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Sluis WM, Linschoten M, Buijs JE, Biesbroek JM, den Hertog HM, Ribbers T, Nieuwkamp DJ, van Houwelingen RC, Dias A, van Uden IW, Kerklaan JP, Bienfait HP, Vermeer SE, de Jong SW, Ali M, Wermer MJ, de Graaf MT, Brouwers PJ, Asselbergs FW, Kappelle LJ, van der Worp HB, Algra AM. Risk, Clinical Course, and Outcome of Ischemic Stroke in Patients Hospitalized With COVID-19: A Multicenter Cohort Study. Stroke 2021; 52:3978-3986. [PMID: 34732073 PMCID: PMC8607920 DOI: 10.1161/strokeaha.121.034787] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 06/03/2021] [Accepted: 06/21/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND PURPOSE The frequency of ischemic stroke in patients with coronavirus disease 2019 (COVID-19) varies in the current literature, and risk factors are unknown. We assessed the incidence, risk factors, and outcomes of acute ischemic stroke in hospitalized patients with COVID-19. METHODS We included patients with a laboratory-confirmed SARS-CoV-2 (severe acute respiratory syndrome coronavirus-2) infection admitted in 16 Dutch hospitals participating in the international CAPACITY-COVID registry between March 1 and August 1, 2020. Patients were screened for the occurrence of acute ischemic stroke. We calculated the cumulative incidence of ischemic stroke and compared risk factors, cardiovascular complications, and in-hospital mortality in patients with and without ischemic stroke. RESULTS We included 2147 patients with COVID-19, of whom 586 (27.3%) needed treatment at an intensive care unit. Thirty-eight patients (1.8%) had an ischemic stroke. Patients with stroke were older but did not differ in sex or cardiovascular risk factors. Median time between the onset of COVID-19 symptoms and diagnosis of stroke was 2 weeks. The incidence of ischemic stroke was higher among patients who were treated at an intensive care unit (16/586; 2.7% versus nonintensive care unit, 22/1561; 1.4%; P=0.039). Pulmonary embolism was more common in patients with (8/38; 21.1%) than in those without stroke (160/2109; 7.6%; adjusted risk ratio, 2.08 [95% CI, 1.52-2.84]). Twenty-seven patients with ischemic stroke (71.1%) died during admission or were functionally dependent at discharge. Patients with ischemic stroke were at a higher risk of in-hospital mortality (adjusted risk ratio, 1.56 [95% CI, 1.13-2.15]) than patients without stroke. CONCLUSIONS In this multicenter cohort study, the cumulative incidence of acute ischemic stroke in hospitalized patients with COVID-19 was ≈2%, with a higher risk in patients treated at an intensive care unit. The majority of stroke patients had a poor outcome. The association between ischemic stroke and pulmonary embolism warrants further investigation.
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Affiliation(s)
- Wouter M. Sluis
- Department of Neurology and Neurosurgery, UMC Utrecht Brain Center (W.M.S., L.J.K., H.B.v.d.W., A.M.A.), University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Marijke Linschoten
- Department of Cardiology, Division of Heart and Lungs (M.L., F.W.A.), University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Julie E. Buijs
- Department of Neurology, Spaarne Gasthuis, Haarlem/Hoofddorp, the Netherlands (J.E.B.)
| | - J. Matthijs Biesbroek
- Department of Neurology, Diakonessenhuis Hospital, Utrecht, the Netherlands (J.M.B.)
| | | | - Tessa Ribbers
- Department of Neurology, Jeroen Bosch Hospital, ‘s Hertogenbosch, the Netherlands (T.R., D.J.N.)
| | - Dennis J. Nieuwkamp
- Department of Neurology, Jeroen Bosch Hospital, ‘s Hertogenbosch, the Netherlands (T.R., D.J.N.)
| | | | - Andreas Dias
- Department of Neurology, Ikazia Hospital, Rotterdam, the Netherlands (A.D.)
| | | | - Joost P. Kerklaan
- Department of Neurology, St. Antonius Hospital, Nieuwegein, the Netherlands (J.P.K.)
| | - H. Paul Bienfait
- Department of Neurology, Gelre Hospital, Apeldoorn, the Netherlands (H.P.B.)
| | - Sarah E. Vermeer
- Department of Neurology, Rijnstate Hospital, Arnhem, the Netherlands (S.E.V.)
| | - Sonja W. de Jong
- Department of Neurology, St. Jansdal Hospital, Harderwijk, the Netherlands (S.W.d.J.)
| | - Mariam Ali
- Department of Neurology, Amsterdam UMC, Vrije Universiteit Amsterdam, the Netherlands (M.A.)
| | - Marieke J.H. Wermer
- Department of Neurology, Leiden University Medical Center, the Netherlands (M.J.H.W.)
| | - Marieke T. de Graaf
- Department of Neurology, Zaans Medisch Centrum, Zaandam, the Netherlands (M.T.d.G.)
| | - Paul J.A.M. Brouwers
- Department of Neurology, Medisch Spectrum Twente, Enschede, the Netherlands (P.J.A.M.B.)
