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Cras TY, Hunink MMG, Dammers R, van Es ACGM, Volovici V, Burke JF, Kremers FCC, Dippel DWJ, Roozenbeek B. Surveillance of Unruptured Intracranial Aneurysms: Cost-Effectiveness Analysis for 3 Countries. Neurology 2022; 99:e890-e903. [PMID: 35654593 DOI: 10.1212/wnl.0000000000200785] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Accepted: 04/11/2022] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND AND OBJECTIVES No consensus exists on adequate surveillance of conservatively managed unruptured intracranial aneurysms (UIAs). We aimed to determine optimal MRI surveillance strategies for the growth of UIAs using cost-effectiveness analysis. A secondary aim was to develop a clinical tool for personalizing UIA surveillance. METHODS We designed a microsimulation model from a health care perspective simulating 100,000 55-year-old women to estimate costs and quality-adjusted life years (QALYs) over a lifetime horizon in the United States, the United Kingdom, and the Netherlands, using literature-derived model parameters. Country-specific costs and willingness-to-pay thresholds ($100,000/QALY for the United States, £30,000/QALY for the United Kingdom, and €80,000/QALY for the Netherlands) were used. Lifetime costs and QALYs were annually discounted at 3% for the United States, 3.5% for the United Kingdom, or 4% (costs) and 1.5% (QALYs) for the Netherlands. Strategies were no follow-up surveillance, follow-up with MRI in the first and fifth year after UIA discovery, every 5 years, every 2 years, or annually, or immediate intervention (i.e., clipping or coiling). Using the microsimulation model, we developed a tool for personalizing UIA surveillance for men and women, with different ages and varying aneurysm characteristics. Uncertainty in the input parameters was modeled with probabilistic sensitivity analysis. RESULTS Among 55-year-old women, 2,222 individuals in the United States, 1,910 in the United Kingdom, and 2,040 in the Netherlands needed to undergo an annual MRI scan to prevent 1 case of subarachnoid hemorrhage per year. No surveillance MRI was most cost-effective in the United States (in 47% of the simulations) and United Kingdom (in 54% of simulations), whereas annual MRI was most cost-effective in the Netherlands (in 53% of simulations). In the United States and United Kingdom, annual surveillance or surveillance in the first and fifth year after discovery was cost-effective in patients <60 years and at increased risk of aneurysm growth. The optimal, personalized, surveillance strategies were summarized in a look-up table for use in clinical practice. DISCUSSION Generally, the US and UK physicians should refrain from assigning patients, particularly older patients and those with few risk factors for aneurysm growth or rupture, to frequent MRI surveillance. In the Netherlands, annual follow-up is generally most cost-effective.
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Affiliation(s)
- Tim Yannick Cras
- From the Departments of Neurology (T.Y.C., F.C.C.K., D.W.J.D., B.R.), Epidemiology (M.M.G.H.), Radiology & Nuclear Medicine (M.M.G.H., B.R.), Neurosurgery (R.D., V.V.), and Erasmus MC University Medical Center (T.Y.C., F.C.C.K., D.W.J.D., B.R., R.D.), Rotterdam, the Netherlands; Centre for Health Decision Sciences (M.M.G.H.), Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA; Department of Radiology (A.C.G.M.v.E.), Leiden University Medical Center, the Netherlands; and Department of Neurology (J.F.B.), University of Michigan, Ann Arbor
| | - Myriam M G Hunink
- From the Departments of Neurology (T.Y.C., F.C.C.K., D.W.J.D., B.R.), Epidemiology (M.M.G.H.), Radiology & Nuclear Medicine (M.M.G.H., B.R.), Neurosurgery (R.D., V.V.), and Erasmus MC University Medical Center (T.Y.C., F.C.C.K., D.W.J.D., B.R., R.D.), Rotterdam, the Netherlands; Centre for Health Decision Sciences (M.M.G.H.), Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA; Department of Radiology (A.C.G.M.v.E.), Leiden University Medical Center, the Netherlands; and Department of Neurology (J.F.B.), University of Michigan, Ann Arbor
