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    Acute gastrointestinal injury in the intensive care unit: a retrospective study. Chen HuaiSheng,Zhang HuaDong,Li Wei,Wu ShengNan,Wang Wei Therapeutics and clinical risk management BACKGROUND:Acute gastrointestinal injury (AGI) is a common problem in the intensive care unit (ICU). This study is a review of the gastrointestinal function of patients in critical care, with the aim to assess the feasibility and effectiveness of grading criteria developed by the European Society of Intensive Care Medicine (ESICM) Working Group on Abdominal Problems (WGAP). METHODS:Data of patients who were admitted to the ICU of Shenzhen People's Hospital, Shenzhen, People's Republic of China, from January 2010 to December 2011 were reviewed. A total of 874 patients were included into the current study. Their sex, age, ICU admissive causes, complication of diabetes, AGI grade, primary or secondary AGI, mechanical ventilation (MV), and length of ICU stay (days) were recorded as risk factors of death. These risk factors were studied by unconditioned logistic regression analysis. RESULTS:All the risk factors affected mortality rate. Unconditional logistic regression analysis revealed that the mortality rate of secondary AGI was 71 times higher than primary AGI (odds ratio [OR] 4.335, 95% CI [1.652, 11.375]). When the age increased by one year, the mortality probability would increase fourfold. Mortality in patients with MV was 63-fold higher than for patients with non-MV. Mortality rate increased 0.978 times with each additional day of ICU stay. CONCLUSION:Secondary AGI caused by severe systemic conditions can result in worsened clinical outcomes. The 2012 ESICM WGAP AGI recommendations were to some extent feasible and effective in guiding clinical practices, but the grading system lacked the support of objective laboratory outcomes. 10.2147/TCRM.S92829
    Early traditional Chinese medicine bundle therapy for the prevention of sepsis acute gastrointestinal injury in elderly patients with severe sepsis. Wang Yifei,Zhang Yunhua,Jiang Ronglin Scientific reports This study aimed to study the effect of early traditional Chinese medicine bundle therapy on the prevention of sepsis-associated acute gastrointestinal injury (AGI). This was a multicenter, prospective, observational, non-randomized cohort study of 296 consecutive patients with severe sepsis during 2013/3 and 2014/11; 150 patients received standard treatments (controls) and 146 received traditional Chinese medicine bundle therapy (intervention group) (herbal decoction gavage based on syndrome differentiation, Chinese acupuncture, application of mirabilite, and defecation mixture). D-lactic acid, diamine oxidase, endotoxin, gastrin, motilin, and intra-abdominal pressure were measured. AGI was categorized into four levels. Compared with controls, D-lactic acid, diamine oxidase, endotoxin, gastrin, and intra-abdominal pressure in the intervention group were decreased, and motilin was increased on day 7. AGI incidence in the intervention group was lower than in controls. GIF scores of the intervention AGI II and III groups were lower than in controls. The APACHE II scores of the intervention AGI II, III, and IV groups were lower than in controls. Compared with controls, mechanical ventilation time and ICU stay in the intervention group were shorter, and 28-day overall and AGI-attributed mortality were lower. For elderly patients with severe sepsis, early traditional Chinese medicine bundle therapy could decrease AGI incidence and improve prognosis. 10.1038/srep46015
