Effects of Hyperdirect Pathway Theta Burst Transcranial Magnetic Stimulation on Inhibitory Control, Craving, and Smoking in Adults With Nicotine Dependence: A Double-Blind, Randomized Crossover Trial.

BACKGROUND: Nicotine dependence is associated with dysregulated hyperdirect pathway (HDP)-mediated inhibitory control (IC). However, there are currently no evidence-based treatments that have been shown to target the HDP to improve IC and reduce cigarette cravings and smoking. METHODS: Following a baseline nonstimulation control session, this study (N = 37; female: n = 17) used a double-blind, randomized crossover design to examine the behavioral and neural effects of intermittent theta burst stimulation (iTBS) and continuous TBS (cTBS) to the right inferior frontal gyrus (rIFG)-a key cortical node of the HDP. Associations between treatment effects were also explored. RESULTS: At baseline, HDP IC task-state functional connectivity was positively associated with IC task performance, which confirmed the association between HDP circuit function and IC. Compared with iTBS, rIFG cTBS improved IC task performance. Compared with the baseline nonstimulation control session, both TBS conditions reduced cigarette craving and smoking; however, although craving and smoking were lower for cTBS, no differences were found between the two active conditions. In addition, although HDP IC task-state functional connectivity was greater following cTBS than iTBS, there was no significant difference between conditions. Finally, cTBS-induced improvement in IC task performance was associated with reduced craving, and cTBS-induced reduction in craving was associated with reduced smoking. CONCLUSIONS: These findings warrant further investigation into the effects of rIFG cTBS for increasing IC and reducing craving and smoking among individuals with nicotine dependence. Future sham-controlled cTBS studies may help further elucidate the mechanisms by which rIFG cTBS mediates IC and smoking behavior.

Ketamine Infusions Administered Solely by Psychiatric Staff.

Even though intravenous ketamine is not an FDA-approved depression treatment, multiple studies have shown a robust antidepressant effect which has led to an increase in clinical practices implementing its use to manage treatment-resistant depression. Traditionally, this therapy has been provided in both outpatient and inpatient settings, with anesthesia specialists and psychiatrists working collaboratively on most cases. Several studies have been conducted in various psychiatric settings to study the effects of ketamine in depression, mostly in a collaborative manner. Thorough search of the literature found no published reports on the use of ketamine infusions merely for clinical purposes in a psychiatric hospital setting, implemented solely by a psychiatric-based team without collaboration from anesthesia specialists. In an effort to explore the utilization of ketamine infusions, the Missouri University Psychiatric Center (MUPC), an acute mental inpatient facility, formed a ketamine infusion team composed solely of mental health clinicians and staff to investigate the use of ketamine infusions by a psychiatric team. To our knowledge, this is the first-time ketamine infusions have been administered by a clinically based psychiatric team in a psychiatric hospital. The MUPC ketamine team has proved that ketamine infusions may provide a unique intervention safely and efficaciously without the need for collaboration with other medical specialties since initiating this pilot program.

Catatonia in Down syndrome: systematic approach to diagnosis, treatment and outcome assessment based on a case series of seven patients.

OBJECTIVE: The goal is to expand our knowledge of catatonia occurring in adolescents and young adults with Down syndrome (DS) by describing the first prospective, consecutive, well-characterized cohort of seven young people with DS diagnosed with catatonia and treated between 2013 and 2018, and to assess each patient's treatment responses. Longitudinal assessment of each patient's response to treatment is intended to provide clinicians and psychiatrists a firm foundation from which assess treatment efficacy. STUDY DESIGN: Young adults with Down syndrome were consecutively enrolled in the study as they were diagnosed with catatonia. A comprehensive data set included medical, laboratory, developmental, demographic, family, social and genetic data, including query into disorders for which individuals with DS are at risk. Catatonia was diagnosed based on an unequivocal history of regression, positive Bush-Francis Catatonia Rating Scale and positive response to intravenous lorazepam. Patients' longitudinal progress was monitored using the Catatonia Impact Scale (CIS) developed for this purpose. RESULTS: Seven consecutive DS patients, who presented with unequivocal regression were diagnosed with catatonia and treated for 2.7-6 years using standard-of-care therapies; primarily GABA agonist, lorazepam, electroconvulsive therapy (ECT) and glutamate antagonists (dextromethorphan/quinidine, memantine, minocycline). Responses to each treatment modality were assessed at clinic visits and through weekly electronic CIS reports. CONCLUSION: Seven young adults with DS were diagnosed with catatonia; all responded to Lorazepam and/or ECT therapy with good to very good results. Though ECT most dramatically returned patients to baseline, symptoms often returned requiring additional ECT. Dextromethorphan/quinidine, not used until mid-2017, appeared to reduce the reoccurrence of symptoms following ECT. Though all seven patients improved significantly, each continues to require some form of treatment to maintain a good level of functioning. Findings of a significant number of autoimmune disorders and laboratory markers of immune activation in this population may guide new diagnostic and treatment opportunities.

