management strategies.
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Affiliation(s)
- Sarah Berli
- Faculty of Medicine, University of Zurich, 8032 Zurich, Switzerland
- Neurocritical Care Unit, Department of Neurosurgery, Institute for Intensive Care Medicine, University Hospital Zurich, 8091 Zurich, Switzerland
| | - Massimo Barbagallo
- Neurocritical Care Unit, Department of Neurosurgery, Institute for Intensive Care Medicine, University Hospital Zurich, 8091 Zurich, Switzerland
| | - Emanuela Keller
- Faculty of Medicine, University of Zurich, 8032 Zurich, Switzerland
- Neurocritical Care Unit, Department of Neurosurgery, Institute for Intensive Care Medicine, University Hospital Zurich, 8091 Zurich, Switzerland
- Clinical Neuroscience Center, University Hospital Zurich and University of Zurich, 8091 Zurich, Switzerland
| | - Giuseppe Esposito
- Clinical Neuroscience Center, University Hospital Zurich and University of Zurich, 8091 Zurich, Switzerland
- Department of Neurosurgery, University Hospital Zurich, 8091 Zurich, Switzerland
| | - Alberto Pagnamenta
- Clinical Trial Unit, Ente Ospedaliero Cantonale, 6900 Lugano, Switzerland
- Department of Intensive Care, Ente Ospedaliero Cantonale, 6900 Lugano, Switzerland
- Division of Pneumology, University of Geneva, 1211 Geneva, Switzerland
| | - Giovanna Brandi
- Faculty of Medicine, University of Zurich, 8032 Zurich, Switzerland
- Neurocritical Care Unit, Department of Neurosurgery, Institute for Intensive Care Medicine, University Hospital Zurich, 8091 Zurich, Switzerland
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Lynch DG, Shah KA, Powell K, Wadolowski S, Tambo W, Strohl JJ, Unadkat P, Eidelberg D, Huerta PT, Li C. Neurobehavioral Impairments Predict Specific Cerebral Damage in Rat Model of Subarachnoid Hemorrhage. Transl Stroke Res 2023:10.1007/s12975-023-01180-2. [PMID: 37493939 DOI: 10.1007/s12975-023-01180-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/09/2023] [Accepted: 07/18/2023] [Indexed: 07/27/2023]
Abstract
Subarachnoid hemorrhage (SAH) is a severe form of stroke that can cause unpredictable and diffuse cerebral damage, which is difficult to detect until it becomes irreversible. Therefore, there is a need for a reliable method to identify dysfunctional regions and initiate treatment before permanent damage occurs. Neurobehavioral assessments have been suggested as a possible tool to detect and approximately localize dysfunctional cerebral regions. In this study, we hypothesized that a neurobehavioral assessment battery could be a sensitive and specific method for detecting damage in discrete cerebral regions following SAH. To test this hypothesis, a behavioral battery was employed at multiple time points after SAH induced via an endovascular perforation, and brain damage was confirmed via postmortem histopathological analysis. Our results demonstrate that impairment of sensorimotor function accurately predict damage in the cerebral cortex (AUC 0.905; sensitivity 81.8%; specificity 90.9%) and striatum (AUC 0.913; sensitivity 90.1%; specificity 100%), while impaired novel object recognition is a more accurate indicator of damage to the hippocampus (AUC 0.902; sensitivity 74.1%; specificity 83.3%) than impaired reference memory (AUC 0.746; sensitivity 72.2%; specificity 58.0%). Tests for anxiety-like and depression-like behaviors predict damage to the amygdala (AUC 0.900; sensitivity 77.0%; specificity 81.7%) and thalamus (AUC 0.963; sensitivity 86.3%; specificity 87.8%), respectively. This study suggests that recurring behavioral testing can accurately predict damage in specific brain regions, which could be developed into a clinical battery for early detection of SAH damage in humans, potentially improving early treatment and outcomes.
