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Lampmann T, Brandecker S, Weller J, Schmeel FC, Asoglu H, Hamed M, Radbruch A, Güresir E, Vatter H, Banat M. Frequency and Characteristics of Spinal Bleeding Sources in Nontraumatic Angiogram-Negative Subarachnoid Hemorrhage. Cerebrovasc Dis Extra 2023; 13:91-96. [PMID: 37899029 PMCID: PMC10673340 DOI: 10.1159/000534529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Accepted: 09/28/2023] [Indexed: 10/31/2023] Open
Abstract
INTRODUCTION Angiogram-negative subarachnoid hemorrhage (AN-SAH) accounts for 5-15% of spontaneous SAH. This study aims to analyze the frequency and characteristics of spinal bleeding sources in patients with AN-SAH. METHODS 140 patients suffering from AN-SAH treated at our institution from 2012 to 2022 were included in this retrospective cohort study. RESULTS 52.1% were diagnosed with perimesencephalic SAH, 35.0% with non-perimesencephalic, SAH and 12.9% with CT-negative SAH (diagnosed by lumbar puncture). Additional magnetic resonance imaging (MRI) identified a spinal bleeding source in 4 patients (2.86%). These patients presented with local spine pain or neurological deficits (relative risk: 3.9706 [95% confidence interval [CI]: 0.7272-21.6792]; p < 0.001) and were younger (mean difference 14.85 years [95% CI: 0.85-28.85; p = 0.038]) compared to patients without a spinal bleeding source. CONCLUSIONS AN-SAH caused by spinal pathology is rare. This study indicates that craniocervical and holospinal MRI should be considered in AN-SAH, especially for young patients with AN-SAH who present with back pain or neurological deficits.
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Affiliation(s)
- Tim Lampmann
- Department of Neurosurgery, University Hospital Bonn, Bonn, Germany
| | - Simon Brandecker
- Department of Neurosurgery, University Hospital Bonn, Bonn, Germany
| | - Johannes Weller
- Department of Neurology, University Hospital Bonn, Bonn, Germany
| | | | - Harun Asoglu
- Department of Neurosurgery, University Hospital Bonn, Bonn, Germany
| | - Motaz Hamed
- Department of Neurosurgery, University Hospital Bonn, Bonn, Germany
| | | | - Erdem Güresir
- Department of Neurosurgery, University Hospital Bonn, Bonn, Germany
| | - Hartmut Vatter
- Department of Neurosurgery, University Hospital Bonn, Bonn, Germany
| | - Mohammed Banat
- Department of Neurosurgery, University Hospital Bonn, Bonn, Germany
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Tarkiainen J, Hovi V, Pyysalo L, Ronkainen A, Frösen J. The clinical course and outcomes of non-aneurysmal subarachnoid hemorrhages in a single-center retrospective study. Acta Neurochir (Wien) 2023; 165:2843-2853. [PMID: 37659045 PMCID: PMC10542109 DOI: 10.1007/s00701-023-05767-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 08/17/2023] [Indexed: 09/05/2023]
Abstract
BACKGROUND Non-aneurysmal subarachnoid hemorrhages (SAHs) are thought to have a benign clinical course compared to aneurysmal SAHs. The aim of this study is to report the clinical course and outcomes of non-aneurysmal SAHs in a large single-center study. METHODS The patients with non-aneurysmal SAHs were screened from Tampere University Hospital from 2005 to 2020. The clinical data were collected from the patient's medical records and from the imaging studies. The primary interest was the neurological outcome assessed by dichotomized GOS at 2 months. Multivariable logistic regression was used to study the factors associated with unfavorable outcome. RESULTS We found 216 non-aneurysmal SAHs in 214 patients (2 patients with > 1 bleed). Ninety-seven percent of patients with a typical perimesencephalic bleeding pattern SAH (PSAH) (75/77) had a favorable outcome, while 86% of patients with non-perimesencephalic SAH (NPSAH) had a favorable outcome (84/98). In a multivariable logistic regression analysis, loss of consciousness (LOC) (aOR 214.67, 95% CI 17.62-2615.89) and Fisher grade 4 bleeding pattern (aOR 23.32, 95% CI 1.40-387.98) were associated with increased risk for unfavorable outcome (GOS 1-3). Vasospasm was seen in 20% of non-aneurysmal SAH patients, hydrocephalus in 17%, and 13% needed ventriculostomy. CONCLUSIONS Non-aneurysmal SAH seems to have a good prognosis for majority of patients, especially for patients with a PSAH. Non-aneurysmal SAH patients are however affected by vasospasm and hydrocephalus and have similar risk factors for poor outcome as patients with aneurysmal SAH. This suggests that it is the severity of the bleed rather than the etiology that associates with poor outcome.
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Affiliation(s)
- Jeremias Tarkiainen
- Department of Neurosurgery, Tampere University Hospital and University of Tampere, Tampere, Finland.
- Hemorrhagic Brain Pathology Research Group, Faculty of Medical Technology and Health Sciences, Tampere University, Tampere, Finland.
