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Papers by João sousa Batista

Revista Do Colegio Brasileiro De Cirurgioes, Jun 1, 2003

Frontiers in Psychology

BackgroundThere are a plethora of studies on expressive writing and positive writing intervention... more BackgroundThere are a plethora of studies on expressive writing and positive writing interventions, but few have addressed the combination of both paradigms. Additionally, research on the role of ambivalence toward change in the context of writing-based interventions is lacking. Ambivalence toward change is a natural movement of approaching and avoiding change that may occur in various situations. In psychotherapy, its resolution is associated with successful outcomes.AimThis study tested the efficacy of a combination of expressive and positive writing paradigms in an internet-based intervention to improve university students’ mental health. Additionally, focusing participants on a current, unresolved problem allowed us to explore the possible role of ambivalence toward change as a mediator of the intervention’s results.MethodsWe recruited 172 participants who were randomly divided into experimental (n = 85) and control (n = 87) groups. The intervention consisted of the identificati...

O presente artigo tem como meta demonstrar como o cristianismo expressa a essencia humana atraves... more O presente artigo tem como meta demonstrar como o cristianismo expressa a essencia humana atraves de seus simbolos sagrados. Serao destacados dois momentos distintos em A Essencia do Cristianismo (1841) de Ludwig Feuerbach (1804-1872). O primeiro e marcado com o que ha de positivo na religiao e o segundo com o que ha de negativo. Inicialmente sera exposto o que a religiao crista expressa de verdadeiro, isto e, o desvelamento antropologico. Em seguida sera demonstrado como o cristianismo aliena o homem de sua propria essencia. Assim, concluir-se-a com a proposta etica esbocada por Feuerbach a partir da negacao da religiao.

Revista do Colégio Brasileiro de Cirurgiões, 2003

OBJETIVO: Avaliar os resultados da esofagectomia trans-hiatal no tratamento do megaesôfago chagás... more OBJETIVO: Avaliar os resultados da esofagectomia trans-hiatal no tratamento do megaesôfago chagásico avançado. MÉTODO: Foram estudados retrospectivamente 28 pacientes portadores de megaesôfago chagásico avançado (MCA), graus III e IV, segundo a classificação radiológica de Rezende (adotada pela Organização Mundial de Saúde), e que foram submetidos à esofagectomia subtotal trans-hiatal no Serviço de Clínica Cirúrgica do Hospital Universitário Prof. Alberto Antunes (HUPAA) da Universidade Federal de Alagoas, entre 1982 e 2000. Foram analisadas, as seguintes variáveis: A) Queixas clínicas pré-operatórias versus as pós-operatórias (disfagia, regurgitação, pirose, diarréia, dumping, plenitude pós-prandial, pneumonia e o estado ponderal). B) avaliação radiológica pós-operatória da boca anastomótica esofagogástrica cervical e do estômago transposto. C) avaliação endoscópica pós-operatória do coto esofágico e da boca anastomótica. RESULTADOS: O seguimento variou de 4 a 192 meses, média de 5...

High power piezoelectric transducers have been used in the ultrasonic cutting and welding of ther... more High power piezoelectric transducers have been used in the ultrasonic cutting and welding of thermoplastic textiles. The acoustical energy generated by a sandwich type power transducer is transferred to an wide blade-shaped horn through an acoustic amplifier. The transmission efficiency depends on the transducer and the horn assembly vibrational behavior. This paper presents a finite element analysis of a high power piezoelectric transducer used in ultrasonic cutting and welding of thermoplastic textiles. The transducer itself is analysed using an axisymmetric model. The acoustic amplifier and the wide horn are analyzed using a 3D model. The values of resonance and anti-resonance frequencies, electrical impedance and electromechanical coupling factor analyzed. The simulation has shown that increasing of the number of piezoceramics on the transducer configuration increases its electromechanical coupling factor and reduces its electrical impedance. The theoretical results are compared...

Anais Estendidos do Simpósio de Realidade Virtual e Aumentada (SVR Estendido 2020)

Well drilling is one of the most expensive tasks in oilfield exploration and development projects... more Well drilling is one of the most expensive tasks in oilfield exploration and development projects, especially in offshore assets. Thus, this activity is under constant evolution, given that any improvement in equipment or process can result in significant savings for the company operating that field. Meanwhile, virtual reality (VR) is one of the vital industry 4.0 trends to enable simulations and training safely for users. This work aims to provide a new tool to increase the drilling team’s efficiency by recreating drilling visualizations in a virtual environment. This environment enables training, evaluating, and simulating different scenarios in a well drilling and provide realtime insights to the engineers when coupled with other diagnostics tools.

Counselling and Psychotherapy Research

Arquivos de Gastroenterologia, 2016

Background Anal sphincter tone is routinely assessed by digital rectal examination in patients wi... more Background Anal sphincter tone is routinely assessed by digital rectal examination in patients with fecal incontinence, although its accuracy in detecting sphincter defects or separating competent from incompetent muscles has not been established. Objective In this setting, we aimed to evaluate the accuracy of digital rectal examination in grading anal defects in order to separate small from extensive cases as depicted on 3D endoanal ultrasound, using a scoring sphincter defect and correlate anal tone to anal pressures. Methods Women with fecal incontinence were divided into two groups: small or extensive defects according to the ultrasound scoring system. Sensitivity, specificity, positive and negative predictive values of digital rectal examination in grading global and external sphincter defects were calculated. Anal tone at digital rectal examination was compared to resting and incremental pressures. Results A cohort of 76 consecutive incontinent women were enrolled. The median ...

