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Hu SQ, Chen RD, Xu WD, Yu JS. Clip-reinforced wrapping using the Y-shaped temporalis fascia technique for intracranial aneurysms. Front Surg 2022; 9:985240. [PMID: 36338659 PMCID: PMC9632951 DOI: 10.3389/fsurg.2022.985240] [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] [Received: 07/03/2022] [Accepted: 08/30/2022] [Indexed: 11/21/2022] Open
Abstract
Objectives This study aims to identify the effectiveness of the clip-reinforced wrapping using the Y-shaped temporalis fascia (CRYST) technique for treating intracranial aneurysms (IAs). Methods We retrospectively reviewed five patients with ruptured IAs treated using the CRYST technique from July 2016 to May 2021. Three patients had blood blister-like aneurysms (BBAs) (one with intraoperative rupture), and two had anterior communicating artery (AcoA) aneurysms (one with intraoperative rupture). All patients had intraoperative indocyanine green angiography, and digital subtraction angiography (DSA) was reviewed 10–14 days after surgery. At 1 year postoperatively, three patients (two BBAs and one AcoA aneurysm) underwent DSA and two patients (one BBA and one AcoA aneurysm) underwent computed tomographic angiography (CTA). Results Two aneurysms ruptured intraoperatively during the clipping, and no severe complications occurred. No patients had neurological deficits after surgery, and they had good outcomes. Four DSAs showed no aneurysms and no significant stenosis of the parent artery 10–14 days after surgery. One patient had mild stenosis of the parent artery on DSA 10 days after surgery; the stenosis improved on DSA 1 year after surgery. No other aneurysms recurred, and parent arteries were clear on CTA or DSA 1 year after surgery. Conclusions Combining our accumulated experience in the work and literature, we described the CRYST technique to treat intractable IAs with specific morphologies and irregular wall structures in our patients. All outcomes and follow-up results were favorable.
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Liu P, Liu L, Zhang C, Lin S, Wang T, Xie X, Zhou L, Wang C. Treatment of Blood Blister Aneurysms of the Internal Carotid Artery With Pipeline-Assisted Coil Embolization: A Single-Center Experience. Front Neurol 2022; 13:882108. [PMID: 35769367 PMCID: PMC9234106 DOI: 10.3389/fneur.2022.882108] [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] [Received: 02/25/2022] [Accepted: 04/20/2022] [Indexed: 11/30/2022] Open
Abstract
Background Blood blister aneurysm (BBA) is a complex and rare aneurysm that presents significant treatment challenges. The application of pipeline embolization device (PED)-assisted coiling in the treatment of ruptured BBA remains controversial. This study aimed to report on our experience and assess the safety and efficacy of this strategy. Methods Between February 2019 and February 2021, 12 patients with ruptured BBAs underwent PED-assisted coil embolization. We collected detailed data about each patient, including demographic information, aneurysmal data, technical details, antiplatelet strategy, operation-related complications, and follow-up outcomes. Results A total of 12 BBA patients were treated with single PED-assisted coil embolization. One patient experienced intraoperative rupture that was controlled by rapid coiling without clinical consequences. All the patients demonstrated complete occlusion on postoperative angiography. A total of three patients had postoperative complications: left hemiparesis, Broca's aphasia, and right hemiplegia due to vasospasm, and transient hemiparesis. Follow-up angiography revealed that all BBAs were completely occluded, except one with neck residue. All patients had favorable outcomes at discharge and the most recent clinical follow-up (mRS score ≤ 2). Conclusion Endovascular treatment of BBAs of the internal carotid artery using PED-assisted coil embolization is a safe and effective strategy. This has contributed to the understanding of BBA therapy and provides a potentially optimal treatment option for this intractable lesion.
