1
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Hermesh H, Schapir L, Marom S, Skopski R, Barnea E, Weizman A, Winocur E. Bruxism and oral parafunctional hyperactivity in social phobia outpatients. J Oral Rehabil 2014; 42:90-7. [DOI: 10.1111/joor.12235] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/30/2014] [Indexed: 11/28/2022]
Affiliation(s)
- H. Hermesh
- Geha Mental Health Center; Petah Tikva Israel
- Sackler Faculty of Medicine; Tel Aviv University; Tel Aviv Israel
| | - L. Schapir
- Geha Mental Health Center; Petah Tikva Israel
- Sackler Faculty of Medicine; Tel Aviv University; Tel Aviv Israel
| | - S. Marom
- Geha Mental Health Center; Petah Tikva Israel
| | - R. Skopski
- Department of Oral Rehabilitation; The Maurice and Gabriela Goldschleger School of Dental Medicine; Tel Aviv University; Tel Aviv Israel
| | - E. Barnea
- Geha Mental Health Center; Petah Tikva Israel
| | - A. Weizman
- Geha Mental Health Center; Petah Tikva Israel
- Sackler Faculty of Medicine; Tel Aviv University; Tel Aviv Israel
- Felsenstein Medical Research Center; Rabin Medical Center; Sackler Faculty of Medicine; Tel Aviv University; Petah Tikva Israel
| | - E. Winocur
- Department of Oral Rehabilitation; The Maurice and Gabriela Goldschleger School of Dental Medicine; Tel Aviv University; Tel Aviv Israel
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2
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Schnell I, Potchter O, Yaakov Y, Epstein Y, Brener S, Hermesh H. Urban daily life routines and human exposure to environmental discomfort. Environ Monit Assess 2012; 184:4575-4590. [PMID: 21826420 DOI: 10.1007/s10661-011-2286-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2010] [Accepted: 07/27/2011] [Indexed: 05/31/2023]
Abstract
This study suggests a shift in focus from studying environmental discomfort in urban strategic stations, from which average results for the city or specific results for selected sites are deduced, and from measuring environmental conditions in fixed monitoring stations to a study in which we monitor, with mobile portable sensors, the exposure of people to environmental sources of discomfort while performing their daily life activities. Significant variations in sense of discomfort were measured in this study, and almost half of this variability was found to be explained while four independent environmental variables were considered: air quality (concentrations of CO), noise level, climatic variables (thermal load), and social loads. The study conducted in the city of Tel Aviv, which suffers from hot, humid summers and cool winters, and noise levels that reach the average levels of 85 dB, and relatively lower levels of exposure to the other potential stressors. These levels of combined exposures result in moderate levels of discomfort for young, healthy people once they experience the more stressing environments in the city. It is shown also that noise from other people is the most salient source of discomfort in Tel Aviv. Levels of discomfort accumulate during the working hours, either due to the impact of social loads or noise, but the subjects showed good coping abilities that enabled them to recover in late afternoons. It seems that thermal load does not have immediate impact, but rather cumulative ones, mainly during transitional seasons when subjects are less adaptive to extreme changes in weather.
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Affiliation(s)
- I Schnell
- Geography and Human Environment Department, Tel Aviv University, Tel Aviv, Israel.
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3
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Abramovitch A, Dar R, Schweiger A, Hermesh H. Neuropsychological Impairments and Their Association with Obsessive-Compulsive Symptom Severity in Obsessive-Compulsive Disorder. Arch Clin Neuropsychol 2011; 26:364-76. [DOI: 10.1093/arclin/acr022] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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4
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Abstract
OBJECTIVE To determine whether in addition to repetitiveness, the motor rituals of patients with obsessive-compulsive disorder (OCD) involve reduced functionality due to numerous and measurable acts that are irrelevant and unnecessary for task completion. METHOD Comparing motor rituals of OCD patients with behavior of non-patient control individuals who were instructed to perform the same motor task. RESULTS Obsessive-compulsive disorder behavior comprises abundant acts that were not performed by the controls. These acts seem unnecessary or even irrelevant for the task that the patients were performing, and therefore are termed 'non-functional'. Non-functional acts comprise some 60% of OCD motor behavior. Moreover, OCD behavior consists of short chains of functional acts bounded by long chains of non-functional acts. CONCLUSION The abundance of irrelevant or unnecessary acts in OCD motor rituals represents reduced functionality in terms of task completion, typifying OCD rituals as pessimal behavior (antonym of optimal behavior).
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Affiliation(s)
- R Zor
- Department of Zoology, Tel-Aviv University, Ramat-Aviv, Israel
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5
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Zalsman G, Frisch A, Lewis R, Michaelovsky E, Hermesh H, Sher L, Nahshoni E, Wolovik L, Tyano S, Apter A, Weizman R, Weizman A. DRD4 receptor gene exon III polymorphism in inpatient suicidal adolescents. J Neural Transm (Vienna) 2004; 111:1593-603. [PMID: 15565493 DOI: 10.1007/s00702-004-0182-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2004] [Accepted: 05/19/2004] [Indexed: 11/30/2022]
Abstract
Some studies have suggested possible association of the dopamine receptor subtype 4 (DRD4) gene exon III 48 bp repeat polymorphism with novelty seeking behavior. As suicidal behavior in adolescents is linked to risk taking behavior, we evaluated the association of suicidality with DRD4 polymorphism in Israeli inpatient suicidal adolescents. Sixty-nine inpatient adolescents who recently attempted suicide were assessed by structured interview and rating scales for detailed clinical history, diagnoses, suicide intent and risk, impulsivity, violence, and depression. The frequency of DRD4 alleles was compared between the suicidal inpatients and 167 healthy control subjects. No significant association between the DRD4 polymorphism and suicidal behavior was found. Analysis of the suicide-related measures demonstrated a significant difference in depression severity between suicidal inpatients homozygote and heterozygote for the DRD4 alleles (p=0.003). The relevance of this finding to increased depression severity in suicidal adolescents, if replicated, is as yet unclear.
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Affiliation(s)
- G Zalsman
- Geha Mental Health Center, Petach Tikva, Tel Aviv, Israel.
