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Impact of height difference between coronary ostium and location of intracoronary pressure sensor on fractional flow reserve measurements

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dc.contributor.authorSoh, MS-
dc.contributor.authorKim, H-
dc.contributor.authorKang, MG-
dc.contributor.authorLee, HJ-
dc.contributor.authorLee, SD-
dc.contributor.authorHwang, SJ-
dc.contributor.authorHwang, JY-
dc.contributor.authorKim, K-
dc.contributor.authorPark, JR-
dc.contributor.authorKim, HR-
dc.contributor.authorTahk, SJ-
dc.contributor.authorYoon, MH-
dc.contributor.authorLim, HS-
dc.contributor.authorKoh, JS-
dc.date.accessioned2023-10-24T07:46:18Z-
dc.date.available2023-10-24T07:46:18Z-
dc.date.issued2023-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/26423-
dc.description.abstractBackground During fractional flow reserve (FFR) measurements, distal coronary pressure (Pd) can be influenced by hydrostatic pressure changes resulting from the height difference (HD) between the coronary ostium and the location of the distal pressure sensor. Aims We investigated the effect of aortocoronary HD on the FFR measurements in each coronary artery. Methods In this retrospective cohort study, we analyzed 257 patients who underwent FFR measurements and coronary computed tomography (CCTA) within a year. Using CCTA, we measured HD as the vertical distance between the coronary ostium and a matched point of the distal coronary pressure sensor identified on coronary angiography. Results The location of the Pd sensor was higher than the coronary ostium in the left anterior descending artery (LAD) (-4.64 ± 1.15 cm) and lower than the coronary ostium in the left circumflex artery (LCX) (2.54 ± 1.05 cm) and right coronary artery (RCA) (2.03 ± 1.28 cm). The corrected FFR values by HD were higher in the LAD (0.78 ± 0.09 to 0.82 ± 0.09, P<0.01) and lower in the LCX and RCA than the original FFR values (0.87 ± 0.07 to 0.85 ± 0.08, P<0.01; 0.87 ± 0.10 to 0.86 ± 0.10, P<0.01, respectively). Using an FFR cut-off value of 0.8, the concordance rates between the FFR and corrected FFR values were 77.8%, 95.2%, and 100% in the LAD, LCX, and RCA, respectively. Conclusion HD between the coronary ostium and the distal coronary pressure sensor may affect FFR measurements and FFR-guided treatment decisions for coronary artery disease.-
dc.language.isoen-
dc.subject.MESHCoronary Artery Disease-
dc.subject.MESHFractional Flow Reserve, Myocardial-
dc.subject.MESHHeart-
dc.subject.MESHHumans-
dc.subject.MESHRetrospective Studies-
dc.titleImpact of height difference between coronary ostium and location of intracoronary pressure sensor on fractional flow reserve measurements-
dc.typeArticle-
dc.identifier.pmid37616282-
dc.identifier.urlhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC10449150-
dc.contributor.affiliatedAuthorSoh, MS-
dc.contributor.affiliatedAuthorYoon, MH-
dc.contributor.affiliatedAuthorLim, HS-
dc.type.localJournal Papers-
dc.identifier.doi10.1371/journal.pone.0289646-
dc.citation.titlePloS one-
dc.citation.volume18-
dc.citation.number8-
dc.citation.date2023-
dc.citation.startPagee0289646-
dc.citation.endPagee0289646-
dc.identifier.bibliographicCitationPloS one, 18(8). : e0289646-e0289646, 2023-
dc.identifier.eissn1932-6203-
dc.relation.journalidJ019326203-
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Journal Papers > School of Medicine / Graduate School of Medicine > Cardiology
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