Revista Do Colegio Brasileiro De Cirurgioes, Jun 1, 2003

Frontiers in Psychology

BackgroundThere are a plethora of studies on expressive writing and positive writing intervention... more BackgroundThere are a plethora of studies on expressive writing and positive writing interventions, but few have addressed the combination of both paradigms. Additionally, research on the role of ambivalence toward change in the context of writing-based interventions is lacking. Ambivalence toward change is a natural movement of approaching and avoiding change that may occur in various situations. In psychotherapy, its resolution is associated with successful outcomes.AimThis study tested the efficacy of a combination of expressive and positive writing paradigms in an internet-based intervention to improve university students’ mental health. Additionally, focusing participants on a current, unresolved problem allowed us to explore the possible role of ambivalence toward change as a mediator of the intervention’s results.MethodsWe recruited 172 participants who were randomly divided into experimental (n = 85) and control (n = 87) groups. The intervention consisted of the identificati...

O presente artigo tem como meta demonstrar como o cristianismo expressa a essencia humana atraves... more O presente artigo tem como meta demonstrar como o cristianismo expressa a essencia humana atraves de seus simbolos sagrados. Serao destacados dois momentos distintos em A Essencia do Cristianismo (1841) de Ludwig Feuerbach (1804-1872). O primeiro e marcado com o que ha de positivo na religiao e o segundo com o que ha de negativo. Inicialmente sera exposto o que a religiao crista expressa de verdadeiro, isto e, o desvelamento antropologico. Em seguida sera demonstrado como o cristianismo aliena o homem de sua propria essencia. Assim, concluir-se-a com a proposta etica esbocada por Feuerbach a partir da negacao da religiao.

Revista do Colégio Brasileiro de Cirurgiões, 2003

OBJETIVO: Avaliar os resultados da esofagectomia trans-hiatal no tratamento do megaesôfago chagás... more OBJETIVO: Avaliar os resultados da esofagectomia trans-hiatal no tratamento do megaesôfago chagásico avançado. MÉTODO: Foram estudados retrospectivamente 28 pacientes portadores de megaesôfago chagásico avançado (MCA), graus III e IV, segundo a classificação radiológica de Rezende (adotada pela Organização Mundial de Saúde), e que foram submetidos à esofagectomia subtotal trans-hiatal no Serviço de Clínica Cirúrgica do Hospital Universitário Prof. Alberto Antunes (HUPAA) da Universidade Federal de Alagoas, entre 1982 e 2000. Foram analisadas, as seguintes variáveis: A) Queixas clínicas pré-operatórias versus as pós-operatórias (disfagia, regurgitação, pirose, diarréia, dumping, plenitude pós-prandial, pneumonia e o estado ponderal). B) avaliação radiológica pós-operatória da boca anastomótica esofagogástrica cervical e do estômago transposto. C) avaliação endoscópica pós-operatória do coto esofágico e da boca anastomótica. RESULTADOS: O seguimento variou de 4 a 192 meses, média de 5...

High power piezoelectric transducers have been used in the ultrasonic cutting and welding of ther... more High power piezoelectric transducers have been used in the ultrasonic cutting and welding of thermoplastic textiles. The acoustical energy generated by a sandwich type power transducer is transferred to an wide blade-shaped horn through an acoustic amplifier. The transmission efficiency depends on the transducer and the horn assembly vibrational behavior. This paper presents a finite element analysis of a high power piezoelectric transducer used in ultrasonic cutting and welding of thermoplastic textiles. The transducer itself is analysed using an axisymmetric model. The acoustic amplifier and the wide horn are analyzed using a 3D model. The values of resonance and anti-resonance frequencies, electrical impedance and electromechanical coupling factor analyzed. The simulation has shown that increasing of the number of piezoceramics on the transducer configuration increases its electromechanical coupling factor and reduces its electrical impedance. The theoretical results are compared...

Anais Estendidos do Simpósio de Realidade Virtual e Aumentada (SVR Estendido 2020)

Well drilling is one of the most expensive tasks in oilfield exploration and development projects... more Well drilling is one of the most expensive tasks in oilfield exploration and development projects, especially in offshore assets. Thus, this activity is under constant evolution, given that any improvement in equipment or process can result in significant savings for the company operating that field. Meanwhile, virtual reality (VR) is one of the vital industry 4.0 trends to enable simulations and training safely for users. This work aims to provide a new tool to increase the drilling team’s efficiency by recreating drilling visualizations in a virtual environment. This environment enables training, evaluating, and simulating different scenarios in a well drilling and provide realtime insights to the engineers when coupled with other diagnostics tools.

Counselling and Psychotherapy Research

Arquivos de Gastroenterologia, 2016

Background Anal sphincter tone is routinely assessed by digital rectal examination in patients wi... more Background Anal sphincter tone is routinely assessed by digital rectal examination in patients with fecal incontinence, although its accuracy in detecting sphincter defects or separating competent from incompetent muscles has not been established. Objective In this setting, we aimed to evaluate the accuracy of digital rectal examination in grading anal defects in order to separate small from extensive cases as depicted on 3D endoanal ultrasound, using a scoring sphincter defect and correlate anal tone to anal pressures. Methods Women with fecal incontinence were divided into two groups: small or extensive defects according to the ultrasound scoring system. Sensitivity, specificity, positive and negative predictive values of digital rectal examination in grading global and external sphincter defects were calculated. Anal tone at digital rectal examination was compared to resting and incremental pressures. Results A cohort of 76 consecutive incontinent women were enrolled. The median ...