| | - Folkert W. Asselbergs
- Department of Cardiology, Division of Heart and Lungs (M.L., F.W.A.), University Medical Center Utrecht, Utrecht University, the Netherlands
- Institute of Cardiovascular Science, Faculty of Population Health Sciences (F.W.A.), University College London, United Kingdom
- Health Data Research UK and Institute of Health Informatics (F.W.A.), University College London, United Kingdom
| | - L. Jaap Kappelle
- Department of Neurology and Neurosurgery, UMC Utrecht Brain Center (W.M.S., L.J.K., H.B.v.d.W., A.M.A.), University Medical Center Utrecht, Utrecht University, the Netherlands
| | - H. Bart van der Worp
- Department of Neurology and Neurosurgery, UMC Utrecht Brain Center (W.M.S., L.J.K., H.B.v.d.W., A.M.A.), University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Annemijn M. Algra
- Department of Neurology and Neurosurgery, UMC Utrecht Brain Center (W.M.S., L.J.K., H.B.v.d.W., A.M.A.), University Medical Center Utrecht, Utrecht University, the Netherlands
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Gieselbach RJ, Muller-Hansma AH, Wijburg MT, de Bruin-Weller MS, van Oosten BW, Nieuwkamp DJ, Coenjaerts FE, Wattjes MP, Murk JL. Erratum to: Progressive multifocal leukoencephalopathy in patients treated with fumaric acid esters: a review of 19 cases. J Neurol 2017; 264:1833-1836. [PMID: 28711999 DOI: 10.1007/s00415-017-8557-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Robbert-Jan Gieselbach
- Department of Medical Microbiology and Infection Control, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Martijn T Wijburg
- Department of Neurology, Neuroscience Amsterdam, VUmc MS Center Amsterdam, VU University Medical Center, Amsterdam, The Netherlands.,Department of Radiology and Nuclear Medicine, Neuroscience Amsterdam, VUmc MS Center Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
| | | | - Bob W van Oosten
- Department of Neurology, Neuroscience Amsterdam, VUmc MS Center Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
| | - Dennis J Nieuwkamp
- Department of Neurology, Jeroen Bosch Hospital, 's-Hertogenbosch, The Netherlands
| | - Frank E Coenjaerts
- Department of Medical Microbiology and Infection Control, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Mike P Wattjes
- Department of Radiology and Nuclear Medicine, Neuroscience Amsterdam, VUmc MS Center Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
| | - Jean-Luc Murk
- Laboratory of Medical Microbiology and Immunology, St. Elisabeth Hospital Tilburg, Tilburg, The Netherlands. .,Laboratory of Medical Microbiology and Immunology, St. Elisabeth TweeSteden ziekenhuis (ETZ), Hilvarenbeekseweg 60, 5022 GC, Tilburg, The Netherlands.
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Gieselbach RJ, Muller-Hansma AH, Wijburg MT, de Bruin-Weller MS, van Oosten BW, Nieuwkamp DJ, Coenjaerts FE, Wattjes MP, Murk JL. Progressive multifocal leukoencephalopathy in patients treated with fumaric acid esters: a review of 19 cases. J Neurol 2017; 264:1155-1164. [PMID: 28536921 DOI: 10.1007/s00415-017-8509-9] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 05/03/2017] [Accepted: 05/05/2017] [Indexed: 11/25/2022]
Abstract
Progressive multifocal leukoencephalopathy (PML) is a rare and potentially fatal condition caused by a brain infection with JC polyomavirus (JCV). PML develops almost exclusively in immunocompromised patients and has recently been associated with use of fumaric acid esters (FAEs), or fumarates. We reviewed the literature and the Dutch and European pharmacovigilance databases in order to identify all available FAE-associated PML cases and distinguish possible common features among these patients. A total of 19 PML cases associated with FAE use were identified. Five cases were associated with FAE use for multiple sclerosis and 14 for psoriasis. Ten patients were male and nine were female. The median age at PML diagnosis was 59 years. The median duration of FAE therapy to PML symptom onset or appearance of first PML lesion on brain imaging was 31 months (range 6-110). In all cases a certain degree of lymphocytopenia was reported. The median duration of lymphocytopenia to PML symptom onset was 23 months (range 6-72). The median lymphocyte count at PML diagnosis was 414 cells/µL. CD4 and CD8 counts were reported in ten cases, with median cell count of 137 and 39 cells/µL, respectively. Three patients died (16% mortality). The association between occurrence of PML in patients with low CD4 and CD8 counts is reminiscent of PML cases in the HIV population and suggests that loss of T cells is the most important risk factor.
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Affiliation(s)
- Robbert-Jan Gieselbach
- Department of Medical Microbiology and Infection Control, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Martijn T Wijburg
- Department of Neurology, Neuroscience Amsterdam, VUmc MS Center Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
- Department of Radiology and Nuclear Medicine, Neuroscience Amsterdam, VUmc MS Center Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
| | | | - Bob W van Oosten
- Department of Neurology, Neuroscience Amsterdam, VUmc MS Center Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
| | - Dennis J Nieuwkamp
- Department of Neurology, Jeroen Bosch Hospital, 's-Hertogenbosch, The Netherlands
| | - Frank E Coenjaerts
- Department of Medical Microbiology and Infection Control, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Mike P Wattjes
- Department of Radiology and Nuclear Medicine, Neuroscience Amsterdam, VUmc MS Center Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
| | - Jean-Luc Murk
- Laboratory of Medical Microbiology and Immunology, St. Elisabeth Hospital Tilburg, Tilburg, The Netherlands.
