This systematic review and meta-analysis explores the clinical and patient-specific factors contributing to increased morbidity and mortality following iatrogenic colonic perforation (ICP) during routine colonoscopy. A comprehensive search of Scopus, PubMed (Medline), Embase, and Google Scholar was conducted, reviewing studies published between 2010 and 2024. Data were synthesized through thematic analysis for qualitative data and meta-analysis for quantitative outcomes. This study found the overall perforation rate during colonoscopy to be between 0.019% and 0.66%. The average age of patients was 68.91 years. The mortality rate was approximately 11%. Older patients had a higher risk of perforation and an increased mortality rate. Therapeutic colonoscopy carries a significantly higher risk of perforation compared to diagnostic colonoscopy. Diagnostic colonoscopies were more likely to cause larger perforations, which, in turn, carry greater morbidity than smaller perforations. The most common sites of perforation are the sigmoid colon and the rectosigmoid junction. The leading causes of perforation include diverticulitis, malignancy, abnormal sigmoid anatomy, and inflammatory bowel disease. About half of the perforations were discovered during or immediately after the procedure. The most common surgical interventions were resection with primary anastomosis and Hartmann's procedure. Operators with limited experience were more likely to cause perforations and experience delayed recognition of the issue. The results suggest that both clinical and patient-specific factors play critical roles in determining outcomes for patients experiencing ICP during routine colonoscopy. Early detection, timely intervention, and operator experience are key to improving patient survival and reducing complications. Furthermore, the study highlights the need for ongoing research to refine patient selection criteria and enhance postoperative care protocols, particularly for high-risk populations such as the elderly and those with significant comorbidities. This review underscores the importance of heightened vigilance in colonoscopy procedures, especially among vulnerable populations. Future research should focus on improving diagnostic protocols and treatment strategies to minimize the risks associated with ICP and enhance patient safety in routine colonoscopy practices.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11625968PMC
http://dx.doi.org/10.7759/cureus.73302DOI Listing

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