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The aim of this study was to identify, in (pre-) clinically obtained data, parameters predicting the outcome of patients with multiple trauma and severe head injury. Fifty-eight patients aged 27±10 years were investigated an average of 5.8 years after the accident. The Hanover Polytrauma Score was 34±11 points, the initially assessed Glasgow Coma Scale (GCS) was 6.2±3.2 points; and the duration of coma was 15.4±14.4 days. The primary length of stay in hospital averaged 33.4 days, including 22.9 days in the intensive care unit and 20.2 days of ventilation. For a further 223 days the patients were treated at the Neurologic Clinic of Hessisch Oldendorf. Besides different neurologic deficiency symptoms, the psychometric tests showed deficits in all areas. In particular, information processing speed, concentration, recent memory and learning performance were impaired. There was free mobility of all joints in 33% of the patients. Due to injury the elbow and ankle joint developed the worst restriction. Central paralysis and heterotopic ossification also caused a restriction in joint mobility. Half of the patients were confronted with different social changes. The rate of return to work was dependent on age. Some 42% of all patients had taken up their former profession, 5% were still in training or at college, 32% were retrained to other professions, 16% were unemployed and 5% were completely retired on pension. Age, injury severity, GCS, duration of coma and duration of weaning were suitable predictors in correlation- and regression analysis. The Glasgow Outcome Scale showed good recovery and moderate disability in 53%, severe disability in 33% and persistent vegetative state in 14% of the patients.