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Effect of enteral ecoimmunonutrition support for patients undergoing hepatectomy: A meta-analysis of randomized controlled trials. Eur J Clin Nutr 2022; 76:1133-1141. [PMID: 35165427 DOI: 10.1038/s41430-022-01073-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 12/22/2021] [Accepted: 01/10/2022] [Indexed: 02/05/2023]
Abstract
BACKGROUND Whether to conduct enteral ecoimmunonutrition (EEIN) in patients undergoing hepatectomy remains controversial. This study aimed to systematically explore the efficacy and safety of EEIN in patients undergoing hepatectomy. SUBJECT We performed searches in the Embase, PubMed, Medline, Cochrane Library, Chinese Scientific Journal Database (VIP), Chinese National Knowledge Infrastructure (CNKI) and Wanfang databases. RESULTS A total of 9 randomized controlled trials (705 patients) were included. The meta-analysis revealed a significantly shorter time to first postoperative flatus (h) (MD, -14.60; 95% CI, -16.06~-13.15; P < 0.00001); lower levels of alanine aminotransferase (µmol/L) (MD, -22.26; 95% CI, -28.42~-16.10; P < 0.00001), aspartate transaminase (µmol/L) (MD, -53.79; 95% CI, -57.37~-50.21; P < 0.00001), total bilirubin (µmol/L) (MD, -16.28; 95% CI, -17.77~-14.79; P < 0.00001), direct bilirubin (µmol/L) (MD, -8.77; 95% CI, -9.65~-7.88; P < 0.00001), endotoxin (ng/L) (MD, -0.78; 95% CI, -0.88~-0.68; P < 0.00001), tumor necrosis factor-α (pg/ml) (MD, -79.69; 95% CI, -99.90~-59.49; P < 0.00001), and interleukin-6 (pg/ml) (MD, -46.29; 95% CI, -50.24~-42.34; P < 0.00001); and higher levels of immunoglobulin A (g/L) (MD, 0.24; 95% CI, 0.14~0.35; P < 0.00001), immunoglobulin G (g/L) (MD, 1.52; 95% CI, 1.22~1.82; P < 0.00001), and immunoglobulin M (g/L) (MD, 0.12; 95% CI, 0.05~0.20; P = 0.0007) in the EEIN group than in the enteral or parenteral nutrition (EN/PN) groups. CONCLUSION Enteral ecoimmunonutrition support in patients undergoing hepatectomy may effectively protect liver function, reduce serum endotoxin levels and inflammatory factors, improve the immune function of patients, and promote the recovery of postoperative gastrointestinal function, which is worthy of clinical application.
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Stimac D, Poropat G, Hauser G, Licul V, Franjic N, Valkovic Zujic P, Milic S. Early nasojejunal tube feeding versus nil-by-mouth in acute pancreatitis: A randomized clinical trial. Pancreatology 2016; 16:523-8. [PMID: 27107634 DOI: 10.1016/j.pan.2016.04.003] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2016] [Revised: 03/28/2016] [Accepted: 04/02/2016] [Indexed: 12/11/2022]
Abstract
BACKGROUND/OBJECTIVES There is substantial evidence of superiority of enteral nutrition (EN) to parenteral nutrition in acute pancreatitis (AP) treatment, but few studies evaluated its effectiveness compared to no intervention. The objective of our trial was to compare the effects of EN to a nil-by-mouth (NBM) regimen in patients with AP. METHODS Patients with AP were randomized to receive either EN via a nasojejunal tube initiated within 24 h of admission or no nutritional support. Systemic inflammatory response syndrome (SIRS) was assessed as the primary outcome. Secondary outcomes included mortality, organ failure, local complications, infected pancreatic necrosis, surgical interventions, length of hospital stay, adverse events and inflammatory response intensity. Outcomes were compared using Student's t-test and Mann-Whitney U test as appropriate. RESULTS 214 patients were randomized in total, 107 to each group. SIRS occurrence was similar between groups, with 48 (45%) versus 51 (48%), respectively (RR 0.94; 95% CI 0.71-1.26). No significant reduction of persistent organ failure (RR 0.81; 95% CI 0.52-1.27) and mortality (RR 0.59; 95% CI 0.28-1.23) was present in the EN group. There were no significant differences in other outcomes between the groups. When analyzing the occurrence of SIRS and mortality in subgroup of patients with severe disease no significant differences were noted. CONCLUSION Our results showed no significant reduction of persistent organ failure and mortality in patients with AP receiving early EN compared to patients treated with no nutritional support (NCT01965873).