| | - Valtteri Hovi
- Department of Neurosurgery, Tampere University Hospital and University of Tampere, Tampere, Finland
- Hemorrhagic Brain Pathology Research Group, Faculty of Medical Technology and Health Sciences, Tampere University, Tampere, Finland
| | - Liisa Pyysalo
- Hemorrhagic Brain Pathology Research Group, Faculty of Medical Technology and Health Sciences, Tampere University, Tampere, Finland
- Department of Rehabilitation, Tampere University Hospital, Tampere, Finland
| | - Antti Ronkainen
- Department of Neurosurgery, Tampere University Hospital and University of Tampere, Tampere, Finland
| | - Juhana Frösen
- Department of Neurosurgery, Tampere University Hospital and University of Tampere, Tampere, Finland
- Hemorrhagic Brain Pathology Research Group, Faculty of Medical Technology and Health Sciences, Tampere University, Tampere, Finland
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Korhonen A, Verho L, Aarnio K, Rantanen K, Saaros A, Laivuori H, Gissler M, Tikkanen M, Ijäs P. Subarachnoid Hemorrhage During Pregnancy and Puerperium: A Population-Based Study. Stroke 2023; 54:198-207. [PMID: 36321452 DOI: 10.1161/strokeaha.122.039235] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Pregnancy-related subarachnoid hemorrhage (pSAH) is rare, but it causes high mortality and morbidity. Nevertheless, data on pSAH are limited. The objectives here were to examine the incidence trends, causes, risk factors, and outcomes of pSAH in a nationwide population-based cohort study in Finland covering 30 years. METHODS We performed a retrospective population-based cohort study and nested case-control study in Finland for the period 1987-2016 (Stroke in Pregnancy and Puerperium in Finland). The Medical Birth Register was linked to the Hospital Discharge Register to identify women with incident stroke during pregnancy or puerperium. A subcohort of women with SAH is included in this analysis. The temporal connection of SAH to pregnancy and clinical details were verified from patient records. RESULTS The unadjusted incidence of pSAH was 3.21 (95% CI, 2.46-4.13) per 100 000 deliveries. No significant increase occurred in the incidence throughout the study period. However, the age of the mother had a significant increasing effect on the incidence. In total, 77% of patients suffered an aneurysmal pSAH, resulting in death in 16.3% of women and with only 68.2% achieving good recovery (modified Rankin Scale score 0-2) at 3 months. Patients with nonaneurysmal pSAH recovered well. The significant risk factors for pSAH were smoking (odds ratio, 3.27 [1.56-6.86]), prepregnancy hypertension (odds ratio, 12.72 [1.39-116.46]), and pre-eclampsia/eclampsia (odds ratio, 3.88 [1.00-15.05]). CONCLUSIONS The incidence of pSAH has not changed substantially over time in Finland. The majority of pSAH cases were aneurysmal and women with aneurysm had considerable mortality and morbidity. Counseling of pregnant women about smoking cessation and monitoring of blood pressure and symptoms of pre-eclampsia are important interventions to prevent pSAH.
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Affiliation(s)
- Aino Korhonen
- Neurology, University of Helsinki and Helsinki University Hospital, Finland (A.K., L.V., K.A., K.R., A.S., P.I.)
| | - Liisa Verho
- Neurology, University of Helsinki and Helsinki University Hospital, Finland (A.K., L.V., K.A., K.R., A.S., P.I.).,Obstetrics and Gynecology, University of Helsinki and Hyvinkää Hospital, Helsinki University Hospital, Finland (L.V.)
| | - Karoliina Aarnio
- Neurology, University of Helsinki and Helsinki University Hospital, Finland (A.K., L.V., K.A., K.R., A.S., P.I.)
| | - Kirsi Rantanen
- Neurology, University of Helsinki and Helsinki University Hospital, Finland (A.K., L.V., K.A., K.R., A.S., P.I.)
| | - Anna Saaros
- Neurology, University of Helsinki and Helsinki University Hospital, Finland (A.K., L.V., K.A., K.R., A.S., P.I.)
| | - Hannele Laivuori
- Medical and Clinical Genetics, University of Helsinki and Helsinki University Hospital, Finland (H.L.).,Institute for Molecular Medicine Finland, Helsinki Institute of Life Science, University of Helsinki, Finland (H.L.).,Department of Obstetrics and Gynecology, Tampere University Hospital and Tampere University, Faculty of Medicine and Health Technology, Finland (H.L.)
| | - Mika Gissler
- Department of Knowledge Brokers, Finnish Institute for Health and Welfare, Helsinki, Finland (M.G.).,Region Stockholm, Academic Primary Health Care Centre, Sweden and Karolinska Institutet, Department of Molecular Medicine and Surgery, Stockholm, Sweden (M.G.)
| | - Minna Tikkanen
- Obstetrics and Gynecology, University of Helsinki, Finland (M.T.)
| | - Petra Ijäs
- Neurology, University of Helsinki and Helsinki University Hospital, Finland (A.K., L.V., K.A., K.R., A.S., P.I.)
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Alimohammadi E, Ahadi P, Karbasforoushan A, Rahmani S, Bagheri SR, Abdi A. Nontraumatic Nonaneurysmal Subarachnoid Hemorrhage: Risk Factors, Complications, and Clinical Outcomes. INDIAN JOURNAL OF NEUROSURGERY 2021. [DOI: 10.1055/s-0040-1714302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Abstract
Background The present study aimed to investigate the risk factors, complications, and clinical outcomes of patients with nontraumatic, nonaneurysmal subarachnoid hemorrhage (NNSAH).
Methods We retrospectively evaluated 78 consecutive patients with NNSAH admitted to our center between April 2009 and April 2019. Patients were divided into two groups based on the distribution of blood in the CT scan, perimesencephalic subarachnoid hemorrhage ( PM-SAH) and nonperimesencephalic subarachnoid hemorrhage (nPM-SAH) groups. The outcome was assessed according to the Glasgow outcome scale (GOS). The demographic data and clinical records including age, sex, smoking history, hypertension, diabetes, history of anticoagulant medication, Glasgow coma score (GCS), Hunt–Hess (HH) grades, and in-hospital complications and clinical outcomes were retrospectively reviewed and compared between the two groups.
Results There were 45 patients (57.69%) in the PM-SAH group and 33 cases (42.30%) in the nPM-SAH group with the mean age of 53.98 ± 7.7 years. There were no significant differences between the two groups based on age, sex, smoking history, diabetes, hypertension, anticoagulation medication history, and HH grade at admission. The nPM-SAH group was significantly associated with a higher incidence of radiological and clinical vasospasm (p < 0.05). Moreover, the need for external ventricular drainage (EVD) placement because of the development of hydrocephalus was significantly higher in the nPM group (p < 0.05). Patients with PM-SAH had better clinical outcomes than those with nPM-SAH (p = 0.037).
Conclusions Our results showed that patients with nonaneurysmal subarachnoid hemorrhage (NSAH) had favorable clinical outcomes. The PM group had better clinical outcomes and lower complication rates in comparison with the nPM group. Repeated digital subtraction angiography (DSA) examinations are strongly recommended for patients with nPM-SAH.
