scholarly journals Vascular endothelial cell changes in postcardiac surgery acute kidney injury

2018 ◽  
Vol 314 (5) ◽  
pp. F726-F735 ◽  
Author(s):  
Saqib H. Qureshi ◽  
Nishith N. Patel ◽  
Gavin J. Murphy
Keyword(s):  
Acute Kidney Injury ◽  
Vascular Endothelial Cell ◽  
Adherens Junction ◽  
Kidney Injury ◽  
Endothelial Glycocalyx ◽  
P Value ◽  
Sham Operation ◽  
Ulex Europaeus ◽  
Group 2 ◽  
And Function

Acute kidney injury (AKI) is common complication of cardiac surgery; however, the phenotype of this condition is poorly defined. The aim of this study was to characterize changes in endothelial structure and function that underlie postcardiopulmonary bypass (post-CPB) AKI. Adult pigs ( n = 16) were randomized to undergo the following procedures ( n = 8 per group): group 1: sham operation, neck dissection with 2.5 h of general anesthesia; and group 2: CPB, 2.5 h of cardiopulmonary bypass. CPB resulted in the depletion of specific epitopes of glycosaminoglycans side chains of the endothelial glycocalyx: Dolichos biflorus agglutinin: mean difference (MD) [95% confidence interval (CI)], P value: −0.26 (−0.42, −0.09), P = 0.0024, Triticum vulgaris (wheat germ) agglutinin: −0.83 (−1.2, −0.38), P = 0.0005, and Ulex europaeus agglutinin 1: −0.25 (−0.49, −0.009), P = 0.041; endothelial membrane protein: thrombomodulin: −3.13 (−5.6, −0.65), P = 0.02; and adherens junction: VE-cadherin: −1.06 (−1.98, −0.145), P = 0.02. CPB also resulted in reductions in microvascular cortical perfusion: −0.62 (−1.02, −0.22), P = 0.006, and increased renal cortex adenosine levels: 2.32 (0.83, 3.8), P = 0.0059. These changes were accompanied by significant reduction in creatinine clearance at 1.5 h postintervention, MD 95% CI; −51.7 (−99.7, −3.7), P = 0.037, and at 24 h, MD (95% CI): −47.3 (−87.7, −7.6), P = 0.023, and proteinuria immediately postintervention MD (95% CI): 18.79 (2.17, 35.4), P = 0.03 vs. sham. In our experimental CPB model, endothelial injury was associated with loss of autoregulation, increase in microvascular permeability, and reduced glomerular filtration. Interventions that promote endothelial homeostasis may have clinical utility in the prevention of postcardiac surgery AKI.

scholarly journals Association between preoperative level of hemoglobin A1c and the incidence of acute kindey injury after coronary artery bypass grafting surgery: a cohort study

2021 ◽  
Vol 13 (1) ◽  
Author(s):  
Ghada Mohamed Samir ◽  
Omar Mohamed Ali Mohamed Omar ◽  
Madiha Metwally Zidan ◽  
Hazem Abd El Rahman Fawzy ◽  
Marwa Mamdouh Mohamed El Far
Keyword(s):  
Acute Kidney Injury ◽  
Coronary Artery ◽  
Coronary Artery Bypass Grafting ◽  
Coronary Artery Bypass ◽  
Hemoglobin A1c ◽  
Artery Bypass ◽  
Kidney Injury ◽  
P Value ◽  
Bypass Grafting ◽  
Artery Bypass Grafting

Abstract Background The development of acute kidney injury (AKI) is an important indicator of clinical outcomes after cardiac surgery. Elevated preoperative hemoglobin A1c level may be associated with acute kidney injury in patients undergoing coronary artery bypass grafting. This study will investigate the association of preoperative HbA1c levels with AKI after isolated coronary artery bypass grafting (CABG). Results Forty patients undergoing elective CABG were enrolled in this cohort study. Patients are divided into 2 equal groups who underwent isolated coronary artery bypass grafting (CABG): patients with preoperative HbA1c 5.7–6.4% (group A) (prediabetics) and patients with preoperative HbA1c > or = 6.5% (group B) (diabetics). Acute kidney injury according to the Kidney Disease: Improving Global Outcomes criteria developed in 11 patients (27.5%). There was a significant difference between the two groups as regards postoperative urinary NGAL, creatinine level on the 1st day, creatinine level on the 2nd day, urine output on the 1st day, and urine output on the 2nd day (p value was 0.001, 0.002, 0.006, 0.0002, and 0.012 respectively). Postoperative ICU stay duration was statistically significant in the diabetic group (P value 0.009). The need for renal replacement therapy was higher in the diabetic group, but it was not statistically significant between the two groups. Roc analysis shows AUC 0.922 with a significant p value (< 0.0001) and cut of value (≥ 7) with sensitivity 81.82 and specificity 93.10. Conclusion This study revealed that elevated preoperative HbA1c level above 7% showed an increase in incidence of post CABG acute kidney injury along with increase length of postoperative ICU stay.

