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Introduction Telepsychiatry (TP) uses communication technology to provide psychiatric consultation to patients unable to reach consultation services. Due to COVID-19 outbreak, many mental health services implemented TP. The University of Milan developed a patient-specialist video consultation service: the Cure Ospedaliere Domiciliari (Home Hospital Care system; COD20). Objectives The aim of the study was to assess the digital skills of the mental health professionals and to assess both the confidence and the satisfaction with the COD20 platform, as well as their skills in handling certain degrees of technostress. Methods Mental health professionals of the outpatient clinics of the department were interviewed through an online anonymous survey. Data collected were sociodemographic, job position, educational level, digital skills, adequacy of devices in the workplace, satisfaction degree, ease of use of the COD20 tool, as well as main technostress score. Data were analyzed using SPSS v.27. Results Among 95 subjects, more than 95% of the sample is familiar with the use of electronic devices, such as smartphones, tablets, and computers; 93% employs appropriate devices in the workplace. Only 12% had an ECDL certificate, while the majority of the sample (77%) learnt the use of electronic devices independently. The levels of the digital skills were considered intermediate-advanced for communication and information research. Despite all the respondents being aware of the use of COD20, only 50% received adequate training; 77% deemed it worthwhile to attend an individual or a group training (40% vs 43%). Telemedicine was used for clinical interviews by 80% of the sample: 41% of these used Telemedicine at least 10 times/year, 18% between 10 and 20 times/year, and 42% more than 20 times/year. With regard to the appreciation of the COD20 platform, 75% of the sample considered this tool useful, while 61% considered it easy to use. There is a significant correlation between the ease of use and a higher level of education (p

Introduction Telepsychiatry (TP) is the use of telecommunication technologies to provide psychiatric assessment, diagnosis, treatment, and consultation. During the COVID-19 outbreak, TP has shown potential for connecting with people unable to access traditional in-person services, and also enabling patients to receive mental health care safely from home. The Home Hospital care system (Cure Ospedaliere Domiciliari; COD20) is a video consultation service developed by the University of Milan. Objectives We aimed at investigating the potential of Telemedicine (TM) in a sample of psychiatric patients. Methods As of now, 208 consecutive patients of an outpatient clinic belonging to ASST Fatebenefratelli-Sacco in Milan were interviewed through an online anonymous survey. Data collected were sociodemographic, job position, educational level, digital skills and both satisfaction degree and ease of use of the COD20 tool. Data were analyzed using SPSS v.27. Results Among 208 patients, 87.7% had Internet access, 94.5% used a smartphone, 74% used a computer and 37% used a tablet. The levels of digital skills were considered intermediate-advanced in communication and information research for the majority of the cases. A high percentage of patients (80.8%) learned how to use electronic devices by themselves, while only 12.3% had an ECDL certificate. The most represented diagnoses were Mood Disorders (44.5%) and Anxiety Disorders (14%). The majority of the sample (54.8%) was visited using TM for clinical interviews: 24.7% of them used TM at least 10 times/year, and 19.8% more than 20 times/year. Among all the clinical interviews conducted using TM, 61% concerned psychiatric consultation, while 30% were dedicated to psychotherapy. The most used tool was the COD20 platform (21.9%): it was considered easy to use in 47.9% of cases, while 43.8% of patients would like to use it again in the future. The main reasons leading to the usage of TM were the difficulties in reaching the ambulatory (for 43.9%) and the workplace (for 30%). Image: Image 2: Conclusions TM represents a valid implementation in the traditional clinical practice, and we showed it is well received in terms of appreciation and ease of use. The COD20 platform could increase access to care, and overcome barriers such as distance, travel costs and time management. TP contributes to develop a more inclusive healthcare process for patients, with better performance in terms of compliance. Disclosure of Interest None Declared

