Jan 1, 1977

Lithium in depression: a biochemical study

J R CoxH L Brand


Two groups of depressed subjects, one with a history of recurrent depression, the other with a history of persistent apathy, were given lithium carbonate 1,200 mg q.i.d. and supplementart potassium 1,200 mg t.d.s. for 1 week. Measurements were made before and after the lithium treatment of total body water (tritium space), extracellular fluid (sulphate space), total exchangeable sodium (Nae) and total exchangeable potassium (Ke) using sodium-24 and potassium-42 multiple isotope dilution techniques. Prior to treatment when compared with a group of normal subjects, both depressed groups showed changes in body fluid volumes and electrolyte levels. Total body water, intracellular fluid and intracellular potassium were lowered, while electrolyte levels. Total body water, intracellular fluid and intracellular potassium were lowered, while intracellular sodium was raised. After treatment with lithium the values in the apathetic group showed little change but the group with recurrent depression showed a significant increase in intracellular fluid (p less than 0.025), Ke (p less than 0.001), intracellular potassium (p less than 0.025) and a significant decrease in Nae (p less than 0.05). There was a marked increase in mood in the group ...Continue Reading

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Mentioned in this Paper

Depressed - Symptom
Lithium Measurement
Intracellular Fluid
Extracellular Fluid
Body Fluids
Indifferent Mood

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