| | - Ruben Dammers
- From the Departments of Neurology (T.Y.C., F.C.C.K., D.W.J.D., B.R.), Epidemiology (M.M.G.H.), Radiology & Nuclear Medicine (M.M.G.H., B.R.), Neurosurgery (R.D., V.V.), and Erasmus MC University Medical Center (T.Y.C., F.C.C.K., D.W.J.D., B.R., R.D.), Rotterdam, the Netherlands; Centre for Health Decision Sciences (M.M.G.H.), Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA; Department of Radiology (A.C.G.M.v.E.), Leiden University Medical Center, the Netherlands; and Department of Neurology (J.F.B.), University of Michigan, Ann Arbor
| | - Adriaan C G M van Es
- From the Departments of Neurology (T.Y.C., F.C.C.K., D.W.J.D., B.R.), Epidemiology (M.M.G.H.), Radiology & Nuclear Medicine (M.M.G.H., B.R.), Neurosurgery (R.D., V.V.), and Erasmus MC University Medical Center (T.Y.C., F.C.C.K., D.W.J.D., B.R., R.D.), Rotterdam, the Netherlands; Centre for Health Decision Sciences (M.M.G.H.), Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA; Department of Radiology (A.C.G.M.v.E.), Leiden University Medical Center, the Netherlands; and Department of Neurology (J.F.B.), University of Michigan, Ann Arbor
| | - Victor Volovici
- From the Departments of Neurology (T.Y.C., F.C.C.K., D.W.J.D., B.R.), Epidemiology (M.M.G.H.), Radiology & Nuclear Medicine (M.M.G.H., B.R.), Neurosurgery (R.D., V.V.), and Erasmus MC University Medical Center (T.Y.C., F.C.C.K., D.W.J.D., B.R., R.D.), Rotterdam, the Netherlands; Centre for Health Decision Sciences (M.M.G.H.), Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA; Department of Radiology (A.C.G.M.v.E.), Leiden University Medical Center, the Netherlands; and Department of Neurology (J.F.B.), University of Michigan, Ann Arbor
| | - James F Burke
- From the Departments of Neurology (T.Y.C., F.C.C.K., D.W.J.D., B.R.), Epidemiology (M.M.G.H.), Radiology & Nuclear Medicine (M.M.G.H., B.R.), Neurosurgery (R.D., V.V.), and Erasmus MC University Medical Center (T.Y.C., F.C.C.K., D.W.J.D., B.R., R.D.), Rotterdam, the Netherlands; Centre for Health Decision Sciences (M.M.G.H.), Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA; Department of Radiology (A.C.G.M.v.E.), Leiden University Medical Center, the Netherlands; and Department of Neurology (J.F.B.), University of Michigan, Ann Arbor
| | - Femke C C Kremers
- From the Departments of Neurology (T.Y.C., F.C.C.K., D.W.J.D., B.R.), Epidemiology (M.M.G.H.), Radiology & Nuclear Medicine (M.M.G.H., B.R.), Neurosurgery (R.D., V.V.), and Erasmus MC University Medical Center (T.Y.C., F.C.C.K., D.W.J.D., B.R., R.D.), Rotterdam, the Netherlands; Centre for Health Decision Sciences (M.M.G.H.), Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA; Department of Radiology (A.C.G.M.v.E.), Leiden University Medical Center, the Netherlands; and Department of Neurology (J.F.B.), University of Michigan, Ann Arbor
| | - Diederik W J Dippel
- From the Departments of Neurology (T.Y.C., F.C.C.K., D.W.J.D., B.R.), Epidemiology (M.M.G.H.), Radiology & Nuclear Medicine (M.M.G.H., B.R.), Neurosurgery (R.D., V.V.), and Erasmus MC University Medical Center (T.Y.C., F.C.C.K., D.W.J.D., B.R., R.D.), Rotterdam, the Netherlands; Centre for Health Decision Sciences (M.M.G.H.), Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA; Department of Radiology (A.C.G.M.v.E.), Leiden University Medical Center, the Netherlands; and Department of Neurology (J.F.B.), University of Michigan, Ann Arbor
| | - Bob Roozenbeek
- From the Departments of Neurology (T.Y.C., F.C.C.K., D.W.J.D., B.R.), Epidemiology (M.M.G.H.), Radiology & Nuclear Medicine (M.M.G.H., B.R.), Neurosurgery (R.D., V.V.), and Erasmus MC University Medical Center (T.Y.C., F.C.C.K., D.W.J.D., B.R., R.D.), Rotterdam, the Netherlands; Centre for Health Decision Sciences (M.M.G.H.), Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA; Department of Radiology (A.C.G.M.v.E.), Leiden University Medical Center, the Netherlands; and Department of Neurology (J.F.B.), University of Michigan, Ann Arbor.
