Primary reperfusion in acute right ventricular infarction: An observational study

Table 5 Procedural variables and results of primary reperfusion at entry according to right ventricular infarction class (n = 679)

Variable	Class A	Class B	Class C	Total
	(n = 425)	(n = 158)	(n = 96)
Symptoms to admission time (min-max) h	4.6 (2-23)	5.5 (3.4-19)	27 (19-48)d
Medical treatment	111 (26)	44 (27)	25 (26)	180 (26.5)
TT	109 (25)	30 (19)b	9 (9)d	148 (21.7)
Primary PCI	205 (48)	84 (53)	62 (64)	351 (51.6)
Stent use	182 (88)	80 (95)	62 (100)	324 (92)
IIb/IIIa GI use	49%	47%	52%
Inotropes/vasopressors	0%	100%b	100%
Temporary pacemaker	1.20%	10.7%b	29%d
IABP support	0	0	73.9%d
MVA	0	0	100%d
Median time from MI to reperfusion treatment (min-max) h	1.9 (1.3-4)	2.1 (1.4-3.8)	14 (8-22)d
Door-to-needle time (min)	42 ± 18	48 ± 16	-
Door-to-balloon time (min)	93 ± 24	89 ± 37	198 ± 102d
TIMI 3 flow after PCI	93%	91%	87%
TIMI 3 flow after TT	65%	64%	0%d
RCA-Extensive clot burden	17%	22%	75%d
At 24-48 h reversal of RVWMA with SR	84%	78%	69%d

^bP < 0.01 vs classes A;

^dP < 0.01 vs classes B. TT: Transthoracic; PCI: Primary coronary intervention; IABP: Intra-aortic balloon pump; MVA: Mechanical ventilatory assistance; RCA: Right coronary artery; SR: Success reperfusion; RVWMA: Right ventricular wall motion abnormalities; GI: Glucoprotein inhibitors; MI: Myocardial infarction; TIMI: Thrombolysis in myocardial infarction.