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Placebo-Controlled Efficacy of Percutaneous Coronary Intervention for Focal and Diffuse Patterns of Stable Coronary Artery Disease

BACKGROUND: Physiological assessment with pressure wire pullback can characterize coronary artery disease (CAD) with a focal or diffuse pattern. However, the clinical relevance of this distinction is unknown. We use data from the ORBITA trial (Objective Randomised Blinded Investigation With Optimal...

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Autores principales: Rajkumar, Christopher A., Shun-Shin, Matthew, Seligman, Henry, Ahmad, Yousif, Warisawa, Takayuki, Cook, Christopher M., Howard, James P., Ganesananthan, Sashiananthan, Amarin, Laura, Khan, Caitlin, Ahmed, Ayesha, Nowbar, Alexandra, Foley, Michael, Assomull, Ravi, Keenan, Niall G., Sehmi, Joban, Keeble, Thomas R., Davies, John R., Tang, Kare H., Gerber, Robert, Cole, Graham, O’Kane, Peter, Sharp, Andrew S.P., Khamis, Ramzi, Kanaganayagam, Gajen, Petraco, Ricardo, Ruparelia, Neil, Malik, Iqbal S., Nijjer, Sukhjinder, Sen, Sayan, Francis, Darrel P., Al-Lamee, Rasha
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Lippincott Williams & Wilkins 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8366766/
https://www.ncbi.nlm.nih.gov/pubmed/34340523
http://dx.doi.org/10.1161/CIRCINTERVENTIONS.120.009891
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author Rajkumar, Christopher A.
Shun-Shin, Matthew
Seligman, Henry
Ahmad, Yousif
Warisawa, Takayuki
Cook, Christopher M.
Howard, James P.
Ganesananthan, Sashiananthan
Amarin, Laura
Khan, Caitlin
Ahmed, Ayesha
Nowbar, Alexandra
Foley, Michael
Assomull, Ravi
Keenan, Niall G.
Sehmi, Joban
Keeble, Thomas R.
Davies, John R.
Tang, Kare H.
Gerber, Robert
Cole, Graham
O’Kane, Peter
Sharp, Andrew S.P.
Khamis, Ramzi
Kanaganayagam, Gajen
Petraco, Ricardo
Ruparelia, Neil
Malik, Iqbal S.
Nijjer, Sukhjinder
Sen, Sayan
Francis, Darrel P.
Al-Lamee, Rasha
author_facet Rajkumar, Christopher A.
Shun-Shin, Matthew
Seligman, Henry
Ahmad, Yousif
Warisawa, Takayuki
Cook, Christopher M.
Howard, James P.
Ganesananthan, Sashiananthan
Amarin, Laura
Khan, Caitlin
Ahmed, Ayesha
Nowbar, Alexandra
Foley, Michael
Assomull, Ravi
Keenan, Niall G.
Sehmi, Joban
Keeble, Thomas R.
Davies, John R.
Tang, Kare H.
Gerber, Robert
Cole, Graham
O’Kane, Peter
Sharp, Andrew S.P.
Khamis, Ramzi
Kanaganayagam, Gajen
Petraco, Ricardo
Ruparelia, Neil
Malik, Iqbal S.
Nijjer, Sukhjinder
Sen, Sayan
Francis, Darrel P.
Al-Lamee, Rasha
author_sort Rajkumar, Christopher A.
collection PubMed
description BACKGROUND: Physiological assessment with pressure wire pullback can characterize coronary artery disease (CAD) with a focal or diffuse pattern. However, the clinical relevance of this distinction is unknown. We use data from the ORBITA trial (Objective Randomised Blinded Investigation With Optimal Medical Therapy of Angioplasty in Stable Angina) to test if the pattern of CAD predicts the placebo-controlled efficacy of percutaneous coronary intervention (PCI) on stress echocardiography ischemia and symptom end points. METHODS: One hundred sixty-four patients in ORBITA underwent blinded instantaneous wave-free ratio (iFR) pullback assessment before randomization. Focal disease was defined as a ≥0.03 iFR unit drop within 15 mm, rather than over a longer distance. Analyses were performed using regression modeling. RESULTS: In the PCI arm (n=85), 48 were focal and 37 were diffuse. In the placebo arm (n=79), 35 were focal and 44 were diffuse. Focal stenoses were associated with significantly lower fractional flow reserve (FFR) and iFR values than diffusely diseased vessels (mean FFR and iFR, focal 0.60±0.15 and 0.65±0.24, diffuse 0.78±0.10 and 0.88±0.08, respectively, P<0.0001). With adjustment for this difference, PCI for focal stenoses resulted in significantly greater reduction in stress echo ischemia than PCI for diffuse disease (P<0.05). The effect of PCI on between-arm pre-randomization adjusted exercise time was 9.32 seconds (95% CI, −17.1 to 35.7 seconds; P=0.487). When stratified for pattern of disease, there was no detectable difference between focal and diffuse CAD (Pinteraction=0.700). PCI improved Seattle Angina Questionnaire angina frequency score and freedom from angina more than placebo (P=0.034; P=0.0035). However, there was no evidence of interaction between the physiological pattern of CAD and these effects (Pinteraction=0.436; Pinteraction=0.908). CONCLUSIONS: PCI achieved significantly greater reduction of stress echocardiography ischemia in focal compared with diffuse CAD. However, for symptom end points, no such difference was observed. REGISTRATION: URL: https://www.clinicaltrials.gov; Unique Identifier: NCT02062593.
