• Int. J. Clin. Pract. · Jan 2022

    Identification of the Risk Factors for the Failure of Ureteral Access Sheath Placement.

    • Jieping Hu, Yue Yu, Wei Liu, Jialei Zhong, Xiaochen Zhou, and Haibo Xi.
    • Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang, China.
    • Int. J. Clin. Pract. 2022 Jan 1; 2022: 7518971.

    PurposeInsertion of a ureteral access sheath (UAS) may fail in some patients in retrograde intrarenal surgery (RIRS), and this study aimed to seek preoperative risk factors for the failure of 12/14F UAS placement.MethodsWe retrospectively analyzed 260 consecutive patients who underwent RIRS between May 2020 and March 2022 at our institution. Data on patient and stone characteristics and several computed tomography (CT)-based measurements were collected and compared between the success and failure UAS placement groups.ResultsTwenty-nine (11.2%) patients failed to insert the UAS. Age, gender, height, weight, stone side, stone location, length of history, and computed tomography (CT)-based parameters were not significant differences between the two groups. Univariate logistic regression analyses showed sex (female/male) (odds ratio: 0.287 and 95% CI [0.107, 0.722], p=0.013), length of history 15-31 days (odds ratio: 0.315 and 95% CI [0.102, 0.974], p=0.045), length of history >31 days (odds ratio: 0.202 and 95% CI [0.051, 0.805], p=0.023), and diameter of the ipsilateral common iliac artery (odds ratio: 1.285 and 95% CI [1.018, 1.623], p=0.035) were associated with UAS placement.ConclusionOur study indicated that males, the short length of history, and the short diameter of the ipsilateral common iliac artery were the risk factors for the failure of UAS placement.Copyright © 2022 Jieping Hu et al.

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