Troubles gastro-intestinaux et activités sportives [Lower intestinal distress during sports activities].

This article reviews the literature regarding gastrointestinal disturbances in particular in runners. The lower intestinal problems of motility and blood loss are discussed. These problems are directly related to running. These symptoms, especially diarrhea are common and can impact adversely both performance and the health of the athlete. Most cases are relatively benign. The sport medicine clinician should be familiar with the management of these problems in order to optimize the treatment and facilitate return to sport.

Nursing Activities Score (NAS) como instrumento para medir carga de trabalho de enfermagem em UTI adulto

Pesquisa de campo, prospectiva, quantitativa, descritiva-exploratória, realizada na UTI geral/adulto de um hospital privado do município de São Paulo. Objetivos: avaliar o NAS - Nursing Activities Score - como medida de carga de trabalho de enfermagem; sua aplicabilidade por turnos e sua correspondência com o quantitativo de enfermagem efetivo. Classificados 33 pacientes: idade média: 70,4 anos (+/-16,5), 66,7% do sexo masculino; permanência média na UTI: 17 dias (+/- 20,4); SAPSII: 41,7 (+/-17,9); risco de morte: (RM) 33,5% (+/- 26,8); 63,6% transferidos para Unidades de Cuidados Semi-Intensivos, 18,2% evoluíram a óbito. Obtiveram-se 396 medidas por turnos (134-manhã; 132-tarde; 130-noturno), média de 55,4 (+/-12,3) e 147 medidas de NAS de 24h, média de 69,6 (+/-18,2). O instrumento mostrou-se mais adequado à aplicação em 24 horas que por turnos, tendendo a refletir o número de profissionais efetivo, revelando-se interessante instrumento de classificação de pacientes e carga de trabalho de enfermagem em terapia intensiva.

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Activities of fluconazole, caspofungin, anidulafungin, and amphotericin B on planktonic and biofilm Candida species determined by microcalorimetry.

We investigated the activities of fluconazole, caspofungin, anidulafungin, and amphotericin B against Candida species in planktonic form and biofilms using a highly sensitive assay measuring growth-related heat production (microcalorimetry). C. albicans, C. glabrata, C. krusei, and C. parapsilosis were tested, and MICs were determined by the broth microdilution method. The antifungal activities were determined by isothermal microcalorimetry at 37°C in RPMI 1640. For planktonic Candida, heat flow was measured in the presence of antifungal dilutions for 24 h. Candida biofilm was formed on porous glass beads for 24 h and exposed to serial dilutions of antifungals for 24 h, and heat flow was measured for 48 h. The minimum heat inhibitory concentration (MHIC) was defined as the lowest antifungal concentration reducing the heat flow peak by ≥50% (≥90% for amphotericin B) at 24 h for planktonic Candida and at 48 h for Candida biofilms (measured also at 24 h). Fluconazole (planktonic MHICs, 0.25 to >512 μg/ml) and amphotericin B (planktonic MHICs, 0.25 to 1 μg/ml) showed higher MHICs than anidulafungin (planktonic MHICs, 0.015 to 0.5 μg/ml) and caspofungin (planktonic MHICs, 0.125 to 0.5 μg/ml). Against Candida species in biofilms, fluconazole's activity was reduced by >1,000-fold compared to its activity against the planktonic counterparts, whereas echinocandins and amphotericin B mainly preserved their activities. Fluconazole induced growth of planktonic C. krusei at sub-MICs. At high concentrations of caspofungin (>4 μg/ml), paradoxical growth of planktonic C. albicans and C. glabrata was observed. Microcalorimetry enabled real-time evaluation of antifungal activities against planktonic and biofilm Candida organisms. It can be used in the future to evaluate new antifungals and antifungal combinations and to study resistant strains.

Nursing Activities Score (NAS): adaptação transcultural e validação para a língua portuguesa

O estudo teve como objetivos adaptar para o português e avaliar as propriedades psicométricas do Nursing Activities Score (NAS), instrumento de medida de carga de trabalho de enfermagem em UTI. Após o processo de adaptação cultural, o NAS foi aplicado em uma amostra de 200 pacientes adultos internados em UTIs. A análise da consistência interna pelo coeficiente Alfa de Cronbach revelou que o NAS possui 23 medidas independentes que não comportam consolidação ou redução. A avaliação da confiabilidade interobservadores demonstrou alta concordância (99,8%) e índice Kappa médio de 0,99. A validade concorrente foi demonstrada pela correlação estatisticamente significativa entre o TISS-28 e o NAS (r=0,67; p<0,0001), assim como pela análise de regressão multivariada (R²=94,4%; p<0,0001). Na avaliação da validade convergente, a regressão multivariada mostrou associação estatisticamente significativa entre o NAS e o SAPS II, quando ajustada pela idade (R²=99,8%; p<0,0001). Pelos resultados obtidos, o NAS mostrou-se um instrumento confiável e válido para mensurar carga de trabalho de enfermagem em UTIs brasileiras.