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Affiliation(s)
- D Stimac
- Department of Gastroenterology, Faculty of Medicine Rijeka, University Hospital Rijeka, Rijeka, Croatia
| | - G Poropat
- Department of Gastroenterology, Faculty of Medicine Rijeka, University Hospital Rijeka, Rijeka, Croatia.
| | - G Hauser
- Department of Gastroenterology, Faculty of Medicine Rijeka, University Hospital Rijeka, Rijeka, Croatia
| | - V Licul
- Department of Gastroenterology, Faculty of Medicine Rijeka, University Hospital Rijeka, Rijeka, Croatia
| | - N Franjic
- Department of Gastroenterology, Faculty of Medicine Rijeka, University Hospital Rijeka, Rijeka, Croatia
| | - P Valkovic Zujic
- Department of Radiology, Faculty of Medicine Rijeka, University Hospital Rijeka, Rijeka, Croatia
| | - S Milic
- Department of Gastroenterology, Faculty of Medicine Rijeka, University Hospital Rijeka, Rijeka, Croatia
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Abstract
BACKGROUND Acute pancreatitis is a common and potentially lethal disease with increasing incidence. Severe cases are characterised by high mortality, and despite improvements in intensive care management, no specific treatment relevantly improves clinical outcomes of the disease. Meta-analyses suggest that enteral nutrition is more effective than conventional treatment consisting of discontinuation of oral intake with use of total parenteral nutrition. However, no systematic review has compared different enteral nutrition formulations for the treatment of patients with acute pancreatitis. OBJECTIVES To assess the beneficial and harmful effects of different enteral nutrition formulations in patients with acute pancreatitis. SEARCH METHODS We searched the Cochrane Upper Gastrointestinal and Pancreatic Diseases Group Specialised Register of Clinical Trials, the Cochrane Central Register of Controlled Trials (CENTRAL) (2013, Issue 7), MEDLINE (from inception to 20 August 2013), EMBASE (from inception to 2013, week 33) and Science Citation Index-Expanded (from 1990 to August 2013); we conducted full-text searches and applied no restrictions by language or publication status. SELECTION CRITERIA We considered randomised clinical trials assessing enteral nutrition in patients with acute pancreatitis. We allowed concomitant interventions if they were received equally by all treatment groups within a trial. DATA COLLECTION AND ANALYSIS Two review authors independently assessed trials for inclusion and extracted data. We performed the analysis using Review Manager 5 (Review Manager 2013) and both fixed-effect and random-effects models. We expressed results as risk ratios (RRs) for dichotomous data, and as mean differences (MDs) for continuous data, both with 95% confidence intervals (CIs). Analysis was based on an intention-to-treat principle. MAIN RESULTS We included 15 trials (1376 participants) in this review. We downgraded the quality of evidence for many of our outcomes on the basis of high risk of bias. Low-quality evidence suggests that immunonutrition decreases all-cause mortality (RR 0.49, 95% CI 0.29 to 0.80). The effect of immunonutrition on other outcomes from a subset of the included trials was uncertain. Subgrouping trials by type of enteral nutrition did not explain any variation in effect. We found mainly very low-quality evidence for the effects of probiotics on the main outcomes. One eligible trial in this comparison reported a higher rate of serious adverse events leading to increased organ failure and mortality due to low numbers of events and low risk of bias. When we excluded this study as a post hoc sensitivity analysis, risks of mortality (RR 0.30, 95% CI 0.10 to 0.84), organ failure (RR 0.74, 95% CI 0.59 to 0.92) and local septic complications (RR 0.40, 95% CI 0.22 to 0.72) were lower with probiotics. In one trial assessing immunonutrition with probiotics and fibres, no deaths occurred, but hospital stay was shorter with immunonutrition (MD -5.20 days, 95% CI -8.73 to -1.67). No deaths were reported following semi-elemental enteral nutrition (EN), and the effect on length of hospital stay was small (MD 0.30 days, 95% CI -0.82 to 1.42). Fibre-enriched formulations reduced the number of other local complications (RR 0.52, 95% CI 0.32 to 0.87) and length of hospital stay (MD -9.28 days, 95% CI -13.21 to -5.35) but did not significantly affect all-cause mortality (RR 0.23, 95% CI 0.03 to 1.84) and other outcomes. Very low-quality evidence from the subgroup of trials comparing EN versus no intervention showed a decrease in all-cause mortality with EN (RR 0.50, 95% CI 0.29 to 0.86). AUTHORS' CONCLUSIONS We found evidence of low or very low quality for the effects of immunonutrition on efficacy and safety outcomes. The role of supplementation of enteral nutrition with potential immunomodulatory agents remains in question, and further research is required in this area. Studies assessing probiotics yielded inconsistent and almost contrary results, especially regarding safety and adverse events, and their findings do not support the routine use of EN enriched with probiotics in routine clinical practice. However, further research should be carried out to try to determine the potential efficacy or harms of probiotics. Lack of trials reporting on other types of EN assessed and lack of firm evidence regarding their effects suggest that additional randomised clinical trials are needed. The quality of evidence for the effects of any kind of EN on mortality was low, and further studies are likely to have an impact on the finding of improved survival with EN versus no nutritional support. Evidence remains insufficient to support the use of a specific EN formulation.
