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Biomedical subjects

G Rehkemper

Publications and source records attributed to G Rehkemper.

3 recordsLinked to original sources

Intrahepatic portal-hepatic venous anastomosis: a portal-systemic shunt with neurological repercussions.

Intrahepatic shunts are rarely diagnosed as a cause of neurocognitive abnormality. A complaint of fatigue led to the diagnosis of a right portal vein-hepatic vein aneurysmal communication in a 23-yr-old, otherwise healthy woman. Neuropsychological testing, imaging, and MR spectroscopy revealed changes similar to those described in patients with cirrhosis and subclinical hepatic encephalopathy. T1-weighted MRI showed a hyperintense globus pallidus, a feature seen in subjects with and without portal-encephalopathy. Portal-systemic shunting in the absence of parenchymal liver disease reproduces neurological features described in cirrhosis.

Adult↗

Learning and forgetting in schizophrenia.

Recent studies of patients with schizophrenia have consistently demonstrated marked deficits on measures of initial learning. However, contradictory results have been reported concerning retention and forgetting. The present study examined the level of initial and delayed recall of stories and visual figures in a group of 76 patients with schizophrenia and 51 normal controls. Schizophrenia patients demonstrated marked impairments in initial and delayed recall as well as significantly worse percentage retention scores. However, schizophrenia patients and healthy controls individually matched on level of initial recall had nearly identical delayed recall performance. The results suggest a primary deficit in the initial acquisition of information rather than an accelerated rate of forgetting in schizophrenia.

Adult↗

The Activities of Daily Living Questionnaire: a validation study in patients with dementia.

This study describes the development and validation of the Activities of Daily Living Questionnaire (ADLQ), an informant-based assessment of functional abilities, in patients with probable Alzheimer disease and other forms of dementia. The ADLQ measures functioning in six areas: self-care, household care, employment and recreation, shopping and money, travel, and communication. The ADLQ was administered to 140 caregivers followed longitudinally in the Northwestern Alzheimer's Disease Center. In a subset of 28 participants, the total ADLQ score and each of the subscales were found to be highly reproducible, with average concordance coefficients of 0.86. Concurrent validity was established by comparing the ADLQ with the Record of Independent Living, a previously validated measure of level of dependency in daily living activities. The ADLQ was also compared with other measures of dementia severity on the initial and annual follow-up visits and was found to be significantly and negatively correlated with the Mini-Mental State Examination and positively correlated with the Clinical Dementia Rating Scale. The ADLQ has high test-retest and concurrent validity and is consistent with other measures of temporal decline in patients with probable Alzheimer disease and other forms of dementia.

Activities of Daily Living↗