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Affiliation(s)
- Ehsan Alimohammadi
- Department of Neurosurgery, Kermanshah University of Medical Sciences, Imam Reza Hospital, Kermanshah, Iran
| | - Paniz Ahadi
- Clinical Research Development Center of Taleghani and Imam Ali Hospital, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Ali Karbasforoushan
- Department of Anesthesiology, Kermanshah University of Medical Sciences, Imam Reza Hospital, Kermanshah, Iran
| | - Shamsoddin Rahmani
- Department of Neurosurgery, Kermanshah University of Medical Sciences, Imam Reza Hospital, Kermanshah, Iran
| | - Seyed Reza Bagheri
- Department of Neurosurgery, Kermanshah University of Medical Sciences, Imam Reza Hospital, Kermanshah, Iran
| | - Alireza Abdi
- Nursing and Midwifery School, Kermanshah University of Medical Sciences, Imam Reza Hospital, Kermanshah, Iran
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Are modified Fisher Scale and bleeding pattern helpful predictors of neurological complications in non-aneurysmal subarachnoid hemorrhage? Neuroradiology 2020; 63:253-257. [PMID: 32812071 DOI: 10.1007/s00234-020-02524-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 08/13/2020] [Indexed: 10/23/2022]
Abstract
PURPOSE Non-aneurysmal subarachnoid hemorrhage (NA-SAH) is a clinical-radiological entity with a different prognosis than aneurysmal SAH (A-SAH). The purpose of this study is to assess the predictive value of the modified Fisher Scale (mFS) for neurological complications in patients with this diagnosis. METHODS We recruited patients admitted at our hospital services between 2009 and 2017 who were diagnosed with spontaneous SAH, with either perimesencephalic (PM-SAH) or diffuse pattern (D-SAH), an initial negative angio-CT, and at least one digital subtraction angiography of brain vessels discarding underlying brain aneurysms or other vascular malformations. RESULTS The retrospective observational study included 116 patients. The mean age was 54.4, and the sample included predominantly male subjects (62.9%). Hunt and Hess (HH) scores on admission ranged from 3 to 5 in 18.1% of patients. The prevalence of hydrocephalus requiring ventricular drainage was 18.1%. The prevalence of symptomatic vasospasm was 4.3%. A modified Rankin Scale (mRS) 0-2 at discharge was found in 95.6%. In a multivariate logistic regression for the presence of neurological complications including age, sex, admission HH 3-5 compared with < 3, mFS 4 compared with mFS < 4, D-SAH compared with PM-SAH, and mRS score at discharge of 0-2 compared with > 2, the only significant predictors were mFS 4 compared with mFS < 4 (OR 4.47 (95% CI 1.21, 16.66) p value = 0.03) and D-SAH compared with PM-SAH (OR 7.10 (95% CI 1.24, 40.8) p value = 0.03). CONCLUSION In patients with NA-SAH, a mFS score of 4 and/or a D-SAH bleeding pattern in non-contrast cranial CT on admission predicted the development of relevant neurological complications.
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Alhoobi M, Abu-Qadous F, Khan M, Shaaban A, Shaikh N, Hammadi F, Abu-Jarir R, Albanna W, Alrumaihi G, Belkhair S, Babu AR, Ayyad A. Ten Years' Experiences in the Treatment of Nonaneurysmal Subarachnoid Hemorrhage: A Retrospective Analysis of Outcome Parameters in a Single-Center Study. Asian J Neurosurg 2020; 15:315-321. [PMID: 32656125 PMCID: PMC7335133 DOI: 10.4103/ajns.ajns_315_19] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 01/16/2020] [Indexed: 12/18/2022] Open
Abstract
Objectives: Subarachnoid hemorrhage (SAH) with negative angiographic findings has a heterogeneous nature with variations in clinical course and outcome as compared to the aneurysmal SAH. It makes up to 15% of the spontaneous SAH and is characterized by milder clinical presentation. The purpose of this study was the analyses of risk factors, clinical observations, radiologic characteristics, and outcome in patients with nonaneurysmal SAH (NA-SAH). Patients and Methods: In a retrospective design, 77 consecutive patients with NA-SAH were recruited from May 2008, to October 2018. All patients underwent conventional cerebral angiography. We stratified patients into two groups based on the distribution of blood on their CT scan into perimesencephalic (PM) and non-PM (NPM) SAH. We performed the Outcome using Glasgow Coma Scale (GCS) and modified Rankin scale (favorable mRS 0–2 vs. unfavorable mRS 3–6). Data were analyzed using IBM® SPSS® Statistics V22.0. Results: The mean age at presentation was 48.5 ± 8.4 years with male predominance (71.4%). About 76.7% of the patients had headache and vomiting, most of the patients (75.3%) presented with GCS 15 at initial clinical presentation (61.03%) had NPM versus (38.96%) with PM characters in computed tomography scans. Fourteen (17.9%) patients developed hydrocephalus and 12 (15.3%) needed external ventricular drain placement, while none of the patients needed permanent shunt placement. However, all patients had a favorable clinical and functional outcome at discharge and at late follow-up (up to 3 months). Conclusions: NA-SAH does not affect the short- and long-term prognosis. In our results, the pattern of bleeding affects the initial presentation, clinical course, and complications. The clinical and functional outcomes in the majority of our patients were comparable in both groups with good prognosis. Hypertension, smoking, and elevated venous pressure, such as a history of deep venous thrombosis and asthma might be considered as a risk factor.