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spelling pubmed-83667662021-08-18 Placebo-Controlled Efficacy of Percutaneous Coronary Intervention for Focal and Diffuse Patterns of Stable Coronary Artery Disease Rajkumar, Christopher A. Shun-Shin, Matthew Seligman, Henry Ahmad, Yousif Warisawa, Takayuki Cook, Christopher M. Howard, James P. Ganesananthan, Sashiananthan Amarin, Laura Khan, Caitlin Ahmed, Ayesha Nowbar, Alexandra Foley, Michael Assomull, Ravi Keenan, Niall G. Sehmi, Joban Keeble, Thomas R. Davies, John R. Tang, Kare H. Gerber, Robert Cole, Graham O’Kane, Peter Sharp, Andrew S.P. Khamis, Ramzi Kanaganayagam, Gajen Petraco, Ricardo Ruparelia, Neil Malik, Iqbal S. Nijjer, Sukhjinder Sen, Sayan Francis, Darrel P. Al-Lamee, Rasha Circ Cardiovasc Interv Original Articles BACKGROUND: Physiological assessment with pressure wire pullback can characterize coronary artery disease (CAD) with a focal or diffuse pattern. However, the clinical relevance of this distinction is unknown. We use data from the ORBITA trial (Objective Randomised Blinded Investigation With Optimal Medical Therapy of Angioplasty in Stable Angina) to test if the pattern of CAD predicts the placebo-controlled efficacy of percutaneous coronary intervention (PCI) on stress echocardiography ischemia and symptom end points. METHODS: One hundred sixty-four patients in ORBITA underwent blinded instantaneous wave-free ratio (iFR) pullback assessment before randomization. Focal disease was defined as a ≥0.03 iFR unit drop within 15 mm, rather than over a longer distance. Analyses were performed using regression modeling. RESULTS: In the PCI arm (n=85), 48 were focal and 37 were diffuse. In the placebo arm (n=79), 35 were focal and 44 were diffuse. Focal stenoses were associated with significantly lower fractional flow reserve (FFR) and iFR values than diffusely diseased vessels (mean FFR and iFR, focal 0.60±0.15 and 0.65±0.24, diffuse 0.78±0.10 and 0.88±0.08, respectively, P<0.0001). With adjustment for this difference, PCI for focal stenoses resulted in significantly greater reduction in stress echo ischemia than PCI for diffuse disease (P<0.05). The effect of PCI on between-arm pre-randomization adjusted exercise time was 9.32 seconds (95% CI, −17.1 to 35.7 seconds; P=0.487). When stratified for pattern of disease, there was no detectable difference between focal and diffuse CAD (Pinteraction=0.700). PCI improved Seattle Angina Questionnaire angina frequency score and freedom from angina more than placebo (P=0.034; P=0.0035). However, there was no evidence of interaction between the physiological pattern of CAD and these effects (Pinteraction=0.436; Pinteraction=0.908). CONCLUSIONS: PCI achieved significantly greater reduction of stress echocardiography ischemia in focal compared with diffuse CAD. However, for symptom end points, no such difference was observed. REGISTRATION: URL: https://www.clinicaltrials.gov; Unique Identifier: NCT02062593. Lippincott Williams & Wilkins 2021-08-03 /pmc/articles/PMC8366766/ /pubmed/34340523 http://dx.doi.org/10.1161/CIRCINTERVENTIONS.120.009891 Text en © 2021 The Authors. https://creativecommons.org/licenses/by/4.0/Circulation: Cardiovascular Interventions is published on behalf of the American Heart Association, Inc., by Wolters Kluwer Health, Inc. This is an open access article under the terms of the Creative Commons Attribution (https://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution, and reproduction in any medium, provided that the original work is properly cited.
spellingShingle Original Articles
Rajkumar, Christopher A.
Shun-Shin, Matthew
Seligman, Henry
Ahmad, Yousif
Warisawa, Takayuki
Cook, Christopher M.
Howard, James P.
Ganesananthan, Sashiananthan
Amarin, Laura
Khan, Caitlin
Ahmed, Ayesha
Nowbar, Alexandra
Foley, Michael
Assomull, Ravi
Keenan, Niall G.
Sehmi, Joban
Keeble, Thomas R.
Davies, John R.
Tang, Kare H.
Gerber, Robert
Cole, Graham
O’Kane, Peter
Sharp, Andrew S.P.
Khamis, Ramzi
Kanaganayagam, Gajen
Petraco, Ricardo
Ruparelia, Neil
Malik, Iqbal S.
Nijjer, Sukhjinder
Sen, Sayan
Francis, Darrel P.
Al-Lamee, Rasha
Placebo-Controlled Efficacy of Percutaneous Coronary Intervention for Focal and Diffuse Patterns of Stable Coronary Artery Disease
title Placebo-Controlled Efficacy of Percutaneous Coronary Intervention for Focal and Diffuse Patterns of Stable Coronary Artery Disease
title_full Placebo-Controlled Efficacy of Percutaneous Coronary Intervention for Focal and Diffuse Patterns of Stable Coronary Artery Disease
title_fullStr Placebo-Controlled Efficacy of Percutaneous Coronary Intervention for Focal and Diffuse Patterns of Stable Coronary Artery Disease
title_full_unstemmed Placebo-Controlled Efficacy of Percutaneous Coronary Intervention for Focal and Diffuse Patterns of Stable Coronary Artery Disease
title_short Placebo-Controlled Efficacy of Percutaneous Coronary Intervention for Focal and Diffuse Patterns of Stable Coronary Artery Disease
title_sort placebo-controlled efficacy of percutaneous coronary intervention for focal and diffuse patterns of stable coronary artery disease
topic Original Articles
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8366766/
https://www.ncbi.nlm.nih.gov/pubmed/34340523
http://dx.doi.org/10.1161/CIRCINTERVENTIONS.120.009891
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