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Slot EMH, Rinkel GJE, Algra A, Ruigrok YM. Patient and aneurysm characteristics in familial intracranial aneurysms. A systematic review and meta-analysis. PLoS One 2019; 14:e0213372. [PMID: 30958821 PMCID: PMC6453525 DOI: 10.1371/journal.pone.0213372] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Accepted: 02/19/2019] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND AND PURPOSE Patient and aneurysm characteristics have been reported to differ between patients with familial and non-familial intracranial aneurysms (IAs), although results are inconsistent. We systematically reviewed and meta-analyzed the literature to identify and quantify patient- and aneurysm characteristics associated with familial IAs. METHODS We searched PubMed and EMBASE for case-control and cohort studies comparing patient- and aneurysm characteristics between familial and non-familial IAs. Two observers independently assessed study eligibility and appraised quality with the Newcastle Ottawa Scale. With univariable weighted linear regression analysis we calculated β-coefficients with corresponding 95% confidence intervals (CIs) for ruptured and unruptured IAs combined and for ruptured IAs only. Heterogeneity was assessed with Higgins I2. RESULTS A total of 15 articles were included in the meta-analysis in which 16,346 patients were analyzed with a total of 14,225 IAs. For ruptured and unruptured IAs combined, multiple IAs were more prevalent in familial (28.5%) than in non-familial IAs (20.4%; β = 0.10, 95% CI, 0.04 to 0.16; I2 0%). For ruptured IAs only, in familial patients IAs were more prevalent on the middle cerebral artery (41.1% versus 29.5%; β = 0.12, 95% CI, 0.01 to 0.24; I2 12%) and ruptured at a younger age (46.5 years versus 50.8 years; β = -5.00, 95% CI, -9.31 to -0.69; I2 98%) than in non-familial patients. No significant differences were found for the proportion of women, size of the aneurysm at time of rupture, smoking or hypertension. CONCLUSION These results suggest that characteristics of familial and non-familial IAs show considerable overlap, yet differ on specific aspects. However, results for age at rupture showed considerable heterogeneity. These findings should be taken into consideration for future etiological research into IAs.
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Affiliation(s)
- Emma M. H. Slot
- Brain Center Rudolf Magnus, Department of Neurology and Neurosurgery, University Medical Center, Utrecht, the Netherlands
| | - Gabriel J. E. Rinkel
- Brain Center Rudolf Magnus, Department of Neurology and Neurosurgery, University Medical Center, Utrecht, the Netherlands
| | - Ale Algra
- Brain Center Rudolf Magnus, Department of Neurology and Neurosurgery, University Medical Center, Utrecht, the Netherlands
- Julius Center for Health Sciences and Primary Care, University Medical Center, Utrecht, the Netherlands
| | - Ynte M. Ruigrok
- Brain Center Rudolf Magnus, Department of Neurology and Neurosurgery, University Medical Center, Utrecht, the Netherlands
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Fierstra J, Burkhardt JK, Stamou S, Regli L, Bozinov O. Twin-like appearance of an unruptured intracerebral anterior communicating artery (ACom) aneurysm in a male sibling of a patient with a ruptured ACom aneurysm. Acta Neurochir (Wien) 2016; 158:1051-5. [PMID: 27038167 DOI: 10.1007/s00701-016-2782-8] [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: 01/20/2016] [Accepted: 03/16/2016] [Indexed: 11/24/2022]
Abstract
BACKGROUND Increased risk of intracranial aneurysm rupture with subsequent subarachnoid haemorrhage (SAH) is related to several possible factors, including first-grade familial aneurysms. METHODS AND RESULTS Here we present a case of one ruptured and one unruptured identical twin-like anterior communicating artery (ACom) aneurysm present in two male siblings, without any proven genetic predisposition. According to evidence-based scores, aneurysm rupture risk for the younger (51 years old) sibling (with an unruptured ACom aneurysm) would be low, leaving the decision for either treatment or clinical follow-up to the discretion of the treating physician. CONCLUSIONS From a clinical neurosurgical perspective, however, especially since his older brother suffered an aneurysmal SAH at age 57 (i.e. 6 life-years later) from a twin-like-appearing ACom aneurysm, in our opinion rupture seems almost inevitable, thus prompting treatment at an early stage.