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Affiliation(s)
- Mohammed Alhoobi
- Department of Neurosurgery, Hamad Medical Corporation, Doha, Qatar
| | - Fatma Abu-Qadous
- Department of Neurosurgery, Hamad Medical Corporation, Doha, Qatar
| | - Mohsin Khan
- Department of Neurosurgery, Hamad Medical Corporation, Doha, Qatar
| | - Ahmed Shaaban
- Department of Neurosurgery, Hamad Medical Corporation, Doha, Qatar
| | - Nissar Shaikh
- Department of Neurosurgery, Hamad Medical Corporation, Doha, Qatar
| | - Firas Hammadi
- Department of Neurosurgery, Hamad Medical Corporation, Doha, Qatar
| | - Raed Abu-Jarir
- Department of Neurosurgery, Hamad Medical Corporation, Doha, Qatar
| | - Walid Albanna
- Department of Neurosurgery, RWTH, Aachen University, Aachen, Germany
| | - Ghaya Alrumaihi
- Department of Neurosurgery, Hamad Medical Corporation, Doha, Qatar
| | | | - Arun R Babu
- Department of Neurosurgery, Hamad Medical Corporation, Doha, Qatar
| | - Ali Ayyad
- Department of Neurosurgery, Hamad Medical Corporation, Doha, Qatar
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Mohan M, Islim AI, Rasul FT, Rominiyi O, deSouza RM, Poon MTC, Jamjoom AAB, Kolias AG, Woodfield J, Patel K, Chari A, Kirollos R. Subarachnoid haemorrhage with negative initial neurovascular imaging: a systematic review and meta-analysis. Acta Neurochir (Wien) 2019; 161:2013-2026. [PMID: 31410556 PMCID: PMC6739283 DOI: 10.1007/s00701-019-04025-w] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 07/25/2019] [Indexed: 02/07/2023]
Abstract
Background In patients with spontaneous subarachnoid haemorrhage (SAH), a vascular cause for the bleed is not always found on initial investigations. This study aimed to systematically evaluate the delayed investigation strategies and clinical outcomes in these cases, often described as “non-aneurysmal” SAH (naSAH). Methods A systematic review was performed in concordance with the PRISMA checklist. Pooled proportions of primary outcome measures were estimated using a random-effects model. Results Fifty-eight studies were included (4473 patients). The cohort was split into perimesencephalic naSAH (PnaSAH) (49.9%), non-PnaSAH (44.7%) and radiologically negative SAH identified on lumbar puncture (5.4%). The commonest initial vascular imaging modality was digital subtraction angiography. A vascular abnormality was identified during delayed investigation in 3.9% [95% CI 1.9–6.6]. There was no uniform strategy for the timing or modality of delayed investigations. The pooled proportion of a favourable modified Rankin scale outcome (0–2) at 3–6 months following diagnosis was 92.0% [95% CI 86.0–96.5]. Complications included re-bleeding (3.1% [95% CI 1.5–5.2]), hydrocephalus (16.0% [95% CI 11.2–21.4]), vasospasm (9.6% [95% CI 6.5–13.3]) and seizure (3.5% [95% CI 1.7–5.8]). Stratified by bleeding pattern, we demonstrate a higher rate of delayed diagnoses (13.6% [95% CI 7.4–21.3]), lower proportion of favourable functional outcome (87.2% [95% CI 80.1–92.9]) and higher risk of complications for non-PnaSAH patients. Conclusion This study highlights the heterogeneity in delayed investigations and outcomes for patients with naSAH, which may be influenced by the initial pattern of bleeding. Further multi-centre prospective studies are required to clarify optimal tailored management strategies for this heterogeneous group of patients. Electronic supplementary material The online version of this article (10.1007/s00701-019-04025-w) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Midhun Mohan
- Department of Neurosurgery, The Walton Centre NHS Foundation Trust and University of Liverpool, Liverpool, UK
| | - Abdurrahman I Islim
- Department of Neurosurgery, The Walton Centre NHS Foundation Trust and University of Liverpool, Liverpool, UK
| | - Fahid T Rasul
- Department of Neurosurgery, Queen's Hospital, Romford, UK
| | - Ola Rominiyi
- Department of Neurosurgery, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | | | | | - Aimun A B Jamjoom
- Department of Clinical Neurosciences, Western General Hospital, Edinburgh, UK
| | - Angelos G Kolias
- Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge and Addenbrooke's Hospital, Cambridge, UK
| | - Julie Woodfield
- Department of Clinical Neurosciences, Western General Hospital, Edinburgh, UK
| | - Krunal Patel
- Division of Neurosurgery, Krembil Research Institute, Toronto Western Hospital, University Health Network and University of Toronto, Toronto, Canada
| | - Aswin Chari
- Institute of Child Health, University College London, London, UK.
- Department of Neurosurgery, Great Ormond Street Hospital, Great Ormond Street, WC1N 3JH, London, UK.
| | - Ramez Kirollos
- Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge and Addenbrooke's Hospital, Cambridge, UK
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Waweru P, Gatimu SM. Mortality and functional outcomes after a spontaneous subarachnoid haemorrhage: A retrospective multicentre cross-sectional study in Kenya. PLoS One 2019; 14:e0217832. [PMID: 31188844 PMCID: PMC6561561 DOI: 10.1371/journal.pone.0217832] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 05/20/2019] [Indexed: 11/22/2022] Open
Abstract
INTRODUCTION Despite a reduction in poor outcomes in recent decades, spontaneous subarachnoid haemorrhage (SAH) remains associated with severe disability and high mortality rates. The exact extent of these outcomes is however unknown in Africa. This study aimed to determine the mortality and functional outcomes of patients with SAH in Kenya. METHODS We conducted a retrospective multicentre cross-sectional study involving patients admitted with SAH to three referral hospitals in Nairobi. All patients with a confirmed (primary) discharge diagnosis of first-time SAH between January 2009 and November 2017 were included (n = 158). Patients who had prior head trauma or cerebrovascular disease (n = 53) were excluded. Telephone interviews were conducted with surviving patients or their next of kin to assess out-of-hospital outcomes (including functional outcomes) based on modified Rankin Scale (mRS) scores. Chi-square and Fisher's exact tests were used to assess associations between mortality and functional outcomes and sample characteristics. RESULTS Of the 158 patients sampled, 38 (24.1%) died in hospital and 42 (26.6%) died within 1 month. In total, 87 patients were discharged home and followed-up in this study, of which 72 reported favourable functional outcomes (mRS ≤2). This represented 45.6% of all patients who presented alive, pointing to high numbers of unfavourable outcomes post SAH in Kenya. CONCLUSIONS Mortality following SAH remains high in Kenya. Patients who survive the initial ictus tend to do well after treatment, despite resource constraints. LIMITATIONS The study findings should be interpreted with caution because of unavoidable limitations in the primary data. These include its retrospective nature, the high number of patients lost to follow up, missing records and diagnoses, and/or possible miscoding of cases.
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Affiliation(s)
- Peter Waweru
- Neurosurgery Department, M.P Shah Hospital, Nairobi, Kenya
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Tulla M, Tillgren T, Mattila K. Is there a role for lumbar puncture in early detection of subarachnoid hemorrhage after negative head CT? Intern Emerg Med 2019; 14:451-457. [PMID: 30474789 DOI: 10.1007/s11739-018-1982-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 11/13/2018] [Indexed: 10/27/2022]
Abstract
To investigate the role of lumbar puncture (LP) after a negative head computed tomography (CT) when ruling out subarachnoid hemorrhage (SAH) within 24 h of symptom onset. In a single-center, retrospective cohort study, we studied a consecutive series of patients from 2011 to 2015. All patients underwent CT or CT following LP to rule out SAH. Patients were categorized into four groups depending on the time of symptom onset to initial head CT: 0-6 h, 6-12 h, 12-24 h, and over 24 h. Experienced radiologists interpreted all CT scans. We investigated the sensitivity, specificity, and negative predictive value (NPV) of noncontrast CT in detecting SAH. Of 539 patients with suspected SAH and negative CT, 280 (51.9%) had their CT performed within 24 h of symptom onset. None of these patients had SAH. Five (1.9%) out of 259 patients with CT performed after 24 h of symptom onset had SAH diagnosed, and two turned out to be aneurysmal. When CT was performed within 24 h of symptom onset it had a sensitivity of 100% (95% CI 95-100%), specificity of 98% (95% CI 96-99.7%), and NPV of 100% (95% CI 98-100%) in detecting SAH. Modern CT scanners seem to have high sensitivity and specificity in the diagnosis of SAH when performed within 24 h of symptom onset. Beyond this point, CT seems to lack sensitivity and further investigation with LP is required.
