We investigated real-world vaccine effectiveness for Oxford-AstraZeneca (ChAdOx1) and CoronaVac against laboratory-confirmed severe acute respiratory coronavirus virus 2 (SARS-CoV-2) infection among healthcare workers (HCWs).

We conducted a retrospective cohort study among HCWs (aged ≥18 years) working in a private healthcare system in Brazil between January 1, 2021 and August 3, 2021, to assess vaccine effectiveness. We calculated vaccine effectiveness as 1 − rate ratio (RR), with RR determined by adjusting Poisson models with the occurrence of SARS-CoV-2 infection as the outcome and the vaccination status as the main variable. We used the logarithmic link function and simple models adjusting for sex, age, and job types.

In total, 13,813 HCWs met the inclusion criteria for this analysis. Among them, 6,385 (46.2%) received the CoronaVac vaccine, 5,916 (42.8%) received the ChAdOx1 vaccine, and 1,512 (11.0%) were not vaccinated. Overall, COVID-19 occurred in 6% of unvaccinated HCWs, 3% of HCWs who received 2 doses of CoronaVac vaccine, and 0.7% of HCWs who received 2 doses of ChAdOx1 vaccine (P < .001). In the adjusted analyses, the estimated vaccine effectiveness rates were 51.3% for CoronaVac, and 88.1% for ChAdOx1 vaccine. Both vaccines reduced the number of hospitalizations, the length of hospital stay, and the need for mechanical ventilation. In addition, 19 SARS-CoV-2 samples from 19 HCWs were screened for mutations of interest. Of 19 samples, 18 were the γ (gamma) variant.

Although both COVID-19 vaccines (viral vector and inactivated virus) can significantly prevent COVID-19 among HCWs, CoronaVac was much less effective. The COVID-19 vaccines were also effective against the dominant γ variant.

Longitudinal data on the mental health impact of the coronavirus disease 2019 (Covid-19) pandemic in healthcare workers is limited. We estimated prevalence, incidence and persistence of probable mental disorders in a cohort of Spanish healthcare workers (Covid-19 waves 1 and 2) -and identified associated risk factors.

8996 healthcare workers evaluated on 5 May–7 September 2020 (baseline) were invited to a second web-based survey (October–December 2020). Major depressive disorder (PHQ-8 ≥ 10), generalised anxiety disorder (GAD-7 ≥ 10), panic attacks, post-traumatic stress disorder (PCL-5 ≥ 7), and alcohol use disorder (CAGE-AID ≥ 2) were assessed. Distal (pre-pandemic) and proximal (pandemic) risk factors were included. We estimated the incidence of probable mental disorders (among those without disorders at baseline) and persistence (among those with disorders at baseline). Logistic regression of individual-level [odds ratios (OR)] and population-level (population attributable risk proportions) associations were estimated, adjusting by all distal risk factors, health care centre and time of baseline interview.

4809 healthcare workers participated at four months follow-up (cooperation rate = 65.7%; mean = 120 days s.d. = 22 days from baseline assessment). Follow-up prevalence of any disorder was 41.5%, (v. 45.4% at baseline, p < 0.001); incidence, 19.7% (s.e. = 1.6) and persistence, 67.7% (s.e. = 2.3). Proximal factors showing significant bivariate-adjusted associations with incidence included: work-related factors [prioritising Covid-19 patients (OR = 1.62)], stress factors [personal health-related stress (OR = 1.61)], interpersonal stress (OR = 1.53) and financial factors [significant income loss (OR = 1.37)]. Risk factors associated with persistence were largely similar.

Our study indicates that the prevalence of probable mental disorders among Spanish healthcare workers during the second wave of the Covid-19 pandemic was similarly high to that after the first wave. This was in good part due to the persistence of mental disorders detected at the baseline, but with a relevant incidence of about 1 in 5 of HCWs without mental disorders during the first wave of the Covid-19 pandemic. Health-related factors, work-related factors and interpersonal stress are important risks of persistence of mental disorders and of incidence of mental disorders. Adequately addressing these factors might have prevented a considerable amount of mental health impact of the pandemic among this vulnerable population. Addressing health-related stress, work-related factors and interpersonal stress might reduce the prevalence of these disorders substantially. Study registration number: NCT04556565

Social cognition has been associated with functional outcome in patients with first episode psychosis (FEP). Social cognition has also been associated with neurocognition and cognitive reserve. Although cognitive reserve, neurocognitive functioning, social cognition, and functional outcome are related, the direction of their associations is not clear.