scholarly journals Endothelial progenitor cells-derived exosomal microRNA-21-5p alleviates sepsis-induced acute kidney injury by inhibiting RUNX1 expression

2021 ◽  
Vol 12 (4) ◽  
Author(s):  
Yue Zhang ◽  
Hongdong Huang ◽  
Wenhu Liu ◽  
Sha Liu ◽  
Xue Yan Wang ◽  
...  
Keyword(s):  
Acute Kidney Injury ◽  
Progenitor Cells ◽  
Endothelial Progenitor Cells ◽  
Cecal Ligation ◽  
Kidney Injury ◽  
Renal Tissue ◽  
Endothelial Glycocalyx ◽  
Endothelial Progenitor ◽  
Marker Proteins ◽  
Related Transcription Factor

AbstractThe role of microRNA-21-5p (miR-21-5p) in sepsis-induced acute kidney injury (AKI) has been seldom discussed. Therefore, the objective of this present study was to investigate the mechanism of endothelial progenitor cells-derived exosomes (EPCs-exos) in sepsis-induced AKI via miR-21-5p/runt-related transcription factor 1 (RUNX1) axis. miR-21-5p was downregulated and RUNX1 was upregulated in the kidney of cecal ligation and puncture (CLP) rats, and miR-21-5p targeted RUNX1. Elevation of miR-21-5p improved renal function and renal tissue pathological damage, attenuated serum inflammatory response, as well as reduced apoptosis and oxidative stress response in renal tissues, and regulated endothelial glycocalyx damage marker proteins syndecan-1 and heparanase-1 in CLP rats. Overexpression of RUNX1 abolished the impacts of elevated miR-21-5p in CLP rats. Also, EPCs-exos upregulated miR-21-5p expression, and functioned similar to elevation of miR-21-5p for CLP rats. Downregulating miR-21-5p partially reversed the effects of EPCs-exos on sepsis-induced AKI. Collectively, our study suggests that EPCs release miR-21-5p-containing exosomes to alleviate sepsis-induced AKI through RUNX1 silencing.

scholarly journals Association of Blood Type on Clinical Outcomes in Black/African Americans Hospitalized for COVID-19 Infection

Blood ◽  
2020 ◽  
Vol 136 (Supplement 1) ◽  
pp. 14-14
Author(s):  
Yan Cheng ◽  
Sharif Mohammed ◽  
Alexis Okoh ◽  
Ki (Steve) Lee ◽  
Corinne Raczek ◽  
...  
Keyword(s):  
Acute Kidney Injury ◽  
African Americans ◽  
Hospital Mortality ◽  
Kidney Injury ◽  
Type A ◽  
Blood Type ◽  
P Value ◽  
Single Center ◽  
Black African ◽  
O 31