- Laboratory of Medical Microbiology and Immunology, St. Elisabeth TweeSteden ziekenhuis (ETZ), Hilvarenbeekseweg 60, 5022 GC, Tilburg, The Netherlands.
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Nieuwkamp DJ, Murk JL, van Oosten BW, Cremers CHP, Killestein J, Viveen MC, Van Hecke W, Frijlink DW, Wattjes MP. PML in a patient without severe lymphocytopenia receiving dimethyl fumarate. N Engl J Med 2015; 372:1474-6. [PMID: 25853764 DOI: 10.1056/nejmc1413724] [Citation(s) in RCA: 114] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Nieuwkamp DJ, Algra A, Velthuis BK, Rinkel GJ. Clinical and Radiological Heterogeneity in Aneurysmal Sub-Arachnoid Haemorrhage According to Risk-Factor Profile. Int J Stroke 2014; 9:1052-6. [DOI: 10.1111/ijs.12274] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Accepted: 02/19/2014] [Indexed: 11/28/2022]
Abstract
Background and Aim Risk factors for aneurysmal sub-arachnoid haemorrhage can be divided into environmental and inherited factors; the latter being presumed more important in young patients. We explored in young sub-arachnoid haemorrhage patients whether risk-factor profiles influence clinical and radiological characteristics of aneurysms and sub-arachnoid haemorrhage. Methods From the 2139 aneurysmal sub-arachnoid haemorrhage patients who had been entered in our prospectively collected database between January 1997 and August 2012, we retrieved data on young (18–40 years) aneurysmal sub-arachnoid haemorrhage patients and compared those with smoking or hypertension (atherogenic risk factors) with those without. Clinical and radiological characteristics were compared with risk ratios and corresponding 95% confidence intervals. Possible confounding by age and gender was adjusted with multivariable Poisson regression analysis. Results Patients with atherogenic risk factors ( n = 113) were less often female (risk ratio: 0·7; 95% confidence interval: 0·6↔0·9), had less often a small aneurysm (risk ratio: 0·4; 95% confidence interval: 0·2↔0·7), and tended to have less often middle cerebral artery aneurysms (risk ratio: 0·5; 95% confidence interval: 0·3↔1·1) than the 29 patients without these risk factors. After adjustment for gender and age, patients with atherogenic risk factors had more often multiple aneurysms (risk ratio: 7·5; 95% confidence interval: 1·1↔52·9). There were no overt differences in the amount of cisternal and intraventricular blood, the shape of the aneurysm, and configuration of the circle of Willis between the patient groups. After adjustment for gender and age, patients with atherogenic risk factors had more often poor outcome (risk ratio: 3·8; 95% confidence interval: 1·0↔14·5). Conclusions Young sub-arachnoid haemorrhage patients without atherogenic risk factors are rare. Clinical and radiological characteristics vary between sub-arachnoid haemorrhage patients with different risk-factor profiles. This clinical heterogeneity should be taken into account in future genetic and other etiological studies.
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Affiliation(s)
- Dennis J. Nieuwkamp
- UMC Utrecht Stroke Center, Department of Neurology and Neurosurgery, the Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Ale Algra
- UMC Utrecht Stroke Center, Department of Neurology and Neurosurgery, the Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Birgitta K. Velthuis
- Department of Radiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Gabriël J.E. Rinkel
- UMC Utrecht Stroke Center, Department of Neurology and Neurosurgery, the Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands
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Nieuwkamp DJ, Vaartjes I, Algra A, Bots ML, Rinkel GJE. Age- and Gender-Specific Time Trend in Risk of Death of Patients Admitted with Aneurysmal Subarachnoid Hemorrhage in the Netherlands. Int J Stroke 2013; 8 Suppl A100:90-4. [DOI: 10.1111/ijs.12006] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Background and aim In a meta-analysis of population-based studies, case-fatality rates of subarachnoid hemorrhage have decreased worldwide by 17% between 1973 and 2002. However, age- and gender-specific decreases could not be determined. Because >10% of patients with subarachnoid hemorrhage die before reaching the hospital, this suggests that the prognosis for hospitalized subarachnoid hemorrhage patients has improved even more. We assessed age- and gender-specific time trends of the risk of death for hospitalized subarachnoid hemorrhage patients. Methods From the Dutch hospital discharge register (nationwide coverage), we identified 9403 patients admitted with subarachnoid hemorrhage in the Netherlands between 1997 and 2006. Changes in risk of death within this time frame and influence of age and gender were quantified with Poisson regression. Results The overall 30-day risk of death was 34·0% (95% confidence interval 33·1↔35·0%). After adjustment for age and gender, the annual decrease was 1·6% (95% confidence interval 0·5↔2·6%), which confers to a decrease of 13·4% (95% confidence interval4·8↔21·2%) in the study period. The one-year risk of death decreased 2·0% per year (95% confidence interval1·1↔2·9%). The decrease in risk of death was mainly found in the period 2003–2005, was not found for patients ≥65 years and was statistically significant for men, but not for women. Conclusions The decrease in risk of death for patients admitted in the Netherlands with subarachnoid hemorrhage is overall considerable, but unevenly distributed over age and gender. Further research should focus on reasons for improved survival (improved diagnostics, improved treatment) and reasons why improvement has not occurred for women and for patients in older age categories.