The aim of the study was to analyze the influence of social cognition as a mediator between cognitive reserve and cognitive domains on functioning in FEP both at baseline and at 2 years.

The sample of the study was composed of 282 FEP patients followed up for 2 years. To analyze whether social cognition mediates the influence of cognitive reserve and cognitive domains on functioning, a path analysis was performed. The statistical significance of any mediation effects was evaluated by bootstrap analysis.

At baseline, as neither cognitive reserve nor the cognitive domains studied were related to functioning, the conditions for mediation were not satisfied. Nevertheless, at 2 years of follow-up, social cognition acted as a mediator between cognitive reserve and functioning. Likewise, social cognition was a mediator between verbal memory and functional outcome. The results of the bootstrap analysis confirmed these significant mediations (95% bootstrapped CI (−10.215 to −0.337) and (−4.731 to −0.605) respectively).

Cognitive reserve and neurocognition are related to functioning, and social cognition mediates in this relationship.

This work was supported by the Carlos III Institute of Health and European Fund for Regional Development (PI08/1213, PI11/ 01977, PI14/01900, PI08/01026, PI11/02831, PI14/01621, PI08/1161, PI16/ 00359, PI16/01164, PI18/00805), the Basque Foundation for He

The COVID-19 pandemic has enforced the restructuring of inpatient psychiatric services. In the UK, the South London and Maudsley NHS Foundation Trust has introduced a triage ward system to ensure all patients have a COVID test prior to admission to the general ward with the aim to reduce COVID transmission amongst psychiatric inpatients.

To characterise the flow of patients through a COVID-19 psychiatric triage ward and the protocol of assessment and management used.

Descriptive analysis of patients admitted to a COVID-19 triage ward since its creation.

The caseload of patients admitted to the COVID-19 triage ward since its inception will be presented. This will include the profile of patients admitted, their status (formal/informal) and their acceptance of COVID-19 tests. The protocol followed at this COVID-19 triage ward will be presented, and the challenges faced and suggestions to overcome them will be discussed.

This presentation aims to share the workflow and protocols adopted at a COVID-19 triage ward in the UK, discussing challenges experienced as well as good practices.

No significant relationships.

Functional impairment is a defining feature of psychotic disorders. A range of factors has been shown to influence functioning, including negative symptoms, cognitive performance and cognitive reserve (CR). However, it is not clear how these variables may affect functioning in first-episode psychosis (FEP) patients. This 2-year follow-up study aimed to explore the possible mediating effects of CR on the relationship between cognitive performance or specific clinical symptoms and functional outcome.

A prospective study of non-affective FEP patients was performed (211 at baseline and 139 at follow-up). CR was entered in a path analysis model as potential mediators between cognitive domains or clinical symptoms and functioning.

At baseline, the relationship between clinical variables or cognitive performance and functioning was not mediated by CR. At follow-up, the effect of attention (p = 0.003) and negative symptoms (p = 0.012) assessed at baseline on functioning was partially mediated by CR (p = 0.032 and 0.016), whereas the relationship between verbal memory (p = 0.057) and functioning was mediated by CR (p = 0.014). Verbal memory and positive and total subscales of PANSS assessed at follow-up were partially mediated by CR and the effect of working memory on functioning was totally mediated by CR.

Our results showed the influence of CR in mediating the relationship between cognitive domains or clinical symptoms and functioning in FEP. In particular, CR partially mediated the relationship between some cognitive domains or clinical symptoms and functioning at follow-up. Therefore, CR could improve our understanding of the long-term functioning of patients with a non-affective FEP.

Mixed Bipolar patients are those who have co-existing depressive symptoms during mania. These patients are supposed to have a worse evolution.

