• Ahmet Emrah Açan, Bülent Özlek, Cem Yalın Kılınç, Murat Biteker, and Nevres Hurriyet Aydoğan.
• Department of Orthopedics and Traumatology, Muğla Sıtkı Koçman University Faculty of Medicine, Muğla-Turkey.
• Ulus Travma Acil Cer. 2020 Jul 1; 26 (4): 600-606.

BackgroundTo examine the influence of heart failure (HF) with preserved ejection fraction (HFPEF) and HF with mid-range ejection fraction (HFmrEF) on perioperative cardiac and noncardiac outcomes following hip fracture surgery.MethodsData of elderly patients (≥ 65 years) who underwent hip fracture surgery were retrospectively analyzed in this study. Patients with a left ventricular ejection fraction (LVEF) <40% were not included in this study. The definition of preoperative HFPEF (LVEF ≥50%) and HFmrEF (LVEF 40%-49%) was based on clinical documentation of HF in patients' medical records before surgery. The primary outcomes of this study were perioperative adverse events and mortality. The secondary outcome of interest was the length of stay in the hospital.ResultsA total of 328 patients (mean age 79.2±8.7 years, and 57.3% female) were enrolled. Of the study population, 250 (76.2%) patients had no HF, 50 (15.2%) patients had HFPEF, and 28 (8.6%) patients had HFmrEF before surgery. The frequency of perioperative cardiovascular and non-cardiovascular complications was similar to a rate of 7.0%. The mean length of hospital stay was 8.1±5.8 days, and the in-hospital mortality rate was 4.6%. Patients with HFPEF and HFmrEF had a longer length of stay and were more likely to experience perioperative complications and death than the patients without HF. Multivariate analyses showed that the presence of HFPEF and HFmrEF were both associated with increased rates of perioperative complications and mortality.ConclusionOur findings suggest that the presence of HFPEF and HFmrEF may predict perioperative adverse events and mortality in elderly patients undergoing hip fracture surgery.

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