Introduction Poor adherence to treatment is currently stated to be one of the causes of depression relapse and recurrence. Objectives Aim of the present study was to assess potential differences in terms of clinical and socio-demographic characteristics specifically related to adherence to treatment features, medical comorbidities, and substance abuse in a sample of patients diagnosed with Major Depression in an Italian psychiatric department. Methods Patients with a DSM-5 diagnosis of Unipolar or Bipolar Major Depressive Episode, of either gender or any age were recruited from the Psychiatry Department of Luigi Sacco University Hospital in Milan. Main clinical and socio-demographic variables were collected reviewing patients’ medical records. Moreover, adherence to psychopharmacological treatment was assessed using the Clinician Rating Scale (CRS; Kemp et al, 1996; 1998). Adherence was defined as ratings of > or =5 on the CRS. Descriptive and association analyzes were performed, setting the significance level at p

Introduction Obsessive Compulsive Disorder (OCD) and Tic Disorder (TD) are two highly disabling, comorbid and difficult-to-treat conditions. DSM-5 acknowledged a new “tic-related” specifier for OCD, i.e., Obsessive-Compulsive Tic-related Disorder (OCTD), which may show poor treatment response. Objectives The aim of the present study was to evaluate rates and clinical correlates of response, remission and resistance to treatment in a large multicentre sample of OCD patients with versus without tics. Methods 398 patients with a DSM-5 diagnosis of OCD with and without comorbid TD was assessed from ten psychiatric departments across Italy. Treatment response profiles in the whole sample were analysed comparing the rates of response, remission and treatment-resistance as well as related clinical features. Multivariate logistic regressions were performed to highlight possible treatment response related factors. Results Later ages of onset of TD and OCD were found in the remission group. Moreover, significantly higher rates of psychiatric comorbidities, TD, and lifetime suicidal ideation and attempts were associated to the treatment-resistant group, with larger degrees of perceived worsened quality of life and family involvement. Conclusions While remission was related to later ages of OCD and TD onset, specific clinical factors, such as early onset and presence of psychiatric comorbidities and concomitant TD, predicted a worse treatment response, with a significant impairment in quality of life for both patients and their caregivers. These findings suggest a worse profile of treatment response for patients with OCTD. Disclosure No significant relationships.

Introduction Several evidence recognizes Brain Derived Neurotrophic Factor (BDNF) as a promising biomarker in the pathophysiology of psychiatric disorders, including Obsessive-Compulsive Disorder (OCD), considering the involvement of epigenetic regulation in BDNF altered expression. Objectives This study aims to investigate, in a sample of OCD patients, the epigenetic modulation in terms of levels of methylation and hydroxymethylation on the BDNF gene exon I promoter. Methods Fifty OCD patients, recruited from Psychiatry Unit 2, Sacco University Hospital in Milan and fifty healthy controls, comparable by age and gender. Saliva samples were collected by oral swab and epigenetic analysis were performed at the University of Teramo. Statistical analyses were performed with t test with Bonferroni correction. Results Data analysis showed a significant decrease in 5-methyl cytosine levels (5mC) (mean OCD: 1.221%; mean CTRL: 1.784%; p < 0.001) and a significant increase in 5-Hydroxy-methyl cytosine levels (5hmC) (mean OCD: 1.018%; mean CTRL: 0.527% p< 0.0001) in BDNF gene exon I promoter of OCD patients compared to controls. Regarding 5mC of site 3 and 5hmC of site 1 and 2 of the exon I promoter CpG islands, no statistical significance was found. Conclusions Present results showed significant differences in epigenetic modulation of BDNF gene, which might not be univocally interpreted. They could represent an intrinsic OCD characteristic or the effect of antidepressant drugs, assumed by all recruited patients. Further studies, comparing OCD subjects in treatment vs drug-free, are necessary to define BDNF epigenetic modulation role and its possible use as biomarker in the characterization of OCD. Disclosure No significant relationships.