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6
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Abstract
The present article examines the utility of the MMPI-2 for the subtyping of social phobia (SP). Cluster analysis was conducted on the MMPI-2 profiles of 109 patients with SP. Clusters were compared on demographic and clinical variables prior to treatment, as well as following completion of cognitive-behavioral group therapy (CBGT). Three distinct clusters emerged. The first is characterized by an absence of significant scale elevations and appears to be consistent with the reported "circumscribed" subtype of SP. It is associated with a significantly later age at onset of SP, a higher proportion of married individuals, and lower scores on pretreatment clinical variables. Significant elevations on Scales 2 (Depression) and 7 (Psychasthenia) and moderately high scores on pretreatment clinical variables characterize the second cluster. The third cluster is characterized by significantly high elevations on Scales 8, 7, and 2, and the highest scores on pretreatment clinical variables. Patients from all three groups improved significantly following a course of CBGT.
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Affiliation(s)
- J B Levin
- Anxiety Disorders and Behavior Therapy Unit, Geha Psychiatric Hospital and Sackler Family of Medicine, Tel Aviv University, Petah Tikva, Israel.
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7
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Fischel T, Hermesh H, Aizenberg D, Zemishlany Z, Munitz H, Benjamini Y, Weizman A. Cyproheptadine versus propranolol for the treatment of acute neuroleptic-induced akathisia: a comparative double-blind study. J Clin Psychopharmacol 2001; 21:612-5. [PMID: 11763011 DOI: 10.1097/00004714-200112000-00013] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The purpose of this study was to investigate the efficacy of cyproheptadine, an antiserotonergic agent, in the treatment of neuroleptic-induced akathisia (NIA), as compared with propranolol, the current gold standard. In a double-blind trial, 30 patients with schizophrenia and NIA received either cyproheptadine 16 mg/day (N = 18) or propranolol 80 mg/day (N = 12) for 4 days, followed by 3 days without any anti-NIA treatment. The Barnes Akahisia Scale, Simpson-Angus Extrapyramidal Effects Rating Scale, and Brief Psychiatric Rating Scale were used to assess the severity of NIA, parkinsonism, and psychosis, respectively. In both groups, the severity of NIA decreased significantly over time (cyproheptadine, -46%; propranolol, -42%), with no significant intergroup difference. The NIA symptoms worsened significantly when cyproheptadine and propranolol were discontinued. We conclude that cyproheptadine 16 mg/day is as effective as propranolol for the treatment of acute NIA. The antiakathisic effect of cyproheptadine may be mostly attributable to its serotonin antagonistic activity.
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Affiliation(s)
- T Fischel
- Geha Psychiatric Hospital and Felsenstein Medical Research Center, Rabin Medical Center, Petah Tiqva, Israel
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8
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Abstract
A portion of autistic patients exhibit compulsive-like behaviours. In addition it has been suggested that serotonin plays a major role in both obsessive compulsive disorder (OCD) and autistic disorder. Other neurohumors such as endogenous opioids and oxytocin have also been implicated in the two disorders. There is also some pharmacological overlap between the two disorders, as well as some similar neuroimaging studies. These similarities and overlaps have led us to propose a putative OCD-autistic disorder, which should be studied in greater detail.
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Affiliation(s)
- R Gross-Isseroff
- Outpatient Department, Geha Psychiatric Hospital, P.O.B. 102, Petach Tikva 49100, Israel.
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9
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Shiloh R, Weizman A, Epstein Y, Rosenberg SL, Valevski A, Dorfman-Etrog P, Wiezer N, Katz N, Munitz H, Hermesh H. Abnormal thermoregulation in drug-free male schizophrenia patients. Eur Neuropsychopharmacol 2001; 11:285-8. [PMID: 11532382 DOI: 10.1016/s0924-977x(01)00096-7] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Schizophrenia patients may develop various thermoregulatory disturbances. We hypothesized that a standardized exercise-heat tolerance test [two 50-min bouts of walking a motor-driven treadmill at 40 degrees C (relative humidity=40%)] would reveal abnormal thermoregulation in drug-free schizophrenia patients. Six drug-free schizophrenia outpatients and seven healthy comparison subjects participated in this study. The schizophrenia patients exhibited significantly higher baseline and exertion-related rectal temperature. The relevance of these findings to the pathophysiology of schizophrenia-related thermoregulatory disorders is as yet unclear.
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Affiliation(s)
- R Shiloh
- Geha Psychiatric Hospital, Felsenstein Medical Research Center, Beilinson Campus, Petah Tiqva, Israel
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10
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Abstract
Trichotillomania is not rare in adolescence. Psychotherapy is often ineffective, and cognitive behavioral therapy in combination with serotonin-specific reuptake inhibitors seems to be the treatment of choice. Some cases are resistant to all therapy. This paper reports on three adolescents with pure trichotillomania who responded to the imaginative hypnotherapy technique with Ericksonian suggestions. The patients described their hair as weak and vulnerable and needy of protection. In therapy, the patient was assigned the role of "patron of the hair" thereby giving him/her control of the situation. Hair pulling was significantly reduced, and the improvement was sustained throughout the 6-month follow-up. These cases suggest that imaginative techniques may be effective in adolescents with trichotillomania. Further controlled studies in adolescent population are needed to confirm this assumption.
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Affiliation(s)
- G Zalsman
- Geha Psychiatric Hospital, Tel Aviv University.
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11
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Abstract
Sleep problems, day somnolence, and fatigue as a result of psychotropic drugs are very common. Psychiatrists usually consider these effects a result of insomnia and treat them by prescribing sleeping pills or other benzodiazepine agents. We describe here 10 cases of circadian rhythm sleep disorders (CRSD)--and not merely insomnia--as a possible side effect of fluvoxamine (FVA). Two other serotonin reuptake inhibitors, fluoxetine and clomipramine, did not induce CRSD in any of these 10 patients. We speculate that FVA-induced CRSD is caused by the effect of FVA on serotonin and melatonin levels in the central nervous system. CRSD as a side effect of FVA can be treated by replacing the suspected FVA or adding melatonin to a beneficial FVA treatment. Thus, it is important to be aware of possible iatrogenic CRSD in order to treat appropriately. Prospective studies are needed to confirm our observation and to study the influence of other psychotropic drugs on sleep-wake schedule.
