{"id":10807,"date":"2018-01-31T19:26:00","date_gmt":"2018-01-31T21:26:00","guid":{"rendered":"https:\/\/nutritotal.com.br\/pro?p=10807"},"modified":"2023-05-31T15:19:53","modified_gmt":"2023-05-31T18:19:53","slug":"o-que-a-quociente-respirata-rio","status":"publish","type":"post","link":"https:\/\/nutritotal.com.br\/pro\/o-que-a-quociente-respirata-rio\/","title":{"rendered":"O que \u00e9 quociente respirat\u00f3rio?"},"content":{"rendered":"

O quociente respirat\u00f3rio (QR) quantifica a utiliza\u00e7\u00e3ode substratos energ\u00e9ticos, carboidrato, prote\u00edna e lip\u00eddeos, na produ\u00e7\u00e3o deenergia, permitindo a adequa\u00e7\u00e3o da terapia nutricional do paciente de formamais precisa. \u00c9 realizado atrav\u00e9s da calorimetria indireta (CI), m\u00e9todo queestima o gasto energ\u00e9tico a partir das trocas dos gases (CO2<\/sub> e O2<\/sub>)nos pulm\u00f5es.<\/p>\n

Para medir o QR, considera-se o n\u00famero demol\u00e9culas de di\u00f3xido de carbono (VCO2<\/sub>) produzidas por mol\u00e9cula deoxig\u00eanio (VO2<\/sub>) consumidas (VCO2<\/sub>\/VO2<\/sub>), essaraz\u00e3o varia de 0,7 a 1,0 e pode ser interpretada como mostra a tabela abaixo:<\/p>\n

 <\/p>\n

Diferentes valores de quociente respirat\u00f3rio nometabolismo de macronutrientes<\/p>\n\n\n\n\n\n\n\n
\n

Valor de QR<\/b><\/p>\n<\/td>\n

\n

Interpreta\u00e7\u00e3o do resultado<\/b><\/p>\n<\/td>\n

\n

Conduta<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

> 1,0<\/p>\n<\/td>\n

\n

Superalimenta\u00e7\u00e3o<\/p>\n<\/td>\n

\n

Reduzir calorias totais<\/p>\n<\/td>\n<\/tr>\n

\n

0,90 a 1,00<\/p>\n<\/td>\n

\n

Oxida\u00e7\u00e3o de carboidrato<\/p>\n<\/td>\n

\n

Reduzir carboidratos ou aumentar lip\u00eddios<\/p>\n<\/td>\n<\/tr>\n

\n

0,80 a 0,90<\/p>\n<\/td>\n

\n

Oxida\u00e7\u00e3o de lip\u00eddios, carboidratos e prote\u00ednas<\/p>\n<\/td>\n

\n

Alimenta\u00e7\u00e3o equilibrada<\/p>\n<\/td>\n<\/tr>\n

\n

0,70 a 0,80<\/p>\n<\/td>\n

\n

Oxida\u00e7\u00e3o de lip\u00eddios e prote\u00ednas<\/p>\n<\/td>\n

\n

Aumentar calorias totais<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Fonte: Silva et al, 2018.<\/p>\n

 <\/p>\n

O QR pode ser chamado de n\u00e3o-prot\u00e9ico (QRnp)- participa\u00e7\u00e3o dos carboidratos e lip\u00eddios no VCO2<\/sub> e VO2<\/sub>,e quociente respirat\u00f3rio prot\u00e9ico (QRp), que representa a participa\u00e7\u00e3o dasprote\u00ednas. O QRp \u00e9 determinado por meio da taxa de excre\u00e7\u00e3o di\u00e1ria donitrog\u00eanio na urina (nitrog\u00eanio urin\u00e1rio de 24 horas).<\/p>\n

Os resultados de QR s\u00e3o influenciados peladieta de aproximadamente quatro dias e valores entre 0,80 e 0,90 representamindiv\u00edduos com alimenta\u00e7\u00e3o saud\u00e1vel, sendo poss\u00edvel monitorar, por exemplo, oexcesso de oferta cal\u00f3rica e\/ou substrato em situa\u00e7\u00f5es cl\u00ednicas que indicamdietas hipocal\u00f3rica.<\/p>\n

\n","protected":false},"excerpt":{"rendered":"

O quociente respirat\u00f3rio (QR) quantifica a utiliza\u00e7\u00e3ode substratos energ\u00e9ticos, carboidrato, prote\u00edna e lip\u00eddeos, na produ\u00e7\u00e3o deenergia, permitindo a adequa\u00e7\u00e3o da terapia nutricional do paciente de formamais precisa. \u00c9 realizado atrav\u00e9s da calorimetria indireta (CI), m\u00e9todo queestima o gasto energ\u00e9tico a partir das trocas dos gases (CO2 e O2)nos pulm\u00f5es. Para medir o QR, considera-se o […]<\/p>\n","protected":false},"author":45,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"divisao":[3393,2185,2194],"acf":[],"yoast_head":"\nO que \u00e9 quociente respirat\u00f3rio? - Nutritotal PRO<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nutritotal.com.br\/pro\/o-que-a-quociente-respirata-rio\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"O que \u00e9 quociente respirat\u00f3rio? - Nutritotal PRO\" \/>\n<meta property=\"og:description\" content=\"O quociente respirat\u00f3rio (QR) quantifica a utiliza\u00e7\u00e3ode substratos energ\u00e9ticos, carboidrato, prote\u00edna e lip\u00eddeos, na produ\u00e7\u00e3o deenergia, permitindo a adequa\u00e7\u00e3o da terapia nutricional do paciente de formamais precisa. \u00c9 realizado atrav\u00e9s da calorimetria indireta (CI), m\u00e9todo queestima o gasto energ\u00e9tico a partir das trocas dos gases (CO2 e O2)nos pulm\u00f5es. 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