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A systematic evaluation was conducted to assess the efficacy of two disinfectants, chlorhexidine and povidone-iodine, as primary components in preventing surgical site infection (SSI). A comprehensive computerised search was performed in the PubMed, EMBASE, Web of Science, Cochrane Library, CNKI and Wanfang databases for randomised controlled trials (RCTs) on chlorhexidine and povidone-iodine disinfection for the prevention of SSI from inception until July 2023. Two independent researchers completed literature screening, data extraction and quality assessment of the included studies. The meta-analysis was conducted using RevMan 5.4 software. Ultimately, 20 RCTs were included, which included 13 133 patients, with 6460 patients in the chlorhexidine group and 6673 patients in the povidone-iodine group. The meta-analysis results revealed that the incidence rate of surgical site wound infections [odds ratio (OR): 0.67, 95% confidence interval (CI): 0.58–0.78, p < 0.001)], superficial SSI rate (OR: 0.59, 95% CI: 0.46–0.75, p < 0.001) and deep SSI rate (OR: 0.49, 95% CI: 0.31–0.79, p = 0.003) were all lower in patients subjected to chlorhexidine disinfection compared to those patients receiving povidone-iodine disinfection. Existing evidence suggests that chlorhexidine is more effective than povidone-iodine at preventing SSI. However, owing to the potential quality limitations of the included studies, further validation through high-quality large-scale RCTs is warranted.
The application of infrared thermography technology (IRT) in flap has become a major focus of research, as it provides a non-invasive, real-time, and quantitative approach for monitoring flap perfusion. In this regard, we conducted a comprehensive visualization and scientometric analysis to systematically summarize and discuss the current state of research in this field. We systematically reviewed publications on the application of IRT in flap procedures from 1999 to 2022, using the Web of Science Core Collection (WoSCC). Through scientometric analysis, we examined annual trends, affiliations, countries, journals, authors, and their relationships, providing insights into current hotspots and future developments in this area. We analysed 522 English studies and found a steady increase in annual publications. The United States and Germany had the highest publication rates, with Beth Israel Deaconess Medical Center and Shanghai Jiaotong University being leading institutions. Notably, Lee BT and Alex Keller emerged as influential authors in this field. Compared to existing techniques, infrared-based technology offers significant advantages for non-invasive monitoring of flap perfusion, including simplicity of operation and objective results. Future trends should focus on interdisciplinary collaborations to develop new infrared devices and achieve intelligent image processing, enabling broader application in various clinical scenarios. This bibliometric study summarizes the progress and landscape of research on ‘the Application of infrared thermography technology in flap’ over the past two decades, providing valuable insights and serving as a reliable reference to drive further advancements and spark researchers' interest in this field.
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