    Prevalence and outcome of acute gastrointestinal injury in critically ill patients: A systematic review and meta-analysis. Zhang Dong,Li Yuting,Ding Lili,Fu Yao,Dong Xuechao,Li Hongxiang Medicine BACKGROUND:The aim of the study was to investigate the prevalence and impact of acute gastrointestinal injury (AGI) on clinical outcomes in critically ill patients. METHODS:The PubMed, Cochrane, and Embase databases were searched to identify trials that assessed gastrointestinal injury in critically ill patients. Outcome measures were prevalence of AGI among critically ill patients; incidence of mortality among critically ill patients with AGI, and incidence of mortality stratified by severity of AGI. RESULTS:The meta-analysis included 14 studies. The prevalence of AGI in critically ill patients was 40% [95% confidence interval (CI), 27%-54%]; the incidence of mortality among critically ill patients with AGI was 33% (95% CI, 26%-41%). There was a higher risk of mortality in critically ill patients with AGI compared to those without AGI [risk ratio (RR) = 2.01; 95% CI 1.20-3.37, P = .008). Subgroup analyses of studies that defined AGI according to European Society of Intensive Care Medicine (ESICM) criteria confirmed these findings and showed that the risk of mortality was higher in critically ill patients with more severe AGI (ESICM grade III and IV vs grade II) [RR of 1.86 (95% CI 1.48-2.34), P < .00001]. CONCLUSION:AGI is common in critically ill patients, mortality in critically ill patients with AGI is high, and severity of AGI is associated with mortality. The widespread clinical use of standard criteria with a severity gradation will facilitate the diagnosis and management of AGI in critically ill patients. 10.1097/MD.0000000000012970
    Association between acute gastrointestinal injury and biomarkers of intestinal barrier function in critically ill patients. Li Hongxiang,Chen Ying,Huo Feifei,Wang Yushan,Zhang Dong BMC gastroenterology BACKGROUND:To assess the associations of biomarkers of intestinal barrier function and other clinical variables with acute gastrointestinal injury (AGI) grade, and of these clinical variables with mortality in critically ill patients. METHODS:This was a single-center, observational, prospective study. Patients were included if they were diagnosed with AGI and underwent tests for the measurement of plasma levels of intestinal fatty acid-binding protein (i-FABP), D-lactate (D-la), and lipopolysaccharide. General characteristics, AGI grades, Acute Physiology and Chronic Health Evaluation (APACHE) II scores, Sepsis-related Organ Failure Assessment (SOFA) scores, intra-abdominal pressure (IAP), and 28-day mortality were recorded and compared among patients with different AGI grades. RESULTS:Among the 90 included patients, the APACHE II score, IAP, and LPS and D-la levels significantly differed between the four AGI grades. Multinomial logistic regression analysis with grade I as the reference for grades II, III, and IV revealed that high APACHE II scores increased the odds of AGI grade III (odds ratio [OR], 1.754; 95% confidence interval [CI], 1.225-2.511) and grade IV (OR, 1.493; 95% CI, 1.079-2.066). Similarly, IAP increased the odds of AGI grade III (OR, 1.622; 95% CI, 1.111-2.369) and grade IV (OR, 1.518; 95% CI, 1.066-2.162). Elevated D-la increased the odds of AGI grades II (OR, 1.059; 95% CI, 1.005-1.117), III (OR, 1.155; 95% CI, 1.052-2.268), and IV (OR, 1.088; 95% CI, 1.013-1.168). In contrast, i-FABP and LPS did not increase the odds of any AGI grade. SOFA scores could independently predict the odds of death in AGI patients (OR, 1.223; 95% CI, 1.007-1.485). CONCLUSION:AGI patients exhibit loss of gastrointestinal barrier function, and D-la could serve as a better marker of AGI grade than i-FABP or lipopolysaccharide. 10.1186/s12876-017-0603-z
    Association between nutrition support and acute gastrointestinal injury in critically ill patients during the first 72 hours. Li Hongxiang,Lu Junying,Li Hongyan,Duan Aosong,Wang Yushan,Zhang Dong Clinical nutrition (Edinburgh, Scotland) BACKGROUND & AIMS:The impact of nutrition support on patients with acute gastrointestinal injury (AGI) has not been fully determined. This study aimed to 1) investigate the relationship between nutrition support and AGI, as well as nutrition support and prognosis in critically ill AGI patients and 2) evaluate the prognostic benefits of nutrition support in different severity categories of AGI patients. METHODS:This prospective study included 379 patients in whom AGI occurred in the first 72 h