Key result
Age ≥80 years linked to more postoperative pneumonia and urinary disorders after colorectal surgery.
Why the study?
What are the perioperative risk factors for postoperative complications in patients aged ≥ 80 years undergoing colorectal surgery?
Cohort (n=2,072)
Yes
What are the perioperative risk factors for postoperative complications in patients aged ≥ 80 years undergoing colorectal surgery?
In patients aged ≥ 80 years undergoing colorectal surgery, postoperative pneumonia and urinary complications are more frequent, and minimally invasive approaches may reduce these risks.
Elderly colorectal surgery patients face higher pneumonia and urinary risks; leaves open whether targeting male sex, ASA-PS ≥3, and bleeding improves outcomes.
PURPOSE: To identify the perioperative risk factors for postoperative complications in patients aged ≥ 80 years. METHODS: We retrospectively analyzed 2,072 consecutive patients who underwent colorectal surgery at seven institutions between January 2021 and December 2023 and compared the perioperative outcomes between patients aged ≥ 80 (n = 464) and ≤ 79 years (n = 1,608). RESULTS: Patients aged ≥ 80 years had an American Society of Anesthesiologists Physical Status (ASA-PS) score of ≥ 3 (P < 0.0001) and more comorbidities. Minimally invasive surgery was performed less frequently (P < 0.0001), with a shorter surgical duration (P = 0.0003) and greater intraoperative bleeding (P = 0.04). Postoperative pneumonia (P = 0.0005) and urinary disorder complications after rectal surgery (P = 0.03) were more frequent in patients aged ≥ 80 years. A multivariate analysis identified male sex (P = 0.02), ASA-PS ≥ 3 (P = 0.005), and intraoperative bleeding (P = 0.02) as independent risk factors for pneumonia. Intraoperative bleeding (P = 0.002) and anastomosis (P = 0.03) were significant risk factors for urinary disorders after rectal surgery. Minimally invasive surgery in older adults resulted in a longer surgical duration (P < 0.0001), less bleeding (P < 0.0001), and fewer complications than conventional surgery. CONCLUSION: Postoperative pneumonia and urinary complications after rectal surgery are common in older adult patients. Minimally invasive approaches may reduce the risk of complications.
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Hasuda et al. (2026) conducted a cohort in Colorectal surgery (n=2,072). Age ≥ 80 years vs. Age ≤ 79 years was evaluated on Postoperative pneumonia (p=0.0005). Patients aged ≥80 years undergoing colorectal surgery had a higher frequency of postoperative pneumonia (P=0.0005) and urinary disorders after rectal surgery (P=0.03) than younger patients.
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