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Acha Sánchez JL, Bocanegra-Becerra JE, Contreras Montenegro L, Cueva M, Bellido A, Contreras S, Santos O, Oliveira LB, Colan JA. When microsurgery becomes the only lifesaving resource: An institutional experience treating patients from low-income backgrounds affected by posterior circulation brain aneurysms. J Clin Neurosci 2024; 126:221-227. [PMID: 38943907 DOI: 10.1016/j.jocn.2024.06.014] [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: 05/07/2024] [Revised: 06/16/2024] [Accepted: 06/17/2024] [Indexed: 07/01/2024]
Abstract
BACKGROUND AND OBJECTIVE Aneurysms of the posterior cerebral circulation constitute a burdensome condition with high mortality and morbidity. In the modern era, there has been a trend toward favoring an endovascular approach over microsurgery for aneurysm cases. Nevertheless, this transition has yet to be mirrored in low-to-middle-income countries where endovascular therapy may not be widely available. Herein, we aim to illustrate our experience treating these challenging conditions in patients from low-income backgrounds and discuss the relevance of the clinical setting in the treatment decision. METHODS The authors conducted a retrospective review of the health records of patients who received microsurgical treatment for aneurysms in the posterior circulation, including the basilar artery (BA), posterior cerebral artery (PCA), and posterior inferior cerebellar artery (PICA) in an institution providing treatment to people of low-income backgrounds. Epidemiological data, microsurgical technique, and neurological function were retrieved and analyzed. RESULTS Surgical clipping was employed for 12 patients (75% female) harboring 15 aneurysms (87% in the posterior circulation and 62% ruptured at presentation). Aneurysms were predominately located in the BA (69%), followed by the PCA (15%) and PICA (15%). Among neurological complications, 25% of patients developed oculomotor nerve palsy. The mortality rate was 17% owing to complications such as cerebral vasospasm, infarction, and severe intracranial hypertension. At the 6-month follow-up, 90% of patients had a good clinical outcome (modified Rankin scale scores of 0-2). CONCLUSION The present case series illustrates the manifest role of microsurgical techniques for posterior circulation aneurysms, particularly in a scenario where endovascular techniques are not easily accessible. Importantly, this clinical setting pressure could exhort trainees to strive for microsurgical mastery and gain a competitive advantage.
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Affiliation(s)
- José Luis Acha Sánchez
- Vascular and Skull Base Division, Department of Neurosurgery, Hospital Nacional Dos de Mayo, Lima, Peru.
| | - Jhon E Bocanegra-Becerra
- Academic Department of Surgery, School of Medicine, Universidad Peruana Cayetano Heredia, Lima, Peru.
| | - Luis Contreras Montenegro
- Vascular and Skull Base Division, Department of Neurosurgery, Hospital Nacional Dos de Mayo, Lima, Peru.
| | - Manuel Cueva
- Vascular and Skull Base Division, Department of Neurosurgery, Hospital Nacional Dos de Mayo, Lima, Peru.
| | - Adriana Bellido
- Vascular and Skull Base Division, Department of Neurosurgery, Hospital Nacional Dos de Mayo, Lima, Peru.
| | - Shamir Contreras
- Vascular and Skull Base Division, Department of Neurosurgery, Hospital Nacional Dos de Mayo, Lima, Peru.
| | - Oscar Santos
- Vascular and Skull Base Division, Department of Neurosurgery, Hospital Nacional Dos de Mayo, Lima, Peru.
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Byoun HS, Choi KS, Na MK, Kwon SM, Nam YS. The Usefulness of Extradural Anterior Clinoidectomy for Lower-Lying Posterior Communicating Artery Aneurysms : A Cadaveric Study. J Korean Neurosurg Soc 2024; 67:411-417. [PMID: 38061762 PMCID: PMC11220413 DOI: 10.3340/jkns.2023.0184] [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: 08/29/2023] [Revised: 11/13/2023] [Accepted: 12/05/2023] [Indexed: 07/04/2024] Open
Abstract
OBJECTIVE To confirm the usefulness of the extradural anterior clinoidectomy during the clipping of a lower riding posterior communicating artery (PCoA) aneurysm through cadaver dissection. METHODS Anatomic measurements of 12 adult cadaveric heads (24 sides total) were performed to compare the microsurgical exposure of the PCoA and internal carotid artery (ICA) before and after clinoidectomy. A standard pterional craniotomy and transsylvian approach were performed in all cadavers. The distance from the ICA bifurcation to the origin of PCoA (D1), pre-anterior clinoidectomy distance from the ICA bifurcation to tentorium (D2), post-anterior clinoidectomy distance from the ICA bifurcation to tentorium (D3), pre-anterior clinoidectomy distance from the tentorium to the origin of PCoA (D4) and post-anterior clinoidectomy distance from the tentorium to the origin of PCoA (D5) and the distance of the ICA obtained after anterior clinoidectomy (D6) were measured. We measured the precise thickness of the blade for the Yasargil clip with a digital precision ruler to confirm the usefulness of the extradural anterior clinoidectomy. RESULTS Twenty-four sites were dissected from 12 cadavers. The age of the cadavers was 79.83±6.25 years. The number of males was the same as the females. The space from the proximal origin of the PCoA to the preclinoid-tentorium (D4) was 1.45±1.08 mm (max, 4.01; min, 0.56). After the clinoidectomy, the space from the proximal origin of the PCoA to the postclinoid-tentorium (D5) was 3.612±1.15 mm (max, 6.14; min, 1.83). The length (D6) of the exposed proximal ICA after the extradural clinoididectomy was 2.17±1.04 mm on the lateral side and 2.16±0.89 mm on the medial side. The thickness of the Yasargil clip blade used during the clipping surgery was 1.35 mm measured with a digital precision ruler. CONCLUSION The proximal length obtained by performing an external anterior clinoidectomy is about 2 mm, sufficient for proximal control during PCoA aneurysm surgery, considering the thickness of the aneurysm clips. In a subarachnoid hemorrhage, performing an extradural anterior clinoidectomy could prevent a devastating situation during PCoA aneurysm clipping.
