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Hendriks S, van Leeuwen BL, De Haan JJ. ASO Author Reflections: Loss of Intestinal Integrity During Oncological Surgery and Postoperative Complications: A Complex Relationship. Ann Surg Oncol 2024; 31:2326-2327. [PMID: 38253947 PMCID: PMC10908632 DOI: 10.1245/s10434-024-14980-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 01/12/2024] [Indexed: 01/24/2024]
Affiliation(s)
- Sharon Hendriks
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
| | - Barbara L van Leeuwen
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Jacco J De Haan
- Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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Hendriks S, Huisman MG, Stokmans SC, Plas M, van der Wal-Huisman H, van Munster BC, Absalom AR, Nieuwenhuijs-Moeke GJ, de Bock GH, van Leeuwen BL, de Haan JJ. The Association Between Intraoperative Compromised Intestinal Integrity and Postoperative Complications in Cancer Patients. Ann Surg Oncol 2024; 31:2699-2708. [PMID: 38225477 PMCID: PMC10908644 DOI: 10.1245/s10434-023-14857-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 12/17/2023] [Indexed: 01/17/2024]
Abstract
BACKGROUND Because of perioperative splanchnic hypoperfusion, the gut wall becomes more permeable for intraluminal microbes to enter the splanchnic circulation, possibly contributing to development of complications. Hypoperfusion-related injured enterocytes release intestinal fatty acid binding protein (I-FABP) into plasma, which is used as proxy of intestinal integrity. This study investigates the occurrence of intestinal integrity loss during oncologic surgery, measured by I-FABP change. Secondary the relationship between compromised intestinal integrity, and related variables and complications were studied. METHODS Patients undergoing oncologic surgery from prospective cohort studies were included. Urine I-FABP samples were collected preoperatively (T0) and at wound closure (T1), and in a subgroup on Day 1 (D1) and Day 2 (D2) postoperatively. I-FABP dynamics were investigated and logistic regression analyses were performed to study the association between I-FABP levels and patient-related, surgical variables and complications. RESULTS A total of 297 patients were included with median age of 70 years. Median I-FABP value increased from 80.0 pg/mL at T0 (interquartile range [IQR] 38.0-142.0) to 115 pg/mL at T1 (IQR 48.0-198.0) (p < 0.05). Age (odds ratio [OR] 1.05, 95% confidence interval [CI] 1.02-1.08) and anesthesia time (OR 1.13, 95% CI 1.02-1.25) were related to stronger I-FABP increase. When comparing I-FABP change in patients experiencing any complications versus no complications, relative I-FABP change at T1 was 145% of T0 (IQR 86-260) versus 113% (IQR 44-184) respectively (p < 0.05). CONCLUSIONS A significant change in I-FABP levels was seen perioperatively indicating compromised intestinal integrity. Age and anesthesia time were related to higher I-FABP increase. In patients experiencing postoperative complications, a higher I-FABP increase was found.
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Affiliation(s)
- Sharon Hendriks
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
| | - Monique G Huisman
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Suzanne C Stokmans
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Matthijs Plas
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Hanneke van der Wal-Huisman
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Barbara C van Munster
- Department of Internal Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Anthony R Absalom
- Department of Anesthesiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Gertrude J Nieuwenhuijs-Moeke
- Department of Anesthesiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Geertruida H de Bock
- Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Barbara L van Leeuwen
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Jacco J de Haan
- Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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Fialova L, Barilly P, Stetkarova I, Bartos A, Noskova L, Zimova D, Zido M, Hoffmanova I. Impaired intestinal permeability in patients with multiple sclerosis. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2023. [PMID: 37581230 DOI: 10.5507/bp.2023.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2023] Open
Abstract
BACKGROUND A number of recent studies have shown that the intestinal microbiome, part of the brain-gut axis, is implicated in the pathophysiology of multiple sclerosis. An essential part of this axis, is the intestinal barrier and gastrointestinal disorders with intestinal barrier dysregulation appear to be linked to CNS demyelination, and hence involved in the etiopathogenesis of multiple sclerosis (MS). OBJECTIVE The aim of this study was to evaluate the integrity of the intestinal barrier in patients with clinically definite multiple sclerosis (CDMS) and clinically isolated syndrome (CIS) using two serum biomarkers, claudin-3 (CLDN3), a component of tight epithelial junctions, and intestinal fatty acid binding protein (I-FABP), a cytosolic protein in enterocytes. METHODS Serum levels of CLDN3 in 37 MS patients and 22 controls, and serum levels of I-FABP in 46 MS patients and 51 controls were measured using commercial ELISA kits. Complete laboratory tests excluded the presence of gluten-related disorders in all subjects. Thirty MS patients received either disease-modifying drugs (DMD), immunosuppression (IS) or corticosteroid treatment. RESULTS CLDN3 levels were only significantly higher in the MS patients treated with DMD or IS compared to the control group (P=0.006). There were no differences in I-FABP serum levels between the groups. Serum CLDN3 levels did not correlate with serum I-FABP levels in CDMS, in CIS patients or controls. CONCLUSIONS In multiple sclerosis patients, the intestinal epithelium may be impaired with increased permeability, but without significant enterocyte damage characterized by intracellular protein leakage. Based on our data, CLDN3 serum levels appear to assess intestinal dysfunction in MS patients but mainly in treated ones.
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Affiliation(s)
- Lenka Fialova
- Institute of Medical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University and General University Hospital in Prague, Czech Republic
| | - Pavla Barilly
- Department of Neurology, Third Faculty of Medicine, Charles University and University Hospital Kralovske Vinohrady in Prague, Czech Republic
| | - Ivana Stetkarova
- Department of Neurology, Third Faculty of Medicine, Charles University and University Hospital Kralovske Vinohrady in Prague, Czech Republic
| | - Ales Bartos
- Department of Neurology, Third Faculty of Medicine, Charles University and University Hospital Kralovske Vinohrady in Prague, Czech Republic
| | - Libuse Noskova
- Institute of Medical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University and General University Hospital in Prague, Czech Republic
| | - Denisa Zimova
- Department of Neurology, Third Faculty of Medicine, Charles University and University Hospital Kralovske Vinohrady in Prague, Czech Republic
| | - Michal Zido
- Department of Neurology, Third Faculty of Medicine, Charles University and University Hospital Kralovske Vinohrady in Prague, Czech Republic
| | - Iva Hoffmanova
- Department of Internal Medicine, Second Faculty of Medicine, Charles University and University Hospital Motol in Prague, Czech Republic
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Pfaff DH, Poschet G, Hell R, Szendrödi J, Teleman AA. Walking 200 min per day keeps the bariatric surgeon away. Heliyon 2023; 9:e16556. [PMID: 37274680 PMCID: PMC10238728 DOI: 10.1016/j.heliyon.2023.e16556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 05/19/2023] [Accepted: 05/19/2023] [Indexed: 06/06/2023] Open
Abstract
Exercise and increased physical activity are vital components of the standard treatment guidelines for many chronic diseases such as diabetes, obesity and cardiovascular disease. Although strenuous exercise cannot be recommended to people with numerous chronic conditions, walking is something most people can perform. In comparison to high-intensity training, the metabolic consequences of low-intensity walking have been less well studied. We present here a feasibility study of a subject who performed an exercise intervention of low-intensity, non-fatiguing walking on a deskmill/treadmill for 200 min daily, approximately the average time a German spends watching television per day. This low-impact physical activity has the advantages that it can be done while performing other tasks such as reading or watching TV, and it can be recommended to obese patients or patients with heart disease. We find that this intervention led to substantial weight loss, comparable to that of bariatric surgery. To study the metabolic changes caused by this intervention, we performed an in-depth metabolomic profiling of the blood both directly after walking to assess the acute changes, as well as 1.5 days after physical activity to identify the long-term effects that persist. We find changes in acylcarnitine levels suggesting that walking activates fatty acid beta oxidation, and that this mitochondrial reprogramming is still visible 1.5 days post-walking. We also find that walking mildly increases gut permeability, leading to increased exposure of the blood to metabolites from the gut microbiome. Overall, these data provide a starting point for designing future intervention studies with larger cohorts.
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Affiliation(s)
- Daniel H. Pfaff
- German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- Department of Internal Medicine I and Clinical Chemistry, Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Gernot Poschet
- Centre for Organismal Studies (COS), Heidelberg University, 69120 Heidelberg, Germany
| | - Rüdiger Hell
- Centre for Organismal Studies (COS), Heidelberg University, 69120 Heidelberg, Germany
| | - Julia Szendrödi
- Department of Internal Medicine I and Clinical Chemistry, Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Aurelio A. Teleman
- German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- Heidelberg University, 69120 Heidelberg, Germany
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Zhang X, Chen Y, Tang Y, Zhang Y, Zhang X, Su D. Efficiency of probiotics in elderly patients undergoing orthopedic surgery for postoperative cognitive dysfunction: a study protocol for a multicenter, randomized controlled trial. Trials 2023; 24:146. [PMID: 36841790 PMCID: PMC9960477 DOI: 10.1186/s13063-023-07167-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 02/14/2023] [Indexed: 02/27/2023] Open
Abstract
BACKGROUND Postoperative cognitive dysfunction (POCD) refers to a neurological dysfunction after a major surgery and anesthesia. It is common in elderly patients and is characterized by impairment in consciousness, orientation, thinking, memory, and executive function after surgical anesthesia. However, at present, there is no definite preventive or treatable strategy for it. Previous animal experiments showed that giving probiotics to mice before operation can prevent POCD, but there is a lack of clinical evidence. This study aims to intervene with the intestinal flora imbalance using probiotics during the perioperative period to reduce the incidence of POCD in elderly patients after orthopedic surgery and to provide new ideas and methods for the clinical prevention and treatment of POCD. METHODS A multicenter, double-blind, placebo-controlled clinical trial will be performed to evaluate the efficacy of probiotics in elderly patients undergoing orthopedic surgery. Participants (n = 220) will receive probiotics (Peifeikang, Live Combined Bifidobacterium, 210 mg per capsule, twice a day, four capsules each time, which contains Bifidobacterium longum, Lactobacillus acidophilus and Streptococcus faecalis no less than 1.0 × 107 CFU viable bacteria respectively) or placebo from 1 day before surgery to 6 days after surgery. Neuropsychological tests will be performed 1 day before surgery and 1 week and 1 month after surgery. The main outcome of this study is the incidence of POCD 7 days after surgery. Our secondary objective is to assess the incidence of POCD 1 month after surgery; the cognitive status will be determined based on a telephone interview and will be evaluated via TICS-m; postoperative delirium will be assessed 7 days after surgery using the Confusion Assessment Method (CAM). DISCUSSION Discovering the correlation between the intestinal microbiota and POCD is an important breakthrough. Based on the key role of the intestinal microbiota in other cognitive disorders, we hope that probiotics can reduce its incidence in elderly orthopedic patients. TRIAL REGISTRATION ClinicalTrials.gov NCT04017403. Registered on August 15, 2019.
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Affiliation(s)
- Xiaoyi Zhang
- grid.16821.3c0000 0004 0368 8293Department of Anaesthesiology, Renji Hospital, Shanghai Jiaotong University School of Medicine, 160 Pujian Road, Shanghai, 200127 China
| | - Yuwen Chen
- grid.16821.3c0000 0004 0368 8293Department of Anaesthesiology, Renji Hospital, Shanghai Jiaotong University School of Medicine, 160 Pujian Road, Shanghai, 200127 China
| | - Ying Tang
- grid.16821.3c0000 0004 0368 8293Department of Anaesthesiology, Renji Hospital, Shanghai Jiaotong University School of Medicine, 160 Pujian Road, Shanghai, 200127 China
| | - Yizhe Zhang
- grid.16821.3c0000 0004 0368 8293Department of Anaesthesiology, Renji Hospital, Shanghai Jiaotong University School of Medicine, 160 Pujian Road, Shanghai, 200127 China
| | - Xiao Zhang
- grid.16821.3c0000 0004 0368 8293Department of Anaesthesiology, Renji Hospital, Shanghai Jiaotong University School of Medicine, 160 Pujian Road, Shanghai, 200127 China
| | - Diansan Su
- Department of Anaesthesiology, Renji Hospital, Shanghai Jiaotong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China.
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Circulating mtDNA and Impaired Intestinal Barrier after Gastrointestinal Surgery Are Correlated with Postoperative SIRS. Genes (Basel) 2022; 13:genes13111933. [PMID: 36360170 PMCID: PMC9689839 DOI: 10.3390/genes13111933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/29/2022] [Accepted: 10/21/2022] [Indexed: 11/29/2022] Open
Abstract
Background: This prospective study aimed to explore the correlation between circulating mitochondrial DNA (mtDNA), intestinal barrier function impairment, and postoperative SIRS in patients undergoing gastrointestinal surgery. Methods: Patients were recruited into this study after signing an informed consent form. Circulating mitochondrial DNA and serum DAO concentrations were measured preoperatively and on day 1 and day 7 postoperatively. Postoperative vitals, routine tests, and biochemical indicators were recorded in detail. Results: Forty patients undergoing gastrointestinal surgery were recruited for and completed this study. Patients were divided into non-fever, fever, and SIRS groups according to their postoperative temperature and other corresponding indexes. The mtDNA was expressed as the number of PCR cycles using three specific sequences. Circulating mtDNA tended to increase in patients after gastrointestinal surgery, but the difference was not significant. Nevertheless, mtDNA in the SIRS group was significantly higher than in patients in the fever and non-fever groups (p < 0.05). Serum DAO showed a trend of increase on the first day after surgery compared with that before surgery, but the difference was not significant (p > 0.05). However, patients in the SIRS group showed a significant increase (p < 0.05) compared with the others. Both circulating mtDNA and DAO showed a downward trend on the seventh day after surgery. Conclusions: Circulating mtDNA presented a trend of increase after gastrointestinal surgery, and the degree of the increased fold was related to the extent of the inflammation response. In general, the intestinal barrier damage indicator DAO was the same as mtDNA and tended to increase after gastrointestinal surgery and then gradually decrease, which may play a synergistic role in inducing postoperative fever and SIRS.
