Spontaneous coronary artery dissection (SCAD) is an increasingly recognized cause of heart attacks in young women. Clinicians often observe a significant link between SCAD and oral contraceptives, particularly in patients without traditional risk factors. A recent case report highlights a 32-year-old woman who experienced an acute myocardial infarction (AMI) while taking combined hormonal birth control for four months.

Understanding the Link: SCAD and Oral Contraceptives

While the exact mechanism remains unclear, hormonal factors significantly influence arterial wall integrity. Consequently, the high estrogen states associated with SCAD and oral contraceptives may predispose individuals to intimal tears or intramural hematomas. In this specific case, the patient presented with acute chest pain and ST-segment elevation. Coronary angiography initially showed diffuse narrowing of the left anterior descending (LAD) artery. However, the condition improved after intracoronary nitroglycerin administration. Subsequent optical coherence tomography (OCT) confirmed an intramural hematoma, which is a hallmark of SCAD.

Clinical Presentation and Management

Early identification is crucial for achieving favorable outcomes in young female patients presenting with acute coronary syndrome. Therefore, physicians must maintain a high clinical suspicion of SCAD when traditional atherosclerotic risks are absent. In this case, the medical team opted for conservative management rather than invasive stenting. Follow-up imaging at six weeks showed significant healing of the vessel. Furthermore, the patient recovered fully with normalized left ventricular function at the one-year mark. This outcome supports the current preference for non-invasive strategies in stable SCAD patients.

FAQs on SCAD and Hormonal Factors

How do oral contraceptives increase the risk of SCAD?

Exogenous hormones can alter the proteoglycan composition and collagen synthesis within the arterial media. These changes potentially weaken the vessel wall, making it susceptible to spontaneous dissection under stress.

What is the preferred diagnostic tool for suspected SCAD?

While coronary angiography is the first step, advanced intravascular imaging like Optical Coherence Tomography (OCT) or Intravascular Ultrasound (IVUS) provides definitive evidence of intramural hematomas or false lumens.

Should SCAD patients continue using hormonal birth control?

Typically, clinicians recommend discontinuing systemic hormonal contraceptives after a SCAD event. Patients should instead consider non-hormonal alternatives or progestin-only intrauterine devices to minimize recurrence risks.

Disclaimer: This content is for informational and educational purposes only. It does not constitute medical advice or a professional relationship. Refer to the latest local and national guidelines for clinical practice.

References

1. Li C et al. Acute Myocardial Infarction Caused by Oral-Contraceptive - Related Spontaneous Coronary Artery Dissection: a Case Report. Kardiologiia. 2026 Feb 11. doi: 10.18087/cardio.2026.1.n2979. PMID: 41671027.


2. Adlam D, et al. Genome-wide association meta-analysis of spontaneous coronary artery dissection identifies risk variants and genes related to artery integrity and tissue-mediated coagulation. Nat Genet. 2023;55(6):964-972.


3. Hayes SN, et al. Spontaneous Coronary Artery Dissection: Current State of the Science: A Scientific Statement From the American Heart Association. Circulation. 2018;137(19):e523-e557.