Intraoperative needlescopy facilitates complete urolith removal during open cystotomy in dogs and cats: 19 cases.

Intraoperative needlescopy confirms complete urolith removal during cystotomy with minimal complications.

This observational retrospective study evaluated the feasibility of intraoperative needlescopy during open cystotomy for urolith retrieval in 19 small animals (17 dogs, 2 cats). Using a 125 x 1.9 mm needle scope, complete urethral visualization was achieved in female animals and animals with shorter urethras, while male dogs achieved 65-85% visualization. No intraoperative complications occurred, and postoperative radiographs in 11 cases confirmed complete stone removal. Minor postoperative complications included self-limiting hematuria and pollakiuria in four cases, with one dog requiring revision surgery for re-obstruction. The needle scope successfully identified urethral soft tissue injuries including strictures. This technique proved feasible and valuable for confirming complete urolith removal and assessing urethral integrity, particularly useful in settings with limited access to specialized endoscopic equipment or personnel training.

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