Do gynecologic oncology patients with severely diminished renal function and urinary tract obstruction benefit from ureteral stenting or percutaneous nephrostomy?

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: To assess the renal outcomes of gynecologic oncology patients who present with hydronephrosis and acute kidney injury (AKI), have <20% renal function on diuretic renal scintigraphy, and undergo placement of a ureteral stent or percutaneous nephrostomy (PCN)tube. Methods: This is a single-institution case series of gynecologic oncology patients who underwent diuretic renal scintigraphy from January 1, 2007, to June 1, 2017. Univariate and multivariate logistic analyses were used to assess predictors of <20% renal function. Recovery from AKI or elevated creatinine was reported for women with <20% renal function who received a unilateral ureteral stent or PCN tube on the same side as their more compromised kidney. Results: Among 353 gynecologic oncology patients who underwent diuretic renal scintigraphy, 58 (16%)had renal function <20%. Mean age was 59.6 years, 17% had preexisting chronic kidney disease, and 44% had a diagnosis of cervical cancer. Renal atrophy on computed tomography scan (aOR 18.24, 95% CI 1.21–274.92)predicted renal function <20%. Of 10 women with <20% renal function who received a stent or PCN tube, 7 recovered from AKI or elevated creatinine. Conclusions: Gynecologic oncology patients with <20% renal function may recover from AKI after placement of a stent or PCN tube, indicating that a diuretic renal scintigraphy cutoff of <20% renal function may be overly conservative. Future studies are warranted to determine optimal renal function cutoffs for stent/PCN tube placement in gynecologic oncology patients.

Original languageEnglish
Pages (from-to)136-140
Number of pages5
JournalGynecologic Oncology Reports
Volume28
DOIs
StatePublished - May 2019

Keywords

  • Diuretic renal scintigraphy
  • Gynecologic oncology
  • Percutaneous nephrostomy tube
  • Ureteral stent
  • Urinary tract obstruction

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