Variable | Covid-19 positive pre-surgery Frequency (%)/mean ± SD or Median[IQR] (n = 17) | Covid-19 positive post-surgery Frequency (%)/mean ± SD or Median[IQR] (n = 35) | p (Covid-19 positive vs Covid-19 negative) |
---|---|---|---|
Demographics | |||
Age (years/median [IQR]) | 60 [45–65] | 70 [57–74] | 0.029 |
Female gender | 2 (11.8) | 2 (5.7) | 0.589 |
Ethnicity | |||
White | 8 (80.0) | 22 (95.7) | 0.212 |
Asian | 0 (0.0) | 0 (0.0) | |
Black | 2 (20.0) | 1 (4.4) | |
Other | 0 (0.0) | 0 (0.0) | |
Cardiac risk factors | |||
BMI (kg/m2/median [IQR]) | 25.6 [24.7–28.3] | 27.4 [25–33] | 0.084 |
Examination and investigation | |||
Pre-op heart rhythm | |||
Sinus rhythm | 16 (94.1) | 28 (80.0) | 0.030 |
Atrial fibrillation/flutter | 0 (0.0) | 7 (20.0) | |
Complete heart block/pacing | 1 (5.9) | 0 (0.0) | |
Ventricular fibrillation/tachycardia | 0 (0.0) | 0 (0.0) | |
Other abnormal rhythm | 0 (0.0) | 0 (0.0) | |
Pre-operative risk assessment | |||
EuroSCORE (median [IQR]) | 2.8 [1.6–6.4] | 4.9 [2.5–6.5] | 0.400 |
Intra-operative details | |||
Aortic cross clamp time (minutes) | 72 [45–84] | 92 [75–139] | 0.017 |
Outcome | |||
Number of days ventilated | 1 [1–2] | 2 [1–5] | 0.017 |
Post-operative length of stay (days) | 7 [5–11] | 12 [7–21] | 0.024 |
In-hospital mortality | 0 (0) | 13 (37.1) | 0.005 |