Implementation of a clinical practice guideline for assessment and management of renal colic in the emergency department

Cecile T. Pham*, Nicholas Hui, Regine Yan, Emma Richardson, Salonee Phanse, Jordan E. Cohen, George McClintock, Ahilan Parameswaran, Matthew Smith, Andrew Mitterdorfer, John Boulas, Paul Gassner, Dinesh Patel, Paul Sved

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

INTRODUCTION: Renal colic is a common emergency department (ED) presentation. Variations in assessment and management of suspected renal colic may have significant implications on patient and hospital outcomes. We developed a clinical practice guideline to standardize the assessment and management of renal colic in the ED. We subsequently compared outcomes before and after guideline implementation.

METHODS: The guideline standardizes the analgesia regimen, urology consult criteria, imaging modality, patient education, and followup instructions. This is a single-center, observational cohort study of patients presenting to the ED with renal colic prospectively collected after guideline implementation (December 2018 to May 2019) compared to a control group retrospectively collected before guideline implementation (December 2017 to May 2018). A total of 528 patients (pre-guideline n=283, post-guideline n=245) were included. Statistical analysis was performed with SPSS using multivariate linear regression.

RESULTS: ED length of stay (LOS) was significantly shorter after guideline implementation (pre-guideline 295.82±178.8 minutes vs. post-guideline 253.2±118.2 minutes, p=0.017). The number of computed tomography (CT) scans patients received was significantly less after guideline implementation (pre guideline 1.35±1.34 vs. post-guideline 1.00±0.68, p=0.034). Patients discharged for conservative management had a lower re-presentation rate in the post-guideline group (12.6%) than the pre-guideline group (17.2%); however, this did not reach statistical significance (p=0.18).

CONCLUSIONS: Implementation of a clinical practice guideline for ureteric stones reduces the ED LOS and the total number of CT scan in patients who present with renal colic. Standardizing assessment and management of ureteric stones can potentially improve patient and hospital outcomes without compromising the quality of care.

Original languageEnglish
Pages (from-to)E176-E181
Number of pages6
JournalCanadian Urological Association Journal
Volume17
Issue number7
Early online date11 Apr 2023
DOIs
Publication statusPublished - Jul 2023

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