2020
DOI: 10.4244/eij-d-19-01006
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Coronary collaterals and myocardial viability in patients with chronic total occlusions

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Cited by 29 publications
(23 citation statements)
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“…In addition, when left ventricular dysfunction is objectified there is the notion that viability is rare and intervention therefore futile. Conversely, multiple studies have demonstrated that viability is present in the vast majority of CTO patients and revascularisation should not be withheld [ 4 ]. That being said, some will allude to the lack of prognostic benefit in the few thus far conducted randomised clinical trials (RCTs).…”
mentioning
confidence: 99%
“…In addition, when left ventricular dysfunction is objectified there is the notion that viability is rare and intervention therefore futile. Conversely, multiple studies have demonstrated that viability is present in the vast majority of CTO patients and revascularisation should not be withheld [ 4 ]. That being said, some will allude to the lack of prognostic benefit in the few thus far conducted randomised clinical trials (RCTs).…”
mentioning
confidence: 99%
“…Definition of a CTO was a luminal occlusion in a native coronary artery for an estimated or documented time of ≥3 months with no or minimal contrast penetration through the CTO body (Thrombolysis in Myocardial Infarction flow grade 0 or 1). A concomitant collateral connection score of 2 and Rentrop contrast flow grade of 3 defined well‐developed collaterals 14 . CTO PCI was performed according to the hybrid approach and CTO crossing strategies were left at the discretion of the operator 2 .…”
Section: Methodsmentioning
confidence: 99%
“…Zudem werden die metabolische Versorgung des Myokards und die Kontraktilität in Ruhe aufrechterhalten. Die funktionelle Reserve der retrograden Durchblutung über die Kollateralen reicht in der Regel jedoch nicht aus, um eine relevante Koronarischämie etwa unter Belastung zu verhindern [5][6][7][8]. Die Kollateraldurchblutung ist hierbei durch einen wesentlich geringeren retrograden Perfusionsdruck bis etwa 50 mm Hg charakterisiert, der wiederum zu einer funktionellen Verkleinerung und allgemeinen Unterschätzung des Durchmessers des distalen Gefäßabschnitts nach dem CTO-Segment führt [9].…”
Section: Ischämieprävention Durch Kollateralgefäßeunclassified