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Wang Q, Liu M, Zhao K, Xu X, Zhang J, Xu B. Hyperhomocysteinemia increases the risk of vertebrobasilar dissecting aneurysm among the male Han Chinese population: a retrospective case-control study. Int J Neurosci 2024; 134:951-957. [PMID: 36714920 DOI: 10.1080/00207454.2023.2174024] [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: 09/12/2022] [Revised: 10/31/2022] [Accepted: 01/24/2023] [Indexed: 01/31/2023]
Abstract
OBJECT Vertebrobasilar dissecting aneurysms (VBDAs) are known to have a poor natural history with high rates of re-bleeding and mortality. There is a strong relation between hyperhomocysteinemia (HHcy) and cerebrovascular disease; we perform a retrospective study within the male of Chinese Han population to explore the association between HHcy and VBDAs. METHODS Eighty-eight male patients with VBDA and Eighty-one male control subjects were evaluated for their serum total homocysteine levels. With multiple logistic regression analysis, the association between HHcy and the risk of VBDAs was estimated. Interaction and stratified analyses were conducted according to age, BMI, smoking status, drinking status, and chronic disease histories. The two-piecewise linear regression model examined the threshold effect. RESULTS The multivariate logistic regression analyses revealed a significant association between HHcy and VBDAs (odds ratio (OR) = 2.62; 95% confidence interval (CI), 1.02-6.71) after adjusting for classical vascular risk factors. The relationship was stable in all subgroup analysis. The interactive role was not found in the association between HHcy and VBDAs for the potential risk factor. CONCLUSIONS In summary, our study provides evidence that HHcy can increases the risk of VBDAs in the male Han Chinese population. Further researches with appropriate study designs including sex differences and aneurysm types are needed to verify this association.
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Affiliation(s)
- Qun Wang
- Department of Neurosurgery, The First Medical Center, Chinese PLA General Hospital, Haidian District, Beijing, China
| | - Minghang Liu
- Department of Neurosurgery, The First Medical Center, Chinese PLA General Hospital, Haidian District, Beijing, China
| | - Kai Zhao
- Department of Neurosurgery, The First Medical Center, Chinese PLA General Hospital, Haidian District, Beijing, China
| | - Xinghua Xu
- Department of Neurosurgery, The First Medical Center, Chinese PLA General Hospital, Haidian District, Beijing, China
| | - JiaShu Zhang
- Department of Neurosurgery, The First Medical Center, Chinese PLA General Hospital, Haidian District, Beijing, China
| | - BaiNan Xu
- Department of Neurosurgery, The First Medical Center, Chinese PLA General Hospital, Haidian District, Beijing, China
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Segherlou ZH, Shakeri-Darzekonani M, Khavandegar A, Stephenson S, Ciccone K, Masheghati F, Hosseini Siyanaki MR, Lyerly M, Lucke-Wold B. Hormonal influences on cerebral aneurysms: unraveling the complex connections. Expert Rev Endocrinol Metab 2024; 19:207-215. [PMID: 38712738 DOI: 10.1080/17446651.2024.2347275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 04/22/2024] [Indexed: 05/08/2024]
Abstract
INTRODUCTION Intracranial aneurysms (IAs) occur in 3-5% of the general population and are characterized by localized structural deterioration of the arterial wall with loss of internal elastic lamina and disruption of the media. The risk of incidence and rupture of aneurysms depends on age, sex, ethnicity, and other different factors, indicating the influence of genetic and environmental factors. When an aneurysm ruptures, there is an estimated 20% mortality rate, along with an added 30-40% morbidity in survivors. The alterations in hormonal levels can influence IAs, while the rupture of an aneurysm can have various impacts on endocrine pathways and affect their outcome. AREA COVERED This review explores the reciprocal relationship between endocrinological changes (estrogen, growth hormone, and thyroid hormones) and IAs, as well as the effects of aneurysm ruptures on endocrine fluctuations. EXPERT OPINION Based on the data presented in this paper, we recommend further exploration into the influence of hormones on aneurysm formation and rupture. Additionally, we propose conducting endocrine assessments for patients who have experienced a rupture of IAs. Monitoring hormonal changes in patients with IAs could serve as a potential risk factor for rupture, leading to interventions in the approach to managing IAs.
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Affiliation(s)
| | | | - Armin Khavandegar
- College of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Sara Stephenson
- Biotechnology Department, Krieger School of Arts and Sciences, John Hopkins University, Baltimore, MD, USA
| | - Kimberly Ciccone
- Department of Behavioral Neuroscience, College of Arts and Sciences, University of North Florida, Jacksonville, FL, USA
| | - Forough Masheghati
- College of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Mac Lyerly
- School of Medicine, Wake Forest University, Winston-Salem, NC, USA
| | - Brandon Lucke-Wold
- Department of Neurosurgery, College of Medicine, University of Florida, Gainesville, FL, USA
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Rosi Junior J, Gomes Dos Santos A, Solla DJF, Rabelo NN, da Silva SA, Iglesio RF, Caldas JGMP, Teixeira MJ, Figueiredo EG. Cavernous carotid aneurysms do not influence the occurrence of upstream ipsilateral aneurysm. Br J Neurosurg 2024; 38:205-207. [PMID: 33170054 DOI: 10.1080/02688697.2020.1820950] [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: 02/15/2020] [Revised: 08/29/2020] [Accepted: 09/04/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVE Cavernous carotid aneurysms (CCA) comprehend around 5% of all intracranial aneurysms. The main risk factors for an intracranial aneurysm seem not to influence the incidence of CCAs. The aim of this study was to investigate the association of CCAs and the presence of upstream aneurysms. METHODS 1403 patients, admitted in Hospital das Clinicas de São Paulo, Brazil, from September 2009 to August 2018, enrolled this study. Diagnosis was performed with Digital Subtraction Angiography (DSA). Upstream aneurysm was defined as an intracranial aneurysm on anterior cerebral circulation, ipsilateral to the CCA (if present) or crossing the midline (e.g. anterior communicating artery). RESULTS 177 individuals were diagnosed with CCA (12.6% of the population), totalizing 225 aneurysms (10% of the total number of aneurysms, 2253). No association was found between CCA and UA (p= .090, OR: 1.323, 95% CI: 0.957-1.828). Studying only patients with CCA, multivariable analysis showed smoking as the only factor associated with UA (p= .010, OR: 0.436, 95% CI: 0.232-0.821). CONCLUSIONS Cavernous carotid aneurysms were present in 12% of our population, mostly in female. They seem to be independent of the modifiable risk factors already associated with intracranial aneurysms. A higher frequency of mirror aneurysms was seen in this location. CCA did not influence the presence of ipsilateral and anterior circulation aneurysms.
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Affiliation(s)
- Jefferson Rosi Junior
- Division of Neurological Surgery, Hospital das Clinicas, University of São Paulo Medical School, Sao Paulo, Brazil
| | | | - Davi Jorge Fontoura Solla
- Division of Neurological Surgery, Hospital das Clinicas, University of São Paulo Medical School, Sao Paulo, Brazil
| | | | - Saul Almeida da Silva
- Division of Neurological Surgery, Hospital das Clinicas, University of São Paulo Medical School, Sao Paulo, Brazil
| | - Ricardo Ferrareto Iglesio
- Division of Neurological Surgery, Hospital das Clinicas, University of São Paulo Medical School, Sao Paulo, Brazil
| | | | - Manoel Jacobsen Teixeira
- Division of Neurological Surgery, Hospital das Clinicas, University of São Paulo Medical School, Sao Paulo, Brazil
| | - Eberval Gadelha Figueiredo
- Division of Neurological Surgery, Hospital das Clinicas, University of São Paulo Medical School, Sao Paulo, Brazil
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Gómez-Amador JL, Guerrero-Suárez PD, Martínez-Anda JJ, Aragón-Arreola JF, Castillo-Matus A, Marian-Magaña R, Sangrador-Deitos MV, Hernández-Hernández A, Delgado-Jurado EJ, Villagrana-Sánchez RS, Gallegos-Pedraza A, Diaz-Espinoza JL. Unilateral approach for bilateral clipping of posterior communicating artery aneurysms in a hybrid operating room: A technical note. J Cerebrovasc Endovasc Neurosurg 2023; 25:468-472. [PMID: 37661758 PMCID: PMC10774686 DOI: 10.7461/jcen.2023.e2022.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 06/21/2023] [Accepted: 06/23/2023] [Indexed: 09/05/2023] Open
Abstract
Bilateral posterior communicating (pComm) artery aneurysms represent only 2% of mirror intracranial aneurysms. Usually, these are surgically approached through bilateral craniotomies for clipping. We present the case of a 50-year-old female presenting with headache and horizontal diplopia. Neurological examination revealed a left oculomotor palsy, with no other neurological deficits. Imaging studies revealed bilateral aneurysmatic lesions in both internal carotid arteries (ICA). A conventional left pterional approach was planned in order to treat the symptomatic aneurysm, and, if deemed feasible, a contralateral clipping through the same approach. The procedure was performed in a hybrid operating room (HOR), performing an intraoperative digital subtraction angiography (DSA) and roadmapping assistance during dissection and clipping. Transoperatively, a post-fixed optic chiasm was identified, with a wide interoptic space, which allowed us to perform the contralateral clipping through a unilateral approach. This technique for clipping bilateral pComm aneurysms can be performed when the proper anatomical features are met.
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Affiliation(s)
- Juan Luis Gómez-Amador
- Department of Neurosurgery, National Institute of Neurology and Neurosurgery, Manuel Velasco Suárez, Mexico City, Mexico
| | | | | | - Jorge Fernando Aragón-Arreola
- Department of Neurosurgery, National Institute of Neurology and Neurosurgery, Manuel Velasco Suárez, Mexico City, Mexico
| | - Andrea Castillo-Matus
- Department of Neurosurgery, National Institute of Neurology and Neurosurgery, Manuel Velasco Suárez, Mexico City, Mexico
| | - Ricardo Marian-Magaña
- Department of Neurosurgery, National Institute of Neurology and Neurosurgery, Manuel Velasco Suárez, Mexico City, Mexico
| | - Marcos V Sangrador-Deitos
- Department of Neurosurgery, National Institute of Neurology and Neurosurgery, Manuel Velasco Suárez, Mexico City, Mexico
| | - Alan Hernández-Hernández
- Department of Neurosurgery, National Institute of Neurology and Neurosurgery, Manuel Velasco Suárez, Mexico City, Mexico
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Yao Y, Tong X, Mei Y, Yu F, Shan Y, Liu A, Chen D. Hemodynamic indicators of the formation of tandem intracranial aneurysm based on a vascular restoration algorithm. Front Neurol 2022; 13:1010777. [DOI: 10.3389/fneur.2022.1010777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 09/12/2022] [Indexed: 11/11/2022] Open
Abstract
BackgroundHemodynamic factors are believed to be closely related to IA growth. However, the underlying pathophysiological mechanism that induces the growth sequence in tandem intracranial aneurysms (IAs) remains unclear.Methods and resultsThis study involved five patients with tandem IAs. Aneurysm models were reconstructed based on image datasets. A novel vascular restoration algorithm was proposed to generate the hypothetical geometry of the healthy parent vessel before each IA formation in the concatenated structure. Detailed hemodynamic patterns and morphological features were revealed under various growth sequences of tandem IAs to investigate the flow-driven mechanism of IA growth. Potential hemodynamic indicators of IA formation were proposed.ResultsThe patient cases were divided into two groups based on the size difference of tandem IAs. In the group with a similar size of tandem IAs, the position of the vortex core was associated with the site of the secondary aneurysm, while in the group with a significant size difference of the IAs, the position with the maximum curvature of the parent vessel plays a significant role in aneurysm formation.ConclusionsThis study preliminarily revealed key hemodynamic and morphological indicators that determine the formation of tandem IAs. The proposed vascular restoration algorithm that provided the pre-aneurysm vasculature might be useful in investigating the flow-driven mechanism of IA growth, thus contributing to the risk evaluation of secondary aneurysm formation.