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Affiliation(s)
- Matti Tulla
- Emergency Department, Central Finland Central Hospital, Jyväskylä, Finland.
| | - Tessa Tillgren
- Emergency Department, Central Finland Central Hospital, Jyväskylä, Finland
| | - Kalle Mattila
- Emergency Department, Turku University Hospital, Turku, Finland
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10
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Lee SU, Hong EP, Kim BJ, Kim SE, Jeon JP. Delayed Cerebral Ischemia and Vasospasm After Spontaneous Angiogram-Negative Subarachnoid Hemorrhage: An Updated Meta-Analysis. World Neurosurg 2018; 115:e558-e569. [PMID: 29689403 DOI: 10.1016/j.wneu.2018.04.096] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Revised: 04/12/2018] [Accepted: 04/13/2018] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To report clinical outcomes of delayed cerebral ischemia (DCI) and vasospasm in angiogram-negative subarachnoid hemorrhage (SAH) according to hemorrhage patterns, perimesencephalic hemorrhage (PMH) and non-PMH. METHODS Online databases from January 1990 to December 2017 were systematically reviewed. A fixed-effects model was used to control heterogeneity. To resolve publication bias, the trim and fill method was used to estimate number of missing studies and adjusted odds ratio (OR). Subgroup analysis of data from studies that defined angiogram-negative subarachnoid hemorrhage by angiography repeated at least twice or computed tomography angiography was performed. RESULTS Among 24 studies including 2083 patients, 23/985 patients (2.3%) with PMH and 144/1098 patients (13.1%) with non-PMH had DCI, indicating that patients with PMH experienced significantly lower DCI than patients with non-PMH (OR = 0.219; 95% confidence interval [CI], 0.144-0.334). Regarding vasospasm, 99/773 patients (12.8%) with PMH and 231/922 patients (25.1%) with non-PMH exhibited vasospasm, indicating that patients with PMH experienced significantly lower vasospasm than patients with non-PMH (OR = 0.445; 95% CI, 0.337-0.589). Funnel plots show asymmetry indicating possible publication bias. After trimming 10 studies for DCI and 7 for vasospasm, the adjusted ORs remained significant between PMH and lower risks of DCI and vasospasm. Subgroup analysis of 789 patients in 8 studies showed a lower risk of DCI (OR = 0.268; 95% CI, 0.151-0.473) and vasospasm (OR = 0.346; 95% CI, 0.221-0.538) in patients with PMH. CONCLUSIONS PMH showed a significantly lower risk of DCI and vasospasm than non-PMH. Clinical outcomes of angiogram-negative subarachnoid hemorrhage, based on meta-analysis of individual patient data, need to be investigated.
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Affiliation(s)
- Si Un Lee
- Department of Neurosurgery, Seoul National University Bundang Hospital, Seoul, Korea
| | - Eun Pyo Hong
- Department of Medical Genetics, Hallym University College of Medicine, Chuncheon, Korea
| | - Bong Jun Kim
- Institute of New Frontier Research, Hallym University College of Medicine, Chuncheon, Korea
| | - Sung-Eun Kim
- Department of Emergency Medicine, Seoul Emergency Operations Center, Seoul, Korea
| | - Jin Pyeong Jeon
- Institute of New Frontier Research, Hallym University College of Medicine, Chuncheon, Korea; Department of Neurosurgery, Hallym University College of Medicine, Chuncheon, Korea.
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Konczalla J, Kashefiolasl S, Brawanski N, Bruder M, Gessler F, Senft C, Berkefeld J, Seifert V, Tritt S. Cerebral Vasospasm-Dependent and Cerebral Vasospasm-Independent Cerebral Infarctions Predict Outcome After Nonaneurysmal Subarachnoid Hemorrhage: A Single-Center Series with 250 Patients. World Neurosurg 2017; 106:861-869.e4. [PMID: 28711533 DOI: 10.1016/j.wneu.2017.07.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Revised: 06/30/2017] [Accepted: 07/03/2017] [Indexed: 12/28/2022]
Abstract
OBJECTIVE The number of patients with nonaneurysmal subarachnoid hemorrhage (naSAH) has increased during the last decade. Data regarding infarctions in naSAH are still limited. The aim of this study was to identify the rate of cerebral vasospasm (CVS)-dependent and CVS-independent infarctions and their influence on clinical outcomes. METHODS Between 1999 and 2015, 250 patients suffering from naSAH were analyzed retrospectively. A delayed infarction was analyzed whether it was associated with CVS (CVS-dependent infarction) or not (CVS-independent). RESULTS A total of 36 patients (14%) had cerebral infarctions. CVS was detected in 54 patients (22%), and 15 (6%) of them developed infarctions (CVS-dependent). Infarctions without signs of CVS (CVS-independent) occurred in 21 patients (8%). Overall, 86% of the patients had favorable outcome. Patients without cerebral infarctions had the best outcome (91% favorable outcome, 5% mortality rate). Patients with CVS-independent infarctions (57%) as well as patients with CVS-dependent infarctions (53%) had a favorable outcome less often. The mortality rate was also significantly greater in patients with CVS-independent (19%) and CVS-dependent infarctions (33%). A further independent predictor was anticoagulative therapy, which increased during study period and was associated with nonperimesencephalic blood distribution. CONCLUSIONS CVS-dependent and independent infarctions occur in naSAH and contribute to unfavorable outcomes. Whereas CVS-independent infarctions occur in any subgroup, CVS-dependent infarctions seem to be associated with blood pattern (Fisher 3). Anticoagulative therapy seems to be not only a predictor for worse outcome but also for nonperimesencephalic SAH. Accordingly, the proportion of perimesencephalic and nonperimesencephalic SAH changed during the study period (from 2.2:1 to 1:1.7).
