ANZ journal of surgery · 2012
Pulmonary embolism and the use of vena cava filters after major trauma.
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Batty Lachlan M, Lyon Stuart M, Dowrick Adam S, Bailey Michael, Mahar Patrick D, Liew Susan M
Аннотация
BACKGROUND: Major trauma patients are at significant risk of developing pulmonary embolism (PE). We aimed to (i) analyse the current incidence and timing of PE after injury; (ii) identify risk factors that predispose major trauma patients to the occurrence of PE; and (iii) describe the use of vena cava filters (VCFs) following major trauma.
METHODS: Prospectively collected data from The Alfred Hospital's Trauma Registry were used to identify all major trauma patients admitted over a 7-year period. A multivariable logistic regression model was used to identify factors associated with the occurrence of PE. A similar model was developed to identify factors associated with the use of VCFs inserted at the discretion of the treating clinician.
RESULTS: A total of 6344 major trauma patients were treated during this period, with 73.2% male, mean age of 44.2, 90.2% with a blunt mechanism of injury and mean injury severity score of 24.3. Prophylactic VCFs were inserted in 511 patients (8.1%), with a mean time to insertion of 3.6 days after injury. There were 45 PE, 2 of which were fatal. The mean time to PE was 12 days post-injury. Three variables were independently associated with the occurrence of PE: the absence of a VCF; number of injuries to the lower limb; and central venous catheterization.
CONCLUSION: The PE rate was 0.71%. Lower limb injuries and central venous catheterization are independently associated with a higher risk of PE after major trauma and VCFs are associated with a reduced risk.
METHODS: Prospectively collected data from The Alfred Hospital's Trauma Registry were used to identify all major trauma patients admitted over a 7-year period. A multivariable logistic regression model was used to identify factors associated with the occurrence of PE. A similar model was developed to identify factors associated with the use of VCFs inserted at the discretion of the treating clinician.
RESULTS: A total of 6344 major trauma patients were treated during this period, with 73.2% male, mean age of 44.2, 90.2% with a blunt mechanism of injury and mean injury severity score of 24.3. Prophylactic VCFs were inserted in 511 patients (8.1%), with a mean time to insertion of 3.6 days after injury. There were 45 PE, 2 of which were fatal. The mean time to PE was 12 days post-injury. Three variables were independently associated with the occurrence of PE: the absence of a VCF; number of injuries to the lower limb; and central venous catheterization.
CONCLUSION: The PE rate was 0.71%. Lower limb injuries and central venous catheterization are independently associated with a higher risk of PE after major trauma and VCFs are associated with a reduced risk.