Background & objectives: The most common causes of mortality in patients with head trauma are epidural and subural hematomas. In the last three decades because of improvements in saving and monitoring patients in intensive care unite (ICU), the therapeutic outcomes have been improved dramatically. The aim of this study is to clarify the factors affecting treatment outcomes of patients with epidural and subdural hematomas in Fatemi hospital in Ardabil.

  Methods: The subjects of the study were selected from 109 recorded files in Ardabil Fatemi hospital in years 2001-2006. Data were analyzed by descriptive statistical methods, chi-square and Student's t-test using SPSS software.

  Results: Sixty nine (63%) and 40 (37%) of patients had epidural and subdural hematomas, respectively. The mean age of patients was 33. GCS at the time of admission was 10 and mean hospitalization days in neurosurgery section and ICU were 6 and 8 days respectively. Ninty two (84%) of patients were men and 17 (16%) were female. According to Glosco system, treatment autcome of 76 (70%) patients was desired and that in 33(30%) patients was poor. Nine (13%) of patients with epidorel hematomas and 23 (53%) patients with subdural hematomas were died.

  Conclusion : This study showed that type of hematoma (epidural and subdural), age, length of ICU stay and GCS at the time of admission affect the treatment outcomes.