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Study aim
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Evaluating the effects of synbiotic supplementation on energy and macronutrient homeostasis and muscle wasting in critical care patients
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Design
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This is a prospective, single center, double-blind, parallel randomized controlled trial
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Settings and conduct
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The setting of the trial will be Edalatian ICU,Emam Reza Hospital,Mashhad,Iran.ٍّExcept pharmacy company and ward secretary,all patients,researchers,and medical staff will be blind.Energy requirement will be estimated according to ESPEN guideline 2018.In the hight and low nutritional risk patients enteral nutrition will be started by 50% and 30% of estimated calorie respectively.In everyday visits,we will evaluate enteral nutrition tolerance. If tolerated,EN will be increased by 10% each day to achieve calorie target. Before and after the intervention,blood and 24h urine samples will be collected.
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Participants/Inclusion and exclusion criteria
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Inclusion: Adults aged 18-65 years, ICU admission, stable hemodynamic within 24-48 hour after admission, requiring enteral nutrition via nasogastric tube feeding, and providing the written consent.
exclusion:Pregnancy and lactation, any contraindication of EN, any contraindication to placement of nasogastric feeding tube, receiving immunosuppressive treatment, radiotherapy or chemotherapy, hematologic diseases,immune deficiency, transplant recipient, known allergy,cancer or autoimmune diseases, insulin-dependent diabetes, organ failure, sepsis, artificial heart valve or congenital heart disease.
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Intervention groups
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Lactocare (ZistTakhmir, Iran) capsules 500 mg every 12h for 14 days
Placebo capsules (ZistTakhmir, Iran) every 12h for 14 days
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Main outcome variables
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Enteral feeding tolerance;Energy homeostasis;Protein catabolis;Muscle protein degradation;Muscle protein turnover;Lipolysi;Glucose homeostasis;Inflammatory status;Dysbiosis tatus and luminal integrity;Clinical prognosis;Nutritional status