Publications by authors named "Peter Haddad"

Article Synopsis
  • - LGBTQA+ individuals are more likely to experience psychosis and face challenges in accessing timely mental health care, leading to an increased risk of negative outcomes.
  • - A scoping review analyzed 37 studies and identified 89 barriers and 63 facilitators related to mental health care for LGBTQA+ people, categorizing them into five key themes: service-related factors, stigma, social networks, personal factors, and psychosis-related factors.
  • - The findings emphasize the importance of understanding intersectionality and suggest that enhancing knowledge and resources in public services could lead to earlier detection and better treatment of psychosis in the LGBTQA+ community.
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Background: The prevalence of psychosis has been shown to be disproportionately high amongst sexual and gender minority individuals. However, there is currently little consideration of the unique needs of this population in mental health treatment, with LGBTQA+ individuals facing barriers in accessing timely and non-stigmatising support for psychotic experiences. This issue deserves attention as delays to help-seeking and poor engagement with treatment predict worsened clinical and functional outcomes for people with psychosis.

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Introduction: While there is considerable published evidence regarding the nature and severity of Selective Serotonin Reuptake Inhibitor (SSRI) discontinuation symptoms in the adult population, information relating to the child and adolescent population remains scarce. This narrative review examined the published literature on SSRI withdrawal symptoms in the under-18-year-old age group. MEDLINE and PsycINFO were comprehensively searched from inception to 5 May 2023.

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Introduction: Maintenance antipsychotic treatment improves multiple outcomes in people with schizophrenia. These benefits are challenged by medication nonadherence, which is a common occurrence. Long-acting injectable antipsychotic (LAI) formulations were developed to reduce nonadherence and thereby improve outcomes.

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Background And Objectives: Perceived stigma related to infectious diseases is of public health importance and can adversely impact patients' physical and mental health. This study aims to identify the level of perceived stigma among COVID-19 survivors in Qatar and investigate its predictors.

Methods: An analytical cross-sectional design was employed.

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Background: Prevalence trends from Arabic speaking countries on psychiatric symptoms before and after the first wave of the COVID-19 pandemic are lacking. We estimated the point prevalence and change in depression and anxiety symptoms scores in relation to sociodemographic variables following the resolution of the first wave in Qatar compared with before the pandemic.

Methods: We conducted a trend analysis using repeated nationally representative cross-sectional surveys spanning 2017, 2018, 2020/2021 and using the Patient Health Questionnaire-9 (PHQ-9) and Generalized Anxiety Disorder-7 (GAD-7) to assess depressive and anxiety symptoms.

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Rationale: Irritable bowel syndrome (IBS) is a chronic and debilitating functional disorder of the gastrointestinal tract manifested by abdominal pain and bowel habit dysregulation. The pathophysiology is complex and management targets symptom resolution. Therapeutic interventions range from dietary modification, psychological interventions, exercise, to the use of antispasmodics, antibiotics, and antidepressants.

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WHAT IS KNOWN ON THE SUBJECT?: There is only limited information on how the COVID-19 pandemic has affected people diagnosed with mental health disorders, especially people admitted to psychiatric wards. We surveyed the views of inpatients at Qatar's only psychiatric hospital regarding how the pandemic had affected their mental health and social changes they had experienced during the pandemic. WHAT THE PAPER ADDS TO EXISTING KNOWLEDGE?: Nearly half (43%) of those who completed the survey reported that the pandemic had led to a deterioration in their mental health.

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Delirious mania (the coexistence of delirium and mania) is described in the literature but not recognised in standard nosologies. We report a woman in her late 30s, with no psychiatric history, who presented with concurrent symptoms of mania and delirium. She was diagnosed with COVID-19 pneumonia (positive reverse transcription-PCR test).

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Coronavirus disease 2019 (COVID-19) was first recognised in December 2019. The subsequent pandemic has caused 4.3 million deaths and affected the lives of billions.

