Depression or asthenia related to metabolic disturbances in obese patients after intestinal bypass surgery

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Abstract
Psychological and biological variables were compared in 43 obese patients after intestinal bypass surgery. The difficulties in expressing the psychological variables quantitatively are discussed on the basis of transferability. Using an expanded version of the Beck Depression Inventory and the Marke-Nyman Temperament Scale, it was demonstrated that items concerning asthenia had a score distribution indicating bimodality. The asthenic group of patients (19) when compared with the non-asthenic patients (24) showed metabolic deficiencies related to to the vitamin D complex with no response to oral vitamin D3 administration measured by plasma levels of 25-hydroxyvitamin D3. The lack of response was associated with low Ca excretion in the urine, higher plasma alkaline phosphatase and a tendency to higher blood levels of parathyroid hormone.

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