3 research outputs found

    Fotobiomodulação na prevenção e tratamento de sintomas neurológicos decorrentes da COVID-19: perspectivas a partir da literatura científica / Photobiomodulation in the prevention and treatment of neurological symptoms arising from COVID-19: perspectives from scientific literature

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    A pandemia por COVID-19 trouxe muitas perguntas, mas poucas apresentam respostas. Médicos e pesquisadores afirmam que o vírus causa uma reação exagerada do sistema imunológico conhecida como "tempestade de citocinas”. Sabe-se do alto tropismo do vírus pelo aparelho respiratório, mas sintomas neurológicos também são relatados em pacientes infectados. A fotobiomodulação (PBM) refere-se ao uso de lasers para modular uma função biológica. Buscou-se levantar informações a partir de bancos de dados científicos e analisar se a PBM pode ser utilizada como ferramenta para prevenção e tratamento de sintomas neurológicos consequentes da infecção pela COVID-19. Os autores pesquisaram no PubMed, MEDLINE, BVS, LILACS e Scielo artigos sobre fotobiomodulação e efeitos do COVID-19 no Sistema Nervoso. Os descritores utilizados foram "Photobiomodulation","COVID-19","neurological damage", "neurological disease", "neurological impacts" e “Neurological effects”. Foram encontrados 85 artigos na base PubMED e LILACS. As outras plataformas não apresentaram dados. Trabalhos com mais de 15 anos de publicação e que não estavam disponibilizados para acesso na íntegra foram excluídos. 46 trabalhos foram analisados,  incluindo-se no estudo apenas artigos inéditos ou de revisão. Observou-se que a PBM vem sendo estudada em variados cenários de patologias neurológicas com apresentações clínicas diversas, que perpassam desde os distúrbios da cognição e emoção, metabolismo, inflamação e fluxo sanguíneo cerebral, até os traumas e a performance motora. No entanto, nenhum dos artigos trazem relação direta da PBM com o tratamento ou prevenção de sintomas neurológicos decorrentes de infecção por COVID-19. Utilizar a PBM pode funcionar como uma nova janela terapêutica para a prevenção e tratamento de pacientes com COVID-19, evitando infecções crônicas no SN e danos neurológicos maiores a longo prazo

    Mortality and pulmonary complications in patients undergoing surgery with perioperative SARS-CoV-2 infection: an international cohort study

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    Background: The impact of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on postoperative recovery needs to be understood to inform clinical decision making during and after the COVID-19 pandemic. This study reports 30-day mortality and pulmonary complication rates in patients with perioperative SARS-CoV-2 infection. Methods: This international, multicentre, cohort study at 235 hospitals in 24 countries included all patients undergoing surgery who had SARS-CoV-2 infection confirmed within 7 days before or 30 days after surgery. The primary outcome measure was 30-day postoperative mortality and was assessed in all enrolled patients. The main secondary outcome measure was pulmonary complications, defined as pneumonia, acute respiratory distress syndrome, or unexpected postoperative ventilation. Findings: This analysis includes 1128 patients who had surgery between Jan 1 and March 31, 2020, of whom 835 (74·0%) had emergency surgery and 280 (24·8%) had elective surgery. SARS-CoV-2 infection was confirmed preoperatively in 294 (26·1%) patients. 30-day mortality was 23·8% (268 of 1128). Pulmonary complications occurred in 577 (51·2%) of 1128 patients; 30-day mortality in these patients was 38·0% (219 of 577), accounting for 81·7% (219 of 268) of all deaths. In adjusted analyses, 30-day mortality was associated with male sex (odds ratio 1·75 [95% CI 1·28–2·40], p\textless0·0001), age 70 years or older versus younger than 70 years (2·30 [1·65–3·22], p\textless0·0001), American Society of Anesthesiologists grades 3–5 versus grades 1–2 (2·35 [1·57–3·53], p\textless0·0001), malignant versus benign or obstetric diagnosis (1·55 [1·01–2·39], p=0·046), emergency versus elective surgery (1·67 [1·06–2·63], p=0·026), and major versus minor surgery (1·52 [1·01–2·31], p=0·047). Interpretation: Postoperative pulmonary complications occur in half of patients with perioperative SARS-CoV-2 infection and are associated with high mortality. Thresholds for surgery during the COVID-19 pandemic should be higher than during normal practice, particularly in men aged 70 years and older. Consideration should be given for postponing non-urgent procedures and promoting non-operative treatment to delay or avoid the need for surgery. Funding: National Institute for Health Research (NIHR), Association of Coloproctology of Great Britain and Ireland, Bowel and Cancer Research, Bowel Disease Research Foundation, Association of Upper Gastrointestinal Surgeons, British Association of Surgical Oncology, British Gynaecological Cancer Society, European Society of Coloproctology, NIHR Academy, Sarcoma UK, Vascular Society for Great Britain and Ireland, and Yorkshire Cancer Research
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