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ResumoIntrodução: As alterações nos níveis de proteínas séricas no organismo em pacientes com lesões crônicas ou agudas prejudicam a patogênese e atrasam o processo de cicatrização. Objetivos: Avaliar a interferência dos níveis séricos de proteína total, albumina e proteína C reativa em pacientes com úlceras por pressão. Casuística e Métodos: Estudo descritivo transversal realizado em um ambulatório de cuidados com feridas. Incluíram-se pacientes atendidos neste serviço, entre agosto de 2013 a agosto de 2014, que apresentassem úlcera por pressão e idade superior a 18 anos. A coleta de dados foi realizada por meio de um instrumento de avaliação de feridas e análise dos resultados de exames laboratoriais. Resultados: Os resultados comprovaram maior incidência de lesões na região sacral (76,5%) e nos estágios III e IV (72,4%). Os resultados laboratoriais mostraram que 72,4% apresentaram baixos níveis séricos de proteínas totais, 52,3% de albumina abaixo do esperado e 96,15% de níveis de proteína C reativa acima da normalidade. Conclusão: Os níveis proteicos avaliados, estatisticamente, não se relacionaram com a cronicidade das úlceras por pressão.Descritores: Úlcera por Pressão; Cicatrização; Estado Nutricional; Proteínas. Abstract Introduction: Changes in serum protein levels within the organism of patients with chronic or acute injuries can impair the pathogenesis and delay the healing process. Objective: To evaluate the interference of serum total protein, albumin, and C-reactive protein in patients with pressure ulcers. Patients and Methods: This is a cross-sectional descriptive study conducted at a wound care facility. All the patients treated in this health service from August 2013 to August 2014 were included within the study. Criteria of inclusion were those who presented pressure ulcer and age over 18 years old. The data collection was carried out using an instrument for evaluation of wounds, as well as the analysis of results of laboratory testing. Results: The results showed a higher incidence of lesions in the sacral region (76.5%), as well as in stages III and IV (72.4%). The results from laboratory testing showed that 72.4% of the patients had lower serum total protein levels, 52.3% albumin levels lower than expected, and approximately 96.15% had C-reactive protein levels greater than normal. Conclusion: Statistically, the protein levels evaluated did not correlate with the chronicity of pressure ulcers.Descriptors: Pressure Ulcer; Wound Healing; Nutritional Status; Proteins. IntroduçãoO estado nutricional do paciente influência positiva ou negativamente todo o organismo, principalmente no que diz respeito à cicatrização. Neste processo a influência pode ser ainda maior, já que é considerado um evento complexo, envolvendo inúmeros estágios interdependentes que se completam com a finalidade da reparação tecidual, caracterizando-se por um processo com aspectos macroscópicos e histológicos, resultantes de uma sequência de eventos celulares ativados e controlados por mediadores químicos (1)(2)(3)(4)(5) . ...
ResumoIntrodução: As alterações nos níveis de proteínas séricas no organismo em pacientes com lesões crônicas ou agudas prejudicam a patogênese e atrasam o processo de cicatrização. Objetivos: Avaliar a interferência dos níveis séricos de proteína total, albumina e proteína C reativa em pacientes com úlceras por pressão. Casuística e Métodos: Estudo descritivo transversal realizado em um ambulatório de cuidados com feridas. Incluíram-se pacientes atendidos neste serviço, entre agosto de 2013 a agosto de 2014, que apresentassem úlcera por pressão e idade superior a 18 anos. A coleta de dados foi realizada por meio de um instrumento de avaliação de feridas e análise dos resultados de exames laboratoriais. Resultados: Os resultados comprovaram maior incidência de lesões na região sacral (76,5%) e nos estágios III e IV (72,4%). Os resultados laboratoriais mostraram que 72,4% apresentaram baixos níveis séricos de proteínas totais, 52,3% de albumina abaixo do esperado e 96,15% de níveis de proteína C reativa acima da normalidade. Conclusão: Os níveis proteicos avaliados, estatisticamente, não se relacionaram com a cronicidade das úlceras por pressão.Descritores: Úlcera por Pressão; Cicatrização; Estado Nutricional; Proteínas. Abstract Introduction: Changes in serum protein levels within the organism of patients with chronic or acute injuries can