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Prognostic significance of postoperative pneumonia after curative resection for patients with gastric cancer.

ABSTRACT: Few studies have been designed to investigate the incidence of postoperative pneumonia after radical gastrectomy and its effect on prognosis of these patients. Incidences of postoperative pneumonia after radical gastrectomy in our department between January 1996 and December 2014 were summarized. Their effects on prognosis were retrospectively analyzed using survival curves and Cox regression. A total of 5237 patients were included in this study, 767 (14.4%) of them had complications, including 383 cases of postoperative pneumonia (7.2%). The 5-year overall and disease-specific survival of patients with postoperative pneumonia were both lower than those without this complication (P < 0.001). Stratified analysis demonstrated that this difference existed in all Stage I, II, and III patients (log-rank, P < 0.05). Multivariate analysis revealed that age, neoadjuvant chemotherapy, tumor size, tumor stage, and postoperative pneumonia were independent risk factors for disease-specific survival. Postoperative pneumonia after radical gastrectomy is an independent risk factor for prognosis of gastric cancer patients, especially in stage III.

SUBMITTER: Tu RH

PROVIDER: S-EPMC5727328 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Prognostic significance of postoperative pneumonia after curative resection for patients with gastric cancer.

Tu Ru-Hong RH Lin Jian-Xian JX Li Ping P Xie Jian-Wei JW Wang Jia-Bin JB Lu Jun J Chen Qi-Yue QY Cao Long-Long LL Lin Mi M Zheng Chao-Hui CH Huang Chang-Ming CM

Cancer medicine 20171026 12

Few studies have been designed to investigate the incidence of postoperative pneumonia after radical gastrectomy and its effect on prognosis of these patients. Incidences of postoperative pneumonia after radical gastrectomy in our department between January 1996 and December 2014 were summarized. Their effects on prognosis were retrospectively analyzed using survival curves and Cox regression. A total of 5237 patients were included in this study, 767 (14.4%) of them had complications, including ...[more]

PMID: 29076260

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Project description:BACKGROUND:High-quality randomized controlled trials have demonstrated the benefit of radiotherapy (RT) in patients with radical resected gastric cancer (GC), however, utilization rates of postoperative RT remain remarkably low. Patterns, incidences, and time of recurrence provide biological bases for clinical monitoring of GC patients and guiding potential complementary therapies. Thus, the aim of this study is to understand the location of locoregional recurrence which may allow individualized RT strategies and minimize radiation-related toxic effects. METHODS:A relatively large sample of GC patients in a single institution who had undergone curative D2 resection was retrospectively reviewed and the relevant recurrence patterns were illustrated. Independent recurrence-related risk factors were analyzed by logistic regression analysis. New logistic regression models were further developed to predict the probability of recurrence. RESULTS:Overall, among 776 GC patients who had continuous and complete follow-up data, 300 cases relapsed after curative resection. Lymphovascular invasion, lymph node metastases, and tumor stage were indicators for early recurrence. Peritoneal, regional, local, and distant recurrence initially occurred in 51 (6.6%), 151 (19.4%), 56 (7.2%), and 164 (21.1%) patients, respectively. Among patients with regional recurrence, the most common sites were lymph node stations 16a2, 8, 12, 16b1, and 9. Remnant stomach recurrence was not so prominent that it seemed reasonable to be excluded from an irradiation field for patients with negative surgical/pathologic margins. CONCLUSIONS:For GC patients who underwent radical D2 resection, distant and regional recurrences were still common. Besides, optimizing regional control of lymph nodes outside the D2 dissected area was crucial for rational design of the RT field. Furthermore, the new logistic regression models might act as useful tools to evaluate recurrence risk and determine which patients should receive postoperative chemoradiotherapy.

Dataset Information

Prognostic significance of postoperative pneumonia after curative resection for patients with gastric cancer.

Publications

Prognostic significance of postoperative pneumonia after curative resection for patients with gastric cancer.

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