Navegando por Autor "Chaves, Katarina Melo"
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Artigo Efeito do uso crônico de Tobramicina sobre os níveis de glicose, HDL e triglicerídeos em ratos Wistar(Universidade Federal da Bahia - UFBA, 2010) Araujo, Aurigena Antunes de; Passos, Lara Beatriz Damasceno; Lima, Bruna Lais da Silva; Chaves, Katarina Melo; Alves, Maria Socorro Costa Feitosa; Soares, Luiz Alberto LiraObjetivou-se verificar as alterações sanguíneas da glicose, HDL e triglicerídeos com o uso crônico da Tobramicina. Trinta e dois ratos machos adultos linhagem Wistar com 300g foram divididos em dois grupos, um controle com salina e um grupo experimental, com tobramicina 4mg/kg. Para ambos os grupos a administração foi diária, única, durante um período de quatro semanas. A cada semana, um subgrupo era eutanasiado, com Tiopental sódico na dosagem 50mg/Kg e o sangue colhido para avaliação bioquímica. Para os testes, foram usados kits da BioTécnica. A leitura foi realizada no equipamento semiautomático BioPlus 2000. Para verificar as diferenças entre os grupos estudados foi utilizado o Teste t de Student com nível de significância de 5% no programa Graf Pad Install. Na avaliação dos níveis de glicose pode-se observar que na primeira, segunda e terceira semanas não houve diferença significativa entre os grupos. Na quarta semana, houve uma diferença significativa entre os dois grupos (p<0,01). Em relação aos níveis séricos de HDL, não houve diferença significativa entre o grupo teste e o grupo controle da primeira semana. Nas três semanas seguintes, podem-se verificar diferenças significativas com relação ao grupo controle (p<0,05; p<0,01). Quanto aos níveis de triglicerídeos nas três primeiras semanas não houve diferença significativa. Na quarta semana, houve uma diferença significativa entre os dois grupos (p<0,01). Os achados deste estudo corroboram a literatura em relação à redução dos níveis plasmáticos de glicose e HDL em doenças renais, assim como, a elevação dos níveis séricos de triglicerídeos, que também foram encontrados neste estudo.Artigo Factors associated with expression of extrapyramidal symptoms in users of atypical antipsychotics(Springer Berlin Heidelberg, 2016-11-26) Araújo, Aurigena Antunes de; Ribeiro, Susana Barbosa; Medeiros, Caroline Addison Xavier; Chaves, Katarina Melo; Alves, Maria do Socorro Costa Feitosa; Oliveira, Antonio Gouveia; Martins, Rand RandallPurpose The aim of this study was to investigate factors associated with the occurrence of extrapyramidal symptoms (EPS) in users of second-generation antipsychotics (SGA). Methods Observational cross-sectional study based on a random sample of subjects from three outpatient clinics. Inclusion criteria were age between 18 and 65 years, of both genders, with a diagnosis of schizophrenia and under the use of a single SGA agent. Subjects who had received i.m. long-acting antipsychotics in the past were excluded. The families of eligible patients were contacted by phone and, if willing to participate in the study, a household visit was scheduled. Informed consent was obtained from all study subjects and their next of kin. The risk of EPS associated with sociodemographic, clinical features and medications used was analyzed by logistic regression. Results The study population consisted of 213 subjects. EPS were observed in 38.0% of subjects. The more commonly used SGA were olanzapine (76, 35.7%), risperidone (74, 34.3%), quetiapine (26, 12.2%), and ziprasidone (23, 10.8%). Among the drugs used as adjunctive therapy for schizophrenia, benzodiazepines were the most prevalent (31.5%), followed by carbamazepine (24.4%) and antidepressants (20.2%). Multivariate analysis showed that the risk of EPS was associated with the use of carbamazepine (odds ratio 3.677, 95% CI 1.627–8.310). We found no evidence that the type of SGA modified the risk of EPS. Conclusion The occurrence of EPS in SGA users is a common finding, with no difference of antipsychotics studied in relation to the risk of extrapyramidal manifestations. The adjunctive use of carbamazepine may predispose the user