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Affiliation(s)
- Juergen Konczalla
- Department of Neurosurgery, Goethe-University Hospital, Frankfurt am Main, Germany.
| | - Sepide Kashefiolasl
- Department of Neurosurgery, Goethe-University Hospital, Frankfurt am Main, Germany
| | - Nina Brawanski
- Department of Neurosurgery, Goethe-University Hospital, Frankfurt am Main, Germany
| | - Markus Bruder
- Department of Neurosurgery, Goethe-University Hospital, Frankfurt am Main, Germany
| | - Florian Gessler
- Department of Neurosurgery, Goethe-University Hospital, Frankfurt am Main, Germany
| | - Christian Senft
- Department of Neurosurgery, Goethe-University Hospital, Frankfurt am Main, Germany
| | - Joachim Berkefeld
- Institute of Neuroradiology, Goethe-University Hospital, Frankfurt am Main, Germany
| | - Volker Seifert
- Department of Neurosurgery, Goethe-University Hospital, Frankfurt am Main, Germany
| | - Stephanie Tritt
- Institute of Neuroradiology, Goethe-University Hospital, Frankfurt am Main, Germany
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Lago A, López-Cuevas R, Tembl JI, Fortea G, Górriz D, Aparici F, Parkhutik V. Short- and long-term outcomes in non-aneurysmal non-perimesencephalic subarachnoid hemorrhage. Neurol Res 2016; 38:692-7. [PMID: 27338138 DOI: 10.1080/01616412.2016.1200306] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
OBJECTIVE Our aim was to assess the short- and long-term prognosis in patients suffering from non-aneurysmal non-perimesencephalic SAH (Na-NPM-SAH). METHODS Based on admission CT-scan, SAH was categorized as perimesencephalic (PM) or non-perimesencephalic (NPM). Based on digital subtraction angiography (DSA) results, patients were classified as normal DSA (Na-SAH) or aneurysmal SAH (aSAH). Between 1997 and 2010, 67 of 571 patients with non-traumatic SAH (11.7%) suffered from non-aneurysmal non-perimesencephalic SAH. Retrospective analyses of the 67 patients were undertaken, and compared with the aneurysmal SAH group. Long-term follow-up was assessed. RESULTS The cohort consisted of 67 Na-NPM-SAH patients, mean age 54.8 years (range: 21-84), 56.7% male. Acute phase: 10.4% mortality and 3% rebleeding (two patients) during the acute phase. Long-term: extensive follow-up was possible in all except one of the survivors at discharge. Mortality was 6.6% during the 510 patient-years follow-up period (median follow-up time per patient, 8.95 years); rebleeding rate was 0-1.6%. An aneurysmal source was found in 13% of patients who underwent a second angiography. Aneurysmal SAH: 312 patients, with confirmed aneurysm by angiography. The mortality rate for Na-NPM-SAH during the acute phase was 10.4%, vs. 20% for aneurysmal SAH in the general database, p = 0.049. DISCUSSION Na-NPM-SAH patients without an identifiable bleeding source on initial angiography might have a more benign short- and long-term prognosis than aneurysmal SAH patients. Our study confirms an important diagnostic advantage of a second arteriography. Still, despite the major concern of an undetected aneurysm, the long-term rebleeding rate was low in this subgroup of patients.
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Affiliation(s)
- Aida Lago
- a Department of Neurology , HU La Fe , Valencia , Spain
| | | | | | | | - David Górriz
- a Department of Neurology , HU La Fe , Valencia , Spain
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Boerboom W, van Zandvoort MJE, van Kooten F, Khajeh L, Visser-Meily JMA, Ribbers GM, Heijenbrok-Kal MH. Long-term fatigue after perimesencephalic subarachnoid haemorrhage in relation to cognitive functioning, mood and comorbidity. Disabil Rehabil 2016; 39:928-933. [DOI: 10.3109/09638288.2016.1172671] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Wendy Boerboom
- Rijndam Rehabilitation Center, Rotterdam, The Netherlands
- Department of Rehabilitation Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Martine J. E. van Zandvoort
- Department of Neurology, Brain Center Rudolf Magnus Institute, & Experimental Psychology, Helmholtz Institute, University Medical Center Utrecht, The Netherlands
| | - Fop van Kooten
- Department of Neurology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Ladbon Khajeh
- Department of Neurology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Johanna M. A. Visser-Meily
- Brain Center Rudolf Magnus Institute, Center of Excellence for Rehabilitation Medicine, University Medical Center Utrecht and De Hoogstraat Rehabilitation, Utrecht, The Netherlands
| | - Gerard M. Ribbers
- Rijndam Rehabilitation Center, Rotterdam, The Netherlands
- Department of Rehabilitation Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Majanka H. Heijenbrok-Kal
- Rijndam Rehabilitation Center, Rotterdam, The Netherlands
- Department of Rehabilitation Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
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Ellis JA, McDowell MM, Mayer SA, Lavine SD, Meyers PM, Connolly ES. The role of antiplatelet medications in angiogram-negative subarachnoid hemorrhage. Neurosurgery 2015; 75:530-5; discussion 534-5. [PMID: 25072111 DOI: 10.1227/neu.0000000000000490] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND The use of antiplatelet medications has greatly expanded and this has been associated with an increased rate of complications after aneurysmal subarachnoid hemorrhage (SAH). The influence of antiplatelet medications on outcomes after non-aneurysmal SAH is unknown. OBJECTIVE To analyze the frequency and impact on outcome of antiplatelet medication use among patients with angiogram-negative SAH. METHODS An analysis of patients within the Columbia University SAH Outcomes Project database was performed. All patients who underwent catheter cerebral angiography after presenting with nontraumatic SAH between 1996 and 2013 were included. Outcomes were assessed by using the modified Rankin Scale. RESULTS A total of 1351 patients underwent catheter angiography for evaluation of SAH. Of these, 173 (13%) were designated angiogram-negative. The fraction of patients presenting with angiogram-negative SAH as well as the frequency of antiplatelet use among these patients significantly increased during the study period. Antiplatelet use was more commonly associated with angiogram-negative SAH than with angiogram-positive SAH (27% vs 14%, P = .001). At 14 days after presentation, poor outcome was significantly more frequent among patients who took antiplatelet agents than among those who did not (38% vs 20%, P = .017). This effect was also seen after multivariate analysis (odds ratio, 2.58; P = .034), although no difference was observed by 12 months (P > .05). CONCLUSION Antiplatelet medication use is associated with poor early, but not late, outcomes after angiogram-negative SAH. Corresponding increased rates of antiplatelet medication use and angiogram-negative SAH may be related. Additional studies are needed to confirm this association.