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Affiliation(s)
- Hyoung Soo Byoun
- Department of Neurosurgery, Chungnam National University Sejong Hospital, Sejong, Korea
| | - Kyu-Sun Choi
- Department of Neurosurgery, College of Medicine, Hanyang University, Seoul, Korea
| | - Min Kyun Na
- Department of Neurosurgery, College of Medicine, Hanyang University, Seoul, Korea
| | - Sae Min Kwon
- Department of Neurosurgery, Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Korea
| | - Yong Seok Nam
- Department of Anatomy, College of Korean Medicine, Dongshin University, Naju, Korea
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Repić Buličić A, Ozretić D, Radoš M, Ljevak J, Bazina Martinović A, Poljaković Skurić Z. A 5-Year Follow-Up after Endovascular Treatment of 402 Intracranial Aneurysms-A Single-Centre Experience. Biomedicines 2024; 12:1231. [PMID: 38927438 PMCID: PMC11200576 DOI: 10.3390/biomedicines12061231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/24/2024] [Accepted: 05/30/2024] [Indexed: 06/28/2024] Open
Abstract
The aim of our study was to evaluate the early and long-term clinical and morphological outcomes of the endovascular treatment of ruptured and non-ruptured intracranial aneurysms in a cohort of patients from a single centre. We retrospectively analysed the treatment outcomes of 402 endovascularly treated intracranial aneurysms with an average follow-up of 5.5 years. All included patients were treated with endovascular techniques (coil, stent or both). We analysed patient demographics, risk factors for an aneurysm rupture, aneurysm characteristics, and clinical and angiographic complications and outcomes. We analysed and compared the data from the two groups, ruptured aneurysms (RAs) and unruptured aneurysms (UAs), separately. Out of the 318 patients included, a good early clinical outcome was achieved in 78.5% of RAs and in 95.3% of UAs. No complications occurred in 87.71% of patients with UAs and in 80.45% with RAs. The periprocedural rupture rate for UAs and RAs was 0.8% and 2.2%, respectively. The rate of thromboembolic events was 4.8 and 8% for UAs and RAs, respectively. A retreatment due to the recanalisation was required in 9.21% of patients with UAs and in 16.66% of patients with RAs. The results from our centre showed an overall favourable clinical outcome with acceptable periprocedural complications for both RAs and UR aneurysms and proved the endovascular method as safe and effective in the treatment of intracranial aneurysms.
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Affiliation(s)
- Ana Repić Buličić
- Department of Neurology, University Hospital Split, 21000 Split, Croatia;
| | - David Ozretić
- Department of Radiology, University Hospital Zagreb, University of Zagreb School of Medicine, Kišpatićeva 12, 10000 Zagreb, Croatia
| | - Marko Radoš
- Department of Radiology, University Hospital Zagreb, University of Zagreb School of Medicine, Kišpatićeva 12, 10000 Zagreb, Croatia
| | - Josip Ljevak
- Department of Neurology, University Hospital Zagreb, University of Zagreb School of Medicine, Kišpatićeva 12, 10000 Zagreb, Croatia
| | - Antonela Bazina Martinović
- Department of Neurology, University Hospital Zagreb, University of Zagreb School of Medicine, Kišpatićeva 12, 10000 Zagreb, Croatia
| | - Zdravka Poljaković Skurić
- Department of Neurology, University Hospital Zagreb, University of Zagreb School of Medicine, Kišpatićeva 12, 10000 Zagreb, Croatia
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Santana LS, Yoshikawa MH, Ramos MB, Figueiredo EG, Telles JPM. Neuropsychological outcomes in patients with ruptured anterior communicating artery aneurysms treated by clipping versus coiling: a systematic review and meta-analysis. Neurosurg Rev 2024; 47:196. [PMID: 38676753 DOI: 10.1007/s10143-024-02418-9] [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: 12/28/2023] [Revised: 02/14/2024] [Accepted: 04/09/2024] [Indexed: 04/29/2024]
Abstract
Ruptured anterior communicating artery (ACoA) aneurysms are frequently associated with neuropsychological deficits. This review aims to compare neuropsychological outcomes between surgical and endovascular approaches to ACoA. We systematically searched PubMed, Embase, and Web of Science for studies comparing the endovascular and surgical approaches to ruptured ACoA aneurysms. Outcomes of interest were the cognitive function, covered by memory, attention, intelligence, executive, and language domains, as well as motor and visual functions. Nine studies, comprising 524 patients were included. Endovascularly-treated patients showed better memory than those treated surgically (Standardized Mean Difference (SMD) = -2; 95% CI: -3.40 to -0.61; p < 0.01). Surgically clipped patients had poorer motor ability than those with coiling embolization (p = 0.01). Executive function (SMD = -0.20; 95% CI: -0.47 to 0.88; p = 0.55), language (SMD = -0.33; 95% CI: -0.95 to 0.30; p = 0.30), visuospatial function (SMD = -1.12; 95% CI: -2.79 to 0.56; p = 0.19), attention (SMD = -0.94; 95% CI: -2.79to 0.91; p = 0.32), intelligence (SMD = -0.25; 95% CI: -0.73 to 0.22; p = 0.30), and self-reported cognitive status (SMD = -0.51; 95% CI: -1.38 to 0.35; p = 0.25) revealed parity between groups. Patients with ACoA treated endovascularly had superior memory and motor abilities. Other cognitive domains, including executive function, language, visuospatial function, attention, intelligence and self-reported cognitive status revealed no statistically significant differences between the two approaches. Trial Registration PROSPERO (International Prospective Register of Systematic Reviews) CRD42023461283; https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=461283.
