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    Combining ultrasonography and noncontrast helical computerized tomography to evaluate Holmium laser lithotripsy

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    Author
    Mi, Jia; Li, Jie; Zhang, Qinglu; Wang, Xing; Liu, Hongyu; Cao, Yanlu; Liu, Xiaoyan; Sun, Xiao; Shang, Mengmeng; Liu, Qing
    Abstract
    The purpose of the study was to establish a mathematical model for correlating the combination of ultrasonography and noncontrast helical computerized tomography (NCHCT) with the total energy of Holmium laser lithotripsy. In this study, from March 2013 to February 2014, 180 patients with single urinary calculus were examined using ultrasonography and NCHCT before Holmium laser lithotripsy. The calculus location and size, acoustic shadowing (AS) level, twinkling artifact intensity (TAI), and CT value were all documented. The total energy of lithotripsy (TEL) and the calculus composition were also recorded postoperatively. Data were analyzed using Spearman’s rank correlation coefficient, with the SPSS 17.0 software package. Multiple linear regression was also used for further statistical analysis. A significant difference in the TEL was observed between renal calculi and ureteral calculi (r = –0.565, P < 0.001), and there was a strong correlation between the calculus size and the TEL (r = 0.675, P < 0.001). The difference in the TEL between the calculi with and without AS was highly significant (r = 0.325, P < 0.001). The CT value of the calculi was significantly correlated with the TEL (r = 0.386, P<0.001). A correlation between the TAI and TEL was also observed (r=0.391, P<0.001). Multiple linear regression analysis revealed that the location, size, and TAI of the calculi were related to the TEL, and the location and size were statistically significant predictors (adjusted r2=0.498, P<0.001). A mathematical model correlating the combination of ultrasonography and NCHCT with TEL was established; this model may provide a foundation to guide the use of energy in Holmium laser lithotripsy. The TEL can be estimated by the location, size, and TAI of the calculus.
    URI
    http://hdl.handle.net/10342/8414
    Date
    2016-11-14
    Citation:
    APA:
    Mi, Jia, & Li, Jie, & Zhang, Qinglu, & Wang, Xing, & Liu, Hongyu, & Cao, Yanlu, & Liu, Xiaoyan, & Sun, Xiao, & Shang, Mengmeng, & Liu, Qing. (November 2016). Combining ultrasonography and noncontrast helical computerized tomography to evaluate Holmium laser lithotripsy. , (), - . Retrieved from http://hdl.handle.net/10342/8414

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    MLA:
    Mi, Jia, and Li, Jie, and Zhang, Qinglu, and Wang, Xing, and Liu, Hongyu, and Cao, Yanlu, and Liu, Xiaoyan, and Sun, Xiao, and Shang, Mengmeng, and Liu, Qing. "Combining ultrasonography and noncontrast helical computerized tomography to evaluate Holmium laser lithotripsy". . . (), November 2016. October 03, 2023. http://hdl.handle.net/10342/8414.
    Chicago:
    Mi, Jia and Li, Jie and Zhang, Qinglu and Wang, Xing and Liu, Hongyu and Cao, Yanlu and Liu, Xiaoyan and Sun, Xiao and Shang, Mengmeng and Liu, Qing, "Combining ultrasonography and noncontrast helical computerized tomography to evaluate Holmium laser lithotripsy," , no. (November 2016), http://hdl.handle.net/10342/8414 (accessed October 03, 2023).
    AMA:
    Mi, Jia, Li, Jie, Zhang, Qinglu, Wang, Xing, Liu, Hongyu, Cao, Yanlu, Liu, Xiaoyan, Sun, Xiao, Shang, Mengmeng, Liu, Qing. Combining ultrasonography and noncontrast helical computerized tomography to evaluate Holmium laser lithotripsy. . November 2016; (): . http://hdl.handle.net/10342/8414. Accessed October 03, 2023.
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