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Sharma MR, Kafle P, Rajbhandari B, Pradhanang AB, Kumar SD, Sedain G. Clinical Characteristics and Outcome of Patients with Multiple Intracranial Aneurysms from a University Hospital in Nepal. Asian J Neurosurg 2022; 17:268-273. [PMID: 36120613 PMCID: PMC9473855 DOI: 10.1055/s-0042-1750822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Objective
The risk factors, management strategies, and outcomes of patients with multiple intracranial aneurysms (MIAs) are different compared with that of patients with a single aneurysm. Data are scarce regarding patients with MIAs from developing countries. The objective of this study was to describe the clinical characteristics, management strategies, and outcomes of patients treated microsurgically from Nepal.
Methods
The clinical records of patients confirmed to have MIAs and microsurgically clipped between July 2014 and December 2019 were retrospectively reviewed. Data on demographic and clinical characteristics, computed tomography findings, multiplicity and location of aneurysms, management strategies, and the 1-year outcome were abstracted and analyzed.
Results
Two hundred cerebral aneurysms were microsurgically clipped in 170 consecutive patients during the study period. Twenty-six (13.0%) patients harbored 60 aneurysms. The mean age of the patients was 58.5 (43–73) years. Smoking and hypertension were found in 20 (76.9%) and 16 (61.5%) patients, respectively. The majority of patients [17 (65.4%)] were in good grades at presentation. Twenty-one patients had two aneurysms, four had three aneurysms, and one patient had five aneurysms. The middle cerebral artery was the commonest (20) followed by distal anterior cerebral artery (14) and anterior communicating artery (13) involved in multiplicity. A single-stage surgery was performed on 17 patients. Serial clipping was performed in six patients. In three patients, a single aneurysm on the contralateral side was left untreated for various reasons. The favorable outcome was achieved in 23 (88.5%) patients whereas three (11.5%) patients had an unfavorable outcome. One patient died.
Conclusion
The demographic and clinical characteristics of patients in our series are comparable with those described in the published literature from other countries. With an individualized treatment strategy, an acceptable outcome can be achieved in the majority of the patients.
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Affiliation(s)
- Mohan Raj Sharma
- Department of Neurosurgery, Institute of Medicine, Tribhuvan University Teaching Hospital, Kathmandu 44600, Nepal
| | - Prakash Kafle
- Department of Neurosurgery, Nobel Medical College Teaching Hospital, Biratnagar, Nepal
| | - Binod Rajbhandari
- Department of Neurosurgery, Institute of Medicine, Tribhuvan University Teaching Hospital, Kathmandu 44600, Nepal
| | - Amit Bahadur Pradhanang
- Department of Neurosurgery, Institute of Medicine, Tribhuvan University Teaching Hospital, Kathmandu 44600, Nepal
| | - Shrestha Dipendra Kumar
- Department of Neurosurgery, Institute of Medicine, Tribhuvan University Teaching Hospital, Kathmandu 44600, Nepal
| | - Gopal Sedain
- Department of Neurosurgery, Institute of Medicine, Tribhuvan University Teaching Hospital, Kathmandu 44600, Nepal
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Fréneau M, Baron-Menguy C, Vion AC, Loirand G. Why Are Women Predisposed to Intracranial Aneurysm? Front Cardiovasc Med 2022; 9:815668. [PMID: 35224050 PMCID: PMC8866977 DOI: 10.3389/fcvm.2022.815668] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 01/11/2022] [Indexed: 12/21/2022] Open
Abstract
Intracranial aneurysm (IA) is a frequent and generally asymptomatic cerebrovascular abnormality characterized as a localized dilation and wall thinning of intracranial arteries that preferentially arises at the arterial bifurcations of the circle of Willis. The devastating complication of IA is its rupture, which results in subarachnoid hemorrhage that can lead to severe disability and death. IA affects about 3% of the general population with an average age for detection of rupture around 50 years. IAs, whether ruptured or unruptured, are more common in women than in men by about 60% overall, and more especially after the menopause where the risk is double-compared to men. Although these data support a protective role of estrogen, differences in the location and number of IAs observed in women and men under the age of 50 suggest that other underlying mechanisms participate to the greater IA prevalence in women. The aim of this review is to provide a comprehensive overview of the current data from both clinical and basic research and a synthesis of the proposed mechanisms that may explain why women are more prone to develop IA.
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Brust JC. Stroke and Substance Abuse. Stroke 2022. [DOI: 10.1016/b978-0-323-69424-7.00039-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Haddad YW, Korcari E, Polsinelli GN, Yuchuan D. The effect of cocaine and methamphetamine on saccular aneurysm formation and rupture: A literature review. BRAIN HEMORRHAGES 2021. [DOI: 10.1016/j.hest.2020.11.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Etminan N, Macdonald RL. Neurovascular disease, diagnosis, and therapy: Subarachnoid hemorrhage and cerebral vasospasm. HANDBOOK OF CLINICAL NEUROLOGY 2021; 176:135-169. [PMID: 33272393 DOI: 10.1016/b978-0-444-64034-5.00009-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The worldwide incidence of spontaneous subarachnoid hemorrhage is about 6.1 per 100,000 cases per year (Etminan et al., 2019). Eighty-five percent of cases are due to intracranial aneurysms. The mean age of those affected is 55 years, and two-thirds of the patients are female. The prognosis is related mainly to the neurologic condition after the subarachnoid hemorrhage and the age of the patient. Overall, 15% of patients die before reaching the hospital, another 20% die within 30 days, and overall 75% are dead or remain disabled. Case fatality has declined by 17% over the last 3 decades. Despite the improvement in outcome probably due to improved diagnosis, early aneurysm repair, administration of nimodipine, and advanced intensive care support, the outcome is not very good. Even among survivors, 75% have permanent cognitive deficits, mood disorders, fatigue, inability to return to work, and executive dysfunction and are often unable to return to their premorbid level of functioning. The key diagnostic test is computed tomography, and the treatments that are most strongly supported by scientific evidence are to undertake aneurysm repair in a timely fashion by endovascular coiling rather than neurosurgical clipping when feasible and to administer enteral nimodipine. The most common complications are aneurysm rebleeding, hydrocephalus, delayed cerebral ischemia, and medical complications (fever, anemia, and hyperglycemia). Management also probably is optimized by neurologic intensive care units and multidisciplinary teams.
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Affiliation(s)
- Nima Etminan
- Department of Neurosurgery, University Hospital Mannheim, University of Heidelberg, Mannheim, Germany
| | - R Loch Macdonald
- Department of Neurological Surgery, University of California San Francisco, San Francisco, CA, United States.
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11
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Impact of smoking on course and outcome of aneurysmal subarachnoid hemorrhage. Acta Neurochir (Wien) 2020; 162:3117-3128. [PMID: 32728905 PMCID: PMC7593300 DOI: 10.1007/s00701-020-04506-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Accepted: 07/17/2020] [Indexed: 01/09/2023]
Abstract
Background While the smoking-related risk of experiencing an aneurysmal subarachnoid hemorrhage (aSAH) is well established, it remains unclear whether smoking has an unexpected “protective effect” in aSAH, or if smokers are more at risk for complications and poor outcomes. Methods Prospective, observational study investigating the course and outcome of aSAH in patients admitted during the years 2011 and 2012. Smoking status at admittance, demographic, medical, and radiological variables were registered along with management, complications, and outcome at 1 year in terms of mortality, modified Rankin score, and Glasgow outcome score extended. We compared current smokers with nonsmokers on group level and by paired analysis matched by aSAH severity, age, and severity of vasospasm. Results We included 237 patients, thereof 138 current smokers (58.2%). Seventy-four smoker/nonsmoker pairs were matched. Smokers presented more often in poor clinical grade, had less subarachnoid blood, and were younger than nonsmokers. Ruptured aneurysms were larger, and multiple aneurysms more common in smokers. Severe multi-vessel vasospasm was less frequent in smokers, whereas all other complications occurred at similar rates. Mortality at 30 days was lower in smokers and functional outcome was similar in smokers and nonsmokers. Poor clinical grade, age, cerebral infarction, and vertebrobasilar aneurysms were independent predictors of 1-year mortality and of poor functional outcome. Serious comorbidity was a predictor of 1-year mortality. Smoking did not predict mortality or poor functional outcome. Conclusions Notwithstanding clinically more severe aSAH, smokers developed less frequently severe vasospasm and had better outcome than expected. The risk for complications after aSAH is not increased in smokers.
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Rosi Junior J, Gomes Dos Santos A, da Silva SA, Iglesio RF, Caldas JGMP, Rabelo NN, Teixeira MJ, Preul MC, Spetzler RF, Figueiredo EG. Multiple and mirror intracranial aneurysms: study of prevalence and associated risk factors. Br J Neurosurg 2020; 35:780-784. [PMID: 33164602 DOI: 10.1080/02688697.2020.1817849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
OBJECTIVE Multiple intracranial aneurysms (MIA) account for 30% of all intracranial aneurysms, while mirror aneurysms, a subgroup of MIA, are present in 5% of all patients with cerebral aneurysms. We investigated the risk factors associated with the presence of multiple and mirror intracranial aneurysms. METHODS 1404 patients, 314 males (22.4%) and 1090 female (77.6%) were enrolled for this study. Diagnosis was performed with a digital subtraction angiography (DSA). Multiplicity was defined as the presence of two or more aneurysms and mirror aneurysms as one pair of aneurysms involving bilateral corresponding arteries. Patients were followed-up from September 2009 till August 2018. Individuals' characteristics such as sex, age, smoking, hypertension and use of contraceptives were evaluated. RESULTS Five hundred and twelve patients (36.4%) were diagnosed with MIA, approximately 4%/year. We observed 203 pairs of mirror aneurysms, accounting for 406 aneurysms (13% of the population). There was an increased frequency of females with multiple (p < 0.001, OR = 1.883, 95% CI = 1.386-2.560) and mirror aneurysms (p < 0.001, OR = 2.828, 95% CI = 1.725-4.636). Smoking was associated with multiplicity (p< 0.001, OR = 1.458, 95% CI = 1.160-1.833), as well as advanced age (p < 0.001, OR = 1.938, 95% CI = 1.438-2.611), but there was no significant relation with presence of mirror aneurysms. We observed higher frequency of baby aneurysms (<3mm) in the group of patients with MIA, while giant aneurysms (>25 mm) were most found in patients with only one aneurysm (p < 0.001). No differences between patients who used contraceptives against patients who did not use were found (p = 0.600). CONCLUSIONS Gender and smoking, known risk factors to the development of a single intracranial aneurysm, are proportionally increased in patients with MIA. Hypertension and oral contraceptives were not associated with multiplicity.
