Simon Li1, Cicero T Silva2, Adele R Brudnicki3, Kenneth E Baker2, Joana A Tala4, Matthew G Pinto1, Lee A Polikoff5, Li Qin6, E Vincent S Faustino7. 1. Pediatric Intensive Care Unit, Maria Fareri Children's Hospital, Valhalla, NY, USA. 2. Department of Diagnostic Radiology, Yale School of Medicine, New Haven, CT, USA. 3. Department of Radiology, Maria Fareri Children's Hospital, Valhalla, NY, USA. 4. Pediatric Intensive Care Unit, Yale-New Haven Children's Hospital, New Haven, CT, USA. 5. Department of Pediatrics, Yale School of Medicine, 333 Cedar St., New Haven, CT, 06520, USA. 6. Center for Outcomes Research and Evaluation, Yale University/Yale-New Haven Hospital, New Haven, CT, USA. 7. Department of Pediatrics, Yale School of Medicine, 333 Cedar St., New Haven, CT, 06520, USA. vince.faustino@yale.edu.
Abstract
BACKGROUND: Compared with consultative US performed by the radiology department, point-of-care US performed by non-radiology physicians can accurately diagnose deep venous thrombosis in adults. OBJECTIVE: In preparation for a multicenter randomized controlled trial, we determined the accuracy of point-of-care US in diagnosing central venous catheter-related thrombosis in critically ill children. MATERIALS AND METHODS: Children <18 years old with a central venous catheter who were admitted to the intensive care unit were enrolled. Consultative and point-of-care compression ultrasounds with Doppler were done on the vein where the catheter was inserted within 24 h after insertion. Repeat US was obtained within 24 h of removal of the catheter. All images were centrally, blindly and independently adjudicated for thrombosis by a team of pediatric radiologists. Chance-corrected agreement between readings was calculated. RESULTS:From 84 children, 152 pairs of consultative and point-of-care ultrasounds were analyzed. A total of 38 (25.0%) consultative and 17 (11.2%) point-of-care ultrasounds were positive for thrombosis. The chance-corrected agreement between consultative and point-of-care ultrasounds was 0.17 (standard error: 0.07; P = 0.008). With consultative US as a reference, the sensitivity of point-of-care US was 28.1% (95% confidence interval: 13.7%-46.7%) with a specificity of 91.8% (95% confidence interval: 84.4%-96.4%). A catheter in the subclavian vein was associated with discordant readings (adjusted odds ratio: 4.00; 95% confidence interval: 1.45-13.94). CONCLUSION: Point-of-care US, when performed by non-radiology physicians and centrally adjudicated by pediatric radiologists in the setting of a multicenter randomized controlled trial, may not accurately diagnose catheter-related thrombosis in critically ill children.
RCT Entities:
BACKGROUND: Compared with consultative US performed by the radiology department, point-of-care US performed by non-radiology physicians can accurately diagnose deep venous thrombosis in adults. OBJECTIVE: In preparation for a multicenter randomized controlled trial, we determined the accuracy of point-of-care US in diagnosing central venous catheter-related thrombosis in critically ill children. MATERIALS AND METHODS:Children <18 years old with a central venous catheter who were admitted to the intensive care unit were enrolled. Consultative and point-of-care compression ultrasounds with Doppler were done on the vein where the catheter was inserted within 24 h after insertion. Repeat US was obtained within 24 h of removal of the catheter. All images were centrally, blindly and independently adjudicated for thrombosis by a team of pediatric radiologists. Chance-corrected agreement between readings was calculated. RESULTS: From 84 children, 152 pairs of consultative and point-of-care ultrasounds were analyzed. A total of 38 (25.0%) consultative and 17 (11.2%) point-of-care ultrasounds were positive for thrombosis. The chance-corrected agreement between consultative and point-of-care ultrasounds was 0.17 (standard error: 0.07; P = 0.008). With consultative US as a reference, the sensitivity of point-of-care US was 28.1% (95% confidence interval: 13.7%-46.7%) with a specificity of 91.8% (95% confidence interval: 84.4%-96.4%). A catheter in the subclavian vein was associated with discordant readings (adjusted odds ratio: 4.00; 95% confidence interval: 1.45-13.94). CONCLUSION: Point-of-care US, when performed by non-radiology physicians and centrally adjudicated by pediatric radiologists in the setting of a multicenter randomized controlled trial, may not accurately diagnose catheter-related thrombosis in critically ill children.
Entities:
Keywords:
Central venous catheter; Children; Intensive care unit; Point-of-care ultrasound; Ultrasound; Venous thromboembolism
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