Introduction: Early studies from Wuhan, China have reported an association between blood type and outcomes in COVID-19 infected patients. Conflicting reports in literature have investigated the protective role of blood type O against worst outcomes associated with COVID-19 infections. Approximately 50% of Black/African Americans (AA) have blood group O. Our study is the only study to date looking at the association between Black/AA and blood type. We aimed to determine the association between blood type and Black/AA patients hospitalized for COVID-19. Methods: We retrospectively reviewed data on patients with known blood type, who were admitted for COVID-19 at a single center between March and April 2020. We excluded other races in our study because only about 2% of the population was Caucasian and 8% representing other races, representing a small subset of patients under study whereas Black/AA represented about 90% of our hospitalized patients. Patients were stratified into 4 groups based on their ABO blood type. Baseline demographic, clinical characteristics and clinical course of the disease were compared. The primary end point was in-hospital mortality. Secondary endpoints included admission to the intensive care unit (ICU), acute kidney injury requiring hemodialysis and length of stay (LOS). Results: During the study period, a total of 256 patients were reviewed. Distribution of ABO type was as follows; A: (N=65) 25%, B: (N=62) 24%, AB: (N=9) 4%, O: (N=120) 47%. Compared to blood types A, B and O, AB patients were younger (mean; yrs. 63 vs. 63 vs. 62 vs. 43 yrs. p=0.0242). Blood type B patients were more likely to present with nausea, than groups A, AB, and O. (27% vs. 10% vs. 0% vs. 5%; p=0.017). All other characteristics including baseline inflammatory markers were comparable. There was no difference among groups regarding in-hospital mortality (A: 39% B: 29% AB: 33% O: 31% p value: 0.676) or admission to the ICU (A:31% B: 28% AB: 33% O: 34% p value: 0.840). The incidence of acute kidney injury requiring hemodialysis was higher in blood type A patients compared to B, AB, and O. (31% vs. 0% vs. 23% vs. 19%; p=0.046). In hospital LOS was comparable among all groups. Conclusions: In this single center analysis of black/AA patients admitted for COVID-19, there was no association between blood type and in-hospital mortality or admission to ICU. Blood type A patients had a higher propensity of kidney injury, but this did not translate into worse in-hospital survival. Disclosures Cohen: GBT: Speakers Bureau.

Acute Kidney Injury following Cardiac Surgery

2015 ◽  
pp. 451-480
Author(s):  
Bryan Romito ◽  
Joseph Meltzer
Keyword(s):  
Acute Kidney Injury ◽  
Cardiac Surgery ◽  
Surgical Techniques ◽  
Kidney Injury ◽  
Renal Physiology ◽  
General Management ◽  
Novel Biomarkers ◽  
Short And Long Term ◽  
And Function

The primary goal of this chapter is to provide the reader with an overview of basic renal physiology and function and to review the identification, pathogenesis, and treatment of acute kidney injury following cardiac surgery. Particular focus will be directed toward the diagnostic criteria for acute kidney injury, short- and long-term impacts on patient outcomes, role of novel biomarkers, mechanisms of acute renal injury, general management principles, preventative strategies, and the influence of anesthetic and surgical techniques on its development. The content of this chapter will serve to underscore a particularly harmful but likely underappreciated problem affecting patients in the cardiothoracic critical care setting.

scholarly journals Urinary N-Acetyl-Beta-D-Glucosaminidase Activity in Rat Experimental Ischemic and Toxic Models of Acute Kidney Injury

2017 ◽  
Vol 74 (1) ◽  
pp. 105
Author(s):  
Razvan Andrei CODEA ◽  
Mircea MIRCEAN ◽  
Sidonia Alina BOGDAN ◽  
Andras Laszlo NAGY ◽  
Alexandra BIRIS ◽  
...  
Keyword(s):  
Acute Kidney Injury ◽  
Experimental Model ◽  
Wistar Rats ◽  
Ischemia Reperfusion Injury ◽  
Ischemia Reperfusion ◽  
Kidney Injury ◽  
Control Group ◽  
Tubular Injury ◽  
Group 2 ◽  
Group 1

The identification of a suitable prevention method which facilitates limiting the deleterious effects of acute kidney injuries is highly required. In order to identify a proper treatment for acute kidney injuries, a suitable experimental model that replicates the structural, metabolic and inflammatory lesions that occur in the natural acute injured kidney is highly necessary. Intense urinary NAG activity can be found in a variety of renal disease such as toxic nephropathies, ischemic renal injury following cardiac surgery or renal transplantation but also in glomerular disease especially in diabetic nephropathy. Rises in urinary NAG enzyme activity strongly suggests tubular cell damage and support NAG enzyme as a biomarker of renal tubular injury. The aim of this paper is to obtain a stable in vivo acute kidney injury experimental model, in Wistar, rats and to evaluate the urinary activity of N-acetyl-β-D-glucosaminidase (NAG) enzyme, blood levels of urea and creatinine and microstructural renal alterations induced by ischemia/reperfusion injury respectively gentamicin nephrotoxicity. For this purpose we have used a rat experimental model. Adult male Wistar rats weighing 250-300 g were randomly divided into 3 groups with 8 rats in each group. Group 1 served as a model for the renal ischemia/reperfusion injury experiment, group 2 served for toxic kidney injury experimental model and group 3 served as control group. All individuals in both groups 1 and 2 presented marked elevations in blood urea and creatinine at the moment of euthanasia (day 3 for group 1 and day 9 for group 2) compared to the control group where biochemical values remained within normal limits. Urine analysis of both group 1 and 2 showed marked urinary NAG index activity which suggests acute tubular injury, suggestion confirmed by histological evaluation of the renal parenchyma sampled from this subjects

scholarly journals Predictors of mortality in children with acute kidney injury in intensive care unit