The objective of this study was to compare the long-term outcomes of patients who had at least one mixed episode with those who experienced only pure manic episodes.

169 outpatients diagnosed of Bipolar I disorder and treated at least during two years were included. 120 patients (71%) complited the follow-up over 10 years. Baseline demographic and clinical variables were included.

The patients with mixed episodes (37%) had a significantly younger mean age at onset comparing with those with manic episodes (25.3 years vs. 30.8 years; p=0.025) they also had more previous mood- incongruent psychotic symptoms χ2= 6.77, p=0.034), more number of hospitalizations (OR= 1.36, 95% CI = 1.14; -1.63; p< 0.001), and more number of episodes (OR= 1.21, 95% CI = 1.10-1.31; p< 0.001). There were no significant differences relating to depressive episodes, alcohol use, drug abuse, suicidal behaviour and suicide attempts.

Age at onset differed significantly between the mixed episode and pure mania groups, with mixed episode patients having a younger age of onset. This is interesting as one of the major results of the study we have found that age at onset mediates some of the factors classically related to outcome in mixed episodes like alcohol abuse and suicide attempts. However, independently of age at onset, these patients represent a especially severe type of bipolar disorder.

Oxidative stress suposses an imbalance between oxidants and antioxidants molecules. Negative and positive family environment have been related with worse and better outcomes respectively in schizophrenic patients.

Our objetive is to determine antioxidant defense in healthy controls and unaffected relatives of early onset psychosis patients and to asses its relationship with familiar environment.

We included 82 healthy controls (HC) and 14 healthy controls with second degree family history of psychosis (HCWFHP), aged between 9 to 17.

Total antioxidant status and lipid peroxidation test were determined in plasma and antioxidant enzime activities and glutathione levels were determined in erytrocytes.

We used the Global Assesment Functioning scale (GAF) and the Family Environment Scale (FES). The FES is made up of ten subscales: cohesion, expressiveness, conflict, independence, achievement, intellectual-cultural, social, moral, organization and control.

The analyses showed a significant decrease in total antioxidant level in HCWFHP compared with the HC (U Mann Withney = 281.00, p=0.009, effect size= -0.78).

HC and HCWFHP did not differ in the GAF scale, nevertheless the scores of HCWFHP were significantly higher in cohesion and intellectual-cultural dimensions of the FES (p=0.007, p=0.025).

Adjusting by this two FES dimensions, antioxidant status remained significantly different between groups: OR= 10.86, p=0.009.

Although we cannot induce causative relations, we can state that family environment is not playing a role in inducing oxidative stress in these subjects. It could be hypothesized that families with affected relatives protect themselves with positive envionmental factors such as cohesion and intellectual-cultural activities.

Vascular Dementia (VD) is the second most frequent cause of dementia (20–30% of cases) with a similar percentage associated with Alzheimer’s disease (AD). Due to increased prevalence, its early diagnosis is of particular importance for prevention and correction of risk factors.

An 82-year-old Caucasian woman has been taken to the emergency department by her husband, presenting changes in behaviour defined by aggressiveness, delusional and paranoid ideation with 1M of progression. She had also suffered cognitive impairment (memory deficits, prosoprognosia, disorientation) and some functional decline. She also experienced isolation and reduced communication, anxiety, almost total insomnia, emotional lability, slurred speech, slowed gait and urinary incontinence.

This elderly patient with multiple medical comorbidities (HTA, DM, chronic AF hypocoagulated, MI, Craneoencephalic trauma with a stroke episode) was admitted to the Department of Psychiatry and investigated with auxiliary diagnostic tests and neuroimaging. We found ischemic injury and haemorrhagic sequelae in the latter and in the neuropsychological assessment cognitive deficits were found (executive function, attentional, semantic memory and visuoespacial). Due to this findings and the rapid evolution of symptoms, the diagnosis was Cortical and Subcortical VD.

The patient was treated with a minor anxiolytic, a hypnotic inducer and an antidemencial, with improvement, after one week, of her emotional lability, behavioural symptoms and remission of delusional ideation. At discharge, she maintained slow gait, urinary incontinence, as well as attentional, mnesic and executive deficits, and she was partially oriented, in spite of anosognosia.

