Table III.

Clinical and echocardiographic predictors of perioperative death in patients referred for reoperation due to causes of prosthetic valve dysfunction other than endocarditis

	Death (n = 22)	Survival (n = 114)	Value of p
Age [years]	Mean (from-to)		54.57 ±8.7 (38-69)	53.91 ±10.7 (18-73)	NS
Sex	Men/Women	n	4/18	40/74	NS
Urgent indications		n	5	20	NS
NYHA class III-IV		n	20	48	< 0.001
Time from PVR [months] mean, med., from-to				105.9 ±60, 114, 0-230	< 0.02
		≤ 30 days; n	7	8
		31-180 days; n	12	7
		> 180 days; n	3	99
One valve		n	20	93	NS
Two valves		n	2	21	NS
PV mechanical/bioprosthesis		n	15/7	45/69	< 0.02
Additional procedures		n	6	23	NS
Prosthetic valve dysfunction*		n	15	45	-
Disc blockage		n	7	23	NS
Paravalvular leak		n	5	12	NS
Structural degeneration		n	2	4	NS
Other		n	1	6	NS
Atrial fibrillation		n	21	84	< 0.01
Ejection fraction < 55%		n	11	40	NS

PVI - prosthetic valve implantation,

^*refers to patients operated on for mechanical prosthetic valve dysfunction