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Affiliation(s)
- Goran Poropat
- Department of Gastroenterology, Clinical Hospital Centre Rijeka, Kresimirova 42, Rijeka, Croatia, 51000
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Xu GF, Guo M, Tian ZQ, Wu GZ, Zou XP, Zhang WJ. Increased of serum high-mobility group box chromosomal protein 1 correlated with intestinal mucosal barrier injury in patients with severe acute pancreatitis. World J Emerg Surg 2014; 9:61. [PMID: 25926862 PMCID: PMC4414458 DOI: 10.1186/1749-7922-9-61] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Accepted: 12/12/2014] [Indexed: 01/21/2023] Open
Abstract
Background Secondary infections are the leading cause of death in patients with severe acute pancreatitis (SAP). The gut represents the main source of pancreatic contamination and related septic complications. High-mobility group box chromosomal protein 1 (HMGB1) was recently identified to play an important role in the SAP intestinal mucosal barrier dysfunction. Objective To investigate the correlation of high-mobility group box 1 (HMGB1) with intestinal barrier injury and infections in patients with severe acute pancreatitis (SAP). Methods The serum levels of HMGB1, amylase, lipase, and biochemical indicators were measured in 80 patients with SAP at the time of admission. Furthermore, relationship between their serum HMGB1 levels and intestinal barrier injury, infection and other clinical factors were analyzed. Results The mean value of serum HMGB1 levels was significantly higher in patients with SAP (6.02 ± 2.42 ng/mL) than that in healthy volunteers (1.87 ± 0.63 ng/mL). Serum HMGB1 levels were significantly positively correlated with the Ranson score. The HMGB1 levels were higher in patients with infection during the clinical course, the HMGB1 levels in non-survivors were higher than those in survivors, and positively correlated with DAO activity, L/M ratio, the concentration of endotoxin (R = 0.484, P <0.01). Conclusions HMGBl level of patients with severe acute pancreatitis was significantly increased, and can be used as an important indicator to determine the intestinal barrier dysfunction and infection.
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Affiliation(s)
- Gui-Fang Xu
- Department of Gastroenterology, Nanjing Drum tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Ming Guo
- Department of Gastroenterology, Drum Tower Clinical College of Nanjing Traditional Chinese Medical University, Nanjing, China
| | - Zhi-Qiang Tian
- Department of General Surgery, 101st Hospital of People's Liberation Army, Wuxi, China
| | - Guo-Zhong Wu
- Department of General Surgery, 101st Hospital of People's Liberation Army, Wuxi, China
| | - Xiao-Ping Zou
- Department of Gastroenterology, Nanjing Drum tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Wei-Jie Zhang
- Department of Emergency, Nanjing Drum tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
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Poropat G, Giljaca V, Hauser G, Stimac D. Enteral nutrition formulations for acute pancreatitis. Cochrane Database Syst Rev 2013. [DOI: 10.1002/14651858.cd010605] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Batchelor DJ, Devauchelle P, Elliott J, Elwood CM, Freiche V, Gualtieri M, Hall EJ, Den Hertog E, Neiger R, Peeters D, Roura X, Savary-Bataille K, German AJ. Mechanisms, causes, investigation and management of vomiting disorders in cats: a literature review. J Feline Med Surg 2013; 15:237-65. [PMID: 23403690 PMCID: PMC10816764 DOI: 10.1177/1098612x12473466] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Vomiting is a common presenting complaint in feline practice. This article differs from previous reviews in that it is an evidence-based review of the mechanisms, causes, investigation and management of vomiting in the domestic cat. Published evidence was reviewed, and then used to make recommendations for clinical assessment, diagnosis, antiemetic drug treatment, dietary management and monitoring of cats presenting with vomiting. The strength of the evidence on which recommendations are made (and areas where evidence is lacking for cats) has been highlighted throughout.
