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Machado CR, Braun AM, Ceolin J, Richter SA, Ribeiro MC, Santos LD, Rigo MM, de Souza APD, Padoin AV, Alves LB, Mottin CC, Drumond Costa CA, Mundstock E, Cañon-Montañez W, Ayala CO, Mattiello R. Variation of modulation and expression of biomarkers associated with inflammation in bariatric surgery patients: A systematic review and meta-analysis. Surgery 2023; 174:1114-1144. [PMID: 37633813 DOI: 10.1016/j.surg.2023.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 06/02/2023] [Accepted: 07/08/2023] [Indexed: 08/28/2023]
Abstract
BACKGROUND Bariatric surgery is an effective intervention that causes a series of metabolic changes related to inflammatory processes; however, the variation of biomarkers related to these processes is not entirely understood. Our objective was to investigate the variation of modulation and expression of biomarkers associated with inflammation in patients who underwent bariatric surgery. METHODS We searched the MEDLINE (via PubMed), EMBASE (via Elsevier), Cochrane Central Register of Controlled Trials, Latin American and Caribbean Literature on Health Sciences (via virtual health library), Cumulative Index to Nursing and Allied Health Literature (via EBSCO), Web of Science core collection, and Scopus (via Elsevier) databases, and the gray literature was examined from inception to January 2022. Three pairs of reviewers performed data screening, extraction, and quality assessment independently. Meta-analysis with random effects models was used for general, subgroup, and sensitivity analyses. The I2 statistic was used to assess heterogeneity between studies. RESULTS In total, 96 articles were included in this systematic review; of these, 87 studies met the criteria for the meta-analysis, involving 3,533 participants. Five biomarkers were included in the meta-analysis (tumor necrosis factor alpha; interleukin 6; leptin; interleukin 1 beta, and lipopolysaccharides). Only leptin showed a significant decrease in the first month after surgery (mean difference -20.71; [95% confidence interval: -28.10 to -13.32, P < .0001; I2 = 66.7%), with moderate heterogeneity. The 12 months after surgery showed a significant decrease in tumor necrosis factor alpha (mean difference -0.89; [95% confidence interval: -1.37 to -0.42], P = .0002; I2 = 94.7%), interleukin 6 (mean difference -1.62; [95% confidence interval: -1.95 to -1.29], P < .0001; I2 = 94.9%), leptin (mean difference -28.63; [95% confidence interval: -34.02 to -23.25], P < .0001; I2 = 92.7%), and interleukin 1 beta (mean difference -2.46; [95% confidence interval: -4.23 to -0.68], P = .006; I2 = 98.3%), all with high heterogeneity. The type of surgery did not show significant differences for the biomarkers at the first month and 12 months, and the results have not changed with high-quality studies. In the 12-month measurement, variations in tumor necrosis factor alpha and leptin were associated with body mass index. CONCLUSION The findings of this meta-analysis suggest that Roux-en-Y gastric bypass and sleeve gastrectomy bariatric surgeries are associated with a significant reduction in leptin at 1 month after bariatric surgical intervention and tumor necrosis factor alpha, leptin, and interleukin 1 beta after 12 months.
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Affiliation(s)
- Cátia R Machado
- Medicine School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Amanda M Braun
- Medicine School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Jamile Ceolin
- Federal University of Santa Maria, Rio Grande do Sul, Brazil
| | - Samanta A Richter
- Medicine School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | | | - Leonardo D Santos
- Medicine School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil; Laboratory of Clinical and Experimental Immunology, Health and Life Science School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Maurício M Rigo
- Kavraki Lab, Department of Computer Science, Rice University, Houston, TX
| | - Ana P D de Souza
- Medicine School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil; Laboratory of Clinical and Experimental Immunology, Health and Life Science School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Alexandre V Padoin
- Medicine School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil; Center for Obesity and Metabolic Syndrome, Hospital São Lucas, Porto Alegre, RS, Brazil
| | - Letícia B Alves
- Center for Obesity and Metabolic Syndrome, Hospital São Lucas, Porto Alegre, RS, Brazil
| | - Claudio C Mottin
- Medicine School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil; Center for Obesity and Metabolic Syndrome, Hospital São Lucas, Porto Alegre, RS, Brazil
| | - Caroline A Drumond Costa
- Medicine School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil; Health and Life Science School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Eduardo Mundstock
- Medicine School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil; Department of Education, Sport, and Leisure of Canela, RS, Brazil
| | | | - Camila Ospina Ayala
- Medicine School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil. http://twitter.com/CamilaOAyala2
| | - Rita Mattiello
- Postgraduate Program in Epidemiology, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
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A Clinical Decision Support System for Predicting the Early Complications of One-Anastomosis Gastric Bypass Surgery. Obes Surg 2020; 29:2276-2286. [PMID: 31028626 DOI: 10.1007/s11695-019-03849-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
BACKGROUND/OBJECTIVE One of the most effective treatments for patients with obesity, albeit with some complications, is obesity surgery. The aim of this study was to develop a clinical decision support system (CDSS) to predict the early complications of one-anastomosis gastric bypass (OAGB) surgery. SUBJECTS/METHODS This study was conducted in Tehran, Iran on patients who underwent OAGB surgery in 2011-2014 in five hospitals. Initially, variables affecting the OAGB early complications were identified using the literature review. Patients' data were extracted from an existing database of obesity surgery. Then, different artificial neural networks (ANNs) (multilayer perceptron (MLP) network) were developed and evaluated for prediction of 10-day, 1-month, and 3-month complications. RESULTS Factors including age, BMI, smoking status, intra-operative complications, comorbidities, laboratory tests, sonography results, and endoscopy results were considered important factors for predicting early complications of OAGB. A CDSS was developed with these variables. The accuracy, specificity, and sensitivity of the 10-day prediction system in the test data were 98.4%, 98.6%, and 98.3%, respectively. These figures for 1-month system were 96%, 93%, and 98.4% and for the 3-month system were 89.3%, 86.6%, and 91.5%, respectively. CONCLUSIONS Using the CDSS designed, we could accurately predict the early complications of OAGB surgery.