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Affiliation(s)
- Jefferson Rosi Junior
- Division of Neurological Surgery, Hospital das Clinicas, University of São Paulo Medical School, Sao Paulo, Brazil
| | - Alexandra Gomes Dos Santos
- Division of Neurological Surgery, Hospital das Clinicas, University of São Paulo Medical School, Sao Paulo, Brazil
| | - Saul Almeida da Silva
- Division of Neurological Surgery, Hospital das Clinicas, University of São Paulo Medical School, Sao Paulo, Brazil
| | - Ricardo Ferrareto Iglesio
- Division of Neurological Surgery, Hospital das Clinicas, University of São Paulo Medical School, Sao Paulo, Brazil
| | | | - Nicollas Nunes Rabelo
- Division of Neurological Surgery, Hospital das Clinicas, University of São Paulo Medical School, Sao Paulo, Brazil
| | - Manoel Jacobsen Teixeira
- Division of Neurological Surgery, Hospital das Clinicas, University of São Paulo Medical School, Sao Paulo, Brazil
| | - Mark C Preul
- Division of Neurological Surgery, Barrow Neurological Institute, Phoenix, AZ, USA
| | - Robert F Spetzler
- Division of Neurological Surgery, Barrow Neurological Institute, Phoenix, AZ, USA
| | - Eberval Gadelha Figueiredo
- Division of Neurological Surgery, Hospital das Clinicas, University of São Paulo Medical School, Sao Paulo, Brazil
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Xin WQ, Sun PJ, Li F, Cheng MX, Yang SX, Cui BL, Wang ZG, Yang XY. Risk factors involved in the formation of multiple intracranial aneurysms. Clin Neurol Neurosurg 2020; 198:106172. [PMID: 32942133 DOI: 10.1016/j.clineuro.2020.106172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 08/05/2020] [Accepted: 08/20/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND Although several risk factors of the multiple intracranial aneurysms (MIAs) formation has been reported, the results are controversial. We aimed to find out the risk factors of MIAs formation by analyzing our clinic data combined with a meta-analysis. MATERIAL AND METHODS A retrospective review work of medical records for the patients with aneurysms was undertaken. Univariate analysis was used to examine all mentioned variables. Binary logistic regression analysis was used to identify the risk factors of MIAs formation. RESULTS In the retrospective review work, a total of 565 patients with aneurysm were included in this study. Of these 565 participants, 449 patients suffered SIAs and 116 patients suffered MIAs. Univariate analysis showed a significant difference in terms of female, cigarette smoking, family history of hypertension, and primary hypertension between the SIAs and MIAs group. The binary logistic regression analysis showed that the female (OR = 1.624), primary hypertension (OR = 1.563), and family history of hypertension (OR = 2.496) were independent risk factors of the formation of MIAs (for each P < 0.05). With regard to the meta-analysis results, it revealed that there was significant difference in the rates of female (P < 0.001), cigarette smoking (P < 0.001), primary hypertension (P = 0.001), and higher age (P = 0.011) among the MIAs patients. CONCLUSIONS A higher rate of the formation of MIAs is closely associated with the elder and female. Patients with hypertension history, cigarette smoking, and family primary hypertension history also affected the formation of MIAs, these risk factors should be a guard against.
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Affiliation(s)
- Wen-Qiang Xin
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, PR China; Department of Neurology, University Medical Center Goettingen, Robert-Koch-Str. 40, 37075, Goettingen, Germany.
| | - Peng-Ju Sun
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, PR China.
| | - Fan Li
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, PR China.
| | - Ming-Xun Cheng
- Department of Vascular Surgery, The First Affiliated Hospital of Jiamusi University Jiamusi, Heilongjiang Province, 154002, PR China.
| | - Shi-Xue Yang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, PR China.
| | - Bao-Long Cui
- Department of Neurology, University Medical Center Goettingen, Robert-Koch-Str. 40, 37075, Goettingen, Germany.
| | - Zeng-Guang Wang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, PR China.
| | - Xin-Yu Yang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, PR China.
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Multivariable analysis on factors associated with aneurysm rupture in patients with multiple intracranial aneurysms. Emerg Radiol 2020; 27:487-494. [DOI: 10.1007/s10140-020-01790-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 05/06/2020] [Indexed: 10/24/2022]
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15
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Post Craniotomy Late Fuji Mountain Pneumocephalus: Case Report. ARCHIVES OF NEUROSCIENCE 2020. [DOI: 10.5812/ans.98528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Júnior JR, Telles JPM, da Silva SA, Iglesio RF, Brigido MM, Pereira Caldas JGM, Teixeira MJ, Figueiredo EG. Epidemiological analysis of 1404 patients with intracranial aneurysm followed in a single Brazilian institution. Surg Neurol Int 2020; 10:249. [PMID: 31893150 PMCID: PMC6935967 DOI: 10.25259/sni_443_2019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 11/29/2019] [Indexed: 01/01/2023] Open
Abstract
Background: We sought to evaluate the epidemiology of intracranial aneurysms in relation to location, gender, age, presence of multiple aneurysms, and comorbidities in the Brazilian population. Methods: We performed a prospective analysis of a cohort of 1404 patients diagnosed with intracranial aneurysm admitted to the Hospital das Clinicas of the University of Sao Paulo, a referral hospital for the treatment of cerebrovascular diseases in Brazil. Patients admitted between September 2009 and September 2018 with radiological diagnosis of intracranial aneurysm were included in the study. Results: A total of 2251 aneurysms were diagnosed. Females accounted for 1090 aneurysms (77.6%) and the mean age at diagnosis was 54.9 years (ranging 15–88). The most common location was middle cerebral artery (MCA) with 593 aneurysms (26.3%) followed by anterior cerebral artery (ACA) with 417 aneurysms (18.5%) and internal carotid artery in the posterior communicating segment with 405 aneurysms (18.0%). Males had higher rates of ACA aneurysms (29.7%) while females had higher rates of MCA aneurysms (26.1%). Sorting by size, 492 aneurysms were <5 mm (21.8%), 1524 measured 5–10 mm (67.7%), 119 size 11–24 mm (5.3%), and 116 were >24 mm (5.2%). The occurrence of multiple aneurysms was associated with female gender (P < 0.001) and smoking (P < 0.001), but not with hypertension (P = 0.121). Conclusion: In this population, the occurrence of intracranial aneurysm is related to several factors, including gender, age, smoking, and hypertension. Our study brought to light important characteristics of a large number of Brazilian patients regarding epidemiology, location, size, and multiplicity of intracranial aneurysms.
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Affiliation(s)
- Jefferson Rosi Júnior
- Division of Neurological Surgery, Hospital das Clinicas HCFMUSP, University of Sao Paulo
| | | | - Saul Almeida da Silva
- Division of Neurological Surgery, Hospital das Clinicas HCFMUSP, University of Sao Paulo
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17
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Phuc DD, Thuan DD, Dai PD, Duc DM, Anh NQ, Nga NT, Toi CD, Phuong DV, Mai DT. Surpass Flow-Diverter in the Treatment of Two Wide-Neck Aneurysms in the Scheme of an Arteriovenous Malformation Patient: A Case Study. Open Access Maced J Med Sci 2019; 7:4316-4318. [PMID: 32215085 PMCID: PMC7084036 DOI: 10.3889/oamjms.2019.382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 11/20/2019] [Accepted: 11/21/2019] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND: The cerebral arterial aneurysm, especially in the circumstances of ateriovenous malformation (AVM), has higher risk of rupture than normal isolated aneursym. Therefore, the treatment strategy needs to be plan very carefully in such case. CASE PRESENTATION We report a patient with 2 wide-neck aneurysms located in the feeding artery of the arteriovenous malformation and he, then, was treated by using Surpass stent (flow-diverter) to eliminate the aneurysms. CONCLUSION: In our case, multiple wide-neck aneurysms in combination with low risk unruptured AVM, using long Surpass stent-diversion is an effective way to eliminate all the aneurysms in the main feeding artery while still preserving the AVM anatomy.
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Affiliation(s)
- Dang Duc Phuc
- Department of Stroke, Military Hospital 103, No 261 Phung Hung Street, Ha Dong District, Hanoi, Vietnam
| | - Do Duc Thuan
- Department of Stroke, Military Hospital 103, No 261 Phung Hung Street, Ha Dong District, Hanoi, Vietnam
| | - Pham Dinh Dai
- Department of Stroke, Military Hospital 103, No 261 Phung Hung Street, Ha Dong District, Hanoi, Vietnam
| | - Dang Minh Duc
- Department of Stroke, Military Hospital 103, No 261 Phung Hung Street, Ha Dong District, Hanoi, Vietnam
| | - Nguyen Quang Anh
- Radiology Center, Bach Mai Hospital, Hanoi, Vietnam.,Faculty of Radiology, Hanoi Medical University, Hanoi, Vietnam
| | - Nguyen Thi Nga
- Institute for Research and Development, Duy Tan University, 03 Quang Trung, Danang, Vietnam
| | - Chu Dinh Toi
- Faculty of Biology, Hanoi National University of Education, Hanoi, Vietnam
| | | | - Duy Ton Mai
- Emergency Department, Bach Mai Hospital, Hanoi, Vietnam
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18
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Rajagopal N, Yamada Y, Balaji A, Kawase T, Kato Y. Rare cases of multiple unruptured intracranial aneurysms: Illustrative report and review on management options. INTERDISCIPLINARY NEUROSURGERY 2019. [DOI: 10.1016/j.inat.2019.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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19
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Rajagopal N, Balaji A, Yamada Y, Kawase T, Kato Y. Etiopathogenesis, clinical presentation and management options of mirror aneurysms: A comparative analysis with non-mirror multiple aneurysms. INTERDISCIPLINARY NEUROSURGERY 2019. [DOI: 10.1016/j.inat.2019.100535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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20
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Sunderland K, Jiang J. Multivariate analysis of hemodynamic parameters on intracranial aneurysm initiation of the internal carotid artery. Med Eng Phys 2019; 74:129-136. [PMID: 31548156 DOI: 10.1016/j.medengphy.2019.09.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 07/30/2019] [Accepted: 09/08/2019] [Indexed: 01/10/2023]
Abstract
Although fluctuating hemodynamic wall stressors are known to impact intracranial aneurysms (IA) initiation, specificity of those stressors has not been evaluated. In this study, using human IA data, we investigated: (1) specificity of stressors in regions with and without IA eventual IA formation; and (2) how combinations of multiple stressors could improve IA formation prediction. 3D computational vasculatures were constructed based on angiographic images of 18 subjects having multiple closely-spaced IAs in the internal carotid artery. Two models were created: Model A with all IAs computationally removed, Model B which kept keep one IA. Computational fluid dynamics (CFD) simulated flow within models. Based on simulated flow fields, wall shear stress and its gradient (WSS, WSSG), oscillatory shear index (OSI), gradient oscillatory number (GON), aneurysm formation index (AFI), and mean number of swirling flow vortices (MV) were analysed. Multivariate logistic regression determined the accuracy of different combinations of those above-mentioned stressors. Overall, we found that combining hemodynamic stressors improves IA formation prediction over individual indices. Both Model A and Model B's parsimonious model was MV+WSS+GON: AUROC 0.88 and 0.83, respectively. Future studies are planned to understand biological meanings induced by fluctuating stressors.
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Affiliation(s)
- K Sunderland
- Michigan Technological University, 1400 Townsend Drive, Houghton, MI, USA.
| | - J Jiang
- Michigan Technological University, 1400 Townsend Drive, Houghton, MI, USA.
