School of Nursing, University of California, San Francisco, San Francisco, California 94143-0606, USA.
Heart Lung. 2013 Mar-Apr;42(2):98-104. doi: 10.1016/j.hrtlng.2013.01.002.
Vital exhaustion, a psychological state characterized by extreme fatigue, is an independent predictor of future cardiac events. However, the attributes of vital exhaustion following coronary artery bypass (CABG) surgery are poorly understood.
The study objective was to assess correlates of vital exhaustion following CABG surgery.
In a descriptive, exploratory study, 42 patients who had CABG surgery were evaluated for exhaustion 4-8 weeks post-hospital discharge. Demographic and clinical data were obtained from self-report and medical chart review.
Of the total sample (mean age 67.9 ± 12.5, 90% male, 70% Caucasian, 3.12 ± 1.3 grafts), approximately 41% reported exhaustion. When compared to their exhausted post-CABG counterpart, non-exhausted post-CABG patients had a significantly higher frequency of preoperative insulin use. Exhausted patients were significantly more likely to have higher left ventricular ejection fraction ([LVEF], OR: 1.07, p = 0.04), and elevated hemoglobin (OR: 2.98, p = 0.03) and eosinophils (OR: 1.02, p = 0.02) than those who were not exhausted.
Clinicians should evaluate all patients for exhaustion post-CABG surgery; patients with elevated LVEF, hemoglobin, and eosinophil levels warrant increased scrutiny.
极度疲劳是一种心理状态，称为心力耗竭，它是未来心脏事件的独立预测因素。然而，冠状动脉旁路移植术（CABG）后心力耗竭的特征尚不清楚。
本研究旨在评估 CABG 手术后心力耗竭的相关因素。
在一项描述性、探索性研究中，对 42 名 CABG 手术后的患者在出院后 4-8 周进行了衰竭评估。人口统计学和临床数据来自自我报告和病历回顾。
在总样本（平均年龄 67.9 ± 12.5，90%为男性，70%为白种人，3.12 ± 1.3 个移植物）中，约 41%的患者报告了衰竭。与术后未衰竭的患者相比，术后衰竭的患者术前使用胰岛素的频率明显更高。与未衰竭的患者相比，衰竭的患者左心室射血分数（LVEF）更高（比值比：1.07，p=0.04），血红蛋白和嗜酸性粒细胞水平更高（血红蛋白：比值比：2.98，p=0.03；嗜酸性粒细胞：比值比：1.02，p=0.02）。
临床医生应在 CABG 手术后评估所有患者的衰竭情况；LVEF、血红蛋白和嗜酸性粒细胞水平升高的患者需要进行更仔细的检查。
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