Publications by authors named "C O Vianna"

Purpose: To evaluate the influence of late cholecystectomy following bariatric surgery on the postoperative evolution of weight loss and biochemical, metabolic, and micronutrient parameters.

Methods: A retrospective study that assessed 86 patients who underwent cholecystectomy after at least 18 months of bariatric surgery. The analyzed variables included demographic data, comorbidities, weight loss, and biochemical, metabolic, and micronutrient parameters.

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Article Synopsis
  • Brazil authorized the Astra Zeneca/Fiocruz vaccine in January 2021 and expanded booster recommendations by September 2021 due to the emergence of variants.
  • The study evaluates IgG antibody response after a third vaccine dose, comparing two initial dosing intervals of eight and 12 weeks in a phase IV clinical study.
  • Results showed a strong immune response in all age groups, with the third dose significantly increasing antibody levels, supporting Brazil's vaccination strategies against Covid-19.
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  • A study evaluated the long-term effectiveness of lower doses of the yellow fever vaccine, finding that even reduced doses can confer lasting immunity up to 10 years post-vaccination.
  • The research involved testing doses ranging from 27.476 IU down to 31 IU, with similar immune responses observed across most groups after 8 years.
  • Results indicated seropositivity rates of 83.1% to 93% among participants, supporting the idea that lower doses may still provide sufficient protection against yellow fever.
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Objective: This pilot study concerned evaluation of the success of predicted dental changes in patients presenting with Class I malocclusions who were submitted to treatment aligners, using the superimposition.

Methods: The digital models were superimposed and analyzed using 3DSlicer 5.0 software.

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Background: This study aims to compare the impact of pain on quality of life and patient satisfaction during treatment with aligners.

Methods: Ninety-four subjects in active treatment were invited to answer self-reported questions concerning pain severity and duration, occurrence of other signs and symptoms, and level of satisfaction with their treatment. Also, the OHIP-14 questionnaire was applied to assess patients' OHRQoL.

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