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Affiliation(s)
- H Hermesh
- Outpatients Department and the Anxiety Disorders and Behaviour Therapy Unit, the Geha Mental Health Center, Rabin Campus, Petach-Tiqva, Israel
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12
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Hermesh H, Manor I, Shiloh R, Weizman R, Munitz H. Absence of myoglobinuria in acute psychotic patients with marked elevation in serum creatine phosphokinase level. Eur Neuropsychopharmacol 2001; 11:111-5. [PMID: 11313156 DOI: 10.1016/s0924-977x(00)00139-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Elevated levels of serum creatine phosphokinase, muscular type (CK(MM)) are caused primarily by diseased muscle fiber. Acute psychoses are often associated with a marked increase in serum CK(MM) levels, though the reason remains obscure. Since striated muscle damage is also associated with pigmenturia and myoglobinuria, we sought to determine whether the markedly high serum CK level of acute psychosis reflects skeletal muscle damage by evaluating urinary myoglobin in affected patients. Baseline serum CK was measured on admission in 713 consecutive acute psychotic inpatients (BPRS> or =40). Those showing a serum CK levels above 1000 IU/l on the first 2 days of hospitalization underwent urine collection for myoglobin testing. Patients with physical trauma or medical conditions known to cause CKemia were excluded. Twenty-five patients were eligible for the study. In no case did myoglobinuria or pigmenturia accompany the marked CKemia. There is an unexpected dissociation between the robust increase in the serum CK(MM) levels and the absence of myoglobinuria in acute psychosis. Our negative finding may indicate that the serum CK threshold for myoglobinuria is very high (above 10000 IU/l). Alternatively, psychosis-associated CKemia may be related to an unknown, nontraumatic, pathophysiological mechanism(s).
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Affiliation(s)
- H Hermesh
- Geha Psychiatric Hospital, Rabin Medical Center, Beilinson Campus, P.O. Box 102, 49100, Petach Tiqva, Israel.
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13
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Abstract
Clozapine is known to be beneficial for the treatment of dopamine agonist-induced psychotic states in patients with Parkinson's disease (PD). Many reports have suggested that it may also be efficacious for the treatment of parkinsonian tremor. We describe a patient with schizophrenia in whom early-onset PD appeared after treatment with antipsychotic drugs. When the parkinsonian symptoms proved resistant to anticholinergic agents, we introduced a trial with up to 50 mg clozapine daily, which yielded a prompt and dramatic response. Thereafter, the parkinsonian symptoms reappeared each time the patient discontinued clozapine and rapidly disappeared on its repeat initiation. There was also a marked improvement in his psychotic and depressive symptoms. This report suggests that some patients with concomitant schizophrenia and PD-a difficult treatment challenge-may benefit from clozapine treatment alone for both disorders.
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Affiliation(s)
- G Orr
- Geha Psychiatric Hospital, Rabin Medical Center, Beilinson Campus, Petah Tikva, Israel
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14
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Abstract
The study examined whether obsessive-compulsive (OC) checkers have reduced confidence in their knowledge. OC checkers were compared with panic disorder (PD) patients and nonpatient controls using a calibration-of-knowledge procedure. Participants completed a general knowledge questionnaire, rated their confidence in each answer, and estimated the total number of correct answers. These responses were converted to 2 measures of confidence relative to performance--over/underconfidence and over/underestimation. OC checkers had lower scores than nonpatients did on both measures, whereas the PD patients did not differ from either group. For the OC checkers, relative confidence was inversely related to the severity of obsessions. The authors speculate that confidence may depend on a confirmation bias in testing hypotheses and that the reduced confidence in OC checkers may reflect a disconfirmation bias in this population.
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Affiliation(s)
- R Dar
- Department of Psychology, Tel Aviv University, Tel Aviv 69978, Israel.
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15
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Shiloh R, Hermesh H, Weizer N, Dorfman-Etrog P, Weizman A, Munitz H. Acute antipsychotic drug administration lowers body temperature in drug-free male schizophrenic patients. Eur Neuropsychopharmacol 2000; 10:443-5. [PMID: 11115733 DOI: 10.1016/s0924-977x(00)00106-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We examined, in a controlled design, potential alterations in body temperature of male schizophrenic patients following acute antipsychotic drug (APD) administration. Fourteen drug-free (study group) and seven schizophrenic patients maintained on APDs (comparison group) initiated or received higher dose of their APD, respectively, for 27 days. Initial body temperature was 0.36 degrees C higher in the study group (P=0.01) and decreased within 24 h to values comparable to that of the comparison group (all within normal range).
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Affiliation(s)
- R Shiloh
- Geha Psychiatric Hospital, Felsenstein Medical Research Center, Rabin Medical Center, Beilinson Campus, Petah Tikva, Israel
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16
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Abstract
The study examined whether obsessive-compulsive (OC) checkers have reduced confidence in their knowledge. OC checkers were compared with panic disorder (PD) patients and nonpatient controls using a calibration-of-knowledge procedure. Participants completed a general knowledge questionnaire, rated their confidence in each answer, and estimated the total number of correct answers. These responses were converted to 2 measures of confidence relative to performance--over/underconfidence and over/underestimation. OC checkers had lower scores than nonpatients did on both measures, whereas the PD patients did not differ from either group. For the OC checkers, relative confidence was inversely related to the severity of obsessions. The authors speculate that confidence may depend on a confirmation bias in testing hypotheses and that the reduced confidence in OC checkers may reflect a disconfirmation bias in this population.
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Affiliation(s)
- R Dar
- Department of Psychology, Tel Aviv University, Tel Aviv 69978, Israel.
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17
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Hirsch D, Orr G, Kantarovich V, Hermesh H, Stern E, Blum I. Cushing's syndrome presenting as a schizophrenia-like psychotic state. Isr J Psychiatry Relat Sci 2000; 37:46-50. [PMID: 10857272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Neuropsychiatric abnormalities, of which depression is the most common, are frequently associated with Cushing's syndrome. The following paper describes a 58-year-old woman in whom a prolonged psychotic state--schizophrenia-like--was the presenting sign of Cushing's syndrome. The psychiatric symptoms disappeared shortly after the cortisol level has been normalized. Due to the variety of symptoms, both organic and psychiatric, which may occur with Cushing's syndrome, a high suspicion index is advisable. Suspect clinical findings should always prompt the appropriate endocrine work-up.
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Affiliation(s)
- D Hirsch
- Endocrinology Institute, Rabin Medical Center (Beilinson Campus), Petah Tikva, Israel.