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Araki R, Iwanaga K, Ueda K, Isaka M. Intestinal Complication With Myxomatous Mitral Valve Diseases in Chihuahuas. Front Vet Sci 2021; 8:777579. [PMID: 34888377 PMCID: PMC8649761 DOI: 10.3389/fvets.2021.777579] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 10/28/2021] [Indexed: 11/25/2022] Open
Abstract
The effects of cardiac disease on the intestine have been reported in humans but not in dogs. We investigated the effects of myxomatous mitral valve disease (MMVD), which is capable of causing congestion and tissue hypoperfusion, on the intestine in Chihuahuas, a breed frequently encountered in clinical practice as the preferred breed for MMVD. In this study, 69 Chihuahuas were divided into four groups based on echocardiography and chest radiography: 19 healthy Chihuahuas (H) and 50 Chihuahuas with MMVD classified according to the ACVIM consensus (stage B1, B2, C/D). In all the cases, serum intestinal fatty acid-binding protein (I-FABP) and D/L-lactate concentrations, markers of intestinal mucosal injury, were measured. I-FABP was significantly higher in stage C/D Chihuahuas than in other groups (p < 0.05), and stage B2 was significantly higher than H (p < 0.05). D-lactate was significantly increased in stages B2 and C/D compared to H and stage B1 (p < 0.05). L-lactate was significantly higher in stage C/D Chihuahuas than in any other group (p < 0.05), and stage B2 was significantly higher than that in H and stage B1 (p < 0.05). Intestinal mucosal injury risk was significantly higher in Chihuahuas with heart failure due to MMVD, suggesting that the risk could increase with worsening heart disease. This is the first study to investigate the intestinal complications of MMVD, and further investigations a needed in the future.
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Affiliation(s)
- R Araki
- Yokohama Yamate Dog & Cat Medical Center, Yokohama, Japan.,Tokyo Veterinary Cardiology Center, Fukazawa, Japan.,Department of Small Animal Clinical Sciences, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Japan
| | - K Iwanaga
- Tokyo Veterinary Cardiology Center, Fukazawa, Japan
| | - Kazunori Ueda
- Yokohama Yamate Dog & Cat Medical Center, Yokohama, Japan
| | - M Isaka
- Department of Small Animal Clinical Sciences, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Japan
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Birgin E, Yang C, Brunner A, Hetjens S, Rahbari M, Bork U, Reissfelder C, Weitz J, Rahbari NN. A postresection perfusion deficit in the right colon is an independent predictor of perioperative outcome after major hepatectomy. JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES 2021; 29:785-797. [PMID: 34856068 DOI: 10.1002/jhbp.1089] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 10/25/2021] [Accepted: 11/03/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND There is a strong interaction between hepatic hemodynamics and perfusion in the splanchnic system. However, little is known about differences in perfusion in different splanchnic compartments and their changes after hepatectomy. METHODS Perfusion in various splanchnic compartments (ie, stomach, small intestine, right and left colon, liver) was assessed pre- and post-hepatectomy by intraoperative laser Doppler flowmetry. Differences of splanchnic perfusion between compartments were evaluated by ANOVA, and risk factors of postoperative complications (graded by the comprehensive complication index [CCI]) were analyzed by univariate and multivariate analyses. A prediction model of postoperative complications was developed. RESULTS A total of 50 and 29 patients with major and minor hepatectomy were enrolled. Splanchnic perfusion at baseline varied significantly across different splanchnic compartments with highest values in the small bowel and right colon (P < .001). Major hepatectomy induced a significant perfusion decrease in the stomach (P = .006), right colon (P < .001) and small bowel (P = .035). A postresection perfusion deficit in the right colon with values below 254 perfusion units (PU) was identified as an independent predictor of clinically relevant complications after major hepatectomy (concordance index: 0.79, 95% CI 0.66-0.87, P = .002). Bootstrap validation confirmed internal validity and excellent calibration. CONCLUSIONS Major hepatectomy causes significant reduction of splanchnic perfusion. An intraoperative posthepatectomy microcirculatory perfusion deficit of the right colon is a strong and independent predictor of clinically relevant postoperative complications after major hepatectomy.
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Affiliation(s)
- Emrullah Birgin
- Department of Surgery, Medical Faculty Mannheim, Universitätsmedizin Mannheim, Heidelberg University, Mannheim, Germany
| | - Cui Yang
- Department of Surgery, Medical Faculty Mannheim, Universitätsmedizin Mannheim, Heidelberg University, Mannheim, Germany
| | - Anna Brunner
- Department of Gastrointestinal, Thoracic and Vascular Surgery, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Svetlana Hetjens
- Department of Medical Statistics and Biomathematics, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Mohammad Rahbari
- Department of Surgery, Medical Faculty Mannheim, Universitätsmedizin Mannheim, Heidelberg University, Mannheim, Germany
| | - Ulrich Bork
- Department of Gastrointestinal, Thoracic and Vascular Surgery, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Christoph Reissfelder
- Department of Surgery, Medical Faculty Mannheim, Universitätsmedizin Mannheim, Heidelberg University, Mannheim, Germany
| | - Jürgen Weitz
- Department of Gastrointestinal, Thoracic and Vascular Surgery, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Nuh N Rahbari
- Department of Surgery, Medical Faculty Mannheim, Universitätsmedizin Mannheim, Heidelberg University, Mannheim, Germany
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Xia X, Ni J, Yin S, Yang Z, Jiang H, Wang C, Peng J, Wei H, Wang X. Elevated Systemic and Intestinal Inflammatory Response Are Associated With Gut Microbiome Disorder After Cardiovascular Surgery. Front Microbiol 2021; 12:686648. [PMID: 34512565 PMCID: PMC8424189 DOI: 10.3389/fmicb.2021.686648] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 07/26/2021] [Indexed: 12/12/2022] Open
Abstract
Systemic inflammatory response after cardiovascular surgery is associated with poor prognosis, to which gut barrier impairment is related. To investigate whether perioperative changes of the gut microbiome are associated with systemic and intestinal inflammatory response, we examined changes of the gut microbiome, intestinal homeostasis, and systemic inflammatory response in cardiovascular patients before (Pre) surgery and on the first defecation day [postoperative time 1 (Po1)] or a week [postoperative time 2 (Po2)] postsurgery. Markedly, the enhanced systemic inflammatory response was observed in Po1 and Po2 compared with that in Pre. In line with inflammatory response, impaired gut barrier and elevated gut local inflammation were observed in Po1 and Po2. Microbiome analysis showed a remarkable and steady decline of alpha diversity perioperatively. In addition, microbial composition in the postoperation period was characterized by significant expansion of Enterococcus along with a decrease in anaerobes (Blautia, Faecalibacterium, Bifidobacterium, Roseburia, Gemmiger, [Ruminococcus], and Coprococcus), which were typically health-associated bacteria. Spearman correlation analysis showed microbiome disorder was associated with enhanced systemic inflammatory response and intestinal dysbiosis. These results suggest that microbiome disorder was related to disturbed gut homeostatic and subsequently elevates plasma endotoxin and systemic inflammatory response after cardiovascular surgery. This study not only highlights gut microbiome would be considered in future clinical practice but also proposes a promising perspective of potential diagnostic and therapeutic options for perioperative management of cardiovascular surgery patients.
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Affiliation(s)
- Xiong Xia
- Department of Animal Nutrition and Feed Science, College of Animal Science, Huazhong Agricultural University, Wuhan, China
| | - Jiangjin Ni
- Department of Animal Nutrition and Feed Science, College of Animal Science, Huazhong Agricultural University, Wuhan, China
| | - Shengnan Yin
- Department of Animal Nutrition and Feed Science, College of Animal Science, Huazhong Agricultural University, Wuhan, China
| | - Zhipeng Yang
- Department of Animal Nutrition and Feed Science, College of Animal Science, Huazhong Agricultural University, Wuhan, China
| | - Haini Jiang
- Medical Affairs Office, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chao Wang
- Department of Animal Nutrition and Feed Science, College of Animal Science, Huazhong Agricultural University, Wuhan, China
| | - Jian Peng
- Department of Animal Nutrition and Feed Science, College of Animal Science, Huazhong Agricultural University, Wuhan, China
| | - Hongkui Wei
- Department of Animal Nutrition and Feed Science, College of Animal Science, Huazhong Agricultural University, Wuhan, China
| | - Xingyu Wang
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Sertraline and Citalopram Actions on Gut Barrier Function. Dig Dis Sci 2021; 66:3792-3802. [PMID: 33184794 PMCID: PMC8510962 DOI: 10.1007/s10620-020-06702-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 10/29/2020] [Indexed: 12/09/2022]
Abstract
INTRODUCTION Disruption of intestinal barrier is a key component to various diseases. Whether barrier dysfunction is the cause or effect in these situations is still unknown, although it is believed that translocation of luminal content may initiate gastrointestinal or systemic inflammatory disorders. Since trauma- or infection-driven epithelial permeability depends on Toll-like receptor (TLR) activity, inhibition of TLR signaling has been proposed as a strategy to protect intestinal barrier integrity after infection or other pathological conditions. Recently, selective serotonin recapture inhibitors including sertraline and citalopram were shown to inhibit TLR-3 activity, but the direct effects of these antidepressant drugs on the gut mucosa barrier remain largely unexplored. MATERIALS AND METHODS To investigate this, two approaches were used: first, ex vivo studies were performed to evaluate sertraline and citalopram-driven changes in permeability in isolated intestinal tissue. Second, both compounds were tested for their preventive effects in a rat model of disrupted gut barrier, induced by a low protein (LP) diet. RESULTS Only sertraline was able to increase transepithelial electrical resistance in the rat colon both when used in an ex vivo (0.8 μg/mL, 180 min) or in vivo (30 mg/kg p.o., 20 days) fashion. However, citalopram (20 mg/kg p.o., 20 days), but not sertraline, prevented the increase in phospho-IRF3 protein, a marker of TLR-3 activation, in LP-rat ileum. Neither antidepressant affected locomotion, anxiety-like behaviours or stress-induced defecation. CONCLUSION Our data provides evidence to support the investigation of sertraline as therapeutic strategy to protect intestinal barrier function under life-threatening situations or chronic conditions associated with gut epithelial disruption.
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11
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Strang SG, Habes QLM, Van der Hoven B, Tuinebreijer WE, Verhofstad MHJ, Pickkers P, Van Lieshout EMM, Van Waes OJF. Intestinal fatty acid binding protein as a predictor for intra-abdominal pressure-related complications in patients admitted to the intensive care unit; a prospective cohort study (I-Fabulous study). J Crit Care 2020; 63:211-217. [PMID: 32980233 DOI: 10.1016/j.jcrc.2020.08.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 08/24/2020] [Accepted: 08/30/2020] [Indexed: 11/16/2022]
Abstract
PURPOSE Critically ill patients are at risk for intra-abdominal hypertension (IAH) and related complications such as organ failure, abdominal compartment syndrome (ACS), and death. This study aimed to determine the value of urinary and serum intestinal fatty acid binding protein (I-FABP) levels as early marker for IAH-associated complications. METHODS A prospective observational study was conducted in two academic institutional mixed medical-surgical ICUs in the Netherlands. Adult patients admitted to the ICU with two or more risk factors for IAH (198) were included. Urinary and serum I-FABP and intra-abdominal pressure (IAP) were measured every six hours during 72 h. RESULTS Fifteen (8%) patients developed ACS and 74 (37%) developed new organ failure. I-FABP and IAP were positively correlated. Patients who developed ACS had higher median baseline levels of urinary I-FABP (235(P25-P75 85-1747)μg/g creat) than patients with IAH who did not develop ACS (87(P25-P75 33-246)μg/g, p = 0.037). With an odds ratio of 1.00, neither urinary nor serum I-FABP indicated increased risk for developing new organ failure or ACS. CONCLUSIONS A relevant diagnostic value of I-FABP levels for identifying individual patients at risk for intra-abdominal pressure related complications could not be demonstrated.