after admission from 12 teaching hospitals in China. Clinical characteristics including demographics, APACHE II score, modified NUTRIC score, SOFA score, calories of nutrition, and 7 and 28-day mortality were recorded. Multiple logistic regression analysis was applied to identify the risk factors for mortality. The survival benefit of nutrition support as reflected by calories of nutrition in 72 h was evaluated for patients categorized according to their APACHE II, modified NUTRIC, and SOFA scores. RESULTS:Patients were classified into Grades I (n = 141), II (n = 173), III (n = 48), and IV (n = 17). Significant differences were observed among different AGI grade cohorts (I-IV) in terms of APACHE II, SOFA, and modified NUTRIC scores and calories of enteral nutrition (EN), parenteral nutrition (PN), and EN + PN. Ordinal logistic regression analysis showed that only SOFA score was an independent risk factor for AGI grades (P < 0.001). APACHE II score, mechanical ventilation (MV), AGI grades, and calories of EN + PN intake were independent risk factors for 28-d mortality. Increased nutritional intake was associated with reduced mortality in severely ill patients with APACHE II scores ≥15 (P = 0.007). CONCLUSIONS:AGI grade affected the intake of calories and was one of the risk factors for 28-d mortality. The nutrition intake of patients with AGI grade III to IV was almost only PN. The positive association between nutrition support and prognosis was more apparent in AGI patients with higher APACHE II scores. 10.1016/j.clnu.2020.05.011
    [Efficacy and safety of early physical therapy for acute gastrointestinal injury during mechanical ventilation in patients with sepsis: a randomized controlled pilot trial]. Liu Danlei,Xu Zhouqian,Qu Changchun,Huo Baoshan,Lai Hanqi,Li Yang,Liu Bin,Deng Huojin,Wang Qianwen,Li Dujuan,Chang Ping,Li Sha,Wang Hua Nan fang yi ke da xue xue bao = Journal of Southern Medical University OBJECTIVE:To investigate the therapeutic effect and safety of early physical therapy for acute gastrointestinal injury (AGI) in septic patients receiving mechanical ventilation. METHODS:A randomized controlled trial was conducted in the ICU of a tertiary teaching hospital from May, 2017 to March, 2018. The patients diagnosed with sepsis complicated by AGI during mechanical ventilation were recruited and block-randomized into intervention group and control group. Both groups received standard therapy of sepsis, and the patients in the intervention group also received physical therapy as soon as they were hemodynamically stable. The outcome measures included the recovery of AGI, ICU mortality, duration and outcomes of mechanical ventilation and the length of ICU stay. RESULTS:A total of 60 patients were initially included, and 34 of them completed the study, including 16 in the intervention group and 18 in the control group. After physical rehabilitation, the number of patients with a cure of AGI did not significantly differ between the two group ( > 0.05). Nonetheless, the reduction of AGI scores after the treatments differed significantly between the intervention group and the control group (-1.9±2.1 0.9± 1.6, < 0.05). No significant differences were found between the two groups in ICU mortality, duration and outcomes of mechanical ventilation, or the length of ICU stay ( > 0.05). In the intervention group, the incidence of exercise-related adverse events was 3.33%, and severe organ injury or death occurred in none of patients. CONCLUSIONS:Early rehabilitation therapy does not reduce the incidence of AGI but can lower AGI scores and alleviate gastrointestinal symptoms in patients with sepsis during mechanical ventilation. The results still await further verification by welldesigned multicenter clinical trials with large sample sizes. 10.12122/j.issn.1673-4254.2019.11.06
