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PURPOSE: Our aim is to evaluate different ureteral access sheaths (UASs), which are available in the international market and their compatibility with different available flexible ureteroscopes (F-URSs) to help the urologist choose the proper ureteral access sheath for his or her endoscope before commencing the procedure. MATERIALS AND METHODS: A total of 21 UASs and 12 F-URSs were evaluated. Measurements were obtained in French (F) units considering different characteristics for each UAS and each F-URS. Insertion test without friction between F-URS and UAS was considered as a successful test and was referred as (YES). RESULTS: All UASs and F-URSs were successfully submitted to the insertion test. All F-URSs that were inserted into UASs without friction had an internal diameter of at least 12F. Different lengths of UAS did not influence the test outcome. CONCLUSION: This study was able to establish a correlation table between different UASs and different flexible ureteroscopes. As of now, the 12/14F UAS is considered the universal UAS that accepts all F-URSs that are available in the endourology field. Nevertheless, we are expecting a significant change with the new standard size 10/12F UAS as well as huge advances in minimizing the size of different endoscopes.
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Alqahtani et al. (Tue,) studied this question.
synapsesocial.com/papers/6a1eaf67544bdf605faf29ed — DOI: https://doi.org/10.1089/end.2013.0375
Saeed M. Alqahtani
Taibah University
Julien Letendre
Hôpital Maisonneuve-Rosemont
Alexandre Thomas
Gendarmerie Nationale
Journal of Endourology
Sorbonne Université
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