BACKGROUND Colorectal cancer(CRC)resection is currently being undertaken in an increasing number of obese patients.Existing studies have yet to reach a consensus as to whether obesity affects post-operative outcomes f...BACKGROUND Colorectal cancer(CRC)resection is currently being undertaken in an increasing number of obese patients.Existing studies have yet to reach a consensus as to whether obesity affects post-operative outcomes following CRC surgery.AIM To evaluate the post-operative outcomes of obese patients following CRC resection,as well as to determine the post-operative outcomes of obese patients in the subgroup undergoing laparoscopic surgery.METHODS Six-hundred and fifteen CRC patients who underwent surgery at the Prince Charles Hospital between January 2010 and December 2020 were categorized into two groups based on body mass index(BMI):Obese[BMI≥30,n=182(29.6%)]and non-obese[BMI<30,n=433(70.4%)].Demographics,comorbidities,surgical features,and post-operative outcomes were compared between both groups.Postoperative outcomes were also compared between both groups in the subgroup of patients undergoing laparoscopic surgery[n=472:BMI≥30,n=136(28.8%);BMI<30,n=336(71.2%)].RESULTS Obese patients had a higher burden of cardiac(73.1%vs 56.8%;P<0.001)and respiratory comorbidities(37.4%vs 26.8%;P=0.01).Obese patients were also more likely to undergo conversion to an open procedure(12.8%vs 5.1%;P=0.002),but did not experience more postoperative complications(51.6%vs 44.1%;P=0.06)or high-grade complications(19.2%vs 14.1%;P=0.11).In the laparoscopic subgroup,however,obesity was associated with a higher prevalence of post-operative complications(47.8%vs 39.3%;P=0.05)but not high-grade complications(17.6%vs 11.0%;P=0.07).CONCLUSION Surgical resection of CRC in obese individuals is safe.A higher prevalence of post-operative complications in obese patients appears to only be in the context of laparoscopic surgery.展开更多
文摘BACKGROUND Colorectal cancer(CRC)resection is currently being undertaken in an increasing number of obese patients.Existing studies have yet to reach a consensus as to whether obesity affects post-operative outcomes following CRC surgery.AIM To evaluate the post-operative outcomes of obese patients following CRC resection,as well as to determine the post-operative outcomes of obese patients in the subgroup undergoing laparoscopic surgery.METHODS Six-hundred and fifteen CRC patients who underwent surgery at the Prince Charles Hospital between January 2010 and December 2020 were categorized into two groups based on body mass index(BMI):Obese[BMI≥30,n=182(29.6%)]and non-obese[BMI<30,n=433(70.4%)].Demographics,comorbidities,surgical features,and post-operative outcomes were compared between both groups.Postoperative outcomes were also compared between both groups in the subgroup of patients undergoing laparoscopic surgery[n=472:BMI≥30,n=136(28.8%);BMI<30,n=336(71.2%)].RESULTS Obese patients had a higher burden of cardiac(73.1%vs 56.8%;P<0.001)and respiratory comorbidities(37.4%vs 26.8%;P=0.01).Obese patients were also more likely to undergo conversion to an open procedure(12.8%vs 5.1%;P=0.002),but did not experience more postoperative complications(51.6%vs 44.1%;P=0.06)or high-grade complications(19.2%vs 14.1%;P=0.11).In the laparoscopic subgroup,however,obesity was associated with a higher prevalence of post-operative complications(47.8%vs 39.3%;P=0.05)but not high-grade complications(17.6%vs 11.0%;P=0.07).CONCLUSION Surgical resection of CRC in obese individuals is safe.A higher prevalence of post-operative complications in obese patients appears to only be in the context of laparoscopic surgery.
