The European Portuguese Version of the Brief Negative Symptom Scale.

Negative symptoms reflect a currently much-untreated loss of normal functioning and are frequently found in psychotic disorders. We present the first translation of the Brief Negative Symptom Scale (BNSS) to European Portuguese and evaluate its validity in a sample of Portuguese male patients with a psychotic spectrum disorder. The Portuguese BNSS showed excellent internal consistency, high convergent validity (i.

Lithium Intoxication after Bariatric Surgery: A Case Report.

Bariatric surgery is a therapeutic option to treat obesity in (carefully selected) patients with psychiatric disorders. About half of the patients referred for bariatric surgery have a diagnosis of (at least one) mental disorder and most of them are treated with psychotropic drugs. This procedure may modify the bioavailability of drugs and lithium is no exception.