Table 1.

Cardiac transplantation indication criteria

1. Accepted	Heart Failure Survival Score (HFSS, Aaronson 19976) high risk
	Peak Vo2 <10 ml/kg/min after reaching anaerobic threshold
	NYHA class III/IV heart failure refractory to maximal medical treatment
	Severely limiting ischaemia not amenable to interventional or surgical revascularisation
	Recurrent symptomatic ventricular arrhythmias refractory to medical, ICD, and surgical treatment
2. Probable	HFSS medium risk
	Peak Vo2 <14 ml/kg/min and severe functional limitations
	Instability of fluid status and renal function despite good compliance, daily weights, salt and fluid restriction and flexible diuretics
	Recurrent unstable ischaemia not amenable to revascularisation
3. Inadequate	HFSS low risk alone
	Peak Vo2 >15–18 ml/kg/min without other indications
	Left ventricular ejection fraction <20 % alone
	History of NYHA class III/IV symptoms alone
	History of ventricular arrhythmias alone

ICD, implantable cardioverter-defibrillator; NYHA, New York Heart Association; Vo₂, oxygen consumption.