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18
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Abstract
OBJECTIVE Schizophrenia may be associated with hyperthermic syndromes such as febrile catatonia, neuroleptic malignant syndrome, and heatstroke. The authors hypothesized that an exercise-heat tolerance test would disclose abnormal thermoregulation in schizophrenic patients. METHOD Seven male schizophrenic outpatients in remission maintained on depot antipsychotic treatment and eight healthy comparison subjects completed a heat tolerance test that consisted of two 50-minute bouts of walking a motor-driven treadmill at 40xC (relative humidity=40%). RESULTS A significantly higher rise in rectal and skin temperatures was observed in the patient group. No differences in heart rate, blood pressure, or perspiration were detected. CONCLUSIONS Schizophrenic patients maintained on antipsychotic drugs exhibit impaired heat tolerance. Possible explanations are a reduced ability to convey heat from the body's core to the periphery with or without excessive heat production. The hyperthermic response to the heat tolerance test may reflect a dysfunction associated with schizophrenia, a neuroleptic-induced side effect, or both.
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Affiliation(s)
- H Hermesh
- Geha Psychiatric Hospital, Petah Tiqva, Israel.
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19
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Poyurovsky M, Dorfman-Etrog P, Hermesh H, Munitz H, Tollefson GD, Weizman A. Beneficial effect of olanzapine in schizophrenic patients with obsessive-compulsive symptoms. Int Clin Psychopharmacol 2000; 15:169-73. [PMID: 10870875 DOI: 10.1097/00004850-200015030-00006] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Some studies suggest that obsessive-compulsive symptoms may be common (7.8-46%) in schizophrenic patients and seem to be poorly responsive to drug therapy. Conventional neuroleptics are of limited value, but adjunctive anti-obsessive agents (clomipramine, fluvoxamine) may be an option. Although novel atypical antipsychotics (clozapine, risperidone) reportedly aggravate the obsessive-compulsive symptoms, a recent trial has shown that olanzapine did not induce new-onset obsessive-compulsive symptoms in schizophrenic patients. We report our experience with three schizophrenic patients with obsessive-compulsive symptoms who were unsuccessfully treated with various conventional neuroleptics in combination with anti-obsessive agents and subsequently showed resistance or intolerance to clozapine. All of them were switched to olanzapine (10-20 mg/ day). All patients demonstrated a significant improvement in both schizophrenic and obsessive-compulsive symptoms as measured by the Brief Psychiatric Rating Scale (BPRS) and the Yale-Brown Obsessive Compulsive Scale (Y-BOCS). Within 5-8 weeks of initiation of olanzapine, the BPRS scores of the three patient decreased by 53%, 51% and 48%, and the Y-BOCS scores by 68%, 73% and 85%. Olanzapine was well tolerated. These preliminary results suggest that olanzapine may be a therapeutic option in schizophrenic patients with obsessive-compulsive symptoms.
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Affiliation(s)
- M Poyurovsky
- Research Unit, Tirat Carmel Mental Health Center, Faculty of Medicine, Technion, Israel Institute of Technology, Haifa
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20
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Frisch A, Michaelovsky E, Rockah R, Amir I, Hermesh H, Laor N, Fuchs C, Zohar J, Lerer B, Buniak SF, Landa S, Poyurovsky M, Shapira B, Weizman R. Association between obsessive-compulsive disorder and polymorphisms of genes encoding components of the serotonergic and dopaminergic pathways. Eur Neuropsychopharmacol 2000; 10:205-9. [PMID: 10793323 DOI: 10.1016/s0924-977x(00)00071-7] [Citation(s) in RCA: 98] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Obsessive-compulsive disorder (OCD) is a severe and disabling anxiety disorder with a marked genetic contribution. Pharmacological data indicated involvement of the serotonergic and dopaminergic systems. We studied the association between OCD and six candidate genes encoding important components of the serotonergic and dopaminergic pathways in 75 biologically unrelated patients and 172 ethnically matched controls (Ashkenazi and non-Ashkenazi Jews). Polymorphisms in the following genes were studied: tryptophan hydroxylase (TPH), serotonin 2A receptor (HTR2A), serotonin 2C receptor (HTR2C), serotonin transporter (5-HTT), dopamine receptor D4 (DRD4), and dopamine transporter (DAT1). The genotypic and allelic distribution of all polymorphisms tested did not show statistically significant differences between patients and controls. Our results suggest that these polymorphisms do not play a major role in the genetic predisposition to OCD, although a minor contribution cannot be ruled out.
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Affiliation(s)
- A Frisch
- Felsenstein Medical Research Center, Rabin Medical Center, Petah Tikva, Israel
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21
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Abstract
The present review addresses the question of sexual dimorphism in obsessive-compulsive disorder. It enumerates examples that could be interpreted to suggest the existence of such dimorphism from the fields of epidemiology, phenomenology, pharmacology, neuropsychology, neuroimaging and genetics. We conclude that data, at this point, are too scarce to warrant a firm conclusion. On the contrary it seems that there are enough indications in the literature that hint at the possibility of sexual dimorphism to stimulate further research in the field.
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Affiliation(s)
- J Zohar
- Division of Psychiatry, The Chaim Sheba Medical Center, Tel-Hashomer and Faculty of Medicine, Tel-Aviv University, Israel
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22
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Dorfman-Etrog P, Hermesh H, Prilipko L, Weizman A, Munitz H. The effect of vitamin E addition to acute neuroleptic treatment on the emergence of extrapyramidal side effects in schizophrenic patients: an open label study. Eur Neuropsychopharmacol 1999; 9:475-7. [PMID: 10625114 DOI: 10.1016/s0924-977x(99)00015-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The anti-oxidant vitamin E has been reported to be effective in the treatment of tardive dyskinesia. The present open label study examined the effect of supplemental therapy with vitamin E on acute extrapyramidal symptoms and cell enzymes in patients receiving neuroleptic drugs. Thirty-nine hospitalized schizophrenic patients were randomly assigned to two groups: group 1 (n = 20) was treated with neuroleptics, and group 2 (n = 19) with neuroleptics combined with a fixed dose of vitamin E (600 IU/day), administered for two weeks. All patients were assessed with the Simpson-Angus Rating Scale (Simpson and Angus, 1970) for neuroleptic induced Parkinsonism (NIP), Barnes' Akathisia Scale (Barnes, 1989), and Brief Psychiatric Rating Scale: laboratory parameters included serum creatine kinase (CK) activity, serum glutamate oxaloacetic transaminase (SGOT) and white blood cell count (WBC). The addition of vitamin E to neuroleptic agents was associated with a trend (p = 0.08) towards prevention of the emergence of NIP compared to neuroleptic treatment alone. Addition of vitamin E to neuroleptics may reduce the severity of acute NIP in schizophrenic patients.
