a systematic review on the patient related risk factors for catheter- related thrombosis amy leung...
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A systematic review on the patient related risk factors for catheter-
related thrombosisAmy Leung
Intern, Mater Health Services
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Central Venous Catheter Peripherally Inserted Central Catheter
.• Secure vascular access
.• Prevent repeated venipuncture and subsequent pain
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Catheter-Related Thrombosis
Catheter Related Thrombosis
- Occlusion-Obliteration of
veins
Loss of Vascular Access
Pulmonary Embolism
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Remaining issues
Identification Closer monitoring ?Prevention
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Aim of the Study
• To explore the patient-related risk factors associated with the development of a catheter-related thrombosis.
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Method
Systematic Review
Search Engines: PubMed, Cochrane Library, Ovid
Search Terms: (‘upper limb deep vein thrombosis’ or ‘deep vein thrombosis’) AND (‘risk factor’) AND (‘peripherally inserted central catheter’ OR ‘central venous catheter’ OR ‘catheter’)
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Inclusion Criteria
• Observational studies on patient-related risk factors for catheter-related thrombosis
• Studies with greater than 10 participants• Articles involving humans• Studies published in the English language
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Exclusion Criteria
• Abstracts, review articles, letters, expert opinions, studies involving catheters that were not central venous catheters or peripherally inserted central catheters
• Studies that did not include patient-related risk factors
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Method
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Results Risk Factors Investigated
• Age• Gender• Increased BMI• Ethnicity• Malignancy• Anti-coagulation• Thrombocytopaenia• Personal history of
thrombosis• Diabetes
• Hypertension• Recent surgery• Chemotherapy• Hormone replacement
therapy• Smoking• Metastasis• Trauma• Haemoglobin• Renal insufficiency
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Significant Risk FactorsAge
Malignancy
Diabetes
Obesity
Chemotherapy
Thrombophilia
Personal history of thrombosis
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Lack of Consistency
Different screening methods
Wide variety of methods
Lack of Definitions
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Limitations
Wide heterogeneity of population groups• Patients with head
injury• Patients in
neurological ICU
Different screening methods• Screening
asymptomatic vs symptomatic patients
Bias• Lack of sample
size calculation• Lack of blinding of
assessors• Underpowered
studies• Observational
studies
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Benefits
Identification Closer monitoring ?Prevention
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Conclusion
In future…
• More robust study designs • Larger sample sizes • Screening all of the patients
within the study