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Affiliation(s)
- Daniel G Lynch
- Translational Brain Research Laboratory, The Feinstein Institutes for Medical Research, Manhasset, NY, USA
- Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA
| | - Kevin A Shah
- Translational Brain Research Laboratory, The Feinstein Institutes for Medical Research, Manhasset, NY, USA
- Department of Neurosurgery, North Shore University Hospital, Manhasset, NY, USA
| | - Keren Powell
- Translational Brain Research Laboratory, The Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Steven Wadolowski
- Translational Brain Research Laboratory, The Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Willians Tambo
- Translational Brain Research Laboratory, The Feinstein Institutes for Medical Research, Manhasset, NY, USA
- Elmezzi Graduate School of Molecular Medicine, Manhasset, NY, USA
| | - Joshua J Strohl
- Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA
- Laboratory of Immune and Neural Networks, The Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Prashin Unadkat
- Department of Neurosurgery, North Shore University Hospital, Manhasset, NY, USA
- Elmezzi Graduate School of Molecular Medicine, Manhasset, NY, USA
- Center for Neurosciences, Lab for Behavioral and Molecular Neuroimaging, The Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - David Eidelberg
- Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA
- Elmezzi Graduate School of Molecular Medicine, Manhasset, NY, USA
- Center for Neurosciences, Lab for Behavioral and Molecular Neuroimaging, The Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Patricio T Huerta
- Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA
- Elmezzi Graduate School of Molecular Medicine, Manhasset, NY, USA
- Laboratory of Immune and Neural Networks, The Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Chunyan Li
- Translational Brain Research Laboratory, The Feinstein Institutes for Medical Research, Manhasset, NY, USA.
- Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA.
- Department of Neurosurgery, North Shore University Hospital, Manhasset, NY, USA.
- Elmezzi Graduate School of Molecular Medicine, Manhasset, NY, USA.
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Lynch DG, Shah KA, Powell K, Wadolowski S, Ayol WT, Strohl JJ, Unadkat P, Eidelberg D, Huerta PT, Li C. Neurobehavioral impairments predict specific cerebral damage in rat model of subarachnoid hemorrhage. RESEARCH SQUARE 2023:rs.3.rs-2943917. [PMID: 37292945 PMCID: PMC10246236 DOI: 10.21203/rs.3.rs-2943917/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Subarachnoid hemorrhage (SAH) is a severe form of stroke that can cause unpredictable and diffuse cerebral damage, which is difficult to detect until it becomes irreversible. Therefore, there is a need for a reliable method to identify dysfunctional regions and initiate treatment before permanent damage occurs. Neurobehavioral assessments have been suggested as a possible tool to detect and approximately localize dysfunctional cerebral regions. In this study, we hypothesized that a neurobehavioral assessment battery could be a sensitive and specific early warning for damage in discrete cerebral regions following SAH. To test this hypothesis, a behavioral battery was employed at multiple time points after SAH induced via an endovascular perforation, and brain damage was confirmed via postmortem histopathological analysis. Our results demonstrate that impairment of sensorimotor function accurately predict damage in the cerebral cortex (AUC: 0.905; sensitivity: 81.8%; specificity: 90.9%) and striatum (AUC: 0.913; sensitivity: 90.1%; specificity: 100%), while impaired novel object recognition is a more accurate indicator of damage to the hippocampus (AUC: 0.902; sensitivity: 74.1%; specificity: 83.3%) than impaired reference memory (AUC: 0.746; sensitivity: 72.2%; specificity: 58.0%). Tests for anxiety-like and depression-like behaviors predict damage to the amygdala (AUC: 0.900; sensitivity: 77.0%; specificity: 81.7%) and thalamus (AUC: 0.963; sensitivity: 86.3%; specificity: 87.8%), respectively. This study suggests that recurring behavioral testing can accurately predict damage in specific brain regions, which could be developed into a clinical battery for early detection of SAH damage in humans, potentially improving early treatment and outcomes.
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Morais Filho ABD, Rego TLDH, Mendonça LDL, Almeida SSD, Nóbrega MLD, Palmieri TDO, Giustina GZD, Melo JP, Pinheiro FI, Guzen FP. The physiopathology of spontaneous hemorrhagic stroke: a systematic review. Rev Neurosci 2021; 32:631-658. [PMID: 33594841 DOI: 10.1515/revneuro-2020-0131] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 01/22/2021] [Indexed: 12/29/2022]
Abstract
Hemorrhagic stroke (HS) is a major cause of death and disability worldwide, despite being less common, it presents more aggressively and leads to more severe sequelae than ischemic stroke. There are two types of HS: Intracerebral Hemorrhage (ICH) and Subarachnoid Hemorrhage (SAH), differing not only in the site of bleeding, but also in the mechanisms responsible for acute and subacute symptoms. This is a systematic review of databases in search of works of the last five years relating to the comprehension of both kinds of HS. Sixty two articles composed the direct findings of the recent literature and were further characterized to construct the pathophysiology in the order of events. The road to the understanding of the spontaneous HS pathophysiology is far from complete. Our findings show specific and individual results relating to the natural history of the disease of ICH and SAH, presenting common and different risk factors, distinct and similar clinical manifestations at onset or later days to weeks, and possible complications for both.
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