Plasminogen-activator-inhibitor-1 4G/5G promoter polymorphism and prognosis of severely injured patients.
case_control · Level III
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Abstract
A single base pair insertion/deletion (4G/SG) promoter polymorphism in the plasminogen-activator-inhibitor-1 (PAI-1) gene is thought to play a part in prognosis after severe trauma. We investigated the relation between outcome of severe trauma, PAI-1 concentrations, and PAP-1 genotype in 61 patients who had been severely injured. 11 (58%) of 19 patients with genotype 4G/4G did not survive, whereas only eight (28%) of 29 patients with heterozygous genotype 4G/SG, and two (15%) of 13 patients with genotype 5G/5G died. The PAI-1 4G allele is associated with high concentrations of PAI-1 in plasma and a poor survival rate after severe trauma.