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Wang G, Wen J, Xu L, Zhou S, Gong M, Wen P, Xiao X. Effect of enteral nutrition and ecoimmunonutrition on bacterial translocation and cytokine production in patients with severe acute pancreatitis. J Surg Res 2013; 183:592-7. [PMID: 23726433 DOI: 10.1016/j.jss.2012.12.010] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Revised: 10/25/2012] [Accepted: 12/07/2012] [Indexed: 12/18/2022]
Abstract
BACKGROUND Severe acute pancreatitis (SAP) with severe complications such as multiple organ failure, necrosis, abscess, and formation of pancreatic pseudocysts often gives rise to a high mortality despite intensive treatment. Parenteral nutrition (PN), elemental enteral nutrition, and ecoimmunonutrition (EIN) hastened the recovery of SAP patients, stimulated gastrointestinal motility, and alleviated the degree of systemic inflammatory response syndrome. This study aimed to examine the effects of enteral nutrition (EN) and EIN on bacterial translocation and cytokine production in patients with SAP. METHODS One hundred eighty-three SAP patients were randomly divided into three groups receiving PN, EN, or EN + EIN. Acute Physiology and Chronic Health Evaluation II scores, complications (systemic inflammatory response syndrome, multiorgan failure, and infections), intestinal bacterial strains of stool, and plasma concentrations of endotoxin, tumor necrosis factor α (TNF-α), and interleukin (IL) 6 and IL-10 were evaluated. RESULTS The percentage of pancreatic sepsis, multiple organ dysfunction syndrome, and mortality was significantly lower in the EN group and was further lower in the EN + EIN group than that in the PN group. The plasma concentrations of TNF-α and IL-6 and APACHE II scores were significantly decreased in the EN group and were further lowered in the EN + EIN group than those in the PN group. The plasma concentration of IL-10 was higher in the EN group and was further increased in the EN + EIN group than that in the PN group. CONCLUSIONS EN plays effective roles in the treatment of SAP by decreasing the expression of endotoxin, TNF-α, and IL-6 and the bacterial translocation, enhancing the expression of IL-10, and the combination of EIN with EN results in more therapeutic benefits than EN alone.
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Affiliation(s)
- Guiliang Wang
- Department of Digestive Internal Medicine, Pingxiang Hospital, Southern Medical University, Pingxiang, Jiangxi, People's Republic of China
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Wang YZ, Wang SW, Zhang YC, Sun ZJ. Protective effect of exogenous IGF-I on the intestinalmucosal barrier in rats with severe acute pancreatitis. World J Emerg Med 2012; 3:213-20. [PMID: 25215066 PMCID: PMC4129782 DOI: 10.5847/wjem.j.issn.1920-8642.2012.03.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2012] [Accepted: 07/20/2012] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Severe acute pancreatitis (SAP) can result in intestinal mucosal barrier (IMB) dysfunction. This study was undertaken to demonstrate the effect of IGF-I on the intestinal mucosal barrier in rats with SAP and its possible mechanisms. METHODS Seventy-two male Wistar rats were randomly divided into three groups: a sham operation (SO group, n=24), a SAP group not treated with IGF-I (SAP group, n=24), and a SAP group treated with IGF-I (IGF-I group, n=24). SAP was induced in the rats by injecting 5.0% sodium taurocholate into the biliary-pancreatic duct. The SO rats were given an infusion of normal saline instead. The rats in the IGF-I group underwent the SAP procedure and were given a subcutaneous injection of IGF-I at 30 minutes before the operation and at 3 hours after the operation. Eight rats in each group were sacrificed at 6, 12 and 24 hours after operation. Apoptosis of mucosal cells in the small intestine was determined by TUNEL. The levels of endotoxin and DAO and serum amylase were also measured. Pathologic changes in the small intestine were monitored. Changes of bax and bcl-2 mRNA expression in the small intestine were determined by reverse transcription polymerase chain reaction (RT-PCR). RESULTS The levels of serum amylase were lower