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Affiliation(s)
| | | | - Miguel Bertelli Ramos
- Department of Neurosurgery, Instituto de Assistência Médica Ao Servidor Público Estadual, São Paulo, Brazil
| | - Eberval Gadelha Figueiredo
- Division of Neurological Surgery, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - João Paulo Mota Telles
- Department of Neurology, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
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Vasconcellos de Oliveira Souza N, Rouanet C, Fontoura Solla DJ, Barroso de Lima CV, Trevizo J, Rezende F, Alves MM, de Oliveira Manuel AL, Righy C, Chaddad Neto F, Frudit M, Silva GS. Impact of Medical and Neurologic Complications on the Outcome of Patients with Aneurysmal Subarachnoid Hemorrhage in a Middle-Income Country. World Neurosurg 2024; 183:e250-e260. [PMID: 38104933 DOI: 10.1016/j.wneu.2023.12.068] [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: 08/31/2023] [Revised: 12/11/2023] [Accepted: 12/12/2023] [Indexed: 12/19/2023]
Abstract
OBJECTIVE Almost two thirds of the world's aneurysmal subarachnoid hemorrhage (aSAH) are in low- and middle-income countries. Herein, we aimed to evaluate the impact of complications on the outcome of aSAH in a middle-income country. METHODS Baseline data (age, sex, World Federation of Neurosurgical Society, time ictus-treatment, treatment modality) and medical and neurologic complications from a cohort in Brazil (2016-2019) were evaluated: delayed cerebral ischemia; hydrocephalus; meningitis; seizures; intracranial hypertension; infections (pneumonia, bloodstream, urinary tract infection infection of undetermined source); sodium disturbances; acute kidney injury; and cardiac and pulmonary complications. The primary outcome was the modified Rankin scale (mRS) at hospital discharge. Univariate and multivariate models were employed. RESULTS From 212 patients (71.7% female, age 52.7 ± 12.8), 92% developed at least 1 complication (any infection-43.9%, hydrocephalus-34.4%, intracranial hypertension-33%, infection of undetermined source-20.8%, hypernatremia-20.8%, hyponatremia-19.8%, delayed cerebral ischemia-related infarction-18.7%, pneumonia-18.4%, acute kidney injury-16.5%, and seizures-11.8%). In unadjusted analysis, all but hyponatremia and urinary tract infection were associated with mRS 3-6 at discharge; however, complications explained only 12% of the variation in functional outcome (mRS). Most patients were treated by clipping (66.5%), and 15.6% (33 patients) did not receive a definitive treatment. The median time ictus-admission and ictus-treatment were 5 and 9 days, respectively. CONCLUSIONS While medical and neurologic complications are a recognized opportunity to improve aSAH care, low- and middle-income countries comprise 70% of the world population and still encounter difficulties concerning early definitive aneurysm treatment, rebleeding, and human and material resources.
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Affiliation(s)
- Natália Vasconcellos de Oliveira Souza
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, Sao Paulo, Brazil; Department of Neurology and Neurosurgery, Universidade de São Paulo, Sao Paulo, Brazil; Hospital Israelita Albert Einstein, Academic Research Organization, São Paulo, Brazil.
