52 research outputs found

    Sensitivity to parenting in adolescents with callous/unemotional traits: Observational and experimental findings

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    Children and adolescents with callous-unemotional (CU) traits have been distinguished as a subset of individuals with disruptive behavioral disorders who may be less sensitive to parenting influence; we test this hypothesis using multiple methods and assessment paradigms. Two hundred seventy-one adolescents (mean age 12.6 years) from 3 samples at elevated risk for disruptive behavior disorders were studied. Symptoms of CU behavior were derived from standard questionnaire; assessments of behavioral adjustment were derived from clinical interview with parent, and parent-report, teacher-report, and self-report questionnaire. Parent–child relationship quality was based on observational assessments in which adolescent and parent behaviors were rated in 3 interaction tasks: (a) low conflict planning task; (b) problem-solving conflict task; (c) puzzle challenge task; parent interview and parent-report and child-report questionnaires of parenting were also assessed. Results indicated that the associations between parent–child relationship quality and behavioral adjustment were comparable in adolescents with and without CU traits. More notably, observational data indicated that adolescents with elevated CU traits showed comparatively greater within-individual variability in observed angry/irritable behavior across interaction tasks, suggesting greater sensitivity to and emotional dysregulation in challenging interpersonal contexts. The findings suggest that adolescents with CU are not less sensitive to parental influence and may in contrast show greater context-sensitive disturbances in emotional regulation. The results have implications for family-based assessment and treatment for adolescents with disruptive behavior disorders

    Use of miltefosine in the treatment of visceral leishmaniasis in children at a tertiary care hospital of Karachi

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    Existing standard treatment options for visceral leishmaniasis are less than optimal. We report here the use of oral miltefosine in the treatment of two paediatric cases of visceral leishmaniasis at a tertiary care hospital in Karachi, Pakistan. One patient came from Balochistan while the second patient was from Northern Pakistan. Both presented with a prolonged history of fever, massive hepatosplenomegaly, anaemia and thrombocytopenia. Visceral leishmaniasis was diagnosed with bone marrow studies. Amphotericin B was first started in the first patient; however severe hypokalaemia and allergic reaction occurred. Oral miltefosine was then administered. The child showed clinical improvement with regards to signs of leishmania infection but succumbed to a nosocomial infection during the hospital stay. In the second patient, miltefosine was started in the first instance. He showed remarkable clinical improvement. At 2 months follow-up, the child showed adequate weight gain along with successful resolution of hepatosplenomegaly and fever. Miltefosine has the potential to be considered a first line therapy for visceral leishmaniasis in developing countries; however larger studies are warranted to validate the trends observed in this small case series

    Cool and hot executive functions at 5-years-old as predictors of physical and relational aggression between 5- and 6-years-old

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    To study the role of executive function (EF) in the early development of aggression, the role of cool and hot EF skills at 5 years-old in the development of physical and relational aggression between 5 and 6 years-old was explored. Typically-developing children (N = 80) completed tasks assessing their cool (inhibition, working memory, planning) and hot EF (affective decision making, delay of gratification) skills at 5-years-old. Longitudinal data were collected from teachers that rated children’s aggression when they were 5-, 5.5- and 6-years-old. Inhibitory control at 5-years-old predicted changes in physical and relational aggression between 5- and 6-years old. Early cool EF, but not hot EF, may therefore be associated with aggression and inhibitory control specifically with changes in aggression during early childhood

    Comparative bioavailability analysis of oral alendronate sodium formulations in Pakistan

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    Alendronate sodium, a bisphosphonate drug, it is used to treat osteoporosis and other bone diseases. The present study was designed to conduct comparative bioavailability analysis of oral formulations of alendronate sodium through an open-label, randomized, 2-sequence, 2-period crossover study. Healthy adult male Pakistani volunteers received a single 70 mg dose of the test or reference formulation of alendronate sodium followed by a 7 day washout period. Plasma drug concentrations were determined using a validated HPLC post column fluorescence derivatization method. AUC0-t, AUC0-8, Cmax and Tmax were determined by non-compartmental analysis and were found within the permitted range of 80% to 125% set by the US Food and Drug Administration (FDA). Results show that both in vitro and in vivo assays of all test brands were within the specification of the US Pharmacopoeial limits and were statistically bioequivalent. No adverse events were reported in this study
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