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Affiliation(s)
- P Dorfman-Etrog
- Geha Psychiatric Hospital and Felsenstein Medical Research Center, Rabin Medical Center, Beilinson Campus, Petah Tiqva, Israel
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23
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Zohar J, Hermesh H, Weizman A, Voet H, Gross-Isseroff R. Orbitofrontal cortex dysfunction in obsessive-compulsive disorder? I. Alternation learning in obsessive-compulsive disorder: male-female comparisons. Eur Neuropsychopharmacol 1999; 9:407-13. [PMID: 10523047 DOI: 10.1016/s0924-977x(99)00019-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND We have previously reported a significant negative correlation between severity of symptoms and performance of an alternation learning task in female obsessive-compulsive disorder (OCD) patients. The present study was aimed at exploring this relationship between alternation learning and OCD symptom severity in male OCD patients. METHODS AND RESULTS Eighteen female obsessive-compulsive disorder patients and 14 male non-depressed, drug free, OCD patients participated in the study. Measures of dorsolateral prefrontal function (Wisconsin Card Sorting Test) and orbitofrontal cortex function (object alternation learning) showed no significant differences between the sexes. The relationship between orbitofrontal cortex function and severity of OC symptoms was significantly different between the sexes (z=2.44. P=0.007). While this correlation was negative in the females it was positive in the males. CONCLUSIONS These results may indicate sexual dimorphism in OCD.
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Affiliation(s)
- J Zohar
- Division of Psychiatry, The Chaim Sheba Medical Center, Tel-Hashomer and Faculty of Medicine, Tel-Aviv University, Israel
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24
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Hermesh H, Zohar J, Weizman A, Voet H, Gross-Isseroff R. Orbitofrontal cortex dysfunction in obsessive-compulsive disorder? II. Olfactory quality discrimination in obsessive-compulsive disorder. Eur Neuropsychopharmacol 1999; 9:415-20. [PMID: 10523048 DOI: 10.1016/s0924-977x(99)00018-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Olfactory quality discrimination is a putative marker of orbitofrontal cortex function in mammals. As this portion of the cerebral cortex was repeatedly implicated in the pathophysiology of obsessive-compulsive disorder (OCD) this study was designed in an attempt to quantify this behavioural function in OCD patients. METHODS AND RESULTS Olfactory quality discrimination was compared in OCD patients and healthy controls. Thirty two subjects participated in the study: 16 (13 women and 3 men) medication free OCD outpatients and 16 sex and age matched healthy controls. Olfactory tests consisted of determination of detection thresholds to isoamyl acetate, and a three way forced choice quality discrimination task, using isoamyl acetate, citral and eugenol as stimuli. No significant differences in sensitivity and performance of the quality discrimination task between the two groups were found. Within the OCD group the more severely affected patients (Y-BOCS>29) performed significantly better than the less severely affected (Y-BOCS<30) patients on the more difficult part of the quality discrimination task. Within this subgroup of patients the correlation between performance on the olfactory task and a previously reported alternation task tended to be negative as compared to a significantly positive correlation in the control group. CONCLUSIONS It seems that olfactory quality discrimination may prove to be a useful noninvasive marker of prefrontal cortex function in OCD. Furthermore, the organization of functional modules within the orbitofrontal cortex, rather than a simple dysfunction, may prove to characterize OCD.
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Affiliation(s)
- H Hermesh
- Anxiety Disorders and Behavior Therapy Unit, Geha Psychiatric Hospital, Petach Tikva and Faculty of Medicine, Tel-Aviv University, Israel
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25
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Alkan ML, Hermesh H, Atzmon B, Peri G, Schwartz E. [Severe psychiatric disorders during trips to the Far East]. Harefuah 1999; 136:940-2, 1002. [PMID: 10955154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/15/2023]
Abstract
8 cases of acute mental disorders among Israelis travelling in the Far East are presented. The most common symptoms were hallucinations, paranoid delusions, agitation and depression. The important precipitating factors were drug abuse, reaction to the foreign environment and malarial prophylaxis. Treatment included creating a nonhostile environment, the presence of a Hebrew-speaking physician, psychopharmacotherapy and prompt evacuation to Israel. Most patients improved markedly and returned to normal functioning.
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Affiliation(s)
- M L Alkan
- Institute of Infectious Diseases, Soroka Medical Center, Ben-Gurion University of the Negev, Beer Sheba
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26
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Manor I, Hermesh H, Weizman A, Munitz H. [Elevated serum levels of creatine kinase in acute psychotic patients]. Harefuah 1999; 136:639-41. [PMID: 10955077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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27
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Gothelf D, Frisch A, Munitz H, Rockah R, Laufer N, Mozes T, Hermesh H, Weizman A, Frydman M. Clinical characteristics of schizophrenia associated with velo-cardio-facial syndrome. Schizophr Res 1999; 35:105-12. [PMID: 9988847 DOI: 10.1016/s0920-9964(98)00114-5] [Citation(s) in RCA: 70] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Velo-cardio-facial syndrome (VCFS) is caused by a microdeletion in the long arm of chromosome 22 and is associated with an increased frequency of schizophrenia and bipolar mood disorder. The purpose of this study was to investigate the genetic, physical, developmental and psychiatric features of schizophrenic patients with VCFS microdeletion. It describes the clinical findings in four schizophrenic inpatients with the characteristic chromosomal deletion. The four patients displayed delayed motor development, language deficits, learning disabilities, mental retardation, early age of onset, chronic and disabling course of illness and poor response to classical neuroleptic drugs and electroconvulsive therapy. Two patients benefited from treatment with clozapine. We suggest that schizophrenic patients with a history of delayed motor development, early onset of the disorder, history of learning disability, mental retardation, congenital cardiac anomalies and/or hypernasal speech should be screened for the velo-cardio-facial syndrome deletion. The implications of this study for psychiatric phenotype, nosology, disease mechanism, and possible new treatments in the future are discussed.
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Affiliation(s)
- D Gothelf
- Geha Psychiatric Hospital, Petah Tiqwa, Israel.
