FERNANDO DOS SANTOS FERNANDES

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Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina - Médico

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  • article 16 Citação(ões) na Scopus
    What is the nonverbal communication of depression? Assessing expressive differences between depressive patients and healthy volunteers during clinical interviews
    (2018) FIQUER, Juliana Teixeira; MORENO, Ricardo Alberto; BRUNONI, Andre R.; BARROS, Vivian Boschesi; FERNANDES, Fernando; GORENSTEIN, Clarice
    Background: It is unclear if individuals with Major Depressive Disorder (MDD) present different nonverbal behavior (NVB) compared with healthy individuals, and also if depression treatments affect NVB. In this study, we compared the NVB of MDD subjects and healthy controls. We also verified how MDD subjects' NVB is affected by depression severity and acute treatments. Methods: We evaluated 100 MDD outpatients and 83 controls. We used a 21-category ethogram to assess the frequency of positive and negative NVB at baseline. MDD subjects were also assessed after eight weeks of treatment (pharmacotherapy or neuromodulation). We used the Wilcoxon signed-rank test to compare the NVB of MDD subjects and controls; beta regression models to verify associations between MDD severity and NVB; the Shapiro-Wilk test to verify changes in NVB after treatment; and logistic regression models to verify NVB associated with treatment response according to the Hamilton depression rating scale. Results: Compared with controls, MDD subjects presented higher levels of six negative NVB (shrug, head and lips down, adaptive hand gestures, frown and cry) and lower levels of two positive NVB (eye contact and smile). MDD subjects' NVB was not associated with depression severity, and did not significantly change after depression treatment. Treatment responders showed more interpersonal proximity at baseline than non-responders. Limitations: Our ethogram had no measure of behavior duration, and we had a short follow-up period. Conclusions: MDD subjects have more negative and less positive social NVB than controls. Their nonverbal behavior remained stable after clinical response to acute depression treatments.
  • article 6 Citação(ões) na Scopus
    Genetic polymorphisms of the 5HT receptors are not related with depression in temporal lobe epilepsy caused by hippocampal sclerosis
    (2018) VINCENTIIS, Silvia; ALCANTARA, Juliana; RZEZAK, Patricia; KERR, Daniel S.; GATTAZ, Wagner F.; LINDEN JR., Helio van der; SANTOS, Bernardo dos; MELO-SOUZA, Sebastiao E.; ARRUDA, Francisco; RAGAZZO, Paulo; CHAIM-AVANCINI, Tiffany; SERPA, Mauricio H.; FERNANDES, Fernando; MORENO, Ricardo A.; BUSATTO, Geraldo; ALESSI, Ruda; DEMARQUE, Renata; VALENTE, Kette D.
    Background: Temporal lobe epilepsy caused by hippocampal sclerosis (TLE-HS) is the most frequent form of drug-resistant epilepsy in adults. Mood disorders are the most frequent psychiatric comorbidities observed in these patients. Common pathophysiological mechanisms of epilepsy and psychiatric comorbidities include abnormalities in the serotonin pathway. The primary goal of this study was to determine the possible association between polymorphisms of genes encoding the serotonin receptors 5HT1A (rs6295), 5HT1B (rs6296), and 5HT2C (rs6318) and the presence of mood disorders in patients with TLE-HS. Our secondary goal was to evaluate the possible association between these variants and susceptibility to develop seizures in TLE-HS. Methods: We assessed 119 patients with TLE-HS, with and without psychiatric comorbidities; 146 patients with major depressive disorder; and 113 healthy volunteers. Individuals were genotyped for the rs6295, rs6296, and rs6318 polymorphisms. Results: No difference was observed between the group with TLE-HS, healthy controls, and the group with major depressive disorder without epilepsy regarding the polymorphisms that were evaluated. There was no correlation between rs6318, rs6295, rs6296, and epilepsy-related factors and history of psychiatric comorbidities. Conclusions: Our work suggests that the studied polymorphisms were not related to the presence of TLE, psychiatric comorbidities in TLE, and epilepsy-related factors.