| | - Carolina Rouanet
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, Sao Paulo, Brazil
| | | | | | - Juliana Trevizo
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, Sao Paulo, Brazil
| | - Flavio Rezende
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, Sao Paulo, Brazil
| | - Maramelia Miranda Alves
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, Sao Paulo, Brazil; Hospital Israelita Albert Einstein, Academic Research Organization, São Paulo, Brazil
| | - Airton Leonardo de Oliveira Manuel
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, Sao Paulo, Brazil; Department of Intensive Care Medicine, Sultan Qaboos Comprehensive Cancer Care and Research Center, Muscat, Sultanate of Oman
| | - Cassia Righy
- Department of Neurointensive Care, Paulo Niemeyer State Brain Institute, Rio de Janeiro, Brazil; Laboratório de Medicina Intensiva-Instituto Nacional de Infectologia, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Feres Chaddad Neto
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, Sao Paulo, Brazil; Hospital Israelita Albert Einstein, Academic Research Organization, São Paulo, Brazil
| | - Michel Frudit
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, Sao Paulo, Brazil; Hospital Israelita Albert Einstein, Academic Research Organization, São Paulo, Brazil
| | - Gisele Sampaio Silva
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, Sao Paulo, Brazil; Hospital Israelita Albert Einstein, Academic Research Organization, São Paulo, Brazil
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Peng L, Qin H, Liu J, Wu N, Wang X, Han L, Ding X. Neurosurgical clipping versus endovascular coiling for patients with ruptured anterior circulation aneurysms: A systematic review and meta-analysis. Neurosurg Rev 2024; 47:68. [PMID: 38267600 DOI: 10.1007/s10143-024-02304-4] [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: 11/17/2023] [Revised: 12/28/2023] [Accepted: 01/16/2024] [Indexed: 01/26/2024]
Abstract
To compare the safety and efficacy of clipping and coiling in patients with ruptured anterior circulation aneurysms. A systematic search of four databases (PubMed, Web of Science, Cochrane Library, and Embase) was conducted to identify comparative articles on endovascular coiling and surgical clipping in patients with ruptured anterior circulation aneurysms. Meta-analyses were conducted using random-effects models. Nineteen studies, including 1983 patients, were included. The meta-analysis showed that neurosurgical clipping was associated with a lower incidence of retreatment (OR:0.28, 95% CI (0.11, 0.70), P = 0.006) than endovascular coiling, which seemed to be a result of incomplete occlusion (OR:0.22, 95% CI (0.11, 0.45), P < 0.001). Neurosurgical clipping was associated with lower mortality (OR:0.45, 95% CI (0.25, 0.82), P = 0.009) at short-term follow-up than endovascular coiling. However, neurosurgical clipping showed a higher incidence of ischemic infarction (OR:2.28, 95% CI (1.44, 3.63), P < 0.001) and a longer length of stay (LOS) (WMD:6.12, 95% CI (4.19, 8.04), P < 0.001) after surgery than endovascular coiling. Furthermore, the pooled results showed no statistically significant differences between the two groups regarding poor outcome, long-term mortality, rebleeding, vasospasm, and hydrocephalus. Evidence from this systematic review illustrates that neurosurgical clipping may be superior to endovascular coiling for ruptured anterior circulation aneurysms. Large-scale RCTs should be conducted to verify these outcomes and provide results according to patient status.
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Affiliation(s)
- Liangsheng Peng
- Department of Neurosurgery, Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, 030032, China
| | - Hao Qin
- Department of Neurosurgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, 030032, China
| | - Jiahao Liu
- Department of Neurosurgery, Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, 030032, China
| | - Nuojun Wu
- Department of Internal Medicine, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| | - Xiaolong Wang
- Department of Neurosurgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, 030032, China
| | - Li Han
- Department of Neurosurgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, 030032, China
| | - Xinmin Ding
- Department of Neurosurgery, Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, 030032, China.
- Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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Huang QY, Huang Q, Lin SW, Wang F, Sun Y, Zeng YL, Liu B, Cai YY, Chen ZL, Wu SY. Prognostic factors affecting the ruptured intracranial aneurysms: A 9-year multicenter study in Fujian, China. Medicine (Baltimore) 2023; 102:e34893. [PMID: 37800799 PMCID: PMC10553177 DOI: 10.1097/md.0000000000034893] [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: 04/02/2023] [Accepted: 08/02/2023] [Indexed: 10/07/2023] Open
Abstract
BACKGROUND A multicenter retrospective study was conducted to explore the factors affecting short-term prognosis and long-term outcomes of intracranial aneurysms (IA) rupture. Further, the prognosis prediction model was constructed based on survival analysis, contributing to the development of prevention strategies for aneurysmal subarachnoid hemorrhage. METHODS Data of 1280 patients with IA rupture were gathered between 2014 and 2022 in Fujian, China. Logistic regression was implemented to study the short-term prognostic factors of IA rupture. Survival analysis of 911 patients among them was performed to explore the long-term outcome status by Cox risk assessment. Nomogram prognosis models were constructed using R software. RESULTS The findings displayed that blood type O (OR = 1.79; P = 0.019), high systolic pressure (OR = 1.01; P < 0.001), Glasgow Coma score (GCS) 9-12 (OR = 2.73; P = 0.022), GCS < 9 (OR = 3.222; P = 0.006), diabetes (OR = 2.044; P = 0.040), and high white blood cell count (OR = 1.059, P = 0.040) were core influencing factors for poor short-term prognosis. Survival analysis revealed that age > 60 years (HR = 2.87; P = 0.001), hypertension (HR = 1.95; P = 0.001), conservative (HR = 6.89; P < 0.001) and endovascular treatment (HR = 2.20; P = 0.001), multiple ruptured IAs (HR = 2.37; P = 0.01), Fisher 3 (HR = 1.68; P = 0.09), Fisher 4 (HR = 2.75; P = 0.001), and Hunt-Hess 3 (HR = 0.55; P = 0.05) were the major risk factors for terrible long-term outcomes. CONCLUSIONS People over 60 years with characteristics of type O blood, high systolic pressure, diabetes, high white blood cell count, and onset GCS < 12 will have more complications and a worse short-term prognosis. Those aged > 60 years with hypertension, conservative and endovascular treatment, multiple ruptured IAs, Fisher ≥ 3 and Hunt-Hess 3 have a greater risk of poor long-term prognosis.