in the IGF-I group than in the SAP group at all three time points (P<0.05). The levels of endotoxin in the IGF-I group were higher than those in the SAP group at 6 hours, but lower in the IGF-I group than in the SAP group at 12 and 24 hours (P<0.05). The levels of diamine oxidase were higher in the IGF-I group at 6 hours but lower than those in the SAP group at 12 and 24 hours. The pathological score of the small intestine was lower in the IGF-I group than in the SAP group, and the difference was statistically significant at 12 and 24 hours. The pathologic changes observed under electron microscopy were better in the IGF-I group than those in the SAP group. The apoptosis index of intestinal epithelial cells was significantly decreased in the IGF-I group compared with the SAP group. Compared with the SO group, the mRNA expression levels of bax were increased at each time point in the SAP group, and were significantly decreased in the IGF-I group as compared with the SAP group at each time point (P<0.05). The expression levels of bcl-2 were weak and not different between the SO group and the SAP group (P>0.05). They were significantly increased in the IGF-I group versus the SO and SAP groups (P<0.05). The ratio of bax and bcl-2 mRNA expression levels at each time point in the SAP group were significantly higher than those in the SO group, but they were obviously decreased in the IGF-I group. CONCLUSIONS Exogenous IGF-I seems to protect mucosal cells in the small intestine against SAP-induced apoptosis and could alleviate SAP-induced injury of the intestinal mucosa. The underlying mechanisms include enhanced mRNA expression of bcl-2 and inhibition of bax mRNA expression.
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Affiliation(s)
- Ying-zhen Wang
- Intensive Care Unit, Second Hospital of Gansu Province, Lanzhou 730000, China
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou 730030, China
| | - Shi-wen Wang
- Intensive Care Unit, Second Hospital of Gansu Province, Lanzhou 730000, China
| | - You-cheng Zhang
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou 730030, China
| | - Zhi-jiang Sun
- Intensive Care Unit, General Hospital of Lanzhou Petrochemical, Lanzhou 730060, China
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Vasoactive intestinal peptide promotes gut barrier function against severe acute pancreatitis. Mol Biol Rep 2011; 39:3557-63. [PMID: 21725849 DOI: 10.1007/s11033-011-1129-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2010] [Accepted: 06/22/2011] [Indexed: 02/06/2023]
Abstract
To explore the influence of vasoactive intestinal peptide (VIP) on the gut barrier function in severe acute pancreatitis (SAP). Fifty four SD rats were randomly divided into three groups: sham operated (SO) group, SAP group and VIP intervention group. Each group was further divided into three time points: 1, 6 and 12 h after operation with 6 rats for each treatment point. SAP models were induced by retrograde injection of 4% sodium taurocholate into the bili-pancreatic duct. VIP intervention group was made by 5 nmol VIP intraperitoneal injection within 5 min after SAP model successfully obtained. The VIP in plasma and intestinal homogenate were detected with ELISA. The endotoxin in plasma of all groups was also tested. The expression levels of TLR4, TNF-α, IL-6, and IL-10 in gut mucosa were measured by RT-PCR. Meanwhile intestinal samples were harvested for pathological examination. Compared to SO group, the VIP in plasma and intestinal homogenate of SAP group were significantly decreased at 1 h after induction, and then gradually increased to beyond the level of SO group at 12 h. The endotoxin of SAP group was continually increased. The mRNA levels of TLR4, TNF-α, IL-6, and IL-10 were also increased with obvious pathological injuries in the intestine. In the VIP group, endotoxin in plasma was obviously decreased compared to SAP group. The expressions of TNF-α, IL-6 mRNA were suppressed while IL-10mRNA was increased. The intestinal pathological injuries were also markedly alleviated. These results suggested that VIP had protective effects on SAP gut barrier function through inhibiting intestinal mucosal inflammatory responses.
