Aortic valve replacement in elderly with small aortic root and low body surface area; the Perceval S valve and its impact in effective orifice area

Table 2 Peroperative date and results

	SVP (25) sutureless valve	BVP (25) classic biological valve (soprano)	P value
Number of patients	25	25
Preop. max gradient	88 ± 10.5	89 ± 12.5
Postop. max gradient	23.5 ± 19.20 mmHg	24.5 ± 19.90 mmHg	0.670
Preop EOA	0.45 ± 0.19	0.47 ± 0.21
Postop ΕΟΑ	1.5 ± 0.3 cm²	1.1 ± 0.5 cm²	0.002
Operation time	149.38 ± 15.22 min	206.64 ± 42.85 min	p < 0.001
CPB time	73.75 ± 8.12 min	120.36 ± 28.31 min	p < 0.001
Ischemia time	40 ± 5.50 min	86 ± 15.86 min	p < 0.001
Temporary postop pacing, permanent	15/25-3/25	2/25- 0/25
Postoperative intubation time	6 ± 1.5 h	7 ± 1 h
ICU stay	15 ± 3.5 h	16 ± 4 h
Hospital stay	8 ± 1.5 days	7 ± 1.8 days
Postop follow-up	8 ± 1.5 months	8 ± 1.8 months
Death	0/25	1/25 arhythmia

Comparison of the two groups of patients. EOA effective orifice area, ICU intensive care unit

ISSN: 1749-8090