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Affiliation(s)
- Steven G Strang
- Trauma Research Unit, Department of Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Quirine L M Habes
- Department of Intensive Care Medicine, Radboudumc, Nijmegen, the Netherlands
| | - Ben Van der Hoven
- Department of Intensive Care Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Wim E Tuinebreijer
- Trauma Research Unit, Department of Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Michael H J Verhofstad
- Trauma Research Unit, Department of Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Peter Pickkers
- Department of Intensive Care Medicine, Radboudumc, Nijmegen, the Netherlands
| | - Esther M M Van Lieshout
- Trauma Research Unit, Department of Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands.
| | - Oscar J F Van Waes
- Trauma Research Unit, Department of Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
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Urinary I-FABP, L-FABP, TFF-3, and SAA Can Diagnose and Predict the Disease Course in Necrotizing Enterocolitis at the Early Stage of Disease. J Immunol Res 2020; 2020:3074313. [PMID: 32190704 PMCID: PMC7072107 DOI: 10.1155/2020/3074313] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 02/08/2020] [Indexed: 12/24/2022] Open
Abstract
Necrotizing enterocolitis (NEC) is a severe gastrointestinal disease affecting mainly preterm newborns. It is characterized by unexpected onset and rapid progression with specific diagnostic signs as pneumatosis intestinalis or gas in the portal vein appearing later in the course of the disease. Therefore, we analyzed diagnostic and prognostic potential of the markers of early NEC pathogenesis, such as excessive inflammatory response (serum amyloid A (SAA)) and gut epithelium damage (intestinal and liver fatty acid-binding protein (I-FABP and L-FABP, respectively) and trefoil factor-3 (TFF-3)). We used ELISA to analyze these biomarkers in the urine of patients with suspected NEC, either spontaneous or surgery-related, or in infants without gut surgery (controls). Next, we compared their levels with the type of the disease (NEC or sepsis) and its severity. Already at the time of NEC suspicion, infants who developed NEC had significantly higher levels of all tested biomarkers than controls and higher levels of I-FABP and L-FABP than those who will later develop sepsis. Infants who will develop surgery-related NEC had higher levels of I-FABP and L-FABP than those who will develop sepsis already during the first 6 hours after the abdominal surgery. I-FABP was able to discriminate between infants who will develop NEC or sepsis and the SAA was able to discriminate between medical and surgical NEC. Moreover, the combination of TFF-3 with I-FABP and SAA could predict pneumatosis intestinalis, and the combination of I-FABP, L-FABP, and SAA could predict gas in the portal vein or long-term hospitalization and low SAA predicts early full enteral feeding. Thus, these biomarkers may be useful not only in the early, noninvasive diagnostics but also in the subsequent NEC management.
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13
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Eveleens R, Joosten K, de Koning B, Hulst J, Verbruggen S. Definitions, predictors and outcomes of feeding intolerance in critically ill children: A systematic review. Clin Nutr 2020; 39:685-693. [DOI: 10.1016/j.clnu.2019.03.026] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 02/20/2019] [Accepted: 03/17/2019] [Indexed: 01/18/2023]
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Plasma claudin-3 is associated with tumor necrosis factor-alpha-induced intestinal endotoxemia in liver disease. Clin Res Hepatol Gastroenterol 2019; 43:410-416. [PMID: 31053499 DOI: 10.1016/j.clinre.2018.11.014] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 11/18/2018] [Accepted: 11/27/2018] [Indexed: 02/04/2023]
Abstract
OBJECTIVE To investigate intestinal endotoxemia (IETM), intestinal permeability (IP) and cytokine activity in patients with liver cirrhosis (LC). MATERIALS AND METHODS Twenty-nine patients with chronic hepatitis B (CHB), 28 with compensated LC, 33 with decompensated LC, 24 with spontaneous bacterial peritonitis (SBP), 26 with acute-on-chronic liver failure (ACLF), and 24 with decompensated LC complicated by hepatocellular carcinoma (HCC) were recruited. Thirty-one healthy people were included as a control group. Plasma tumor necrosis factor (TNF)-α, interferon (IFN)-γ, D-lactate, endotoxin, and claudin-3 levels were assayed. Data were compared using Pearson correlation testing and analysis of variance, with P < 0.05 considered significant. RESULTS TNF-α, claudin-3, and endotoxin levels were significantly increased (P < 0.05) in the plasma of all patients with liver disease compared with that of controls, particularly in patients with decompensated LC, SBP, ACLF, or HCC (P < 0.01). IFN-γ was significantly higher in HCC than in other liver diseases (P < 0.01). Plasma D-lactate was significantly decreased in all liver diseases, except SBP (P < 0.01). TNF-α, endotoxin, and claudin-3 levels were positively correlated (P < 0.01), but correlations of IFN-γ with endotoxin or claudin-3 were not significant. The plasma D-lactate level did not significantly correlate with either TNF-α, endotoxin, or claudin-3 levels. CONCLUSION Plasma claudin-3, but not D-lactate, was found to be a marker of IP in patients with liver diseases. Elevated plasma TNF-α in such patients was likely to have injured the intestinal barrier, leading to IETM, especially in end-stage LC.
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15
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Angarita SAK, Duarte S, Russell TA, Ruchala P, Elliott IA, Whitelegge JP, Zarrinpar A. Quantitative Measure of Intestinal Permeability Using Blue Food Coloring. J Surg Res 2019; 233:20-25. [PMID: 30502249 PMCID: PMC6561122 DOI: 10.1016/j.jss.2018.07.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 05/23/2018] [Accepted: 07/02/2018] [Indexed: 12/25/2022]
Abstract
BACKGROUND Loss of intestinal barrier integrity plays a fundamental role in the pathogenesis of various gastrointestinal diseases and is implicated in the onset of sepsis and multiple organ failure. An array of methods to assess different aspects of intestinal barrier function suffers from lack of sensitivity, prolonged periods of specimen collection, or high expense. We have developed a technique to measure the concentration of the food dye FD&C Blue #1 from blood and sought to assess its utility in measuring intestinal barrier function in humans. MATERIALS AND METHODS Four healthy volunteers and 10 critically ill subjects in the intensive care unit were recruited in accordance with an institutional review board approved protocol. Subjects were given 0.5 mg/kg Blue #1 enterally as an aqueous solution of diluted food coloring. Five blood specimens were drawn per subject: 0 h (before dose), 1, 2, 4, and 8 h. After plasma isolation, organic extracts were analyzed by high-performance liquid chromatography/mass spectrometry detecting the presence of unmodified dye. RESULTS We found no baseline detectable absorption in healthy volunteers. After including the subjects in the intensive care unit, we compared dye absorption in the six subjects who met criteria for septic shock with the eight who did not. Septic patients demonstrated significantly greater absorption of Blue #1 after 2 h. CONCLUSIONS We have developed a novel, easy-to-use method to measure intestinal barrier integrity using a food grade dye detectable by mass spectrometry analysis of patient blood following oral administration.
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Affiliation(s)
- Stephanie A K Angarita
- Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, California
| | - Sergio Duarte
- Dumont-UCLA Transplant Center, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, California
| | - Tara A Russell
- Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, California
| | - Piotr Ruchala
- Semel Institue for Neuroscience and Human Behavior, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, California
| | - Irmina A Elliott
- Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, California
| | - Julian P Whitelegge
- Semel Institue for Neuroscience and Human Behavior, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, California
| | - Ali Zarrinpar
- Dumont-UCLA Transplant Center, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, California.
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Vermette D, Hu P, Canarie MF, Funaro M, Glover J, Pierce RW. Tight junction structure, function, and assessment in the critically ill: a systematic review. Intensive Care Med Exp 2018; 6:37. [PMID: 30259344 PMCID: PMC6158145 DOI: 10.1186/s40635-018-0203-4] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 09/20/2018] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Epithelial and endothelial barrier integrity, essential for homeostasis, is maintained by cellular boarder structures known as tight junctions (TJs). In critical illness, TJs may become disrupted, resulting in barrier dysfunction manifesting as capillary leak, pulmonary edema, gut bacterial translocation, and multiple organ failure. We aim to provide a clinically focused overview of TJ structure and function and systematically review and analyze all studies assessing markers of endothelial and epithelial TJ breakdown correlated with clinical outcomes in critically ill humans. METHODS We systematically searched MEDLINE, EMBASE, and PubMed. Additional articles were identified by targeted searches. We included studies that looked at the relationship between biomarkers of endothelial or epithelial TJ structure or function and critical illness. Results were qualitatively analyzed due to sample size and heterogeneity. RESULTS A total of 5297 abstracts met search criteria, of which 150 articles met requirements for full text review. Of these, 30 studies met inclusion criteria. Fifteen of the 30 reports investigated proteins of endothelial tight junctions and 15 investigated epithelial TJ markers, exclusively in the gastrointestinal epithelium. No studies investigated TJ-derived proteins in primary cardiac or pulmonary pathology. CONCLUSIONS TJ integrity is essential for homeostasis. We identified multiple studies that indicate TJs are disrupted by critical illness. These studies highlight the significance of barrier disruption across many critical disease states and correlate TJ-associated markers to clinically relevant outcomes. Further study on the role of multiple tissue-specific claudins, particularly in the setting of respiratory or cardiac failure, may lead to diagnostic and therapeutic advances. SYSTEMATIC REVIEW REGISTRATION This systematic review is registered in the PROSPERO database: CRD42017074546 .
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Affiliation(s)
- David Vermette
- Department of Pediatrics, Yale University, 333 Cedar Street, PO Box 208064, New Haven, CT 06520 USA
| | - Pamela Hu
- Department of Pediatrics, Yale University, 333 Cedar Street, PO Box 208064, New Haven, CT 06520 USA
| | - Michael F Canarie
- Department of Pediatrics, Yale University, 333 Cedar Street, PO Box 208064, New Haven, CT 06520 USA
| | - Melissa Funaro
- Cushing/Whitney Medical Library, Yale University, 333 Cedar Street, PO Box 208064, New Haven, CT 06520 USA
| | - Janis Glover
- Cushing/Whitney Medical Library, Yale University, 333 Cedar Street, PO Box 208064, New Haven, CT 06520 USA
| | - Richard W Pierce
- Department of Pediatrics, Yale University, 333 Cedar Street, PO Box 208064, New Haven, CT 06520 USA
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The effect of bovine colostrum supplementation on intestinal injury and circulating intestinal bacterial DNA following exercise in the heat. Eur J Nutr 2018; 58:1441-1451. [PMID: 29574607 PMCID: PMC6561991 DOI: 10.1007/s00394-018-1670-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 03/20/2018] [Indexed: 01/07/2023]
Abstract
Purpose Exercise-induced changes in intestinal permeability are exacerbated in the heat. The aim of this study was to determine the effect of 14 days of bovine colostrum (Col) supplementation on intestinal cell damage (plasma intestinal fatty acid-binding protein, I-FABP) and bacterial translocation (plasma bacterial DNA) following exercise in the heat. Methods In a double-blind, placebo-controlled, crossover design, 12 males completed two experimental arms (14 days of 20 g/day supplementation with Col or placebo, Plac) consisting of 60 min treadmill running at 70% maximal aerobic capacity (30 °C, 60% relative humidity). Blood samples were collected pre-exercise (Pre-Ex), post-exercise (Post-Ex) and 1 h post-exercise (1 h Post-Ex) to determine plasma I-FABP concentration, and bacterial DNA (for an abundant gut species, Bacteroides). Results Two-way repeated measures ANOVA revealed an arm × time interaction for I-FABP (P = 0.005, with greater Post-Ex increase in Plac than Col, P = 0.01: Plac 407 ± 194% of Pre-Ex vs Col, 311 ± 134%) and 1 h Post-Ex (P = 0.036: Plac 265 ± 80% of Pre-Ex vs Col, 229 ± 56%). There was no interaction (P = 0.904) but there was a main effect of arm (P = 0.046) for plasma Bacteroides/total bacterial DNA, with lower overall levels evident in Col. Conclusion This is the first investigation to demonstrate that Col can be effective at reducing intestinal injury following exercise in the heat, but exercise responses (temporal pattern) of bacterial DNA were not influenced by Col (although overall levels may be lower).
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18
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Schellekens DHSM, Hundscheid IHR, Leenarts CAJI, Grootjans J, Lenaerts K, Buurman WA, Dejong CHC, Derikx JPM. Human small intestine is capable of restoring barrier function after short ischemic periods. World J Gastroenterol 2017; 23:8452-8464. [PMID: 29358855 PMCID: PMC5752707 DOI: 10.3748/wjg.v23.i48.8452] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 08/08/2017] [Accepted: 08/15/2017] [Indexed: 02/06/2023] Open
Abstract
AIM To assess intestinal barrier function during human intestinal ischemia and reperfusion (IR).
METHODS In a human experimental model, 6 cm of jejunum was selectively exposed to 30 min of ischemia (I) followed by 30 and 120 min of reperfusion (R). A sham procedure was also performed. Blood and tissue was sampled at all-time points. Functional barrier function was assessed using dual-sugar absorption tests with lactulose (L) and rhamnose (R). Plasma concentrations of citrulline, an amino acid described as marker for enterocyte function were measured as marker of metabolic enterocytes restoration. Damage to the epithelial lining was assessed by immunohistochemistry for tight junctions (TJs), by plasma marker for enterocytes damage (I-FABP) and analyzed by electron microscopy (EM) using lanthanum nitrate as an electrondense marker.
RESULTS Plasma L/R ratio’s were significantly increased after 30 min of ischemia (30I) followed by 30 min of reperfusion (30R) compared to control (0.75 ± 0.10 vs 0.20 ± 0.09, P < 0.05). At 120 min of reperfusion (120R), ratio’s normalized (0.17 ± 0.06) and were not significantly different from control. Plasma levels of I-FABP correlated with plasma L/R ratios measured at the same time points (correlation: 0.467, P < 0.01). TJs staining shows distortion of staining at 30I. An intact lining of TJs was again observed at 30I120R. Electron microscopy analysis revealed disrupted TJs after 30I with paracellular leakage of lanthanum nitrate, which restored after 30I120R. Furthermore, citrulline concentrations closely paralleled the histological perturbations during intestinal IR.