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Affiliation(s)
- Jason A Ellis
- *Department of Neurological Surgery, Columbia University Medical Center, New York, New York; and ‡Institute for Critical Care Medicine, Icahn School of Medicine at Mount Sinai, New York, New York
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15
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Konczalla J, Schmitz J, Kashefiolasl S, Senft C, Seifert V, Platz J. Non-aneurysmal subarachnoid hemorrhage in 173 patients: a prospective study of long-term outcome. Eur J Neurol 2015; 22:1329-36. [PMID: 26130053 DOI: 10.1111/ene.12762] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Accepted: 04/27/2015] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND PURPOSE In some patients with subarachnoid hemorrhage (SAH) a bleeding source cannot be identified. Perimesencephalic (PM) SAH is assumed to have an excellent outcome. Our objective was to analyze the long-term physical and psychological outcome of patients after non-aneurysmal SAH. METHODS One hundred and seventy-three patients met the inclusion criteria. Short-term follow-up 6 months after SAH was assessed according to the modified Rankin Scale (0-2 favorable). A short-form health survey with 36 questions (SF-36) and eight scales was used as questionnaire for long-term follow-up. RESULTS Thirty-seven answers were received from the two groups, PM and non-perimesencephalic (NPM) SAH, on average 76 months after ictus (range 1.5-14 years). PM- and NPM-SAH without Fisher grade 3 blood pattern have excellent short-term outcomes. The quality of life (QoL) is significantly reduced after non-aneurysmal SAH, especially in NPM-SAH. In particular, patients with a Fisher 3 blood pattern had significantly higher risks for cerebral vasospasm, delayed cerebral ischaemia, unfavorable outcome, reduced QoL and mortality in short- and long-term follow-up. CONCLUSIONS Excluding rolph, only patients with a PM-SAH have a similar QoL at long-term follow-up compared to the standard population. Patients with NPM-SAH have a significantly decreased QoL in long-term follow-up. Furthermore, the Fisher 3 blood pattern group in particular had a significantly worse outcome - at short-term and long-term follow-up. Therefore the NPM-SAH group was stratified into patients with Fisher 3 blood pattern and patients without Fisher 3 in further investigations.
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Affiliation(s)
- J Konczalla
- Department of Neurosurgery, Goethe-University Hospital, Frankfurt am Main, Germany
| | - J Schmitz
- Department of Neurosurgery, Goethe-University Hospital, Frankfurt am Main, Germany
| | - S Kashefiolasl
- Department of Neurosurgery, Goethe-University Hospital, Frankfurt am Main, Germany
| | - C Senft
- Department of Neurosurgery, Goethe-University Hospital, Frankfurt am Main, Germany
| | - V Seifert
- Department of Neurosurgery, Goethe-University Hospital, Frankfurt am Main, Germany
| | - J Platz
- Department of Neurosurgery, Goethe-University Hospital, Frankfurt am Main, Germany
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Wenz H, Ehrlich G, Wenz R, al Mahdi MM, Scharf J, Groden C, Schmiedek P, Seiz-Rosenhagen M. MR angiography follow-up 10 years after cryptogenic nonperimesencephalic subarachnoid hemorrhage. PLoS One 2015; 10:e0117925. [PMID: 25688554 PMCID: PMC4331285 DOI: 10.1371/journal.pone.0117925] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Accepted: 01/05/2015] [Indexed: 11/23/2022] Open
Abstract
Objectives Long-term magnetic resonance angiography (MRA) follow-up studies regarding cryptogenic nonperimesencephalic subarachnoid hemorrhage (nSAH) are scarce. This single-centre study identified all patients with angiographically verified cryptogenic nSAH from 1998 to 2007: The two main objectives were to prospectively assess the incidence of de novo aneurysm with 3.0-MRI years after cryptogenic nSAH in patients without evidence for further hemorrhage, and retrospectively assess patient demographics and outcome. Methods From prospectively maintained report databases all patients with angiographically verified cryptogenic nSAH were identified. 21 of 29 patients received high-resolution 3T-MRI including time-of-flight and contrast-enhanced angiography, 10.2 ± 2.8 years after cryptogenic nSAH. MRA follow-up imaging was compared with initial digital subtraction angiography (DSA) and CT/MRA. Post-hemorrhage images were related to current MRI with reference to persistent lesions resulting from delayed cerebral ischemia (DCI) and post-hemorrhagic siderosis. Patient-based objectives were retrospectively abstracted from clinical databases. Results 29 patients were identified with cryptogenic nSAH, 17 (59%) were male. Mean age at time of hemorrhage was 52.9 ± 14.4 years (range 4 – 74 years). 21 persons were available for long-term follow-up. In these, there were 213.5 person years of MRI-follow-up. No de novo aneurysm was detected. Mean modified Rankin Scale (mRS) during discharge was 1.28. Post-hemorrhage radiographic vasospasm was found in three patients (10.3%); DCI-related lesions occurred in one patient (3.4%). Five patients (17.2%) needed temporary external ventricular drainage; long-term CSF shunt dependency was necessary only in one patient (3.4%). Initial DSA retrospectively showed a 2 x 2 mm aneurysm of the right distal ICA in one patient, which remained stable. Post-hemorrhage siderosis was detected 8.1 years after the initial bleeding in one patient (4.8%). Conclusion Patients with cryptogenic nSAH have favourable outcomes and do not exhibit higher risks for de novo aneurysms. Therefore the need for long-term follow up after cryptogenic nSAH is questionable.
