Hydrogen sulfide in posthemorrhagic shock mesenteric lymph drainage alleviates kidney injury in rats

Posthemorrhagic shock mesenteric lymph (PHSML) is a key factor in multiple organ injury following hemorrhagic shock. We investigated the role of hydrogen sulfide (H2S) in PHSML drainage in alleviating acute kidney injury (AKI) by administering D,L-propargylglycine (PPG) and sodium hydrosulfide hydrate (NaHS) to 12 specific pathogen-free male Wistar rats with PHSML drainage. A hemorrhagic shock model was established in 4 experimental groups: shock, shock+drainage, shock+drainage+PPG (45 mg/kg, 0.5 h prehemorrhage), and shock+drainage+NaHS (28 µmol/kg, 0.5 h prehemorrhage). Fluid resuscitation was performed after 1 h of hypotension, and PHMSL was drained in the last three groups for 3 h after resuscitation. Renal function and histomorphology were assessed along with levels of H2S, cystathionine-γ-lyase (CSE), Toll-like receptor 4 (TLR4), interleukin (IL)-10, IL-12, and tumor necrosis factor (TNF)-α in renal tissue. Hemorrhagic shock induced AKI with increased urea and creatinine levels in plasma and higher H2S, CSE, TLR4, IL-10, IL-12, and TNF-α levels in renal tissue. PHSML drainage significantly reduced urea, creatinine, H2S, CSE, and TNF-α but not TLR4, IL-10, or IL-12. PPG decreased creatinine, H2S, IL-10, and TNF-α levels, but this effect was reversed by NaHS administration. In conclusion, PHSML drainage alleviated AKI following hemorrhagic shock by preventing increases in H2S and H2S-mediated inflammation.

Identidade do homem resiliente no contexto de adoecer por câncer de próstata: uma perspectiva cultural / Identity of the resilient man in the context of ill with prostate cancer: a cultural perspective / Identidad del hombre resiliente en el contexto al enfermar por cáncer de próstata: una perspectiva cultural

O estudo objetivou conhecer o contexto do homem resiliente ao adoecer por câncer de próstata. Trata-se de um estudo de caso etnográfico realizado com dois homens sobreviventes ao câncer de próstata, com alto grau de resiliência. Os dados foram coletados no domicílio, no período de abril e maio de 2012, por meio da entrevista semiestruturada em profundidade, de observação participante e do ecomapa. Pela análise dos dados construíram-se duas unidades de sentido: "Identidade do homem resiliente: contextualizando os informantes" e "O homem resiliente descobrindo-se doente". Apreende-se que a identidade de ser homem resiliente, para estes informantes, foi marcada pela diferença histórica e cultural que permeou as suas ações, no processo de adoecimento por câncer de próstata. Considera-se importante que os enfermeiros atentem para os aspectos culturais da saúde do homem, para que este possa sentir-se parte integrante do processo de cura, tornando-se sujeito ativo frente à própria saúde.

The study aimed to understand the context of resilient man when ill with prostate cancer. This is an ethnographic case study conducted with two prostate cancer survival men with a high degree of resilience. The data was collected on their places, in 2012 April and May, using semi-structured in-depth interviews, participant observation and ecomap. For the data analysis, it was built two units of meaning: "Identity of the resilient man: contextualizing the informants" and "The resilient man finding himself ill". It was noticed that the identity of being a resilient man, to these informants, was marked by historical and cultural difference which permeated their actions in the process of being ill with prostate cancer. It is important that nurses pay attention to the cultural aspects of human health, so that they can feel part of the healing process, becoming an active subject facing their own health.

El estudio enfocó conocer el contexto del hombre resiliente al enfermar por cáncer de próstata. Se trata de un estudio de caso etnográfico realizado con dos hombres sobrevivientes al cáncer de próstata con alto grado de resiliencia. Los datos fueron recogidos en el domicilio, en el período de abril y mayo de 2012, por medio de entrevista semiestructurada en profundidad, observación participante y ecomapa. Por el análisis de los datos, se construyeron dos unidades de sentido: "Identidad del hombre resiliente: contextualizando a los informantes" y "El hombre resiliente descubriéndose enfermo". Se comprende que la identidad de ser hombre resiliente, para estos informantes, fue marcada por la diferencia histórica y cultural que hicieron permeables sus acciones en el proceso de enfermar por cáncer de próstata. Se considera importante que los enfermeros estén atentos a los aspectos culturales de la salud del hombre, para que este se pueda sentir parte integrante del proceso de cura, tornándose sujeto activo frente a la propia salud.