CONCLUSION This study directly correlates histological data with intestinal permeability tests, revealing that the human gut has the ability of to withstand short episodes of ischemia, with morphological and functional recovery of the intestinal barrier within 120 min of reperfusion.
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Affiliation(s)
- Dirk HSM Schellekens
- Department of Surgery, Maastricht University Medical Center, Maastricht 6200 MD, the Netherlands
- NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht 6200 MD, the Netherlands
| | - Inca HR Hundscheid
- Department of Surgery, Maastricht University Medical Center, Maastricht 6200 MD, the Netherlands
- NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht 6200 MD, the Netherlands
| | - Claire AJI Leenarts
- Department of Surgery, Maastricht University Medical Center, Maastricht 6200 MD, the Netherlands
- NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht 6200 MD, the Netherlands
| | - Joep Grootjans
- NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht 6200 MD, the Netherlands
- Department of Gastroenterology, Academic Medical Center, Amsterdam 1105 AZ, the Netherlands
| | - Kaatje Lenaerts
- Department of Surgery, Maastricht University Medical Center, Maastricht 6200 MD, the Netherlands
- NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht 6200 MD, the Netherlands
| | - Wim A Buurman
- NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht 6200 MD, the Netherlands
- MHeNs School of Mental Health and Neuroscience, Maastricht University Medical Center, Maastricht 6200 MD, the Netherlands
| | - Cornelis HC Dejong
- Department of Surgery, Maastricht University Medical Center, Maastricht 6200 MD, the Netherlands
- NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht 6200 MD, the Netherlands
| | - Joep PM Derikx
- Department of Surgery, Maastricht University Medical Center, Maastricht 6200 MD, the Netherlands
- NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht 6200 MD, the Netherlands
- Pediatric Surgical Center of Amsterdam, Emma Children's Hospital Academic Medical Center and VU University Medical Center, Amsterdam 1100 DE, the Netherlands
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Reisinger KW, Willigers HM, Jansen J, Buurman WA, Von Meyenfeldt MF, Beets GL, Poeze M. Doppler-guided goal-directed fluid therapy does not affect intestinal cell damage but increases global gastrointestinal perfusion in colorectal surgery: a randomized controlled trial. Colorectal Dis 2017; 19:1081-1091. [PMID: 29028286 DOI: 10.1111/codi.13923] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Accepted: 05/17/2017] [Indexed: 01/13/2023]
Abstract
AIM Individualized, goal-directed fluid therapy (GDFT), based on Doppler measurements of stroke volume, has been proposed as a treatment strategy in terms of reducing complications, mortality and length of hospital stay in major bowel surgery. We studied the effect of Doppler-guided GDFT on intestinal damage as compared with standard postoperative fluid replacement. METHOD Patients undergoing elective colorectal resection for malignancy were randomized either to standard intra- and postoperative fluid therapy or to standard fluid therapy with additional Doppler-guided GDFT. The primary outcome was intestinal epithelial cell damage measured by plasma levels of intestinal fatty acid-binding protein (I-FABP). Global gastrointestinal perfusion was measured by gastric tonometry, expressed as regional (gastric) minus arterial CO2 -gap (Pr-a CO2 -gap). RESULTS I-FABP levels were not significantly different between the intervention group and the control group (respectively, 440.8 (251.6) pg/ml and 522.4 (759.9) pg/ml, P = 0.67). Mean areas under the curve (AUCs) of intra-operative Pr-a CO2 -gaps were significantly lower in the intervention group than in the control group (P = 0.01), indicating better global gastrointestinal perfusion in the intervention group. Moreover, the mean intra-operative Pr-a CO2 -gap peak in the intervention group was 0.5 (1.0) kPa, which was significantly lower than the mean peak in the control group, of 1.4 (1.4) kPa (P = 0.03). CONCLUSION Doppler-guided GDFT during and in the first hours after elective colorectal surgery for malignancy increases global gastrointestinal perfusion, as measured by Pr-a CO2 -gap.
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Affiliation(s)
- K W Reisinger
- Department of Surgery, Maastricht University Medical Center & Nutrim School for Nutrition, Toxicology and Metabolism, Maastricht University, Maastricht, the Netherlands
| | - H M Willigers
- Department of Anaesthesiology, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - J Jansen
- Department of Anaesthesiology, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - W A Buurman
- School for Mental Health and Neuroscience (MHeNS), Maastricht University Medical Centre, Maastricht, the Netherlands
| | - M F Von Meyenfeldt
- Department of Surgery, Maastricht University Medical Center & Nutrim School for Nutrition, Toxicology and Metabolism, Maastricht University, Maastricht, the Netherlands
| | - G L Beets
- Department of Surgery, Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands
| | - M Poeze
- Department of Surgery, Maastricht University Medical Center & Nutrim School for Nutrition, Toxicology and Metabolism, Maastricht University, Maastricht, the Netherlands
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Barbeiro HV, Machado MAC, de Souza HP, da Silva FP, Machado MCC. Reduction of venous pressure during the resection of liver metastases compromises enteric blood flow: IGFBP-1 as a novel biomarker of intestinal barrier injury. Clinics (Sao Paulo) 2017; 72:645-648. [PMID: 29160429 PMCID: PMC5666439 DOI: 10.6061/clinics/2017(10)10] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 07/12/2017] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVES Disruption of the intestinal barrier and bacterial translocation commonly occur when intestinal blood flow is compromised. The aim of this study was to determine whether liver resection induces intestinal damage. METHODS We investigated intestinal fatty-acid binding protein and insulin-like growth factor binding protein levels in the plasma of patients who underwent liver resection. RESULTS We show that liver resection is associated with significant intestinal barrier injury, even if the Pringle maneuver is not performed. CONCLUSION We propose the use of insulin-like growth factor binding protein-1 as a novel biomarker of intestinal damage in such situations.
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Affiliation(s)
- Hermes Vieira Barbeiro
- Departamento de Emergencias Clinicas, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | | | - Heraldo Possolo de Souza
- Departamento de Emergencias Clinicas, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Fabiano Pinheiro da Silva
- Departamento de Emergencias Clinicas, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Marcel Cerqueira César Machado
- Departamento de Emergencias Clinicas, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, BR
- Hospital Sirio Libanes, Sao Paulo, SP, BR
- *Corresponding author. E-mail:
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Circulating intestinal fatty acid-binding protein (I-FABP) levels in acute decompensated heart failure. Clin Biochem 2017; 50:491-495. [PMID: 28232029 DOI: 10.1016/j.clinbiochem.2017.02.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Revised: 02/17/2017] [Accepted: 02/18/2017] [Indexed: 01/10/2023]
Abstract
BACKGROUND Venous congestion has become increasingly recognized as a potential contributor to end-organ dysfunction in heart failure. Elevated I-FABP, which is excreted specifically from damaged intestinal epithelial cells, has been found in patients with abdominal hypertension and intestinal ischemia. We hypothesize that elevated intestinal fatty acid-binding protein (I-FABP) levels would identify patients with more advanced heart failure who have venous and intestinal congestion. METHODS Baseline serum I-FABP levels were measured in 69 acute decompensated heart failure (ADHF) patients admitted to the intensive care unit for invasive hemodynamic monitoring and tailored medical therapy. Comprehensive echocardiography examinations were performed in all study patients, and clinical outcomes (death, cardiac transplant or left ventricular assist device placement) were assessed. RESULTS The median circulating I-FABP level was 853pg/ml (interquartile range: 533 to 1448pg/ml). Age, gender, race, and baseline comorbidities were comparable between patients with low and high I-FABP levels. Although there were no significant correlations between I-FABP levels and invasively-measured hemodynamic parameters nor echocardiographic parameters, patients with higher I-FABP levels (≥853g/ml) had significantly worse clinical outcomes compared to those with lower I-FABP levels (<853pg/ml, P=0.025). CONCLUSION Circulating I-FABP levels had no association with invasively-measured hemodynamic parameters, but were associated with adverse clinical outcomes in patients with ADHF with systolic dysfunction.
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Abstract
PURPOSE OF REVIEW Gut barrier failure is associated with bacterial translocation, systemic inflammation, and is presumed to be associated with the development of multiple organ dysfunction syndrome. As the gut barrier function is carried out by a monolayer of enterocytes, a minimum requirement is the integrity of the enterocytes, and controlled paracellular permeability between adjacent enterocytes. Many factors can cause critically ill patients to lose gut barrier function by a mechanism of enterocyte damage; for example, small bowel ischemia or hypoxia, sepsis, systemic inflammatory response syndrome, or absence of enteral feeding. RECENT FINDINGS Two enterocyte biomarkers may help the intensivist to identify enterocyte damage and dysfunction, namely plasma citrulline, a biomarker of functional enterocyte mass, and plasma or urinary intestinal fatty acid-binding protein, a marker of enterocyte damage. This review focuses on results obtained with these biomarkers in the context of critical care, in particular: prevalence of enterocyte biomarker abnormalities; mechanisms associated with enterocyte damage and dysfunction; link with systemic inflammation, bacterial translocation, and clinical intestinal dysfunction; prognostic value of enterocyte biomarkers. Lastly, we also review the limits of these biomarkers. SUMMARY Enterocyte biomarkers may help the intensivist to identify patients presenting with intestinal damage, and who are at risk of bacterial translocation and systemic inflammatory response syndrome, as well as those with decreased enterocyte function, at risk of malabsorption. Enterocyte biomarkers should be interpreted with caution in the critically ill and should be interpreted within the overall clinical context of the patient.
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Kano H, Takahashi H, Inoue T, Tanaka H, Okita Y. Transition of intestinal fatty acid-binding protein on hypothermic circulatory arrest with cardiopulmonary bypass. Perfusion 2016; 32:200-205. [DOI: 10.1177/0267659116667807] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Introduction: Intestinal fatty acid-binding protein (I-FABP) is increasingly employed as a highly specific marker of intestinal necrosis. However, the value of this marker associated with cardiovascular surgery with hypothermic circulatory arrest is unclear. The aim of this study was to measure serum I-FABP levels and provide the transition of I-FABP levels with hypothermic circulatory arrest to help in the management of intestinal perfusion. Methods: From August 2011 to September 2013, 33 consecutive patients who had aortic arch surgery with hypothermic circulatory arrest or heart valve surgery performed were enrolled in the study. Twenty patients had aortic surgery with hypothermic (23-29°C) circulatory arrest and 13 patients had heart valve surgery with cardiopulmonary bypass (33°C). Results: I-FABP levels increased, both in patients undergoing aortic surgery with hypothermic circulatory arrest and heart valve surgery with cardiopulmonary bypass, reaching peak levels shortly after the administration of protamine. I-FABP levels in patients with aortic surgery were significantly higher with circulatory arrest. They reached peak levels immediately after recirculation and there was a significant drop at the end of surgery (p<0.001). I-FABP levels in heart valve surgery were gradually increased, with the highest at the administration of protamine; they gradually decreased. Peak I-FABP levels were significantly higher in patients undergoing aortic surgery with hypothermic circulatory arrest than in patients with heart valve surgery. However, no postoperative reperfusion injury occurred in the intestinal tract due to the use of hypothermic organ protection. Conclusion: Plasma I-FABP monitoring could be a valuable method for finding an intestinal ischemia in patients with cardiovascular surgery.
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Affiliation(s)
- Hiroya Kano
- Clinical Engineering, Akashi Medical Center, Akashi, Japan
| | - Hiroaki Takahashi
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takeshi Inoue
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroshi Tanaka
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yutaka Okita
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
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de Jong PR, González-Navajas JM, Jansen NJG. The digestive tract as the origin of systemic inflammation. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2016; 20:279. [PMID: 27751165 PMCID: PMC5067918 DOI: 10.1186/s13054-016-1458-3] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Failure of gut homeostasis is an important factor in the pathogenesis and progression of systemic inflammation, which can culminate in multiple organ failure and fatality. Pathogenic events in critically ill patients include mesenteric hypoperfusion, dysregulation of gut motility, and failure of the gut barrier with resultant translocation of luminal substrates. This is followed by the exacerbation of local and systemic immune responses. All these events can contribute to pathogenic crosstalk between the gut, circulating cells, and other organs like the liver, pancreas, and lungs. Here we review recent insights into the identity of the cellular and biochemical players from the gut that have key roles in the pathogenic turn of events in these organ systems that derange the systemic inflammatory homeostasis. In particular, we discuss the dangers from within the gastrointestinal tract, including metabolic products from the liver (bile acids), digestive enzymes produced by the pancreas, and inflammatory components of the mesenteric lymph.
