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Patient Beliefs Regarding Benefits of Percutaneous Coronary Intervention in Chronic Stable Angina My Summer Research Project of 2014 Carla Lauture, of Elms College Dr. Sarah Goff, of BMC
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H Angina is pain or discomfort associated with myocardial ischemia – chest, jaw, left arm Patients may also complain of symptoms that include indigestion, heartburn, weakness, sweating, nausea, cramping, and shortness of breath. http://www.tabletsmanual.com/wiki/read/myocardial_infarction http://www.pureleverage.com/nofty1/angina-signs-and-symptoms/
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COURAGE - Clinical Outcomes Utilizing Revascularization and Aggressive Drug Evaluation 2,287 participants - at least one narrow artery Randomized to PCI vs. medical therapy for stable angina Found that PCI reduces angina symptoms more quickly than medication but does not reduce myocardial infarction or death risk Background
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2010 – stable angina patients believe PCI will prevent MI and death (Rothberg et al.) 2014 – qualitative – cardiologists may not explicitly describe expected benefits of PCI for stable angina (Goff et al.) 2011 – letter to the editor–even if cardiologists spend time explaining PCI, patients may not completely understand – “teach back“ method is essential (Schenker & Meisel) Background
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1. To assess stable angina patients’ perceptions of benefits of PCI Hypothesis: The majority of patients will believe PCI reduces risk for MI and death 2. To assess changes in informed consent process for PCI for stable angina at BMC Hypothesis: Cardiologists will report changing informed consent process following 2010 study Specific Aims
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Study design - Survey 125 Stable angina patients awaiting cardiac cath/possible stent 35 Cardiologists who refer or admit to BMC http://www.engagingsolution.com/2014/06/05/employee-engagement-surveys/ Methods
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Questionnaire development Modified original questionnaire Piloted modifications with patients with stable angina awaiting PCI Cognitive interviewing Elicits respondent feedback on: language, comprehensibility, and relevance of questions Methods
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Conducting Survey Approach stable angina patients awaiting cardiac cath. Inform of purpose of the study Read questions to patients (reduce issues with literacy) Patient exclusions: those who speak a language other than English or Spanish or who are having procedure as pre-op for surgery or valve replacement Methods
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Cardiologists surveyed to assess what if any changes were made in consent process for stable angina patients undergoing cath/possible stent placement Inclusions: cardiologists who admit or refer to BMC Exclusions: none Methods
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Patients Percent of patients who think PCI will reduce risk for MI and/or death Why patients believe what they do about PCI benefits Cardiologists Reported changes in informed consent procedures since 2010 Results
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Patients: English & Spanish speaking patients only Cardiologists: Social desirability General: One institution Limitations
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http://www.health.harvard.edu/family-health- guide/updates/medication-vs-stents-for-heart-disease- treatment http://usatoday30.usatoday.com/news/health/2006-12-05- stent-warning_x.htm http://usatoday30.usatoday.com/news/health/2006-12-05- stent-warning_x.htm Patients' and cardiologists' perceptions of the benefits of percutaneous coronary intervention for stable coronary disease. Schenker Y, Meisel A. Ann Intern Med. 2011 Mar 1;154(5):371. doi: 10.7326/0003-4819-154-5-201103010-00015. Optimal Medical Therapy with or without PCI for Stable Coronary Disease. William E. Boden, M.D., Robert A. O’Rourke, M.D., New England Journal of Medicine. April 2007. vol. 356 no. 15 References
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Dr. Sarah Goff, Principal Investigator/Summer Scholar Mentor Auras Atreyas, Amin Reva Kleppel, Janice Fitzgerald, Sub-investigators of “Patient Beliefs Regarding Benefits of Percutaneous Coronary Intervention in Chronic Stable Angina” BMC &The Summer Scholars Program Thank you! Acknowledgements
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