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Superficial Temporal Artery (STA)-Posterior Cerebral Artery (PCA) Bypass through Zygomatic Anterior Temporal Approach for Complex PCA Aneurysm: Technique Notes. World Neurosurg 2021; 159:110-119. [PMID: 34973443 DOI: 10.1016/j.wneu.2021.12.092] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 12/22/2021] [Indexed: 11/23/2022]
Abstract
BACKGROUND Posterior cerebral artery (PCA) aneurysms are rare and the majority are giant, dissecting, or fusiform in morphology. Proximal occlusion of PCA without revascularization causes a high risk of ischemic complications. This study aimed to evaluate the safety and validity of using superficial temporal artery (STA)-posterior cerebral artery (PCA) Bypass through zygomatic anterior temporal approach in complex PCA aneurysms. METHODS Trapping or resecting of the aneurysms and reconstruction of the distal PCA through a zygomatic anterior temporal approach were performed in 6 patients from June 2017 to August 2020. Postoperative angiography was used to confirm the obliteration of the aneurysms and the patency of bypass artery. Neurologic function was assessed by the modified Rankin Scale. RESULTS Four male and 2 female patients with a mean age of 43.8 years (Range, 21-58 years) were assessed. Subarachnoid hemorrhage occurred in 5 patients, including 3 patients with Hunt-Hess grade IV, 2 patients with grade III, and 1 patient with grade I. All PCA aneurysms were treated with trapping or resecting of the aneurysms and revascularization of the distal PCA. Postoperatively, all aneurysms were eliminated and no new permanent neurological deficit was found. During the follow-up, Modified mRS of all patients were improved: There were 2 patients with mRS Score 0, 1 patient with mRS Score 1, 1 patient with mRS Score 3, and 2 patients with mRS Score 4. The long-term graft patency rate was 100%. CONCLUSION The STA-PCA bypass appears to be a safe and effective method for the treatment of complex PCA aneurysms requiring supplementing the blood flow in the area of the PCA. We established a surgical route, allowing the procedure to be done through the zygomatic anterior temporal approach. This approach provides adequate operative field exposure and reduces retraction of the temporal lobe.
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Roy AK, Lekka E, Lee KH, Choi P, Day AL, Roc Chen P. Meta-analysis on the treatment options and outcomes of carotid blood blister aneurysms. J Clin Neurosci 2021; 92:147-152. [PMID: 34509242 DOI: 10.1016/j.jocn.2021.07.055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 06/22/2021] [Accepted: 07/25/2021] [Indexed: 01/21/2023]
Abstract
OBJECTIVE Carotid blister aneurysms remain a formidable surgical challenge with varied surgical options. There have been significant advancements in the endovascular management of these aneurysms with the introduction of flow diverters. The comparative risk profiles for different endovascular options compared to surgical management of these lesions is not completely understood. METHODS The study is a comprehensive systematic review and meta-analysis on the treatment of carotid blood blister aneurysms. Pubmed searches were used to identify relevant articles and patient level data was extracted. Two and three group analyses were conducted comparing surgical and endovascular strategies and surgical, stent coil and flow diversion techniques respectively. Patient outcomes were graded on the modified Rankin Scale with a score of 2 or less defined as favorable. RESULTS In total, 83 studies (41 and 42 studies on surgical and endovascular interventions, respectively) with 1119 patients met our inclusion criteria. A statistically significant difference (at the 5% level of significance) in the effect among three different interventions was not found (Q = 3.41, p = 0.1815) under the random-effect model. Our results did show summary proportions of favorable outcomes were higher in the stent coil (0.87, 95% CI: 0.79 - 0.94) and flow diversion (0.87, 95% CI: 0.75 - 0.96) than that of surgery (0.76, 95% CI: 0.71 - 0.83). CONCLUSIONS Our results suggest a trend towards improved patient outcomes with endovascular techniques compared to surgical strategies but statistical significance was not achieved. We also found that endovascular techniques compare favorably. Increasing retreatments were found to negatively affect patient outcomes.
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Affiliation(s)
- Anil K Roy
- Lyerly Neurosurgery, Baptist Neurological Institute, Jacksonville, FL, United States
| | - Elvira Lekka
- Department of Neurological Surgery, The University of Texas at Houston, Houston, TX, United States
| | - Kyung H Lee
- Center for Clinical Research & Evidence Based Medicine, The University of Texas at Houston, Houston, TX, United States
| | - Phillip Choi
- Department of Neurological Surgery, The University of Texas at Houston, Houston, TX, United States
| | - Arthur L Day
- Department of Neurological Surgery, The University of Texas at Houston, Houston, TX, United States
| | - Peng Roc Chen
- Department of Neurological Surgery, The University of Texas at Houston, Houston, TX, United States.
