Publications by authors named "Osvaldo Melgarejo"

Background: Paraguay has recently experienced an exponential increase in chikungunya cases, leading to psychological distress, particularly anxiety.

Aim: To develop and validate the Chikungunya Anxiety Scale (CHIKAS).

Materials And Methods: An initial scale of 18 items was used, which was subjected to validation by expert judgment to obtain 14 items.

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Background: Positive mental health includes not only the absence of mental disorders but also the presence of subjective well-being, good coping strategies for life stress, and strategies for adapting to community life. It is well known that the COVID-19 pandemic has challenged mental health in general population worldwide. However, research has not measured protective factors for mental health in the general population after the declared end of pandemic by the World Health Organization.

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The COVID-19 pandemic has had a heavy impact on daily life, leading to physical and psychosocial consequences. Nowadays, clinicians and health researchers are particularly interested in describing and facing the long-term effects of COVID-19, also known as "long-COVID syndrome". Pandemic fatigue has been defined as a cluster of demotivation, tiredness, and psychological effects that emerge gradually over time after the infection or through the adoption of the recommended measures to combat it.

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Background: Several authors have pointed out that the use of smartphones might have an impact on mental health in general. Most of the evidences are focused on the incorrect or overblown use of smartphones, videogame or Internet, particularly focusing on related addiction problems among adolescents.

Objective: The present study, although preliminary, aims to report the first evidence in Paraguay regarding the association between anxiety and addiction to social networks/internet as well as the use of smartphones among adolescents.

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Background: Although technologies (including information, e-learning, and communication) have been daily employed by University students in the last years, the COVID-19 pandemic has led to a considerable increase in their use. Technostress is a modern term referring to levels of stress caused by the prolonged exposure to technology.

Aim: The aim of this study is to assess the technostress and related anxiety and depression among Paraguayan University students, describing their sociodemographic characteristics and relevant associations.

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Background: Alopecia Areata (AA) is an autoimmune dermatological disease that could be influenced by psychological factors as part of the pathophysiology of the illness.

Aims: This review article aims to report on psychodermatological and psychopathological aspects involved in the etiopathogenesis and comorbidities of AA, as well as on the psychiatric and psychological management of affected patients.

Methods: We conducted a literature search on PubMed and Google Scholar from January 1980 to May 2021 employing the search terms of alopecia areata, psychological factors, psychological impact, psychodermatology, and psychopathology.

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The role of psychotropic drugs in psychodermatology is still debatable, due to the quality of the evidence that supports it. There are several case reports and open trials with variable results. There is an additional difficulty in finding therapists trained in effective psychotherapy techniques, justify the need for more research on the available pharmacological options.

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