• 403. Cardio-Rheumatology: Treating Inflammation and Real-World Implementation of Therapies with Dr. Brittany Weber and Dr. Michael Garshick

  • Nov 14 2024
  • Length: 37 mins
  • Podcast

403. Cardio-Rheumatology: Treating Inflammation and Real-World Implementation of Therapies with Dr. Brittany Weber and Dr. Michael Garshick

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  • In this episode, CardioNerds Dr. Gurleen Kaur and Dr. Akiva Rosenzveig are joined by Cardio-Rheumatology experts, Dr. Brittany Weber and Dr. Michael Garshick to discuss treating inflammation, delving into the pathophysiology behind the inflammatory hypothesis of atherosclerotic cardiovascular disease and the evolving data on anti-inflammatory therapies for reducing ASCVD risk, with insights on real-world implementation. Show notes were drafted by. Dr. Akiva Rosenzveig. This episode was produced in collaboration with the American Society of Preventive Cardiology (ASPC) with independent medical education grant support from Lexicon Pharmaceuticals. CardioNerds Prevention PageCardioNerds Episode PageCardioNerds AcademyCardionerds Healy Honor Roll CardioNerds Journal ClubSubscribe to The Heartbeat Newsletter!Check out CardioNerds SWAG!Become a CardioNerds Patron! Pearls - Treating Inflammation Our understanding of the pathophysiology of atherosclerosis has undergone a few iterations from the incrustation hypothesis to the lipid hypothesis to the response-to-injury hypothesis and culminating with our current understanding of the inflammation hypothesis. Both the adaptive and innate immune systems play instrumental roles in the pathogenesis of atherosclerosis. After adequately controlling classic modifiable risk factors such as blood pressure, dyslipidemia, glucose intolerance, and obesity, systemic inflammation as assessed by CRP can be ascertained as CRP is associated with ~1.8-fold increased risk of cardiovascular events Although the most common side effect of colchicine is gastrointestinal intolerance, colchicine can induce lactose intolerance, so a lactose free diet may help ameliorate colchicine-induced GI symptoms. Anti-inflammatory therapeutics have shown promise in reducing cardiovascular risk but much more is to be learned with ongoing and future basic, translational, and clinical research. Show notes - Treating Inflammation What are the origins of the inflammatory hypothesis? The first hypothesis as to the pathogenesis of atherosclerosis was the incrustation hypothesis by Carl Von Rokitansky in 1852. He suggested that atherosclerosis begins in the intima with thrombus deposition.In 1856, Rudolf Virchow suggested the lipid hypothesis whereby high levels of cholesterol in the blood lead to atherosclerosis. He observed inflammatory changes in the arterial walls associated with atherosclerotic plaque growth, called endo-arteritis chronica deformans.In 1977, Russell Ross suggested the response-to-injury hypothesis, that atherosclerosis develops from injury to the arterial wall.In the 1990’s the role of inflammation in ASCVD became more recognized. Both the adaptive and innate immune system are critical in atherosclerosis. Lipids and inflammation are synergistic in that lipid exposure is required but they translocate through damaged endothelium which occurs by way of inflammatory cytokines, namely within the NLRP3 inflammasome (IL-1, IL-6 etc.).Smooth muscle cells are also involved. They migrate to the endothelial region and secrete collagen to create the fibrous cap. They can also transform into macrophage-like cells to take up lipids and become foam cells. T, B, and K cells are also part of this milieu. In fact, neutrophils, macrophages and monocytes make up only a small portion of the cells involved in the atherosclerotic process. What are ways to individually optimize one’s ASCVD risk?Ensure the patient is on appropriate antiplatelet therapy, lipid lowering therapy, blood pressure is well controlled, and the Hemoglobin A1c is well controlled. Smoking cessation is pivotal.If the patient has an elevated Lipoprotein (a), pursue more aggressive lipid lowering therapy. Targeted therapies may become available in the future. Assess the patient’s systemic inflammatory risk as measured by C-Reactive Protein (CRP)
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