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Affiliation(s)
- Qiu-Yu Huang
- Operating Room, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Qing Huang
- Department of Neurosurgery, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Shao-Wei Lin
- School of Public Health, Fujian Medical University, Fuzhou, China
| | - Fan Wang
- Department of Neurosurgery, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Yi Sun
- School of Public Health, Fujian Medical University, Fuzhou, China
| | - Yi-Le Zeng
- Department of Neurosurgery, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Bang Liu
- School of Public Health, Fujian Medical University, Fuzhou, China
| | - Ying-Ying Cai
- School of Public Health, Fujian Medical University, Fuzhou, China
| | - Ze-Long Chen
- Department of Clinical Medicine, the Second Clinical Medical College of Fujian Medical University, Quanzhou, China
| | - Si-Ying Wu
- School of Public Health, Fujian Medical University, Fuzhou, China
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Pettersson SD, Khorasanizadeh M, Maglinger B, Garcia A, Wang SJ, Taussky P, Ogilvy CS. Trends in the Age of Patients Treated for Unruptured Intracranial Aneurysms from 1990 to 2020. World Neurosurg 2023; 178:233-240.e13. [PMID: 37562685 DOI: 10.1016/j.wneu.2023.08.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 07/31/2023] [Accepted: 08/01/2023] [Indexed: 08/12/2023]
Abstract
BACKGROUND The decision for treatment for unruptured intracranial aneurysms (UIAs) is often difficult. Innovation in endovascular devices have improved the benefit-to-risk profile especially for elderly patients; however, the treatment guidelines from the past decade often recommend conservative management. It is unknown how these changes have affected the overall age of the patients selected for treatment. Herein, we aimed to study potential changes in the average age of the patients that are being treated over time. METHODS A systematic search of the literature was performed to identify all studies describing the age of the UIAs that were treated by any modality. Scatter diagrams with trend lines were used to plot the age of the patients treated over time and assess the presence of a potential significant trend via statistical correlation tests. RESULTS A total of 280 studies including 83,437 UIAs treated between 1987 and 2021 met all eligibility criteria and were entered in the analysis. Mean age of the patients was 55.5 years, and 70.7% were female. There was a significant increasing trend in the age of the treated patients over time (Spearman r: 0.250; P < 0.001), with a 1-year increase in the average age of the treated patients every 5 years since 1987. CONCLUSIONS The present study indicates that based on the treated UIA patient data published in the literature, older UIAs are being treated over time. This trend is likely driven by safer treatments while suggesting that re-evaluation of certain UIA treatment decision scores may be of great interest.
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Affiliation(s)
- Samuel D Pettersson
- Division of Neurosurgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - MirHojjat Khorasanizadeh
- Division of Neurosurgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Benton Maglinger
- Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Alfonso Garcia
- Division of Neurosurgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - S Jennifer Wang
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Philipp Taussky
- Division of Neurosurgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Christopher S Ogilvy
- Division of Neurosurgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA.
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Nogami K, Misaki K, Tsutsui T, Nambu I, Kamide T, Nakada M. The first coil embolization ratio is the key factor for retreatment for unruptured cerebral aneurysms. Surg Neurol Int 2023; 14:53. [PMID: 36895232 PMCID: PMC9990780 DOI: 10.25259/sni_1100_2022] [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: 12/08/2022] [Accepted: 02/01/2023] [Indexed: 02/12/2023] Open
Abstract
Background In coil embolization, a high volume embolization ratio prevents recanalization that may require retreatment. However, patients with a high volume embolization ratio may also require retreatment. Patients with inadequate framing with the first coil may experience recanalization of the aneurysm. We analyzed the relationship between embolization ratio of the first coil and recanalization requiring retreatment. Methods We reviewed data from 181 patients with unruptured cerebral aneurysms who underwent initial coil embolization between 2011 and 2021. We retrospectively analyzed the correlation between neck width, maximum aneurysm size, width, aneurysm volume, volume embolization ratio of the framing coil (first volume embolization ratio [1st VER]), and final volume embolization ratio (final VER) of cerebral aneurysms in patients and their retreatment. Results Recanalization requiring retreatment was observed in 13 patients (7.2%). The factors related to recanalization were neck width, maximum aneurysm size, width, aneurysm volume, and 1st VER, but not the final VER. Multivariate analysis of the five factors showed a significant difference in the 1st VER (P = 0.002). The cutoff value for recanalization was a 1st VER of 5.8%. There were 162 cases with a VER ≥ 20% or higher, and the same analysis yielded similar results. Conclusion The 1st VER was significantly correlated with recanalization of cerebral aneurysms requiring retreatment. In coil embolization of unruptured cerebral aneurysms, it is important to achieve an embolization rate of at least 5.8% using a framing coil to prevent recanalization.
