eISSN: 1897-4295
ISSN: 1734-9338
Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej
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3/2023
vol. 19
 
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abstract:
Original paper

The association of body composition assessment with hospital length of stay in off-pump coronary artery bypass patients

Radosław Wilimski
1
,
Mikołaj Marszałek
1
,
Bartosz Walkowski
1
,
Wojciech Michalski
1
,
Ceren Eyileten
2
,
Zuzanna Przekop
3
,
Aleksandra Małachowska
3
,
Anita Grochowska
3
,
Maja Sosnowska
4
,
Mariusz Kuśmierczyk
1

  1. Department of Cardio-Thoracic Surgery and Transplantology, Medical University of Warsaw, Warsaw, Poland
  2. Department of Clinical and Experimental Pharmacology, Medical University of Warsaw, Warsaw, Poland
  3. Department of Clinical Dietetics, Faculty of Health and Science, Medical University of Warsaw, Warsaw, Poland
  4. Department of Diabetology and Internal Diseases, Medical University of Warsaw, Warsaw, Poland
Adv Interv Cardiol 2023; 19, 3 (73): 233–242
DOI: https://doi.org/10.5114/aic.2023.131476
Online publish date: 2023/09/27
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Introduction:
Bioelectrical impedance analysis is a widely available, non-invasive method for body composition assessment.

Aim:
To elucidate the perioperative body composition alterations and their prognostic utility for hospital length of stay (LOS) in low risk, off-pump coronary artery bypass (OPCAB) patients.

Material and methods:
Fifty patients undergoing elective OPCAB were included in the study. Body composition assessments were performed 1 day before the scheduled surgery and on the 6th postoperative day. Patients were grouped into < 9 days (n = 29, 58%) and ≥ 9 days (n = 21, 42%). Multivariate logistic regression analysis was performed to create a body composition-based screening panel for prolonged hospital stay.

Results:
No significant differences in anthropometric measurements, clinical characteristics or occurrence of postoperative complications were detected between the study groups. Patients with longer hospitalization had significantly higher content of fat mass (FM%) and fat mass index (FMI), and significantly lower content of fat free mass (FFM%) baseline parameters (p = 0.011, p = 0.04 and p = 0.012, respectively). High FM% values had 15-fold, low FFM% values had 13-fold and high FMI values had 7-fold higher risk of experiencing longer stay in the hospital (p = 0.001, p = 0.001 and p = 0.005, respectively). The combined panel of three variables (higher FM%, lower FFM% and higher FMI) had 16-fold higher risk of longer hospitalization (adjusted OR = 16.40; 95% CI: 3.52–76.34; p = 0.0004).

Conclusions:
Preoperative high FM and low FFM content are independent predictors of prolonged hospital length of stay in normal- and increased-BMI patients after OPCAB.

keywords:

bioelectrical impedance analysis, coronary artery bypass grafting, body composition, hospital length of stay
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