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28
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Blumensohn R, Yoran-Hegesh R, Golubchik P, Mester R, Fluhr H, Hermesh H, Weizman A. Elevated serum creatine kinase activity in adolescent psychiatric inpatients on admission. Int Clin Psychopharmacol 1998; 13:269-72. [PMID: 9861577 DOI: 10.1097/00004850-199811000-00005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Studies in adults have indicated a significant relationship between high serum creatine kinase levels on admission and acute psychosis. However, data on children are sparse. The files of 183 hospitalized children and adolescents (93 boys, 90 girls) with severe psychiatric disorders were reviewed for serum creatine kinase activity on admission, psychomotor agitation, Clinical Global Impression Score, need for intramuscular injection, number of neuroleptic medications and presence of neuroleptic malignant syndrome. Serum creatine kinase levels > 201 IU/ml were considered abnormal. Boys had significantly higher creatine kinase activity than girls. Division of the cohort by diagnosis yielded significantly higher levels in those with schizophrenia, affective disorders and mental retardation. Higher levels were also associated with higher Clinical Global Impression score on admission, use of injections and physical restraint, and nonresponse to neuroleptic medication. There were no cases of neuroleptic malignant syndrome. This first large-scale investigation of serum creatine kinase activity in young psychiatric inpatients shows a significant association between high creatine kinase activity and acute psychosis, similar to that in adults. Furthermore, high creatine kinase levels on admission are predictive of the severity of the psychosis, but are not associated with neuroleptic malignant syndrome. Because psychotic adolescents with high admission creatine kinase levels tend to be nonresponders, clinicians should consider the early use of atypical antipsychotics in this subgroup.
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Affiliation(s)
- R Blumensohn
- Nes Ziona Psychiatric Hospital, Nes Ziona, Israel
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29
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Abstract
The bone age (BA), height and weight of 20 adolescents with schizophrenia and 21 matched adolescents with obsessive-compulsive disorder (COD) were measured. The BA of the schizophrenic patients was significantly higher than their chronological age (CA)(p < 0.05), while the OCD subjects' BA was non-significantly lower than their CA. In addition, the difference between CA and BA (delta ages) in the schizophrenic adolescents was significantly different from the delta ages of the OCD adolescents (p , 0.05). Gender did not significantly affect BA or delta ages. A positive correlation (r = 0.5, p < 0.01) was obtained between CA and delta ages in the schizophrenic patients but not in the OCD patients. Both groups were within the normal range of weight and height percentiles.
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Affiliation(s)
- N Katz
- Anxiety Disorders and Behavior Therapy Unit, Geha Psychiatric Hospital, Petah Tiqwa, Israel
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30
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Laufer N, Jecsmien P, Hermesh H, Maoz B, Munitz H. Application of models of working at the interface between primary care and mental health services in Israel. Isr J Psychiatry Relat Sci 1998; 35:120-7. [PMID: 9689778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Psychiatric morbidity is common in primary care, a large proportion being treated without specialist referral. A significant proportion may be undetected or inadequately treated. This article describes current models of mental health services (MHS) working at the interface between primary care and MHS with review of data regarding these models and discussion of the application of these models to the Israeli health system. The shifted out-patient model, primarily provided by psychiatrists independent of the Primary and Secondary Care Teams, would seem to increase access to psychiatric services, increase treated prevalence of the disorders and attract a similar population to hospital out-patient services. The psychiatric community liaison model aims to improve primary care practitioner detection and management skills, might reduce referrals to psychiatrists with similar patient outcome and enables treatment of patients unwilling to see a mental health professional (MHP). The attached MHP Model would allow access to a greater range of psychosocial interventions provided by a primary care team member. The community mental health team, currently a model not in practise in Israel, provides a single point of referral for multidisciplinary care but has shown varying patterns of integration and responsiveness to primary care. Other interfaces of collaboration such as Balint groups and education are also discussed.
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Affiliation(s)
- N Laufer
- Geha Psychiatric Hospital, Petah Tikva, Israel
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31
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Zalsman G, Hermesh H, Munitz H. Alprazolam withdrawal delirium: a case report. Clin Neuropharmacol 1998; 21:201-2. [PMID: 9617514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Benzodiazepine withdrawal delirium is thought to be uncommon. Only two clear reports of alprazolam withdrawal appear in the literature, but the use of this drug is expected to increase because of its recent approval for the treatment of panic disorder. We report on a patient with severe alprazolam withdrawal delirium that developed immediately after an accidental reduction of the dose. This case demonstrates importance of clinician awareness of the previous use of alprazolam in individual patients, especially in hospital settings where free patient use of drugs is prohibited.
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Affiliation(s)
- G Zalsman
- Geha Psychiatric Hospital, Petah Tikva, Israel
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32
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Abstract
BACKGROUND Elevated serum creatine phosphokinase (CPK)MM level is frequently found in acute psychosis. Theories relate this CPKemia to psychomotor agitation and medication. We hypothesized that psychosis-related CPKemia observed in individual patients is relatively consistent. METHODS Ninety psychotic patients were studied; 83% were schizophrenics (Brief Psychiatric Rating Scale scores > or = 40) whose serum CPKMM levels were recorded during two or more different acute psychoses. The serum CPKMM levels used were the maximal levels monitored during the beginning of each hospitalization. The last CPK measurement in a circumscribed period was defined as the index serum CPK level (IndCPK). The mean of all other individual maximal CPK measurements during other psychotic episodes was defined as the average CPK (AvgCPK). RESULTS Multiple linear regression analysis showed a significant correlation of natural logarithm (Ln) of (IndCPK with Ln(AvgCPK), as well as with gender (coefficient = .65 and .63, p < .0001 and p < .01, respectively). There were significantly higher IndCPK levels among male patients than among female patients (p < or = .001). A relatively consistent individual pattern of serum CPKMM levels during repeated acute psychotic episodes was observed. CONCLUSIONS Serum CPKMM levels and gender were found to be good predictors of maximal serum CPKMM levels during every repeated acute psychotic episode. High IndCPK levels are probably risk factors for neuroleptic malignant syndrome.