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Affiliation(s)
- Jorn Fierstra
- Department of Neurosurgery, University Hospital Zurich, Frauenklinikstrasse 10, 8091, Zürich, Switzerland.
| | - Jan Karl Burkhardt
- Department of Neurosurgery, University Hospital Zurich, Frauenklinikstrasse 10, 8091, Zürich, Switzerland
| | - Stamatios Stamou
- Department of Neuroradiology, Clinical Neuroscience Center, University of Zurich, University Hospital Zurich, Zürich, Switzerland
| | - Luca Regli
- Department of Neurosurgery, University Hospital Zurich, Frauenklinikstrasse 10, 8091, Zürich, Switzerland
| | - Oliver Bozinov
- Department of Neurosurgery, University Hospital Zurich, Frauenklinikstrasse 10, 8091, Zürich, Switzerland
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Zaidat OO, Castonguay AC, Teleb MS, Asif K, Gheith A, Southwood C, Pollock G, Lynch JR. Middle Cerebral Artery Aneurysm Endovascular and Surgical Therapies. Neurosurg Clin N Am 2014; 25:455-69. [DOI: 10.1016/j.nec.2014.04.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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5
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Karamanakos PN, von und zu Fraunberg M, Bendel S, Huttunen T, Kurki M, Hernesniemi J, Ronkainen A, Rinne J, Jaaskelainen JE, Koivisto T. Risk Factors for Three Phases of 12-Month Mortality in 1657 Patients from a Defined Population After Acute Aneurysmal Subarachnoid Hemorrhage. World Neurosurg 2012; 78:631-9. [DOI: 10.1016/j.wneu.2011.08.033] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2011] [Accepted: 08/30/2011] [Indexed: 12/31/2022]
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6
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Li LJ, Pan XM, Sima X, Li ZH, Zhang LS, Sun H, Zhu Y, Liang WB, Gao LB, Zhang L. Interactions of interleukin-12A and interleukin-12B polymorphisms on the risk of intracranial aneurysm. Mol Biol Rep 2012; 39:11217-23. [PMID: 23065210 DOI: 10.1007/s11033-012-2031-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2012] [Accepted: 10/02/2012] [Indexed: 11/28/2022]
Abstract
Several lines of evidence indicate that inflammatory processes play pivotal role in the development of intracranial aneurysm (IA). Recently, polymorphisms in the interleukin-12 (IL-12) gene were shown to be associated with immune-mediated inflammatory disease. The aim of this study was to investigate the interactions of IL-12A and IL-12B polymorphisms on the risk of IA in a Chinese population. A total of 422 individuals (including 164 patients with IA and 258 controls) were involved in the study. The polymorphisms (i.e., rs2243115 and rs568408 in IL-12A and rs3212227 in IL-12B) were genotyped by polymerase chain reaction-restriction fragment length polymorphism assay and DNA sequencing. We found an association of the AC/CC genotypes and C allele of IL-12B rs3212227 with an increased risk of IA, compared with the AA genotype and A allele (AC/CC vs. AA: OR = 2.09, 95 % CI: 1.29-3.38; C vs. A: OR = 1.45, 95 % CI: 1.10-1.91). Moreover, a significant gene interaction of IL-12A and IL-12B was evident on the risk of IA, and subjects carrying variant genotypes of IL-12B rs3212227 had an increased risk of IA. In the stratified analysis by gender, the IL-12B rs3212227 AC/CC genotypes had an increased risk of IA compared with the AA genotype in male patients (AC/CC vs. AA: OR = 4.63, 95 % CI: 1.92-11.16). These findings suggest that the IL-12A and IL-12B independently and jointly be involved in the susceptibility to IA.
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Affiliation(s)
- Li-Juan Li
- Department of Forensic Biology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, 610041, Sichuan, People's Republic of China
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Brunelle C, Hennecker JL, Scordidis V. Perte de connaissance après un traumatisme minime révélant une rupture d’anévrisme chez un enfant. Arch Pediatr 2012; 19:815-8. [DOI: 10.1016/j.arcped.2012.05.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2011] [Revised: 01/18/2012] [Accepted: 05/25/2012] [Indexed: 10/26/2022]
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Interactions of miR-34b/c and TP53 polymorphisms on the risk of intracranial aneurysm. Clin Dev Immunol 2012; 2012:567586. [PMID: 22844323 PMCID: PMC3403301 DOI: 10.1155/2012/567586] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2012] [Accepted: 05/22/2012] [Indexed: 02/06/2023]
Abstract
Several lines of evidence indicate that inflammatory processes play a key role in the happening and development of intracranial aneurysm (IA). Recently, polymorphisms in the TP53 gene were shown to be associated with inflammation and inflammatory disease. The aim of this study was to investigate the interactions of miR-34b/c and TP53 Arg72-Pro polymorphisms on the risk of IA in a Chinese population. A total of 590 individuals (including 164 patients with IA and 426 controls) were involved in this study. The polymorphisms (i.e., miR-34b/c rs4938723 and TP53 Arg72-Pro) were genotyped by polymerase chain reaction-restriction fragment length polymorphism assay and DNA sequencing. We found that the CC genotype of miR-34b/c rs4938723 was significantly associated with a decreased risk of IA compared with the TT genotype. Moreover, a significant gene interaction of the carriers with the combined genotypes of miR-34b/c rs4938723CC and TP53 Arg72Pro CG/CC/GG had a decreased risk of IA, compared with those carrying miR-34b/c rs4938723CT/TT+TP53 Arg72Pro GG/CG/CC combined genotypes. These findings suggest that the miR-34b/c rs4938723CC and TP53 Arg72-Pro polymorphisms may be involved in the susceptibility to IA.
