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Background: This study investigates the accuracy, stability, and safety of computer-assisted microcatheter shaping for intracranial aneurysm coiling.
Methods: Using the solid model, a microcatheter was shaped using computer-assisted techniques or manually to investigate the accuracy and delivery of microcatheter-shaping techniques in aneurysm embolization. Then, forty-eight patients were randomly assigned to the computer-assisted microcatheter-shaping (CAMS) group or the manual microcatheter-shaping (MMS) group, and the accuracy, stability, and safety of microcatheter in the patients were compared between the CAMS and MMS groups.
Results: The speed of the successful microcatheter position was significantly faster in the CAMS group than in the MMS group (114.4 ± 23.99 s vs. 201.9 ± 24.54 s, = 0.015) in vitro. In particular for inexperienced operators, the speed of the microcatheter position with the assistance of computer software is much faster than manual microcatheter shaping (93.6 ± 29.23 s vs. 228.9 ± 31.27 s, = 0.005). In vivo, the time of the microcatheter position in the MMS group was significantly longer than that in the CAMS group (5.16 ± 0.46 min vs. 2.48 ± 0.32 min, = 0.0001). However, the mRS score at discharge, the 6-month follow-up, and aneurysm regrowth at the 6-month follow-up were all similar between the groups.
Conclusions: Computer-assisted microcatheter shaping is a novel and safe method for microcatheter shaping that introduces higher accuracy in microcatheter shaping during the treatment of intracranial aneurysms.
Significant: Endovascular coiling of intracranial aneurysms can be truly revolutionized through computer assistance, which could improve the endovascular treatment of aneurysms.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10526415 | PMC |
http://dx.doi.org/10.3390/brainsci13091273 | DOI Listing |
NMC Case Rep J
November 2024
Department of Neurosurgery, Osaka Kaisei Hospital, Osaka, Osaka, Japan.
In endovascular therapy, the induction and stable placement of the guiding catheter (GC) are not only the initial steps but also crucial techniques influencing treatment success. However, in some cases, GC induction is challenging due to variations in the aortic arch or tortuosity of the blood vessels. In the present case, endovascular therapy was carried out for a ruptured aneurysm in the dorsal portion of the left internal carotid artery.
View Article and Find Full Text PDFEur J Radiol
December 2024
Neurovascular Center, Changhai Hospital, Naval Medical University, Shanghai, China. Electronic address:
Objective: To compare the coating damage and shape retention quality of microcatheter by steam (ST), hot air gun (HA), and HA + ST shaping.
Method: SL-10, XT-17, and Q-track microcatheters were included in the study. MarSurf CM explorer (a non-contact 3D confocal microscopy system) and MATLAB software were used to detect the surface coating damage.
World Neurosurg
November 2024
Department of Neurosurgery, The Affiliated Hospital, Southwest Medical University, Luzhou, China. Electronic address:
Intracranial aneurysms (IAs), an asymptomatic vascular lesion, are becoming increasingly common as imaging technology progresses. Subarachnoid hemorrhage from IAs rupture entails a substantial risk of mortality or severe disability. The early detection and prompt intervention of IAs posing a high risk of rupture are paramount for optimizing clinical management and safeguarding patients' lives.
View Article and Find Full Text PDFJ Neurosurg Case Lessons
November 2024
Department of Neurosurgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
World Neurosurg
November 2024
Division of Interventional Therapy Center, Cerebrovascular Disease Hospital, Henan Provincial People's Hospital, Cerebrovascular Division of Interventional Therapy Center, Zhengzhou University People's Hospital, Henan Provincial Neurointerventional Engineering Research Center, Zhengzhou, China.
Objective: To investigate the effect of microcatheter shaping based on the parent artery mainstream line of blood flow simulated using the computational fluid dynamics (CFD) technique on embolization of unruptured aneurysms on the posterior wall of the anterior cerebral artery (ACA) A1 segment.
Methods: Patients with unruptured cerebral aneurysms on the posterior wall of the ACA A1 segment were retrospectively enrolled and treated with endovascular embolization after microcatheter shaping. The clinical, embolization, and follow-up data were analyzed.
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