Research Article

Comparative Analysis of Methods to Induce Myocardial Infarction in a Closed-Chest Rabbit Model

Table 2

Distribution and follow-up depending on embolization device.

Embolization device
()
Intraoperative events3-week survival
()
Echographic assessmentHistologic assessment

Free coil
 CA ()VF0Transmural infarct
 RCA ()VF0Transmural infarct
Interlocking coil
 CA ()VF1LVEF decrease <15%Nontransmural infarct
 RCA ()VF1No dysfunctionNo infarct
Gelatin sponge
 CA ()3No dysfunctionNontransmural infarct
 RCA ()1No dysfunctionNo infarct
Balloon occlusion
 CA ()NSVT2No dysfunctionNo infarct
 RCA ()NSVT2No dysfunctionNo infarct
Alcoholization
 CA ()VF415% decrease in LVEFTransmural infarct
 RCA ()CHF2RV dysfunction
15% decrease in LVEF
Transmural infarct

CA: circumflex artery; RCA: right coronary artery; LV: left ventricle; RV: right ventricle; VF: ventricular fibrillation; NSVT: nonsustained ventricular tachycardia; CHF: congestive heart failure.