impair the pathogenesis and delay the healing process. Objective: To evaluate the interference of serum total protein, albumin, and C-reactive protein in patients with pressure ulcers. Patients and Methods: This is a cross-sectional descriptive study conducted at a wound care facility. All the patients treated in this health service from August 2013 to August 2014 were included within the study. Criteria of inclusion were those who presented pressure ulcer and age over 18 years old. The data collection was carried out using an instrument for evaluation of wounds, as well as the analysis of results of laboratory testing. Results: The results showed a higher incidence of lesions in the sacral region (76.5%), as well as in stages III and IV (72.4%). The results from laboratory testing showed that 72.4% of the patients had lower serum total protein levels, 52.3% albumin levels lower than expected, and approximately 96.15% had C-reactive protein levels greater than normal. Conclusion: Statistically, the protein levels evaluated did not correlate with the chronicity of pressure ulcers.Descriptors: Pressure Ulcer; Wound Healing; Nutritional Status; Proteins. IntroduçãoO estado nutricional do paciente influência positiva ou negativamente todo o organismo, principalmente no que diz respeito à cicatrização. Neste processo a influência pode ser ainda maior, já que é considerado um evento complexo, envolvendo inúmeros estágios interdependentes que se completam com a finalidade da reparação tecidual, caracterizando-se por um processo com aspectos macroscópicos e histológicos, resultantes de uma sequência de eventos celulares ativados e controlados por mediadores químicos (1)(2)(3)(4)(5) . ...
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mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} --> <!--[endif] --> <p class="MsoNormal" style="margin-left: 2.85pt; text-align: justify;">Introdução: As alterações bioquímicas e celulares observadas no líquido cefaloraquidiano (LCR) no período neonatal exibem amplas variações, o que dificulta o diagnóstico de meningite bacteriana. Entre os marcadores laboratoriais de inflamação aguda, a proteína C reativa (PCR) pode ser utilizada no auxílio do diagnóstico de meningite. Objetivo: Determinar os níveis de PCR em amostras de soro e LCR de recém-nascidos (RNs) com diagnóstico de meningite neonatal. Metodologia: Foram avaliados 48 RNs com diagnóstico de meningite bacteriana e de 37 RNs com sepse tardia sem meningite associada atendidos na Unidade Neonatal do Hospital Universitário de Londrina, Paraná. A dosagem da PCR no soro foi realizada por imunoturbidimetria e no LCR por imunonefelometria ultra-sensível. Resultados: Os níveis de PCR entre os RNs com meningite bacteriana variaram de 0,4 a 170mg/L (média 35,1 ± 40,2 e mediana 22,5) no soro e de 0,0 a 10,8mg/L (média 1,1 ± 2,0 e mediana 0,5) no LCR. Em 27/38 (71,0%) pacientes com meningite bacteriana e em 14/29 (48,3%) com sepse tardia, houve elevação dos níveis de PCR no LCR</p><p class="MsoNormal" style="margin-left: 2.85pt; text-align: justify;">(p=0,0580). Porém, quando os valores de PCR no soro e no LCR foram categorizados (<3, 3-19, 20- 40 e >40mg/L para o soro e <0,175, 0,175- 4 e > 4 mg/L para o LCR), não houve diferença entre os dois grupos (p=0,1375 e p=0,1645, respectivamente). Conclusão: A elevação da PCR no LCR sugere a presença de meningite bacteriana; porém, a passagem da PCR sérica pela barreira hematoencefálica em RNs com meningite bacteriana e em RNs com sepse sem meningite limita a sua utilização como marcador laboratorial de diagnóstico de meningite neonatal.</p>
The systemic inflammatory response represents the core pathogenic event of sepsis, underlying clinical manifestations and laboratory findings in patients. Numerous studies have shown that CD4+CD25+ T lymphocytes, also known as regulatory T lymphocytes (Treg), participate in the development of sepsis due to their ability to suppress the immune response. The present article discusses the role of Treg lymphocytes in sepsis based on a specific search strategy (Latin American and Caribbean Health Sciences / Literatura Latino-americana e do Caribe em Ciências da Saúde-LILACS, PubMed, and Scientific Electronic Library Online-SciELO) focusing on two main topics: the participation of Treg cells in inflammation and immunity as well as perspectives in the computational physiological investigation of sepsis.
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