Coronary collateral development, particularly involving the LAD, plays a significant role in preserving left ventricular function in patients with coronary artery obstruction.
Supports LAD collateral assessment in obstruction; leaves open whether targeting them improves LV outcomes.
Two hundred and twelve patients with recognizable coronary artery block and no other pathology were selected using an interactive computer data retrieval system. The relationship of coronary artery collaterals to left ventricular (LV) dysfunction was investigated. Analysis revealed the significant role of the left anterior descending (LAD) coronary artery and collateral development to the preservation of LV function. This study underlies the value of radiological observation when subject to statistical scrutiny.
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Walker et al. (1981) studied this question.
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