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Huttunen T, Riihinen A, Pukkala E, von und zu Fraunberg M, Koivisto T, Ronkainen A, Rinne J, Hernesniemi J, Sankila R, Jääskeläinen JE. Increased Relative Risk of Lung Cancer in 2,904 Patients with Saccular Intracranial Aneurysm Disease in Eastern Finland. Neuroepidemiology 2012; 38:93-9. [DOI: 10.1159/000335041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2011] [Accepted: 11/14/2011] [Indexed: 12/31/2022] Open
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Lindgren A, Huttunen T, Saavalainen T, Riihinen A, Kurki MI, Koivisto T, Ronkainen A, Rinne J, Hernesniemi J, Jääskeläinen JE, Fraunberg MVUZ. Increased incidence of aneurysmal subarachnoid hemorrhage on Sundays and Mondays in 1,862 patients from Eastern Finland. Neuroepidemiology 2011; 37:203-8. [PMID: 22123501 DOI: 10.1159/000332055] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2011] [Accepted: 08/03/2011] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Temporal patterns of aneurysmal subarachnoid hemorrhage (aSAH) from saccular intracranial aneurysm (sIA) were studied in a consecutive series of 1,862 patients. METHODS Neurosurgery of Kuopio University Hospital (KUH) solely serves a defined catchment population in Eastern Finland. Kuopio's sIA database contains 1,596 sporadic and 266 familial patients admitted to KUH within 72 h from the onset of aSAH between 1980 and 2007. The distributions by the weekday of the onset of aSAH, admission to KUH, and occlusive therapy of the ruptured sIA were analyzed. Logistic regression was used to search for clinical variables (patients, sIA disease, clinical condition) that would independently correlate with each distribution. RESULTS The onset of aSAH occurred significantly most often (p < 0.001) on Sundays (n = 330) and Mondays (n = 309) and least frequently on Saturdays (n = 231). None of the clinical variables tested associated significantly and independently with the Sunday and Monday peaks. The admissions to KUH after aSAH were most frequent (p < 0.001) on Mondays (n = 331) and least frequent on Thursdays (n = 221) and Saturdays (n = 221). Overall, 1,655 patients underwent occlusive therapy, most frequently on Mondays (n = 318) and least frequently on Saturdays (n = 189) and Sundays (n = 197). CONCLUSIONS Sundays and Mondays were the most frequent and Saturdays the least frequent days of aSAH in a defined Eastern Finnish population. We could not identify any etiology to this temporal pattern. Binge drinking is frequent in Finland, especially among young males, but age and gender did not correlate with the Sunday and Monday peaks.
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Affiliation(s)
- Antti Lindgren
- Neurosurgery of Neurocenter, Kuopio University Hospital, Kuopio, Finland
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11
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Huttunen T, von und zu Fraunberg M, Koivisto T, Ronkainen A, Rinne J, Sankila R, Seppä K, Jääskeläinen JE. Long-term Excess Mortality of 244 Familial and 1502 Sporadic One-Year Survivors of Aneurysmal Subarachnoid Hemorrhage Compared With a Matched Eastern Finnish Catchment Population. Neurosurgery 2011; 68:20-7. [DOI: 10.1227/neu.0b013e3181ff33ca] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Abstract
BACKGROUND:
Saccular intracranial aneurysms (sIAs) develop in 2% of the population. Rupture of the sIA wall causes almost all cases of aneurysmal subarachnoid hemorrhage (aSAH).
OBJECTIVE:
We analyzed the long-term excess mortality of 244 familial and 1502 sporadic 1-year survivors of aSAH from sIA compared with a matched Eastern Finnish catchment population.
METHODS:
The Kuopio Neurosurgery Database contains 1746 one-year survivors of aSAH (1980–2007) from a defined population. The median follow-up time, until death (n = 494) or the end of 2008, was 12 years. Relative survival ratios were calculated compared with the matched (sex, age, calendar time) catchment population. Relative excess risk of death (RER) was estimated for variables known on admission for aSAH as well as Glasgow Outcome Scale score at 12 months.
