CardioNerds Dr. Rick Ferraro (CardioNerds Academy House Faculty and Cardiology Fellow at JHH), Dr. Gurleen Kaur (Director of the CardioNerds Internship and Internal Medicine resident at BWH), and Dr. Alli Bigeh (Cardiology Fellow at the Ohio State) as they discuss the growing obesity epidemic and how it relates to cardiovascular disease with Dr. Ambarish Pandey (Cardiologist at UT Southwestern Medical Center). Show notes were drafted by Dr. Alli Bigeh. CardioNerds Academy Intern and student Dr. Shivani Reddy performed audio editing.
Obesity is an important modifiable risk factor for cardiovascular disease, and it is on the rise! Here, we discuss how to identify patients with obesity and develop an approach to address current lifestyle recommendations. We also discuss the spectrum of pharmacologic treatment options available, management strategies, and some therapy options that are on the horizon.
This episode was produced in collaboration with the American Society of Preventive Cardiology (ASPC) with independent medical education grant support from Novo Nordisk. See below for continuing medical education credit.
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Pearls and Quotes - Lifestyle & Pharmacologic Management of Obesity
Identify obese patients not just using BMI, but also using anthropometric measurements such as waist circumference (central adiposity).
Lifestyle modifications are our first line of defense against obesity! Current recommendations emphasize caloric restriction of at least 500kcal/day, plant-based and Mediterranean diets, and getting at least 150 minutes of moderate-intensity weekly exercise.
Dive into the root cause of eating and lifestyle behaviors. It is crucial to address adverse social determinants of health with patients to identify the driving behaviors, particularly among those individuals of low socioeconomic status.
Newer weight loss agents are most effective at achieving and maintaining substantial weight loss, in particular Semaglutide (GLP-1) and Tirzepatide (GLP-1/GIP). Initiate at a low dose and titrate up slowly.
Obesity is a risk factor and potential driver for HFpEF. Targeted treatment options for obese patients with HFpEF include SGLT-2 inhibitors and semaglutide, which recently showed improvement in quality of life and exercise capacity in the STEP-HFpEF trial.
Show notes - Lifestyle & Pharmacologic Management of Obesity
How do we identify and define obesity?
The traditional definition of obesity is based on body mass index (BMI), defined as BMI greater than or equal to 30.0 kg/m2 (weight in kg/height in meters).Recognize that BMI may not tell the whole story. A limitation of BMI is it does not reflect differences in body composition and distribution of fat.Certain patients may not meet the BMI cutoff for obesity but have elevated cardiovascular risk based on increased central adiposity, specifically those that are categorized as overweight.The devil lies in the details of anthropometric parameters. Include waist circumference measurements as part of an obesity assessment of visceral adiposity.
A waist circumference greater than 40 inches for men and greater than 35 inches for women is considered elevated.
What are some current lifestyle recommendations for obese patients?
Lifestyle recommendations are the first line of defense against obesity.Current ACC/AHA guidelines suggest a target of reducing caloric intake by 500 kcal per day. For patients with severe obesity, this number may be higher.Emphasis on hypocaloric plant-based and Mediterranean dietsReduce total carbohydrate intake to 50-130 grams per day.Focus on a low-fat diet with less than 30% of total energy coming from fat with a high-protein diet to main...