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21
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Shin YW, Park KI, Moon J, Lee ST, Chu K, Lee SK, Roh JK, Jung KH. Association of Bone Mineral Density With the Risk of Intracranial Aneurysm. JAMA Neurol 2019; 75:179-186. [PMID: 29049519 DOI: 10.1001/jamaneurol.2017.3431] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Importance Disruption of extracellular matrix integrity is critically involved in both intracranial aneurysm and bone fragility. Furthermore, both intracranial aneurysm and osteoporosis have a female predominance, and sex hormones are considered to affect this discrepancy. Objective To evaluate the association between bone mineral density and intracranial aneurysm. Design, Setting, and Participants A cross-sectional study conducted with 14 328 patients who underwent brain magnetic resonance angiography and bone mineral densitometry as a part of a health examination at a specialized center for comprehensive health examination in Seoul, the largest metropolitan area in the Republic of Korea, between December 2004 and November 2015. After excluding patients with insufficient clinical information (n = 1102) and with ambiguous intracranial arterial lesion (n = 441), 12 785 were included in the analysis. Exposures Bone mineral density was measured at the lumbar vertebrae (L1 to L4), femur neck, and total hip using dual-energy x-ray absorptiometry. Main Outcomes and Measures Multiple logistic regression or linear regression was used to examine the association between tertiles of bone mineral density and the presence, size, and multiplicity of intracranial aneurysms. In secondary analyses, we analyzed postmenopausal women and men 50 years and older (n = 8722) because they are particularly at risk of decreased bone mineral density. Results Among 12 785 patients in the study (7242 women [56.6%]; mean [SD] age, 54.8 [10.1] years) intracranial aneurysms were found in 472 patients (3.7%). Lower bone mineral density was associated with an increased risk of harboring intracranial aneurysm. In multivariable logistic regression analyses, odds ratios for the highest compared with the lowest bone mineral density tertile were 1.30 (95% CI, 1.03-1.64) in the lumbar spine, 1.30 (95% CI, 1.03-1.64) in the femoral neck, and 1.27 (95% CI, 1.01-1.60) in the total hip after adjusting for age, sex, and vascular risk factors. In a linear regression model adjusted for age, sex, and vascular risk factors, the lowest tertile of bone mineral density in the lumbar spine was associated with an increased log-transformed size of aneurysm (β, 0.196; SE, 0.047). In secondary analyses, these associations were more definite and a low T score (<-1 SD) was additionally associated with multiple aneurysms (OR, 1.84; 95% CI, 1.05-3.30) after adjusting for age, sex, and vascular risk factors. Conclusions and Relevance Bone mineral density may be associated with the presence, size, and multiplicity of intracranial aneurysm. The study findings provide evidence for shared pathophysiology between intracranial aneurysm and bone fragility.
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Affiliation(s)
- Yong-Won Shin
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea.,Yeongjusi Health Center, Gyeongsangbuk-do, Republic of Korea
| | - Kyung-Il Park
- Department of Neurology, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Republic of Korea
| | - Jangsup Moon
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea
| | - Soon-Tae Lee
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea
| | - Kon Chu
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea
| | - Sang Kun Lee
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jae-Kyu Roh
- Department of Neurology, The Armed Forces Capital Hospital, Sungnam, Republic of Korea
| | - Keun-Hwa Jung
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea
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22
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Liang B, Lesley WS, Robinson TM, Chen W, Benardete EA, Huang JH. Off-Label Application of Pipeline Embolization Device for Intracranial Aneurysms. Neurointervention 2019; 14:116-124. [PMID: 31302986 PMCID: PMC6736497 DOI: 10.5469/neuroint.2019.00073] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Revised: 05/22/2019] [Accepted: 06/03/2019] [Indexed: 11/24/2022] Open
Abstract
PURPOSE The Pipeline embolization device (PED) is approved in the USA for treating giant and large aneurysms arising from the petrous to superior hypophyseal segments of the internal carotid artery in patients older than 21 years of age. This study investigates off-label PED results in a large cohort. MATERIALS AND METHODS Retrospective, single-center review of all patients who had off-label PED surgery. RESULTS Sixty-two aneurysms (48 patients) underwent off-label PED treatment from 2012- 2017. There were 44 females and four males (age 21 to 75 years; mean/median, 54.3/55.0 years). The most common presenting symptom was headache (47/62, 75.8%). All aneurysms were in the anterior circulation. Aneurysm size ranged from 1.4 to 25.0 mm (mean/median, 7.6/6.9 mm). Fifty-two aneurysms had post-operative imaging with total/near-complete occlusion of 84.6% (44/52). Aneurysm-based operative near-term complication rate was 9.7% while there were no permanent complications. For aneurysms and headache, 86.7% improved/resolved after embo-surgery, and were four times more likely to have a better clinical outcome (resolved or improved symptoms) after surgery (odds ratio [OR], 4.333; P=0.0325). Left-sided aneurysms had a higher occlusion rate (OR, 20; P=0.0073). Hypertension (OR, 4.2; P=0.0332) and smoking (OR, 7; P=0.0155) were more prone towards aneurysm occlusion. Patients without a family history were 14 times more likely to have favorable imaging outcome (P=0.0405). There is no difference of occlusion rates between untreated and previously treated aneurysms (P=0.6894). Overall, occlusion rate decreased by 14% with an increase of aneurysm size by 1 mm (P=0.0283). CONCLUSION For anterior circulation aneurysms, the off-label application of PED is as effective and safe as reported for on-label intracranial aneurysms.
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Affiliation(s)
- Buqing Liang
- Department of Neurosurgery, Baylor Scott & White Health, Temple, TX, USA
- Texas A&M University HSC-COM, Temple, TX, USA
| | - Walter S. Lesley
- Department of Neurosurgery, Baylor Scott & White Health, Temple, TX, USA
- Texas A&M University HSC-COM, Temple, TX, USA
| | - Timothy M. Robinson
- Department of Neurosurgery, Baylor Scott & White Health, Temple, TX, USA
- Texas A&M University HSC-COM, Temple, TX, USA
| | - Wencong Chen
- Department of Biostatistics, Baylor Scott & White Research Institute, Temple, TX, USA
| | - Ethan A. Benardete
- Department of Neurosurgery, Baylor Scott & White Health, Temple, TX, USA
- Texas A&M University HSC-COM, Temple, TX, USA
| | - Jason H. Huang
- Department of Neurosurgery, Baylor Scott & White Health, Temple, TX, USA
- Texas A&M University HSC-COM, Temple, TX, USA
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23
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Sunderland K, Huang Q, Strother C, Jiang J. Two closely-spaced Aneurysms of the Supraclinoid Internal Carotid Artery: How Does One Influence the Other? J Biomech Eng 2019; 141:2735303. [PMID: 31141586 DOI: 10.1115/1.4043868] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Indexed: 11/08/2022]
Abstract
The objective of this study was to use image-based CFD simulation techniques to analyze the impact that multiple closely spaced IAs of the supra-clinioid segment of the ICA have on each other's hemodynamic characteristics. The vascular geometry of fifteen (15) subjects with 2 IAs were gathered using a 3D clinical system. Two groups of computer models were created for each subject's vascular geometry: both IAs present (Model A) and after removal of one IA (Model B). Models were separated into two groups based on IA separation: tandem (one proximal and one distal) and tandem (aneurysms directly opposite on a vessel). Simulations using a pulsatile velocity waveform were solved by a commercial CFD solver. Proximal IAs altered flow into distal IAs (5 of 7), increasing flow energy and spatial-temporally averaged wall shear stress (STA-WSS: 3-50\% comparing Model A to B) while decreasing flow stability within distal IAs. Thus, proximal IAs may ``protect" a distal aneurysm from destructive remodeling due to flow stagnation. Among adjacent IAs, the presence of both IAs decreased each other's flow characteristics, lowering WSS (Model A to B) and increasing flow stability: all changes statistically significant (t-test p < 0.05). A negative relationship exists between the mean percent change in flow stability in relation to adjacent IA volume and ostium area. Closely spaced IAs impact hemodynamic alterations onto each other concerning flow energy, stressors and stability. Understanding these alterations may improve clinical management of closely-spaced IAs.
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Affiliation(s)
- Kevin Sunderland
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan 49931
| | - Qinghai Huang
- Department of Neurosurgery, Chonghai Hospital, Second Military University, Shanghai, China
| | - Charlie Strother
- Department of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, 53705
| | - Jingfeng Jiang
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan 49931
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24
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Janjua MB, Reddy S, Welch WC, Ozturk AK, Price AV, Weprin B, Swift DM, Krisht AF. Concomitant ruptured anterior circulation and unruptured posterior circulation aneurysms: Treatment strategy and review of literature. J Clin Neurosci 2019; 66:252-258. [PMID: 31113699 DOI: 10.1016/j.jocn.2019.04.040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Revised: 03/22/2019] [Accepted: 04/28/2019] [Indexed: 10/26/2022]
Abstract
Basilar artery apex or bifurcation is the most common location for aneurysms arising from posterior cerebral circulation. Reports of unruptured aneurysms of the basilar bifurcation associated with ruptured anterior circulation aneurysms are rare. The presence of multiple intracranial aneurysms poses a significantly high risk to management than a single aneurysm due several factors involved. Surgical management is considered the best treatment modality for most aneurysmal types and location with quite a few limitations when applicable. Authors have conducted a literature review of anterior and posterior circulation concomitant aneurysms and report their own experience with a case of anterior communicating artery blister type aneurysmal rupture presented with the symptoms and signs of subarachnoid hemorrhage concomitant with an unruptured basilar artery bifurcation aneurysm. Moreover, the anomalous origin of thalamoperforators at the basilar apex instead of the posterior cerebral artery makes it reasonably challenging for the microsurgical clipping. Discussed is the clinical presentation, radiological studies obtained, surgical approach utilized with an adequate exposure of the entire circle of Willis as well as the critical decision making when managing these challenging cases.
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Affiliation(s)
- M Burhan Janjua
- Department of Neurological Surgery, University of Texas Southwestern Medical Center, United States; Department of Neurological Surgery, CHI St. Vincent Arkansas Neuroscience Institute, Little Rock, AR, United States.
| | - Sumanth Reddy
- Department of Neurological Surgery, University of Texas Southwestern Medical Center, United States
| | - William C Welch
- Department of Neurological Surgery, University of Pennsylvania Hospital, United States
| | - Ali K Ozturk
- Department of Neurological Surgery, University of Pennsylvania Hospital, United States
| | - Angela V Price
- Department of Neurological Surgery, University of Texas Southwestern Medical Center, United States
| | - Bradley Weprin
- Department of Neurological Surgery, University of Texas Southwestern Medical Center, United States
| | - Dale M Swift
- Department of Neurological Surgery, University of Texas Southwestern Medical Center, United States
| | - Ali F Krisht
- Department of Neurological Surgery, CHI St. Vincent Arkansas Neuroscience Institute, Little Rock, AR, United States
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25
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Cho BH, Kim JH, Suh SH, Baik SJ, Lee HS, Kim J, Lee KY. Characteristics of Intracranial Aneurysms According to Levels of Coronary Artery Calcium. Stroke 2019; 50:1403-1408. [PMID: 31084330 DOI: 10.1161/strokeaha.119.024726] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Background and Purpose- Several vascular risk factors are known to be associated with the occurrence of intracranial aneurysms (IAs). Coronary artery calcium (CAC), which reflects the atherosclerotic burden of the coronary arteries, is a known predictor of cardiovascular events and stroke. We investigated the relationship between IA and CAC. Methods- We retrospectively enrolled Korean subjects at a single university hospital who had both brain magnetic resonance angiography and cardiac computed tomography as part of health examinations from January 2010 to July 2017. Subjects were categorized into 4 groups according to CAC score as assessed by cardiac computed tomography: zero (0), low (1-99), intermediate (100-399), or high (≥400). Then, the prevalence of IA in each CAC score group was assessed. We also performed subgroup analysis by age, sex, and location of IA. Results- A total of 4934 subjects (mean age, 54.1±9.8 years; %women, 42.2%) were included for analysis. IAs were detected in 258 subjects (5.23%). The prevalence of IA significantly increased as the CAC score increased (4.8%, 5.4%, 6.4%, and 11.1%, respectively; P for trend, 0.004). In subjects over the age of 50 years, this correlation was more prominent in women than in men (7.1% versus 3.7%, 8.8% versus 4.4%, 8.6% versus 6.3%, and 21.1% versus 10.0%, respectively). Subgroup analysis for the aneurysm location showed that nonbifurcation aneurysm was associated with a high CAC score but bifurcation aneurysm was not. Multivariate logistic regression showed high CAC score was an independent risk factor for the presence of IA compared with zero CAC score (adjusted odds ratio, 2.16; 95% CI, 1.18-3.95). Conclusions- A high CAC score was associated with the presence of IA. This relationship was more prominent in females and nonbifurcation aneurysms.
