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1.
J Public Health (Oxf) ; 46(2): 256-266, 2024 May 29.
Artigo em Inglês | MEDLINE | ID: mdl-38291897

RESUMO

BACKGROUND: efficacy of therapeutic cholecalciferol supplementation for severe COVID-19 is sparingly studied. OBJECTIVE: effect of single high-dose cholecalciferol supplementation on sequential organ failure assessment (SOFA) score in moderate-to-severe COVID-19. METHODS: participants with moderate to severe COVID-19 with PaO2/FiO2 ratio < 200 were randomized to 0.6 million IU cholecalciferol oral (intervention) or placebo. OUTCOMES: primary outcome was change in Day 7 SOFA score and pre-specified secondary outcomes were SOFA and 28-day all-cause mortality. RESULTS: in all, 90 patients (45 each group) were included for intention-to-treat analysis. 25(OH)D3 levels were 12 (10-16) and 13 (12-18) ng/ml (P = 0.06) at baseline; and 60 (55-65) ng/ml and 4 (1-7) ng/ml by Day 7 in vitamin D and placebo groups, respectively. The SOFA score on Day 7 was better in the vitamin D group [3 (95% CI, 2-5) versus 5 (95% CI, 3-7), P = 0.01, intergroup difference - 2 (95% CI, -4 to -0.01); r = 0.4]. A lower all-cause 28-day mortality [24% compared to 44% (P = 0.046)] was observed with vitamin D. CONCLUSIONS: single high-dose oral cholecalciferol supplementation on ICU admission can improve SOFA score at Day 7 and reduce in-hospital mortality in vitamin D-deficient COVID-19. ClinicalTrials.gov  id: NCT04952857 registered dated 7 July 2021. What is already known on this topic-vitamin D has immunomodulatory role. Observational and isolated intervention studies show some benefit in COVID-19. Targeted therapeutic vitamin D supplementation improve outcomes in severe COVID-19 is not studied in RCTs. What this study adds-high-dose vitamin D supplementation (0.6 Million IU) to increase 25(OH)D > 50 ng/ml is safe and reduces sequential organ failure assessment score, in-hospital mortality in moderate to severe COVID-19. How this study might affect research, practice or policy-vitamin D supplementation in vitamin D-deficient patients with severe COVID-19 is useful may be practiced.


Assuntos
COVID-19 , Colecalciferol , SARS-CoV-2 , Deficiência de Vitamina D , Humanos , Masculino , Feminino , Método Duplo-Cego , Pessoa de Meia-Idade , COVID-19/mortalidade , COVID-19/complicações , Deficiência de Vitamina D/tratamento farmacológico , Deficiência de Vitamina D/complicações , Colecalciferol/administração & dosagem , Colecalciferol/uso terapêutico , Idoso , Vitamina D/sangue , Vitaminas/uso terapêutico , Vitaminas/administração & dosagem , Escores de Disfunção Orgânica , Suplementos Nutricionais , Infecções por Coronavirus/tratamento farmacológico , Infecções por Coronavirus/mortalidade , Tratamento Farmacológico da COVID-19 , Pandemias , Adulto , Resultado do Tratamento , Pneumonia Viral/tratamento farmacológico , Pneumonia Viral/mortalidade , Índice de Gravidade de Doença , Betacoronavirus
2.
Neurol India ; 68(1): 141-145, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32129263

RESUMO

INTRODUCTION: Hyperosmotic agents are used to decrease intracranial pressure (ICP). We aim to compare the effect of euvolemic solutions of 3% hypertonic saline (HTS) and 20% mannitol on intraoperative brain relaxation in patients with clinical or radiological evidence of raised ICP undergoing surgery for supratentorial tumors. MATERIALS AND METHODS: A.prospective double-blind study was conducted on 30 patients randomized into two equal groups. Each patient was administered 5 ml/kg of either 20% mannitol or 3% HTS over 15 minutes (min) after skin incision. Hemodynamic data, brain relaxation and serum electrolyte levels were recorded. RESULTS: Intraoperative brain relaxation was comparable between the two groups. There was a statistically significant difference in the mean arterial pressures (MAPs) between the two groups after one minutes (min) with a greater degree of decrease in blood pressure recorded in the mannitol group (P = 0.041). MAP with mannitol was significantly lower than the preinduction value after 75 min of administration of drug (P = 0.003). Urine output was significantly higher in the mannitol group (P = 0.00). Administration of HTS was associated with a transient increase in serum sodium concentrations, which was statistically significant but returned to normal within 48 h (P < 0.001). CONCLUSIONS: Both mannitol and HTS provided adequate intraoperative brain relaxation. On the contrary, there was no statistically significant fall in blood pressure with HTS. Thus, we advocate the use of HTS over mannitol as it maintains better hemodynamic stability.


Assuntos
Encéfalo/cirurgia , Hipertensão Intracraniana/terapia , Manitol/uso terapêutico , Neoplasias Supratentoriais/cirurgia , Adulto , Feminino , Hemodinâmica/fisiologia , Humanos , Hipertensão Intracraniana/etiologia , Pressão Intracraniana , Masculino , Pessoa de Meia-Idade , Procedimentos Neurocirúrgicos , Estudos Prospectivos , Solução Salina Hipertônica/farmacologia , Neoplasias Supratentoriais/complicações
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