Abstract
Maintenance electroconvulsive therapy (M-ECT) is a treatment indicated for the treatment and prevention of recurrent depression in patients who either do not respond or do not tolerate psychotropic medication. We evaluated, retrospectively, clinical response to a 6-month minimum course of M-ECT in 25 patients with a diagnosis of bipolar disorder or schizoaffective disorder according to DSM IV-TR criterion. Our study demonstrated a significant improvement of Global Assessment of functioning (GAF) scores after a six month minimum course of M-ECT (34.8 ± 12.6 vs 65.6 ± 10.8; P<0.05) as well as Brief Psychiatric Rating Scale scores (BPRS): 79.3 ± 12.4 vs 43.4 ± 10.2; P<0.05). We observed a slight increase of Mini Mental State Examination (MMSE) scores after M-ECT; nonetheless, it was not statistically significant (24.2 ± 2.4 vs 26.2 ± 2.4; P=0.2). Regarding the mean duration of hospitalizations, we showed a statistically significant decrease in the median number of days of hospitalization (72 [59-93.50] days before M-ECT vs 43 [25-76] days since the first M-ECT; P=0.017). Maintenance ECT allowed a significant improvement in psychiatric symptoms and global functioning of the patients included in this study, as well as a decrease in the number of days of hospitalization. However, our pattern is limited because of its small size; so, further prospective studies in this field, including larger population is highly recommended.
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