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Bilgin C, Tolba H, Ghozy S, Kobeissi H, Hassankhani A, Senol YC, Arul S, Kadirvel R, Kallmes DF. Effects of intravenous thrombolysis on stent retriever and aspiration thrombectomy outcomes: a systematic review and meta-analysis of the randomized controlled trials. J Neurointerv Surg 2024; 16:163-170. [PMID: 37258225 DOI: 10.1136/jnis-2023-020360] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Accepted: 05/03/2023] [Indexed: 06/02/2023]
Abstract
BACKGROUND Risks and benefits of intravenous thrombolysis (IVT) in patients undergoing mechanical thrombectomy (MT) have been a topic of interest. However, IVT's specific effects on stent retriever (SR) and aspiration thrombectomy (ASP) outcomes remain largely unexplored. In this meta-analysis, we aimed to investigate the effects of IVT on SR and ASP thrombectomy outcomes. METHODS In accordance with PRISMA guidelines, a systematic literature review was conducted using Medline, Embase, Scopus, Web of Science, and Cochrane Center of Clinical Trials databases. Outcomes of interest included successful recanalization (modified Thrombolysis In Cerebral Infarction (mTICI) ≥2b), modified first pass efficacy (mFPE), functional independence (modified Rankin Scale (mRS) ≤2), symptomatic intracranial hemorrhage (sICH), and embolization to new territories (ENT). RESULTS Four randomized controlled trials with 1176 patients were included. SR and ASP resulted in similar mTICI ≥2b, mFPE, and mRS 0-2 rates in patients with and without IVT administration. SR without IVT was associated with a significantly lower rate of mFPE compared with the SR+IVT (RR 0.85, 95% CI 0.74 to 0.97). Furthermore, ASP without IVT resulted in a lower rate of mRS 0-2 than the ASP+IVT with a strong trend towards significance (RR 0.78, 95% CI 0.60 to 1.01). Finally, bridging therapy did not increase sICH and ENT rates after ASP or SR thrombectomy. CONCLUSIONS Our findings suggest that SR and ASP thrombectomy have comparable safety and efficacy profiles, regardless of prior IVT administration. Additionally, our results indicate that the addition of IVT may improve certain efficacy outcomes based on the employed first-line MT technique.
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Affiliation(s)
- Cem Bilgin
- Department of Radiology, Mayo Clinic Rochester, Rochester, Minnesota, USA
| | - Hatem Tolba
- Department of Neurology, Medical College of Wisconsin, Wauwatosa, Wisconsin, USA
| | - Sherief Ghozy
- Department of Radiology, Mayo Clinic Rochester, Rochester, Minnesota, USA
| | - Hassan Kobeissi
- Central Michigan University College of Medicine, Mount Pleasant, Michigan, USA
| | - Amir Hassankhani
- Department of Radiology, Mayo Clinic Rochester, Rochester, Minnesota, USA
| | - Yigit Can Senol
- Department of Neurologic Surgery, Mayo Clinic Rochester, Rochester, Minnesota, USA
| | - Santhosh Arul
- Department of Radiology, Mayo Clinic Rochester, Rochester, Minnesota, USA
| | - Ramanathan Kadirvel
- Department of Neurologic Surgery, Mayo Clinic Rochester, Rochester, Minnesota, USA
| | - David F Kallmes
- Department of Radiology, Mayo Clinic Rochester, Rochester, Minnesota, USA
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Orscelik A, Senol YC, Bilgin C, Kobeissi H, Ghozy S, Musmar B, Bilgin GB, Zandpazandi S, Pakkam M, Arul S, Brinjikji W, Kallmes DF. Outcomes of mechanical thrombectomy in M1 occlusion patients with or without hyperdense middle cerebral artery sign: A systematic review and meta-analysis. Neuroradiol J 2023:19714009231224446. [PMID: 38146685 DOI: 10.1177/19714009231224446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2023] Open
Abstract
BACKGROUND The comparison of mechanical thrombectomy (MT) outcomes between patients with the hyperdense middle cerebral artery sign (HMCAS) and non-HMCAS is important to evaluate the impact of this radiological finding on treatment efficacy. This meta-analysis aimed to assess the association between HMCAS and clinical outcomes in patients undergoing thrombectomy, comparing the outcomes over non-HMCAS. METHODS A systematic literature search was conducted in PubMed, Ovid Embase, Google Scholar, and Cochrane Library to identify studies on MT outcomes for M1 occlusions of HMCAS over non-HMCAS. Inclusion criteria encompassed modified Rankin Scale (mRS) score, mortality, symptomatic intracranial hemorrhage (sICH), and successful recanalization. Using R software version 4.1.2, we calculated pooled odds ratios (ORs) and their corresponding 95% confidence intervals (CI). RESULTS The meta-analysis was performed for 5 studies with 724 patients. There was no association found between presence of HMCAS and achieving mRS 0-2 (OR = 0.65, 95% CI: 0.29-1.47; p = .544). Mortality analysis also showed no significant association with presence of HMCAS (OR = 0.78, 95% CI: 0.37-1.65; p = .520). No significant difference in sICH risk (OR = 1.54, 95% CI: 0.24-9.66; p = .646) was found between groups. Recanalization analysis showed a non-significant positive association (OR = 1.23, 95% CI: 0.67-2.28; p = .501). Heterogeneity was observed in all analyses. CONCLUSION Our findings showed that there is no statistically significant difference in mRS scores, mortality, sICH, and recanalization success rates between the HMCAS and non-HMCAS groups.
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Affiliation(s)
- Atakan Orscelik
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
- Department of Neurosurgery, Division of Neuroendovascular Surgery, Medical University of South Carolina, Charleston, SC, USA
| | - Yigit Can Senol
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, CA, USA
| | - Cem Bilgin
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
| | | | - Sherief Ghozy
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
- Department of Neurological Surgery, Mayo Clinic, Rochester, MN, USA
| | - Basel Musmar
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
| | | | - Sara Zandpazandi
- Department of Neurosurgery, Division of Neuroendovascular Surgery, Medical University of South Carolina, Charleston, SC, USA
| | - Madona Pakkam
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
| | - Santhosh Arul
- Department of Neurological Surgery, Mayo Clinic, Rochester, MN, USA
| | - Waleed Brinjikji
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
- Department of Neurological Surgery, Mayo Clinic, Rochester, MN, USA
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