期刊
SPINAL CORD
卷 42, 期 11, 页码 638-642出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/sj.sc.3101646
关键词
intermittent catheterization; urethral catheter; spinal cord injury
Study Design: Study of reusable catheter. Objective: To investigate whether a silicone cathether reused over years for clean intermittent catheterization (CIC) was safe for spinal cord injured (SCI) men. Setting: Maharaj Hospital, Chiang Mai, Thailand. Method: A cross-sectional study was obtained from SCI men who had used CIC with a reusable silicone catheter for more than a year. Demographic data, urological management and urinary tract complications focusing on the radiologic status of the urethra were reviewed and analyzed. In addition, two reused and one new catheters were studied under electron microscope for catheter morphology ( surface and lumen) and stiffness. Results: There were 28 SCI men included in this study. The average duration of CIC use was 4.8 years and the average time of usage for each catheter was 3 years (range 1-7 years). In all, 26 men previously used indwelling catheterization ( ID) during the acute phase. In all, 23 men performed self-catheterization. Regarding urinary complications, three reported urethral bleeding, five had episodes of pus per urethra, five had epididymitis, four had passing stones, 18 had occasional foul smelly urine, 10 developed fever and cloudy urine during the past year. Of 17 patients who had ultrasonography done, four had pathologic findings in kidney and one had bladder calculi. Demographic data, urinary management and complications did not have significant relation to the abnormality of the urethrogram or urinary tract infection. However, where the frequency of CIC was higher, the abnormality of the urethra was lower (P<0.05). All had serum Cr level <= 1.3 mg/dl. Electron microscopic findings of reused catheters for 2 years revealed encrustation but no obstruction in the lumens and 20% increase in stiffness. Conclusion: The clinical outcome, especially with regard to urethral abnormalities with this reusable silicone catheter is as good as with a disposable one. However, to reuse urinary catheters, one should consider the increasing risk of infection. For SCI patients in developing countries, CIC with a reusable silicone catheter may be a suitable and safe choice if one cleans and applies it properly to reduce infection. In order to answer the question how long a person in a developing country should use the same silicone catheter, further research should be conducted.
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