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Affiliation(s)
- Kenshu Nogami
- Department of Neurosurgery, Kanazawa University, Kanazawa, Japan
| | - Kouichi Misaki
- Department of Neurosurgery, Kanazawa University, Kanazawa, Japan
| | - Taishi Tsutsui
- Department of Neurosurgery, Kanazawa University, Kanazawa, Japan
| | - Iku Nambu
- Department of Neurosurgery, Kanazawa University, Kanazawa, Japan
| | - Tomoya Kamide
- Department of Neurosurgery, Kanazawa University, Kanazawa, Japan
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Zhao W, He A, Zou P. Genetic association between the lncRNA ANRIL rs10757272 polymorphism and intracranial aneurysm susceptibility in Asians. Neurosurg Rev 2022; 46:15. [PMID: 36512102 DOI: 10.1007/s10143-022-01927-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 11/18/2022] [Accepted: 12/05/2022] [Indexed: 12/15/2022]
Abstract
Current epidemiological studies reporting the role of lncRNA ANRIL rs10757272 polymorphism and intracranial aneurysm risk remain controversial. In the present study, we conducted a meta-analysis to resolve this inconsistency. PubMed and EMBASE databases were retrieved to collect the publications evaluating the association with a time limit of August 20, 2021. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were calculated to estimate the strength of the association. Subgroup analysis, heterogeneity analyses, and publication bias were assessed in the meta-analysis. Finally, 2853 cases and 13,426 controls were enrolled in this meta-analysis based on inclusion criteria. The pooled results indicated that the rs10757272 polymorphism is significantly associated with the risk of intracranial aneurysms in all genetic models (homozygous model, odds ratio (OR) = 1.48, 95% confidence interval (CI) = 1.28-1.71, Pheterogeneity = 0.11, I2 = 50.9; heterozygous model, OR = 1.26, 95% CI = 1.09-1.46, Pheterogeneity = 0.15, I2 = 42.8; dominant model, OR = 1.37, 95% CI = 1.19-1.57, Pheterogeneity = 0.12, I2 = 48.1; and recessive model, OR = 1.23, 95% CI = 1.13-1.34, Pheterogeneity = 0.24, I2 = 28.8). Subgroup analyses showed consistent results. In conclusion, our findings provided evidence that the rs10757272 polymorphism is associated with susceptibility to intracranial aneurysms in Asians.
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Affiliation(s)
- Wei Zhao
- Department of Neurosurgery, Yuhuangding Hospital of Yantai, Peng Zou, No. 20, Yuhuangding East Road, Zhifu District, Yantai, 264000, Shandong, China
| | - Aijie He
- Department of Neurosurgery, Yuhuangding Hospital of Yantai, Peng Zou, No. 20, Yuhuangding East Road, Zhifu District, Yantai, 264000, Shandong, China
| | - Peng Zou
- Department of Neurosurgery, Yuhuangding Hospital of Yantai, Peng Zou, No. 20, Yuhuangding East Road, Zhifu District, Yantai, 264000, Shandong, China.
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11
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You W, Meng J, Yang X, Zhang J, Jiang G, Yan Z, Gu F, Tao X, Chen Z, Wang Z, Chen G. Microsurgical Management of Posterior Circulation Aneurysms: A Retrospective Study on Epidemiology, Outcomes, and Surgical Approaches. Brain Sci 2022; 12:brainsci12081066. [PMID: 36009128 DOI: 10.3390/brainsci12081066if:3.333q3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/01/2022] [Accepted: 08/09/2022] [Indexed: 05/27/2023] Open
Abstract
Posterior circulation aneurysms have been regarded as the most challenging for endovascular coiling and microsurgical occlusion. The role of microsurgical treatment is gradually being overlooked and diminishing in the trend of endovascular treatment. As microsurgical occlusion of posterior circulation aneurysms is decreasing, we present our relevant experience to evaluate treatment options and surgical approaches. A retrospective study was conducted in the Department of Neurosurgery of the First Affiliated Hospital of Soochow University between 2016 and 2021. Patients with posterior circulation aneurysms treated by clipping, bypass, and trapping were enrolled and followed up for at least six months. We included 50 patients carrying 53 posterior circulation aneurysms, 43 of whom had aneurysm ruptures. The posterior cerebral artery and posterior inferior cerebellar artery were the most common aneurysm locations. Direct clipping was performed in 43 patients, while bypass and trapping was performed in six patients. The retrosigmoid, far-lateral, and midline or paramedian suboccipital approaches were performed for those aneurysms in the middle and lower thirds. Aneurysms in the upper third required the lateral supraorbital approach, pterional approach, subtemporal approach, and occipital craniotomy. The lateral supraorbital approach was utilized in seven patients for aneurysms above the posterior clinoid process. Thirty-four patients recovered well with modified Rankin score 0-3 at discharge. No patient experienced aneurysm recurrence during the mean follow-up period of 3.57 years. Microsurgery clipping and bypass should be considered in conjunction with endovascular treatment as a treatment option in posterior circulation aneurysms. The lateral supraorbital approach is a feasible, safe, and simple surgical approach for aneurysms above the posterior clinoid process.
