Impact of the Mayo Adhesive Probability Score on the Complexity of Robot-Assisted Partial Nephrectomy

Journal of Endourology
Ryo IshiyamaKazunari Tanabe

Abstract

Mayo adhesive probability (MAP) score quantifies adherent perinephric fat (APF) and is associated with the prolongation of surgery duration or the increase of surgical complication rates. In this study, 311 patients who underwent robot-assisted partial nephrectomy (RAPN) at our institute were included. APF was quantified using the MAP score calculated using perinephric fat thickness and stranding seen on a preoperative enhanced CT scans. The surgery duration was classified into the dissection (robotic manipulation to hilar clamping) and resection (hilar clamping to robotic surgery completion) phases. The MAP score was found to be 0, 1, 2, 3, 4, and 5 in 98 (32%), 86 (28%), 21 (7%), 48 (15%), 44 (14%), and 14 (4%) patients, respectively. The dissection and resection phase times increased with an increase in the MAP score. The median dissection phase times for MAP scores of 0, 1, 2, 3, 4, and 5 were 71.7, 79.1, 88.9, 97.0, 99.7, and 118.8 minutes, respectively. The MAP score was more strongly associated with the prolongation of the dissection phase than with the prolongation of the resection phase. In multivariate analysis for dissection phase time of more than 90 minutes, the body mass index [odds ratio (OR) = 1.09, p = 0.0209],...Continue Reading

References

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Jan 27, 2015·European Urology·Borje LjungbergAxel Bex
May 10, 2017·The Journal of Urology·Steven CampbellPhilip M Pierorazio

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Citations

Jan 28, 2021·International Journal of Clinical Oncology·Zine-Eddine KheneKarim Bensalah
Jun 14, 2021·International Journal of Clinical Practice·Erman CeyhanCenk Yucel Bilen

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Methods Mentioned

BETA
dissection

Software Mentioned

JMP

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