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Affiliation(s)
- Petrus R de Jong
- Department of Pediatric Intensive Care, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands. .,Sanford Burnham Prebys Medical Discovery Institute, 10901 N Torrey Pines Rd, La Jolla, CA, 92037, USA.
| | - José M González-Navajas
- Networked Biomedical Research Center for Hepatic and Digestive Diseases (CIBERehd), Hospital General Universitario de Alicante, Alicante, Spain.,Alicante Institute of Health and Biomedical Research (ISABIAL - FISABIO Foundation), Alicante, Spain
| | - Nicolaas J G Jansen
- Department of Pediatric Intensive Care, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands
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Julio-Pieper M, Bravo JA. Intestinal Barrier and Behavior. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2016; 131:127-141. [PMID: 27793215 DOI: 10.1016/bs.irn.2016.08.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The intestinal barrier function contributes to gut homeostasis by modulating absorption of water, electrolytes, and nutrients from the lumen into the circulation while restricting the passage of noxious luminal substances and microorganisms. Chronic conditions such as rheumatoid arthritis, inflammatory bowel disease, and celiac disease are associated to intestinal barrier dysfunction. Here, the hypothesis is that a leaky intestinal wall allowing for indiscriminate passage of intraluminal compounds to the vascular compartment could in turn lead to systemic inflammation. An increasing number of studies are now investigating the association between gut permeability and CNS disorders, under the premise that translocation of intestinal luminal contents could affect CNS function, either directly or indirectly. Still, it is unknown whether disruption of intestinal barrier is a causative agent or a consequence in these situations. Here, we discuss the latest evidence pointing to an association between increased gut permeability and disrupted behavioral responses.
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Affiliation(s)
- M Julio-Pieper
- Grupo de NeuroGastroBioquímica, Instituto de Química, Facultad de Ciencias, Pontificia Universidad Católica de, Valparaíso, Chile.
| | - J A Bravo
- Grupo de NeuroGastroBioquímica, Instituto de Química, Facultad de Ciencias, Pontificia Universidad Católica de, Valparaíso, Chile.
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Hovens IB, van Leeuwen BL, Mariani MA, Kraneveld AD, Schoemaker RG. Postoperative cognitive dysfunction and neuroinflammation; Cardiac surgery and abdominal surgery are not the same. Brain Behav Immun 2016; 54:178-193. [PMID: 26867718 DOI: 10.1016/j.bbi.2016.02.003] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Revised: 01/25/2016] [Accepted: 02/07/2016] [Indexed: 12/21/2022] Open
Abstract
Postoperative cognitive dysfunction (POCD) is a debilitating surgical complication, with cardiac surgery patients at particular risk. To gain insight in the mechanisms underlying the higher incidence of POCD after cardiac versus non-cardiac surgery, systemic and central inflammatory changes, alterations in intraneuronal pathways, and cognitive performance were studied after cardiac and abdominal surgery in rats. Male Wistar rats were subjected to ischemia reperfusion of the upper mesenteric artery (abdominal surgery) or the left coronary artery (cardiac surgery). Control rats remained naïve, received anesthesia only, or received thoracic sham surgery. Rats were subjected to affective and cognitive behavioral tests in postoperative week 2. Plasma concentrations of inflammatory factors, and markers for neuroinflammation (NGAL and microglial activity) and the BDNF pathway (BDNF, p38MAPK and DCX) were determined. Spatial memory was impaired after both abdominal and cardiac surgery, but only cardiac surgery impaired spatial learning and object recognition. While all surgical procedures elicited a pronounced acute systemic inflammatory response, NGAL and TNFα levels were particularly increased after abdominal surgery. Conversely, NGAL in plasma and the paraventricular nucleus of the hypothalamus and microglial activity in hippocampus and prefrontal cortex on postoperative day 14 were increased after cardiac, but not abdominal surgery. Both surgery types induced hippocampal alterations in BDNF signaling. These results suggest that POCD after cardiac surgery, compared to non-cardiac surgery, affects different cognitive domains and hence may be more extended rather than more severe. Moreover, while abdominal surgery effects seem limited to hippocampal brain regions, cardiac surgery seems associated with more wide spread alterations in the brain.
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Affiliation(s)
- Iris B Hovens
- Department of Molecular Neurobiology, University of Groningen, Nijenborgh 7, 9747 AG Groningen, The Netherlands; Department of Surgery and Surgical Oncology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands.
| | - Barbara L van Leeuwen
- Department of Surgery and Surgical Oncology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Massimo A Mariani
- Department of Cardio-Thoracic Surgery, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Aletta D Kraneveld
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - Regien G Schoemaker
- Department of Molecular Neurobiology, University of Groningen, Nijenborgh 7, 9747 AG Groningen, The Netherlands; Department of Cardiology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
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Coufal S, Kokesova A, Tlaskalova-Hogenova H, Snajdauf J, Rygl M, Kverka M. Urinary Intestinal Fatty Acid-Binding Protein Can Distinguish Necrotizing Enterocolitis from Sepsis in Early Stage of the Disease. J Immunol Res 2016; 2016:5727312. [PMID: 27110575 PMCID: PMC4823515 DOI: 10.1155/2016/5727312] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Accepted: 03/10/2016] [Indexed: 12/20/2022] Open
Abstract
Necrotizing enterocolitis (NEC) is severe disease of gastrointestinal tract, yet its early symptoms are nonspecific, easily interchangeable with sepsis. Therefore, reliable biomarkers for early diagnostics are needed in clinical practice. Here, we analyzed if markers of gut mucosa damage, caspase cleaved cytokeratin 18 (ccCK18) and intestinal fatty acid-binding protein (I-FABP), could be used for differential diagnostics of NEC at early stage of disease. We collected paired serum (at enrollment and week later) and urine (collected for two days in 6 h intervals) samples from 42 patients with suspected NEC. These patients were later divided into NEC (n = 24), including 13 after gastrointestinal surgery, and sepsis (n = 18) groups using standard criteria. Healthy infants (n = 12), without any previous gut surgery, served as controls. Both biomarkers were measured by a commercial ELISA assay. There were no statistically significant differences in serum ccCK18 between NEC and sepsis but NEC patients had significantly higher levels of serum and urinary I-FABP than either sepsis patients or healthy infants. Urinary I-FABP has high sensitivity (81%) and specificity (100%) and can even distinguish NEC from sepsis in patients after surgery. Urinary I-FABP can be used to distinguish NEC from neonatal sepsis, including postoperative one, better than abdominal X-ray.
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Affiliation(s)
- Stepan Coufal
- Faculty of Science, Charles University in Prague, 128 43 Prague 2, Czech Republic
- Institute of Microbiology of The Czech Academy of Sciences, v.v.i., 142 20 Prague 4, Czech Republic
| | - Alena Kokesova
- Department of Pediatric Surgery, 2nd Faculty of Medicine, Charles University in Prague and Motol University Hospital, 150 06 Prague 5, Czech Republic
| | | | - Jiri Snajdauf
- Department of Pediatric Surgery, 2nd Faculty of Medicine, Charles University in Prague and Motol University Hospital, 150 06 Prague 5, Czech Republic
| | - Michal Rygl
- Department of Pediatric Surgery, 2nd Faculty of Medicine, Charles University in Prague and Motol University Hospital, 150 06 Prague 5, Czech Republic
| | - Miloslav Kverka
- Institute of Microbiology of The Czech Academy of Sciences, v.v.i., 142 20 Prague 4, Czech Republic
- Institute of Experimental Medicine of The Czech Academy of Sciences, v.v.i., 142 20 Prague 4, Czech Republic
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Intestinal Permeability in Inflammatory Bowel Disease: Pathogenesis, Clinical Evaluation, and Therapy of Leaky Gut. Mediators Inflamm 2015; 2015:628157. [PMID: 26582965 PMCID: PMC4637104 DOI: 10.1155/2015/628157] [Citation(s) in RCA: 420] [Impact Index Per Article: 46.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Accepted: 09/21/2015] [Indexed: 12/13/2022] Open
Abstract
The pathogenesis of inflammatory bowel disease (IBD) is multifactorial with data suggesting the role of a disturbed interaction between the gut and the intestinal microbiota. A defective mucosal barrier may result in increased intestinal permeability which promotes the exposition to luminal content and triggers an immunological response that promotes intestinal inflammation. IBD patients display several defects in the many specialized components of mucosal barrier, from the mucus layer composition to the adhesion molecules that regulate paracellular permeability. These alterations may represent a primary dysfunction in Crohn's disease, but they may also perpetuate chronic mucosal inflammation in ulcerative colitis. In clinical practice, several studies have documented that changes in intestinal permeability can predict IBD course. Functional tests, such as the sugar absorption tests or the novel imaging technique using confocal laser endomicroscopy, allow an in vivo assessment of gut barrier integrity. Antitumor necrosis factor-α (TNF-α) therapy reduces mucosal inflammation and restores intestinal permeability in IBD patients. Butyrate, zinc, and some probiotics also ameliorate mucosal barrier dysfunction but their use is still limited and further studies are needed before considering permeability manipulation as a therapeutic target in IBD.
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Dimitroulis D, Moris D, Pikoulis E, Spartalis E, Kontadakis G, Vrugt B, Valsami S, Kouraklis G. Variable Pringle Maneuvers and Effect on Intestinal Epithelium in Rats. A Pilot Experimental Study in Rats. PLoS One 2015; 10:e0140707. [PMID: 26496481 PMCID: PMC4619866 DOI: 10.1371/journal.pone.0140707] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 09/28/2015] [Indexed: 02/07/2023] Open
Abstract
Background It is observed that combined liver and colon surgery especially when this includes major liver resection with Pringle maneuver (PM) performance does not have a favorable outcome. Aim of our experimental study is to investigate the impact of portal triad occlusion on the large bowel and intra-abdominal inflammation and potent protective effects of the variants of (PM) in the combined surgical cases. Materials and Methods Forty-four rats were divided into four groups. In group A (control group), 1cm of the left partial colon was resected and then an end-to-end anastomosis was performed. In group B, a continuous PM for 30 minutes was performed followed by resection of 1cm of the left colon and an end-to-end anastomosis. In group C, the left colonic resection and anastomosis was performed after intermittent PM (IPM), which was 10 minutes PM followed by 5 minutes reperfusion repeated for three circles. In group D, an ischemic preconditioning for 10 minutes was initially performed followed by 5 minutes reperfusion and then continuous PM for 30 minutes. Finally the rats in group D underwent a 1cm left colonic resection and an end-to-end anastomosis. Results The percentage of colitis was higher in the B group (P = 0,19). The percentage of inflammation was not significantly higher even when we compared all “occlusion” groups (B+C+D) with the sham group. No evidence of pancreatitis was found in the sham group whereas amylase and lipase levels were higher in Groups B, C and D together (P = 0,0267). The comparison of group A to group B showed a significant difference (P = 0,0014) caused by continuous PM for 30 minutes, but there was no such result after IPM. Conclusions Major liver resections are performed with PM in order to minimize intra-operative blood loss. In the combined cases of colon surgery and major liver resections where PM is needed our results showed that IPM presents with better outcome and could be preferred compared with the other PM variants.
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Affiliation(s)
- Dimitrios Dimitroulis
- Second Department of Propedeutic Surgery, "Laikon" General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Demetrios Moris
- First Department of Surgery, "Laikon" General Hospital, National and Kapodistrian University of Athens, Athens, Greece
- * E-mail:
| | - Emmanouil Pikoulis
- First Department of Surgery, "Laikon" General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Eleftherios Spartalis
- Second Department of Propedeutic Surgery, "Laikon" General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Georgios Kontadakis
- Second Department of Propedeutic Surgery, "Laikon" General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Bart Vrugt
- Laboratory of Molecular Oncology, Clinic of Oncology, University Hospital Zürich, Zürich, Switzerland
| | - Serena Valsami
- Second Department of Propedeutic Surgery, "Laikon" General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Gregory Kouraklis
- Second Department of Propedeutic Surgery, "Laikon" General Hospital, National and Kapodistrian University of Athens, Athens, Greece
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Ren W, Wang X, Zhang A, Li C, Chen G, Ge X, Pan K, Dong JH. Selective bowel decontamination improves the survival of 90% hepatectomy in rats. J Surg Res 2015; 195:454-64. [DOI: 10.1016/j.jss.2015.01.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2014] [Revised: 12/12/2014] [Accepted: 01/13/2015] [Indexed: 12/23/2022]
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Bingold TM, Franck K, Holzer K, Zacharowski K, Bechstein WO, Wissing H, Scheller B. Intestinal Fatty Acid Binding Protein: A Sensitive Marker in Abdominal Surgery and Abdominal Infection. Surg Infect (Larchmt) 2015; 16:247-53. [PMID: 25831240 DOI: 10.1089/sur.2014.073] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Intestinal fatty acid binding protein (iFABP) is elevated in plasma by intestinal injury. We investigated the influence of surgical trauma and severe sepsis caused by abdominal and pulmonary infection on plasma iFABP concentrations. METHODS Seventy-nine patients were included in this prospective observational study: 31 patients before elective major abdominal surgery (EMS), 33 patients with severe sepsis on admission to the intensive care unit (ICU), and 15 healthy volunteers who served as controls. Blood samples were taken before and after surgery for a period up to 5 d. RESULTS Prior to surgery, EMS patients had increased iFABP concentrations in those patients with intestinal cancer compared with patients without intestinal cancer (217 pg/mL, interquartile range [IQR] I-III 100-369 pg/mL versus 79 pg/mL, IQR I-III: 0-182 pg/mL; p<0.01) and with controls (114 pg/mL, IQR I-III: 103-124 pg/mL; p<0.01). Surgical trauma increased iFABP levels in patients without intestinal cancer (240 pg/mL, IQR I-III 111-305 pg/mL; p<0.01). Within 24 h after surgery, iFABP levels decreased to normal values. Patients with severe sepsis of abdominal origin had elevated concentrations compared with controls (324 pg/mL [IQR I-III 0-649 pg/mL]; p=0.05); in patients with pneumonia, iFABP levels were not significantly increased. Discrimination between intestinal- and pulmonary-induced sepsis was low (area under the curve [AUC] 0.693; 95% confidence interval 0.512-0.874). CONCLUSIONS Surgical trauma and severe sepsis lead to elevated iFABP concentrations. However, intestinal malignant disease and in some patients severe sepsis caused by pneumonia also resulted in elevated iFABP concentrations. The results support the idea that epithelial injury of many causes leads to elevated concentrations of iFABP. The value of iFABP for differentiating pulmonary from intestinal sepsis is limited.
