Key result
Emergency surgery, preoperative anemia, and intraoperative blood loss >500 mL linked to postoperative complications.
Why the study?
Surgical outcomes and complications in geriatric patients aged ≥ 80 years may be affected by their increased number of underlying diseases, necessitating evaluation of risk factors and effects on hospital stay.
What are the risk factors for postoperative complications and prolonged hospital stay in geriatric patients (aged ≥ 80 years) undergoing noncardiac surgery?
Observational (n=404)
What are the risk factors for postoperative complications and prolonged hospital stay in geriatric patients (aged ≥ 80 years) undergoing noncardiac surgery?
In geriatric patients aged ≥80 years undergoing noncardiac surgery, specific perioperative risk factors such as emergency surgery, anemia, and intraoperative hypothermia significantly increase the risk of postoperative complications and prolong hospital stay.
May aid risk stratification in octogenarian noncardiac surgery; leaves open whether modifying factors reduces complications.
BACKGROUND: Surgical outcomes and complications in geriatric patients may be affected due to their increased number of underlying diseases. This study was conducted to evaluate the risk factors for postoperative complications and their effects on hospital stay in geriatric surgical patients (aged ≥ 80 years). METHODS: A total of 404 geriatric patients (aged ≥ 80 years) who underwent noncardiac surgery were enrolled in this study. Their preoperative, perioperative, and postoperative data were collected and subjected to univariate and multivariate analyses to calculate the odds ratio of risk factors. The risk of discharge was analyzed by calculating the hazard ratio to evaluate their relationship with postoperative complications. RESULTS: Approximately three-fourths (76.0%) of the patients had hypertension preoperatively, and 5.9% of them developed at least one postoperative complication. Respiratory disorders were the most frequent postoperative complications. Multivariate analysis revealed emergency surgery, preoperative renal diseases, preoperative anemia, and nonextubation as risk factors for postoperative respiratory complications. Intraoperative estimated blood loss of ＞ 500 mL and intraoperative low blood pressure were identified as risk factors for postoperative neurological complications. Intraoperative hypothermia was found to be a risk factor for postoperative renal complications. Postoperative respiratory complications, postoperative neurological complications, and infection statistically significantly prolonged the length of hospital stay. The in-hospital mortality rate was 1.0%. CONCLUSION: Patients aged ≥ 80 years under certain conditions need more attention to prevent the development of different types of postoperative complications. Those who did develop postoperative respiratory complications, postoperative neurological complications, and infection might require prolonged hospitalization. Physicians must pay more attention preoperatively to the risk factors that increase postoperative complications.
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Chung et al. (2021) conducted an observational in Geriatric patients undergoing noncardiac surgery (n=404). Preoperative and intraoperative risk factors was evaluated on Postoperative complications and length of hospital stay. Risk factors including emergency surgery, preoperative anemia, and intraoperative blood loss >500 mL were associated with postoperative complications, which occurred in 5.9% of patients.
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