    Risk Factors of Acute Gastrointestinal Failure in Critically Ill Patients With Traumatic Brain Injury. Fu Weijun,Shi Nengxian,Wan Yahui,Mei Fen,Qiu Binghui,Bao Yun,Zhang Yu,Hao Jingwen,He Jing,Peng Xiaojie The Journal of craniofacial surgery OBJECTIVE:To assess the risk factors associated with acute gastrointestinal failure (AGF) in critically ill patients with traumatic brain injury (TBI). METHODS:Prospective, observational study was conducted in NanFang Hospital, Southern Medical University. All patients admitted to the Department of Critical Care Medicine and Department of Neurosurgery from June 1, 2017 to December 1, 2018 with TBI were enrolled. RESULTS:Overall, 199 patients were enrolled. About 62 episodes (31%) of AGF were diagnosed. In the multivariate analysis, women, severe Glasgow Coma Scale (GCS) classification, frontal lobe injury, abnormal serum sodium, pulmonary infection, and intracranial infection are significantly associated with developing AGF, independent of other prognostic factors. CONCLUSION:The AGF occurs frequently in intensive care unit patients who are suffering from TBI. In critically ill patients with TBI, women, severe GCS classification, frontal lobe injury, abnormal serum sodium, pulmonary infection, and intracranial infection are independent risk factors for AGF. 10.1097/SCS.0000000000006130
    Omega-3 Fish Oil Reduces Mortality Due to Severe Sepsis with Acute Gastrointestinal Injury Grade III. Chen Huaisheng,Wang Wei,Hong Chengying,Zhang Ming,Hong Yingcai,Wang Su,Zhang Huadong Pharmacognosy magazine BACKGROUND:Sepsis plays an important role in acute gastrointestinal injury (AGI). Our research was designed to determine the effects of omega-3 fish oil (FO) in patients suffering from severe sepsis combined with AGI III, and the ability of FO to modulate immune function. METHODS:Seventy-eight patients diagnosed with severe sepsis with AGI III and a need for mechanical ventilation were randomized to two groups. In the FO group, 50 g of long chain fatty acid soybean oil ( = 6) and 10 g of FO ( = 3) were administered as total parenteral nutrition (TPN). The control group was treated with 50 g of long chain fatty acid soybean oil without addition of FO to TPN. RESULTS:At baseline, there were no significant differences between the two groups. The 60-day mortality was lower in the FO group. Multiple factor logistic regression analysis revealed that intra-abdominal pressure (IAP) and abdominal infection were correlated with the FO intervention. The patients with abdominal infection demonstrated a lower mortality rate, fewer CD3 T lymphocytes, and fewer helper/inducer T lymphocytes in the FO group compared with the control group. After 7 days, the Marshall Score was lower in the FO group than in the control group. CONCLUSION:FO has positive effects in terms of improving the long-term prognosis of patients with severe sepsis with AGI III. Patients with a high IAP and abdominal infection might experience greater benefit from FO. This effect might be due, in part, to immunomodulation. SUMMARY:Fish oil (FO) has positive effects in terms of improving the long-term prognosis of patients with severe sepsis with acute gastrointestinal injury Grade IIIPatients with a high intra-abdominal pressure and abdominal infection might experience greater benefit from FOThis effect might be due, in part, to immunomodulation. AGI: Acute gastrointestinal injury; FO: Fish oil; TPN: Total parenteral nutrition; IAP: Intra-abdominal pressure; ICU: Intensive Care Unit; MODS: Multiple organ dysfunction syndrome; TLR4: Toll-like receptor 4; DNR: Do Not Resuscitate; WGAP: Working Group of Abdominal Problem; EN: Enteral nutrition; BP: Low blood pressure; CRI: Catheter-related infection; PBS: Phosphate-buffered saline; ELFA: Enzyme-linked fluorescent assay; SD: Standard deviation; PUFAs: Polyunsaturated fatty acids; EPA: Eicosapentenoic acid; DHA: Docosahexaenoic acid. 10.4103/pm.pm_418_16
