Systemic Catheter-Related Venous Thromboembolism in Children: Data From the Italian Registry of Pediatric Thrombosis.

Lasagni, Donatella;Nosadini, Margherita;Molinari, Angelo Claudio;Saracco, Paola;Systemic Thromboses Working Group of the Italian Registry of Pediatric Thrombosis (RITI Registro Italiano Trombosi Infantili);et.al.

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Authors
  • Lasagni, Donatella
    Author
  • Nosadini, Margherita
    Author
  • Molinari, Angelo Claudio
    Author
  • Saracco, Paola
    Author
  • Piersigilli, Fiammettaorcid-logoUCLouvain
    Author
  • Systemic Thromboses Working Group of the Italian Registry of Pediatric Thrombosis (RITI Registro Italiano Trombosi Infantili)
    Collaborator
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Abstract
BACKGROUND: Central venous catheters (CVCs) represent one of the main risk factors for venous thrombotic events (VTEs) in children. METHODS: We studied the Italian Registry of Pediatric Thrombosis (RITI) with regard to systemic radiologically confirmed CVC-related VTEs (CVC-VTEs) occurred during 6.5 years in children aged 29 days to 18 years. RESULTS: A total of 78 CVC-VTEs were included, which occurred in 76 patients (40/76, 53% males). CVC-VTEs comprised 67 non-cardiac VTEs (86%) and 11 intracardiac thrombotic events (ICTEs) (14%); the median age at onset was 19 and 17 months, respectively. The most frequent reason for CVC insertion was supportive therapy. The catheters were placed percutaneously in 85% of cases (56/66) and surgically in the remaining 15% (10/66). Peripherally inserted central catheters (PICCs) were used in 47% (31/66) cases, partially implanted catheters in 42% (28/66), non-implantable catheters in 7% (5/66), and totally implanted catheters (Port) in 2% (1/66). CVC-VTEs were symptomatic in 77% of cases (60/78), while in the remaining 23%, they were incidentally detected on the imaging performed for the underlying condition. The median time between CVC insertion and the onset of symptoms was 10 days in non-cardiac VTEs and 39 days in ICTEs. Doppler ultrasound was the diagnostic technique most frequently used. The venous compartment most frequently affected was the veins of the lower extremities (52%, 43/73). Anti-thrombotic treatment was administered in 96% of CVC-VTEs (75/78). About 2.6% (2/76) of patients experienced a second thrombotic event. At discharge, post-thrombotic syndrome was reported in 13.5% (5/37) events with available data, CVC replacement in 10.8% (4/47), and ischemic necrosis with toe finger amputation in 2.7% (1/37). Three patients died due to an underlying condition; no CVC-VTE-related deaths were reported. CONCLUSIONS: We have carried out a registry-based study on CVC-VTEs in the children in Italy, providing the data that may help improve the detection and management of this CVC-related complication.
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