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Affiliation(s)
- Bang-Hoon Cho
- From the Department of Neurology, Gangnam Severance Hospital (B.-H.C., J.H.K., J.K., K.-Y.L.), Yonsei University College of Medicine, Seoul, Korea.,Department of Neurology, Korea University Anam Hospital, Korea University College of Medicine, Seoul (B.-H.C.)
| | - Ji Hwa Kim
- From the Department of Neurology, Gangnam Severance Hospital (B.-H.C., J.H.K., J.K., K.-Y.L.), Yonsei University College of Medicine, Seoul, Korea
| | - Sang Hyun Suh
- Department of Radiology, Gangnam Severance Hospital (S.H.S.), Yonsei University College of Medicine, Seoul, Korea
| | - Su Jung Baik
- Healthcare Research Team, Health Promotion Center, Gangnam Severance Hospital (S.J.B.), Yonsei University College of Medicine, Seoul, Korea
| | - Hye Sun Lee
- Biostatistics Collaboration Unit (H.S.L.), Yonsei University College of Medicine, Seoul, Korea
| | - Jinkwon Kim
- From the Department of Neurology, Gangnam Severance Hospital (B.-H.C., J.H.K., J.K., K.-Y.L.), Yonsei University College of Medicine, Seoul, Korea
| | - Kyung-Yul Lee
- From the Department of Neurology, Gangnam Severance Hospital (B.-H.C., J.H.K., J.K., K.-Y.L.), Yonsei University College of Medicine, Seoul, Korea.,Severance Institute for Vascular and Metabolic Research (K.-Y.L.), Yonsei University College of Medicine, Seoul, Korea
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26
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Management of intracranial haemorrhage, unruptured aneurysms and arteriovenous malformations during and after pregnancy. Curr Opin Neurol 2019; 32:36-42. [DOI: 10.1097/wco.0000000000000643] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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27
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Dilating Vascular Diseases: Pathophysiology and Clinical Aspects. Int J Vasc Med 2018; 2018:9024278. [PMID: 30225143 PMCID: PMC6129317 DOI: 10.1155/2018/9024278] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Accepted: 07/29/2018] [Indexed: 01/22/2023] Open
Abstract
Atherosclerotic disease of the vessels is a significant problem affecting mortality and morbidity all over the world. However, dilatation of the vessels either in the arterial system or in the venous territory is another vessel disease. Varicocele, pelvic, and peripheral varicose veins and hemorrhoids are aneurysms of the venous vascular regions and have been defined as dilating venous disease, recently. Coronary artery ectasia, intracranial aneurysm, and abdominal aortic aneurysm are examples of arterial dilating vascular diseases. Mostly, they have been defined as variants of atherosclerosis. Although there are some similarities in terms of pathogenesis, they are distinct from atherosclerotic disease of the vessels. In addition, pathophysiological and histological similarities and clinical coexistence of these diseases have been demonstrated both in the arterial and in the venous system. This situation underlies the thought that dilatation of the vessels in any vascular territory should be considered as a systemic vessel wall disease rather than being a local disease of any vessel. These patients should be evaluated for other dilating vascular diseases in a systematic manner.
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28
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Choi HH, Cho YD, Yoo DH, Lee J, Mun JH, An SJ, Kang HS, Cho WS, Kim JE, Han MH. Intracranial Mirror Aneurysms: Anatomic Characteristics and Treatment Options. Korean J Radiol 2018; 19:849-858. [PMID: 30174473 PMCID: PMC6082764 DOI: 10.3348/kjr.2018.19.5.849] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2017] [Accepted: 02/03/2018] [Indexed: 11/29/2022] Open
Abstract
Objective Mirror aneurysms are generally considered as a subset of multiple aneurysms, defined as aneurysms occurring bilaterally and symmetrically on the same-named vessels. Although not infrequent, the characteristics of mirror aneurysms are not well studied. This investigation was conducted to elucidate the anatomic features of such lesions and examine treatment options. Materials and Methods A retrospective review was conducted, aimed at 172 patients treated for 344 mirror aneurysms between January 2007 and December 2015. Aneurysms of similar nature but in asymmetric locations on the same-named vessels were excluded. All available records were examined and lesion characteristics, as well as treatment outcomes were assessed. Results In study subjects (n = 172), mirror aneurysms most often involved middle cerebral artery bifurcation (n = 83), followed by a paraclinoid internal carotid artery (n = 50) and posterior communicating artery (n = 21). Most of the lesions (95.3%) measured ≤ 10 mm, and in 126 patients (74.6%), the size ratios were > 50%. Of the 344 aneurysms studied, coil embolization was undertaken in 217, surgical clipping in 62, and observation alone (no treatment) in 65. Coil embolization and surgical clipping were done bilaterally in 83 and 12 patients, respectively. In 12 patients, combined coiling and clipping were implemented on each side. Single-stage coil embolization of both the aneurysms was performed in 73 patients, with excellent post-procedural (85.6%) and follow-up (86.8%) occlusive results. There was no procedure-related morbidity or mortality. Conclusion By adopting different treatment strategies to different configurations and vascular sources, mirror aneurysms can be safely and effectively treated. If feasible, single-stage coil embolization should be considered as a reasonable treatment option for mirror aneurysms.
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Affiliation(s)
- Hyun Ho Choi
- Department of Neurosurgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul 06974, Korea
| | - Young Dae Cho
- Department of Radiology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Dong Hyun Yoo
- Department of Radiology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Jeongjun Lee
- Department of Neurosurgery, Dongguk University Ilsan Hospital, Dongguk University College of Medicine, Goyang 10326, Korea
| | - Jong Hyeon Mun
- Department of Neurosurgery, Kwangju Christian Hospital, Gwangju 61661, Korea
| | - Sang Joon An
- Department of Neurology, International St. Mary's Hospital, Catholic Kwandong University of Korea College of Medicine, Incheon 22711, Korea
| | - Hyun-Seung Kang
- Department of Neurosurgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Won-Sang Cho
- Department of Neurosurgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Jeong Eun Kim
- Department of Neurosurgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Moon Hee Han
- Department of Radiology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul 03080, Korea.,Department of Neurosurgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul 03080, Korea
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29
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Roethlisberger M, Achermann R, Bawarjan S, Stienen MN, Fung C, D’Alonzo D, Maldaner N, Ferrari A, Corniola MV, Schöni D, Goldberg J, Valsecchi D, Robert T, Maduri R, Seule MA, Burkhardt JK, Marbacher S, Bijlenga P, Blackham KA, Bucher HC, Mariani L, Guzman R, Zumofen DW. Impact of Aneurysm Multiplicity on Treatment and Outcome After Aneurysmal Subarachnoid Hemorrhage. Neurosurgery 2018; 84:E334-E344. [DOI: 10.1093/neuros/nyy331] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 06/21/2018] [Indexed: 11/12/2022] Open
Affiliation(s)
- Michel Roethlisberger
- Department of Neurosurgery, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Rita Achermann
- Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Schatlo Bawarjan
- Department of Neurosurgery, University Hospital Göttingen, Göttingen, Germany
| | - Martin N Stienen
- Department of Neurosurgery, University Hospital Zurich, Zurich, Switzerland
| | - Christian Fung
- Department of Neurosurgery, Inselspital, University of Bern, Bern, Switzerland
| | - Donato D’Alonzo
- Department of Neurosurgery, Kantonsspital Aarau, Aarau, Switzerland
| | - Nicolai Maldaner
- Department of Neurosurgery, Kantonsspital Aarau, Aarau, Switzerland
| | - Andrea Ferrari
- Department of Neurosurgery, Kantonsspital St. Gallen, St. Gallen, Switzerland
| | - Marco V Corniola
- Department of Neurosurgery, Hopitaux Universitaires Genève, Geneva, Switzerland
| | - Daniel Schöni
- Department of Neurosurgery, Inselspital, University of Bern, Bern, Switzerland
| | - Johannes Goldberg
- Department of Neurosurgery, Inselspital, University of Bern, Bern, Switzerland
| | - Daniele Valsecchi
- Department of Neurosurgery, Ospedale Civico di Lugano, Lugano, Switzerland
| | - Thomas Robert
- Department of Neurosurgery, Ospedale Civico di Lugano, Lugano, Switzerland
| | - Rodolfo Maduri
- Service of Neurosurgery, Department of Clinical Neurosciences, University Hospital of Lausanne, Lausanne, Switzerland
| | - Martin A Seule
- Department of Neurosurgery, Kantonsspital St. Gallen, St. Gallen, Switzerland
| | - Jan-Karl Burkhardt
- Department of Neurological Surgery, NYU School of Medicine, NYU Langone Medical Center, New York, New York
| | - Serge Marbacher
- Department of Neurosurgery, Kantonsspital Aarau, Aarau, Switzerland
| | - Philippe Bijlenga
- Department of Neurosurgery, Hopitaux Universitaires Genève, Geneva, Switzerland
| | - Kristine A Blackham
- Department of Radiology, Division of Diagnostic and Interventional Neuroradiology, University Hospital Basel, Basel, Switzerland
| | - Heiner C Bucher
- Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Luigi Mariani
- Department of Neurosurgery, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Raphael Guzman
- Department of Neurosurgery, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Daniel W Zumofen
- Department of Neurosurgery, University Hospital Basel and University of Basel, Basel, Switzerland
- Department of Radiology, Division of Diagnostic and Interventional Neuroradiology, University Hospital Basel, Basel, Switzerland
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Risk Factors for and Clinical Consequences of Multiple Intracranial Aneurysms. Stroke 2018; 49:848-855. [DOI: 10.1161/strokeaha.117.020342] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 01/10/2018] [Accepted: 02/15/2018] [Indexed: 11/16/2022]
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Lv N, Tang H, Chen S, Wang X, Fang Y, Karmonik C, Huang Q, Liu J. Morphological Parameters Related to Aneurysm Wall Enhancement in Patients with Multiple Intracranial Aneurysms. World Neurosurg 2018. [PMID: 29524719 DOI: 10.1016/j.wneu.2018.02.182] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Vessel wall magnetic resonance imaging (MRI) has been suggested as a potential in vivo method to detect inflammation of aneurysm wall and identify unruptured intracranial aneurysm (UIA) at high risk for rupture. This study aims to investigate the correlation between aneurysm wall enhancement (AWE) on vessel wall MRI and rupture-related morphological parameters in patients with multiple UIAs. METHODS Clinical data and vessel wall MRI images were reviewed in 14 patients with 30 multiple UIAs. The AWE was defined as enhancement of the aneurysm wall in postcontrast vessel wall MRI using the precontrast MRI as a reference. Morphological parameters, including aneurysm size, aspect ratio, size ratio, bottleneck factor, height-to-width ratio, nonsphericity index (NSI), and inflow angle, were measured using 3-dimensional rotation angiography. Univariate and multivariate analyses were performed to evaluate the correlations between morphological parameters and the presence of AWE. RESULTS Sixteen of the 30 multiple UIAs presented with AWE on vessel wall MRI. On univariate analyses, UIAs with AWE were significantly larger (P = 0.001) and had significantly higher aspect ratio (P = 0.047), size ratio (P = 0.003), bottleneck factor (P = 0.007), and NSI (P = 0.007) values. Further multivariate logistic regression showed that aneurysm size (odds ratio, 3.54; 95% confidence interval, 1.10-11.35; P = 0.033) and NSI (odds ratio, 3.53; 95% confidence interval, 1.06-11.80; P = 0.040) were independently associated with the presence of AWE in multiple UIAs. CONCLUSIONS The presence of AWE on vessel wall MRI was significantly correlated with conventional morphological rupture risk factors in patients with multiple UIAs, which might indicate AWE as a potential radiologic predictor for UIAs with high rupture risk.