2019 ◽  
Vol 59 (2) ◽  
pp. 92-7
Author(s):  
Umi Rakhmawati ◽  
Indah K. Murni ◽  
Desy Rusmawatiningtyas
Keyword(s):  
Intensive Care Unit ◽  
Acute Kidney Injury ◽  
Intensive Care ◽  
Protective Factor ◽  
Kidney Injury ◽  
Pediatric Intensive Care ◽  
P Value ◽  
Middle Income ◽  
Predictors Of Mortality ◽  
Middle Income Countries

Background Acute kidney injury (AKI) can increase the morbidity and mortality in children admitted to the pediatric intensive care unit (PICU). Previous published studies have mostly been conducted in high-income countries. Evaluations of possible predictors of mortality in children with AKI in low- and middle-income countries have been limited, particularly in Indonesia. Objective To assess possible predictors of mortality in children with AKI in the PICU. Methods We conducted a retrospective cohort study at Dr. Sardjito Hospital, Yogyakarta, Indonesia. All children with AKI admitted to PICU for more than 24 hours from 2010 to 2016 were eligible and consecutively recruited into the study. Logistic regression analysis was used to identify independent predictors. Results Of the 152 children with AKI recruited, 119 died. In order to get a P value of <0.25, multivariate analysis is run to degree AKI, ventilator utilization, primary infection disease, MOF and age.Multivariate analysis showed that ventilator use, severe AKI, and infection were independently associated with mortality in children with AKI, with odds ratios (OR) of 19.2 (95%CI 6.2 to 59.7; P<0.001), 8.6 (95%CI 2.7 to 27.6; P<0.001), and 0.2 (95%CI 0.1 to 0.8; P=0.02), respectively. Conclusion The use of mechanical ventilation and the presence of severe AKI are associated with mortality in children with AKI admitted to the PICU. Interestingly, the presence of infection might be a protective factor from mortality in such patients. 

Contrast induced acute kidney injury prevention during angiographic procedure with early renal replacement therapy

2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
V Gritti ◽  
S Pierini ◽  
M Ornaghi ◽  
A Paggi ◽  
I Baragetti ◽  
...  
Keyword(s):  
Acute Kidney Injury ◽  
Renal Replacement Therapy ◽  
Contrast Media ◽  
Replacement Therapy ◽  
Kidney Injury ◽  
Left Ventricular ◽  
Left Ventricular Ejection ◽  
P Value ◽  
Shock Onset ◽  
Ventricular Ejection Fraction