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Affiliation(s)
- Wanchun You
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Jiahao Meng
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Xingyu Yang
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Jie Zhang
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Guannan Jiang
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Zeya Yan
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Feng Gu
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Xinyu Tao
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Zhouqing Chen
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Zhong Wang
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Gang Chen
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
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12
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Microsurgical Management of Posterior Circulation Aneurysms: A Retrospective Study on Epidemiology, Outcomes, and Surgical Approaches. Brain Sci 2022; 12:brainsci12081066. [PMID: 36009128 PMCID: PMC9406061 DOI: 10.3390/brainsci12081066] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/01/2022] [Accepted: 08/09/2022] [Indexed: 11/17/2022] Open
Abstract
Posterior circulation aneurysms have been regarded as the most challenging for endovascular coiling and microsurgical occlusion. The role of microsurgical treatment is gradually being overlooked and diminishing in the trend of endovascular treatment. As microsurgical occlusion of posterior circulation aneurysms is decreasing, we present our relevant experience to evaluate treatment options and surgical approaches. A retrospective study was conducted in the Department of Neurosurgery of the First Affiliated Hospital of Soochow University between 2016 and 2021. Patients with posterior circulation aneurysms treated by clipping, bypass, and trapping were enrolled and followed up for at least six months. We included 50 patients carrying 53 posterior circulation aneurysms, 43 of whom had aneurysm ruptures. The posterior cerebral artery and posterior inferior cerebellar artery were the most common aneurysm locations. Direct clipping was performed in 43 patients, while bypass and trapping was performed in six patients. The retrosigmoid, far-lateral, and midline or paramedian suboccipital approaches were performed for those aneurysms in the middle and lower thirds. Aneurysms in the upper third required the lateral supraorbital approach, pterional approach, subtemporal approach, and occipital craniotomy. The lateral supraorbital approach was utilized in seven patients for aneurysms above the posterior clinoid process. Thirty-four patients recovered well with modified Rankin score 0–3 at discharge. No patient experienced aneurysm recurrence during the mean follow-up period of 3.57 years. Microsurgery clipping and bypass should be considered in conjunction with endovascular treatment as a treatment option in posterior circulation aneurysms. The lateral supraorbital approach is a feasible, safe, and simple surgical approach for aneurysms above the posterior clinoid process.
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13
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Endovascular treatment of intracranial aneurysms and thoracic aortic aneurysms at One-Stage in a hybrid operating room: A case report. INTERDISCIPLINARY NEUROSURGERY 2022. [DOI: 10.1016/j.inat.2022.101499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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14
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Gao P, Jin Z, Wang P, Zhang X. OUP accepted manuscript. Arch Clin Neuropsychol 2022; 37:1688-1698. [PMID: 35596958 DOI: 10.1093/arclin/acac030] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/22/2022] [Indexed: 11/12/2022] Open
Affiliation(s)
- Ping Gao
- Department 5 of Neurosurgery, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Zhibin Jin
- Department 5 of Neurosurgery, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Peng Wang
- Department 5 of Neurosurgery, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Xiang Zhang
- Department 5 of Neurosurgery, Cangzhou Central Hospital, Cangzhou, Hebei, China
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15
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Huang Q, Sun Y, Lu J, Huang QY, Zeng YL, Liu B, Xu XY, Cai YY, Lin SW, Li HY, Wu SY. Associations between meteorological variation and rupture of intracranial aneurysm in Fujian, China: A 5-year multicenter study. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 223:112609. [PMID: 34385062 DOI: 10.1016/j.ecoenv.2021.112609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 07/21/2021] [Accepted: 08/03/2021] [Indexed: 06/13/2023]
Abstract
OBJECTIVE By exploring the exposure-response relationships between meteorological factors and rupture of intracranial aneurysm (IA) to reveal the influence of meteorological variation on IA rupture under the specific climate in Fujian, China. METHOD 7515 cases of IA rupture from several municipal medical institutions in Fujian Province as well as local meteorological data during the same period were collected from 2013 to 2017. Poisson regression and Spearman correlation analysis were applied to explore the distribution characteristics of IA rupture and how it is associated with meteorological parameters. Poisson generalized additive model was established to further analyze the exposure-response relationships between meteorological factors and IA rupture, and its hysteresis effects. RESULT The IA rupture exhibited a negative correlation with temperature (rs = -0.323, 95% CI: -0.539 ~ -0.068) and a positive correlation with atmospheric pressure (rs = 0.397, 95% CI: 0.152-0.597) or pressure difference (rs = 0.296, 95% CI: 0.038-0.517), 21.05 ℃ and 1000.14 hPa were the risk thresholds for the onset ascribed to variation in temperature and atmospheric pressure, respectively. Temperature and atmospheric pressure also exerted hysteresis effects on IA rupture. Cold will increase the rupture risk in the subsequent 1-3 days, and high pressure will raise the morbidity in the next 1-2 days. Besides, drastic variations in temperature and atmospheric pressure were also associated with the higher risk of IA rupture in the next 2 days and 1 day, respectively. CONCLUSION Temperature and atmospheric pressure have a negative and positive correlation with IA rupture in Fujian, China, respectively. Variation in temperature and atmospheric pressure exert different degrees of hysteresis effects on IA rupture.
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Affiliation(s)
- Qing Huang
- The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Yi Sun
- School of Public Health, Fujian Medical University, Fuzhou, China
| | - Jing Lu
- Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Qiu-Yu Huang
- The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Yi-Le Zeng
- The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Bang Liu
- School of Public Health, Fujian Medical University, Fuzhou, China
| | - Xing-Yan Xu
- School of Public Health, Fujian Medical University, Fuzhou, China
| | - Ying-Ying Cai
- School of Public Health, Fujian Medical University, Fuzhou, China
| | - Shao-Wei Lin
- School of Public Health, Fujian Medical University, Fuzhou, China.
| | - Huang-Yuan Li
- School of Public Health, Fujian Medical University, Fuzhou, China.
| | - Si-Ying Wu
- School of Public Health, Fujian Medical University, Fuzhou, China.