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Sanchez VE, Haider AS, Rowe SE, Wahood W, Sagoo NS, Ozair A, El Ahmadieh TY, Kan P, Johnson JN. Comparison of Blister Aneurysm Treatment Techniques: A Systematic Review and Meta-Analysis. World Neurosurg 2021; 154:e82-e101. [PMID: 34224880 DOI: 10.1016/j.wneu.2021.06.129] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 06/25/2021] [Accepted: 06/26/2021] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Blood blister aneurysms are small, thin-walled, rapidly growing side-wall aneurysms that have proved particularly difficult to treat, and evidence-based guidance for treatment strategies is lacking. A systematic review and meta-analysis was performed to aggregate the available data and compare the 3 primary treatment modalities. METHODS We performed a comprehensive literature search according to PRISMA guidelines followed by an indirect meta-analysis that compares the safety and efficacy of surgical, flow-diverting stents (FDS), and other endovascular approaches for the treatment of ruptured blood blister aneurysms. RESULTS A total of 102 studies were included for quantitative synthesis, with sample sizes of 687 treated surgically, 704 treated endovascularly without FDS, and 125 treated via flow diversion. Comparatively, FDS achieved significantly reduced rates of perioperative retreatment compared with both surgical (P = 0.025) and non-FDS endovascular (P < 0.001). The FDS subgroup also achieved a significantly lower incidence of perioperative rebleed (P < 0.001), perioperative hydrocephalus (P = 0.012), postoperative infarction (P = 0.002), postoperative hydrocephalus (P < 0.001), and postoperative vasospasm (P = 0.002) compared with those patients in the open surgical subgroup. Although no significant differences were found among groups on the basis of functional outcomes, angiographic outcomes detailed by rates of radiographic complete occlusion were highest for surgical (90.7%, 262/289) and FDS (89.1%, 98/110) subgroups versus the non-FDS endovascular subgroup (82.7%, 268/324). CONCLUSIONS Flow diversion seems to be an effective treatment strategy for ruptured blood blister aneurysms, with lower rates of perioperative complications compared with surgical and other endovascular techniques, but studies investigating long-term outcomes after flow diversion warrant further study.
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Affiliation(s)
- Victoria E Sanchez
- Department of Neurosurgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Ali S Haider
- Department of Neurosurgery, Texas A&M University College of Medicine, Bryan, Texas, USA
| | - Scott E Rowe
- Department of Surgery, Nova Southeastern University College of Osteopathic Medicine, Davie, Florida, USA
| | - Waseem Wahood
- Department of Surgery, Nova Southeastern University College of Allopathic Medicine, Davie, Florida, USA
| | - Navraj S Sagoo
- Department of Orthopaedic Surgery, University of Texas Medical Branch School of Medicine, Galveston, Texas, USA
| | - Ahmad Ozair
- Department of Neurosurgery, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Tarek Y El Ahmadieh
- Department of Neurosurgery, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Peter Kan
- Department of Neurosurgery, University of Texas Medical Branch, Galveston, Texas, USA
| | - Jeremiah N Johnson
- Department of Neurosurgery, University of California Los Angeles, Los Angeles, California, USA.
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Ricciardi L, Trungu S, Scerrati A, Mongardi L, Flacco ME, Raco A, Miscusi M, De Bonis P, Sturiale CL. Surgical treatment of intracranial blister aneurysms: A systematic review. Clin Neurol Neurosurg 2021; 202:106550. [PMID: 33588360 DOI: 10.1016/j.clineuro.2021.106550] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 02/02/2021] [Accepted: 02/03/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Intracranial blister aneurysms (BAs) are challenging vascular lesions related to high morbidity and mortality rates. Different surgical and endovascular techniques have been proposed to treat BAs; however, there is no consensus on a preferred treatment. OBJECTIVE To systematically review the pertinent literature on clinical and radiological outcomes of different surgical treatments for BAs management, to meta-analyze their clinical and radiological outcomes, and compare these results with those from recent meta-analyses on endovascular treatments for BAs. METHODS The present study was consistently conducted according to the PRISMA guidelines. Five different online medical databases (PubMed, Medline, EMBASE, Scopus, and Web-of-Science) were screened from 2010 through 2020. Papers reporting clinical and radiological outcomes of different surgical treatments for BAs were considered. Event rates were pooled across studies using random-effects meta-analysis. RESULTS A total of 35 studies reporting on 514 patients (534 aneurysms) were included. Aneurysm clipping in 223 patients (45.4%; 95% CI 21.9-53.8), bypass and trapping in 87 (17.7%; 95% CI 1.89-21.6), clipping and wrapping in 82 (16.7%; 95% CI 3.71-19.0), and wrapping in 33 (6.7%; 95% CI 0.0-4.87) were the mostly common performed treatments. Complete occlusion rate was reported in 90.7% of patients. The complication rate was as high as 61.1%, the mortality rate was 7.4%, and the mean mRS at follow-up was 2.5. CONCLUSIONS Our meta-analysis suggests that surgical treatments for BAs are related to higher occlusion, complications and mortality rate than endovascular strategies. However, there is a high-heterogeneity among the included studies and data are poorly reported; so comparing the two type of treatments is unreliable in order to establish which one is better.