She was transferred to geriatrics and to a day center.

Both oxidative stress and the inflammatory chemokine MCP-1 have been linked to the pathophysiology of certain mental illnesses such as psychosis. There are previous studies in rats and dogs suggesting that oxidative stress can cause cognitive impairment.

To correlate oxidative stress and the chemokine MCP-1 levels with cognitive impairment in first episode psychosis.

28 patients with first episode psychosis and 28 healthy controls matched by sex and age were included in the study, who were given a battery of neurocognitive tests and we determined their blood levels of lipid peroxidation (TBARS), nitric oxide, total antioxidant status (TAS), glutathione, activity of enzymes catalase (CAT), glutathione peroxidase (cGPx) and superoxide dismutase (SOD) and the inflammatory chemokine MCP-1.

Healthy controls had better TAS than patients and increased activity of enzymes cGPx and CAT.

We found a statistically significant negative relationship between levels of MCP-1 and working memory, attention and verbal memory. At higher levels of chemokines, worse cognitive functioning in these areas.

Verbal memory was also negatively related, in a meaningful way, with nitric oxide levels in blood.

Likewise, we found that higher levels of glutathione correlated with better scores on the 3 tests performed of verbal fluency.

In patients with a PEP, levels of certain markers of oxidative stress and inflammation are associated with poorer cognitive functioning.

To describe possible differences in the initial cognitive profile between schizophrenia and non-schizophrenia first episode psychosis patients.

We assessed attention, working memory, and executive functioning in 57 first episode psychosis patients at baseline and at a one-year follow-up.

No significant differences were detected in the cognitive profile among schizophrenia (n=20) and non-schizophrenia (n=37) patients at baseline or at the one-year follow-up. For the overall group, significant reductions in the percentage of omission and commission errors for the sustained attention task (p< 0.001 and p=0.001 respectively), in the total time to complete the Stroop-I task (p< 0.001), in the percentage of omission errors for the working memory task (p=0.001), and in the percentage of perseverative errors for the WCST (p< 0.001) were detected, as well as a significant increase in the number of categories completed in the WCST (p< 0.001). The other cognitive variables analyzed remained stable (4 of the 10 variables tested). The pattern of change was similar for schizophrenia and non-schizophrenia patients in the areas of attention and working memory. For executive functioning, the non-schizophrenia group showed a more beneficial pattern of change.

Our results indicate a lack of specificity of cognitive alterations related to the degree of affectation, at least during the first year after instauration of treatment. The course of cognitive deficits in first episode psychosis showed significant improvements over this period, being the patter of change in executive functioning slightly more beneficial for patients with a non-schizophrenia psychosis.

Psychotic symptoms may develop after traumatic experiences. This is documented in Wartime situations. Childhood Abuse is linked with psychosis in later life. PTSD, and ‘Borderline’ symptoms are often linked with a past history of childhood trauma.

We hypothesise that the development of psychotic symptoms related to trauma may occur in a different pattern than the development of psychosis of neuro-developmental origin [schizophrenia].

We present a series of Vigniettes, all of whom have developed psychosis. Three have experienced major trauma, in Early Adulthood, Two have experienced a major trauma related to a war situation., and two, have developed psychotic illness of a neuro-developmental type [schizophrenia].

As expected, the cases of neuro-developmental psychosis developed psychosis over a long prodromal period, in which symptoms developed from non-specific depression and anxiety to a gradual increase of positive psychotic symptoms over time, until full psychosis developed.

The five cases where psycho-trauma occurred in adulthood [including the two wartime cases and the three other cases] showed sudden development of symptoms at the time of the trauma including PTSD and borderline symptoms. The psychotic symptoms developed, also suddenly, some time later, after a subsequent episode of psycho-trauma.

These different patterns of development of psychotic symptoms suggest different mechanisms of causation. Nonetheless, in all these cases, a full blown psychotic illness may result. In cases of psycho-trauma, the illness may continue to be accompanied by ongoing symptoms of PTSD and Borderline features, making these patients difficult to treat.