Introduction During the COVID-19 pandemic, health workers represented a group particularly vulnerable to work-related stress, but prevention and management of psychiatric symptoms are still under evaluation. Neurofeedback is a safe and non-invasive neuromodulation technique with the target of training participants in the self-regulation of neural substrates underlying specific psychiatric disorders. Protocols based on the increase of alpha frequencies, associated with the process of relaxation, are used for the treatment of stress, anxiety and sleep disturbances. Objectives The aim of the present study was to assess the effectiveness of an alpha-increase NF protocol for the treatment of stress in healthcare workers exposed to the COVID-19 pandemic. Methods Eighteen medical doctors belonging to the Sacco Hospital were recruited during the COVID-19 health emergency and underwent a 10 sessions NF alpha-increase protocol during two consecutive weeks. The level of stress was assessed at the beginning (T0) and at the end (T1) of the protocol through the following questionnaires: Severity of Acute Symptoms Stress (SASS), Copenhagen Burnout Inventory (CBI), Pittsburgh Sleep Quality Index (PSQI), Brief-COPE. Statistical analyses were performed with Paired Samples t-Test for continuous variables, setting significance at p < 0.05. Results A significant increase in alpha waves mean values between T0 and T1 was observed. In addition, a significant reduction in the PSQI test score between T0 and T1 was observed. Conclusions Alpha-increase protocol showed promising results in terms of stress modulation, sleep quality improvement and safety profile in a pilot sample of health-care workers. Larger controlled studies are warranted to confirm present results.

Objective: Limited studies have investigated cannabis use in patients with obsessive-compulsive disorder (OCD), despite its widespread use by patients with psychiatric illnesses. The aim of this study was to assess the frequency, correlates, and clinical impact of cannabis use in an Italian sample of patients with OCD., Methods: Seventy consecutive outpatients with OCD were recruited from a tertiary specialized clinic. To assess cannabis-related variables, patients completed a questionnaire developed for the purpose of this study, investigating cannabis use-related habits and the influence of cannabis use on OCD symptoms and treatments. A set of clinician and self-reported questionnaires was administered to measure disease severity. The sample was then divided into three subgroups according to the pattern of cannabis use: "current users" (CUs), "past-users" (PUs), and "non-users" (NUs)., Results: Approximately 42.8% of patients reported lifetime cannabis use and 14.3% reported current use. Approximately 10% of cannabis users reported an improvement in OCD symptoms secondary to cannabis use, while 23.3% reported an exacerbation of anxiety symptoms. CUs showed specific unfavorable clinical variables compared to PUs and NUs: a significant higher rate of lifetime use of tobacco, alcohol, and other substances, and a higher rate of pre-OCD onset comorbidities. Conversely, the three subgroups showed a similar severity of illness., Conclusion: A considerable subgroup of patients with OCD showed a predisposition towards cannabis use and was associated with some specific clinical characteristics, suggesting the need for targeted consideration and interventions in this population.

Background: Highlighting the relationship between obsessive-compulsive disorder (OCD) and tic disorder (TD), two highly disabling, comorbid, and difficult-to-treat conditions, Diagnostic and Statistical Manual of Mental Disorders, fifth edition (DSM-5) acknowledged a new "tic-related" specifier for OCD, ie, obsessive-compulsive tic-related disorder (OCTD). As patients with OCTD may frequently show poor treatment response, the aim of this multicenter study was to investigate rates and clinical correlates of response, remission, and treatment resistance in a large multicenter sample of OCD patients with versus without tics., Methods: A sample of 398 patients with a DSM-5 diagnosis of OCD with and without comorbid TD was assessed from 10 different psychiatric departments across Italy. For the purpose of the study, treatment response profiles in the whole sample were analyzed comparing the rates of response, remission, and treatment-resistance as well as related clinical features. Multivariate logistic regressions were performed to identify possible factors associated with treatment response., Results: The remission group was associated with later ages of onset of TD and OCD. Moreover, significantly higher rates of psychiatric comorbidities, TD, and lifetime suicidal ideation and attempts emerged in the treatment-resistant group, with larger degrees of perceived worsened quality of life and family involvement., Conclusions: Although remission was associated with later ages of OCD and TD onset, specific clinical factors, such as early onset and presence of psychiatric comorbidities and concomitant TD, predicted a worse treatment response with a significant impairment in quality of life for both patients and their caregivers, suggesting a worse profile of treatment response for patients with OCTD.