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Effect of epidural analgesia on cancer prognosis after colon cancer resection: a single-centre cohort study in Taiwan.

ABSTRACT: OBJECTIVES:Whether epidural analgesia affects cancer outcomes remains controversial. Most previous investigations ignored the confounding potential of important pathological factors on cancer outcomes. This study aimed to assess the association between epidural analgesia and cancer recurrence or death after resections for colon cancer. DESIGN:Retrospective cohort study. SETTING:A single-medical centre in Taiwan. PARTICIPANTS:Patients with stage I through III colon cancer undergoing bowel resection and receiving either epidural analgesia or intravenous opioid analgesia from 2005 to 2014. PRIMARY AND SECONDARY OUTCOME MEASURES:Primary outcome was postoperative recurrence-free survival and secondary outcome was overall survival. RESULTS:A total of 2748 and 1218 patients were analysed before and after propensity score matching. Cox regression analyses did not demonstrate any association between epidural analgesia and recurrence or death after matching (HR 0.89, 95% CI 0.65 to 1.21 for recurrence; 0.72, 95% CI 0.48 to 1.09 for death). Independent prognostic factors for cancer recurrence and death were higher level of preoperative carcinoembryonic antigen, perioperative blood transfusion, advanced cancer stage and pathological lymphovascular invasion. CONCLUSIONS:No definite association was found between epidural analgesia and risk of recurrence or death in patients undergoing colon cancer resection.

SUBMITTER: Wu HL

PROVIDER: S-EPMC7583069 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Effect of epidural analgesia on cancer prognosis after colon cancer resection: a single-centre cohort study in Taiwan.

Wu Hsiang-Ling HL Tai Ying-Hsuan YH Mandell Mercedes Susan MS Tsou Mei-Yung MY Yang Shung-Haur SH Chen Tony Hsiu-Hsi TH Chang Kuang-Yi KY

BMJ open 20201022 10

<h4>Objectives</h4>Whether epidural analgesia affects cancer outcomes remains controversial. Most previous investigations ignored the confounding potential of important pathological factors on cancer outcomes. This study aimed to assess the association between epidural analgesia and cancer recurrence or death after resections for colon cancer.<h4>Design</h4>Retrospective cohort study.<h4>Setting</h4>A single-medical centre in Taiwan.<h4>Participants</h4>Patients with stage I through III colon ca ...[more]

PMID: 33093029

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Project description:BackgroundPerioperative inflammation is associated with poor oncologic outcomes. Regional analgesia has been shown mitigate some of these inflammatory changes and be associated with better oncologic outcomes in patients with hepatic malignancies. The mechanism for this effect, however, remains unclear. The authors sought to compare systemic biomarker concentrations in a comprehensive and oncologically relevant panel in the perioperative setting between patients undergoing thoracic epidural analgesia (TEA) and intra-venous patient- controlled analgesia (IV-PCA) for resection of hepatic metastatic disease.ResultsClinicopathologic variables and baseline biomarkers were similar between TEA (n = 46) and IV-PCA (n = 16) groups. Of the biomarkers which were significantly changed from baseline, there was a lower fold change from baseline in the TEA patients compared to IV-PCA including IL-6 (13.5vs19.1), MCP-1 (1.9vs3.0), IL-8 (2.4vs3.0), and Pentraxin-3 (10.8vs15.6). Overall decreased systemic concentrations of TGFb signaling were noted in TEA patients on POD1 TGFb3 (243.2 vs. 86.0, p = 0.005), POD3 TGFb1 (6558.0 vs. 2063.3, p = 0.004), POD3 TGFb2 (468.3 vs. 368.9, p = 0.036), POD3 TGFb3 (132.2 vs. 77.8, p = 0.028), and POD5 TGFb3 (306.5 vs. 92.2, p = 0.032). POD1 IL-12p70 concentrations were significantly higher in TEA patients (8.3 vs. 1.6, p = 0.024).ConclusionEpidural analgesia damped the postoperative inflammatory response and systemic immunosuppressive signaling, as well as promoted Th1 systemic signaling early in the post-operative period after hepatic resection for metastatic disease. These differences elaborate on known mechanisms for improved oncologic outcomes with regional anesthesia, and may be considered for biomarker monitoring of effective regional anesthesia in oncologic surgery.Materials and methodsPatient data, including clinicopathologic variables were collected for this study from the database of a randomized controlled trial comparing perioperative outcomes in patients undergoing hepatic resection with TEA vs. IV-PCA. Patients undergoing resection for metastatic disease were selected for this study. Plasma concentrations (pg/mL) of well-studied biomarkers (IL-1b/2/4/5/6/7/8/10/12p70/13/17, MCP-1 IFNγ, TNFα, MIP-1b, GM-CSF, G-CSF, VEGF, Resistin, TGFb1, TGFb2, and TGFb3), as well as novel perioperative markers (CXCL12, CXCL10, Omentin-1, sLeptin R, Vaspin, Pentraxin-3, Galactin-3, FGF-23, PON-1, FGF-21) were measured preoperatively, and on postoperative day (POD)1, POD3, and POD5 using multiplex bead assays. Clinicopathologic variables and perioperative variations in these biomarkers were compared between TEA vs IV-PCA groups.

Dataset Information

Effect of epidural analgesia on cancer prognosis after colon cancer resection: a single-centre cohort study in Taiwan.

Publications

Effect of epidural analgesia on cancer prognosis after colon cancer resection: a single-centre cohort study in Taiwan.

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