
283. CardioNerds Rounds: Challenging Cases – Cardio-Obstetrics and Heart Failure with Dr. Mary Norine (Minnow) Walsh
04/05/23 • 35 min
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282. Guidelines: 2021 ESC Cardiovascular Prevention – Question #20 with Dr. Michael Wesley Milks
The following question refers to Section 3.4 of the 2021 ESC CV Prevention Guidelines. The question is asked by student Dr. Adriana Mares, answered first by Brigham & Women’s medicine intern & Director of CardioNerds Internship Dr. Gurleen Kaur, and then by expert faculty Dr. Michael Wesley Milks. Dr. Milks is a staff cardiologist and assistant professor of clinical medicine at the Ohio State University Wexner Medical Center where he serves as the Director of Cardiac Rehabilitation and an associate program director of the cardiovascular fellowship. He specializes in preventive cardiology and is a member of the American College of Cardiology's Cardiovascular Disease Prevention Leadership Council. The CardioNerds Decipher The Guidelines Series for the 2021 ESC CV Prevention Guidelines represents a collaboration with the ACC Prevention of CVD Section, the National Lipid Association, and Preventive Cardiovascular Nurses Association. Question #20 Ms. Ruma Toid is a 65-year-old African American woman who presents to your clinic in Ohio for routine follow up. She has a history of rheumatoid arthritis, hypertension, obesity, and sleep apnea. Her medications include methotrexate and atenolol. Her blood pressure in the office is 120/80 mmHg, heart rate 68 bpm, and oxygen saturation 99% on room air. Recent lipid testing revealed total cholesterol 165 mg/dL, HDL 42 mg/dL, and LDL 118 mg/dL. She was recently advised to talk to her doctor about taking a statin due to her risk factors but in the past has heard negative things about those medications and would like your advice on next steps. Her calculated ASCVD risk score based on the Pooled Cohort Equation is 7%. Which of the following choices would be the next step?AShe is at borderline risk for ASCVD events. A statin is not indicated at this time.BDue to her history of rheumatoid arthritis, her calculated ASCVD risk should be multiplied by 1.5, yielding an ASCVD risk of 10.5% placing her in the intermediate risk category. Moderate intensity statin would be indicated.CWhen other risk factors are present, rheumatoid arthritis is no longer an enhancing risk factor.DStatins are contraindicated when taking methotrexate. Answer #20 ExplanationThe correct answer is B. Due to her history of rheumatoid arthritis, her calculated ASCVD risk should be multiplied by 1.5, yielding an ASCVD risk of 10.5% placing her in the intermediate risk category. Moderate intensity statin would be indicated. Due to her history of rheumatoid arthritis, her calculated ASCVD risk should be multiplied by 1.5, yielding an ASCVD risk of 10.5% placing her in the intermediate risk category. Moderate intensity statin would be indicated. The ESC gives a Class IIa (LOE B) indication to multiply the calculated total CVD risk by a factor of 1.5 in adults with rheumatoid arthritis due to the observed 50% increased CVD risk in patients with rheumatoid arthritis. This 50% increase in CVD risk attributed to RA is present beyond traditional risk factors, making answer choice C wrong. Answer A is incorrect because when borderline risk is calculated, one should still look for risk enhancers that could potentially increase ASCVD risk before final determination of statin indication. Answer choice D is false as there is no contraindication to take both methotrexate and statins together. Note that it is appropriate to use the pool cohort equations and American risk thresholds for this patient since she is in America where the PCE was validated (versus using SCORE2 risk model which would be more appropriate for European populations).Main TakeawayInflammatory conditions including rheumatoid arthritis and inflammatory bowel disease increase a person’s risk for ASCVD events. Specifically for rheumatoid arthritis, there is a Class IIa indication to multiply the calculated risk score by 1.5 to account for rheumatoid arthritis as a risk enhancer.
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284. Atrial Fibrillation: Mechanical Stroke Prevention in Atrial Fibrillation with Dr. Christopher Ellis
CardioNerds Amit Goyal, Dr. Colin Blumenthal, Dr. Kelly Arps and Dr. Justice Oranefo discuss mechanical stroke prevention in atrial fibrillation with Dr. Christopher Ellis, cardiac electrophysiology lab director and director of the left atrial appendage closure program at Vanderbilt University. There has been a significant increase in the number of patients undergoing left atrial appendage occlusion (LAAO). This trend is expected to continue with current and upcoming clinical data on this topic. In this episode we dive into the rationale behind LAAO and explore several historical facts. We then proceed to the current state of practice including currently available options, appropriate indications, post op care, and potential complications. Notes were drafted by Dr. Justice Oranefo. Audio editing by CardioNerds Academy Intern, student doctor Chelsea Amo Tweneboah. This CardioNerds Atrial Fibrillation series is a multi-institutional collaboration made possible by contributions of stellar fellow leads and expert faculty from several programs, led by series co-chairs, Dr. Kelly Arps and Dr. Colin Blumenthal. This series is supported by an educational grant from the Bristol Myers Squibb and Pfizer Alliance. All CardioNerds content is planned, produced, and reviewed solely by CardioNerds. We have collaborated with VCU Health to provide CME. Claim free CME here! Disclosures: Dr. Ellis discloses grant or research support from Boston Scientific, Abbott-St Jude, advisor for Atricure and Medtronic. CardioNerds Atrial Fibrillation PageCardioNerds Episode PageCardioNerds AcademyCardionerds Healy Honor Roll CardioNerds Journal ClubSubscribe to The Heartbeat Newsletter!Check out CardioNerds SWAG!Become a CardioNerds Patron! Pearls and Quotes - Atrial Fibrillation: Mechanical Stroke Prevention in Atrial fibrillation Surgical or catheter based left atrial appendage occlusion results in mechanical exclusion of the left atrial appendage, which is the most common source of thrombus leading to embolic events in patients with non-rheumatic atrial fibrillation. Surgical LAAO should be considered in patients with atrial fibrillation and CHA2DS2VASC score ≥ 2 undergoing cardiac surgery for other indications. Endocardial LAAO devices such as WATCHMAN FLX and AMULET are approved for stroke prevention in patients with atrial fibrillation with a CHA2DS2VASC score ≥ 2 and have an appropriate reason to seek a non-drug alternative to anticoagulation therapy. Appropriate patient selection and post-operative anticoagulation and imaging strategy are crucial for prevention and management of complications related to LAAO. Notes - Atrial Fibrillation: Mechanical Stroke Prevention in Atrial fibrillation What are the types of LAAO device? Left atrial appendage occlusion devices can be divided into epicardial closure and endocardial closure. Epicardial techniques/devices include surgical ligation, Atriclip, and Lariat. These techniques require pericardial access (either by open thoracotomy or thoracoscopic access). The goals are complete exclusion and ischemic necrosis of the LAA. LARIAT device Atriclip device Endocardial techniques include WATCHMAN FLX and AMULET devices. These techniques require the use of nitinol-based devices which are delivered into the LAA via a transeptal approach. These devices become endothelialized over time resulting in occlusion of the LAA. AMULET device WATCHMAN FLX Who is the ideal candidate for surgical LAAO? Several studies have evaluated the efficacy of surgical LAA occlusion. The most prominent being the LAOS III trial which randomized 4770 patients with atrial fibrillation and CHA2DS2VASC ≥ 2 undergoing cardiac surgery for other reasons to surgical LAAO vs no LAAO (3,4). The primary outcome of ischemic stroke or systemic embolization occurred in 4.8% of patients in the LAAO group vs 7% of patients in control group over an average ...
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