The comparison of GNRI and other nutritional indexes on short-term survival in geriatric patients treated for respirator
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ORIGINAL ARTICLE
The comparison of GNRI and other nutritional indexes on short‑term survival in geriatric patients treated for respiratory failure Derya Yenibertiz1 · Mustafa Ozgur Cirik2 Received: 2 June 2020 / Accepted: 13 October 2020 © Springer Nature Switzerland AG 2020
Abstract Background There are several screening tools used in the detection of malnutrition to facilitate nutritional support and predict prognosis in the elderly. Aims We aimed to compare the prognostic predictive value of geriatric nutritional risk index (GNRI) with other nutritional indices on 1 month survival in geriatric patients hospitalized for respiratory failure in intensive care unit (ICU). Methods A total of 191 geriatric patients (> 65 years) admitted to a specialized chest hospital with respiratory failure between January 2018 and January 2019 were analyzed. Patients were classified into two category according to 30-day survival: Survivors and Non-survivors. Nutritional assesment was done via GNRI, OPNI, NRS 2002, Nutric Scores in ICU. Results Using GNRI, 146 (76.3%) geriatric patients found to be at risk of malnutrition (GNRI score: ≤ 92). GNRI 70 years, which is considered an additional risk factor for malnutrition [24]. The mNUTRIC score (without IL-6) classifies patients according to the following criteria: age, APACHE II score, SOFA score, comorbidities, and days of hospitalization before ICU admission [25]. GNRI is an index of nutrition-related risk correlated with the severity of malnutrition and mortality rate in hospitalized elderly patients [6]. It was calculated as following: GNRI = 1.489 × serum albumin level (g/L) + 41.7 × (actual bodyweight [ABW]/ideal bodyweight [IBW]. The ABW/IBW ratio was set to one if the ABW exceeded the IBW. Patients were stratified into the following four categories according to GNRI cut-off values: no risk (GNRI > 98), low risk (GNRI 92 to ≤ 98), moderate risk (GNRI 82–92), severe risk (GNRI
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