Refractory vascular spasm associated with coronary bypass grafting
Young Sam Kim1, Yong Han Yoon1, Jeoung Taek Kim1
1Department of Thoracic and Cardiovascular Surgery, Inha University Hospital.
The Korean Journal of Thoracic and Cardiovascular Surgery
|October 28, 2014
Summary
Diffuse coronary artery spasms after coronary artery bypass grafting (CABG) are rare but serious complications. This case highlights the challenges in managing such refractory vascular spasms, emphasizing predisposing factors and treatment strategies.
Area of Science:
- Cardiovascular Surgery
- Interventional Cardiology
- Vascular Medicine
Background:
- Coronary artery bypass grafting (CABG) is a common procedure for severe coronary artery disease.
- Diffuse refractory vascular spasms are a rare but serious complication following CABG.
- Recurrent left main coronary artery disease necessitates complex surgical intervention.
Observation:
- A 42-year-old male with prior stent insertion presented with recurrent left main coronary artery disease.
- Hemodynamic instability during graft harvesting led to early cardiopulmonary bypass (CPB) initiation.
- Inability to wean from CPB prompted emergency coronary angiography.
Findings:
- Coronary angiography revealed diffuse vasospasm in native coronary arteries and grafts.
- Cardiopulmonary bypass was transitioned to femorofemoral extracorporeal membrane oxygenation (ECMO).
- The patient recovered from heart failure but experienced lower limb ischemia from ECMO cannulation.
Implications:
- This case underscores the importance of recognizing and managing refractory vasospasm post-CABG.
- Understanding predisposing factors is crucial for preventing such devastating complications.
- Management strategies involving ECMO and addressing secondary ischemia are critical for patient outcomes.
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