Effectiveness of common disinfectants for postoperative pin tract maintenance of children with supracondylar humeral fractures
OBJECTIVE To compare the efficacy of commonly used clinical antiseptics(iodophor,alcohol,and chlo-rhexidine)and normal saline for the management of the pin tract after closed reduction percutaneous pinning sur-gery of supracondylar humeral fractures in children.METHODS Seventy-seven children with supracondylar hume-rus fractures admitted to a tertiary hospital in Beijing from Nov.2022 to Jul.2023 were selected as the study sub-ject,and were randomly divided into iodophor group(n=19),alcohol group(n=19),chlorhexidine group(n=19),and normal saline group(n=20)based on the type of disinfectant used for postoperative pin tract disinfec-tion.The four groups were compared in terms of colony counts and bacterial culture,pin tract infection grading,disinfectant pain degree,and laboratory inflammatory biomarkers,inflammatory markers include white blood cell(WBC),serum amyloid A(SAA),C-reactive protein(CRP),interleukin(IL)-6,and erythrocyte sedimentation rate(ESR).RESULTS The results of colony count in each group showed that normal saline group＞iodophor group＞alcohol group＞chlorhexidine group(P＜0.05);The results of bacterial culture in all four groups were negative;The difference in the grade of pin tract infection among the four groups was not statistically significant;The results of pain grade showed that the alcohol group＞iodophor group＞normal saline group＞chlorhexidine group(P＜0.05);and the difference in CRP among the four groups was statistically significant(P＜0.05).CONCLUSION All three disinfectants used for postoperative pin tract care of supracondylar humerus fractures in children could achieve the effect of preventing infection.Considering the combination of pain,disinfecting effect,and the effect of disinfectant on the wound localization,chlorhexidine was better than the other three,which was more suitable for postoperative pin tract care of fracture in children.Normal saline was also effective in preventing postoperative pin tract infections in supracondylar humerus fractures.
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