Management of Psychosis in Parkinson’s Disease: Emphasizing Clinical Subtypes and Pathophysiological Mechanisms of the Condition

Table 7

Clinical evaluation with scales before and after the sessions of electroconvulsive therapy (ECT).

Scales	Before ECT (mean ± SD)	After ECT (mean ± SD)
UPDRS III ()	45.2 ± 14.1	27.6 ± 11.9	<0.001
UPDRS IV ()	7 ± 3.1	2.7 ± 1.1	<0.001
HY ()	3.2 ± 0.6	2.1 ± 0.5	<0.001
MMSE ()	26.5 ± 3.9	26.3 ± 4.2	0.79
CGI ()	4.7 ± 0.8	2.9 ± 1	<0.001
BPRS ()	18.4 ± 8.6	9.6 ± 5.7	<0.001
HDRS ()	21.1 ± 2.2	10.5 ± 3	<0.001

ECT: electroconvulsive therapy; SD: standard deviation; UPDRS: Unified Parkinson’s Disease Rating Scale; HY: Hoehn and Yahr; MMSE: Mini Mental Status Examination; CGI: clinical global impression; BPRS: Brief Psychiatric Rating Scale; HDRS: Hamilton Depression Rating Scale; reference: Calderón-Fajardo et al., 2015 [137].