Key result
CABG using an anomalous LITA achieves complete symptom relief at 2 years.
Why the study?
The left internal thoracic artery (LITA) typically originates from the first part of the subclavian artery, but anomalous origins are rare and clinically important for coronary bypass grafting.
Case Report (n=1)
This case report documents a rare anatomical variant where the left internal thoracic artery originated from the second intercostal artery, which was successfully used as a free graft for coronary bypass.
Left internal thoracic artery (LITA) has increased importance and common use in coronary bypass grafting because of long-term better patency rate and improvement in both the duration and quality of survival of patients.LITA is a branch of the first part of the subclavian artery.We report a case in which the LITA originated from the second left intercostal artery.A 71-year-old man with a history of angina pectoris for 1 month was admitted to the hospital because of progressive increase in anginal symptoms.During the operation, it was noted that the LITA originated from the second intercostal artery.LITA used as a free graft.LITA was anastomosed to the left anterior descending coronary artery.He was free of symptoms 4 weeks after operation.To our knowledge, this is the first reported case of the LITA originating from the second intercostal artery.
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Mehmet et al. (2012) conducted a case report in Angina pectoris (n=1). Coronary artery bypass grafting using anomalous left internal thoracic artery was evaluated on Symptom relief. Coronary artery bypass grafting using an anomalous left internal thoracic artery originating from the second intercostal artery was successfully performed, leaving the patient symptom-free at 2 years.
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