Effects of remote ischemic preconditioning on coronary blood flow and microcirculation.
Coronary angiography
Coronary circulation
Microcirculatory resistance
Quantitative flow ratio
Journal
BMC cardiovascular disorders
ISSN: 1471-2261
Titre abrégé: BMC Cardiovasc Disord
Pays: England
ID NLM: 100968539
Informations de publication
Date de publication:
17 08 2023
17 08 2023
Historique:
received:
26
04
2023
accepted:
26
07
2023
medline:
21
8
2023
pubmed:
18
8
2023
entrez:
17
8
2023
Statut:
epublish
Résumé
This study aimed to determine the effect of short-term remote ischemic preconditioning (RIPC) on coronary blood flow and microcirculation function using the quantitative flow ratio (QFR) and index of microcirculatory resistance (IMR). We randomly divided 129 patients undergoing coronary angiography (CAG) into RIPC and control groups. Following the first CAG, we randomly divided the patients further into the unilateral upper limb and lower limb groups for four cycles of ischemia/reperfusion circulation; subsequently, we performed the second CAG. During each CAG, contrast-flow QFR (cQFR), fixed-flow QFR (fQFR), and IMR (in patients with cardiac syndrome X) were calculated and compared. We measured 253 coronary arteries in 129 patients. Compared to the control group, the average cQFR of the RIPC group increased significantly after RIPC. Additionally, 23 patients with cardiac syndrome X (IMR > 30) were included in this study. Compared to the control group, IMR and the difference between cQFR and fQFR (cQFR-fQFR) both decreased significantly after receiving RIPC. The application of RIPC can increase coronary blood flow and improve coronary microcirculation function.
Identifiants
pubmed: 37592218
doi: 10.1186/s12872-023-03419-0
pii: 10.1186/s12872-023-03419-0
pmc: PMC10433538
doi:
Types de publication
Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
404Informations de copyright
© 2023. BioMed Central Ltd., part of Springer Nature.
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