What question did this study set out to answer?

To report a significant case of iatrogenic dissection in the left main coronary artery during PCI.

January 10, 2026Cureus0 citationsOpen Access

Left Main Coronary Artery (LMCA) Iatrogenic Dissection a Catastrophic Complication During Primary Percutaneous Coronary Intervention (PCI): A Case Report

YDYoussef DaoudiCentre Hospitalier Universitaire Mohammed VI OTO. TaoussiUniversité Mohammed VI des Sciences de la Santé GBGhita BennisUniversité Mohammed VI des Sciences de la Santé

Key Result

Successful recanalization of iatrogenic LMCA dissection was achieved through early intervention, highlighting the importance of timely management in preventing severe outcomes.

Key Points

To report a significant case of iatrogenic dissection in the left main coronary artery during PCI.
Case report detailing the clinical presentation and management of a LMCA dissection.
Description of intervention techniques and immediate response during PCI.
Post-procedure monitoring and follow-up evaluations.
Identified a catastrophic iatrogenic dissection of the LMCA during the procedure.
Patient required emergent interventions to manage the dissection complication.
Outcomes indicated risks associated with LMCA interventions during PCI.

Structured PICO

Population

1 patient, 66-year-old male, active smoker with effort-induced angina (CCS class II) and proximal LAD occlusion.

Intervention

Immediate stenting of the left coronary artery (LCA) to seal the dissection entry site, along with cardiac resuscitation and vasopressive drugs.

Outcome

Successful recanalization and sealing of the iatrogenic coronary dissection.

Prompt recognition and immediate stenting of iatrogenic left main coronary artery dissection during PCI can successfully manage this catastrophic complication.

Main Result

Absolute Event Rate: 0% vs 0%

Abstract

Catheter-induced coronary artery dissection is a rare and serious complication that may occur during coronary angiography or angioplasty procedures. Its timely recognition and appropriate management are critical to prevent severe consequences such as myocardial infarction or sudden cardiac death. The treatment strategy depends on the extent and location of the dissection, with revascularization often required to restore adequate coronary blood flow. Various approaches, including percutaneous intervention, may be employed based on the clinical scenario. In this report, we describe a case of successful recanalization following an iatrogenic coronary dissection, emphasizing the importance of early intervention and individualized management.

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