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Introduction: Long acting injectable (LAI) antipsychotics are commonly used in the treatment of schizophrenia to improve adherence and clinical outcomes. Concerns have been reported in relation to their non-systemic or injection site adverse effect profile. As such, this study aims to review and evaluate all evidence reporting injection site adverse effects with LAI antipsychotics.

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WHAT IS KNOWN ON THE SUBJECT?: Smoking is more common among people with serious mental illness, and it contributes to a reduced life expectancy. Several Western countries have successfully introduced smoke-free policies in inpatient mental health units. There is virtually no information about attitudes to smoking bans in mental health units from countries in the Middle East and North Africa region.

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Global COVID-19 pandemic containment necessitates understanding the risk of hesitance or resistance to vaccine uptake in different populations. The Middle East and North Africa currently lack vital representative vaccine hesitancy data. We conducted the first representative national phone survey among the adult population of Qatar, between December 2020 and January 2021, to estimate the prevalence and identify potential determinants of vaccine willingness: acceptance (strongly agree), resistance (strongly disagree), and hesitance (somewhat agree, neutral, somewhat disagree).

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Background: Dose reduction of antipsychotic maintenance treatment in individuals with schizophrenia could be desirable to minimise adverse effects, but evidence for this strategy is unclear. We aimed to compare risks and benefits of reduced versus standard doses of antipsychotics.

Methods: We searched Embase, Medline, PsycINFO, and the Cochrane Library from database inception until June 17, 2020, for randomised trials in adults with schizophrenia or schizoaffective disorder lasting at least 24 weeks, including individuals clinically stable at baseline, and comparing at least two doses of the same antipsychotic, excluding trials in first-episode psychosis or treatment-resistant schizophrenia.

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Background: Restless Legs Syndrome (RLS) is a sensorimotor disorder characterized by unpleasant and distressing sensations in the lower limbs that are more pronounced in the evening, commence or worsen at rest, and show partial or complete relief following movement. It can occur as a primary disorder, secondary to medical conditions or treatment with medications including but not limited to antidepressants or antipsychotics.

Case Presentation: A 32-year old man with major depressive disorder showed partial response to Escitalopram 10 mg daily.

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Most cases of stroke associated with coronavirus disease 2019 (COVID-19) occur during the course of a characteristic COVID-19 respiratory illness. We report three patients where the presenting feature of COVID-19 was stroke. Two patients had no respiratory symptoms throughout their clinical course.

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Background: Patients with schizophrenia are at least twice as likely to develop diabetes mellitus compared to the general population. This is of significance in Qatar given the high prevalence of obesity and diabetes. Furthermore, the lifespan of people with schizophrenia is shortened by approximately 15 years, partly due to long-term microvascular and macrovascular complications.

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A 30-year-old man with no significant previous or family psychiatric history became severely anxious about his health after a positive COVID-19 test. Physical symptoms of COVID-19 were mild, with no evidence of hypoxia or pneumonia, throughout his illness. He was admitted to a quarantine facility.

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Background: Reports of psychiatric morbidity associated with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection tend to be limited by geography and patients' clinical status. Representative samples are needed to inform service planning and research.

Aims: To describe the psychiatric morbidity associated with SARS-CoV-2 infection (confirmed by real-time polymerase chain reaction) in referrals to a consultation-liaison psychiatry service in Qatar.

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Background: Patients with a diagnosis of schizophrenia are at an increased risk for developing metabolic syndrome, which is associated with greater cardiovascular morbidity and mortality. Treatment with some commonly used antipsychotic medications may increase the risk of developing metabolic syndrome. The aim of the study was to evaluate the safety of lurasidone in patients who continued lurasidone or switched from risperidone to lurasidone.

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These updated guidelines from the British Association for Psychopharmacology replace the original version published in 2011. They address the scope and targets of pharmacological treatment for schizophrenia. A consensus meeting was held in 2017, involving experts in schizophrenia and its treatment.

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