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Background: In 2020, a novel coronavirus has spread throughout the world. More than four hundred thousand people have died of SARS-CoV-2 pneumonia, most of which were severe and critical patients. No effective antiviral treatment has been verified thus far. Nutrition support has become one of the important treatments for severe and critical patients. Methods: In this retrospective study, 26 severe patients and 22 critical patients with laboratory confirmed COVID-19 were enrolled. We recorded the diet and nutritional treatments in severe and critical patients. Baseline characteristics and clinical outcomes of severe and critical patients were also collected. Results: Average calorie intake of severe patients (19.3 kcal/kg/d) was higher than critical patients (15.3 kcal/kg/d) (P = 0.04). Protein intake was similar in the two groups (0.65 and 0.62 g/kg per day, respectively; P = 0.29). There was no significant difference in the median duration of viral shedding between the severe and critical patients (P = 0.354). Conclusions: A permissive underfeeding strategy that restricts non-protein calories but preserves protein intake is feasible for critical patients with SARS-CoV-2 pneumonia. Viral shedding duration of critical patients was the same as severe patients who received standard feeding. Nevertheless, evidence of the conclusion is not sufficient because of small sample size. To show the real clinical benefit of permissive low-calorie and adequate protein intake in critical SARS-CoV-2 pneumonia patients, a large and pragmatic randomized controlled trial is needed.
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document_parses/pdf_json/dc85f05f41a60c81c5ca8141b4a2935ef5414bbf.json
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document_parses/pmc_json/PMC7711882.xml.json
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Nutritional Support and Clinical Outcome of Severe and Critical Patients With COVID-19 Pneumonia
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