Pre- and Post-Clerkship Knowledge, Perceptions, and Acceptability of Electroconvulsive Therapy (ECT) in 3rd Year Medical Students.

To examine the impact of the third year psychiatry clerkship on medical students' knowledge and opinion of ECT at University of Missouri-Columbia School of Medicine. Despite overwhelming evidence of ECT's efficacy and safety for refractory affective illnesses, (among other conditions), it remains a misunderstood and underutilized intervention. Several studies indicate that ECT stigma and misinformation, unfortunately, does not spare the medical community. Medical students are an optimal group to study, as they are forming their perspectives on different specialties. Few studies have measured the effect of education programs (e.g., clerkships, lectures, observation of ECT) on medical students' perspectives on ECT.

Treatment-Refractory Mania with Psychosis in a Post-Transplant Patient on Tacrolimus: A Case Report.

Bipolar affective disorder type I imparts significant morbidity and disease burden in the population. It is characterized by occurrence of one or more manic episodes which may be preceded or followed by a depressive or hypomanic phase. About half of these manic episodes are characterized by the presence of psychotic features. The condition is further complicated when the patient has multiple comorbid conditions. We report here the case of a Caucasian woman, aged 66 years, previously diagnosed with Bipolar disorder who developed treatment refractory mania with psychotic feature after being on the immunosuppressive agent, tacrolimus, after kidney transplantation.

Update on New and Emerging Treatments for Schizophrenia.

Although there has been more than 50 years of development, there remains a great need for better antipsychotic medications. This article looks at the recent advances in treatment of schizophrenia. New hypotheses have been suggested that may replace or complement the dopamine hypotheses. The article explores the different novel drugs that impact some of the key neurotransmitter systems currently. Phosphodiesterase 10A inhibitors and α-7 neuronal nicotinic acetylcholine receptor modulators constitute the majority. The marketing of these medications eventually may result in change about how schizophrenia is treated.

Predictors of length of stay in a psychiatric hospital.

OBJECTIVE: This article reviews the available evidence for predicting length of stay in a psychiatric hospital based on several patient characteristics. METHODS: An OVID Medline search was done for studies in this area with terms: length of stay, acute psychiatric hospital and predictors. Indexed articles were searched for additional references and subsequently cross referenced. The variables described in various studies were classified into demographic, diagnostic, treatment related and system-based variables ( Table 1 ). RESULTS: Substance abuse has been consistently shown to be associated with a shorter length of stay. Mood and psychotic disorders have shown to lengthen the stay in an acute psychiatric hospital. Women tend to stay longer in an acute psychiatric hospital. Other demographic variables like age and education have had equivocal results, while a married marital status and employment are consistently related to a shorter length of stay. Use of restraints and ECT during hospitalization has shown to lengthen the stay in the hospital. CONCLUSIONS: Many studies have explored the relationship between the demographics, diagnosis and treatment variables on length of stay in an acute psychiatric hospital. These studies have been able to account for about 10-37% of the variance in the length of stay. The relevant findings impacting the length of stay are shown in Table 2 .

Rechallenging clozapine after neuroleptic malignant syndrome.

Neuroleptic malignant syndrome (NMS) is a potentially fatal manifestation of antipsychotic use associated with symptoms that include mental status changes, muscle rigidity, fever and autonomic dysfunction. An occurrence of NMS with clozapine has been reported in the past but there are very few reports of successfully rechallenging the drug in individuals who have developed the syndrome. This case report discusses one of the few instances in literature where clozapine has been re-administered successfully to a patient without a reoccurrence of NMS. In conclusion, a rechallenge of clozapine after neuroleptic malignant syndrome can be done if care is taken to avoid concurrent use of lithium and other psychotropics, monitoring for NMS symptoms and titrating the dose upward slowly after a reasonable period of time.