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ORIGINAL ARTICLE
Year : 2020  |  Volume : 15  |  Issue : 1  |  Page : 26-30

Intraoperative use of microscope-integrated flow 800 – A valuable tool in surgical management of anterior communicating artery aneurysm: Our institutional experience


1 Department of Neurosurgery, Krishna Institute of Medical Sciences, Karad, Maharashtra, India
2 Department of Neurosurgery, Fujita Health University, Babuntane Hospital, Nagoya, Japan
3 Department of Neurosurgery, Neurosurgery Unit AOU Policlinico di Modena – OCSAE Modena Hospital, Modena, Italy; Neurosurgical Residency Program of the University of Padova, Cerebrovascular and Skull Base Fellow at Fujita Healt University Bantane Hospital, Nagoya, Japan

Correspondence Address:
Dr. Vaibhav S Chavan
Department of Neurosurgery, Krishna Institute of Medical Sciences, Karad - 415 539, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ajns.AJNS_342_19

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Background: Flow 800 is microscope-integrated analytical visualization tool which analyses the indocyanine green (ICG) video sequence and converts it into an intensity diagram. This allows an objective evaluation of the result rather than subjective assessment of ICG fluorescence. The anatomy of anterior communicating artery region is complex because of multiple vessels and perforators in small space; hence, there is a need of objective assessment tool which can give precise idea about vascular compromise. Flow 800 can serve as a valuable tool in this complex surgery. Objective: The objective of this study was to evaluate the utility of microscope-integrated fluorescent ICG videoangiography (Flow 800) in A-com aneurysm surgery. Materials and Methods: We used Flow 800 in ten consecutive patients of A-com aneurysm surgery from July 2019 to October 2019. We studied patient characteristics, intraoperative observation of ICG and Flow 800, and corresponding changes made in the operative decisions. Results: The use of Flow 800 helped in intraoperative decision of four out of ten patients of A-com aneurysm. In two patients, incomplete clipping was confirmed with Flow 800 and the second clip was applied. In the third patient, perforator compromise was found hence needed clip readjustment, whereas in the fourth patient, ICG was inconclusive and Flow 800 confirmed complete clipping of aneurysm. Conclusion: Flow 800 is a conclusive reproducible and objective tool for early detection of vascular compromise of multiple vessels and perforators in A-com aneurysm surgery. It gives a better idea of vasculature, especially where ICG is ambiguous or inconclusive.


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