Ischemic Time as a Predictor of Physical Recovery in the First Months after Heart Transplantation

Table 1

Clinical characteristics in both groups depending on achieving or not 4.5 METs (metabolic equivalents) in the effort test.

	<4.5 METs	>4.5 METs
	𝑛=22	𝑛=33
Days after surgery	59.1 ± 11.4	63.8 ± 17.3
Recipient age (years)^*	56.1 ± 9.3	48.9 ± 9.7
Donor age (years)	39.4 ± 11.6	42.4 ± 11.1
Male recipients	68.2	75.7
Male donors	68.2	57.6
Donor BMI/recipient BMI	1 ± 0.17	0.99 ± 0.19
Recipient BMI	25.1 ± 3.7	24.6 ± 3.5
PCP (mmHg)	24.5 ± 10.9	23.7 ± 10.3
PVR (WU)	2.4 ± 1.8	2.3 ± 1.4
LVEF (%)	19.1 ± 11.3	18.7 ± 10.2
Creatinine (mg/dl)	1.1 ± 0.5	1.1 ± 0.4
Ischemic time (min)^*	190.9 ± 45.9	151.3 ± 48.8
Ischemic time > 180 min^*	68.2	30.3
Inotropic treatment^#	45.5	22.7
NYHA ≥ III-IV	81.8	78.8
INTERMACS score^*	3.6 ± 1.3	4.4 ± 1.3
Diabetes mellitus	27.3	15.2
Hypertension requiring treatment	31.8	27.3
Baseline heart disease (ischemic/idiopathic/hypertrophic/other)^*	59/18/0/23	33.3/45.5/12.1/9.1
Smoking <1 years	36.4	27.3
Ventricular assist device^*	31.8	6.1
Urgent transplant^#	45.4	21.2
Moderate-severe obstructive respiratory pattern	13.7	15.5
Treated rejection episodes	31.8	27.3

Values are expressed as mean ± standard deviation or as percentages.
Body mass index (BMI), pulmonary capillary pressure (PCP), pulmonary vascular resistance (PVR), left ventricular ejection fraction (LVEF), New York Heart Association (NYHA), Wood unit (WU) ^∗𝑃<0.05, ^#𝑃<0.1.