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The development of a risk assessment tool for patients with postoperative pneumonia after gastrectomy for gastric cancer.
Journal of Gastrointestinal Surgery 2024 April
BACKGROUND: Although frail patients are known to experience increased postoperative complications, this is unclear for postoperative pneumonia (POP). We investigated associations between frailty and POP in patients with gastric cancer (GC) undergoing gastrectomy.
METHODS: In this prospective study conducted between August 2016 and December 2022, we preoperatively assessed frailty in 341 patients with GC undergoing gastrectomy using a frailty index (FI). Patients were divided into high FI vs low FI groups to examine frailty and pneumonia rates after gastrectomy for GC.
RESULTS: Of 327 patients, 18 (5.5%) experienced POP after gastrectomy. Multivariate analyses showed that a high FI and total or proximal gastrectomy (TG/PG) were independent risk factors for POP (high FI: odds ratio [OR], 5.00; 95% CI, 1.77-15.54; TG/PG: OR, 3.07; 95% CI, 1.09-8.78). The proportion of patients with POP was 2.4% in those with nonhigh FI and non-TG/PG, 5.3% in those with nonhigh FI and TG/PG, 7.1% in those with high FI and non-TG/PG, and 28.0% in those with high FI and TG/PG (P < .001). The area under the receiver operating characteristic curve for this risk assessment for predicting POP was 0.740.
CONCLUSION: In patients with GC undergoing gastrectomy, POP was independently associated with preoperatively high FI and TG/PG. Our simple POP risk assessment method, which combines these factors, may effectively predict and prepare patients for POP.
METHODS: In this prospective study conducted between August 2016 and December 2022, we preoperatively assessed frailty in 341 patients with GC undergoing gastrectomy using a frailty index (FI). Patients were divided into high FI vs low FI groups to examine frailty and pneumonia rates after gastrectomy for GC.
RESULTS: Of 327 patients, 18 (5.5%) experienced POP after gastrectomy. Multivariate analyses showed that a high FI and total or proximal gastrectomy (TG/PG) were independent risk factors for POP (high FI: odds ratio [OR], 5.00; 95% CI, 1.77-15.54; TG/PG: OR, 3.07; 95% CI, 1.09-8.78). The proportion of patients with POP was 2.4% in those with nonhigh FI and non-TG/PG, 5.3% in those with nonhigh FI and TG/PG, 7.1% in those with high FI and non-TG/PG, and 28.0% in those with high FI and TG/PG (P < .001). The area under the receiver operating characteristic curve for this risk assessment for predicting POP was 0.740.
CONCLUSION: In patients with GC undergoing gastrectomy, POP was independently associated with preoperatively high FI and TG/PG. Our simple POP risk assessment method, which combines these factors, may effectively predict and prepare patients for POP.
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