2019
Dobutamine Stress Echocardiography Ischemia as a Predictor of the Placebo-Controlled Efficacy of Percutaneous Coronary Intervention in Stable Coronary Artery Disease: The Stress Echocardiography-Stratified Analysis of ORBITA
Al-Lamee RK, Shun-Shin MJ, Howard JP, Nowbar AN, Rajkumar C, Thompson D, Sen S, Nijjer S, Petraco R, Davies J, Keeble T, Tang K, Malik I, Bual N, Cook C, Ahmad Y, Seligman H, Sharp ASP, Gerber R, Talwar S, Assomull R, Cole G, Keenan NG, Kanaganayagam G, Sehmi J, Wensel R, Harrell FE, Mayet J, Thom S, Davies JE, Francis DP. Dobutamine Stress Echocardiography Ischemia as a Predictor of the Placebo-Controlled Efficacy of Percutaneous Coronary Intervention in Stable Coronary Artery Disease: The Stress Echocardiography-Stratified Analysis of ORBITA. Circulation 2019, 140: 1971-1980. PMID: 31707827, PMCID: PMC6903430, DOI: 10.1161/circulationaha.119.042918.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionDobutamine stress echocardiographyStable coronary artery diseasePlacebo-controlled effectsPlacebo-controlled efficacyCoronary artery diseaseStress echocardiographyEchocardiography scoreCoronary interventionArtery diseaseCanadian Cardiovascular Society angina classEffect of PCIAngina frequency scoreTreadmill exercise timeDegree of ischemiaQuality of lifeAngina classEchocardiography abnormalitiesORBITA trialAngina frequencyPCI armPlacebo armAkinetic segmentsDyskinetic segmentsLife scores
2017
Percutaneous coronary intervention in stable angina (ORBITA): a double-blind, randomised controlled trial
Al-Lamee R, Thompson D, Dehbi HM, Sen S, Tang K, Davies J, Keeble T, Mielewczik M, Kaprielian R, Malik IS, Nijjer SS, Petraco R, Cook C, Ahmad Y, Howard J, Baker C, Sharp A, Gerber R, Talwar S, Assomull R, Mayet J, Wensel R, Collier D, Shun-Shin M, Thom SA, Davies JE, Francis DP, investigators O, Al-Lamee R, Thompson D, Sen S, Tang K, Davies J, Keeble T, Kaprielian R, Malik I, Nijjer S, Petraco R, Cook C, Ahmad Y, Howard J, Shun-Shin M, Sethi A, Baker C, Sharp A, Ramrakha P, Gerber R, Talwar S, Assomull R, Foale R, Mayet J, Wensel R, Thom S, Davies J, Francis D, Khamis R, Hadjiloizou N, Khan M, Kooner J, Bellamy M, Mikhail G, Clifford P, O'Kane P, Levy T, Swallow R. Percutaneous coronary intervention in stable angina (ORBITA): a double-blind, randomised controlled trial. The Lancet 2017, 391: 31-40. PMID: 29103656, DOI: 10.1016/s0140-6736(17)32714-9.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionPlacebo procedureExercise timeBiomedical Research CentrePlacebo groupPrimary endpointStable anginaCoronary interventionTrials of PCISingle-vessel stenosisMajor bleeding eventsSerious adverse eventsCardiopulmonary exercise testingDobutamine stress echocardiographySevere coronary stenosisInstantaneous wave-free ratioFractional flow reserveBleeding eventsPCI groupIschemic symptomsAdverse eventsExercise testingMedication optimizationAngina reliefRelated complications