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Affiliation(s)
- Holger Wenz
- University Medical Center Mannheim, University of Heidelberg, Department of Neuroradiology, Mannheim, Germany
- * E-mail:
| | - Gregory Ehrlich
- University Medical Center Mannheim, University of Heidelberg, Department of Neurosurgery, Mannheim, Germany
| | - Ralf Wenz
- University Medical Center Mannheim, University of Heidelberg, Department of Neuroradiology, Mannheim, Germany
| | - Mohamad-Motaz al Mahdi
- University Medical Center Mannheim, University of Heidelberg, Department of Neurosurgery, Mannheim, Germany
| | - Johann Scharf
- University Medical Center Mannheim, University of Heidelberg, Department of Neuroradiology, Mannheim, Germany
| | - Christoph Groden
- University Medical Center Mannheim, University of Heidelberg, Department of Neuroradiology, Mannheim, Germany
| | - Peter Schmiedek
- University Medical Center Mannheim, University of Heidelberg, Department of Neurosurgery, Mannheim, Germany
| | - Marcel Seiz-Rosenhagen
- University Medical Center Mannheim, University of Heidelberg, Department of Neurosurgery, Mannheim, Germany
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Konczalla J, Platz J, Schuss P, Vatter H, Seifert V, Güresir E. Non-aneurysmal non-traumatic subarachnoid hemorrhage: patient characteristics, clinical outcome and prognostic factors based on a single-center experience in 125 patients. BMC Neurol 2014; 14:140. [PMID: 24986457 PMCID: PMC4088361 DOI: 10.1186/1471-2377-14-140] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Accepted: 06/26/2014] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Subarachnoid hemorrhage (SAH) is mainly caused by ruptured cerebral aneurysms but in up to 15% of patients with SAH no bleeding source could be identified. Our objective was to analyze patient characteristics, clinical outcome and prognostic factors in patients suffering from non-aneurysmal SAH. METHODS From 1999 to 2009, data of 125 patients with non-aneurysmal SAH were prospectively entered into a database. All patients underwent repetitive cerebral angiography. Outcome was assessed according to the modified Rankin Scale (mRS) (mRS 0-2 favorable vs. 3-6 unfavorable). Also, patients were divided in two groups according to the distribution of blood in the CT scan (perimesencephalic and non-perimesencephalic SAH). RESULTS 106 of the 125 patients were in good WFNS grade (I-III) at admission (85%). Overall, favorable outcome was achieved in 104 of 125 patients (83%). Favorable outcome was associated with younger age (P < 0.001), good admission status (P < 0.0001), and absence of hydrocephalus (P = 0.001).73 of the 125 patients suffered from perimesencephalic SAH, most patients (90%) were in good grade at admission, and 64 achieved favorable outcome.52 of the 125 patients suffered from non-perimesencephalic SAH and 40 were in good grade at admission. Also 40 patients achieved favorable outcome. CONCLUSIONS Patients suffering from non-aneurysmal SAH have better prognosis compared to aneurysm related SAH and poor admission status was the only independent predictor of unfavorable outcome in the multivariate analysis. Patients with a non-perimesencephalic SAH have an increased risk of a worse neurological outcome. These patients should be monitored attentively.
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Affiliation(s)
- Juergen Konczalla
- Department of Neurosurgery, Johann Wolfgang Goethe-University Frankfurt am Main, Schleusenweg 2-16, 60528 Frankfurt am Main, Germany.
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Wenz H, Al Mahdi MM, Ehrlich G, Scharf J, Schmiedek P, Seiz M. De novo aneurysm of the anterior communicating artery presenting with subarachnoid hemorrhage 7 years after initial cryptogenic subarachnoid hemorrhage: a case report and review of the literature. Clin Neuroradiol 2014; 25:93-7. [PMID: 24384679 DOI: 10.1007/s00062-013-0278-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2013] [Accepted: 12/12/2013] [Indexed: 11/25/2022]
Abstract
Spontaneous subarachnoid hemorrhage (SAH) is usually caused by a ruptured cerebral aneurysm. Despite the use of initial four-vessel cerebral digital subtraction angiography (DSA), 15 % of all cases remain idiopathic. According to the initial computed tomographic scan, the spontaneous SAH can be divided into a perimesencephalic group associated with a benign nature and a nonperimesencephalic group with a similar clinical course as aneurysmal SAH. We present a case of a 49-year-old man with a de novo aneurysm formation of the anterior communicating artery with SAH 7 years after initial cryptogenic nonperimesencephalic SAH. This observation suggests that in some cases, long-term angiographic studies might be justified.
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Affiliation(s)
- H Wenz
- Department of Neuroradiology, University Medical Center Mannheim, University of Heidelberg, Mannheim, Germany,
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Thanabalasundaram G, Hernández-Durán S, Leslie-Mazwi T, Ogilvy CS. Cortical non-aneurysmal subarachnoid hemorrhage post-carotid endarterectomy: a case report and literature review. SPRINGERPLUS 2013; 2:571. [PMID: 24255864 PMCID: PMC3824702 DOI: 10.1186/2193-1801-2-571] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Accepted: 10/15/2013] [Indexed: 11/10/2022]
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Maslehaty H, Barth H, Petridis AK, Doukas A, Maximilian Mehdorn H. Special features of subarachnoid hemorrhage of unknown origin: a review of a series of 179 cases. Neurol Res 2013; 34:91-7. [DOI: 10.1179/1743132811y.0000000025] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Affiliation(s)
- Homajoun Maslehaty
- Department of NeurosurgeryUniversity Hospitals Schleswig-Holstein, Campus Kiel, Germany
| | - Harald Barth
- Department of NeurosurgeryUniversity Hospitals Schleswig-Holstein, Campus Kiel, Germany
| | | | - Alexandros Doukas
- Department of NeurosurgeryUniversity Hospitals Schleswig-Holstein, Campus Kiel, Germany
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Dalbjerg SM, Larsen CC, Romner B. Risk factors and short-term outcome in patients with angiographically negative subarachnoid hemorrhage. Clin Neurol Neurosurg 2013; 115:1304-7. [DOI: 10.1016/j.clineuro.2012.12.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2012] [Revised: 11/16/2012] [Accepted: 12/09/2012] [Indexed: 10/27/2022]
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KANAMORI M, TOMITA T, SASAKI T, MURAKAMI K, TAKAHASHI N, KAKEHATA S, KUROTAKI H, NISHIJIMA M. Subarachnoid Hemorrhage in a Patient With a Meningioma and an Unruptured Aneurysm. Neurol Med Chir (Tokyo) 2013; 53:343-6. [DOI: 10.2176/nmc.53.343] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
| | - Takahiro TOMITA
- Department of Neurosurgery, Aomori Prefectural Central Hospital
| | - Tatsuya SASAKI
- Department of Neurosurgery, Aomori Prefectural Central Hospital
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