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Affiliation(s)
- Dennis J. Nieuwkamp
- Utrecht Stroke Center, Department of Neurology and Neurosurgery, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Ilonca Vaartjes
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Ale Algra
- Utrecht Stroke Center, Department of Neurology and Neurosurgery, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Michiel L. Bots
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Gabriël J. E. Rinkel
- Utrecht Stroke Center, Department of Neurology and Neurosurgery, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands
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Nieuwkamp DJ, Vaartjes I, Algra A, Rinkel GJE, Bots ML. Risk of cardiovascular events and death in the life after aneurysmal subarachnoid haemorrhage: a nationwide study. Int J Stroke 2012; 9:1090-6. [PMID: 22973950 DOI: 10.1111/j.1747-4949.2012.00875.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND AND AIM The increased mortality rates of survivors of aneurysmal subarachnoid haemorrhage have been attributed to an increased risk of cardiovascular events in a registry study in Sweden. Swedish registries have however not been validated for subarachnoid haemorrhage and Scandinavian incidences of cardiovascular disease differ from that in Western European countries. We assessed risks of vascular disease and death in subarachnoid haemorrhage survivors in the Netherlands. METHODS From the Dutch hospital discharge register, we identified all patients with subarachnoid haemorrhage admission between 1997 and 2008. We determined the accuracy of coding of the diagnosis subarachnoid haemorrhage for patients admitted to our centre. Conditional on survival of three-months after the subarachnoid haemorrhage, we calculated standardized incidence and mortality ratios for fatal or nonfatal vascular diseases, vascular death, and all-cause death. Cumulative risks were estimated with survival analysis. RESULTS The diagnosis of nontraumatic subarachnoid haemorrhage was correct in 95·4% of 1472 patients. Of 11,263 admitted subarachnoid haemorrhage patients, 6999 survived more than three-months. During follow-up (mean 5·1 years), 874 (12·5%) died. The risks of death were 3·3% within one-year, 11·3% within five-years, and 21·5% within 10 years. The standardized mortality ratio was 3·4 (95% confidence interval: 3·1 to 3·7) for vascular death and 2·2 (95% confidence interval: 2·1 to 2·3) for all-cause death. The standardized incidence ratio for fatal or nonfatal vascular diseases was 2·7 (95% confidence interval: 2·6 to 2·8). CONCLUSIONS Dutch hospital discharge and cause of death registries are a valid source of data for subarachnoid haemorrhage, and show that the increased mortality rate in subarachnoid haemorrhage survivors is explained by increased risks for vascular diseases and death.
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Affiliation(s)
- Dennis J Nieuwkamp
- Departments of Neurology and Neurosurgery, the Rudolf Magnus Institute of Neuroscience, Utrecht Stroke Center, University Medical Center Utrecht, Utrecht, The Netherlands
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Rasing I, Nieuwkamp DJ, Algra A, Rinkel GJE. Additional risk of hypertension and smoking for aneurysms in people with a family history of subarachnoid haemorrhage. J Neurol Neurosurg Psychiatry 2012; 83:541-2. [PMID: 22423116 DOI: 10.1136/jnnp-2011-301147] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Smoking and hypertension increase the risk of aneurismal subarachnoid haemorrhage (SAH) two to threefold whereas a familial predisposition increases the risk sixfold. We assessed the additional risk of smoking and hypertension for the presence of an intracranial aneurysm (IA) in first-degree relatives of patients with familial SAH. METHODS We studied first-degree relatives of patients with familial SAH who were screened for the presence of aneurysms. RRs with corresponding 95% CIs for the risk of IA were calculated for smoking and hypertension. RESULTS The RRs were 1.5 (95% CI 0.7 to 3.2) for smoking, 1.9 (95% CI 1.0 to 3.7) for hypertension and 2.7 (95% CI 1.4 to 5.3) for smoking plus hypertension. The increased RR for hypertension was found in both women and men, but the increased RR for smoking was found in women only. CONCLUSION The extent of the increased risk of smoking and hypertension for the presence of IA in first-degree relatives of patients with familial SAH is similar to that in patients without familial predisposition. Risk factor profiles should be included in future genetic studies.