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16
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Nguyen AM, Dao LTN, Thai TT. Cerebrospinal fluid lumbar drainage in reducing vasospasm following aneurysmal subarachnoid hemorrhage in Vietnam: A single-center prospective study. INTERDISCIPLINARY NEUROSURGERY 2021. [DOI: 10.1016/j.inat.2021.101175] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
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17
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Huang Q, Sun Y, Huang Q, Zeng Y, Lin S, Huang S, Cai Y, Xu X, Kang D, Li H, Wu S. Association Between Circular RNAs and Intracranial Aneurysm Rupture Under the Synergistic Effect of Individual Environmental Factors. Front Neurol 2021; 12:594835. [PMID: 33746870 PMCID: PMC7969784 DOI: 10.3389/fneur.2021.594835] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 02/04/2021] [Indexed: 02/04/2023] Open
Abstract
Introduction: To study the association between specific circular RNAs and rupture of intracranial aneurysm. To explore its clinical diagnostic significance and synergistic effects with individual environmental influencing factors. Methods: Three hundred and forty seven cases and controls were included in this study. Multivariate analysis was used to explore the main individual environmental factors. Intracranial aneurysm rupture related circular RNAs screened based on sequencing was verified in peripheral blood by PCR. ROC curve, logistic regression model and fork analysis were used to study the association, diagnostic values, and synergistic effects of circular RNA with intracranial aneurysms and individual environmental factors. Results: Smoking, hair dyeing, sitting time ≥6 h/day, single animal oil intake and hypertension are the main risk factors for intracranial aneurysm rupture; People with higher education, sleeping time ≥7 h/day, tea drinking, diabetes, higher levels of (hemoglobin, low density lipoprotein, serum calcium, and apolipoprotein-A1) have a low risk of intracranial aneurysm rupture. Hsa_circ_0008433 and hsa_circ_0001946 are closely related to intracranial aneurysm rupture and have certain clinical diagnostic significance (AUC = 0.726; 95% CI: 0.668~0.784). Hsa_circ_0008433 (OR = 0.497, 95% CI: 0.338~0.731), hsa_circ_0001946 (OR = 0.682, 95% CI: 0.509~0.914) were independent epigenetic factors affecting intracranial aneurysm rupture, and have a multiplicative interaction with age (OR = 3.052, 95% CI: 1.006~9.258). Conclusions: Low expressions of hsa_circ_0008433 and hsa_circ_0001946 are risk factors for intracranial aneurysms rupture and have good clinical diagnostic value. There was a multiplicative interaction between epigenetic score and age. The older and the higher the epigenetic score was, the more likely to have intracranial aneurysm rupture.
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Affiliation(s)
- Qing Huang
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Yi Sun
- School of Public Health, Fujian Medical University, Fuzhou, China
| | - Qiuyu Huang
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Yile Zeng
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Shaowei Lin
- School of Public Health, Fujian Medical University, Fuzhou, China
| | - Shuna Huang
- School of Public Health, Fujian Medical University, Fuzhou, China
| | - Yingying Cai
- School of Public Health, Fujian Medical University, Fuzhou, China
| | - Xingyan Xu
- School of Public Health, Fujian Medical University, Fuzhou, China
| | - Dezhi Kang
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Huangyuan Li
- School of Public Health, Fujian Medical University, Fuzhou, China
| | - Siying Wu
- School of Public Health, Fujian Medical University, Fuzhou, China
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18
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Niu S, Zhao Y, Ma B, Zhang R, Rong Z, Ni L, Di X, Liu C. Construction and Validation of a New Model for the Prediction of Rupture in Patients with Intracranial Aneurysms. World Neurosurg 2021; 149:e437-e446. [PMID: 33567366 DOI: 10.1016/j.wneu.2021.02.006] [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: 11/17/2020] [Revised: 01/31/2021] [Accepted: 02/01/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND Despite progress in the detection of biological molecules that contribute to intracranial aneurysm (IA) development, many pathophysiological mechanisms remain unclear, particularly with regard to predicting IA rupture. In this study, we aimed to identify hub genes and construct a new model to predict IA rupture. METHODS Four datasets (62 ruptured IAs, 16 unruptured IAs, and 31 normal controls) were downloaded from the Gene Expression Omnibus. Differentially expressed genes (DEGs) were identified between the IAs and normal controls. All overlapping genes were analyzed using weighted gene co-expression network analysis. Functional enrichment analyses were performed using key modules. We then intersected the key module genes with DEGs. Protein-protein interaction networks were assessed to identify key hub genes. Least absolute shrinkage and selection operator logistic regression analysis was performed to construct a prediction model. A receiver operating characteristic curve was constructed to evaluate the reliability of the scoring system. RESULTS After intersection and normalization, 433 DEGs were identified and 15,388 genes were selected for weighted gene co-expression network analysis. The black module with 1145 genes exhibited the highest correlation with IA rupture. Many potential mechanisms are involved, such as the inflammatory response, innate immune response, extracellular exosome, and extracellular space. Thirty hub genes were selected from the protein-protein interaction, and 4 independent risk genes, TNFAIP6, NCF2, OSM, and IRAK3, were identified in the least absolute shrinkage and selection operator logistic regression model. CONCLUSIONS Our prediction model not only serves as a useful tool for assessing the risk of IA rupture, but the key genes identified herein could also serve as biomarkers and therapeutic targets.
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Affiliation(s)
- Shuai Niu
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yue Zhao
- Department of Thoracic Surgery, Changhai Hospital, Second Military Medical University, Shanghai, China; Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Baitao Ma
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Rui Zhang
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhihua Rong
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Leng Ni
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiao Di
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Changwei Liu
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
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