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Table 2 Hemodynamic and microcirculatory parameters during postoperative atrial fibrillation (POAF) and after return to sinus rhythm (SR)

From: Microvascular effects of intravenous esmolol in patients with normal cardiac function undergoing postoperative atrial fibrillation: a prospective pilot study in cardiothoracic surgery

Variables

POAF

SR

P value

Hemodynamic parameters

 HR (beats/min)

133 ± 22

79 ± 13

< 0.001

 MAP (mmHg)

81 ± 13

80 ± 13

0.529

 PP (mmHg)

49 ± 12

58 ± 15

0.041

 SpO2 (%)

95 ± 2

96 ± 3

0.944

Microcirculatory parameters

 StO2 (%)

64 ± 6

67 ± 6

< 0.001

 Resaturation speed (%/s)

0.53 (0.42–0.97)

0.66 (0.51–1.03)

0.020

 Desaturation speed (%/s)

0.07 (0.04–0.09)

0.08 (0.04–0.10)

0.529

 ∆StO2 (%)

7.9 ± 4.8

6.1 ± 4.7

0.026

 StO2 min (%)

40 (40–49)

40 (40–49)

0.396

 StO2 max (%)

72 ± 5

72 ± 5

0.483

  1. Data are shown as absolute values, means ± SD, or medians (25th–75th percentile)
  2. HR heart rate, MAP mean arterial pressure, PP pulse pressure, SpO 2 arterial oxygen saturation, StO 2 tissue oxygen saturation