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Postoperative pneumonia in the acute phase is an important prognostic factor in patients with esophageal cancer.
Surgery 2021 April 30
BACKGROUND: The impact of pneumonia on prognosis is controversial, and no report has focused on its onset. This study aimed to examine the impact of pneumonia according to its onset on prognosis and its associated risk factors after esophagectomy.
METHODS: In total, 484 patients who underwent curative resection for esophageal squamous cell carcinoma were retrospectively reviewed. Patients with pneumonia were divided into two groups by the date of onset: pneumonia in the acute phase within 7 days after surgery (n = 59) and pneumonia in the subacute phase 8 days after surgery (n = 49).
RESULTS: The disease-free survival of patients with acute pneumonia was significantly lower than that of those without pneumonia (P = .0002), whereas the disease-free survival of patients with subacute pneumonia was similar to that of patients without pneumonia (P = .5363). In multivariate analysis for disease-free survival, P-stage III to IV (hazard ratio [HR], 3.344; P < .0001), transfusion (HR, 1.4078; P = .0291), and acute pneumonia (HR, 1.8463; P = .0009) were independent prognostic factors. Multivariate analysis revealed that age >75 years (odds ratio [OR], 2.1746; P = .0232), respiratory disease comorbidity (OR, 4.3869; P = .0002), cT3-4 (OR, 2.0143; P = .0477), extended surgery duration (OR, 2.3406; P = .0152), and posterior mediastinal reconstruction (OR, 0.1432; P = .0439) were independent risk factors for acute pneumonia.
CONCLUSION: Post-esophagectomy pneumonia in the acute phase was an independent prognostic factor, whereas advanced age, respiratory disease comorbidity, and extended surgery duration were risk factors for acute pneumonia.
METHODS: In total, 484 patients who underwent curative resection for esophageal squamous cell carcinoma were retrospectively reviewed. Patients with pneumonia were divided into two groups by the date of onset: pneumonia in the acute phase within 7 days after surgery (n = 59) and pneumonia in the subacute phase 8 days after surgery (n = 49).
RESULTS: The disease-free survival of patients with acute pneumonia was significantly lower than that of those without pneumonia (P = .0002), whereas the disease-free survival of patients with subacute pneumonia was similar to that of patients without pneumonia (P = .5363). In multivariate analysis for disease-free survival, P-stage III to IV (hazard ratio [HR], 3.344; P < .0001), transfusion (HR, 1.4078; P = .0291), and acute pneumonia (HR, 1.8463; P = .0009) were independent prognostic factors. Multivariate analysis revealed that age >75 years (odds ratio [OR], 2.1746; P = .0232), respiratory disease comorbidity (OR, 4.3869; P = .0002), cT3-4 (OR, 2.0143; P = .0477), extended surgery duration (OR, 2.3406; P = .0152), and posterior mediastinal reconstruction (OR, 0.1432; P = .0439) were independent risk factors for acute pneumonia.
CONCLUSION: Post-esophagectomy pneumonia in the acute phase was an independent prognostic factor, whereas advanced age, respiratory disease comorbidity, and extended surgery duration were risk factors for acute pneumonia.
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