SWL literature
SWL Literature

Chen JX. et al., 2020: [Clinical study on the treatment of calculous renal colic through external physical vibration lithecbole under different position]

Chen JX, Wang CY.
Department of Urology, Jiangshan People's Hospital/Jiangshan Branch of Sir Run Run Shaw Hospital of Zhejiang University, Jiangshan 324100, China.

Abstract

Objective: To observe the clinical efficacy of external physical vibration lithecbole (EPVL) in the treatment of calculous renal colic under different positions.

Method: A total of 120 calculous renal colic patients who underwent EPVL from September 2018 to September 2019, were randomly divided into three groups utilizing random number table: supine position group, the lateral position group and the hybrid position group, with 40 cases in each group. Prior to the EPVL, each patient was given an intravenous injection of 20 mg furosemide. When the patients accumulated enough urine, they began to undergo EPVL. Numeric Rating Scale (NRS) was applied to assess the pain intensity before and after the treatment. Furthermore, all the patients were examined by B-ultrasound or urinary CT a day and a week after the treatment. The NRS score, side effects, stone discharge rate, time of pain relief, and pain recurrence rate were compared among different groups.

Results: Prior to the treatment, there was no significant difference of the pain intensity among three groups (P>0.05). After the treatment, the pain intensity considerably alleviated in all the groups. The NRS score decreased by 4.05±0.24, 3.23±0.23 and 2.90±0.21 in supine, lateral and hybrid position groups, respectively. The time of pain relief was (8.88±0.46) min, (10.33±0.44) min and (10.38±0.50) min in supine, lateral and hybrid position groups, respectively. Overall, the efficacy of lateral position group was better than the other two groups in terms of speed and degree of pain relief (P< 0.05). The total pain relief rate was 91.7%. However, the pain recurrence rate was 15.0% (6/40), 15.0% (6/40) and 12.5% (5/40) in supine, lateral and hybrid position groups, respectively, however, there was no significant difference among three groups (P>0.05). But the hybrid position group had a relatively low rate of pain recurrence. The aggregate stone discharge rate of three groups was 25.8% and 62.5% a day and a week after the treatment respectively. The calculus clearance rate of surgical day was 22.5% (9/40), 35% (14/40) and 20% (8/40) in supine, lateral and hybrid position groups, respectively. Moreover, the stone removal rate was 60% (24/40), 75% (30/40) and 52.5% (21/40) in supine, lateral and hybrid position groups, respectively. The result indicated that the supine position group had the highest stone discharge rate (P<0.05). Overall, there was no case with severe complications, and there was no significant difference of side effects among three groups (P>0.05).

Conclusion: EPVL can safely and effectively improve calculous renal colic and assist the removal of stone. When calculous renal colic was treated under EPVL, the patients can benefit from all three positions, and thus it is crucial to decide which position is more appropriate in different scenarios.
Zhonghua Yi Xue Za Zhi. 2020 Aug 25;100(32):2494-2497. doi: 10.3760/cma.j.cn112137-20191216-02742.

Article in Chinese. 

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