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KMID : 0371420190970020065
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Annals of Surgical Treatment and Research
2019 Volume.97 No. 2 p.65 ~ p.73
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Reduction rate of C-reactive protein as an early predictor of postoperative complications and a reliable discharge indicator after gastrectomy for gastric cancer
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Lee Si-Hak
Kim Ki-Hyun
Choi Cheol-Woong
Kim Su-Jin
Kim Dae-Hwan
Choi Chang-In
Hwang Sun-Hwi
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Abstract
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Purpose: Postoperative complications (PCs) after gastrectomy are associated with readmission and longer hospital stay. This study aimed to determine the role of CRP as an early predictor of PCs and a reliable discharge indicator after gastrectomy.
Methods: Clinicopathologic data and PCs of 613 patients who underwent gastrectomy for gastric cancer in 2015?2016 were retrospectively analyzed, including consecutive blood samples for CRP obtained preoperatively, at the operative day, and postoperatively. Following the Clavien-Dindo classification, the patients were divided into a group with major PCs and a group with minor/no PCs. Diagnostic accuracy was determined by the area under the receiver operating characteristic curve (AUC). Clinical factors related to major PCs were identified using univariate and multivariate logistic regression analyses.
Results: PCs occurred in 89 patients (14.5%). The most significant predictive factor for major PCs was a CRP concentration reduction rate of ≤38.1% (AUC, 0.82; sensitivity, 76.4%; specificity, 76.1%) between postoperative day (POD) 3 and 5 (R5), followed by ≤11.1% (AUC, 0.75; sensitivity, 73%; specificity, 76%) between POD 2 and 3 (R4). When both factors were applied (R4 ≤ 11.1% and R5 ≤ 38.1%), the specificity was 91.6%; when only one condition was satisfied (R4 ≤ 11.1% or R5 ≤ 38.1%), the sensitivity was 91%.
Conclusion: CRP concentration reduction rates between POD 3 and 5 and between POD 2 and 3 were the best combination factors to predict PCs and indicate a safe discharge after gastrectomy for gastric cancer.
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KEYWORD
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C-reactive protein, Postoperative complications, Stomach neoplasms
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