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1.
Blood ; 131(24): 2712-2719, 2018 06 14.
Artículo en Inglés | MEDLINE | ID: mdl-29724900

RESUMEN

The role of thrombophilia testing in predicting catheter-related deep vein thrombosis (DVT) after an incident (ie, first) catheter-related DVT in children remains unclear. The present study investigated the association between thrombophilia and recurrent catheter-related DVT. Children with thrombophilia testing, performed according to the clinician's judgment and the family's preference, and a history of objectively confirmed catheter-related DVT were included in the study. Recurrent catheter-related DVT after placement of a new catheter was the main outcome. Thrombophilia was classified as minor, major, or none. Analysis was conducted using mixed effect logistic regression. A total of 245 patients had 1,365 catheters inserted; 941 of these catheters were placed after the incident catheter-related DVT. Anticoagulants as treatment or prophylaxis were administered in 78.1% of inserted catheters for at least 50% of the time they were in place. Minor thrombophilia was found in 12.7% of patients, whereas major thrombophilia was seen in 8.2% of children. The incidence rate of recurrent events was 0.23/100 catheter-days (95% confidence interval, 0.19-0.28 catheter-days); 34.3% (95% confidence interval, 28.6%-40.0%) of patients requiring a new catheter after their incident thrombotic event had at least 1 recurrent event. The incidence proportion of bleeding complications was 4.6/100 patients receiving anticoagulation. Young age of the patient at the time of catheter insertion and lack of administration of treatment or prophylactic doses of anticoagulant were predictive of recurrent events. In contrast, thrombophilia was not predictive of recurrent catheter-related DVT during subsequent catheter insertions among tested patients. Our findings suggest that thrombophilia testing to predict recurrence in these patients may be unnecessary.


Asunto(s)
Catéteres/efectos adversos , Trombofilia/complicaciones , Trombosis de la Vena/etiología , Adolescente , Adulto , Factores de Edad , Anticoagulantes/uso terapéutico , Niño , Preescolar , Femenino , Humanos , Incidencia , Lactante , Masculino , Pronóstico , Recurrencia , Estudios Retrospectivos , Trombofilia/diagnóstico , Trombosis de la Vena/diagnóstico , Adulto Joven
2.
Blood ; 128(14): 1862-1869, 2016 10 06.
Artículo en Inglés | MEDLINE | ID: mdl-27474755

RESUMEN

Pediatric lower extremity deep vein thrombosis (LE-DVT) can lead to postthrombotic syndrome (PTS) and other adverse events. We investigated the outcomes of LE-DVT in children. Three groups were compared: non-line-related (Non-LR) DVT, LR DVT in neonates (LRneonates), and LR DVT in non-neonates (LRnon-neonates). A total of 339 children were included (Non-LR, n = 56; LRneonates, n = 95; and LRnon-neonates, n = 188). We found a statistically significant difference in the frequency of PTS (P = .04; 62.5%, 40.0%, and 46.3% in Non-LR, LRneonates, and LRnon-neonates, respectively), of recurrent LE-DVT (P = .001; 10.7% and 2.0% in Non-LR and LRnon-neonates, respectively), and pulmonary embolism (PE) (P < .001; 19.6% and 3.2% in Non-LR and LRnon-neonates, respectively) among groups. There was no difference in DVT resolution (P = .41). Multivariable analysis showed that DVT resolution, triggering event, and sex predicted Modified Villalta Scale (MVS; for pediatric PTS) scores >1; there was an interaction between DVT triggering event and sex. The time to reach an MVS >1 was significantly different when comparing groups (log-rank test, P < .001). Moreover, we found a significant difference in baseline MVS scores among groups, but the difference did not appear to change over time. In conclusion, LR LE-DVT had more benign outcomes than Non-LR DVT. Sex, DVT triggering event, and DVT resolution predicted LE-PTS in our cohort.


Asunto(s)
Pierna/patología , Síndrome Postrombótico/etiología , Trombosis de la Vena/complicaciones , Adolescente , Niño , Estudios de Cohortes , Estudios de Seguimiento , Humanos , Estimación de Kaplan-Meier , Oportunidad Relativa , Embolia Pulmonar/etiología , Recurrencia , Resultado del Tratamiento
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