Related Experiment Videos
Etiology and management of pediatric chylothorax
M Beghetti1, G La Scala, D Belli
1Cardiology Unit, Pediatric Surgery Clinic, Gastroenterology Unit, Department of Pediatrics and the Cardiovascular Surgery Clinic, Geneva, Switzerland.
Insights
This study found that conservative management is successful in 80% of chylothorax cases, particularly after cardiothoracic surgery. Early recognition of complications like superior vena cava thrombosis is key to improving outcomes.
Area of Science:
- Thoracic Surgery
- Pediatric Surgery
- Critical Care Medicine
Background:
- Chylothorax, a rare condition involving lymphatic fluid in the pleural space, can occur post-operatively, due to trauma, or be congenital.
- Understanding the incidence, causes, and effective management strategies for chylothorax is crucial for patient outcomes.
Purpose of the Study:
- To determine the incidence and primary causes of chylothorax.
- To evaluate the effectiveness of a therapeutic management approach for chylothorax.
Main Methods:
- A retrospective review of 51 patients diagnosed with chylothorax over a 12-year period.
- Data collected included the cause of chylothorax, time to diagnosis, duration, and fluid loss.
- Etiologies were categorized into direct thoracic duct injury, superior vena cava issues, and congenital causes.
Main Results:
- The overall incidence of chylothorax post-cardiothoracic surgery was 2.5% (46/1842).
- Direct thoracic duct injury was the most common cause (65%), followed by superior vena cava thrombosis/high pressure (27%) and congenital (8%).
- Conservative treatment was successful in 80% of patients; however, groups with superior vena cava issues or congenital causes had higher failure rates.
Conclusions:
- Conservative management is effective for the majority of chylothorax cases.
- Early detection and management of complications like superior vena cava thrombosis can enhance treatment success.
- Congenital chylothorax may necessitate distinct therapeutic strategies.
Objectives:
To determine the incidence and etiology of chylothorax and to assess our therapeutic management approach.
Study Design:
We reviewed 51 patients diagnosed with chylothorax over a 12-year period. Cause, interval between operation and diagnosis, duration of chylothorax, and total volume loss per weight were recorded.
Results:
Chylothorax was diagnosed in 46 children after cardiothoracic surgery, giving an incidence of 2.5% (46/1842); in 1 child chylothorax occurred after chest trauma, and in 4 the chylothorax was congenital or a manifestation of lymph angiomatosis. Three etiologic groups were identified: group 1, direct injury to the thoracic duct (33/51 = 65%); group 2, thrombosis and/or high venous pressure in the superior vena cava (14/51 = 27%); and group 3, congenital (4/51 = 8%). Conservative treatment was the only treatment in 80% of the patients. Surgical procedures consisted of 4 ligations of the thoracic duct, placement of 7 pleurodesis shunts, and placement of 2 pleuroperitoneal shunts. Patients in groups 2 and 3 were at higher risk for failure of conservative treatment (P <. 005). Longer duration of chylothorax and higher volume of drainage were present in group 2 compared with group 1 (P <.01).
Conclusion:
Conservative treatment was successful in 80% of the patients with our management approach. Prevention, early recognition, and treatment of potential complications, such as superior vena cava thrombosis or obstruction, may further improve success of conservative treatment. Congenital chylothorax seems different and may require a specific approach.