    Angiopoietin-2 Is an Early Predictor for Acute Gastrointestinal Injury and Intestinal Barrier Dysfunction in Patients with Acute Pancreatitis. Huang Qing,Wu Zhe,Chi Cheng,Wu Chunbo,Su Lin,Zhang Yuanyuan,Zhu Jihong,Liu Yulan Digestive diseases and sciences BACKGROUNDS:Angiopoietin-2 (Ang-2) is a new predictor for acute pancreatitis (AP). AIMS:To assess the predictive value of Ang-2 in determining the progress of AP and the subsequent acute gastrointestinal injury (AGI). METHODS:This was a prospective study that enrolled 170 patients with AP and 100 healthy controls. Blood samples were collected within 24 h of the onset of AP. RESULTS:The majority (108) of the patients were categorized as having MAP with the rest (62) classified as suffering from SAP. Considering AGI grading, there were 118 grade 1 and 12 grade 4 patients; in grades 2 and 3, there were 20 patients each. AP was accompanied by MODS and pancreatic necrosis in 46 and 24 cases, respectively. Eighty patients were admitted to the ICU, while mortality was reported among 7.1% patients. The plasma Ang-2 levels were higher among patients with AP than in controls. A similar trend prevailed, in patients with SAP compared to those with MAP. Ang-2 was significantly increased from AGI grade 1 through to grade 4, showing a desirable positive predictive accuracy. Moreover, Ang-2 also showed strong correlations with intestinal permeability as evaluated by d-lactate (DLA), diamine oxidase (DAO), and intestinal fatty acid binding proteins (I-FABPs). Tools (Ranson and APACHE II scores, CRP), which are used more conventionally, could not effectively distinguish the various grades of AGI. Furthermore, Ang-2 predicted poor prognosis and adverse outcomes, including mortality, among patients with AP. CONCLUSIONS:This study showed Ang-2 to be an accurate early predictor for SAP, AGI, and intestinal barrier dysfunction, outperforming conventional biomarkers. Ang-2 levels also predicted the adverse outcomes and mortality due to AP. 10.1007/s10620-020-06138-0
    Severity of acute gastrointestinal injury grade is a good predictor of mortality in critically ill patients with acute pancreatitis. Ding Ling,Chen Hong-Yan,Wang Jin-Yun,Xiong Hui-Fang,He Wen-Hua,Xia Liang,Lu Nong-Hua,Zhu Yin World journal of gastroenterology BACKGROUND:Gastrointestinal (GI) dysfunction is a common and important complication of acute pancreatitis (AP), especially in patients with severe AP. Despite this, there is no consensus means of obtaining a precise assessment of GI function. AIM:To determine the association between acute gastrointestinal injury (AGI) grade and clinical outcomes in critically ill patients with AP. METHODS:Patients with AP admitted to our pancreatic intensive care unit from May 2017 to May 2019 were enrolled. GI function was assessed according to the AGI grade proposed by the European Society of Intensive Care Medicine in 2012, which is mainly based on GI symptoms, intra-abdominal pressure, and feeding intolerance in the first week of admission to the intensive care unit. Multivariate logistic regression analysis was performed to assess the association between AGI grade and clinical outcomes in critically ill patients with AP. RESULTS:Among the 286 patients included, the distribution of patients with various AGI grades was 34.62% with grade I, 22.03% with grade II, 32.52% with grade III, and 10.84% with grade IV. The distribution of mortality was 0% among those with grade I, 6.35% among those with grade II, 30.11% among those with grade III, and 61.29% among those with grade IV, and AGI grade was positively correlated with mortality ( = 31.511, < 0.0001). Multivariate logistic regression analysis showed that age, serum calcium level, AGI grade, persistent renal failure, and persistent circulatory failure were independently associated with mortality. Compared with the Acute Physiology and Chronic Health Evaluation II score (area under the curve: 0.739 0.854; < 0.05) and Ranson score (area under the curve: 0.72 0.854; < 0.01), the AGI grade was more useful for predicting mortality. CONCLUSION:AGI grade is useful for identifying the severity of GI dysfunction and can be used as a predictor of mortality in critically ill patients with AP. 10.3748/wjg.v26.i5.514
