IRCT201110261959N5 IRCT 2012-01-19 Mental Health Research Center Treatment follow up of severe and chronic Mentally ill patients Survey of efficacy and effectiveness of after discharge services and severe and chronic patients phone call follow up performed by the nursing staff 2007-12-01 anticipated 180 Complete https://irct.ir/trial/1560 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Health service research. N/A Condition 1: schizophrenia. Condition 2: schizoaffective disorder. Condition 3: bipolar affective disorders. Intervention 1: Intervention groups,calling case managers,include nurses and phone following.The participants recieve home-visit by a case-manager monthly for 12 consecutive months.The first group include nurses.They supervise the patient's drug treatment according to the patient's psychiatrist prescription,train the patient and her/his caregivers according to 12-month topics, report the patients mental status/drug side effects to the psychiatrist.In the second group, by having a phone call, patient have been recalled for their next visit in the clinic.The control group is the third group that receives the treatment facilities which are available "as usual services" from society.they are contacted by telephone each 3-month to complete the cost questionnaire. Intervention 2: In the control group no intervention will be provided.They are contacted by telephone each 3-month to complete the cost questionnaire and asking probability of addmition at 3-month ago.The patients receives the treatment facilities which are available"as usual services" from society.