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Affiliation(s)
- Tobias M Bingold
- 1Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Frankfurt, Germany
| | - Katharina Franck
- 2Department of Haematology/Oncology, University Hospital Grosshadern, University of Munich, Munich, Germany
| | - Katharina Holzer
- 3Department of General and Visceral Surgery, University Hospital Frankfurt, Frankfurt, Germany
| | - Kai Zacharowski
- 1Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Frankfurt, Germany
| | - Wolf O Bechstein
- 3Department of General and Visceral Surgery, University Hospital Frankfurt, Frankfurt, Germany
| | - Heimo Wissing
- 4Department of Anesthesiology, Clinic for Plastic and Aesthetic Surgery, Heidelberg Proaesthetic GmbH, Heidelberg, Germany
| | - Bertram Scheller
- 1Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Frankfurt, Germany
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Strang SG, Van Waes OJF, Van der Hoven B, Ali S, Verhofstad MHJ, Pickkers P, Van Lieshout EMM. Intestinal fatty acid binding protein as a marker for intra-abdominal pressure-related complications in patients admitted to the intensive care unit; study protocol for a prospective cohort study (I-Fabulous study). Scand J Trauma Resusc Emerg Med 2015; 23:6. [PMID: 25591785 PMCID: PMC4324026 DOI: 10.1186/s13049-015-0088-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Accepted: 01/05/2015] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND Intra-abdominal hypertension (IAH) and abdominal compartment syndrome (ACS) have detrimental effects on all organ systems and are associated with increased morbidity and mortality in critically ill patients admitted to an intensive care unit. Intra-bladder measurement of the intra-abdominal pressure (IAP) is currently the gold standard. However, IAH is not always indicative of intestinal ischemia, which is an early and rapidly developing complication. Sensitive biomarkers for intestinal ischemia are needed to be able to intervene before damage becomes irreversible. Gut wall integrity loss, including epithelial cell disruption and tight junctions breakdown, is an early event in intestinal damage. Intestinal Fatty Acid Binding Protein (I-FABP) is excreted in urine and blood specifically from damaged intestinal epithelial cells. Claudin-3 is a specific protein which is excreted in urine following disruption of intercellular tight junctions. This study aims to investigate if I-FABP and Claudin-3 can be used as a diagnostic tool for identifying patients at risk for IAP-related complications. METHODS/DESIGN In a multicenter, prospective cohort study 200 adult patients admitted to the intensive care unit with at least two risk factors for IAH as defined by the World Society of the Abdominal Compartment Syndrome (WSACS) will be included. Patients in whom an intra-bladder IAP measurement is contra-indicated or impossible and patients with inflammatory bowel diseases that may affect I-FABP levels will be excluded. The IAP will be measured using an intra-bladder technique. During the subsequent 72 hours, the IAP measurement will be repeated every six hours. At these time points, a urine and serum sample will be collected for measurement of I-FABP and Claudin-3 levels. Clinical outcome of patients during their stay at the intensive care unit will be monitored using the Sequential Organ Failure Assessment (SOFA) score. DISCUSSION Successful completion of this trial will provide evidence on the eventual role of the biomarkers I-FABP and Claudin-3 in predicting the risk of IAP-associated adverse outcome. This may aid early (surgical) intervention. TRIAL REGISTRATION The trial is registered at the Netherlands Trial Register (NTR4638).
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Clinical characteristics associated with postoperative intestinal epithelial barrier dysfunction in children with congenital heart disease. Pediatr Crit Care Med 2015; 16:37-44. [PMID: 25162512 PMCID: PMC4286428 DOI: 10.1097/pcc.0000000000000256] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
OBJECTIVE Children with congenital heart disease have loss of intestinal epithelial barrier function, which increases their risk for postoperative sepsis and organ dysfunction. We do not understand how postoperative cardiopulmonary support or the inflammatory response to cardiopulmonary bypass might alter intestinal epithelial barrier function. We examined variation in a panel of plasma biomarkers to reflect intestinal epithelial barrier function (cellular and paracellular) after cardiopulmonary bypass and in response to routine ICU care. DESIGN Prospective cohort. SETTING University medical center cardiac ICU. PATIENTS Twenty children aged between newborn and 18 years undergoing repair or palliation of congenital heart disease with cardiopulmonary bypass. INTERVENTIONS We measured baseline and repeated plasma intestinal fatty acid-binding protein, citrulline, claudin 3, and dual sugar permeability testing to reflect intestinal epithelial integrity, epithelial function, paracellular integrity, and paracellular function, respectively. We measured baseline and repeated plasma proinflammatory (interleukin-6, tumor necrosis factor-α, and interferon-γ) and anti-inflammatory (interleukin-4 and interleukin-10) cytokines, known to modulate intestinal epithelial barrier function in murine models of cardiopulmonary bypass. MEASUREMENTS AND MAIN RESULTS All patients had abnormal baseline intestinal fatty acid-binding protein concentrations (mean, 3,815.5 pg/mL; normal, 41-336 pg/mL). Cytokine response to cardiopulmonary bypass was associated with early, but not late, changes in plasma concentrations of intestinal fatty acid-binding protein 2 and citrulline. Variation in biomarker concentrations over time was associated with aspects of ICU care indicating greater severity of illness: claudin 3, intestinal fatty acid-binding protein 2, and dual sugar permeability test ratio were associated with symptoms of feeding intolerance (p < 0.05), whereas intestinal fatty acid-binding protein was positively associated with vasoactive-inotrope score (p = 0.04). Citrulline was associated with larger arteriovenous oxygen saturation difference (p = 0.04) and had a complex relationship with vasoactive-inotrope score. CONCLUSIONS Children undergoing cardiopulmonary bypass for repair or palliation of congenital heart disease are at risk for intestinal injury and often present with evidence for loss of intestinal epithelial integrity preoperatively. Greater severity of illness requiring increased cardiopulmonary support rather than the inflammatory response to cardiopulmonary bypass seems to mediate late postoperative intestinal epithelial barrier function.
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Kano H, Okada K, Morimoto K, Bao W, Fukase K, Ito A, Okita Y. Prediction of reversibility of intestinal mucosal damage after ischemia-reperfusion injury by plasma intestinal fatty acid-binding protein levels in pigs. Perfusion 2014; 30:617-25. [DOI: 10.1177/0267659114566063] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Objective: The aims of this study were to elucidate the association between plasma intestinal fatty acid-binding protein (I-FABP) level and actual pathological damage of intestinal mucosa and its reversibility. Methods: An intestinal ischemia-reperfusion model was created by temporary occlusion of the descending aorta in 9 pigs which were divided into 3 groups according to the duration of visceral ischemic insult: 15-minute ischemia (n=3), 30-minute ischemia (n=3) and 60-minute ischemia (n=3). Blood samples and short segments of the jejunum for pathological examinations, including immunohistochemical staining of I-FABP, Ki-67 and E-cadherin, were taken at the beginning of the operation (T1) and 15 minutes (T2), 30 minutes (T3), 45 minutes (T4) and 60 minutes (T5) after reperfusion. Results: Plasma I-FABP after 15 minutes of ischemia reached a peak of 1859±1089 pg/ml at T3, while the level after 30 minutes of ischemia achieved a peak level of 5053±1717 pg/ml at T5. The level after 60 minutes of ischemia demonstrated a rapid increment up to 10734±93 pg/ml at T3. There was a significant difference in the trend of plasma I-FABP levels between 30 minutes and 60 minutes of ischemia (p=0.01). The strongest immunohistochemical staining of the intestinal epithelium for I-FABP was observed at T4 after 30 minutes of ischemia, with the shedding of injured epithelium followed by re-epithelialisation, with sequential up-regulation of Ki67 and E-cadherin. However, the intestinal epithelium after 60 minutes of ischemia demonstrated the lack of I-FABP expression with irreversible damage. Conclusion: Plasma I-FABP levels may be a crucial marker to recognize the reversibility of damage of the intestinal epithelium after an ischemic insult and the level of 5000 pg/ml is considered to be the critical borderline for irreversibility, which might prevent diagnostic delay in the clinical setting.
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Affiliation(s)
- H Kano
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - K Okada
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - K Morimoto
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - W Bao
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - K Fukase
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - A Ito
- Department of Pathology, Kinki University Faculty of Medicine, Osaka, Japan
| | - Y Okita
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
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Intestinal permeability--a new target for disease prevention and therapy. BMC Gastroenterol 2014; 14:189. [PMID: 25407511 PMCID: PMC4253991 DOI: 10.1186/s12876-014-0189-7] [Citation(s) in RCA: 1084] [Impact Index Per Article: 108.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2013] [Accepted: 10/17/2014] [Indexed: 02/06/2023] Open
Abstract
Data are accumulating that emphasize the important role of the intestinal barrier and intestinal permeability for health and disease. However, these terms are poorly defined, their assessment is a matter of debate, and their clinical significance is not clearly established. In the present review, current knowledge on mucosal barrier and its role in disease prevention and therapy is summarized. First, the relevant terms 'intestinal barrier' and 'intestinal permeability' are defined. Secondly, the key element of the intestinal barrier affecting permeability are described. This barrier represents a huge mucosal surface, where billions of bacteria face the largest immune system of our body. On the one hand, an intact intestinal barrier protects the human organism against invasion of microorganisms and toxins, on the other hand, this barrier must be open to absorb essential fluids and nutrients. Such opposing goals are achieved by a complex anatomical and functional structure the intestinal barrier consists of, the functional status of which is described by 'intestinal permeability'. Third, the regulation of intestinal permeability by diet and bacteria is depicted. In particular, potential barrier disruptors such as hypoperfusion of the gut, infections and toxins, but also selected over-dosed nutrients, drugs, and other lifestyle factors have to be considered. In the fourth part, the means to assess intestinal permeability are presented and critically discussed. The means vary enormously and probably assess different functional components of the barrier. The barrier assessments are further hindered by the natural variability of this functional entity depending on species and genes as well as on diet and other environmental factors. In the final part, we discuss selected diseases associated with increased intestinal permeability such as critically illness, inflammatory bowel diseases, celiac disease, food allergy, irritable bowel syndrome, and--more recently recognized--obesity and metabolic diseases. All these diseases are characterized by inflammation that might be triggered by the translocation of luminal components into the host. In summary, intestinal permeability, which is a feature of intestinal barrier function, is increasingly recognized as being of relevance for health and disease, and therefore, this topic warrants more attention.
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van Vugt JLA, Reisinger KW, Derikx JPM, Boerma D, Stoot JHMB. Improving the outcomes in oncological colorectal surgery. World J Gastroenterol 2014; 20:12445-12457. [PMID: 25253944 PMCID: PMC4168077 DOI: 10.3748/wjg.v20.i35.12445] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2014] [Revised: 03/18/2014] [Accepted: 06/17/2014] [Indexed: 02/06/2023] Open
Abstract
During the last several decades, colorectal cancer surgery has experienced some major perioperative improvements. Preoperative risk-assessment of nutrition, frailty, and sarcopenia followed by interventions for patient optimization or an adapted surgical strategy, contributed to improved postoperative outcomes. Enhanced recovery programs or fast-track surgery also resulted in reduced length of hospital stay and overall complications without affecting patient safety. After an initially indecisive start due to uncertainty about oncological safety, the most significant improvement in intraoperative care was the introduction of laparoscopy. Laparoscopic surgery for colon and rectal cancer is associated with better short-term outcomes, whereas long-term outcomes regarding survival and recurrence rates are comparable. Nevertheless, long-term results in rectal surgery remain to be seen. Early recognition of anastomotic leakage remains a challenge, though multiple improvements have allowed better management of this complication.
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Janse M, de Rooij BJF, van Hoek B, van den Berg AP, Porte RJ, Blokzijl H, Coenraad MJ, Hepkema BG, Schaapherder AF, Ringers J, Weersma RK, Verspaget HW. Recipient's genetic R702W NOD2 variant is associated with an increased risk of bacterial infections after orthotopic liver transplantation. PLoS One 2013; 8:e72617. [PMID: 23977330 PMCID: PMC3747080 DOI: 10.1371/journal.pone.0072617] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2013] [Accepted: 07/11/2013] [Indexed: 12/18/2022] Open
Abstract
Introduction Orthotopic liver transplantation (OLT) is accompanied by a significant postoperative infection risk. Immunosuppression to prevent rejection increases the susceptibility to infections, mainly by impairing the adaptive immune system. Genetic polymorphisms in the lectin complement pathway of the donor have recently been identified as important risk determinants of clinically significant bacterial infection (CSI) after OLT. Another genetic factor involved in innate immunity is NOD2, which was reported to be associated with increased risk of spontaneous bacterial peritonitis in cirrhotic patients. Methods We assessed association of three genetic NOD2 variants (R702W, G908R and 3020insC) with increased risk of CSI after OLT. 288 OLT recipient-donor pairs from two tertiary referral centers were genotyped for the three NOD2 variants. The probability of CSI in relation to NOD2 gene variants was determined with cumulative incidence curves and log-rank analysis. Results The R702W NOD2 variant in the recipient was associated with CSI after OLT. Eight out of 15 (53.3%) individuals with a mutated genotype compared to 80/273 (29.3%) with wild type genotype developed CSI (p=0.027, univariate cox regression), illustrated by a higher frequency of CSI after OLT over time (p=0.0003, log rank analysis). Multivariate analysis (including the donor lectin complement pathway profile) showed independence of this R702W NOD2 association from other risk factors (HR 2.0; p=0.04). The other NOD2 variants, G908R and 3020insC, in the recipient were not associated with CSI. There was no association with CSI after OLT for any of the NOD2 variants in the donor. Conclusion The mutated NOD2 R702W genotype in the recipient is independently associated with an increased risk of bacterial infections after liver transplantation, indicating a predisposing role for this genetic factor impairing the recipient’s innate immune system.
