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2.
S. Afr. fam. pract. (2004, Online) ; 0:0(0): 1-6, 2020. ilus
Artículo en Inglés | AIM (África) | ID: biblio-1269670

RESUMEN

This article reviews the association between diabetes mellitus (DM) and COVID-19. We report on the convergence of infectious diseases such as coronavirus infections and non-communicable diseases including DM. The mechanisms for the interaction between COVID-19 and DM are explored, and suggestions for the management of DM in patients with COVID-19 in South Africa are offered


Asunto(s)
COVID-19 , Diabetes Mellitus
3.
Am J Clin Nutr ; 81(3): 605-10, 2005 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-15755829

RESUMEN

BACKGROUND: Stunted children with cystic fibrosis (CF) have less net protein anabolism than do children without CF, and the result is retarded growth in the CF patients. It is not known whether protein intake above that recommended by the Cystic Fibrosis Foundation would further stimulate whole-body protein synthesis. OBJECTIVE: We studied the effects of 3 amounts of protein intake on whole-body protein synthesis and breakdown by using isotopic infusion of [1-(13)C]valine and [(15)N(2)]urea in children with stable CF who required tube feeding. DESIGN: In 8 pediatric CF patients, we administered 3 randomly allocated isocaloric diets with normal (NP), intermediate (IP), and high (HP) amounts of protein (1.5, 3, and 5 g . kg(-1) . d(-1), respectively) by continuous drip feeding during a 4-d period at 6-wk intervals. Each patient acted as his or her own control. On the fourth day of feeding, whole-body protein synthesis and breakdown were measured. RESULTS: Protein synthesis was significantly higher in the HP group (x +/- SEM: 1.78 +/- 0.07 micromol . kg(-1) . min(-1)) than in the IP (1.57 +/- 0.08 micromol . kg(-1) . min(-1); P=0.001) and NP (1.37 +/- 0.07 micromol . kg(-1) . min(-1); P < 0.001) groups. There were no significant differences in protein breakdown. Net retention of nitrogen was significantly higher in the HP group (12.93 +/- 1.42 micromol . kg(-1) . min(-1)) than in the IP (7.61 +/- 1.40 micromol . kg(-1) . min(-1); P=0.01) and HP (2.48 +/- 0.20 micromol . kg(-1) . min(-1); P < 0.001) groups. CONCLUSION: In stunted children with CF requiring tube feeding, the highest stimulation of whole-body protein synthesis was achieved with a short-term dietary protein intake of 5 g . kg(-1) . d(-1).


Asunto(s)
Estatura/efectos de los fármacos , Fenómenos Fisiológicos Nutricionales Infantiles , Fibrosis Quística/metabolismo , Proteínas en la Dieta/administración & dosificación , Biosíntesis de Proteínas , Estatura/fisiología , Isótopos de Carbono , Niño , Desarrollo Infantil , Estudios Cruzados , Fibrosis Quística/terapia , Relación Dosis-Respuesta a Droga , Femenino , Humanos , Masculino , Isótopos de Nitrógeno , Necesidades Nutricionales , Nutrición Parenteral , Estudios Prospectivos , Biosíntesis de Proteínas/efectos de los fármacos , Biosíntesis de Proteínas/fisiología , Proteínas/metabolismo , Urea/metabolismo , Valina/metabolismo
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