• Helena Samuelson, Michael Nekludov, and Maria Levander.
• Department of Rehabilitation Medicine Stockholm, Danderyds University Hospital, Stockholm, Sweden. helena.samuelson@ds.se
• J Int Neuropsychol Soc. 2008 Jul 1;14(4):660-6.

AbstractTwo men, 56 and 33 years old, (case 1 and case 2) were examined neuropsychologically after successful resuscitation from circulatory arrest following extreme accidental hypothermia and near drowning. After submersion in ice water for at least 20 minutes they received CPR for 45 to 60 minutes. Body-core temperature at start of CPB was 24 degrees C and 22 degrees C, respectively. A neuropsychological examination was performed within two months after the accident and 1 year later. An additional follow-up interview was made 3 years after the accidents. Both had severe problems with memory, visuospatial performance, executive function, and verbal fluency. The follow-up demonstrated improvement in the visuospatial test in both and in the verbal learning, recall, and logical reasoning tests in case 2. Both still had problems with executive function, and case 2 also in verbal fluency. Case 1 also had problems with flexibility, planning and abstract ability. Despite the protective effects of hypothermia and gradual improvement of symptoms over time, some of the deficits were permanent. A thorough neuropsychological examination of patients suffered from anoxia is advisable, because gross neurological examination and MRI scans may not always reveal underlying brain dysfunction.

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