Abstract Background and purpose Post-angiography renal replacement therapy (RRT) has shown protective effects from Ci-AKI (contrast induced acute kidney injury) in patients with pre-existing advanced renal disfunction. We analysed a series of 1095 continuative patients who undergone coronary or peripheral angiography in our center. In non-haemodialyzed patients with eGFR &lt;20ml/min/1.73m2 or with poor renal reserve we performed an “early” RRT, starting during angiography procedure and applied for at least 6 h after procedure, thus diverging from previous literature data based only on post-procedure hours delayed RRT application. The RRT modality chosen was CVVHDF (continous veno-venous hemodiafiltration). Methods We considered following subjects variability: age, sex, weight, presence of hypertension, dyslipidaemia, diabetes, smoking habitude, left ventricular ejection fraction, amount of contrast media given and shock or infection occurrence during hospital stay. We evaluate statistic significative of serum creatine (SCr) variation in patients receiving RRT from pre-procedure time (T0), at 24h (T1), 48h (T2), 72h (T3) after procedure and at 3–8 weeks follow-up (T4). Quantitative data were compared with Student T test, qualitative data with Chi Square test, considering statistically significant p value &lt;0.05 with two tails. Ci-AKI was defined as serum creatinine rise ≥0.3 mg/dL at 48h from contrast media administration, following KDIGO (kidney disease improving global outcomes) guidelines definition. Results 26 patients received RRT. Medium SCr at T0 was 3.37 mg/dl and showed a significative reduction (see figure) at T1 (−0.88mg/dl = −20.6%, p=0.003) and T2 (−0.96mg/dl = −18.33%, p=0.029) and a trend towards reduction at T3 (−0.78mg/dl, p=0.174) and at T4 (−0.28mg/dl, p=0.568). Between 26 pts, 6 pts (23%) developed Ci-AKI. Only contrast media amount significatively diverge between two groups (183 ml in the group with Ci-AKI vs 162 ml in pts with no Ci-AKI, p=0.03), showing also a trend towards significance for infection occurrence (83.3% pts Ci-AKI vs 40% pts no Ci-AKI, p=0.06) and shock onset (33.3%pts Ci-AKI vs 5% pts no Ci-AKI, p=0.06). Average SCr diverge at T2 (3.18mg/dl Ci-AKI vs 2.04mg/dl no Ci-AKI, p=0.01) and at T3 (3.33mg/dl CI-AKI vs 2.31mg/dl no CI-AKI, p=0.06); we also found a trend towards progressive increase of SCr for Ci-AKI pts (T0-T1: +0.17mg/dl, p=ns; T0-T2: +0.41mg/dl, p=ns; T0-T3: +0.57mg/dl, p=ns; T0-T4: +1.35mg/dl, p=ns) and a significative reduction in SCr for no Ci-AKI pts (T0-T1: −1.23mg/dl = −29.32% p=0.001; T0-T2: −1.46mg/dl = −30.78%, p=0.01; T0-T4: −0.41mg/dl = −15.5%, p=0.05). Conclusions Early RRT with CVVHDF modality results effective in 77% of patients in avoiding Ci-AKI, with a significative SCr reduction at 24 and 48h. An increased amount of contrast media is significatively related to Ci-AKI incidence. Ci-AKI development could also possibly be related to shock and infection occurrence. Figure 1 Funding Acknowledgement Type of funding source: None

scholarly journals Renal tubular injury exacerbated by vasohibin-1 deficiency in a murine cisplatin-induced acute kidney injury model

2019 ◽  
Vol 317 (2) ◽  
pp. F264-F274 ◽  
Author(s):  
Satoshi Tanimura ◽  
Katsuyuki Tanabe ◽  
Hiromasa Miyake ◽  
Kana Masuda ◽  
Keigo Tsushida ◽  
...  
Keyword(s):  
Acute Kidney Injury ◽  
Endothelial Cells ◽  
Kidney Injury ◽  
Protective Effects ◽  
Tubular Injury ◽  
Injury Model ◽  
Peritubular Capillaries ◽  
Renal Tubular ◽  
And Function ◽  
Hospital Acquired

Acute kidney injury (AKI) is frequently encountered in clinical practice, particularly secondarily to cardiovascular surgery and administration of nephrotoxic agents, and is increasingly recognized for initiating a transition to chronic kidney disease. Clarifying the pathogenesis of AKI could facilitate the development of novel preventive strategies, because the occurrence of hospital-acquired AKI is often anticipated. Vasohibin-1 (VASH1) was initially identified as an antiangiogenic factor derived from endothelial cells. VASH1 expression in endothelial cells has subsequently been reported to enhance cellular stress tolerance. Considering the importance of maintaining peritubular capillaries in preventing the progression of AKI, the present study aimed to examine whether VASH1 deletion is involved in the pathogenesis of cisplatin-induced AKI. For this, we injected male C57BL/6J wild-type (WT) and VASH1 heterozygous knockout (VASH1+/−) mice intraperitoneally with either 20 mg/kg cisplatin or vehicle solution. Seventy-two hours after cisplatin injection, increased serum creatinine concentrations and renal tubular injury accompanied by apoptosis and oxidative stress were more prominent in VASH1+/− mice than in WT mice. Cisplatin-induced peritubular capillary loss was also accelerated by VASH1 deficiency. Moreover, the increased expression of ICAM-1 in the peritubular capillaries of cisplatin-treated VASH1+/− mice was associated with a more marked infiltration of macrophages into the kidney. Taken together, VASH1 expression could have protective effects on cisplatin-induced AKI probably by maintaining the number and function of peritubular capillaries.

scholarly journals High Preoperative Serum Syndecan-1, a Marker of Endothelial Glycocalyx Degradation, and Severe Acute Kidney Injury after Valvular Heart Surgery

