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Background: Ureteric colic is a common emergency urological presentation [1]. When operative intervention is required, retrograde ureteroscopy is the most common approach. There are multiple treatment strategies including primary ureteroscopy (URS), staged ureteroscopy, and deferred ureteroscopy following ureteric stent placement. The approach is based on a number of clinical and stone factors. This study assesses the factors which predict stone clearance at the initial procedure. Aims: All patients diagnosed with an obstructing ureteric stone who were managed operatively in a consecutive 12-month period were included. Patients were evaluated for stone clearance following a single or multiple procedures. A number of factors including stone size, location, gender, age and pre-operative laboratory results were evaluated for association with stone clearance at index procedure. Multivariate logistic regression analyses were performed to produce odds ratios (OR) with confidence interval (CI) at 95% and significance values P < 0.05. Results: One hundred and seventy patients were included in the final analysis. Stone clearance following the index procedure was achieved in 57% (n = 100) of patients. Predictors of successful stone clearance at index procedure were stone size < 6 mm, male gender and distal stone location (p < 0.05). Proximal stone location, stone size > 10 mm and elevated c-reactive protein (CRP) were associated respectively with multiple procedures to achieve stone clearance (p < 0.05). Conclusions: Acute ureteric stones can be managed with a number of treatment strategies. This study identifies factors which predict stone clearance at index procedure. These results will help urologists accurately counsel patients when undertaking operative management for ureteric colic. [ABSTRACT FROM AUTHOR]

Background: Urolithiasis is a common urological presentation1. A total of 25–49 million people in Europe live with symptomatic stone disease, with the incidence increasing1. Aims: To examine length of stay (LOS) and transfer patterns for patients presenting with urolithiasis to Irish Model 2/3 hospitals without a specialist urology service, compared with those who present to a model 4 hospital with an on-site urology service. Methods: Using the National Quality Assurance & Improvement System (NQAIS), we assessed patients presenting with urolithiasis, nationally from January 2016 to December 2019. Results: During the study period, there were 11,856 emergency presentations with urolithiasis. A total of 6510 (54.9%) presented to model 4 hospitals, while 5346 (45.1%) presented to model 2/3 hospitals. A total of 874 (16.35%) patients required transfer from model 2/3 hospital to a model 4 hospital for further management. Those transferred from model 2/3 hospitals spent a mean of 3.68 days awaiting transfer and had a mean LOS of 3.88 days in the model 4 hospital. A total of 7.56 days compared with a mean LOS of 2.9 days for those presenting directly to a model 4 hospital. Conclusion: At a national level in Ireland, many patients with urolithiasis present to hospitals that are unable to cater for their needs. Patients presenting with urolithiasis to model 2/3 hospitals have significantly longer LOS compared with patients who present directly to a model 4 hospital. A formal 'stone pathway' is required to provide timely care for these patients2—such a pathway would provide better patient care and result in improved bed utilisation. [ABSTRACT FROM AUTHOR]