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Affiliation(s)
- Nan Lv
- Department of Neurosurgery, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Haishuang Tang
- Department of Neurosurgery, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Shiyue Chen
- Department of Radiology, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Xinrui Wang
- Department of Radiology, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Yibin Fang
- Department of Neurosurgery, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Christof Karmonik
- MRI Core, Houston Methodist Research Institute, Houston, Texas, USA.
| | - Qinghai Huang
- Department of Neurosurgery, Changhai Hospital, Second Military Medical University, Shanghai, China.
| | - Jianmin Liu
- Department of Neurosurgery, Changhai Hospital, Second Military Medical University, Shanghai, China
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Roethlisberger M, Achermann R, Bawarjan S, Stienen MN, Fung C, D'Alonzo D, Maldaner N, Ferrari A, Corniola MV, Schöni D, Valsecchi D, Maduri R, Seule MA, Burkhardt JK, Marbacher S, Bijlenga P, Blackham KA, Bucher HC, Mariani L, Guzman R, Zumofen DW, Fandino J, Colluccia D, Arrighi M, Venier A, Kuhlen DE, Robert T, Reinert M, Weyerbrock A, Hlavica M, Fournier JY, Raabe A, Beck J, Bervini D, Schaller K, Daniel RT, Starnoni D, Messerer M, Levivier M, Keller E, Regli L, Bozinov O, Finkenstaedt S, Remonda L, Stippich C, Gralla J, Kulcsar Z, Mendes-Pereira V, Ahlborn P, Smoll NR, Rohde V, Tok S, Baumann F, Kothbauer K, Kerkeni H, Dan-Ura H, Landolt H, Mostaguir K, Gasche Y, Sarrafzadeh A, Hildebrandt G, Winkler K, Woernle C, Bernays R. Predictors of Occurrence and Anatomic Distribution of Multiple Aneurysms in Patients with Aneurysmal Subarachnoid Hemorrhage. World Neurosurg 2018; 111:e199-e205. [DOI: 10.1016/j.wneu.2017.12.046] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 12/05/2017] [Accepted: 12/08/2017] [Indexed: 11/29/2022]
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Nakae R, Fujiki Y, Yokobori S, Naoe Y, Yokota H. Subarachnoid Aneurysmal Hemorrhage Associated with Coarctation of the Aorta: Case Report and Review of the Literature. J NIPPON MED SCH 2018; 84:186-192. [PMID: 28978900 DOI: 10.1272/jnms.84.186] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Intracranial aneurysms (IAs) that undergo rupture causing subarachnoid hemorrhage (SAH), are common in young patients with coarctation of the aorta (CoA), but rarer in middle-aged and elderly patients. The pathogenesis of IAs associated with CoA remains unclear. We report the case of a 50-year-old woman who presented with SAH. On evaluation, six IAs were distributed among the anterior communicating artery (ACoA) (ruptured), distal segments of both anterior cerebral arteries (ACA), the left internal carotid artery (ICA), the bifurcation of the left middle cerebral artery (MCA)/MCA early branch, and the inferior trunk of the left MCA. CoA was also diagnosed. The ruptured ACoA IA, and two other unruptured IAs, were successfully clipped during emergency surgery. Postoperative intensive care was instituted to avoid cerebral vasospasm and renal or spinal cord ischemia. During the same hospitalization, the remaining three IAs were clipped at a second surgery. She was discharged with slight cognitive impairment eighty days after admission. Subsequently, she underwent elective treatment for the CoA. According to the literature, IAs associated with CoA have a higher tendency to involve the ACoA than IAs without CoA. Moreover, adult CoA patients tend to have multiple IAs, considered to be due to hypertension associated with CoA, as well as genetic predisposition. In CoA patients, ruptured IAs should be treated as early as possible before correction of the CoA. Close postoperative observation with management of cerebral vasospasm, renal or spinal cord ischemia, and respiratory compromise in the perioperative period is vital.
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Affiliation(s)
- Ryuta Nakae
- Department of Emergency and Critical Care Medicine, Nippon Medical School.,Emergency and Critical Care Center, Kawaguchi Municipal Medical Center
| | - Yu Fujiki
- Department of Emergency and Critical Care Medicine, Nippon Medical School.,Emergency and Critical Care Center, Kawaguchi Municipal Medical Center
| | - Shoji Yokobori
- Department of Emergency and Critical Care Medicine, Nippon Medical School
| | - Yasutaka Naoe
- Department of Emergency and Critical Care Medicine, Nippon Medical School.,Emergency and Critical Care Center, Kawaguchi Municipal Medical Center
| | - Hiroyuki Yokota
- Department of Emergency and Critical Care Medicine, Nippon Medical School
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Asiltürk M, Abdallah A. Clinical outcomes of multiple aneurysms microsurgical clipping: Evaluation of 90 patients. Neurol Neurochir Pol 2018; 52:15-24. [DOI: 10.1016/j.pjnns.2017.09.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 07/26/2017] [Accepted: 09/14/2017] [Indexed: 10/18/2022]
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Rahmanian A, Jamali M, Bagheri Lankarani K, Ghahramani S. Aneurysmal subarachnoid haemorrhage (aSAH): Five consecutive years' experience of Fars province, Iran. PLoS One 2017; 12:e0189005. [PMID: 29190810 PMCID: PMC5708774 DOI: 10.1371/journal.pone.0189005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Accepted: 11/16/2017] [Indexed: 02/05/2023] Open
Abstract
OBJECTIVE Subarachnoid haemorrhage (SAH), caused by the rupture of intracranial aneurysms, is a devastating event with high rates of morbidity and mortality. Aneurysmal subarachnoid haemorrhage (aSAH) plays a critical role in the potential loss of life as its sufferers are usually of a young age. We aimed to investigate the incidence of aSAH along with the patients' characteristics over five consecutive years in Fars, a large province located in Southern Iran. METHODS In this prospective study, anonymous data of all patients diagnosed with aSAH in Fars province were collected after patient admission and surgery. Data from the last national census in 2011 were used to calculate the incidence. The data were analysed using SPSS software version 18 using independent sample t test, chi square test and ANOVA. The significance level was set at 0.05. RESULTS The number of aSAH cases identified in Fars, Iran, each year varied between 78 (2011) and 98 (2015) for a total of 421 aSAH cases within the 5-year study period. The annual aSAH incidence estimates showed no differences and were 1.65 [95% confidence interval (CI): 1.58-1.72], 1.70 (95%CI: 1.68-1.72), 1.71 (95%CI: 1.63-1.78), 1.82 (95%CI: 1.74-1.9), and 2.05 (95%CI: 1.97-2.13) per 100,000 persons, respectively, for the five consecutive years from 21 March 2011 to 20 March 2016. Hypertension was the most common risk factor, and was found in 198 (48%) aSAH patients. Ninety-four (22.5%) patients had moderate hydrocephalus on admission. Middle cerebral artery and anterior communicating artery were the most common sites of aneurysms. On admission, 351 (83%) patients had a Glasgow Coma Scale score >7, 197 (47%) presented with Hunt and Hess score of 1, and 365 (87%) had a Fisher score of ≤3. Multiple aneurysms were found in 59 (14%) of the 421 cases and the most common risk factors in multiple aneurysms were hypertension in 30 (51%) and smoking in 26 (44%) cases. Survival data were available only on patients diagnosed in year 2015, and the six-month survival rate was 89.8%. CONCLUSIONS This study revealed that although the incidence of aSAH remained stable, the survival of aSAH patients who reached the hospital alive and were operated on, improved in Shiraz (the six-month survival rate was 89.8% in year 2015). The incidence and survival study on aSAH in other geographic areas of Iran as a multi-centre study is recommended. There is a need to inform primary healthcare workers regarding the possibility of aSAH in a patient with signs of the sentinel headache.
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Affiliation(s)
| | - Mohammad Jamali
- Department of Neurosurgery, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Kamran Bagheri Lankarani
- Health Policy Research Center, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sulmaz Ghahramani
- Health Policy Research Center, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran
- * E-mail:
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The Prognosis Factors for Endovascular Coiling of Aneurysm in Patients With Ruptured Intracranial Aneurysm. J Craniofac Surg 2017; 28:e535-e539. [DOI: 10.1097/scs.0000000000003818] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Berg P, Beuing O. Multiple intracranial aneurysms: a direct hemodynamic comparison between ruptured and unruptured vessel malformations. Int J Comput Assist Radiol Surg 2017; 13:83-93. [PMID: 28733907 DOI: 10.1007/s11548-017-1643-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 07/11/2017] [Indexed: 11/27/2022]
Abstract
PURPOSE Despite numerous studies addressing the rupture risk of intracranial aneurysms that have been published, the assessment thereof still remains challenging. Image-based simulations enable a precise prediction of patient-specific blood flow information. However, those approaches normally consider only small segments of the complete cerebral vasculature. METHODS To test the validity of the consideration of single aneurysms in one computational setup, domains of the complete anterior and posterior circulations with multiple intracranial aneurysms (MIA) were simulated. Six patients with MIA were investigated, while 3D surfaces of eleven unruptured and six ruptured aneurysms were segmented. The segmentations were used for the determination of morphological parameters and also for image-based blood flow simulations used to characterize the hemodynamic properties of each aneurysm. RESULTS In the geometric comparison, neck aspect ratios of unruptured and ruptured aneurysms did not differ significantly. In contrast, size ratios, aspect ratios, surface areas, volumes, and non-sphericity indices were significantly higher in the ruptured cases. The analysis of hemodynamic parameters demonstrated that in each patient, the ruptured aneurysm exhibited the lowest averaged wall shear stresses and highest oscillatory shears. Unstable flow was also detected in ruptured aneurysms based on increased oscillatory velocity. CONCLUSION In this small study involving patients with MIA, different morphologies and flow patterns were observed between ruptured and unruptured aneurysms. The analysis of the hemodynamics in such patients revealed a good agreement with studies that only considered single malformations. Additionally, complex flow patterns are detected in ruptured cases, which require deeper investigation.
