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Predicting emergency interventions in patients with acute ureteral colic using acute renal colic scoring system in a Pakistani cohort

  • Urology - Original Paper
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Abstract

Objective

To evaluate the acute renal colic score (ARC) in predicting the need of emergency intervention (EI) in patients with ureteric colic secondary to a ureteral stone.

Patient and methods

In an emergency room (ER) of a university hospital, we conducted a prospective cohort study over a period of 6 months. ARC score was calculated using four parameters, i.e., serum creatinine, total white cell count (TLC), stone length and level. Primary outcome measure was EI, which was defined as the need of endourological intervention within 48 h of presentation. ARC was calculated for each patient against the two possible outcomes, i.e., EI vs. no EI. The need of intervention was based on patient-related clinical factors and the decision of the attending urologist.

Results

The study included 132 patients. EI was performed in 85 patients (64.4%). URS was the most common intervention performed in 81 (95.3%) patients, followed by the a insertion of a double J stent in two (2.4%) patients for forniceal rupture and high TLC count and percutaneous nephrostomy in two (2.4%) patients for raised creatinine and TLC. All four variables in ARC score including serum creatinine (p < 0.001), TLC (p < 0.001), stone size (p < 0.001) and stone level (p < 0.001) were found to be significantly associated with need for EI. Using ROC the sensitivity and specificity of the score was 92.9% and 87.5%, respectively, with AUC of 0.93.

Conclusions

ARC score is highly sensitive and specific in determining the need of EI in patients with uncomplicated ureteric colic within 48 h of initial presentation.

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Authors and Affiliations

  1. Aga Khan University, Stadium Road, P O Box 3500, Karachi, 75290, Pakistan

    Roshane-Shahid Rana, Syed M. Nazim & M. Hammad Ather

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  1. Roshane-Shahid Rana
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  2. Syed M. Nazim
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  3. M. Hammad Ather
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Correspondence to M. Hammad Ather.

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Rana, RS., Nazim, S.M. & Ather, M.H. Predicting emergency interventions in patients with acute ureteral colic using acute renal colic scoring system in a Pakistani cohort. Int Urol Nephrol 53, 21–26 (2021). https://doi.org/10.1007/s11255-020-02607-7

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