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. 2021 Mar;25(3):315-321.
doi: 10.1007/s10157-020-01984-8. Epub 2020 Oct 30.

Preoperative CT volumetry of estimated residual kidney for prediction of postoperative chronic kidney disease in patients with renal cell carcinoma

Yutaro Hori #  1 , Daisuke Obinata #  1 , Daigo Funakoshi  1 , Fuminori Sakurai  1 , Tsuyoshi Yoshizawa  1 , Tsuyoshi Matsui  1 , Junichi Mochida  1 , Kenya Yamaguchi  2 , Satoru Takahashi  1
Affiliations

Preoperative CT volumetry of estimated residual kidney for prediction of postoperative chronic kidney disease in patients with renal cell carcinoma

Yutaro Hori et al. Clin Exp Nephrol. 2021 Mar.

Abstract

Background: Surgical treatments for renal cell carcinoma reduces kidney volume to some degree and may derive postsurgical chronic kidney disease. We made a new marker for postoperative renal function using CT volumetry. To determine the impact of various parameters including this marker, we observed pre- and postsurgical renal function of experienced cases.

Methods: From 2004 to 2014, we underwent total or partial nephrectomy for 181 patients with renal carcinoma in a single institution. Of the total, 138 cases with presurgical CT volumetry were included in this study. We evaluated parameters for assessments of peri- and postoperative renal function including age, gender, serum creatinine, eGFR, performed surgery, pathology, estimated residual kidney volume and associated disease. Presence or absence of acute kidney injury (AKI) and chronic kidney disease (CKD) were also evaluated before, immediately after and 5 years after surgery.

Results: Multiple logistic regression analysis identified AKI, preoperative eGFR and estimated residual kidney volume as significant prognostic factors for the postoperative CKD. Moreover, cases with triple positive of these factors suffer postoperative CKD more significantly than those with one or two positives.

Conclusion: Using these predictive factors, we may determine patients with high risk for CKD who require an early intervention of renal protective treatment.

Keywords: Acute kidney insufficiency; Chronic kidney disease; Nephrectomy; Renal cell carcinoma; Volumetry.

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