Altered function of the left ventricle and clinical significance of heart‑type fatty acid‑binding protein in cardiac dysfunction among patients with sepsis
- Guopeng Weng
- Peigang Tian
- Xiaojun Yan
- Qinghong Cheng
Affiliations: Second Department of Critical Care Medicine, The First Affiliated Hospital of Medical College, Shihezi University, Shihezi, Xinjiang 832002, P.R. China, Department of Cardiac Echocardiography, The First Affiliated Hospital of Medical College, Shihezi University, Shihezi, Xinjiang 832002, P.R. China
- Published online on: September 4, 2020 https://doi.org/10.3892/etm.2020.9186
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The present study aimed to determine the clinical significance of heart‑type fatty acid‑binding protein (H‑FABP) in patients with sepsis‑induced cardiac dysfunction. A total of 30 healthy subjects served as the control group and 80 patients with sepsis were recruited for the present single‑center prospective observational study for the final analysis. Among these patients, 50 developed cardiac dysfunction, while no cardiac dysfunction was detected in the remaining 30 patients. Echocardiography was performed on days 1, 3, 7 and 10 of hospitalization. Routine blood biochemistry, serum H‑FABP, N‑terminal pro‑brain natriuretic peptide (NT‑proBNP) and troponin I were also analyzed. Alterations in cardiac biomarkers and echocardiography results were compared between patients with sepsis who did and who did not develop any cardiac dysfunction to determine the time of the occurrence of sepsis‑induced cardiac dysfunction. Furthermore, the significance of H‑FABP in the prediction of the 28‑day mortality rate was evaluated using binary logistic regression analysis for sepsis and receiver operating characteristic (ROC) curve analysis. In addition, the specificity and sensitivity of H‑FABP in the prediction of sepsis‑induced cardiac dysfunction were verified using ROC curve analysis. For patients with cardiac dysfunction, the levels of cardiac output (CO), stroke volume (SV), mitral early diastolic peak velocity to mitral atrial systolic peak velocity ratio (E/A) and left ventricle ejection fraction (LVEF) were relatively decreased, while the levels of H‑FABP and NT‑proBNP were markedly increased compared with patients with sepsis and without cardiac dysfunction. CO and SV initially increased and subsequently decreased. EF was elevated, and E/A initially decreased and subsequently increased. Furthermore, H‑FABP and NT‑proBNP decreased in sepsis patients with cardiac dysfunction. The results of the ROC curve and binary logistic regression analyses suggest that H‑FABP was associated with the 28‑day prognosis for patients with sepsis. An H‑FABP level of >35.7 ng/ml was able to predict the 28‑day mortality for patients with sepsis, with an area under the curve (AUC) of 0.680. Furthermore, >30.3 ng/ml was the threshold for the prediction of sepsis‑induced cardiac dysfunction, and the sensitivity and specificity were 76.27 and 61.76%, respectively, with an AUC of 0.673. In summary, patients with sepsis had an increased risk of cardiac insufficiency on days 7‑10 of hospitalization. In addition, H‑FABP may serve as an indicator to predict the prognosis of patients with sepsis in the short term, which has a certain significance in the diagnosis of sepsis‑induced cardiac dysfunction.