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Affiliation(s)
- Marcel Janse
- Department of Gastroenterology and Hepatology, University of Groningen and University Medical Center Groningen, Groningen, The Netherlands
| | - Bert-Jan F. de Rooij
- Department of Gastroenterology and Hepatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Bart van Hoek
- Department of Gastroenterology and Hepatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Arie P. van den Berg
- Department of Gastroenterology and Hepatology, University of Groningen and University Medical Center Groningen, Groningen, The Netherlands
| | - Robert J. Porte
- Department of Hepatobiliary Surgery and Liver Transplantation, University of Groningen and University Medical Center Groningen, Groningen, The Netherlands
| | - Hans Blokzijl
- Department of Gastroenterology and Hepatology, University of Groningen and University Medical Center Groningen, Groningen, The Netherlands
| | - Minneke J. Coenraad
- Department of Gastroenterology and Hepatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Bouke G. Hepkema
- Department of Laboratory Medicine, University of Groningen and University Medical Center Groningen, Groningen, The Netherlands
| | | | - Jan Ringers
- Department of Surgery, Leiden University Medical Center, Leiden, The Netherlands
| | - Rinse K. Weersma
- Department of Gastroenterology and Hepatology, University of Groningen and University Medical Center Groningen, Groningen, The Netherlands
| | - Hein W. Verspaget
- Department of Gastroenterology and Hepatology, Leiden University Medical Center, Leiden, The Netherlands
- * E-mail:
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Effects of balanced hydroxyethyl starch solutions on gut mucosal microcirculation and exhaled nitric oxide in septic rats. Eur J Anaesthesiol 2013; 30:469-75. [DOI: 10.1097/eja.0b013e3283614048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Continuous administration of enteral lipid- and protein-rich nutrition limits inflammation in a human endotoxemia model. Crit Care Med 2013; 41:1258-65. [PMID: 23388517 DOI: 10.1097/ccm.0b013e31827c0a17] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE An overzealous inflammatory response is an important cause of morbidity and mortality in surgical, trauma, and critically ill patients. Enteral administration of lipid-rich nutrition was previously shown to attenuate inflammation and reduce organ damage via a cholecystokinin-1 receptor-mediated vagovagal reflex in animal studies. The current preclinical study investigates the immunomodulatory potential of a custom-made enteral nutrition during systemic inflammation in man. DESIGN Double-blind, randomized controlled trial. SETTING Intensive care research unit. SUBJECTS Male volunteers. INTERVENTIONS After an overnight fast, 18 healthy male subjects received an IV bolus of Escherichia coli lipopolysaccharide (2 ng/kg). Subjects in the fasted group (n = 6) were deprived of food throughout the study, while subjects in the intervention groups were fed either custom-made lipid- and protein-rich nutrition (n = 6) or isocaloric control nutrition (n = 6) via nasojejunal tube, starting 1 hour prior to lipopolysaccharide administration until 6 hours afterward. MEASUREMENTS AND MAIN RESULTS Bolus lipopolysaccharide administration resulted in a marked inflammatory response. Continuous postpyloric administration of nutrition significantly increased plasma cholecystokinin levels throughout the lipopolysaccharide-induced inflammatory response. Lipid- and protein-rich nutrition attenuated circulating levels of the proinflammatory cytokines tumor necrosis factor-α and interleukin-6 and the interleukin-1 receptor antagonist compared with control nutrition (all p < 0.05) and fasted subjects (all p < 0.05). In additional, lipid- and protein-rich nutrition augmented the anti-inflammatory response, reflected by increased plasma levels of interleukin-10 compared with fasted subjects (p < 0.0001). CONCLUSIONS The current preclinical study expands the immunomodulating effects of enteral nutrition as previously observed in rodents to man. Continuous administration of enteral nutrition resulted in a rapid anti-inflammatory effect. Furthermore, enrichment of the nutritional composition with lipid and protein was shown to enhance the anti-inflammatory potential. Therefore, continuous enteral administration of lipid- and protein-rich nutrition is a promising intervention to modulate the immune response in the early course of systemic inflammation in man.
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Lu Z, Ding L, Lu Q, Chen YH. Claudins in intestines: Distribution and functional significance in health and diseases. Tissue Barriers 2013; 1:e24978. [PMID: 24478939 PMCID: PMC3879173 DOI: 10.4161/tisb.24978] [Citation(s) in RCA: 156] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2013] [Revised: 05/06/2013] [Accepted: 05/08/2013] [Indexed: 02/08/2023] Open
Abstract
Intestines are organs that not only digest food and absorb nutrients, but also provide a defense barrier against pathogens and noxious agents ingested. Tight junctions (TJs) are the most apical component of the junctional complex, providing one form of cell-cell adhesion in enterocytes and playing a critical role in regulating paracellular barrier permeability. Alteration of TJs leads to a number of pathophysiological diseases causing malabsorption of nutrition and intestinal structure disruption, which may even contribute to systemic organ failure. Claudins are the major structural and functional components of TJs with at least 24 members in mammals. Claudins have distinct charge-selectivity, either by tightening the paracellular pathway or functioning as paracellular channels, regulating ions and small molecules passing through the paracellular pathway. In this review, we have discussed the functions of claudin family members, their distribution and localization in the intestinal tract of mammals, their alterations in intestine-related diseases and chemicals/agents that regulate the expression and localization of claudins as well as the intestinal permeability, which provide a therapeutic view for treating intestinal diseases.
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Affiliation(s)
- Zhe Lu
- Department of Basic Medicine; Hangzhou Normal University, Hangzhou, PR China ; Department of Anatomy and Cell Biology; Brody School of Medicine; East Carolina University; Greenville, NC USA
| | - Lei Ding
- Department of Anatomy and Cell Biology; Brody School of Medicine; East Carolina University; Greenville, NC USA ; Department of Oncology; Beijing Shijitan Hospital; Capital Medical University; Beijing, PR China
| | - Qun Lu
- Department of Anatomy and Cell Biology; Brody School of Medicine; East Carolina University; Greenville, NC USA
| | - Yan-Hua Chen
- Department of Anatomy and Cell Biology; Brody School of Medicine; East Carolina University; Greenville, NC USA
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van Wijck K, Pennings B, van Bijnen AA, Senden JMG, Buurman WA, Dejong CHC, van Loon LJC, Lenaerts K. Dietary protein digestion and absorption are impaired during acute postexercise recovery in young men. Am J Physiol Regul Integr Comp Physiol 2013; 304:R356-61. [DOI: 10.1152/ajpregu.00294.2012] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Previously, we demonstrated that exercise can cause small intestinal injury, leading to loss of gut barrier function. The functional consequences of such exercise-induced intestinal injury on subsequent food digestion and absorption are unclear. The present study determined the impact of resistance-type exercise on small intestinal integrity and in vivo dietary protein digestion and absorption kinetics. Twenty-four young males ingested 20 g specifically produced intrinsically l-[1-13C]phenylalanine-labeled protein at rest or after performing a single bout of resistance-type exercise. Continuous intravenous infusions with l-[ring-2H5]phenylalanine were employed, and blood samples were collected regularly to assess in vivo protein digestion and absorption kinetics and to quantify plasma levels of intestinal fatty-acid binding protein (I-FABP) as a measure of small intestinal injury. Plasma I-FABP levels were increased after exercise by 35%, reaching peak values of 344 ± 53 pg/ml compared with baseline 254 ± 31 pg/ml ( P < 0.05). In resting conditions, I-FABP levels remained unchanged. Dietary protein digestion and absorption rates were reduced during postexercise recovery when compared with resting conditions ( P < 0.001), with average peak exogenous phenylalanine appearance rates of 0.18 ± 0.04 vs. 0.23 ± 0.03 mmol phenylalanine·kg lean body mass−1·min−1, respectively. Plasma I-FABP levels correlated with in vivo rates of dietary protein digestion and absorption ( r S = −0.57, P < 0.01). Resistance-type exercise induces small intestinal injury in healthy, young men, causing impairments in dietary protein digestion and absorption kinetics during the acute postexercise recovery phase. To the best of our knowledge, this is first evidence that shows that exercise attenuates dietary protein digestion and absorption kinetics during acute postexercise recovery.
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Affiliation(s)
- Kim van Wijck
- Top Institute Food and Nutrition, Wageningen, the Netherlands
- Department of Surgery, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Centre, Maastricht, the Netherlands; and
| | - Bart Pennings
- Top Institute Food and Nutrition, Wageningen, the Netherlands
- Department of Human Movement Sciences, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Annemarie A. van Bijnen
- Department of Human Movement Sciences, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Joan M. G. Senden
- Department of Human Movement Sciences, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Wim A. Buurman
- Top Institute Food and Nutrition, Wageningen, the Netherlands
- Department of Surgery, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Centre, Maastricht, the Netherlands; and
| | - Cornelis H. C. Dejong
- Top Institute Food and Nutrition, Wageningen, the Netherlands
- Department of Surgery, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Centre, Maastricht, the Netherlands; and
| | - Luc J. C. van Loon
- Top Institute Food and Nutrition, Wageningen, the Netherlands
- Department of Human Movement Sciences, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Kaatje Lenaerts
- Top Institute Food and Nutrition, Wageningen, the Netherlands
- Department of Surgery, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Centre, Maastricht, the Netherlands; and
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Circulating intestinal fatty acid-binding protein as an early marker of intestinal necrosis after aortic surgery: a prospective observational cohort study. Ann Surg 2012; 255:796-803. [PMID: 22367448 DOI: 10.1097/sla.0b013e31824b1e16] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE This study evaluated the usefulness of plasma intestinal fatty-acid binding protein (IFABP) levels in the early identification of intestinal necrosis (IN) in patients undergoing different types of aortic surgery. BACKGROUND Intestinal compromise greatly contributes to postoperative adverse outcome. IN is the most detrimental form of intestinal compromise and is notoriously difficult to diagnose. IFABP is a small protein exclusively expressed by mature enterocytes and a promising marker of intestinal damage. METHODS Plasma IFABP concentrations were measured in blood samples taken perioperatively from 55 patients undergoing open thoracic or thoracoabdominal aneurysm repair [OR-TAA(A)], 25 patients undergoing conventional open abdominal aneurysm repair (OR-abdominal aortic aneurysm [AAA]), and 16 patients undergoing endovascular aneurysm repair (EVAR). Data were compared with perioperative changes in arterial pH and serum lactate levels. RESULTS IFABP levels increased in all patients undergoing OR-TAA(A) and OR-AAA reaching peak levels shortly after surgery; 281 ± 33 to 2,298 ± 490 pg/mL (P < 0.001) and 187 ± 31 to 641 ± 176 pg/mL (P < 0.05) respectively. IFABP levels were significantly higher in patients undergoing OR-TAA(A) (P < 0.001). IFABP levels in EVAR patients remained at baseline concentrations throughout the study. Four patients [2 OR-AAA, 2 OR-TAA(A)] developed fatal postoperative intestinal ischemia on day 2 or 3. High levels of plasma IFABP at the end of surgery had 100% sensitivity and 98.1% specificity for the identification of patients developing IN. In OR-AAA patients, arterial pH and lactate levels were of additional discriminating value. Complete discrimination between patients with and without IN using plasma IFABP could be made on the first postoperative day. CONCLUSIONS Analysis of plasma IFABP levels is of additional value to other current plasma markers in the diagnosis of IN, and it enables early identification of patients with IN after aortic surgery days before clinical diagnosis.
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Zhou SP, Lu YK, Wang FY. New advances in non-invasive assessment of intestinal epithelial barrier function. Shijie Huaren Xiaohua Zazhi 2012; 20:1312-1317. [DOI: 10.11569/wcjd.v20.i15.1312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Abnormal intestinal permeability has been suggested to play an important role in many human diseases, including diabetes, inflammatory bowel disease, celiac disease, multiple sclerosis, food allergy and hypersensitivity, and irritable bowel syndrome. Emerging work in recent years has begun to provide evidence for an etiologic role of abnormal intestinal permeability in the pathogenesis of autoimmune disease. Insight into gut barrier integrity and function loss is important to improve our knowledge on disease etiology and pathophysiology and contributes to early detection and/or secondary prevention of disease. A variety of tests have been developed to assess intestinal epithelial cell damage, intestinal tight junction status and consequences of intestinal barrier integrity loss, i.e. increased intestinal permeability. This review discusses currently available methods for evaluating human intestinal barrier function.
