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The duration of systemic inflammatory response syndrome is a reliable indicator of long-term survival after curative esophagectomy for esophageal squamous cell carcinoma

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We focused on the Systemic Inflammatory Response Syndrome (SIRS) duration after surgery for esophageal squamous cell carcinoma (ESCC) as the prognostic marker. We enrolled a total of 222 patients with… Click to show full abstract

We focused on the Systemic Inflammatory Response Syndrome (SIRS) duration after surgery for esophageal squamous cell carcinoma (ESCC) as the prognostic marker. We enrolled a total of 222 patients with local ESCC, who underwent curative esophagectomy between 2005 and 2015. SIRS was diagnosed according to the criteria as a condition involving two or more of the following factors after surgery: (a) body temperature of > 38 °C or < 36 °C; (b) heart rate > 90 beats/min; (c) respiratory rate > 20 breaths/min (d) WBC count > 12,000 or < 4000 cells/mm3. We defined SIRS duration as the total sum of the days defined as SIRS conditions during 7 days after surgery. The SIRS duration was analyzed by Cox hazards modeling to determine the independent prognostic factors for overall survival (OS) and Cancer-specific survival (CSS). The cutoff point of SIRS duration was determined to be set at 5.0 days according to the receiver operating characteristic (ROC) curve, which was plotted using 5-year OS as the endpoint. Of the 222 patients, 165 (74.4%) and 57 (25.6%) were classified as having short (< 5.0) and long (≥ 5.0) SIRS, respectively. The long SIRS was significantly associated with postoperative pneumonia (Hazard Ratio (HR):9.07; P < 0.01), great amount of blood loss during surgery (HR: 2.20: P = 0.04), preoperative high CRP value (HR: 2.45: P = 0.04) and preoperative low albumin (HR: 2.79: P = 0.03) by logistic-regression multivariate analysis. Cox Hazard Multivariate analyses revealed that long SIRS was a worse prognostic factor for OS (HR: 2.36; 95% Confidence Interval (CI):1.34–4.20, P < 0.01) and CSS (HR: 2.07; 95% CI:1.06–4.06, P = 0.03), while postoperative pneumonia and postoperative high CRP value were not worse prognostic factors for OS and CSS. SIRS duration is a more reliable prognostic marker than the development of pneumonia and high postoperative CRP value after surgery for ESCC. The surgeons should aim to reduce the SIRS duration to improve the prognosis of ESCC patients.

Keywords: response syndrome; sirs duration; duration; inflammatory response; esophageal squamous; systemic inflammatory

Journal Title: Esophagus
Year Published: 2021

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