RESULTS:
There was 12% excess mortality at 15 years (cumulative relative survival ratio: 0.88; 95% confidence interval: 0.85-0.91). Independent risk factors were male sex (RER: 1.6), age older than 64 years (RER: 2.9), ruptured basilar tip sIA (RER: 4.5), severe hydrocephalus on admission (RER: 3.6), no occlusive therapy (RER: 6.0), and Glasgow Outcome Scale scores of 2, 3, or 4 at 12 months (RER: 23, 4.1, 2.1, respectively), but not familial sIA disease. There were lethal rebleeds from 13 of the 1440 clipped sIAs, 2 of the 265 coiled sIAs, and 2 from the 17 nonoccluded sIAs, and 14 new lethal bleeds from other sIAs.
CONCLUSION:
The impact of both sporadic and familial aSAH and their sequelae in the central nervous and cardiovascular systems may cause long-term morbidity and mortality. The complex sIA disease may predispose to other vascular events later in life. The causes of the long-term excess mortality are heterogeneous, and more detailed analyses are required.
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Affiliation(s)
- Terhi. Huttunen
- Neurosurgery of Kuopio University Hospital, NeuroCenter, Kuopio, Finland
| | | | - Timo. Koivisto
- Neurosurgery of Kuopio University Hospital, NeuroCenter, Kuopio, Finland
| | - Antti. Ronkainen
- Neurosurgery of Kuopio University Hospital, NeuroCenter, Kuopio, Finland
| | - Jaakko. Rinne
- Neurosurgery of Kuopio University Hospital, NeuroCenter, Kuopio, Finland
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12
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Huttunen T, von und zu Fraunberg M, Frösen J, Lehecka M, Tromp G, Helin K, Koivisto T, Rinne J, Ronkainen A, Hernesniemi J, Jääskeläinen JE. Saccular Intracranial Aneurysm Disease. Neurosurgery 2010; 66:631-8; discussion 638. [PMID: 20190670 DOI: 10.1227/01.neu.0000367634.89384.4b] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Abstract
OBJECTIVE
Finnish saccular intracranial aneurysm (sIA) disease associates to 2q33, 8q11, and 9p21 loci and links to 19q13, Xp22, and kallikrein cluster in sIA families. Detailed phenotyping of familial and sporadic sIA disease is required for fine mapping of the Finnish sIA disease.
METHODS
Eastern Finland, which is particularly isolated genetically, is served by Kuopio University Hospital's Department of Neurosurgery. We studied the site and size distribution of unruptured and ruptured sIAs in correlation to age and sex in 316 familial and 1454 sporadic sIA patients on first admission from 1993 to 2007.
RESULTS
The familial and sporadic aneurysmic subarachnoid hemorrhage patients had slightly different median ages (46 vs 51 years in men; 50 vs 57 years in women), different proportion of males (50% vs 42%), equal median diameter of ruptured sIAs (7 mm vs 7 mm) with no correlation to age, and equally unruptured sIAs (30% vs 28%). The unruptured sIAs were most frequent at the middle cerebral artery (MCA) bifurcation (44% vs 39%) and the anterior communicating artery (12% vs 13%), in contrast to the ruptured sIAs at the anterior communicating artery (37% vs 29%) and MCA bifurcation (29% vs 29%). The size of unruptured sIAs increased by age in the sporadic group.
CONCLUSION
The MCA bifurcation was most prone to develop unruptured sIAs, suggesting that MCA branching during the embryonic period might be involved. The different site distribution of ruptured and unruptured sIAs suggests different etiologies for sIA formation and rupture. The lack of correlation of size and age at rupture (exposure to risk factors) suggests that the size at rupture is more dependent on hemodynamic stress.
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Affiliation(s)
- Terhi Huttunen
- Department of Neurosurgery, Kuopio University Hospital, Kuopio, Finland
| | | | - Juhana Frösen
- Department of Neurosurgery, Helsinki University Hospital, Helsinki, Finland
| | - Martin Lehecka
- Department of Neurosurgery, Helsinki University Hospital, Helsinki, Finland
| | - Gerard Tromp
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, Michigan
| | - Katariina Helin
- Department of Neurosurgery, Kuopio University Hospital, Kuopio, Finland
| | - Timo Koivisto
- Department of Neurosurgery, Kuopio University Hospital, Kuopio, Finland
| | - Jaakko Rinne
- Department of Neurosurgery, Kuopio University Hospital, Kuopio, Finland
| | - Antti Ronkainen
- Department of Neurosurgery, Kuopio University Hospital, Kuopio, Finland
| | - Juha Hernesniemi
- Department of Neurosurgery, Helsinki University Hospital, Helsinki, Finland
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13
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Dufour H, Bonafé A, Bruder N, Boulard G, Ravussin P, Lejeune JP, Gabrillargues J, Beydon L, Audibert G, Berré J, Hans P, Puybasset L, Ter Minassian A, Proust F, de Kersaint-Gilly A. Diagnostic en hôpital général et prise en charge immédiate des hémorragies méningées graves. ACTA ACUST UNITED AC 2005; 24:715-20. [PMID: 15967627 DOI: 10.1016/j.annfar.2005.03.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- H Dufour
- Service de neurochirurgie, CHU de la Timone, rue Saint-Pierre, 13385 Marseille cedex 05, France.