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Snoek SA, Dhawan S, van Bree SH, Cailotto C, van Diest SA, Duarte JM, Stanisor OI, Hilbers FW, Nijhuis L, Koeman A, van den Wijngaard RM, Zuurbier CJ, Boeckxstaens GE, de Jonge WJ. Mast cells trigger epithelial barrier dysfunction, bacterial translocation and postoperative ileus in a mouse model. Neurogastroenterol Motil 2012; 24:172-84, e91. [PMID: 22122661 DOI: 10.1111/j.1365-2982.2011.01820.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Abdominal surgery involving bowel manipulation commonly results in inflammation of the bowel wall, which leads to impaired intestinal motility and postoperative ileus (POI). Mast cells have shown to play a key role in the pathogenesis of POI in mouse models and human studies. We studied whether mast cells contribute to the pathogenesis of POI by eliciting intestinal barrier dysfunction. METHODS C57BL/6 mice, and two mast cell-deficient mutant mice Kit(W/W-v) , and Kit(W-sh/W-sh) underwent laparotomy (L) or manipulation of the small bowel (IM). Postoperative inflammatory infiltrates and cytokine production were assessed. Epithelial barrier function was determined in Ussing chambers, by measuring transport of luminal particles to the vena mesenterica, and by assessing bacterial translocation. KEY RESULTS In WT mice, IM resulted in pro-inflammatory cytokine and chemokine production, and neutrophil extravasation to the manipulated bowel wall. This response to IM was reduced in mast cell-deficient mice. IM caused epithelial barrier dysfunction in WT mice, but not in the two mast cell-deficient strains. IM resulted in a decrease in mean arterial pressure in both WT and mast cell-deficient mice, indicating that impaired barrier function was not explained by tissue hypoperfusion, but involved mast cell mediators. CONCLUSIONS & INFERENCES Mast cell activation during abdominal surgery causes epithelial barrier dysfunction and inflammation of the muscularis externa of the bowel. The impairment of the epithelial barrier likely contributes to the pathogenesis of POI. Our data further underscore that mast cells are bona fide cellular targets to ameliorate POI.
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Affiliation(s)
- S A Snoek
- Tytgat Institute for Liver and Intestinal Research, Academic Medical Centre, Amsterdam, The Netherlands
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Dello SAWG, Reisinger KW, van Dam RM, Bemelmans MHA, van Kuppevelt TH, van den Broek MAJ, Olde Damink SWM, Poeze M, Buurman WA, Dejong CHC. Total intermittent Pringle maneuver during liver resection can induce intestinal epithelial cell damage and endotoxemia. PLoS One 2012; 7:e30539. [PMID: 22291982 PMCID: PMC3265485 DOI: 10.1371/journal.pone.0030539] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2011] [Accepted: 12/18/2011] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVES The intermittent Pringle maneuver (IPM) is frequently applied to minimize blood loss during liver transection. Clamping the hepatoduodenal ligament blocks the hepatic inflow, which leads to a non circulating (hepato)splanchnic outflow. Also, IPM blocks the mesenteric venous drainage (as well as the splenic drainage) with raising pressure in the microvascular network of the intestinal structures. It is unknown whether the IPM is harmful to the gut. The aim was to investigate intestinal epithelial cell damage reflected by circulating intestinal fatty acid binding protein levels (I-FABP) in patients undergoing liver resection with IPM. METHODS Patients who underwent liver surgery received total IPM (total-IPM) or selective IPM (sel-IPM). A selective IPM was performed by selectively clamping the right portal pedicle. Patients without IPM served as controls (no-IPM). Arterial blood samples were taken immediately after incision, ischemia and reperfusion of the liver, transection, 8 hours after start of surgery and on the first post-operative day. RESULTS 24 patients (13 males) were included. 7 patients received cycles of 15 minutes and 5 patients received cycles of 30 minutes of hepatic inflow occlusion. 6 patients received cycles of 15 minutes selective hepatic occlusion and 6 patients underwent surgery without inflow occlusion. Application of total-IPM resulted in a significant increase in I-FABP 8 hours after start of surgery compared to baseline (p<0.005). In the no-IPM group and sel-IPM group no significant increase in I-FABP at any time point compared to baseline was observed. CONCLUSION Total-IPM in patients undergoing liver resection is associated with a substantial increase in arterial I-FABP, pointing to intestinal epithelial injury during liver surgery. TRIAL REGISTRATION ClinicalTrials.gov NCT01099475.
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Affiliation(s)
- Simon A W G Dello
- Department of Surgery, Maastricht University Medical Center & Nutrim School for Nutrition, Toxicology and Metabolism, Maastricht University, Maastricht, The Netherlands.
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Vreugdenhil AC, Wolters VM, Adriaanse MP, Van den Neucker AM, van Bijnen AA, Houwen R, Buurman WA. Additional value of serum I-FABP levels for evaluating celiac disease activity in children. Scand J Gastroenterol 2011; 46:1435-41. [PMID: 22029621 DOI: 10.3109/00365521.2011.627447] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVES Addition of a non-invasive marker for intestinal damage to the currently used parameters for celiac disease activity (symptoms, serologic tests and biopsy) might further improve clinical management of celiac disease (CD). Intestinal fatty acid binding protein (I-FABP) is a cytosolic enterocyte protein and sensitive marker for enterocyte damage in the small intestine. We investigated whether serum I-FABP levels can reliably identify villous atrophy in children with a positive CD antibody screening. Moreover, the recovery of I-FABP levels after gluten free diet (GFD) was studied. METHODS I-FABP levels were analyzed retrospectively in 49 children with biopsy proven CD and in 19 patients with a positive screening but without histological confirmation of CD. Blood was collected before biopsy and repeatedly after the onset of GFD. RESULTS Initial I-FABP concentrations in CD (median 458 pg/ml) were significantly (p < 0.001) elevated compared to controls (median 20 pg/ml). In the control group, only two of 19 children were found to have elevated I-FABP levels, of which one was subsequently diagnosed with CD after gluten challenge. I-FABP concentrations correlated with severity of villous atrophy. In all CD patients, I-FABP levels decreased quickly after GFD and normalized in 80% of patients within 12 weeks. CONCLUSIONS Elevated I-FABP levels accurately predict villous atrophy in children with a positive serologic test for CD (positive predictive value 98%). In addition, measurement of I-FABP enables monitoring the response to GFD.
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Affiliation(s)
- Anita C Vreugdenhil
- Department of Pediatrics, Maastricht University Medical Center, Maastricht, Netherlands.
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van Wijck K, Lenaerts K, van Loon LJC, Peters WHM, Buurman WA, Dejong CHC. Exercise-induced splanchnic hypoperfusion results in gut dysfunction in healthy men. PLoS One 2011; 6:e22366. [PMID: 21811592 PMCID: PMC3141050 DOI: 10.1371/journal.pone.0022366] [Citation(s) in RCA: 226] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2011] [Accepted: 06/26/2011] [Indexed: 12/13/2022] Open
Abstract
Background Splanchnic hypoperfusion is common in various pathophysiological conditions and often considered to lead to gut dysfunction. While it is known that physiological situations such as physical exercise also result in splanchnic hypoperfusion, the consequences of flow redistribution at the expense of abdominal organs remained to be determined. This study focuses on the effects of splanchnic hypoperfusion on the gut, and the relationship between hypoperfusion, intestinal injury and permeability during physical exercise in healthy men. Methods and Findings Healthy men cycled for 60 minutes at 70% of maximum workload capacity. Splanchnic hypoperfusion was assessed using gastric tonometry. Blood, sampled every 10 minutes, was analyzed for enterocyte damage parameters (intestinal fatty acid binding protein (I-FABP) and ileal bile acid binding protein (I-BABP)). Changes in intestinal permeability were assessed using sugar probes. Furthermore, liver and renal parameters were assessed. Splanchnic perfusion rapidly decreased during exercise, reflected by increased gapg-apCO2 from −0.85±0.15 to 0.85±0.42 kPa (p<0.001). Hypoperfusion increased plasma I-FABP (615±118 vs. 309±46 pg/ml, p<0.001) and I-BABP (14.30±2.20 vs. 5.06±1.27 ng/ml, p<0.001), and hypoperfusion correlated significantly with this small intestinal damage (rS = 0.59; p<0.001). Last of all, plasma analysis revealed an increase in small intestinal permeability after exercise (p<0.001), which correlated with intestinal injury (rS = 0.50; p<0.001). Liver parameters, but not renal parameters were elevated. Conclusions Exercise-induced splanchnic hypoperfusion results in quantifiable small intestinal injury. Importantly, the extent of intestinal injury correlates with transiently increased small intestinal permeability, indicating gut barrier dysfunction in healthy individuals. These physiological observations increase our knowledge of splanchnic hypoperfusion sequelae, and may help to understand and prevent these phenomena in patients.
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Affiliation(s)
- Kim van Wijck
- Top Institute Food and Nutrition, Wageningen, The Netherlands
- NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht, The Netherlands
- Department of Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Kaatje Lenaerts
- Top Institute Food and Nutrition, Wageningen, The Netherlands
- NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht, The Netherlands
- Department of Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
- * E-mail:
| | - Luc J. C. van Loon
- Top Institute Food and Nutrition, Wageningen, The Netherlands
- NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht, The Netherlands
- Department of Human Movement Sciences, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Wilbert H. M. Peters
- Department of Gastroenterology and Hepatology, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
| | - Wim A. Buurman
- NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht, The Netherlands
- Department of Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Cornelis H. C. Dejong
- Top Institute Food and Nutrition, Wageningen, The Netherlands
- NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht, The Netherlands
- Department of Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
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De Winter BY, van den Wijngaard RM, de Jonge WJ. Intestinal mast cells in gut inflammation and motility disturbances. Biochim Biophys Acta Mol Basis Dis 2011; 1822:66-73. [PMID: 21497195 DOI: 10.1016/j.bbadis.2011.03.016] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2011] [Revised: 03/20/2011] [Accepted: 03/25/2011] [Indexed: 12/12/2022]
Abstract
Mast cells may be regarded as prototypes of innate immune cells that can be controlled by neuronal mediators. Their activation has been implicated in many types of neuro-inflammatory responses, and related disturbances of gut motility, via direct or indirect mechanisms that involve several mechanisms relevant to disease pathogenesis such as changes in epithelial barrier function or activation of adaptive or innate immune responses. Here we review the evidence for the involvement of mast cells in the inflammation of the bowel wall caused by bowel manipulation that leads to motility disturbances such as postoperative gastroparesis and ileus. Also in IBD there is substantial evidence for the involvement of mast cells and a mast cell-mediated neuroimmune interaction showing an increased number and an increased degranulation of mast cells. We discuss the potential of mast cell inhibition as a bona fide drug target to relief postoperative ileus. Further research on mast cell-related therapy either by stabilizing the mast cells or by blocking specific mast cell mediators as adjunctive therapy in IBD is encouraged, bearing in mind that several drugs currently used in the treatment of IBD possess properties affecting mast cell activities. This article is part of a Special Issue entitled: Mast cells in inflammation.
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Affiliation(s)
- Benedicte Y De Winter
- Laboratory of Experimental Medicine and Pediatrics, Department of Gastroenterology, University of Antwerp, Antwerp, Belgium
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Derikx JPM, Luyer MDP, Heineman E, Buurman WA. Non-invasive markers of gut wall integrity in health and disease. World J Gastroenterol 2011. [PMID: 21072889 DOI: 10.3748/wjg.v16.i43.5272] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The intestinal mucosa is responsible for the absorption of nutrients from the lumen and for the separation of the potentially toxic luminal content (external environment) from the host (internal environment). Disruption of this delicate balance at the mucosal interface is the basis for numerous (intestinal) diseases. Experimental animal studies have shown that gut wall integrity loss is involved in the development of various inflammatory syndromes, including post-operative or post-traumatic systemic inflammatory response syndrome, sepsis, and multiple organ failure. Assessment of gut wall integrity in clinical practice is still a challenge, as it is difficult to evaluate the condition of the gut non-invasively with currently available diagnostic tools. Moreover, non-invasive, rapid diagnostic means to assess intestinal condition are needed to evaluate the effects of treatment of intestinal disorders. This review provides a survey of non-invasive tests and newly identified markers that can be used to assess gut wall integrity.
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Derikx JPM, Luyer MDP, Heineman E, Buurman WA. Non-invasive markers of gut wall integrity in health and disease. World J Gastroenterol 2010; 16:5272-9. [PMID: 21072889 PMCID: PMC2980675 DOI: 10.3748/wjg.v16.i42.5272] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The intestinal mucosa is responsible for the absorption of nutrients from the lumen and for the separation of the potentially toxic luminal content (external environment) from the host (internal environment). Disruption of this delicate balance at the mucosal interface is the basis for numerous (intestinal) diseases. Experimental animal studies have shown that gut wall integrity loss is involved in the development of various inflammatory syndromes, including post-operative or post-traumatic systemic inflammatory response syndrome, sepsis, and multiple organ failure. Assessment of gut wall integrity in clinical practice is still a challenge, as it is difficult to evaluate the condition of the gut non-invasively with currently available diagnostic tools. Moreover, non-invasive, rapid diagnostic means to assess intestinal condition are needed to evaluate the effects of treatment of intestinal disorders. This review provides a survey of non-invasive tests and newly identified markers that can be used to assess gut wall integrity.
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