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Affiliation(s)
- Ingeborg Rasing
- Utrecht Stroke Centre, Department of Neurology, Rudolf Magnus Institute of Neuroscience, University Medical Centre Utrecht, Utrecht, The Netherlands
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Nieuwkamp DJ, Algra A, Blomqvist P, Adami J, Buskens E, Koffijberg H, Rinkel GJ. Excess Mortality and Cardiovascular Events in Patients Surviving Subarachnoid Hemorrhage. Stroke 2011; 42:902-7. [DOI: 10.1161/strokeaha.110.602722] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Dennis J. Nieuwkamp
- From the Department of Neurology (D.J.N., A.A., G.J.E.R.), Rudolf Magnus Institute of Neuroscience, and Julius Center for Health Sciences and Primary Care (A.A., H.K.), University Medical Center Utrecht, Utrecht, The Netherlands; Department of Medicine at Karolinska University Hospital Solna, and Clinical Epidemiology Unit, Karolinska Institute (P.B., J.A.), Stockholm, Sweden; and Department of Epidemiology (E.B.), University Medical Center Groningen, Groningen, The Netherlands
| | - Ale Algra
- From the Department of Neurology (D.J.N., A.A., G.J.E.R.), Rudolf Magnus Institute of Neuroscience, and Julius Center for Health Sciences and Primary Care (A.A., H.K.), University Medical Center Utrecht, Utrecht, The Netherlands; Department of Medicine at Karolinska University Hospital Solna, and Clinical Epidemiology Unit, Karolinska Institute (P.B., J.A.), Stockholm, Sweden; and Department of Epidemiology (E.B.), University Medical Center Groningen, Groningen, The Netherlands
| | - Paul Blomqvist
- From the Department of Neurology (D.J.N., A.A., G.J.E.R.), Rudolf Magnus Institute of Neuroscience, and Julius Center for Health Sciences and Primary Care (A.A., H.K.), University Medical Center Utrecht, Utrecht, The Netherlands; Department of Medicine at Karolinska University Hospital Solna, and Clinical Epidemiology Unit, Karolinska Institute (P.B., J.A.), Stockholm, Sweden; and Department of Epidemiology (E.B.), University Medical Center Groningen, Groningen, The Netherlands
| | - Johanna Adami
- From the Department of Neurology (D.J.N., A.A., G.J.E.R.), Rudolf Magnus Institute of Neuroscience, and Julius Center for Health Sciences and Primary Care (A.A., H.K.), University Medical Center Utrecht, Utrecht, The Netherlands; Department of Medicine at Karolinska University Hospital Solna, and Clinical Epidemiology Unit, Karolinska Institute (P.B., J.A.), Stockholm, Sweden; and Department of Epidemiology (E.B.), University Medical Center Groningen, Groningen, The Netherlands
| | - Erik Buskens
- From the Department of Neurology (D.J.N., A.A., G.J.E.R.), Rudolf Magnus Institute of Neuroscience, and Julius Center for Health Sciences and Primary Care (A.A., H.K.), University Medical Center Utrecht, Utrecht, The Netherlands; Department of Medicine at Karolinska University Hospital Solna, and Clinical Epidemiology Unit, Karolinska Institute (P.B., J.A.), Stockholm, Sweden; and Department of Epidemiology (E.B.), University Medical Center Groningen, Groningen, The Netherlands
| | - Hendrik Koffijberg
- From the Department of Neurology (D.J.N., A.A., G.J.E.R.), Rudolf Magnus Institute of Neuroscience, and Julius Center for Health Sciences and Primary Care (A.A., H.K.), University Medical Center Utrecht, Utrecht, The Netherlands; Department of Medicine at Karolinska University Hospital Solna, and Clinical Epidemiology Unit, Karolinska Institute (P.B., J.A.), Stockholm, Sweden; and Department of Epidemiology (E.B.), University Medical Center Groningen, Groningen, The Netherlands
| | - Gabriël J.E. Rinkel
- From the Department of Neurology (D.J.N., A.A., G.J.E.R.), Rudolf Magnus Institute of Neuroscience, and Julius Center for Health Sciences and Primary Care (A.A., H.K.), University Medical Center Utrecht, Utrecht, The Netherlands; Department of Medicine at Karolinska University Hospital Solna, and Clinical Epidemiology Unit, Karolinska Institute (P.B., J.A.), Stockholm, Sweden; and Department of Epidemiology (E.B.), University Medical Center Groningen, Groningen, The Netherlands
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Nieuwkamp DJ, van der Schaaf IC, Biessels GJ. Migraine aura presenting as dysphasia with global cognitive dysfunction and abnormalities on perfusion CT. Cephalalgia 2010; 30:1007-9. [PMID: 20656713 DOI: 10.1111/j.1468-2982.2009.02007.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- D J Nieuwkamp
- Department of Neurology, University Medical Centre Utrecht, Utrecht, the Netherlands.
