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Lithium treatment in affective disorders.

A K Tandon¹, R Asare, V C Saxena

¹Lecturer in Psychiatry, M.L.N. Medical College, Allahabad, U. P.

Indian Journal of Psychiatry

|November 8, 2011

Summary

Lithium treatment showed better efficacy in bipolar disorder patients than unipolar patients. Longer disease duration and family history of affective illness also predicted a better response to lithium therapy.

Area of Science:

Psychiatry
Pharmacology
Clinical Medicine

Background:

Manic episodes are a core feature of affective illnesses, including unipolar and bipolar disorders.
Lithium carbonate is a well-established mood stabilizer for treating manic episodes.
Predictors of lithium treatment response remain an area of clinical interest.

Purpose of the Study:

To evaluate the efficacy of oral lithium in patients experiencing manic episodes.
To identify patient characteristics associated with a better response to lithium therapy.
To compare lithium's effectiveness in unipolar versus bipolar affective illness.

Main Methods:

Fifty patients diagnosed with unipolar or bipolar affective illness were enrolled.
Patients received oral lithium carbonate at daily doses ranging from 600 to 1500 mg.

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Therapeutic serum lithium levels were maintained between 0.49 and 1.23 mEq/L.

Main Results:

A significantly better therapeutic response to lithium was observed in patients with bipolar affective illness compared to those with unipolar affective illness.
Patients with a longer duration of illness demonstrated a more favorable response to lithium.
A positive family history of affective illness was associated with an improved response to lithium treatment.
No significant relationship was found between therapeutic effect and patient age or sex.

Conclusions:

Lithium therapy is effective for managing manic episodes, with greater efficacy noted in bipolar disorder.
Disease duration and a positive family history are important indicators for predicting lithium treatment success.
Age and sex do not appear to influence the therapeutic outcomes of lithium in manic patients.