The impact of pelvicalyceal anatomy on the stone formation in patients with lower pole renal stones

Balawender, Krzysztof; Orkisz, S

doi:10.5603/fm.a2017.0058

Cited by 6 publications

(2 citation statements)

References 20 publications

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“…The lower renal calyx is at a lower position relative to the whole kidney, and stone fragments are prone to staying in place and are hard to discharge. The anatomical characteristics of the lower calyx are complex, the infundibulopelvic angle is too small, and the infundibulum of the lower calyx is too long [20]. Due to anatomical characteristics, gravity, and other factors, the incidence of residual fragments left in the lower renal calyx is correspondingly high.…”

Section: Discussionmentioning

confidence: 99%

Novel Use of a Modified Triangular Prismatic Double-J Stent for 2- to 3-cm Renal Stones after One-Stage Retrograde Intrarenal Surgery

Wang¹,

Hu²,

Xie³

et al. 2021

Urol Int

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Objectives: To initially evaluate the outcomes of the modified triangular prismatic double-J (DJ) stent in the management of 2- to 3-cm renal stones after one-stage retrograde intrarenal surgery (RIRS). Methods: Patients with 2- to 3-cm renal stones who underwent one-stage RIRS with indwelling DJ stents were retrospectively evaluated. Eighty-eight patients who were placed the triangular prismatic DJ stents and 64 patients who received standard DJ stents were randomly included. The clinical characteristics and intraoperative and postoperative outcomes of the 2 groups were compared and analyzed. Results: The 2 groups had similar baseline characteristics. The urinary symptom score and pain score did not differ between groups (p > 0.05). The residual fragments of the 2 groups were similar 1 day after operation (p = 0.134). There was no significant difference in residual fragments in the lower calyx between groups at the time of stent removal (p = 0.834). The patients in the modified group had better spontaneous passage of residual fragments in the nonlower calyx than those in the standard group during the 2 weeks with the stents (p = 0.005). Fewer patients in the modified group had residual fragments (>4 mm) in the nonlower calyx (p = 0.026) and ureter (p = 0.010) than the patients with standard stents at the time of stent removal. Conclusion: The indwelling triangular prismatic DJ stent is a safe and efficient treatment method. Patients with these stents had better spontaneous residual fragment passage than those with the standard DJ stents.

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Section: Discussionmentioning

confidence: 99%

Novel Use of a Modified Triangular Prismatic Double-J Stent for 2- to 3-cm Renal Stones after One-Stage Retrograde Intrarenal Surgery

Wang¹,

Hu²,

Xie³

et al. 2021

Urol Int

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show abstract

“…The anatomy of the collecting system could be another potential risk factor. Some studies have focused on the characteristics of the inferior calyx that would be associated with a greater possibility of stone formation [2, 3]. In 1992, Sampaio was the first to describe the influence of the spatial distribution of the inferior calyx on the results obtained with shock wave lithotripsy (SWL) and the spontaneous passage of fragments achieved after treatment [4].…”

Section: Introductionmentioning

confidence: 99%

Endoscopic treatment of lower pole stones: is a disposable ureteroscope preferable? Results of a prospective case-control study

Salvadó

Cabello

Moreno

et al. 2019

Cent european J Urol

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InsKid—a new mobile application (app) that measures the infundibulopelvic angle before retrograde intrarenal surgery more reliably than does other approaches: pilot study

et al. 2020

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The impact of pelvicalyceal anatomy on the stone formation in patients with lower pole renal stones

Abstract: (Folia Morphol 2018; 77, 1: 16-21)

Cited by 6 publications

References 20 publications

Novel Use of a Modified Triangular Prismatic Double-J Stent for 2- to 3-cm Renal Stones after One-Stage Retrograde Intrarenal Surgery

Novel Use of a Modified Triangular Prismatic Double-J Stent for 2- to 3-cm Renal Stones after One-Stage Retrograde Intrarenal Surgery

Endoscopic treatment of lower pole stones: is a disposable ureteroscope preferable? Results of a prospective case-control study

InsKid—a new mobile application (app) that measures the infundibulopelvic angle before retrograde intrarenal surgery more reliably than does other approaches: pilot study

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