    Association between acute gastrointestinal injury grading system and disease severity and prognosis in critically ill patients: A multicenter, prospective, observational study in China. Li Hongxiang,Zhang Dong,Wang Yushan,Zhao Shujie Journal of critical care PURPOSE:This prospective study investigated the association between disease severity and acute gastrointestinal injury (AGI) grade and between prognosis and AGI. METHODS:In 12 teaching hospitals in China, patients in intensive care units who had received a diagnosis of AGI were enrolled (N = 196). Their demographics, body mass index, Acute Physiology and Chronic Health Evaluation II score, Sepsis-related Organ Failure Assessment score, mechanical ventilation, acute kidney injury, intensive care unit stay, and 7-day and 28-day mortality were recorded. RESULTS:Of the 196 AGI patients, 90, 64, 29, and 13 were classified as grades I, II, III, and IV, respectively. Acute Physiology and Chronic Health Evaluation II scores independently predicted grades III and IV; acute kidney injury independently predicted grade III. The 28-day mortality rates of grades I and II were similar, as were those of grades III and IV. The mortality rate of patients with grades I + II (gastrointestinal dysfunction) was significantly lower than that of patients with grades III + IV (gastrointestinal failure). CONCLUSION:Differentiating AGI as gastrointestinal dysfunction or gastrointestinal failure appears to be more valid for predicting prognosis than the AGI 4-grade system. 10.1016/j.jcrc.2016.05.001
    Gut rest strategy and trophic feeding in the acute phase of critical illness with acute gastrointestinal injury. Zhang Dong,Li Hongxiang,Li Yuting,Qu Lai Nutrition research reviews Critically ill patients frequently suffer from gastrointestinal dysfunction as the intestine is a vulnerable organ. In critically ill patients who require nutritional support, the current guidelines recommend the use of enteral nutrition within 24-48 h and advancing towards optimal nutritional goals over the next 48-72 h; however, this may be contraindicated in patients with acute gastrointestinal injury because overuse of the gut in the acute phase of critical illness may have an adverse effect on the prognosis. We propose that trophic feeding after 72 h, as a partial gut rest strategy, should be provided to critically ill patients during the acute phase of illness as an organ-protective strategy, especially for those with acute gastrointestinal injury. 10.1017/S0954422419000027
    Using Digestive Fluid Biomarkers to Predict Acute Gastrointestinal Injury in Critically Ill Patients: A Pilot Study. Minhua Cheng,Tao Gao,Fengchan Xi,Wenkui Yu American journal of critical care : an official publication, American Association of Critical-Care Nurses BACKGROUND:Acute gastrointestinal injury is associated with significantly increased mortality in critically ill patients. However, markers for measuring acute gastrointestinal injury are neither sensitive nor specific. OBJECTIVE:To determine whether enzymes in digestive fluid are predictive of the severity of acute gastrointestinal injury. METHODS:A prospective observational study was conducted between June 2015 and December 2015 in a surgical intensive care unit. Enrolled patients were classified by acute gastrointestinal injury grade according to the 2012 European Society of Intensive Care Medicine system. Digestive fluid was collected through nasointestinal tubes and analyzed 24 hours after the diagnosis of acute gastrointestinal injury. Intestinal markers of injury (pH, interleukin 6, interleukin 10, tumor necrosis factor α, and secretory immunoglobulin A) were measured in digestive fluid. RESULTS:Of the 76 patients included, acute gastrointestinal injury was grade I in 41, grade II in 20, grade III in 8, and grade IV in 7. Secretory immunoglobulin A was an independent predictor of grade III acute gastrointestinal injury. When data from patients with grades I and II injury and patients with grades III and IV injury were grouped together, analysis revealed that pH, interleukin 10, and secretory immunoglobulin A were independent predictors of acute gastrointestinal failure. CONCLUSIONS:Secretory immunoglobulin A was predictive of grade III acute gastrointestinal injury. Digestive fluid markers of injury (pH, interleukin 10, and secretory immunoglobulin A) were predictors of acute gastrointestinal failure. Further study is required to determine if other markers are specific or sensitive for acute gastrointestinal injury. 10.4037/ajcc2018255
