title: [Changes of peripheral blood estradiol and testosterone in early stage after trauma].
abstract: OBJECTIVE
  To explore the correlation of serum estradiol, testosterone and their ratio to the injury severity score (ISS) and Glasgow coma score (GCS) in patients with multiple traumatic injuries.
  
  
  METHODS
  The serum levels of estradiol and testosterone were determined by radioimmunoassay double antibody precipitation method in 95 patients with multiple traumatic injuries within 24 h after trauma. The patients were grouped according to the ISS or GCS (in cases with craniocerebral injury) for comparison of the serum estradiol and testosterone levels with those in 15 normal individuals.
  
  
  RESULTS
  In the acute stage of multiple trauma, a distinct declination of testosterone and a marked increment of estradiol were observed, and the changes were closely related to the severity of the trauma .The serum levels of estradiol and testosterone and their ratio differed significantly between patients with severe trauma (ISS>25) and the other groups (P<0.01), and also between patients with craniocerebral injury (with GCS of 3-5 or 5-8) and the other groups (P<0.01).
  
  
  CONCLUSIONS
  Serum estradiol and testosterone levels and their ratio are correlated to the severity of trauma and craniocerebral injuries, and may serve as indicators for evaluating the trauma severity and prognosis of the traumatic patients.
authors.affiliation: Department of Emergency Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China. wugang_wugang@126.com
authors.forename: Gang
authors.initials: G
authors.lastname: Wu
authors.forename: Zan-Zhi
authors.initials: ZZ
authors.lastname: Wang
authors.forename: Yang
authors.initials: Y
authors.lastname: Wang
authors.forename: Juan
authors.initials: J
authors.lastname: Fu
authors.forename: Li-Jun
authors.initials: LJ
authors.lastname: Xu
mesh_terms: D000293:Adolescent; D000328:Adult; D015415:Biomarkers / Q000097:blood; D001930:Brain Injuries / Q000097:blood*; D004958:Estradiol / Q000097:blood*; D015600:Glasgow Coma Scale; D006801:Humans; D015601:Injury Severity Score; D008297:Male; D008875:Middle Aged; D009104:Multiple Trauma / Q000097:blood*; D011863:Radioimmunoassay; D013739:Testosterone / Q000097:blood*; D013997:Time Factors; D055815:Young Adult
chemical_list: D015415:Biomarkers; D013739:Testosterone; D004958:Estradiol