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Table 4 Angiographic findings and periprocedural variables in patients with obstructive sleep apnea with regard to CPAP treatment.

From: Impact of obstructive sleep apnea on the occurrence of restenosis after elective percutaneous coronary intervention in ischemic heart disease

 

No CPAP n = 14

CPAP n = 21

p

Severity of OSA

   

BMI (kg/m2)

26.4 ± 3.3

29.3 ± 4.2

0.04

AHI (ev/h)

26.3 ± 17.6

27.4 ± 16.0

0.8

Min SaO2 (%)

83.6 ± 4.3

82.8 ± 3.9

0.9

Arteriogramm and lesion characteristics

   

Coronary artery narrowed (RCA/LAD/LCX)

2/9/3

6/8/7

 

Type of lesion A/B/C

9/2/3

8/9/4

 

Reference diameter (mm)

3.0 ± 0.6

3.1 ± 0.6

0.82

Final balloon size (mm)

3.1 ± 0.5

2.9 ± 0.4

0.25

Maximal inflation pressure (atm)

9.4 ± 1.8

11 ± 2.8

0.07

Total inflation time (sec)

70 ± 36

84 ± 50

0.41

Stent, n (%)

7 (50)

15 (71)

0.09

Restenosis > 50%, n (%)

4 (28.6)

5 (23.8)

0.32

Late loss (mm)

0.99 ± 0.86

0.57 ± 0.47

0.08

Ejection fraction (%)

61 ± 15

67 ± 16

0.28