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Affiliation(s)
- Philipp Berg
- Laboratory of Fluid Dynamics and Technical Flows, University of Magdeburg "Otto von Guericke", Universitätsplatz 2, 39106, Magdeburg, Germany.
| | - Oliver Beuing
- Institute of Neuroradiology, University Hospital Magdeburg, Leipziger Str. 44, 39120, Magdeburg, Germany
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Wang WX, Xue Z, Li L, Wu C, Zhang YY, Lou X, Ma L, Sun ZH. Treatment Strategies for Intracranial Mirror Aneurysms. World Neurosurg 2017; 100:450-458. [PMID: 28131928 DOI: 10.1016/j.wneu.2017.01.049] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 01/10/2017] [Accepted: 01/11/2017] [Indexed: 10/20/2022]
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Burlakoti A, Kumaratilake J, Taylor J, Massy-Westropp N, Henneberg M. The cerebral basal arterial network: morphometry of inflow and outflow components. J Anat 2017; 230:833-841. [PMID: 28370065 DOI: 10.1111/joa.12604] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/03/2017] [Indexed: 12/20/2022] Open
Abstract
The aim of this project was to study how the morphology of the incoming and outgoing arterial components of the cerebral basal arterial network influence the blood flow to the brain. The cerebral basal arterial network consists of the circulus arteriosus cerebri anteriorly and the basilar artery posteriorly. Diameters of inflow vessels (bilateral vertebral and internal carotid arteries), connecting vessels (anterior communicating, basilar and bilateral posterior communicating arteries) and outflow vessels (anterior, middle and posterior cerebral arteries) were measured and cross-sectional areas calculated in 51 cadaveric brain specimens. The individual and the average cross-sectional areas of inflow arteries (51.43 mm2 ) were significantly bigger than the major outflow arteries (37.76 mm2 ) but smaller than the combined cross-sectional areas of outflow (37.76 mm2 ) and connecting (25.33 mm2 ) arteries. The difference in the size of arterial cross-sectional area and the presence of the connecting arteries in the cerebral basal arterial network provides a mechanism for lowering peaks in pressure, and demonstrates a function of the cerebral basal arterial network.
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Affiliation(s)
- Arjun Burlakoti
- School of Health Sciences, University of South Australia, Adelaide, SA, Australia.,Adelaide Medical School, The University of Adelaide, Adelaide, SA, Australia
| | - Jaliya Kumaratilake
- Adelaide Medical School, The University of Adelaide, Adelaide, SA, Australia
| | - Jamie Taylor
- Magnetic Resonance Imaging Centre, Royal Adelaide Hospital, Adelaide, SA, Australia
| | | | - Maciej Henneberg
- Adelaide Medical School, The University of Adelaide, Adelaide, SA, Australia
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A Patient with Eight Intracranial Aneurysms: Endovascular Treatment in Two Sessions. Case Rep Neurol Med 2016; 2016:9637905. [PMID: 27668108 PMCID: PMC5030425 DOI: 10.1155/2016/9637905] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 08/18/2016] [Indexed: 11/20/2022] Open
Abstract
The frequency of multiple intracranial aneurysms seen in patients with or without subarachnoid hemorrhage is high. The advancement of the endovascular technique and devices has ensured that endovascular treatment of intracranial aneurysms is the first choice in most cases, especially in unruptured ones. Different combinations of treatment modalities and techniques can be used in the management of multiple aneurysms. But in selected patients without subarachnoid hemorrhage, treatment of all aneurysms in one or more sessions with endovascular techniques is less traumatic than that with surgery. In the literature, the maximum number of aneurysms in one patient treated endovascularly and/or surgically is seven. In this case report, we present, with a review of the literature, a patient with eight intracranial aneurysms, all of which were treated in two sessions with various endovascular techniques. A 40-year-old female patient was admitted due to headache. Angiography showed eight aneurysms in the posterior circulation and, bilaterally, in the anterior circulation. All aneurysms were treated endovascularly in two sessions. In the treatment of the aneurysms, different endovascular techniques were used including flow diverters stents, stent-assisted coiling, Y-stent-assisted coiling, and coiling alone.
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Dong QL, Gao BL, Cheng ZR, He YY, Zhang XJ, Fan QY, Li CH, Yang ST, Xiang C. Comparison of surgical and endovascular approaches in the management of multiple intracranial aneurysms. Int J Surg 2016; 32:129-35. [DOI: 10.1016/j.ijsu.2016.07.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Revised: 07/01/2016] [Accepted: 07/05/2016] [Indexed: 10/21/2022]
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A 54-year-old man with 12 intracranial aneurysms and familial subarachnoid hemorrhage: case report. Neurosurg Rev 2016; 39:711-6. [PMID: 27452953 DOI: 10.1007/s10143-016-0769-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Revised: 07/01/2016] [Accepted: 07/13/2016] [Indexed: 10/21/2022]
Abstract
Unruptured intracranial aneurysms occur in 1-3 % of the general population, and the risk of rupture is generally considered to be low. However, patients with multiple aneurysms and familial predisposition carry a particular risk of subarachnoid hemorrhage (SAH). A 54-year-old hypertensive man underwent screening with a head CT angiography (CTA) because of his comorbidities. CTA revealed multiple bilateral aneurysms around the circle of Willis. At first surgery, seven aneurysms were clipped (BA, ACOM, ICA ×2, and MCA ×3), two of which were detected intraoperatively only. During the second surgery, another three aneurysms were surgically clipped (PCOM and MCA ×2), one of which was detected intraoperatively. Follow-up angiography revealed another two aneurysms. A PCOM aneurysm was treated by coil embolization and a VA aneurysm clipped surgically during a third admission. The patient made an uneventful recovery. However, 4 months after his second surgery, his daughter underwent surgical clipping of a right-sided ICA aneurysm. This case report highlights both the importance of screening of high risk patients with family history of SAH, as well as its limitations, as our patient developed two de novo aneurysms during 6-month follow-up and CTA preoperatively missed three small aneurysms.
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Jou L, Britz G. Correlation Between Aneurysm Size and Hemodynamics in One Individual with Multiple Small Intracranial Aneurysms. Cureus 2016; 8:e683. [PMID: 27555981 PMCID: PMC4981414 DOI: 10.7759/cureus.683] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Objective A large number of cases are needed in the patient-specific modeling of intracranial aneurysms to establish the statistical significance due to individual variation of risk factors that are difficult to account for. However, these risk factors are critical in hemorrhage risk as demonstrated in large clinical studies. Rupture risks for aneurysms in an individual are easier to compare because these aneurysms are under the same physiological environment, and their only differences are the local hemodynamic factors associated with their anatomic locations. Methods Eight small aneurysms (< 7 mm) from one individual were analyzed using patient-specific hemodynamic modeling. Four scenarios with different perfusion assumptions were performed to account for the flow rate at two smaller communicating arteries. Wall shear stresses (WSS) at these aneurysms were compared to determine their relationship with the aneurysm size. Results Each of the three largest aneurysms is either the most proximal or distal aneurysm in a given artery so that blood pressure does not have a direct influence on aneurysm size. No wall shear stress-derived hemodynamic variables are found to be related to aneurysm size. Discussion A study of multiple aneurysms from one individual offers a unique opportunity to examine various hemodynamic factors without selection biases. Aneurysms greater than 4 mm (Group 1) have a higher product of maximum WSS and area of low WSS; aneurysms smaller than 4 mm (Group 2) have a lower product of maximum WSS and area of low WSS. In addition, aneurysm size is linearly correlated with the flow rate at the parent artery in each group.
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Affiliation(s)
- Liangder Jou
- Department of Neurosurgery, Houston Methodist Hospital
| | - Gavin Britz
- Department of Neurosurgery, Houston Methodist Hospital
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Sharma P, Mehrotra A, Das KK, Bhaisora KS, Sardhara J, Godbole CA, Pandey S, Srivastava AK, Sahu RN, Jaiswal AK, Behari S. Factors Predicting Poor Outcome in a Surgically Managed Series of Multiple Intracranial Aneurysms. World Neurosurg 2016; 90:29-37. [PMID: 26902780 DOI: 10.1016/j.wneu.2016.02.058] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2015] [Revised: 02/10/2016] [Accepted: 02/11/2016] [Indexed: 10/22/2022]
Abstract
OBJECTIVE Multiple factors are known to influence outcomes in single-aneurysm subarachnoid hemorrhage, such as Hunt and Hess (H&H) grade, hypertension, etc. We sought to assess the influence of individual risk factors on outcome in surgically managed patients with multiple intracranial aneurysm. METHODS A retrospective review of consecutive 780 patients of subarachnoid hemorrhage revealed multiple intracranial aneurysm in 63 patients with 146 aneurysms. Clinicoradiologic features, hospital course, and outcome obtained via use of the Glasgow Outcome Score were noted from hospital records. H&H grade was divided into 2 groups as good and poor whereas Glasgow Outcome Score at 1 month was divided into 2 groups as favorable and unfavorable for analysis. To test association among variables, a χ(2) test/Fisher exact test was used. Risk was calculated in exposure group by the use of univariate logistic regression and multivariate analysis (binary logistic regression model). RESULTS A definite female preponderance was observed (male/female ratio: 1:2.71). The most common site was middle cerebral artery bifurcation (overall and male patients, n = 43); in women, it was internal carotid artery bifurcation. Anterior communicating artery aneurysm was the most common to bleed (n = 22). Early presentation resulted in worse outcomes (<4: 4-21: >21days = 44:37:33, P = .844). Vasospasm and infarct incidence was greatest in the group 4-14 days (n = 37). Infarct evolved in 15 patients (8 in territory of aneurysmal dissection/distribution). Factors influencing patient outcomes were age ≥65 years (P = 0.037), H&H grade (P = 0.04), posterior communicating artery distribution of aneurysm (P = 0.03), hypertension (P = 0.03), infarct (P = 0.001), and hydrocephalus (P = 0.01) CONCLUSIONS: Poor H&H grade, hypertension, posterior communicating artery distribution, elderly age, infarct, and hydrocephalus each influenced poor outcomes at 1 month. Hydrocephalus is predictive of poor outcome.
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Affiliation(s)
- Pradeep Sharma
- Department of Neurosurgery, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Anant Mehrotra
- Department of Neurosurgery, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India.
| | - Kuntal Kanti Das
- Department of Neurosurgery, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Kamlesh Singh Bhaisora
- Department of Neurosurgery, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Jayesh Sardhara
- Department of Neurosurgery, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Chaitanya Achyut Godbole
- Department of Neurosurgery, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Satyadeo Pandey
- Department of Neurosurgery, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Arun Kumar Srivastava
- Department of Neurosurgery, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Rabi Narayan Sahu
- Department of Neurosurgery, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Awadhesh Kumar Jaiswal
- Department of Neurosurgery, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Sanjay Behari
- Department of Neurosurgery, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
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Turan N, Heider RAJ, Zaharieva D, Ahmad FU, Barrow DL, Pradilla G. Sex Differences in the Formation of Intracranial Aneurysms and Incidence and Outcome of Subarachnoid Hemorrhage: Review of Experimental and Human Studies. Transl Stroke Res 2015; 7:12-9. [PMID: 26573918 DOI: 10.1007/s12975-015-0434-6] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 11/05/2015] [Accepted: 11/09/2015] [Indexed: 12/26/2022]
Abstract
Intracranial aneurysms are defined as pathological dilatations of cerebral arteries and rupture of intracranial aneurysms leads to subarachnoid hemorrhage (SAH). The goal of this review was to outline the sex differences in the formation and progression of intracranial aneurysms as well as sex-related differences in incidence and outcome of SAH. The literature review was performed using PubMed with a combination of these search terms: "subarachnoid hemorrhage," "incidence," "outcome," "sex," "gender," "male," "female," "experimental," "mice," and "rats." Studies written in English were used. Female sex is thought to be a risk factor for aneurysm formation, especially in postmenopausal age populations, suggesting the potential protective involvement of sex steroids. Female sex is also considered a risk factor for SAH occurrence. Although incidence and mortality are confirmed to be higher in females in most studies, they elucidated no clear differences in the functional outcome among SAH survivors. The effect of gender on the pathophysiology of SAH is not very well understood; nevertheless, the majority of pre-clinical studies suggest a beneficial effect of sex steroids in experimental SAH. Moreover, conflicting results exist on the role and effect of hormone replacement therapies and oral contraceptive pills on the incidence and outcome of human SAH. Sex differences exist in the formation of aneurysms as well as the incidence and mortality of SAH. Potential therapeutic effects of sex steroids have been replicated in many animal studies, but their potential use in the treatment of acute SAH in human populations needs more future study.