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Affiliation(s)
- Luca Ricciardi
- UOC Di Neurochirurgia, Azienda Ospedaliera Sant'Andrea, Dipartimento NESMOS, Sapienza, Rome, Italy
| | - Sokol Trungu
- UOC Di Neurochirurgia, Azienda Ospedaliera Sant'Andrea, Dipartimento NESMOS, Sapienza, Rome, Italy; UO di Neurochirurgia, Pia Fondazione di Culto e Religione Cardinal G. Panico, Tricase, LE, Italy
| | - Alba Scerrati
- Department of Translational Medicine and for Romagna, University of Ferrara, Ferrara, Italy; Department of Neurosurgery, S. Anna University Hospital, Ferrara, Italy.
| | - Lorenzo Mongardi
- Department of Neurosurgery, S. Anna University Hospital, Ferrara, Italy
| | | | - Antonino Raco
- UOC Di Neurochirurgia, Azienda Ospedaliera Sant'Andrea, Dipartimento NESMOS, Sapienza, Rome, Italy
| | - Massimo Miscusi
- UOC Di Neurochirurgia, Azienda Ospedaliera Sant'Andrea, Dipartimento NESMOS, Sapienza, Rome, Italy
| | - Pasquale De Bonis
- Department of Translational Medicine and for Romagna, University of Ferrara, Ferrara, Italy; Department of Neurosurgery, S. Anna University Hospital, Ferrara, Italy
| | - Carmelo Lucio Sturiale
- Department of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
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Hou K, Xu K, Guo Y, Yu J. In situ suturing of a post-meatal segment of the anterior inferior cerebellar artery dissected by an aneurysm: A technical note. Neuroradiol J 2020; 34:49-52. [PMID: 33050801 DOI: 10.1177/1971400920964717] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Aneurysms originating along the peripheral portion of the anterior inferior cerebellar artery (AICA) are rare entities. As a result of the small diameter of the AICA, it is very challenging to preserve the parent artery during endovascular treatment for a peripheral AICA aneurysm. In this report, we present a rare case of aneurysm in the a2 segment of the right AICA. During surgery, the aneurysm was found to be a dissecting aneurysm. As the tissue of the aneurysm neck had a similar thickness to that of the adjacent normal vessel, interrupted suturing of the vessel was performed after partial removal and trimming of the aneurysm wall. The patient experienced an uneventful postoperative recovery. No other neurological deficit was noted. Magnetic resonance imaging three days after surgery revealed no acute ischaemia in the brainstem and cerebellum. Catheter angiography nine months later showed no recurrence of the aneurysm or stenosis of the AICA. The a2 segment of the AICA runs tortuously along the subarachnoid space of the cerebellopontine angle, which permits higher vascular mobility. In selected cases, in situ suturing or re-anastomosis could be considered for a2 segment aneurysms.
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Affiliation(s)
- Kun Hou
- Department of Neurosurgery, The First Hospital of Jilin University, PR China
| | - Kan Xu
- Department of Neurosurgery, The First Hospital of Jilin University, PR China
| | - Yunbao Guo
- Department of Neurosurgery, The First Hospital of Jilin University, PR China
| | - Jinlu Yu
- Department of Neurosurgery, The First Hospital of Jilin University, PR China
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