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14
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Nahed BV, Seker A, Guclu B, Ozturk AK, Finberg K, Hawkins AA, DiLuna ML, State M, Lifton RP, Gunel M. Mapping a Mendelian form of intracranial aneurysm to 1p34.3-p36.13. Am J Hum Genet 2005; 76:172-9. [PMID: 15540160 PMCID: PMC1196421 DOI: 10.1086/426953] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2004] [Accepted: 10/20/2004] [Indexed: 11/03/2022] Open
Abstract
The identification of pathways that underlie common disease has been greatly impacted by the study of rare families that segregate single genes with large effect. Intracranial aneurysm is a common neurological problem; the rupture of these aneurysms constitutes a frequently catastrophic neurologic event. The pathogenesis of these aneurysms is largely unknown, although genetic and environmental factors are believed to play a role. Previous genomewide studies in affected relative pairs have suggested linkage to several loci, but underlying genes have not been identified. We have identified a large kindred that segregates nonsyndromic intracranial aneurysm as a dominant trait with high penetrance. Genomewide analysis of linkage was performed using a two-stage approach: an analysis of ~10,000 single-nucleotide polymorphisms in the 6 living affected subjects, followed by the genotyping of simple tandem repeats across resulting candidate intervals in all 23 kindred members. Analysis revealed significant linkage to a single locus, with a LOD score of 4.2 at 1p34.3-p36.13 under a dominant model with high penetrance. These findings identify a Mendelian form of intracranial aneurysm and map the location of the underlying disease locus.
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Affiliation(s)
- Brian V. Nahed
- Departments of Neurosurgery and Genetics, Howard Hughes Medical Institute, and Child Study Center, Yale University School of Medicine, New Haven
| | - Askin Seker
- Departments of Neurosurgery and Genetics, Howard Hughes Medical Institute, and Child Study Center, Yale University School of Medicine, New Haven
| | - Bulent Guclu
- Departments of Neurosurgery and Genetics, Howard Hughes Medical Institute, and Child Study Center, Yale University School of Medicine, New Haven
| | - Ali K. Ozturk
- Departments of Neurosurgery and Genetics, Howard Hughes Medical Institute, and Child Study Center, Yale University School of Medicine, New Haven
| | - Karin Finberg
- Departments of Neurosurgery and Genetics, Howard Hughes Medical Institute, and Child Study Center, Yale University School of Medicine, New Haven
| | - Abigail A. Hawkins
- Departments of Neurosurgery and Genetics, Howard Hughes Medical Institute, and Child Study Center, Yale University School of Medicine, New Haven
| | - Michael L. DiLuna
- Departments of Neurosurgery and Genetics, Howard Hughes Medical Institute, and Child Study Center, Yale University School of Medicine, New Haven
| | - Matthew State
- Departments of Neurosurgery and Genetics, Howard Hughes Medical Institute, and Child Study Center, Yale University School of Medicine, New Haven
| | - Richard P. Lifton
- Departments of Neurosurgery and Genetics, Howard Hughes Medical Institute, and Child Study Center, Yale University School of Medicine, New Haven
| | - Murat Gunel
- Departments of Neurosurgery and Genetics, Howard Hughes Medical Institute, and Child Study Center, Yale University School of Medicine, New Haven
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15
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Ronkainen A, Hernesniemi J. Familial Vascular Diseases of Neurosurgical Significance. Stroke 2004. [DOI: 10.1016/b0-44-306600-0/50070-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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16
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Lindgaard L, Eskesen V, Gjerris F, Olsen NV. Familial aggregation of intracranial aneurysms in an Inuit patient population in Kalaallit Nunaat (Greenland). Neurosurgery 2003; 52:357-62; discussion 362-3. [PMID: 12535364 DOI: 10.1227/01.neu.0000043695.77193.62] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2002] [Accepted: 07/09/2002] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE The incidence of subarachnoid hemorrhage (SAH) and intracranial aneurysm (IA) has been reported to be higher in Greenlandic Inuits than in Caucasian Danes, but the rate of familial aggregation in Inuits is unknown. METHODS This study retrospectively compared the rate of familial aggregation of SAH and IA (at least one first- or second-degree relative with presumed SAH and/or IA) in 120 Inuit patients from Greenland admitted to the Copenhagen