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Prognostication of Ovarian Function after Ovarian Torsion Using Intraoperative Indocyanine Green Angiography by Keisuke Oyama; Kazunori Nakamoto; Makiko Omori; Hiroko Fukasawa; Shuji Hirata is a Medicine article available to read on EtoBox.

What is Prognostication of Ovarian Function after Ovarian Torsion Using Intraoperative Indocyanine Green Angiography about?

## Study objective: To quantitatively evaluate the blood flow in ovaries (ischemic ovaries) that underwent torsion using indocyanine green angiography (icga) and assess the use of icga as an indicator for functional preservation of the ovaries. ## Design: In vivo animal study. ## Setting: The university of yamanashi animal experimentation center. ## Subjects: Eighteen female wistar albino rats. ## Interventions: As an alternative to ovarian torsion, we occluded an ovary in each rat for 24 hours, after which we performed icga before and after releasing ischemia and extracted the following 8 parameters: f (maximum f value before releasing ischemia); t (time taken from the onset of an increase in f to reaching f); t (time taken from the onset of an increase in f to reaching half of f); slope (f/t); time ratio (t/t); f' (maximum f value after releasing ischemia); reperfusion rate (f'/f); and reperfusion gap (f' - f). four weeks later, we counted the total number of primordial and primary follicles and classified the rats into functional and nonfunctional groups. ## Measurements and main results: On the basis of the total number of primordial and primary follicles, 13 rats had "function

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Author

Keisuke Oyama; Kazunori Nakamoto; Makiko Omori; Hiroko Fukasawa; Shuji Hirata

Publisher

Elsevier BV

Published

2021

Language

EN

Field

Medicine (Health Sciences)