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Affiliation(s)
- I Manor
- Geha Psychiatric Hospital, Tel Aviv, Israel
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33
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Affiliation(s)
- I Manor
- Gehah Psychiatric Hospital, Petah Tiqva, Israel
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34
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Abstract
We present two cases of acute nocturnal bruxism occurring as an early side effect of antipsychotic drug treatment. The development of bruxism was coupled with the appearance of neuroleptic-induced akathisia. Both complications were relieved after the beta-adrenergic blocker propranolol was added, suggesting the involvement of the adrenergic and serotonergic central nervous systems, besides the dopaminergic system, in the pathogenesis of bruxism. The positive response of iatrogenic bruxism to propranolol implies that propranolol also deserves a trial for the treatment of noniatrogenic nocturnal bruxism.
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Affiliation(s)
- I Amir
- Tel Aviv Community Mental Health Center, Israel
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35
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Gothelf D, Hermesh H, Munitz H. [Catatonia--still a common and underdiagnosed syndrome]. Harefuah 1997; 132:107-13. [PMID: 9119292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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36
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Abstract
Akathisia is one of the most distressing side effects of neuroleptic treatment. It is usually managed by manipulating the neuroleptic dose and administering anti-akathisic compounds (beta-blockers, anticholinergics, serotonin antagonists). However, the pathophysiological background of withdrawal akathisia which follows the discontinuation of neuroleptic treatment remains unclear, and there is as yet no adequate treatment. We report a case of severe withdrawal akathisia associated with suicidal and autoaggressive behaviour during a gradual transition from perphenazine/trihexyphenidyl to clozapine. The akathisia was effectively managed by titration of clozapine (maximum dose 200 mg/day) Thereafter, reduction of the clozapine dose resulted in a recurrence of the akathisia, and the resumption of clozapine dose was accompanied by full amelioration of symptoms. We suggest that the antiserotonergic properties of clozapine were responsible for its anti-akathisic effect. Differences in the treatment of acute and withdrawal types of akathisia are emphasized.
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Affiliation(s)
- M Poyurovsky
- Tirat Carmel Mental Health Center, Haifa, Israel
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37
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Mark M, Rabin S, Modai I, Kotler M, Hermesh H. A combined clinical approach to treating and understanding prolonged combat stress reaction. Mil Med 1996; 161:763-5. [PMID: 8990838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Over the last decade combat stress reaction (CSR) has received increasing attention in Israel and abroad. The treatment of prolonged CSR is known to be complicated and unrewarding, and the majority of cases became chronic. The authors describe the difficulties of diagnosing delayed and prolonged CSR and present a model of combined treatment approach through a case study.
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Affiliation(s)
- M Mark
- Israel Ministry of Health, Jerusalem, Israel
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38
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Abstract
Cytokine production was previously demonstrated to be reduced in untreated major affective patients. In addition, recovery from depression following clomipramine (CMI) treatment was accompanied by the restoration of interleukin-1 beta (IL-1 beta) and interleukin-3-like activity (IL-3-LA) to normal range. In the present study we assessed the in vitro production of IL-1 beta IL-2, and IL-3-LA by peripheral blood mononuclear cells (PBMC) in 11 nondepressed patients with obsessive compulsive disorder (OCD) before and after 8 weeks of CMI treatment. Results were compared with those of 11 healthy subjects. CMI treatment induced a significant improvement in OCD symptoms. No alteration was observed in cytokine production in OCD patients before treatment as compared to control subjects. Moreover, 8 weeks of drug treatment had no effect on cytokine production. In conclusion, OCD per se, as well as CMI treatment, have no effect on interleukin production as measured in this study.
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Affiliation(s)
- R Weizman
- Tel Aviv Brull Community Mental Health Center, Israel
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39
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Weizman R, Karp L, Dar DE, Butin B, Hermesh H, Munitz H, Gavish M. Electroconvulsive therapy down-regulates platelet peripheral-type benzodiazepine receptors in medication-resistant major depressed patients. Biol Psychiatry 1996; 40:221-4. [PMID: 8830956 DOI: 10.1016/0006-3223(95)00665-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- R Weizman
- Tel Aviv Mental Health Center, Israel
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40
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Abstract
Interest in the association of obsessive-compulsive (OC) symptoms and schizophrenia has been reawakened since the introduction of clozapine for treatment of schizophrenia. We describe the appearance of this disorder and examine the efficacy of adding fluvoxamine to ongoing clozapine treatment of the OC and schizophrenic symptoms. Four patients with DSM-III-R schizophrenic disorder, in whom OC symptoms appeared during the course of clozapine treatment, are reported. In two patients, fluvoxamine, a serotonin-selective reuptake inhibitor (SSRI), was added to clozapine under open-trial conditions. The patients were serially assessed by using the Brief Psychiatric Rating Scale, Yale-Brown Obsessive-Compulsive Scale, and Scale for the Assessment of Negative Symptoms. The de novo occurrence and eventual spontaneous reduction of OC symptoms were noted in two schizophrenic patients treated with clozapine. In the other two patients, one with previous and the other with a family history of OC disorder, the addition of fluvoxamine to clozapine was effective in eliminating the OC symptoms. A concomitant improvement in the schizophrenic symptomatology was seen as well. It appears that disabling OC symptoms may occur as in response to clozapine treatment in chronic drug-resistant schizophrenic patients. Some of the latter may benefit from the addition of an SSRI to the ongoing clozapine regimen.
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Affiliation(s)
- M Poyurovsky
- Shaar Menashe Psychiatric Hospital, Hadera, Israel
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41
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Abstract
BACKGROUND Cyproheptadine, an antiserotonergic agent, was used to treat neuroleptic-induced akathisia. METHOD In an open clinical trial 17 neuroleptic-treated patients with akathisia were administered cyproheptadine (16 mg/day) over 4 days. Assessment of akathisia, psychosis and depression were monitored by BAS, BPRS and HAM-D. RESULTS All subjects showed improvement in the severity of akathisia, which in the majority (15/17) was of a marked degree. There was no aggravation of psychosis or depression. Symptoms of akathisia returned when cyproheptadine was discontinued. CONCLUSIONS Cyproheptadine may be useful in neuroleptic-induced akathisia.
