Skip to main content

Advertisement

Table 2 Predictors of ICU LOS after cardiac surgery

From: Systematic review of factors influencing length of stay in ICU after adult cardiac surgery

Predictive factors Reference Predictive factors Reference
Patient related factors Arrhythmia / Atrial fibrillation [5, 9, 16, 20, 21, 28, 34, 35]
Increased age [11, 23, 24, 28, 34, 36] [5, 8, 16, 18, 20, 26] Low Ejection Fraction [21, 34, 36] [20, 22, 29]
Gender [6, 16] Left ventricular dysfunction [17, 37]
BMI [20, 38] NYHA class III-IV [6, 16, 25, 34, 36]
Body service area None Chronic heart failure [11, 21, 24]
Smoking [20, 39] Critical preoperative state [34]
Platelet count [28] Hypoactive delirium [14]
hyperglycaemia [35] Surgical factors
High preoperative serum creatinine [15, 17, 35] Non-elective surgery [16, 17, 20, 2325, 29, 36, 37]
Fat-free mass index [40] Type of surgery [14, 16]
Plasma disappearance rate of indocyanine green [18] CPB use [20]
Previous cardiac surgery [5, 24, 36, 37] Bypass time [2325]
Comorbidities Cross clamp time [38]
Hypertension [5, 20, 23] Combined surgery [34]
COPD [11, 21, 23, 24, 34, 36] Intra-aortic balloon pump [16, 24]
Diabetes [20, 39] Blood transfusion [7, 12, 24]
Insulin-dependent diabetes [21] Inotropes support [7, 16, 25, 28]
Hypercholesterolemia [20] Triple vessel or left main disease [36]
Recent Myocardial infarction [36] Complications
Renal failure/ dysfunction [11, 21, 22, 29, 36, 41] Reoperation for bleeding [26]
Unstable Angina [37] Pulmonary None
Pulmonary hypertension [37] Cardiac None
Angina class IV [20] Neurological [22]
Peripheral vascular disease [20, 24, 36] Infection [13]
   Renal complications None
  1. Abbreviation: COPD chronic obstructive pulmonary disease, BMI Body Mass Index, CPB Cardiopulmonary bypass machine