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Stratified Medical Therapy Using Invasive Coronary Function Testing in Angina: The CorMicA Trial

Ford, Thomas J ; Stanley, Bethany ; Good, Richard ; Rocchiccioli, Paul ; McEntegart, Margaret ; Watkins, Stuart ; Eteiba, Hany ; Shaukat, Aadil ; Lindsay, Mitchell ; Robertson, Keith ; Hood, Stuart ; McGeoch, Ross ; McDade, Robert ; Yii, Eric ; Sidik, Novalia ; McCartney, Peter ; Corcoran, David ; Collison, Damien ; Rush, Christopher ; McConnachie, Alex ; Touyz, Rhian M ; Oldroyd, Keith G ; Berry, Colin

Journal of the American College of Cardiology, 2018-12, Vol.72 (23 Pt A), p.2841-2855 [Periódico revisado por pares]

United States: Elsevier Limited

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Stratified Medical Therapy Using Invasive Coronary Function Testing in Angina: The CorMicA Trial
Autor: Ford, Thomas J ; Stanley, Bethany ; Good, Richard ; Rocchiccioli, Paul ; McEntegart, Margaret ; Watkins, Stuart ; Eteiba, Hany ; Shaukat, Aadil ; Lindsay, Mitchell ; Robertson, Keith ; Hood, Stuart ; McGeoch, Ross ; McDade, Robert ; Yii, Eric ; Sidik, Novalia ; McCartney, Peter ; Corcoran, David ; Collison, Damien ; Rush, Christopher ; McConnachie, Alex ; Touyz, Rhian M ; Oldroyd, Keith G ; Berry, Colin
Assuntos: Acetylcholine ; Aged ; Angina ; Angina pectoris ; Angiography ; Cardiovascular disease ; Confidence intervals ; Coronary Angiography - methods ; Coronary artery ; Coronary artery disease ; Coronary Artery Disease - diagnostic imaging ; Coronary Artery Disease - epidemiology ; Coronary Artery Disease - physiopathology ; Coronary vessels ; Diagnostic systems ; Diagnostic tests ; Female ; Flow resistance ; Heart diseases ; Humans ; Intervention ; Ischemia ; Male ; Medical imaging ; Medical referrals ; Microvascular Angina - diagnostic imaging ; Microvascular Angina - epidemiology ; Microvascular Angina - physiopathology ; Microvasculature ; Middle Aged ; Patients ; Quality of life ; Questionnaires ; Randomization ; Single-Blind Method ; Therapy
É parte de: Journal of the American College of Cardiology, 2018-12, Vol.72 (23 Pt A), p.2841-2855
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Descrição: Patients with angina symptoms and/or signs of ischemia but no obstructive coronary artery disease (INOCA) pose a diagnostic and therapeutic challenge. The purpose of this study was to test whether an interventional diagnostic procedure (IDP) linked to stratified medicine improves health status in patients with INOCA. The authors conducted a randomized, controlled, blinded clinical trial of stratified medical therapy versus standard care in patients with angina. Patients with angina undergoing invasive coronary angiography (standard care) were recruited. Patients without obstructive CAD were immediately randomized 1:1 to the intervention group (stratified medical therapy) or the control group (standard care, IDP sham procedure). The IDP consisted of guidewire-based assessment of coronary flow reserve, index of microcirculatory resistance, fractional flow reserve, followed by vasoreactivity testing with acetylcholine. The primary endpoint was the mean difference in angina severity at 6 months (assessed by the Seattle Angina Questionnaire summary score). A total of 391 patients were enrolled between November 25, 2016, and November 12, 2017. Coronary angiography revealed obstructive disease in 206 (53.7%). One hundred fifty-one (39%) patients without angiographically obstructive CAD were randomized (n = 76 intervention group; n = 75 blinded control group). The intervention resulted in a mean improvement of 11.7 U in the Seattle Angina Questionnaire summary score at 6 months (95% confidence interval [CI]: 5.0 to 18.4; p = 0.001). In addition, the intervention led to improvements in the mean quality-of-life score (EQ-5D index 0.10 U; 95% CI: 0.01 to 0.18; p = 0.024) and visual analogue score (14.5 U; 95% CI: 7.8 to 21.3; p < 0.001). There were no differences in major adverse cardiac events at the 6-month follow-up (2.6% controls vs. 2.6% intervention; p = 1.00). Coronary angiography often fails to identify patients with vasospastic and/or microvascular angina. Stratified medical therapy, including an IDP with linked medical therapy, is routinely feasible and improves angina in patients with no obstructive CAD. (CORonary MICrovascular Angina [CorMicA]; NCT03193294).
Editor: United States: Elsevier Limited
Idioma: Inglês

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Stratified Medical Therapy Using Invasive Coronary Function Testing in Angina: The CorMicA Trial

United States: Elsevier Limited

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