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Nieuwkamp DJ, Setz LE, Algra A, Linn FHH, de Rooij NK, Rinkel GJE. Changes in case fatality of aneurysmal subarachnoid haemorrhage over time, according to age, sex, and region: a meta-analysis. Lancet Neurol 2009; 8:635-42. [PMID: 19501022 DOI: 10.1016/s1474-4422(09)70126-7] [Citation(s) in RCA: 853] [Impact Index Per Article: 56.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND In a systematic review, published in 1997, we found that the case fatality of aneurysmal subarachnoid haemorrhage (SAH) decreased during the period 1960-95. Because diagnostic and treatment strategies have improved and new studies from previously non-studied regions have been published since 1995, we did an updated meta-analysis to assess changes in case fatality and morbidity and differences according to age, sex, and region. METHODS A new search of PubMed with predefined inclusion criteria for case finding and diagnosis identified reports on prospective population-based studies published between January, 1995, and July, 2007. The studies included in the previous systematic review were reassessed with the new inclusion criteria. Changes in case fatality over time and the effect of age and sex were quantified with weighted linear regression. Regional differences were analysed with linear regression analysis, and the regions of interest were subsequently defined as reference regions and compared with the other regions. FINDINGS 33 studies (23 of which were published in 1995 or later) were included that described 39 study periods. These studies reported on 8739 patients, of whom 7659 [88%] were reported on after 1995. 11 of the studies that were included in the previous review did not meet the current, more stringent, inclusion criteria. The mean age of patients had increased in the period 1973 to 2002 from 52 to 62 years. Case fatality varied from 8.3% to 66.7% between studies and decreased 0.8% per year (95% CI 0.2 to 1.3). The decrease was unchanged after adjustment for sex, but the decrease per year was 0.4% (-0.5 to 1.2) after adjustment for age. Case fatality was 11.8% (3.8 to 19.9) lower in Japan than it was in Europe, the USA, Australia, and New Zealand. The unadjusted decrease in case fatality excluding the data for Japan was 0.6% per year (0.0 to 1.1), a 17% decrease over the three decades. Six studies reported data on case morbidity, but these were insufficient to assess changes over time. INTERPRETATION Despite an increase in the mean age of patients with SAH, case-fatality rates have decreased by 17% between 1973 and 2002 and show potentially important regional differences. This decrease coincides with the introduction of improved management strategies. FUNDING Netherlands Organisation for Scientific Research; ZonMw.
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Affiliation(s)
- Dennis J Nieuwkamp
- Department of Neurology, Rudolf Magnus Institute of Neuroscience, University Medical Centre Utrecht, 3584 CX Utrecht, Netherlands.
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Nieuwkamp DJ, Frijns CJM. [Diagnostic image (309). An Indonesian woman with headache, confusion and fever]. Ned Tijdschr Geneeskd 2007; 151:299. [PMID: 17326473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
A 30-year-old Indonesian woman presented with headache, confusion, vomiting, diplopia and fever, due to multiple intracranial tuberculomata.
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Affiliation(s)
- D J Nieuwkamp
- Universitair Medisch Centrum Utrecht, afd. Neurologie, Postbus 85.500, 3508 GA Utrecht.
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Nieuwkamp DJ, Rinkel GJE, Silva R, Greebe P, Schokking DA, Ferro JM. Subarachnoid haemorrhage in patients > or = 75 years: clinical course, treatment and outcome. J Neurol Neurosurg Psychiatry 2006; 77:933-7. [PMID: 16638789 PMCID: PMC2077608 DOI: 10.1136/jnnp.2005.084350] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND The number of elderly patients being admitted with aneurysmal subarachnoid haemorrhage (SAH) has been increasing. Treatment of the aneurysm may be offset by the higher rate of surgical or endovascular complications. AIM To study the clinical condition at onset, complications during clinical course, treatment and outcome in a consecutive series of elderly patients. METHODS Patients who were > or = 75 years at the onset of SAH were selected from the databases of two hospitals. Data on clinical condition at onset (poor condition defined as World Federation of Neurological Surgeons (WFNS) Scale IV and V), clinical course, treatment and outcome were extracted. Univariate and multivariate regression analyses were carried out to identify predictors for in-hospital death and poor outcome, defined as death or dependency. RESULTS The data of 170 patients were retrieved, of whom 25 (15%) patients were independent at discharge; none of these patients had been admitted in a poor condition. Poor clinical condition on admission (odds ratio (OR) 7.9; 95% confidence interval (CI) 3.7 to 17) and recurrent haemorrhage (OR 7.5; 95% CI 2.5 to 23) were the strongest predictors for in-hospital death. Recurrent haemorrhage was the strongest predictor for poor outcome in the subset of patients who were admitted in good clinical condition. In all, 10 of 47 (21%) patients were independent at discharge after neurosurgical clipping (n = 34) or endovascular coiling (n = 13). CONCLUSION Elderly patients with SAH have a poor prognosis. The effect of the initial haemorrhage is the most common reason for poor outcome. For patients who are admitted in good clinical condition, the most important complication leading to poor outcome is recurrent haemorrhage. Treatment of the aneurysm in patients > or = 75 years is feasible, may improve the outcome and should be strongly considered in patients who are admitted in a good condition.
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Affiliation(s)
- D J Nieuwkamp
- Department of Neurology, University Medical Centre Utrecht, C03.236, PO Box 85500, 3584 CX Utrecht, The Netherlands.