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Affiliation(s)
- D Weiss
- Gehah Psychiatric Hospital, Petah Tiqva, Israel
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42
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Mintz M, Hermesh H, Glicksohn J, Munitz H, Radwan M. First month of neuroleptic treatment in schizophrenia: only partial normalization of the late positive components of visual ERP. Biol Psychiatry 1995; 37:402-9. [PMID: 7772649 DOI: 10.1016/0006-3223(94)00145-s] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
In a previous study we recorded visual event-related potentials (ERP) in drug-naive schizophrenics during passive-attention and active-attention tasks. Patients, compared to normal controls, had much lower late positive components (LPC) in both sessions, but nearly normal LPC increase from passive to active task. The present sample consisted of drug-naive and drug-free patients who were tested before and during the first month of neuroleptic treatment. Neuroleptics initiated gradual amelioration of psychiatric symptoms expressed by reduced Brief Psychiatric Rating Scale (BPRS) scores. Schizophrenics compared to controls showed a session-related increase in LPC amplitude, but this process of LPC recovery was too minor to fully normalize the low LPC amplitudes in patients. Furthermore, the treatment either did not improve or even reduce the LPC reaction to the active-attention task. These findings indicate that normalization of low LPC in schizophrenia might require a long period of treatment, and that patients' reduced LPC reactivity to the task might be contributed, rather than treated, by neuroleptics.
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Affiliation(s)
- M Mintz
- Department of Psychology, Tel-Aviv University, Ramat-Aviv, Israel
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43
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Affiliation(s)
- H Hermesh
- Sackler Faculty of Medicine, Tel Aviv University, Israel
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44
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Abstract
Two-color flow cytometric analysis was performed on peripheral blood lymphocytes of 16 untreated schizophrenic patients during an acute psychotic attack and 16 healthy control subjects to evaluate differences in T-cell subpopulations. In schizophrenic patients, we observed decrease in CD4+ 2H4+ (suppressor-inducer) and CD8+ 2H4+ (suppressor-effector) T-cell subsets. The selective loss of 2H4+ cell markers both on helper and suppressor T cells was not correlated to the severity of the acute psychosis. Our results may indicate a mechanism of an immune disequilibrium in schizophrenic patients during an acute psychotic attack.
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Affiliation(s)
- A Achiron
- Department of Neurology, Beilinson Medical Center, Petah-Tiqva, Israel
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45
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Abstract
Mitochondrial benzodiazepine receptors (MBR) are sensitive to anxiety and stress. The aim of the present study was to investigate whether platelet MBR are altered in untreated obsessive-compulsive disorder (OCD) patients and whether chronic treatment with clomipramine (CMI) regulates these receptors. MBR were assessed in 13 drug-free OCD patients as compared with 15 healthy controls. Seven of the 13 patients were treated with CMI (200-300 mg/day). The density and affinity of the receptors to their ligand [3H]PK 11195 in OCD patients and controls were not affected by the CMI treatment despite the clinical improvement. It seems that, in contrast to generalized anxiety disorder, OCD is not associated with alterations in platelet benzodiazepine receptors.
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Affiliation(s)
- R Weizman
- Tel Aviv Community Mental Health Center, Israel
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46
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Abstract
Poor neuroleptic response is a major unresolved clinical problem. Precise data concerning the frequency of poor neuroleptic response are not available. The implementation of treatment modalities that are specifically recommended for non-responders (such as clozapine) increases the desirability of such data. This study evaluated the proportion of acutely exacerbated schizophrenics who remained unimproved by consecutive administration of haloperidol, chlorpromazine and perphenazine, in randomly determined order. The overall improvement rate was 95%. The frequency of good responses to the first, second and third drug were 67%, 55%, and 67% respectively. Differences in receptor affinity profile might explain the added beneficial effect of a second or third drug.
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Affiliation(s)
- A Shalev
- Department of Psychiatry, Hadassah University Hospital, Jerusalem, Israel
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47
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Zemishlany Z, Aizenberg D, Hermesh H, Weizman A. [Withdrawal reactions after clomipramine]. Harefuah 1992; 123:252-5, 307. [PMID: 1459499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Abrupt or gradual discontinuation of tricyclic antidepressants may precipitate withdrawal symptoms. The most common of these are general somatic or gastrointestinal distress, anxiety and agitation, sleep disturbance, akathisia, parkinsonism, paradoxical behavioral activation and mania. There are very few reports of withdrawal reactions following discontinuation of clomipramine since it has not been in use in the US until recently. 2 patients with withdrawal symptoms following discontinuation of clomipramine are presented. A 45-year-old man had general somatic symptoms, including headache, myalgia, weakness, fatigue (flu-like syndrome) and nervousness and insomnia after clomipramine, 75 mg/d, had been discontinued abruptly. All symptoms disappeared without treatment after 3 days. A 47-year-old woman presented mainly with severe insomnia, anxiety, agitation, jitteriness and tension after discontinuing a low dose of 25 mg/d of clomipramine. Symptoms disappeared after she started self-treatment with 50 mg/d of the drug. It is important to differentiate withdrawal symptoms from relapse of the primary psychiatric disorder.
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48
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Hermesh H, Aizenberg D, Weizman A, Lapidot M, Mayor C, Munitz H. Risk for definite neuroleptic malignant syndrome. A prospective study in 223 consecutive in-patients. Br J Psychiatry 1992; 161:254-7. [PMID: 1355693 DOI: 10.1192/bjp.161.2.254] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The occurrence of neuroleptic malignant syndrome (NMS) was studied prospectively in two series of consecutive psychiatric in-patients (n = 223). The first group (n = 120) suffered from schizophrenia and was treated only with haloperidol. The second group (n = 103) was treated with diverse neuroleptics. All patients were on a single antipsychotic agent with no anticholinergic drug as prophylaxis. The incidence of full NMS per admission and first neuroleptic exposure was 5/223 (2.2%). Patients with bipolar affective disorder and those treated with injections were significantly over-represented in the NMS group.
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Affiliation(s)
- H Hermesh
- Geha Psychiatric Hospital, Beilinson Medical Center, Petah Tikva, Israel
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49
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Affiliation(s)
- P Sirota
- Geha Psychiatric Hospital, Beilinson Medical Center, Petah Tiqva, Israel
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50
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Abstract
Neuroleptic-induced akathisia (NIA) and parkinsonism (NIP) continued for 3 months, despite two courses of anticholinergic treatments, a shift to low-potent neuroleptic (NL) and a NL-free period. The two adverse effects responded dramatically to electroconvulsive therapy (ECT) to reemerge 3 months after termination of ECT. The case supports the idea that ECT is effective for both NIA and NIP even when they are resistant.
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Affiliation(s)
- H Hermesh
- Geha Psychiatric Hospital, Beilinson Medical Center, Petah Tikva, Israel
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