Efficacy and Predictive Factors of the Outcome of Extracorporeal Shock Wave Lithotripsy: A Review of One-thousand-nine-hundred-ninety- seven Patients

Kocakgol, Huseyin; Yılmaz, Ali Haydar; Yapanoğlu, Turgut; Özkaya, Fatih; Sekerci, Cagri Akin; Bedir, Fevzi; Kocatürk, Hüseyin; Tanıdır, Yılören

doi:10.4274/jus.galenos.2019.2562

Cited by 2 publications

(4 citation statements)

References 17 publications

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“…Various studies have reported a higher clearance rate for smaller stones after ESWL, and it decreases gradually with the increase in size and density. 10,[15][16][17] Studies have shown that stone disintegration occurs better when the focal diameter of the shock-wave generator is larger than the stone size. This is because the mechanism of stone fragmentation depends on various factors like squeezing or circumferential quasistatic compression, the Hopkinson effect, shear force, and cavitation.…”

Section: Discussionmentioning

confidence: 99%

Outcome of extracorporeal shock wave lithotripsy for renal and upper ureteric stone clearance

Regmi

Adhikari

Chapagain

et al. 2022

J Patan Acad Health Sci

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Introduction: Extracorporeal shockwave lithotripsy (ESWL) is a day care, less invasive procedure not requiring anesthesia for the treatment of renal and ureteric stones. Method: This was a cross sectional study of retrospectively collected data on ESWL during May 2018 to January 2020 at the department of Urology, Bir Hospital, National Academy of Medical Sciences (NAMS), Nepal. The data on ESWL for renal and upper ureteric stone up to the size of 20 mm were included. Stone clearance was defined as stone fragment <4 mm on kidney ureter bladder (KUB) X-ray or ultrasonography (USG) during follow up at 1 - 3 mo. Ethical approval was obtained from NAMS ethical committee. Microsoft Excel was used for descriptive analysis of age, gender, stone size, density, location, hydronephrosis, and clearance. A Chi square test was used for association, and a p-value <0.05 considered statistically significant. Result: Out of 79 cases, overall stone clearance was 48(60.8%), 100% for <10 mm (14/14) and density <500 HU (5/5), and 80% for upper ureteric stone (4/5) and 74.1% for those without hydronephrosis (20/27). Patients in age group of 20-39 y accounted for 48(60.8%), males 52(65.8%), 52(65%) had 10-15 mm stones, 46(58.2%) in pelvis, 48(60.8%) density of 751-1000 HU, and mild hydronephrosis present in 44(55.7%). Conclusion: Stone clearance were highest (100%) for small stone <10 mm size and low density <500 HU. The stone clearance rate decreased as the size, density, and hydronephrosis increased.

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Section: Discussionmentioning

confidence: 99%

Outcome of extracorporeal shock wave lithotripsy for renal and upper ureteric stone clearance

Regmi

Adhikari

Chapagain

et al. 2022

J Patan Acad Health Sci

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“…Shock wave lithotripsy (SWL), flexible ureterorenoscopy, and percutaneous nephrolithotomy are the treatment options offered by the recent guidelines for the treatment of patients with kidney stones (2)(3)(4). As SWL is an effective, non-invasive treatment that can be applied without general anesthesia, it remains a current treatment option (5)(6)(7). Although many predictive factors of the success of SWL, such as urinary tract anatomy, severity of concomitant obstruction, body mass index (BMI), stone size, stone density, stone to skin distance and type of SWL device Summary regression analysis.…”

Section: Introductionmentioning

confidence: 99%

“…

used have been identified, the results regarding the effect of age are contradictory (6)(7)(8)(9). The purpose of this study was to evaluate the efficacy and safety of SWL treatment in elderly patients with kidney stones.

MATERIALS AND METHODSData from 3024 consecutive patients who underwent SWL treatment for urinary tract stone disease since 2003, in three centers of our university, were evaluated retrospectively.

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confidence: 99%

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Clinical results of shock wave lithotripsy treatment in elderly patients with kidney stones: Results of 1433 patients

Özer

Tekin

2020

Arch Ital Urol Androl

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Objective: In this study, it was aimed to evaluate the efficacy and safety of SWL treatment in elderly patients with kidney stones. Materials and methods: Data from a total of 3024 patients who underwent SWL treatment for urinary tract stone disease in three centers of our university were evaluated retrospectively. A total of 1433 patients in the adult age group treated for single kidney stones were included in the study. The patients were divided into 3 groups (18-40, 41-64 and ≥ 65) years depending on their age. Demographic data, stone parameters, stone-free rate (SFR) and clinically insignificant residual fragment (CIRF) rate, number of SWL sessions and complication rate were analyzed according to the age groups. Results: The mean age of the patients was 47.38 ± 13.24 years. Stone size was significantly lower in the 18-40 years age group compared to other groups (p = 0.000) and the stones were mostly located on the right side in this age group (p = 0.007). There was no significant relationship between age groups and gender, stone localization, and number of SWL sessions. The overall SFR was 66.4%. Although the SFR was lower (61.4%) and the rate of multiple sessions (27.2%) was higher in ≥ 65 years group, there was no statistically significant difference between age groups regarding SFR, CIRF, need for additional sessions, and complication rates. Conclusions: Due to its similar clinical results, treatment of SWL should not be ignored as a treatment option in the geriatric patient group with kidney stones.

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Efficacy and Predictive Factors of the Outcome of Extracorporeal Shock Wave Lithotripsy: A Review of One-thousand-nine-hundred-ninety- seven Patients

Cited by 2 publications

References 17 publications

Outcome of extracorporeal shock wave lithotripsy for renal and upper ureteric stone clearance

Outcome of extracorporeal shock wave lithotripsy for renal and upper ureteric stone clearance

Clinical results of shock wave lithotripsy treatment in elderly patients with kidney stones: Results of 1433 patients

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