Risks and Side Effects of Marijuana Use
Case Study Overview
The use of marijuana, similar to all medications, carries inherent risks and potential side effects. A noteworthy case involved an older patient with stable cardiovascular disease who experienced a cardiac event due to inappropriate dosing and consumption of marijuana.
Patient Background
This case was analyzed in a study published in the Canadian Journal of Cardiology. The patient, who sought relief from osteoarthritis symptoms, had a complex medical history that included hypertension, dyslipidemia, type 2 diabetes, obesity, and a significant smoking history, having smoked one pack of cigarettes daily for over 30 years. Additionally, the patient had a family history of cardiac disease and was taking various medications, including aspirin, multiple heart medications, and treatments for high cholesterol and diabetes.
Incident Details
The patient ingested more than three-quarters of a 90-mg marijuana lollipop, marking his first experience with an oral marijuana formulation since his youth, when he smoked marijuana. Approximately 30 minutes post-consumption, he began to experience severe chest pain and hallucinations, prompting him to call a family member for assistance. Upon arrival at the emergency department, he exhibited signs of distress, including crushing chest pain, excessive sweating, and pallor. Vital signs revealed a notably high heart rate, elevated respiratory rate, and high blood pressure. The patient was treated for a heart attack with anticoagulants, antiplatelet medication, and aspirin.
Follow-Up and Outcomes
After the acute episode and once the effects of the marijuana subsided, the patient was discharged and scheduled for a follow-up 12 days later. The follow-up revealed a worsened ejection fraction, which indicated a decline in cardiac function. This case study specifically describes one patient’s experience with a marijuana edible and raises important clinical considerations.
Subjective Reports and Clinical Implications
The patient’s subjective reports were not clinically validated. He noted a “worsening functional status and exercise capacity” following the incident. The study highlights the need for caution when using oral marijuana, especially for patients with existing cardiovascular conditions and those on multiple medications. While the authors suggested that the patient’s heart attack resulted from “sudden and unexpected strain on the body,” the precise impact of marijuana edibles on his reduced ejection fraction remains uncertain. Factors such as pre-existing health conditions and lifestyle choices, including obesity and smoking, likely contributed to his cardiac issues.
Research Gaps and Future Directions
Need for Comprehensive Studies
There is a significant gap in research regarding the effects of marijuana on various disease states and its interactions with different medications. Future studies should address appropriate dosing recommendations for individuals across different age groups, particularly the elderly.
Guidance for Consumption Methods
The lack of guidance on how to transition between different marijuana consumption methods poses a challenge. In this instance, the patient had previously smoked marijuana but received no direction on how to effectively use edibles for pain relief while mitigating risks.
Importance of Regulatory Standards
As marijuana legalization becomes increasingly prevalent, it is crucial for regulatory agencies to establish clear guidelines for usage, ensuring that patients are protected from unintentional harm.
Conclusion of the Case Study
This case study exemplifies the complexities surrounding marijuana use for pain management, particularly in patients with multiple health conditions. It underscores the necessity for healthcare professionals to provide informed recommendations and the need for further research to support safe practices in marijuana consumption.
Reference
Saunders A, Stevenson R. Marijuana Lollipop-Induced Myocardial Infarction. Canadian Journal of Cardiology. February 2019. Volume 35, Issue 2, Pages 229.e1–229.e3.