Outcome of Mini-percutaneous Nephrolithotomy for Renal Stones in Infants and Preschool Children: A Prospective Study

Daw, Kareem; Shouman, Ahmed; ElSheemy, Mohammed S.; Shoukry, A; Aboulela, Waseem; Morsi, Hany A.; Badawy, Hesham; Eissa, Mohamed

doi:10.1016/j.urology.2015.08.019

Cited by 25 publications

(28 citation statements)

References 27 publications

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“…The reported SFR for renal stones ≤3 cm after a single session was 85.7%. This increased to 96% after the second‐look Miniperc …”

Section: Discussionmentioning

confidence: 96%

“…Exclusion criteria were coagulation disorders, obstruction distal to calculi, impaired renal function (according to age) or non‐functioning kidney. Our SWL and Miniperc techniques were previously described . In brief, preoperative evaluation included serum creatinine, KUB and US.…”

Section: Methodsmentioning

confidence: 99%

“…After retrograde placing of a 4–6‐Fr ureteric catheter in the pelvi‐calyceal system under fluoroscopy, the nephrostomy tract was dilated in the prone position to accommodate a 14‐Fr renal sheath . One puncture was used in all children.…”

Section: Methodsmentioning

confidence: 99%

“…Our SWL and Miniperc techniques were previously described. 5,6 In brief, preoperative evaluation included serum creatinine, KUB and US. Stone size was determined by its longest diameter using non-contrast computed tomography scan.…”

Section: Methodsmentioning

confidence: 99%

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Lower calyceal and renal pelvic stones in preschool children: A comparative study of mini‐percutaneous nephrolithotomy versus extracorporeal shockwave lithotripsy

et al. 2016

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Objectives: To compare outcomes of the mini-percutaneous nephrolithotripsy technique and extracorporeal shockwave lithotripsy for lower calyceal and renal pelvic stones in preschool children. Methods: From January 2010 to December 2014, single renal pelvic or lower calyceal calculi 10-25 mm in size in children (age ≤6 years) treated by either extracorporeal shockwave lithotripsy (64 patients) or the mini-percutaneous nephrolithotripsy technique (54 patients) were included. Extracorporeal shockwave lithotripsy was carried out by using a Dornier electromagnetic lithotripter. The mini-percutaneous nephrolithotripsy technique was through 14-Fr renal access using a 9.5-Fr semirigid ureteroscope with holmium:yttrium aluminium garnet lithotripsy. The two study groups were compared using Mann-Whitney, v 2 -test or Fisher's exact test. Results: Stone parameters were similar in the mini-percutaneous nephrolithotripsy technique and extracorporeal shockwave lithotripsy groups in all patients, and in the pelvic (39 Miniperc, 52 extracorporeal shockwave lithotripsy) and lower calyceal (15 Miniperc, 12 extracorporeal shockwave lithotripsy) subgroups. Stone-free rates in the mini-percutaneous nephrolithotripsy technique and extracorporeal shockwave lithotripsy groups were 88.9% versus 43.8% (P < 0.001) and 94.4% versus 81.2% (P = 0.032) after first and last sessions, respectively. In the renal pelvis, they were 87.2% versus 50% (P < 0.001) and 94.9% versus 84.6% (P = 0.179), whereas in the lower calyx, they were 93.3% versus 16.7% (P < 0.001) and 93.3% versus 66.7% (P = 0.139) after first and last sessions, respectively. Retreatment rates in the mini-percutaneous nephrolithotripsy technique versus extracorporeal shockwave lithotripsy were 7.4% versus 50% (P < 0.001), 7.7% versus 46.2% (P < 0.001), and 6.7% versus 66.7% (P = 0.003) in all patients, renal pelvic and lower calyceal stones, respectively. No significant difference was found in complications (P = 0.521). Auxiliary procedures were required in 9.4% and 1.9% of children in the extracorporeal shockwave lithotripsy and mini-percutaneous nephrolithotripsy technique groups, respectively. Conclusions: The mini-percutaneous nephrolithotripsy technique has significantly higher stone-free rates than extracorporeal shockwave lithotripsy for renal pelvic and lower calyceal stones (10-25 mm), with a lower retreatment rate and without a significant increase in complications.

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“…The reported SFR for renal stones ≤3 cm after a single session was 85.7%. This increased to 96% after the second‐look Miniperc …”

Section: Discussionmentioning

confidence: 96%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

See 2 more Smart Citations

Lower calyceal and renal pelvic stones in preschool children: A comparative study of mini‐percutaneous nephrolithotomy versus extracorporeal shockwave lithotripsy

et al. 2016

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“…Saad and colleagues have compared RIRS (21) and PCNL (22) in stones larger than 2 cm in a total of 38 pediatric patients (43 renal units) under the age of 16, and length of hospital stay, radiation quantity (p<0.001), and complications (p=0.018) have been found high and there has been the need for blood transfusion in 3 patients (p=0.015) (7). In a mini PCNL series by Daw et al, bleeding (8%), hematuria and blood transfusion (4%), renal pelvis perforation (4%), leakage (8%), and fever (15%) have been seen (8). Two randomized and eight non-randomized studies were analyzed.…”

Section: Discussionmentioning

confidence: 98%

Should Flexible Ureterorenoscopy be the First-line Treatment Option for Renal Calculi?

Türkyılmaz¹,

Sönmez²,

Karabulut³

et al. 2017

GMJ

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While first-line treatment option for pediatric renal calculi, 1.5-2 cm in size, was open surgery in the past, percutaneous nephrolithotomy (PNL) is now the first-line treatment option in accordance with EUA pediatric guidelines. However, mini rigid ureterorenoscopy (URS) and the laser props of flexible URS have started to be used in the removal of these calculi. The present study aimed at conveying our experience in using flexible URS and laser on the removal of right renal calculus, 16 mm in size, in a 1-year-old male pediatric patient.

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Management of Stone Diseases in the Special Patient Population

Jung

Kim

2021

Practical Management of Urinary Stone

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Outcome of Mini-percutaneous Nephrolithotomy for Renal Stones in Infants and Preschool Children: A Prospective Study

Cited by 25 publications

References 27 publications

Lower calyceal and renal pelvic stones in preschool children: A comparative study of mini‐percutaneous nephrolithotomy versus extracorporeal shockwave lithotripsy

Lower calyceal and renal pelvic stones in preschool children: A comparative study of mini‐percutaneous nephrolithotomy versus extracorporeal shockwave lithotripsy

Should Flexible Ureterorenoscopy be the First-line Treatment Option for Renal Calculi?

Management of Stone Diseases in the Special Patient Population

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