Navigating Aspirin Hypersensitivity in Patients Undergoing Percutaneous Coronary Intervention

Kai Shiang Lin, Keston Rattan, Jensen George, Samantha Cavusoglu, Christy Joseph, Varsha Talanki, Sabu John

Abstract


Aspirin hypersensitivity continues to be a major clinical challenge in patients with coronary artery disease (CAD), particularly in those requiring percutaneous coronary intervention (PCI) in the absence of a validated alternative antiplatelet regimen. Although true aspirin allergies are uncommon, they can manifest with severe reactions such as angioedema or anaphylaxis, highlighting the critical role of diagnostic challenge tests and tolerance induction strategies. Here, a 61-year-old female with end-stage renal disease (ESRD) on hemodialysis presented with new-onset heart failure and elevated troponins in the setting of a hypertensive emergency. A subsequent left heart catheterization revealed severe multivessel disease, but PCI was deferred due to her history suggestive of aspirin-induced angioedema and the absence of a known optimal approach in this scenario. Given the feasibility of completing a desensitization protocol, aspirin desensitization was pursued, facilitating the successful placement of a drug-eluting stent. This case highlights the need for validated protocols to manage aspirin hypersensitivity, as the current treatment paradigm necessitates a highly individualized approach by the treating clinician.




J Med Cases. 2024;15(8):201-207
doi: https://doi.org/10.14740/jmc4239

Keywords


Aspirin; Allergy; Angioedema; Percutaneous coronary intervention; Heart failure; Acute coronary syndrome; Hypersensitivity; Dual antiplatelet therapy

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