Why the study?
Does successful recanalization reduce recruitable collateral flow in patients with chronic total coronary occlusions?
Population
21 patients with chronic total coronary occlusions (TCOs) of duration >4 weeks
Comparison
Coronary angioplasty with stent implantation vs Baseline (before recanalization)
Design
Cohort
Follow-up
24 hours
Authors
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CTO recanalization was associated with reduced recruitable collaterals; hypothesis-generating for lost ischemic protection pending prospective trials.
Does successful recanalization reduce recruitable collateral flow in patients with chronic total coronary occlusions?
Successful recanalization of chronic total occlusions leads to an immediate and significant loss of recruitable collateral flow, suggesting these territories may lose collateral protection against future ischemic events.
Werner et al. (2000) studied this question.
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