of SGA to the occurrence of EPS.Artigo Quality of life and adverse effects of olanzapine versus risperidone therapy in patients with schizophrenia(Springer, 2012-07-18) Araújo, Aurigena Antunes de; Chaves, Katarina Melo; Serrano-Blanco, Antoni; Ribeiro, Susana Barbosa; Soares, Luiz Alberto Lira; Guerra, Gerlane Coelho Bernardo; Alves, Maria do Socorro Costa Feitosa; Araújo Júnior, Raimundo Fernandes de; Rachetti, Vanessa de Paula Soares; Filgueira Júnior, AntônioThis cross-sectional study aimed to compare the effects of treatment with an atypical antipsychotic drug (olanzapine or risperidone) on quality of life (QoL) and to document adverse effects in 115 patients diagnosed with schizophrenia who attended the ambulatory service of Hospital Dr. João Machado, Natal, Rio Grande do Norte, Brazil. Socioeconomic, sociodemographic, and clinical variables were compared. The QoL Scale validated for Brazil (QLS-BR) was used to evaluate QoL, and adverse effects were assessed using the Udvalg for Kliniske Undersøgelser Side Effect Rating Scale. Data were analyzed using the χ2 test and Student’s t test, with a significance level of 5 %. Patients in both drug groups showed severe impairment in the occupational domain of the QLS-BR. Global QLS-BR scores indicated impairment among risperidone users and severe impairment among olanzapine users. The most significant side effects were associated with risperidone, including asthenia/lassitude/fatigue, somnolence/sedation, paresthesia, change in visual accommodation, increased salivation, diarrhea, orthostatic posture, palpitations/tachycardia, erythema, photosensitivity, weight loss, galactorrhea, decreased sexual desire, erectile/orgasmic dysfunction, vaginal dryness, headache, and physical dependence. QoL was impaired in patients using olanzapine and in those using risperidone. Risperidone use was associated with psychic, neurological, and autonomous adverse effects and other side effects.Artigo Quality of Life in Patients with Schizophrenia: The Impact of Socio-economic Factors and Adverse Effects of Atypical Antipsychotics Drugs(Springer Science, 2014-05-01) Araújo, Aurigena Antunes de; Dantas, Diego de Araújo; Nascimento, Gemma Galgani do; Ribeiro, Susana Barbosa; Chaves, Katarina Melo; Silva, Vanessa de Lima; Araújo Jr., Raimundo Fernandes de; Souza, Dyego Leandro Bezerra de; Medeiros, Caroline Addison Carvalho Xavier deThis cross-sectional study compared the effects of treatment with atypical antipsychotic drugs on quality of life (QoL) and side effects in 218 patients with schizophrenia attending the ambulatory services of psychiatric in Rio Grande do Norte, Brazil. Socio-economic variables were compared. The five-dimension EuroQoL (EQ-5D) was used to evaluate QoL, and side effects were assessed using the Udvalg for Kliniske Undersøgelser (UKU) Side Effect Rating Scale and the Simpson–Angus Scale. Data were analysed using the χ 2 test and Student’s t test, with a significance level of 5 %. Average monthly household incomes in the medication groups were 1.1–2.1 minimum wages ($339–$678). UKU Scale scores showed significant differences in side effects, mainly, clozapine, quetiapine and ziprasidone (p < 0.05). EQ-5D scores showed that all drugs except olanzapine significantly impacted mobility (p < 0.05), and proportions of individuals reporting problems in other dimensions were high: 63.6 % of clozapine users reported mobility problems, 63.7 and 56.3 % of clozapine and ziprasidone users, respectively, had difficulties with usual activities, 68.8 and 54.5 % of ziprasidone and clozapine users, respectively, experienced pain and/or discomfort, and 72.8 % of clozapine users reported anxiety and/or depression. Psychiatric, neurological, and autonomous adverse effects, as well as other side effects, were prevalent in users of atypical antipsychotic drugs, especially clozapine and ziprasidone. Olanzapine had the least side effects. QoL was impacted by side effects and economic conditions in all groups. Thus, the effects of these antipsychotic agents appear to have been masked by aggravating social and economic situations.