- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04302376
Thrombotic Complications After Central Venous Catheterization (TARZAN)
Thrombotic Complications After Central Venous Catheterization: a Prospective Observational Study
Rationale: Complications related to central venous catheterization are mechanical, infectious or thrombotic in origin. Potential complications of catheter-related thrombosis are not insubstantial and include pulmonary embolism, post-thrombotic syndrome or thrombophlebitis. Prevalence and incidence of catheter-related thrombosis at the intensive care unit is unclear and treatment, especially of asymptomatic thrombosis, remains ambiguous. Therefore a study is warranted that evaluates the prevalence and incidence of catheter-related thrombosis and investigates its potential consequences. We hypothesize that the incidence of catheter-related thrombosis is 5-15%.
Objective: To assess the prevalence and incidence of symptomatic and asymptomatic catheter-related thrombosis.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
INTRODUCTION AND RATIONALE
Since its introduction, central venous catheter (CVC) use has been increasing and is now indispensable in modern-day medical practice. Besides its imperative use in critically ill patients, there are multiple complications associated with central venous catheterization. Complications are mechanical, infectious or thrombotic in origin. There is a growing body of literature that recognises the potential deleterious consequences of catheter-related bloodstream infections and this complication has been the main focus of research. In contrast, despite catheter-related thrombosis being a well-known complication and accounting for approximately 15 percent of all venous thromboses in ICU patients, its exact incidence and potential consequences in ICU patients remain unclear.
Histologically, due to intravascular movement of the CVC focal areas of endothelial injury in the vein wall adjacent to the catheter occur. Simultaneously, a fibrin sheath grows along the catheter surface from the venotomy site. The fibrin sheath, in combination with endothelial injury and a decreased blood flow around the catheter triggers the development of catheter-related thrombosis. The formed thrombus can gradually increase in size until there is occlusion of the vein and, subsequently, symptoms of localized swelling, pain, tenderness and erythema along the course of the vein may occur.
Up to now CVCs are removed without routinely investigating the presence of catheter-related thrombosis. Therefore, its exact incidence is ambiguous and among asymptomatic patients the natural course of catheter-related thrombosis remains uncertain. Potential consequences of catheter-related thrombosis are not insubstantial; they include pulmonary embolism, post-thrombotic syndrome, thrombophlebitis, treatment delay, and loss of venous access. However, a study by Jones et al., conducted in children who received a CVC in the internal jugular or femoral vein, showed low risk for developing short and long-term sequalae after catheter-related thrombosis. Moreover, another study by White et al. showed no increased risk of developing pulmonary embolism after central venous catheter placement.
To date, there is no consensus regarding treatment of catheter-related thrombosis in ICU patients. In case it becomes symptomatic, guidelines for lower extremity deep vein thrombosis are followed and patients are treated accordingly. However, in case catheter-related thrombosis is an accidental find and remains asymptomatic, treatment is more controversial. Some physicians decide to treat it with anticoagulants, whereas others do not treat it at all.
If we take into account that the natural history of catheter-related thrombosis remains unclear in adult ICU patients and its treatment is even more controversial, a study is warranted that investigates the incidence and potential sequelae of catheter-related thrombosis. The primary aim of this study is to evaluate the incidence of catheter-related thrombosis in adult ICU patients and to investigate its relationship with potentially hazardous sequelae.
OBJECTIVES
Primary Objective:
- To evaluate the prevalence and incidence of catheter-related thrombosis in adult ICU patients
Secondary Objectives:
- To investigate the correlation between catheter-related thrombosis and catheter-related infections
- To identify potential risk factors associated with catheter-related thrombosis
- To investigate the association of catheter-related thrombosis with potential sequalae
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Noord-Holland
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Amsterdam, Noord-Holland, Netherlands, 1081 HZ
- VU University Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Central venous cannulation of the internal jugular vein, subclavian vein, or femoral vein
- ≥ 48 hours catheter indwelling time
Exclusion Criteria:
- Removal of the CVC within 48 hours after placement
- Pre-existent thrombosis at vein of insertion site
- Discharge of patients from ICU with CVC in situ
- Inability to perform compression and colour Doppler ultrasound evaluation of cannulated vein
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Catheter-related thrombosis
The presence of occlusive or nonocclusive thrombus in the insertion vein ad identified on Doppler and compression ultrasonography and compression ultrasound.
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Doppler and compression ultrasound to detect catheter-related thrombosis
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No catheter-related thrombosis
The absence of occlusive or nonocclusive thrombus in the insertion vein ad identified on Doppler and compression ultrasonography and compression ultrasound.