2020 ◽  
Vol 9 (6) ◽  
pp. 1803
Author(s):  
Hye-Bin Kim ◽  
Sarah Soh ◽  
Young-Lan Kwak ◽  
Jae Chan Bae ◽  
Sang Hwa Kang ◽  
...  
Keyword(s):  
Acute Kidney Injury ◽  
Heart Surgery ◽  
Multivariable Analysis ◽  
Cleveland Clinic ◽  
Systolic Pressure ◽  
Kidney Injury ◽  
Endothelial Glycocalyx ◽  
Characteristic Analysis ◽  
Ventricular Systolic Pressure ◽  
Preoperative Serum

Degradation of endothelial glycocalyx (EG) is associated with inflammation and endothelial dysfunction, which may contribute to the development of acute kidney injury (AKI). We investigated the association between a marker of EG degradation and AKI after valvular heart surgery. Serum syndecan-1 concentrations were measured at induction of anesthesia and discontinuation of cardiopulmonary bypass in 250 patients. Severe AKI was defined as Kidney Disease: Improving Global Outcomes Criteria Stage 2 or 3. Severe AKI occurred in 13 patients (5%). Receiver operating characteristic analysis of preoperative syndecan-1 to predict severe AKI showed area under curve of 0.714 (95% confidence interval (CI), 0.575–0.853; p = 0.009). The optimal cut-off value was 90 ng/mL, with a sensitivity of 61.5% and specificity of 78.5%. In multivariable analysis, both preoperative syndecan-1 ≥ 90 ng/mL and Cleveland Clinic Foundation score independently predicted severe AKI. Severe tricuspid regurgitation was more frequent (42.4% vs. 17.8%, p < 0.001), and baseline right ventricular systolic pressure (41 (33–51) mmHg vs. 33 (27–43) mmHg, p = 0.001) and TNF-α (1.85 (1.37–2.43) pg/mL vs. 1.45 (1.14–1.92) pg/mL, p <0.001) were higher in patients with high preoperative syndecan-1. Patients with high preoperative syndecan-1 had longer hospital stay (16 (12–24) days vs. 13 (11–17) days, p = 0.001). In conclusion, a high preoperative syndecan-1 concentration greater than 90 ng/mL was able to predict severe AKI after valvular heart surgery and was associated with prolonged hospitalization.

The Impact of Hemodynamic Transesophageal Echocardiography on the Use of Continuous Renal Replacement Therapy in Trauma

2017 ◽  
Vol 83 (8) ◽  
pp. 855-859 ◽  
Author(s):  
Madison Griffin ◽  
Brett Howard ◽  
Sam Devictor ◽  
Josh Ferenczy ◽  
Frances Cobb ◽  
...  
Keyword(s):  
Acute Kidney Injury ◽  
Renal Replacement Therapy ◽  
Continuous Renal Replacement Therapy ◽  
Transesophageal Echocardiography ◽  
Replacement Therapy ◽  
Kidney Injury ◽  
Volume Overload ◽  
P Value ◽  
Trauma Patients ◽  
The Impact

Post-traumatic fluid management is a widely debated topic. No best-practice consensus exists. Adverse outcomes such as acute kidney injury or volume overload are common. Continuous renal replacement therapy (CRRT) is an adjunct therapy for severe acute renal failure and volume overload, but is costly and not without risk. Hemodynamic transesophageal echocardiography (hTEE) is widely accepted as a reliable way to monitor volume status of intensive care unit (ICU) patients. Although data exist evaluating hTEE and CRRT independently, there is a lack of research mutually inclusive of the two. We hypothesized that the use of hTEE is associated with less need for CRRT. Retrospective review of a level I trauma center from 2009 to 2015 identified patients that required CRRT. In 2013, we implemented a protocol using hTEE in trauma patients with significant resuscitation needs. We compared CRRTuse before and after implementation of the protocol (pre- and post-hTEE). Multivariate analysis using two sample t tests and χ2 test of the odds ratio (O.R.) was completed on variables such as injury severity score (ISS), acute kidney injury network (AKIN), days of CRRT, ICU length of stay (LOS), and hospital LOS. A total of 5037 and 6699 trauma patients were evaluated in the pre- and post-hTEE groups, respectively. Mean ISS was 22 and 28 for pre- and post-hTEE, respectively (P value 0.19). Mean AKIN was 2.7 for both groups. Mean days on CRRT was eight before hTEE and seven after hTEE (P value 0.7); 23 patients required CRRT pre-hTEE, and 15 required CRRT post-hTEE (P value 0.01 O.R. 2.4). Given, the odds of CRRT pre-hTEE are more than twice that of CRRT post-hTEE; we conclude that the use of hTEE is associated with a reduction of CRRT.

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