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Mansfield C, James F, Steiner J, Suchodolski J, Robertson I, Hosgood G. A Pilot Study to Assess Tolerability of Early Enteral Nutrition via Esophagostomy Tube Feeding in Dogs with Severe Acute Pancreatitis. J Vet Intern Med 2011; 25:419-25. [DOI: 10.1111/j.1939-1676.2011.0703.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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Elwood C, Devauchelle P, Elliott J, Freiche V, German AJ, Gualtieri M, Hall E, den Hertog E, Neiger R, Peeters D, Roura X, Savary-Bataille K. Emesis in dogs: a review. J Small Anim Pract 2010; 51:4-22. [PMID: 20137004 PMCID: PMC7167204 DOI: 10.1111/j.1748-5827.2009.00820.x] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/09/2009] [Indexed: 11/26/2022]
Abstract
Emesis is a common presenting sign in small animal practice. It requires a rational approach to management that is based upon a sound understanding of pathophysiology combined with logical decision making. This review, which assesses the weight of available evidence, outlines the physiology of the vomiting reflex, causes of emesis, the consequences of emesis and the approach to clinical management of the vomiting dog. The applicability of diagnostic testing modalities and the merit of traditional approaches to management, such as dietary changes, are discussed. The role and usefulness of both traditional and novel anti-emetic drugs is examined, including in specific circumstances such as following cytotoxic drug treatment. The review also examines areas in which common clinical practice is not necessarily supported by objective evidence and, as such, highlights questions worthy of further clinical research.
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Affiliation(s)
- C Elwood
- Davies Veterinary Specialists, Manor Farm Business Park, Higham Gobion, Hitchin, Hertfordshire SG5 3HR
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Wang YL, Zheng YJ, Zhang ZP, Su JY, Lei RQ, Tang YQ, Zhang SD. Effects of gut barrier dysfunction and NF-kappaB activation on aggravating mechanism of severe acute pancreatitis. J Dig Dis 2009; 10:30-40. [PMID: 19236545 DOI: 10.1111/j.1751-2980.2008.00360.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To study the effects of gut-derived endotoxin translocation and NF-kappaB activation on the aggravating mechanism of severe acute pancreatitis (SAP) and of treatment with pyrrolidine dithiocarbamate (PDTC) on rats with SAP. METHODS SD rats were randomly divided into sham operation group (SO), SAP group, SAP + lipopolysaccharide(LPS) group, pyrrolidine dithiocarbamate (PDTC) treatment group and LPS group. Biochemical parameters and cytokines were examined in the serum. Multiple organs pathological slices were examined. Expression of NF-kappaB mRNA in the liver tissue was detected by RT-PCR. Activation of NF-kappaB by the method of streptomycin avidin-peroxidase (SP) and expression of NF-kappaB p65 protein and its binding activity were analyzed by Western blot and electrophoretic mobidity shift assay (EMSA). RESULTS Compared with sham operation group, the concentration of TNF-alpha, alanine aminotransferase (ALT), and diamine oxidase (DAO) in serum significantly increased in SAP + LPS group (P < 0.05). Pathological changes were markedly observed in tissues and the expression of NF-kappaB mRNA in the liver significantly increased (P < 0.05) also, the activation of NF-kappaB and binding activity of NF-kappaB p65 protein in the liver markedly increased (P < 0.01) in SAP + LPS group. Treatment with PDTC markedly reduced concentration of ALT, DAO and TNF-alpha, and the expression of NF-kappaB, and the pathologic scores, as well as significantly decreased the expression of NF-kappaB p65 protein. CONCLUSION The activation and overexpression of NF-kappaB may participate in the aggravating mechanism of SAP. Treatment with PDTC has a protective effect on multiple organs damage in SAP.
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Affiliation(s)
- Yi Lin Wang
- Department of Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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Zheng YJ, Wang YL, Mao EQ, Liu W, Li L, Wu J, Zhang RY, Tang YQ. Gut-derived endotoxin translocation is the main aggravating mechanism of acute severe pancreatitis. BIOSCIENCE HYPOTHESES 2009; 2:286-289. [DOI: 10.1016/j.bihy.2009.03.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/13/2023]
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Novel mutation and polymorphism of PRSS1 gene in the Chinese patients with hereditary pancreatitis and chronic pancreatitis. Chin Med J (Engl) 2008. [DOI: 10.1097/00029330-200801020-00003] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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