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Affiliation(s)
- Nefize Turan
- Department of Neurological Surgery, Emory University School of Medicine, 1365 Clifton Rd. NE, Suite B6166, Atlanta, GA, 30322, USA
| | - Robert Allen-James Heider
- Department of Neurological Surgery, Emory University School of Medicine, 1365 Clifton Rd. NE, Suite B6166, Atlanta, GA, 30322, USA
| | - Dobromira Zaharieva
- Department of Neurological Surgery, Emory University School of Medicine, 1365 Clifton Rd. NE, Suite B6166, Atlanta, GA, 30322, USA
| | - Faiz U Ahmad
- Department of Neurological Surgery, Emory University School of Medicine, 1365 Clifton Rd. NE, Suite B6166, Atlanta, GA, 30322, USA
| | - Daniel L Barrow
- Department of Neurological Surgery, Emory University School of Medicine, 1365 Clifton Rd. NE, Suite B6166, Atlanta, GA, 30322, USA
| | - Gustavo Pradilla
- Department of Neurological Surgery, Emory University School of Medicine, 1365 Clifton Rd. NE, Suite B6166, Atlanta, GA, 30322, USA.
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Reynolds MR, Buckley RT, Indrakanti SS, Turkmani AH, Oh G, Crobeddu E, Fargen KM, El Ahmadieh TY, Naidech AM, Amin-Hanjani S, Lanzino G, Hoh BL, Bendok BR, Zipfel GJ. The safety of vasopressor-induced hypertension in subarachnoid hemorrhage patients with coexisting unruptured, unprotected intracranial aneurysms. J Neurosurg 2015. [PMID: 26207606 DOI: 10.3171/2014.12.jns141201] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECT Vasopressor-induced hypertension (VIH) is an established treatment for patients with aneurysmal subarachnoid hemorrhage (SAH) who develop vasospasm and delayed cerebral ischemia (DCI). However, the safety of VIH in patients with coincident, unruptured, unprotected intracranial aneurysms is uncertain. METHODS This retrospective multiinstitutional study identified 1) patients with aneurysmal SAH and 1 or more unruptured, unprotected aneurysms who required VIH therapy (VIH group), and 2) patients with aneurysmal SAH and 1 or more unruptured, unprotected aneurysms who did not require VIH therapy (non-VIH group). All patients had previously undergone surgical or endovascular treatment for the presumed ruptured aneurysm. Comparisons between the VIH and non-VIH patients were made in terms of the patient characteristics, clinical and radiographic severity of SAH, total number of aneurysms, number of ruptured/unruptured aneurysms, aneurysm location/size, number of unruptured and unprotected aneurysms during VIH, severity of vasospasm, degree of hypervolemia, and degree and duration of VIH therapy. RESULTS For the VIH group (n = 176), 484 aneurysms were diagnosed, 231 aneurysms were treated, and 253 unruptured aneurysms were left unprotected during 1293 total days of VIH therapy (5.12 total years of VIH therapy for unruptured, unprotected aneurysms). For the non-VIH group (n = 73), 207 aneurysms were diagnosed, 93 aneurysms were treated, and 114 unruptured aneurysms were left unprotected. For the VIH and non-VIH groups, the mean sizes of the ruptured (7.2 ± 0.3 vs 7.8 ± 0.6 mm, respectively; p = 0.27) and unruptured (3.4 ± 0.2 vs 3.2 ± 0.2 mm, respectively; p = 0.40) aneurysms did not differ. The authors observed 1 new SAH from a previously unruptured, unprotected aneurysm in each group (1 of 176 vs 1 of 73 patients; p = 0.50). Baseline patient characteristics and comorbidities were similar between groups. While the degree of hypervolemia was similar between the VIH and non-VIH patients (fluid balance over the first 10 days of therapy: 3146.2 ± 296.4 vs 2910.5 ± 450.7 ml, respectively; p = 0.67), VIH resulted in a significant increase in mean arterial pressure (mean increase over the first 10 days of therapy relative to baseline: 125.1% ± 1.0% vs 98.2% ± 1.2%, respectively; p < 0.01) and systolic blood pressure (125.6% ± 1.1% vs. 104.1% ± 5.2%, respectively; p < 0.01). CONCLUSIONS For small, unruptured, unprotected intracranial aneurysms in SAH patients, the frequency of aneurysm rupture during VIH therapy is rare. The authors do not recommend withholding VIH therapy from these patients.
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Affiliation(s)
- Matthew R Reynolds
- Department of Neurological Surgery, Washington University Medical School, St. Louis, Missouri
| | - Robert T Buckley
- Department of Neurological Surgery, Washington University Medical School, St. Louis, Missouri
| | - Santoshi S Indrakanti
- Department of Neurological Surgery, Washington University Medical School, St. Louis, Missouri
| | - Ali H Turkmani
- Department of Neurological Surgery, University of Illinois at Chicago, Illinois
| | - Gerald Oh
- Department of Neurological Surgery, University of Illinois at Chicago, Illinois
| | - Emanuela Crobeddu
- Department of Neurological Surgery, Mayo Clinic, Rochester, Minnesota
| | - Kyle M Fargen
- Department of Neurological Surgery, University of Florida, Gainesville, Florida; and
| | - Tarek Y El Ahmadieh
- Department of Neurosurgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Andrew M Naidech
- Department of Neurosurgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | | | - Giuseppe Lanzino
- Department of Neurological Surgery, Mayo Clinic, Rochester, Minnesota
| | - Brian L Hoh
- Department of Neurological Surgery, University of Florida, Gainesville, Florida; and
| | - Bernard R Bendok
- Department of Neurosurgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Gregory J Zipfel
- Department of Neurological Surgery, Washington University Medical School, St. Louis, Missouri
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Ahmed O, Kalakoti P, Hefner M, Cuellar H, Guthikonda B. Seven Intracranial Aneurysms in One Patient: Treatment and Review of Literature. J Cerebrovasc Endovasc Neurosurg 2015; 17:113-9. [PMID: 26157691 PMCID: PMC4495085 DOI: 10.7461/jcen.2015.17.2.113] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2014] [Revised: 10/17/2014] [Accepted: 03/19/2015] [Indexed: 11/23/2022] Open
Abstract
Before the advent of endovascular coiling, patients with multiple intracranial aneurysms were treated with surgical clipping; however, with the advancements in endovascular technology, intracranial aneurysms can be treated with surgical clipping and/or endovascular coiling. We describe a case of subarachnoid hemorrhage in a patient with 7 intracranial aneurysms. A 45-year-old female developed a sudden headache and left sided hemiparesis. Initial workup showed a subarachnoid hemorrhage in the right Sylvian fissure. Further angiographic workup showed 7 intracranial aneurysms (left and right middle cerebral artery bifurcation, right middle cerebral artery, anterior communicating artery, left posterior communicating artery, right posterior inferior cerebellar artery, and left superior cerebellar artery). The patient underwent two craniotomies for surgical clipping of the anterior circulation aneurysms and endovascular stent-assisted coils for the posterior circulation aneurysms. The need for anti-platelet agents for endovascular treatment of the posterior circulation aneurysms and clinical presentation warranted surgical clipping of the anterior circulation aneurysms prior to endovascular therapy. We describe a case report and decision making for a patient with multiple intracranial aneurysms treated with surgical clipping and endovascular coiling.
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Affiliation(s)
- Osama Ahmed
- Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, LA, USA
| | - Piyush Kalakoti
- Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, LA, USA
| | - Matthew Hefner
- Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, LA, USA
| | - Hugo Cuellar
- Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, LA, USA
| | - Bharat Guthikonda
- Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, LA, USA
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Morphologic and Hemodynamic Analysis in the Patients with Multiple Intracranial Aneurysms: Ruptured versus Unruptured. PLoS One 2015; 10:e0132494. [PMID: 26147995 PMCID: PMC4492509 DOI: 10.1371/journal.pone.0132494] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Accepted: 06/15/2015] [Indexed: 11/26/2022] Open
Abstract
Background and Purpose The authors evaluated the impact of morphologic and hemodynamic factors on multiple intracranial aneurysms and aimed to identify which parameters can be reliable indexes as one aneurysm ruptured, and the others did not. Methods Between June 2011 and May 2014, 69 patients harboring multiple intracranial aneurysms (69 ruptured and 86 unruptured) were analyzed from 3D-digital subtraction angiography (DSA) images and computational fluid dynamics (CFD). Morphologic and hemodynamic parameters were evaluated for significance with respect to rupture. Receiver operating characteristic (ROC) analysis identified area under the curve (AUC) and optimal thresholds separating ruptured from unruptured intracranial aneurysms for each parameter. Significant parameters were examined by binary logistic regression analysis to identify independent discriminators. Results Nine morphologic (size, neck width, surface area, volume, diameter of parent arteries, aspect ratio, size ratio, lateral/bifurcation type and regular/irregular type) and 6 hemodynamic (WSSmean, WSSmin, OSI, LSA, flow stability and flow complexity) parameters achieved statistical significance (p<0.05). Six morphologic (size, surface area, volume, aspect ratio, size ratio and regular/irregular type) and five hemodynamic (WSSmean, WSSmin, LSA, flow stability and flow complexity) parameters had high AUC values (AUC>0.7). By binary logistic regression analysis, large aspect ratio and low WSSmean were the independently significant rupture factors (AUC, 0.924; 95% CI, 0.883–0.965). Conclusions Large aspect ratio and low WSSmean were independently associated with the rupture status of multiple intracranial aneurysms.
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Abstract
Aneurysmal subarachnoid hemorrhage (SAH) is a worldwide health burden with high fatality and permanent disability rates. The overall prognosis depends on the volume of the initial bleed, rebleeding, and degree of delayed cerebral ischemia (DCI). Cardiac manifestations and neurogenic pulmonary edema indicate the severity of SAH. The International Subarachnoid Aneurysm Trial (ISAT) reported a favorable neurological outcome with the endovascular coiling procedure compared with surgical clipping at the end of 1 year. The ISAT trial recruits were primarily neurologically good grade patients with smaller anterior circulation aneurysms, and therefore the results cannot be reliably extrapolated to larger aneurysms, posterior circulation aneurysms, patients presenting with complex aneurysm morphology, and poor neurological grades. The role of hypothermia is not proven to be neuroprotective according to a large randomized controlled trial, Intraoperative Hypothermia for Aneurysms Surgery Trial (IHAST II), which recruited patients with good neurological grades. Patients in this trial were subjected to slow cooling and inadequate cooling time and were rewarmed rapidly. This methodology would have reduced the beneficial effects of hypothermia. Adenosine is found to be beneficial for transient induced hypotension in 2 retrospective analyses, without increasing the risk for cardiac and neurological morbidity. The neurological benefit of pharmacological neuroprotection and neuromonitoring is not proven in patients undergoing clipping of aneurysms. DCI is an important cause of morbidity and mortality following SAH, and the pathophysiology is likely multifactorial and not yet understood. At present, oral nimodipine has an established role in the management of DCI, along with maintenance of euvolemia and induced hypertension. Following SAH, hypernatremia, although less common than hyponatremia, is a predictor of poor neurological outcome.
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Affiliation(s)
- Stanlies D'Souza
- Department of Neuroanesthesiology, Baystate Medical Center, Tufts University School of Medicine, Springfield, MA
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