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Martiny P, Goggs R. Biomarker Guided Diagnosis of Septic Peritonitis in Dogs. Front Vet Sci 2019; 6:208. [PMID: 31316998 PMCID: PMC6610427 DOI: 10.3389/fvets.2019.00208] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Accepted: 06/12/2019] [Indexed: 12/19/2022] Open
Abstract
Septic peritonitis (SP) is common in dogs and is associated with high mortality. Early recognition is essential to maximizing survival and may be aided by biomarker measurement. The present study aimed to evaluate the ability of biomarkers to discriminate septic peritonitis from non-septic ascites (NSA). Eighteen dogs with SP and 19 age-matched controls with NSA were enrolled. Contemporaneous blood and peritoneal effusion samples were obtained. Concentrations of cell-free DNA (cfDNA), cytokines, glucose, lactate, N-terminal pro-C-type natriuretic peptide (NT-proCNP), nucleosomes, and procalcitonin (PCT) were measured using commercial reagents and assays. Paired biomarker concentrations were compared with the Wilcoxon matched-pairs signed rank test, and biomarker concentrations between groups were compared with the Mann-Whitney U-test. P-values were adjusted for multiple comparisons using the Bonferroni correction. Receiver operating characteristic curves were generated to assess the ability of the above biomarkers to discriminate SP from NSA. Dogs with SP had significantly greater blood CCL2 concentrations than dogs with NSA (P = 0.032). Dogs with SP had significantly greater effusion CCL2, IL-6, IL-10, and lactate concentrations than dogs with NSA (P ≤ 0.0121). Blood-effusion concentration gradients of CCL2, glucose, IL-6, IL-10, and lactate were significantly different in dogs with SP compared to dogs with NSA (P ≤ 0.0165). Effusion lactate concentration had the highest AUROC value (0.866, 95% CI 0.751–0.980, P = 0.0001), although other biomarkers performed similarly. An effusion lactate concentration of 4.2 mmol/L was 72.2% (95% CI 46.5–90.3%) sensitive and 84.2% (95% CI 60.4–96.6%) specific for the diagnosis of SP.
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Affiliation(s)
- Pia Martiny
- College of Veterinary Medicine, Cornell University, Ithaca, NY, United States
| | - Robert Goggs
- College of Veterinary Medicine, Cornell University, Ithaca, NY, United States
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Cytokines as Early Markers of Colorectal Anastomotic Leakage: A Systematic Review and Meta-Analysis. Gastroenterol Res Pract 2016; 2016:3786418. [PMID: 27051416 PMCID: PMC4804081 DOI: 10.1155/2016/3786418] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 02/13/2016] [Accepted: 02/18/2016] [Indexed: 12/12/2022] Open
Abstract
Purpose. Colorectal anastomotic leakage (CAL) is one of the most severe complications after colorectal surgery. This meta-analysis evaluates whether systemic or peritoneal inflammatory cytokines may contribute to early detection of CAL. Methods. Systematic literature search was performed in the acknowledged medical databases according to the PRISMA guidelines to identify studies evaluating systemic and peritoneal levels of TNF, IL-1β, IL-6, and IL-10 for early detection of CAL. Means and standard deviations of systemic and peritoneal cytokine levels were extracted, respectively, for patients with and without CAL. The meta-analysis of the mean differences was carried out for each postoperative day using Review Manager. Results. Seven articles were included. The meta-analysis was performed with 5 articles evaluating peritoneal cytokine levels. Peritoneal levels of IL-6 were significantly higher in patients with CAL compared to patients without CAL on postoperative days 1, 2, and 3 (P < 0.05). Similar results were found for peritoneal levels of TNF but on postoperative days 3, 4, and 5 (P < 0.05). The articles regarding systemic cytokine levels did not report any significant difference accordingly. Conclusion. Increased postoperative levels of peritoneal IL-6 and TNF are significantly associated with CAL and may contribute to its early detection.