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Nieuwkamp DJ, de Gans K, Algra A, Albrecht KW, Boomstra S, Brouwers PJAM, Groen RJM, Metzemaekers JDM, Nijssen PCG, Roos YBWEM, Tulleken CAF, Vandertop WP, van Gijn J, Vos PE, Rinkel GJE. Timing of aneurysm surgery in subarachnoid haemorrhage--an observational study in The Netherlands. Acta Neurochir (Wien) 2005; 147:815-21. [PMID: 15944811 DOI: 10.1007/s00701-005-0536-0] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2004] [Accepted: 03/23/2005] [Indexed: 12/01/2022]
Abstract
BACKGROUND There is still lack of evidence on the optimal timing of surgery in patients with aneurysmal subarachnoid haemorrhage. Only one randomised clinical trial has been done, which showed no difference between early and late surgery. Other studies were observational in nature and most had methodological drawbacks that preclude clinically meaningful conclusions. We performed a retrospective observational study on the timing of aneurysm surgery in The Netherlands over a two-year period. METHOD In eight hospitals we identified 1,500 patients with an aneurysmal subarachnoid haemorrhage. They were subjected to predefined inclusion criteria. We included all patients who were admitted and were conscious at any one time between admission and the end of the third day after the haemorrhage. We categorised the clinical condition on admission according the World Federation of Neurological Surgeons (WFNS) grading scale. Early aneurysm surgery was defined as operation performed within three days after onset of subarachnoid haemorrhage; intermediate surgery as performed on days four to seven, and late surgery as performed after day seven. Outcome was classified as the proportion of patients with poor outcome (death or dependent) two to four months after onset of subarachnoid haemorrhage. We calculated crude odds ratios with late surgery as reference. We distinguished between management results (reconstructed intention to treat analysis) and surgical results (on treatment analysis). The results were adjusted for the major prognosticators for outcome after subarachnoid haemorrhage. FINDINGS We included 411 patients. There were 276 patients in the early surgery group, 36 in the intermediate surgery group and 99 in the late surgery group. On admission 78% were in good neurological condition (WFNS I-III). MANAGEMENT RESULTS: Overall, 93 patients (34%) operated on early had a poor outcome, 13 (36%) of those with intermediate surgery and 37 (37%) in the late surgery group had a poor outcome. For patients in good clinical condition on admission and planned for early surgery the adjusted odds ratio (OR) was 1.3 (95% CI 0.5 to 3.0). The adjusted OR for patients admitted in poor neurologicalcondition (WFNS IV-V) and planned for early surgery was 0.1 (95% CI 0.0 to 0.6). SURGICAL RESULTS: For patients in good clinical condition on admission who underwent early operation the adjusted OR was 1.1 (95% CI 0.4 to 3.2); it was 0.2 (95% CI 0.0 to 0.9) for patients admitted in poor clinical condition. CONCLUSIONS In this observational study we found no significant difference in outcome between early and late operation for patients in good clinical condition on admission. For patients in poor clinical condition on admission outcome was significantly better after early surgery. The optimal timing of surgery is not yet settled. Ideally, evidence on this issue should come from a randomised clinical trial. However, such a trial or even a prospective study are unlikely to be ever performed because of the rapid development of endovascular coiling.
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Affiliation(s)
- D J Nieuwkamp
- Department of Neurology, University Medical Centre, Utrecht, Utrecht, The Netherlands
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Nieuwkamp DJ, van Gijn J. [The history of epilepsy in the Dutch Journal of Medicine]. Ned Tijdschr Geneeskd 2003; 147:2522-6. [PMID: 14735851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
Epilepsy has always been a mysterious condition. Between 1857-2002 the Dutch Journal of Medicine has devoted countless articles to this condition. At the end of the 19th and the beginning of the 20th century epilepsy was associated with a variety of psychological disorders and a high rate of inheritability. Many theories as to its causes were advanced. During the last century the development of new diagnostic techniques led to rapid changes in reasoning. The development of electroencephalography had a particularly big effect. It quickly became possible to distinguish different types of epilepsy according to their causes and clinical manifestations. Epilepsy could also be distinguished from other conditions better than previously. Types of treatment varied according to the current opinion on its causes. In most patients the best results are obtained through drug treatment; for a few, surgery is necessary.
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Affiliation(s)
- D J Nieuwkamp
- Universitair Medisch Centrum, afd. Neurologie, Utrecht.
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Nieuwkamp DJ, van Gijn J. [Diagnostic image (156). A man with a hematoma behind the ear. Mastoid bone fracture]. Ned Tijdschr Geneeskd 2003; 147:1784. [PMID: 14526621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/27/2023]
Abstract
After a fall against a concrete ridge, a 65-year-old man was seen at the first-aid department with a haematoma behind his right ear (Battle's sign) and blood loss from the external meatus. A CT scan showed a basal skull fracture located in the right mastoid bone.
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Affiliation(s)
- D J Nieuwkamp
- Universitair Medisch Centrum Utrecht, afd. Neurologie, Postbus 85.500, 3508 GA Utrecht
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van Gijn J, Nieuwkamp DJ. [William Osler and the 'chloroforming' of men over 60: a media outcry in 1905]. Ned Tijdschr Geneeskd 2002; 146:2489-93. [PMID: 12534103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
Sir William Osler (1849-1919) was one of the most charismatic physicians of his generation in the English-speaking world. In 1905, in a light-hearted farewell speech at the Johns Hopkins University before leaving for Oxford, U.K., he discussed the relative uselessness of men over 60. He facetiously referred to a novel in which men above this age retired for a year of contemplation, after which they were peacefully 'chloroformed'. Osler's words were reported out of context by American newspapers and he had to put up with much indignant protest.
