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Chylothorax after coronary artery bypass grafting
1Department of Surgery, Division of Cardiothoracic Surgery, Texas Tech University Health Sciences Center, Lubbock, Texas 79430-8312, USA. ari.halldorsson@ttuhsc.edu
Insights
Chylothorax, a rare complication after coronary artery bypass grafting (CABG), may be more frequent than reported. Understanding its causes and course is crucial for new treatment options.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Surgical Complications
Background:
- Chylothorax, characterized by chylous fluid in the pleural space, can occur after various surgeries.
- While rare after coronary artery bypass grafting (CABG), its incidence may be underestimated.
Observation:
- This report details a case of right-sided chylothorax following CABG.
- A comprehensive literature review on thoracic duct injuries and chylothorax post-CABG was conducted.
Findings:
- The study emphasizes the anatomical variations of the thoracic duct and its tributaries.
- Analysis of reported cases informed the development of a treatment algorithm.
Implications:
- Accurate diagnosis and understanding of chylothorax etiology are vital for effective management.
- The proposed algorithm aids clinicians in treating this rare but significant complication after CABG.
Abstract:
Injuries to the thoracic duct and its tributaries resulting in chylothorax have been described after almost any thoracic, mediastinal, cardiac, and neck surgery. Although it remains one of the rarest complications after coronary artery bypass grafting (CABG), evidence suggests that its frequency is underestimated. New treatment options make it paramount to understand the etiology, pathophysiology, and natural course of this complication. We report a case of a right-sided chylothorax after CABG and a thorough review of the literature. The anatomy of the thoracic duct and its tributaries are discussed, with special emphasis on the anatomic variability of these structures. A treatment algorithm is proposed based on analysis of all reported cases.
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