S243 Sheathless Retrograde intra-renal surgery (RIRS) is a feasible option in kidney stones of less than 2 cm: Preliminary results

Baseskioglu, A.B.; Ülgen, Ali Metin; Yenilmez, A.; Can, Cavit; Dönmez, T.

doi:10.1016/s1569-9056(13)62276-9

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“…or "can RIRS be performed without UAS?" Baseskioglu et al [12] reported a stone-free rate of 81.4% with sheathless RIRS in 43 patients with renal stones <2 cm. However, it should be noted that 60% of these patients had preoperative double-J stents in their study.…”

Section: Discussionmentioning

confidence: 99%

Can alpha blockers facilitate the placement of ureteral access sheaths in retrograde intrarenal surgery?

Erturhan

Bayrak

Şen

et al. 2019

Turkish Journal of Urology

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Objective: To investigate the effects of alpha blocker treatment on the placement of ureteral access sheaths (UAS) during retrograde intrarenal surgery (RIRS). Material and methods: This study was a retrospective analysis of prospectively collected data. Patients who underwent RIRS due to renal stones between November 2015 and December 2017 were seperated into two groups. Age, gender, body mass index (BMI), stone size, laterality, hydronephrosis degree, and renal stone density were recorded. Tamsulosin (0.4 mg/day) was prescribed to the study group (n=25) 2 weeks before the operation. The control group (n=25) underwent the operation without any additional treatment. All the operations were performed using a 7.5 Fr flexible ureteroscope and 9.5/11.5 Fr (Cook, Blooming, USA) UAS. Results: Two patients in the study group were excluded from the study as they suffered from dizziness and retrograde ejaculation. No statistically significant difference was found between the patients in the study group (n=23) and control group (n=25) in terms of age, gender, BMI, stone size, laterality, hydronephrosis, and renal stone density (p= 0.470, p= 0.536, p= 0.456, p= 0.102, p= 0.555, p= 0.732, and p= 0.317, respectively). The UAS could be successfully placed on the first attempt in 15 (65.2%) patients in the study group and 11 (44%) patients in the control group during the first attempt itself. Even though the successful UAS placement rate was higher in the study group, no statistically significant values were observed (p= 0.141). Conclusion: The data obtained from the present study showed that the use of alpha blockers prior to RIRS did not improve the UAS placement rates. It is considered that studies conducted on more patients might be able to achieve significant values.

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Section: Discussionmentioning

confidence: 99%