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Affiliation(s)
- J van Gijn
- Universitair Medisch Centrum, afd. Neurologie, Heidelberglaan 100, 3584 CX Utrecht
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de Gans K, Nieuwkamp DJ, Rinkel GJ, Algra A. Timing of Aneurysm Surgery in Subarachnoid Hemorrhage: A Systematic Review of the Literature. Neurosurgery 2002. [DOI: 10.1227/00006123-200202000-00018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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de Gans K, Nieuwkamp DJ, Rinkel GJE, Algra A. Timing of aneurysm surgery in subarachnoid hemorrhage: a systematic review of the literature. Neurosurgery 2002; 50:336-40; discussion 340-2. [PMID: 11844269 DOI: 10.1097/00006123-200202000-00018] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVE Many practitioners favor early operation after aneurysmal rupture, but sound data supporting this practice are lacking. A systematic review was conducted to compare early aneurysm surgery (Days 0-3), intermediate surgery (Days 4-7), and late surgery (more than 7 d after subarachnoid hemorrhage). METHODS We performed a MEDLINE search of the literature published between January 1974 and December 1998 and an additional manual search of selected journal titles from January 1998 to December 1998. Main outcome measures were death and poor outcome (defined as death or dependency) at the end of the follow-up period. Risk ratios (RRs) and corresponding 95% confidence intervals (CIs) were calculated; patients planned for late surgery were used as the reference. RESULTS Identified were 1 randomized clinical trial and 268 observational studies, of which only 10 studies (assessing a total of 1814 patients) fulfilled a set of minimum requirements for methodological quality. In the trial, the RR of poor outcome was 0.42 (95% CI, 0.17-1.04) for patients planned for early surgery and 1.07 (95% CI, 0.56-2.05) for intermediate surgery. In analyses with data from the 11 included studies, the RR of poor outcome for patients in good clinical condition at admission was 0.41 (95% CI, 0.34-0.51) for early surgery and 0.47 (95% CI, 0.32-0.69) for intermediate surgery. For patients in poor clinical condition at admission, the RR of poor outcome was 0.84 (95% CI, 0.67-1.05) for early surgery and 0.54 (95% CI, 0.24-1.22) for intermediate surgery. Adjustment of the RRs for year of publication, study design, and aneurysm location yielded essentially the same results, as did a sensitivity analysis after exclusion of the data from the randomized trial. CONCLUSION This meta-analysis suggests that both early and intermediate surgical treatment improve outcome after aneurysmal subarachnoid hemorrhage--in particular for patients in good clinical condition at admission. However, this impression is derived only from an indirect comparison between different cohorts of patients. Sound evidence on the best timing of surgery is still lacking. Observational studies with better methods--and ideally a new randomized trial--are needed.
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Affiliation(s)
- Koen de Gans
- Department of Neurology, University Medical Center Utrecht, Utrecht, The Netherlands
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Nieuwkamp DJ, de Gans K, Rinkel GJ, Algra A. Treatment and outcome of severe intraventricular extension in patients with subarachnoid or intracerebral hemorrhage: a systematic review of the literature. J Neurol 2000; 247:117-21. [PMID: 10751114 DOI: 10.1007/pl00007792] [Citation(s) in RCA: 127] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Severe intraventricular hemorrhage caused by extension from subarachnoid hemorrhage or intracerebral hemorrhage leads to hydrocephalus and often to poor outcome. We conducted a systematic review to compare conservative treatment, extraventricular drainage, and extraventricular drainage combined with fibrinolysis. We carried out a search in Medline of the literature between January 1966 and December 1998 and an additional hand-search from January 1990 to December 1998. Pharmaceutical companies were contacted to gather unpublished data. We reviewed the reference lists of all relevant articles. Two authors independently assessed eligibility of the studies and extracted data on characteristics of study design, patients, and treatment. Patients with primary intraventricular hemorrhage were excluded. Main outcome measures were death and poor outcome (defined as death or dependency) at the end of follow-up. No randomized clinical trial has yet been conducted so far, and we therefore reviewed only observational studies. The case fatality rate for conservative treatment (ten studies) was 78%. For extraventricular drainage (seven studies) it was 58% [relative risk versus conservative treatment (RR) 0.74; 95% confidence interval (CI) 0.55-0.99]. For extraventricular drainage with fibrinolytic agents (five studies) the case fatality rate was 6% (RR 0.08; 95% CI 0.02-0.24). The poor outcome rate for conservative treatment was 90%, that for extraventricular drainage 89% (RR 0.98; 95% CI 0.75-1.30) and that for extraventricular drainage with fibrinolytic agents 34% (RR 0.38; 95% CI 0.21-0.68). All RR values remained essentially the same after adjusting for age, sex, World Federation of Neurological Surgeons scale, study design, and year of publication for the studies that provided these data. Outcome is thus poor in patients with intraventricular extension of subarachnoid or intracerebral hemorrhage. This meta-analysis suggests that treatment with ventricular drainage combined with fibrinolytics may improve outcome for such patients, although this impression is derived only from an indirect comparison between observational studies. A randomized clinical trial is warranted.
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Affiliation(s)
- D J Nieuwkamp
- Department of Neurology, University Hospital Utrecht, The Netherlands
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