Sanjay Shinde1, Younis Al Balushi1, Medhat Hossny1, Sachin Jose2, Salma Al Busaidy3. 1. Urology Department, Armed Forces Hospital, Muscat, Oman. 2. Planning and Studies Department, Oman Medical Specialty Board, Muscat, Oman. 3. Lithotripsy Unit, Armed Forces Hospital, Muscat, Oman.
Abstract
OBJECTIVES: We sought to evaluate the factors affecting the outcome of extracorporeal shockwave lithotripsy (ESWL) in urinary stone treatment. METHODS: We conducted a retrospective review of 235 adult patients treated with ESWL, for radiopaque renal or ureteric stones between January 2015 and December 2016. Patient's age, sex, stone size, laterality, location, density, skin-to-stone distance (SSD), and presence of double J stent were studied as potential predictors. At the end of three months, the patients were divided into success and failure groups and the significance was determined. RESULTS: Of the 235 patients (188 males and 47 females) analyzed, ESWL was successful in 79.1%. Univariate analysis of both groups revealed no significant difference in patient's age and stone laterality. Statistically significant differences in gender, stone size, stone site, stone density, SSD, and patients with stents were observed. Statistically significant factors in multivariate logistic regression analysis were sex and stent. Females had three-times higher risk for ESWL failure than males (odds ratio (OR) = 3.213; 95% confidence interval (CI): 1.194-8.645; p = 0.021) and a higher failure rate when a stent was used (OR = 6.358; 95% CI: 2.228-18.143; p = 0.001). CONCLUSIONS: This study revealed that ESWL can treat renal and ureteric stones successfully with an inverse association between outcome and predictors such as stone size and density, SSD, and stent presence. These factors can help us in improving patient selection and ensure better results at lower cost.
OBJECTIVES: We sought to evaluate the factors affecting the outcome of extracorporeal shockwave lithotripsy (ESWL) in urinary stone treatment. METHODS: We conducted a retrospective review of 235 adult patients treated with ESWL, for radiopaque renal or ureteric stones between January 2015 and December 2016. Patient's age, sex, stone size, laterality, location, density, skin-to-stone distance (SSD), and presence of double J stent were studied as potential predictors. At the end of three months, the patients were divided into success and failure groups and the significance was determined. RESULTS: Of the 235 patients (188 males and 47 females) analyzed, ESWL was successful in 79.1%. Univariate analysis of both groups revealed no significant difference in patient's age and stone laterality. Statistically significant differences in gender, stone size, stone site, stone density, SSD, and patients with stents were observed. Statistically significant factors in multivariate logistic regression analysis were sex and stent. Females had three-times higher risk for ESWL failure than males (odds ratio (OR) = 3.213; 95% confidence interval (CI): 1.194-8.645; p = 0.021) and a higher failure rate when a stent was used (OR = 6.358; 95% CI: 2.228-18.143; p = 0.001). CONCLUSIONS: This study revealed that ESWL can treat renal and ureteric stones successfully with an inverse association between outcome and predictors such as stone size and density, SSD, and stent presence. These factors can help us in improving patient selection and ensure better results at lower cost.
Authors: Mohammed S Al-Marhoon; Omar Shareef; Ismail S Al-Habsi; Ataalrahman S Al Balushi; Josephkunju Mathew; Krishna P Venkiteswaran Journal: Oman Med J Date: 2013-07
Authors: Mohammad Al-Zubi; Ammar Al Sleibi; Basel Mazen Elayan; Subhi Zahi Al-Issawi; Morad Bani-Hani; Adel Alsharei; Jad AlSmadi; Saleh Abualhaj; Ala' Y Ibrahim Journal: Ann Med Surg (Lond) Date: 2021-09-10
Authors: Marius Snicorius; Arnas Bakavicius; Albertas Cekauskas; Marius Miglinas; Gediminas Platkevicius; Arunas Zelvys Journal: Wideochir Inne Tech Maloinwazyjne Date: 2021-02-24 Impact factor: 1.195