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Kurmann A, Wanner B, Martens F, Klasen J, Stickel F, Montani M, Candinas D, Beldi G. Hepatic steatosis is associated with surgical-site infection after hepatic and colorectal surgery. Surgery 2014; 156:109-16. [PMID: 24929762 DOI: 10.1016/j.surg.2014.02.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2013] [Accepted: 02/24/2014] [Indexed: 01/13/2023]
Abstract
BACKGROUND Obesity and increased visceral fat deposits are important risk factors for surgical-site infection (SSI). Interestingly, a potential role of hepatic steatosis on complications after extrahepatic surgery remains unknown. The aim of the present study was to investigate the impact of hepatic steatosis on SSI in patients that underwent open abdominal surgery. METHODS A total of 231 patients that underwent either liver (n = 116) or colorectal (n = 115) resection and received preoperative contrast-enhanced computed tomography scans were retrospectively investigated. Signal attenuation of the liver parenchyma was measured on computed tomography scans to assess hepatic steatosis. RESULTS More SSIs (including types 1, 2, and 3) were found in the group with hepatic steatosis (56/118 [47.5%]) compared with the control group (30/113 [26.6%]; P = .001). Patients with hepatic steatosis showed greater median body mass index than patients without hepatic steatosis (26.6 kg/m(2) [range 16.8-47.0 kg/m(2)] vs 23.2 kg/m(2) [15.9-32.7 kg/m(2)]; P < .001). Patients with hepatic steatosis experienced longer median operation times (297 minutes [52-708 minutes] vs 240 minutes [80-600 minutes]; P = .003). In a multivariate analysis, hepatic steatosis was identified as an independent risk factor for SSI in patients undergoing hepatic (odds ratio 10.33 [95% confidence interval 1.19-89.76]; P = .03) or colorectal (odds ratio 6.67 [95% confidence interval 1.12-39.33]; P = .04) operation. CONCLUSION Hepatic steatosis is associated with SSI after hepatic and colorectal operation.
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Affiliation(s)
- Anita Kurmann
- Department of Visceral Surgery and Medicine, Inselspital University Hospital Bern and University Bern, Bern, Switzerland
| | - Beatrice Wanner
- Department of Visceral Surgery and Medicine, Inselspital University Hospital Bern and University Bern, Bern, Switzerland
| | - Florian Martens
- Department of Visceral Surgery and Medicine, Inselspital University Hospital Bern and University Bern, Bern, Switzerland
| | - Jennifer Klasen
- Department of Visceral Surgery and Medicine, Inselspital University Hospital Bern and University Bern, Bern, Switzerland
| | - Felix Stickel
- Department of Visceral Surgery and Medicine, Inselspital University Hospital Bern and University Bern, Bern, Switzerland
| | - Matteo Montani
- Institute of Pathology, University of Bern, Bern, Switzerland
| | - Daniel Candinas
- Department of Visceral Surgery and Medicine, Inselspital University Hospital Bern and University Bern, Bern, Switzerland
| | - Guido Beldi
- Department of Visceral Surgery and Medicine, Inselspital University Hospital Bern and University Bern, Bern, Switzerland.
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Tsujimoto H, Takahata R, Nomura S, Kumano I, Matsumoto Y, Yoshida K, Hiraki S, Aosasa S, Ono S, Yamamoto J, Hase K. Predictive value of pleural and serum interleukin-6 levels for pneumonia and hypo-oxygenations after esophagectomy. J Surg Res 2012. [PMID: 23207169 DOI: 10.1016/j.jss.2012.11.015] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
OBJECTIVE Pulmonary complications after esophagectomy continue to be a significant cause of morbidity and mortality. Although several factors have been implicated to be associated with pulmonary complications after esophagectomy, the prediction of pulmonary complications remains a challenge. The purpose of this study was to evaluate the predictive value of cytokine levels in sera and pleural drainage fluid for pneumonia and hypo-oxygenations following esophagectomy. METHODS A total of 66 patients who underwent esophagectomy for esophageal cancer were retrospectively evaluated for preoperative status, surgical procedures, and postoperative systemic response and laboratory data up to postoperative day (POD) 7. Interleukin-6 (IL-6) and IL-8 levels were also examined in patient sera and pleural drainage fluid until POD 5. RESULTS Eighteen patients (27.3%) had pneumonia following esophagectomy. Patients with pneumonia had significantly more frequent intraoperative blood transfusions, more frequent re-intubation, longer hospital stays, and higher hospital mortality than those without pulmonary complications. Patients with pneumonia had significantly higher levels of serum and pleural IL-6 immediately after surgery and on POD 1 than those without pneumonia. Univariate and multivariate analyses revealed higher pleural IL-6 levels were associated with postoperative minimum PaO2/FiO2 ratio. CONCLUSIONS The elevation of pleural IL-6 levels immediately after surgery and on POD 1 may predict the incidence of pneumonia and the levels of postoperative impaired oxygenation following esophagectomy.
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Affiliation(s)
- Hironori Tsujimoto
- Department of Surgery, National Defense Medical College, Tokorozawa, Japan.
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