To describe possible differences in cognitive performance in smoking versus non-smoking patients with first-episode psychosis and to determine the presence of smoking-related cognitive enhancement.

Sixty-two patients with first-episode psychosis were assessed with a neuropsychological battery that included computerized measurements of attention, working memory, and executive functioning. Patients were grouped into two categories: non-smokers (0 cigarettes/day; n=31) and smokers (20 or more cigarettes/day; n=31).

Groups were paired for sociodemographic and clinical data. In the sustained attention task, smokers exhibited shorter reaction times than non-smokers (p=0.026) and presented a significantly lower % of omissions (p=0.046). No differences were found in the % of commissions. Similarly, in the working memory task, smokers exhibited shorter reaction times than non-smokers (p=0.020) and presented a significantly lower % of omissions (p=0.002), with no differences in the % of commissions. Compared to non-smokers, smokers needed significantly less time to complete the Stroop interference task (p=0.013) with no significant differences in the % of correct responses. No differences were detected between groups in the Wisconsin Card Sorting Test.

Cigarette smoking is associated with less marked attentional and working memory deficits in first-episode psychosis and may constitute a self-medication behavior for remediation of neuropsychological dysfunction. This may be relevant for developing new pharmacotherapies for cognitive deficits in psychosis.

Addiction, depression, anxiety and antisocial personality disorder may share common biological mechanisms and changes in impulsivity may contribute to the characterization of different clinical phenotypes.

Our aim was to identify diagnostic profiles in a sample of inmates in a Portuguese prison.

We examined a sample recruited at Paços de Ferreira Penitentiary Centre (n=89). Diagnosis was performed using the International Neuropsychiatric Interview (MINI). Six Version of Addiction Severity Index – European version (EuropASI) and the Psychopathy Checklist –Revised (PCL-R) were used to assess the severity of drug addiction and the presence of psychopathy.

Drug misuse was found in 61.8% of the studied subjects according to MINI. A high prevalence of psychiatric comorbidity was detected, with antisocial personality disorder (70.9%), depression (30.9%), and anxiety (32.7%) being the most common disorders. The total PCL-R score was 24. 1 (SD 8.8), 36 prisoners presented a diagnosis of psychopathy (PCL-R>30). The presence of depression in addicted individuals is associated with a lower severity of dependence (p <0.05) and lower PCL-R scores (p <0.05). The presence of addiction and depression reduces the risk of violent crime, whereas the presence of psychopathy (PCL-R> 30) increases (OR = 3.87, p <0.05).

Psychiatric disorders and addiction were successfully evaluated. Depression is associated with a lower addiction severity. The different types of psychiatric diagnoses produce a modulation in the frequency of violent crimes. The prevalence of psychiatric comorbidity underscores the advantages of a structured psychiatric assessment in prison inmates in order to provide the best treatment.

Two common approaches to identify subgroups of patients with bipolar disorder are clustering methodology (mixture analysis) based on the age of onset, and a birth cohort analysis. This study investigates if a birth cohort effect will influence the results of clustering on the age of onset, using a large, international database.

The database includes 4037 patients with a diagnosis of bipolar I disorder, previously collected at 36 collection sites in 23 countries. Generalized estimating equations (GEE) were used to adjust the data for country median age, and in some models, birth cohort. Model-based clustering (mixture analysis) was then performed on the age of onset data using the residuals. Clinical variables in subgroups were compared.

There was a strong birth cohort effect. Without adjusting for the birth cohort, three subgroups were found by clustering. After adjusting for the birth cohort or when considering only those born after 1959, two subgroups were found. With results of either two or three subgroups, the youngest subgroup was more likely to have a family history of mood disorders and a first episode with depressed polarity. However, without adjusting for birth cohort (three subgroups), family history and polarity of the first episode could not be distinguished between the middle and oldest subgroups.

These results using international data confirm prior findings using single country data, that there are subgroups of bipolar I disorder based on the age of onset, and that there is a birth cohort effect. Including the birth cohort adjustment altered the number and characteristics of subgroups detected when clustering by age of onset. Further investigation is needed to determine if combining both approaches will identify subgroups that are more useful for research.