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Therapeutic effect of mild hypothermia on severe traumatic head injury. 2005

Wu-si Qiu, and Wei-guo Liu, and Hong Shen, and Wei-min Wang, and Zhi-Liang Hang, and Ying Zhang, and Su-jun Jiang, and Xiao-feng Yang
Department of Neurosurgery, Second Affiliated Hospital, Medical College, Zhejiang University, Hangzhou 310009, China. shihai954@sohu.com

OBJECTIVE To investigate the therapeutic effect of mild hypothermia on severe traumatic brain injury. METHODS Eighty-six in-patients with severe traumatic brain injury treated ordinarily were consecutively randomized into two groups: a hypothermia group (n=43) and a normothermia group (the control group, n=43). In the hypothermia group, the core temperature (i.e., nasopharyngeal or brain temperature) of the patient was reduced to and maintained at 33-35 degrees C with a systemic cooling blanket. Natural rewarming began after 3-5 days (mean: 4.3 days) of hypothermia treatment. In the control group, the patient received no hypothermia treatment. The vital sign, extradural pressure and serum superoxide dismutase were observed and measured during treatment, and the complications as well as the Glasgow outcome scale were evaluated at 2 years after injury. RESULTS The mean extradural pressure in the hypothermia group (27.38 mm Hg +/- 4.88 mm Hg at 24 hours, 29.40 mm Hg +/- 4.50 mm Hg at 48 hours and 26.40 mm Hg +/- 4.13 mm Hg at 72 hours after injury) was much lower than that in the control group (32.63 mm Hg +/- 3.00 mm Hg, 34.80 mm Hg +/- 6.00 mm Hg and 31.81 mm Hg +/- 4.50 mm Hg respectively at 24, 48 and 72 hours, P<0.05). The mean serum superoxide dismutase levels in the hypothermia group on days 3 and 7 (583.7 microg/L +/- 99.6 microg/L and 699.4 microg/L +/- 217.3 microg/L, respectively) were much higher than those in the control group at the same time period (446.6 microg/L +/- 79.5 microg/L and 497.1 microg/L +/- 101.2 microg/L, respectively, P<0.01). The recovery rates at 2 years after injury were 65.1% in the hypothermia group and 37.2% in the control group (P<0.05). The mortality rates were 25.6% in the hypothermia group and 51.2% in the control group (P<0.05). The complications, including pulmonary infections, thrombocytopenia (platelet count < 100 x 10(9)/L), hemorrhage in the digestive tract, electrolyte disorders and renal malfunction, were managed without severe sequelae. CONCLUSIONS Mild hypothermia is a safe and effective therapeutic method, which can lower the extradural pressure, increase the serum superoxide dismutase and improve the neurological outcomes without severe complications in the patients with severe traumatic brain injury.

UI MeSH Term Description Entries
D007036 Hypothermia, Induced Abnormally low BODY TEMPERATURE that is intentionally induced in warm-blooded animals by artificial means. In humans, mild or moderate hypothermia has been used to reduce tissue damages, particularly after cardiac or spinal cord injuries and during subsequent surgeries. Induced Hypothermia,Mild Hypothermia, Induced,Moderate Hypothermia, Induced,Targeted Temperature Management,Therapeutic Hypothermia,Hypothermia, Therapeutic,Induced Mild Hypothermia,Induced Mild Hypothermias,Induced Moderate Hypothermia,Induced Moderate Hypothermias,Mild Hypothermias, Induced,Moderate Hypothermias, Induced,Targeted Temperature Managements
D007427 Intracranial Pressure Pressure within the cranial cavity. It is influenced by brain mass, the circulatory system, CSF dynamics, and skull rigidity. Intracerebral Pressure,Subarachnoid Pressure,Intracerebral Pressures,Intracranial Pressures,Pressure, Intracerebral,Pressure, Intracranial,Pressure, Subarachnoid,Pressures, Intracerebral,Pressures, Intracranial,Pressures, Subarachnoid,Subarachnoid Pressures
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D005260 Female Females
D006259 Craniocerebral Trauma Traumatic injuries involving the cranium and intracranial structures (i.e., BRAIN; CRANIAL NERVES; MENINGES; and other structures). Injuries may be classified by whether or not the skull is penetrated (i.e., penetrating vs. nonpenetrating) or whether there is an associated hemorrhage. Frontal Region Trauma,Head Injuries,Head Trauma,Occipital Region Trauma,Parietal Region Trauma,Temporal Region Trauma,Craniocerebral Injuries,Crushing Skull Injury,Forehead Trauma,Head Injuries, Multiple,Head Injury, Minor,Head Injury, Open,Head Injury, Superficial,Injuries, Craniocerebral,Injuries, Head,Multiple Head Injuries,Occipital Trauma,Open Head Injury,Superficial Head Injury,Trauma, Head,Craniocerebral Injury,Craniocerebral Traumas,Crushing Skull Injuries,Forehead Traumas,Frontal Region Traumas,Head Injuries, Minor,Head Injuries, Open,Head Injuries, Superficial,Head Injury,Head Injury, Multiple,Head Traumas,Injuries, Minor Head,Injuries, Multiple Head,Injuries, Open Head,Injuries, Superficial Head,Injury, Craniocerebral,Injury, Head,Injury, Minor Head,Injury, Multiple Head,Injury, Open Head,Injury, Superficial Head,Minor Head Injuries,Minor Head Injury,Multiple Head Injury,Occipital Region Traumas,Occipital Traumas,Open Head Injuries,Parietal Region Traumas,Region Trauma, Frontal,Region Trauma, Occipital,Region Trauma, Parietal,Region Traumas, Frontal,Region Traumas, Occipital,Region Traumas, Parietal,Skull Injuries, Crushing,Skull Injury, Crushing,Superficial Head Injuries,Temporal Region Traumas,Trauma, Craniocerebral,Trauma, Forehead,Trauma, Frontal Region,Trauma, Occipital,Trauma, Occipital Region,Trauma, Parietal Region,Trauma, Temporal Region,Traumas, Craniocerebral,Traumas, Forehead,Traumas, Frontal Region,Traumas, Head,Traumas, Occipital,Traumas, Occipital Region,Traumas, Parietal Region,Traumas, Temporal Region
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000704 Analysis of Variance A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable. ANOVA,Analysis, Variance,Variance Analysis,Analyses, Variance,Variance Analyses

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