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Doppler and compression ultrasound to detect catheter-related thrombosis
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Incidence and prevalence of catheter-related thrombosis
Time Frame: Date of central venous catheter insertion until date of catheter removal, assessed up to 28 days after CVC insertion
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Prevalence and incidence of catheter-related thrombosis per 1000 catheter days. Catheter-related thrombosis will be divided into asymptomatic and symptomatic catheter-related thrombosis: Asymptomatic thrombosis: the presence of occlusive or nonocclusive thrombus in insertion vein as identified on Doppler and compression ultrasonography and the absence of any clinical signs or symptoms of thrombosis of the area Symptomatic thrombosis: The presence of occlusive or nonocclusive thrombus in the insertion vein as identified on Doppler and compression ultrasonography and the presence of at least 1 of the following signs or symptoms: swelling, pain, redness, or discoloration of the area; dysfunction of the CVC. |
Date of central venous catheter insertion until date of catheter removal, assessed up to 28 days after CVC insertion
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Association of catheter-related thrombosis with development of pulmonary embolism
Time Frame: Date of central venous catheter removal up to 1 month of follow up, hospital discharge or death
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Pulmonary embolism as seen on CT
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Date of central venous catheter removal up to 1 month of follow up, hospital discharge or death
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Association of catheter-related thrombosis with development of symptomatic thrombosis
Time Frame: Date of central venous catheter removal up to 1 month of follow up, hospital discharge or death
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Symptomatic thrombosis: the presence of occlusive or nonocclusive thrombus in the insertion vein as identified on Doppler and compression ultrasonography and the presence of at least 1 of the following signs or symptoms: swelling, pain, redness, or discoloration of the area; dysfunction of the CVC.
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Date of central venous catheter removal up to 1 month of follow up, hospital discharge or death
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Association of catheter-related thrombosis with development of suppurative (septic) thrombophlebitis.
Time Frame: Date of central venous catheter removal up to 1 month of follow up, hospital discharge or death
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Suppurative thrombophlebitis: persistent bacteraemia for 72 hours after catheter removal despite appropriate antimicrobial therapy in combination with symptomatic or asymptomatic thrombosis
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Date of central venous catheter removal up to 1 month of follow up, hospital discharge or death
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Correlation of catheter-related thrombosis with catheter-related infections
Time Frame: Date of central venous catheter insertion until date of catheter removal, assessed up to 28 days after CVC insertion
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Catheter-related infections will be divided into three subgroups: Local catheter infection: clinical signs of infection at CVC insertion site (redness, pus) in combination with a positive culture from the skin and/or pus at the insertion site Clinical suspicion of catheter infection: one or more of the following: local infection; fever of unknown origin, with CVC present for ≥ 3 days; positive blood cultures without clear focus of infection at other site; normalization of temperature after CVC removal Catheter-related bloodstream infection (CRBSI): Clinical suspicion of infection (fever, chills, unexplained leukocytosis, hypotension, tachycardia etc.) with no clear focus apart from the central line, or signs of local infection around the insertion site, in combination with a positive culture from a catheter segment and at least one positive blood culture of the same pathogen. The blood sample must be drawn from a different location than from the potentially infected central line. |
Date of central venous catheter insertion until date of catheter removal, assessed up to 28 days after CVC insertion
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Risk factors associated with catheter-related thrombosis.
Time Frame: Date of central venous catheter insertion until date of catheter removal, assessed up to 28 days after CVC insertion
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Potential risk factors are identified using previously published literature or are theoretically based on Virchow's triad: patient characteristics, CVC-tip location, lumen diameter, number of lumens, insertion site, duration of insertion procedure, arterial puncture, vein diameter, (lumen diameter/vein diameter) indwelling time, number of cannulation attempts, elective or emergency insertion and experience of investigator inserting the CVC.
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Date of central venous catheter insertion until date of catheter removal, assessed up to 28 days after CVC insertion
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Collaborators and Investigators
Sponsor
Publications and helpful links
General Publications
- Parienti JJ, Mongardon N, Megarbane B, Mira JP, Kalfon P, Gros A, Marque S, Thuong M, Pottier V, Ramakers M, Savary B, Seguin A, Valette X, Terzi N, Sauneuf B, Cattoir V, Mermel LA, du Cheyron D; 3SITES Study Group. Intravascular Complications of Central Venous Catheterization by Insertion Site. N Engl J Med. 2015 Sep 24;373(13):1220-9. doi: 10.1056/NEJMoa1500964.
- Jones S, Butt W, Monagle P, Cain T, Newall F. The natural history of asymptomatic central venous catheter-related thrombosis in critically ill children. Blood. 2019 Feb 21;133(8):857-866. doi: 10.1182/blood-2018-05-849737. Epub 2018 Oct 30.
- Wall C, Moore J, Thachil J. Catheter-related thrombosis: A practical approach. J Intensive Care Soc. 2016 May;17(2):160-167. doi: 10.1177/1751143715618683. Epub 2015 Dec 3.
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2019.575
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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