    The mTORC1 signaling modulated by intracellular C3 activation in Paneth cells promotes intestinal epithelial regeneration during acute injury. Ye Jinning,Yuan Kaitao,Dai Weigang,Sun Kaiyu,Li Guanghua,Tan Min,Song Wu,Yuan Yujie International immunopharmacology Complement activation is associated with regional inflammation during acute gastrointestinal injury (AGI). This study is designed to explore how intracellular C3 activation in Paneth cells (PCs) affects regeneration of intestinal epithelium during AGI. AGI was induced in wildtype C57BL/6 mice, with sham operation employed as control. Exogenous C3 (1 mg, I.P.) was applied at 6 h post-surgery. Intestinal crypts harvested from ileum were cultured with presence or absence of C3 (20 μg/ml), with small interfering RNA against BST1 and complement activation inhibitor selectively applied in vitro. The intestinal integrity, percentage of PCs and intestinal stem cells (ISCs) were evaluated. Importantly, cADPR, C3 fragments, and S6-related proteins were detected in PCs to inspect the mammalian target of rapamycin complex 1 (mTORC1) signaling. AGI caused breakdown of intestinal mucosa integrity and regional inflammation. Exogenous C3 by itself failed to promote the growth of intestinal epithelium, but distinctly enhanced the activity of PCs via intracellular activation, which subsequently supported the expansion of ISCs inside of intestinal crypts. Inhibition of C3 activation was associated with decreased expressions of S6, S6K1 and cADPR, with blocking BST1 found to depress cADPR only. Collectively, these data confirmed intracellular activation of C3 in PCs enhanced expansion of ISCs in response to acute injury. The mTORC1 signaling pathway in PCs contributed to this crosstalk during exogenous C3 treatment. 10.1016/j.intimp.2018.12.002
    Characterization of Fecal Peritonitis-Induced Sepsis in a Porcine Model. Park Inwon,Lee Jae Hyuk,Jang Dong-Hyun,Kim Doyun,Chang Hyunglan,Kwon Hyuksool,Kim Seonghye,Kim Taek Soo,Jo You Hwan The Journal of surgical research BACKGROUND:Although there are well-established small-animal sepsis models, the longitudinal assessment of hemodynamic variables, laboratory values, and blood culture in a single living sepsis model is limited. Therefore, we aimed to comprehensively characterize fecal peritonitis-induced sepsis in a porcine model. MATERIALS AND METHODS:Autologous feces (1 g/kg) was administered into the peritoneum of 11 male pigs (49 ± 8 kg). The pigs were monitored up to 12 h with full fluid and vasopressor support to maintain the mean arterial pressure at >65 mm Hg. Longitudinal blood culture and laboratory values were obtained at defined time intervals. The cytokine levels in plasma were analyzed. Furthermore, a clinical registry of sepsis patients at a single emergency department was used to compare the Sepsis-related Organ Failure Assessment scores with those of the porcine model. RESULTS:The hyperdynamic phase of increasing cardiac output with decreasing systemic vascular resistance was maintained until 2 h, followed by the reverse (hypodynamic phase). With the escalating requirement for fluid and vasopressor, the lactate level progressively increased while the platelet count, urine output, and serum albumin level consistently decreased. Bacteremia developed 7 h (median) after the administration of feces, and Escherichia coli was the most common pathogen. The pattern of Sepsis-related Organ Failure Assessment scores with prominent cardiovascular failure was comparable to clinical data. CONCLUSIONS:We implemented a porcine fecal peritonitis-induced sepsis model that demonstrates culture-proven bacteremia and multiple organ failure, particularly cardiovascular system failure. This model could facilitate the development of technologies for the early diagnosis of bacterial pathogens in blood. 10.1016/j.jss.2019.06.094