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Randomized Controlled Trial
. 2024 Dec 27;24(1):285.
doi: 10.1186/s12894-024-01678-3.

The application of new type ureteroscope and traditional linear ureteroscope in ureteric stone patients

Xin Tong  1   2 , Meiyuan Chen  1   2 , Xiangyu Wang  1   2 , Wei Han  1   2 , Dongxing Zhang  1   2 , Jing Xiao  3   4 , Ye Tian  5   6
Affiliations
Randomized Controlled Trial

The application of new type ureteroscope and traditional linear ureteroscope in ureteric stone patients

Xin Tong et al. BMC Urol. .

Abstract

Objective: A ureteric stone is a type of urinary tract stone that is found within the ureter. While most cases can be managed with conservative treatment or minimally invasive surgery, these methods often cause significant pain for the patient. Interestingly, a new type of ureteroscope has shown considerable promise in treating patients with ureteric stones, and this study aims to explore its clinical application.

Methods: A total of 120 patients with ureteric stones were recruited from our hospitals between January 1, 2023, and December 31, 2023. These patients were randomly assigned to either the control group, which received the traditional straight ureteroscope, or the experimental group, which was treated with the new type of ureteroscope. Both groups provided general data and blood samples for further analysis. A logistic regression analysis was conducted to examine the factors influencing infection following surgery in patients with ureteric stones, including preoperative CRP greater than 8 mg/L, postoperative CRP greater than 8 mg/L, preoperative white blood cell count (> 109/L), postoperative white blood cell count (> 109/L), preoperative urinalysis count greater than 28 (/ul), postoperative urinalysis count greater than 28 (/ul), and urine routine leukocyte count.

Results: The findings indicated no significant differences between the observation group and the control group regarding preoperative demographic, participants general data (P > 0.05). Postoperative CRP > 8 mg/L, white blood cell count > 10 × 109/L, urinalysis count > 28/µL, and urine leukocyte count significantly decreased in the experimental group compared to the control group (P < 0.05). Binary logistic regression showed that postoperative CRP > 8 mg/L (OR = 7.03), white blood cell count > 109/L (OR = 3.86), urinalysis count > 28/µL (OR = 2.83), and urine leukocyte count (OR = 1.004) were predictive factors for ureteric stones. Preoperative values showed no significant difference (P > 0.05).

Conclusions: The binary logistic regression analysis identified Postoperative CRP > 8 mg/L, white blood cell count > 10 × 109/L, urinalysis count > 28/µL, and urine leukocyte count as significant predictors of postoperative infections. Our research findings indicate that the new ureteroscope has significant advantages over traditional ureteroscopes in terms of ease of entry into the ureteral lumen, stone fragmentation angle during surgery, surgical field of view, surgical operability, and reducing the risk of postoperative potential infections. These characteristics demonstrate that the new ureteroscope has significant potential in clinical applications, warranting further promotion and use.

Keywords: CRP elevated greater than 8; New type ureteroscope; The traditional straight ureteroscope; Ureteric stone; Urine leukocyte counts.

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Conflict of interest statement

Declarations. Ethics approval and consent to participate: The ethic approval was reviewed and approved from The Beijing Friendship Hospital, Capital Medical University and informed written consent from all of the patients. Clinical trial number: Not applicable. Consent for publish: All of the authors have consented to publish this research. Competing interests: The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
A-C. The new ureteroscope: A shows the bend design of the new hard ureteroscope from a top view of the right ureteroscope, with the left ureteroscope having a symmetrical mirror structure. B shows the upper bending design of the new hard ureteroscope from a side view. C shows the left ureteroscope in reality, with the right ureteroscope having the opposite configuration
Fig. 2
Fig. 2
Comparison between the new ureteroscope and the traditional linear ureteroscope
See this image and copyright information in PMC

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