The sudden death of U.S. Senator Lindsey Graham of South Carolina has brought attention to aortic dissection, a life-threatening condition that requires immediate medical intervention. According to the American Heart Association (AHA), an aortic dissection is a tear in the inner layer of the aorta—the body's largest artery—through which blood surges, causing the layers of the aortic wall to separate. This medical emergency can be rapidly fatal if not diagnosed and treated promptly.
The aorta carries oxygen-rich blood from the heart to the rest of the body. Aortic disease occurs when the aortic wall is weakened, leading either to a bulge (aneurysm) or a tear (dissection). In a dissection, the tear allows blood to create a flap that extends within the aorta, potentially causing complications such as heart attack, bleeding, or rupture through the back of the wall. Symptoms may include sudden, severe chest pain, back pain, neck or jaw pain, and feeling faint, weak, or short of breath. Because these symptoms can mimic other cardiovascular emergencies, rapid diagnosis is essential.
According to AHA volunteer president Manesh Patel, M.D., FAHA, aortic dissection is more common in men than women, with an estimated incidence of 5 to 30 people per million. Most cases occur between ages 50 and 70. Risk factors include atherosclerosis (hardening of the arteries), high blood pressure, and genetic disorders of connective tissue. Patel emphasized that individuals with risk factors such as high blood pressure, tobacco use, or a family history of aortic aneurysms or dissections should discuss screening with their physicians.
The 2022 American Heart Association/American College of Cardiology Guideline for the Diagnosis and Management of Aortic Disease stresses rapid recognition and treatment of acute aortic syndromes, family screening—including genetic testing and imaging—for first-degree relatives of patients with certain aortic aneurysms or dissections, and consistent imaging and surveillance practices. The guideline aims to improve outcomes by promoting early detection and standardized care.
The impact of this announcement is significant for the public and the medical community. Understanding the warning signs and risk factors of aortic dissection can save lives, as prompt diagnosis and treatment can be lifesaving. The AHA's emphasis on family screening highlights the importance of genetic factors and the need for proactive health measures. For individuals with a family history of aortic disease, knowing their risk and seeking appropriate screening could prevent fatal events.
The AHA also noted that it receives more than 85% of its revenue from sources other than corporations, including individuals, foundations, and estates. Overall financial information is available here. The association has strict policies to prevent donations from influencing its science content and policy positions.
For further information, the AHA can connect reporters with experts to discuss the condition, risk factors, warning signs, advances in diagnosis and treatment, and recommendations from the 2022 guideline. The association continues to fund groundbreaking research and provide critical resources to save lives affected by cardiovascular disease and stroke.