University Hospital in Copenhagen, Denmark, from 1978 to 1998 with a diagnosis of ruptured IA with that in 1,037 Caucasian Danes admitted from 1978 to 1983. RESULTS Inuit patients had a much higher rate of familial history of SAH (23.1%) and of IA (9.6%) than Danish patients (4.3 and 1.6%, respectively). In both populations, familial SAH was associated with lower age at the time of aneurysm rupture. Danish patients with familial SAH showed a higher rate of middle cerebral artery aneurysms (40 versus 26% in sporadic SAH). In Inuit patients with familial and nonfamilial SAH, 42 and 38% of the aneurysms originated from the middle cerebral artery. The overall rate of multiple aneurysms was highest among Inuits, and in both populations, it was increased in the presence of a positive family history. CONCLUSION The rate of a positive family history of presumed SAH and IA is high among Inuits who present with SAH compared with Caucasian Danes who present with SAH. This finding, coupled with a higher rate of multiple aneurysms and younger age at presentation, suggests a potential genetic influence among Inuit families.
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Affiliation(s)
- Lars Lindgaard
- University Clinic of Neuroanaesthesia, The Neuroscience Center, Copenhagen University Hospital (Rigshospitalet), Copenhagen, Denmark
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17
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Connolly ES, Choudhri TF, Mack WJ, Mocco J, Spinks TJ, Slosberg J, Lin T, Huang J, Solomon RA. Influence of smoking, hypertension, and sex on the phenotypic expression of familial intracranial aneurysms in siblings. Neurosurgery 2001; 48:64-8; discussion 68-9. [PMID: 11152362 DOI: 10.1097/00006123-200101000-00011] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVE To investigate the effects of smoking, hypertension, and sex on the phenotypic expression of familial intracranial aneurysms (FIAs). METHODS We retrospectively reviewed the case records of 806 consecutive patients undergoing aneurysm surgery at our institution (1986-1995) and discovered 24 families with at least two affected siblings. Prevalence rates for the smoking, hypertension, and sex risk factors in these nuclear families were compared with those of patients with sporadic intracranial aneurysms (SIAs) and population-based control patients. RESULTS Affected family members with FIAs exhibited prevalence rates of smoking and hypertension (74% and 43%, respectively) that tended to be higher than those of population-based control patients (52% [P < 0.005] and 36% [P = not significant (NS)], respectively) and comparable to those of patients with SIAs (64% [P = NS] and 40% [P = NS], respectively). A positive association existed between FIA formation and female sex but was somewhat less strong than that observed in the SIAs (59% FIAs, 71% SIAs, 50% control patients). In addition, the prevalence rates of smoking, hypertension, and female sex were higher in affected family members with FIAs than in their unaffected siblings (58% [P < 0.05], 28% [P = 0.06], and 39% [P < 0.05], respectively). Individuals in families with expressed FIAs who had high aneurysmal penetrance had a greater tendency to be smokers, hypertensive, and female (74%, 59%, and 55%, respectively) than did their low-penetrance counterparts (61% [P = 0.1], 27% [P < 0.05], and 45% [P = NS], respectively). CONCLUSION Together these data suggest that hypertension, smoking, and female sex increase the likelihood that a member of a family with an expressed FIA will have an aneurysm. These observations may prove helpful in guiding the use of screening studies and encouraging education about the potential risks of continued tobacco use and untreated hypertension in this patient cohort.
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Affiliation(s)
- E S Connolly
- Department of Neurological Surgery, College of Physicians and Surgeons, Columbia University, New York, New York 10032-3784, USA.
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Connolly ES, Choudhri TF, Mack WJ, Mocco J, Spinks TJ, Slosberg J, Lin T, Huang J, Solomon RA. Influence of Smoking, Hypertension, and Sex on the Phenotypic Expression of Familial Intracranial Aneurysms in Siblings. Neurosurgery 2001. [DOI: 10.1227/00006123-200101000-00011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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19
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Forecasting survival after acute neurologic disease. Curr Opin Crit Care 2000. [DOI: 10.1097/00075198-200004000-00006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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