Do body mass index and Nutritional Risk Score 2002 influence the in-hospital mortality of patients following cardiac arrest?
Open accessAbstract
Background: Contemporarily, cardiac arrest (CA) remains one of the leading causes of death. Poor nutritional status can increase the post-CA mortality risk. The aim of this study was to determine the relationship between body mass index (BMI) and Nutritional Risk Score 2002 (NRS 2002) results and in-hospital mortality in patients admitted to the intensive care unit (ICU) after in-hospital and out-of-hospital cardiac arrest. Methods: A retrospective study and analysis of medical records of 161 patients admitted to the ICU of the University Clinical Hospital in Wrocław (Wrocław, Poland) was conducted. Results: No significant differences in body mass index (BMI) and nutritional risk score (NRS 2002) values were observed between non-survivors and survivors. Non-survivors had significantly lower albumin concentration (p = 0.017) and total cholesterol (TC) (p = 0.015). In multivariate analysis BMI and NRS 2002 scores were not, per se, associated with the in-hospital mortality defined as the odds of death (Model 1: p: 0.700, 0.430; Model 2: p: 0.576, 0.599). Univariate analysis revealed significant associations between the hazard ratio (HR) and TG (p ≈ 0.017, HR: 0.23) and hsCRP (p ≈ 0.018, HR: 0.34). In multivariate analysis, mortality risk over time was influenced by higher scores in parameters such as BMI (HR = 0.164; p = 0.048) and hsCRP (HR = 1.006, p = 0.002). Conclusions: BMI and NRS 2002, on their own (unconditionally – in the whole study group) did not alter the odds of mortality in patients admitted to the intensive care unit (ICU) after in-hospital and out-of-hospital cardiac arrest. The risk of in-hospital mortality (expressed as hazard ratio – the risk over the time period of the study) increased with an increase in BMI but not with NRS 2002.
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In contrast to patients with heart failure, BMI and nutritional risk scores do not predict outcomes after cardiac arrest.
“In contrast to patients with HF, BMI and nutritional risk scores do not predict outcomes after cardiac arrest.172,173”
From Malnutrition and Cachexia in Inpatients With Acute Cardiac Conditions: A Scientific Statement From the American Heart Association (2026) · cites this paper as [172]
The Conclusions report that neither BMI nor NRS 2002 independently altered the odds of in-hospital death in ICU patients after cardiac arrest. But they also report that higher BMI was associated with increased mortality risk over time, so the blanket statement that neither predicts outcomes is too broad. (LLM, conf=0.88)
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- Authors
- Fehler, P., Zielińska, M., Uchmanowicz, B., Juárez-Vela, R., Lewandowski, Ł., Zieliński, S., & Czapla, M.
- Affiliations
- Wroclaw Medical University (PL)
- Group of Research in Care (GRUPAC), Faculty of Health Sciences, University of La Rioja, 26006 Logroño, Spain
- Universidad de La Rioja (ES)
- Corresponding author
- Zielińska, Marzena
- ORCID
- Venue
- Nutrients
- Publisher
- MDPI AG
- Published
- 2023-01-14
- Volume
- 15
- Issue
- 2
- Pages
- 436
- ISSN
- 2072-6643 (ISSN-L)
- PMC
- PMC9863085
- OpenAlex
- W4316466058
- Cited by
- 10
- References
- 55
- Citations by year
- 2026: 2 · 2025: 2 · 2024: 2 · 2023: 4
- FWCI
- 3.07
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Nutrients (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- RIUR (Universidad de La Rioja) (submittedVersion, other-oa)
- Funders
- Ministry of Science and Higher Education of Poland under the statutory grant of the Wrocław Medical University (SUBZ.E250.22.095)
- Topics
- Health Sciences › Medicine › Emergency Medicine › Cardiac Arrest and Resuscitation
- Health Sciences › Nursing › Nutrition and Dietetics › Clinical Nutrition and Gastroenterology
- Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
- Keywords
- body mass index, in-hospital mortality, cardiac arrest, out-of-hospital cardiac arrest, in-hospital cardiac arrest, nutritional status, intensive care unit, high-sensitivity C-reactive protein, triglycerides, serum albumin, total cholesterol
- MeSH terms
- C-Reactive Protein, Humans, Retrospective Studies, Risk Factors, Body Mass Index, Hospital Mortality, Out-of-Hospital Cardiac Arrest
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