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        "titulo" => "Resumo"
        "resumen" => "<span id="as0005" class="elsevierStyleSection elsevierViewall"><p id="sp0005" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleBold">Introdu&#231;&#227;o&#58;</span> Ao <span class="elsevierStyleItalic">Staphylococcus aureus</span> resistente &#224; meticilina &#40;MRSA&#41; &#233; classicamente reconhecido um papel patog&#233;nico no &#226;mbito da fibrose qu&#237;stica &#40;FQ&#41;&#46;</p><p id="sp0010" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleBold">Objectivos&#58;</span> Avalia&#231;&#227;o da evolu&#231;&#227;o da preval&#234;ncia e incid&#234;ncia da coloniza&#231;&#227;o por MRSA&#44; impacto cl&#237;nico no ano ap&#243;s o primeiro isolamento&#44; factores de risco e padr&#227;o de resist&#234;ncia antimicrobiana&#46;</p><p id="sp0015" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleBold">M&#233;todos&#58;</span> Estudo retrospectivo dos doentes pedi&#225;tricos colonizados por MRSA seguidos no centro de FQ do Hospital de Santa Maria de 2003 a 2007&#46;</p><p id="sp0020" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleBold">Resultados&#58;</span> O MRSA foi isolado em secre&#231;&#245;es respirat&#243;rias de 12 dos 60 doentes seguidos durante este per&#237;odo &#40;coloniza&#231;&#227;o cr&#243;nica em 3 doentes&#41;&#46; A idade m&#233;dia &#224; data do primeiro isolamento foi de 9 anos e 10 meses e o tempo m&#233;dio entre o diagn&#243;stico de FQ e a aquisi&#231;&#227;o de MRSA de 5 anos e 7 meses&#46;</p><p id="sp0025" class="elsevierStyleSimplePara elsevierViewall">Verificou-se um aumento da preval&#234;ncia e incid&#234;ncia de coloniza&#231;&#227;o por MRSA&#44; com um m&#225;ximo atingido em 2007 &#40;preval&#234;ncia 14&#44;3&#37; e incid&#234;ncia 8&#44;9&#37;&#41;&#46; Quatro doentes cumpriram antibioticoterapia profil&#225;ctica antiestafiloc&#243;cica com flucloxacilina&#46;</p><p id="sp0030" class="elsevierStyleSimplePara elsevierViewall">No ano ap&#243;s o primeiro isolamento de MRSA&#44; constatou-se um aumento do n&#250;mero de dias de internamento em 4 doentes &#40;2 com coloniza&#231;&#227;o cr&#243;nica&#41; e deteriora&#231;&#227;o da fun&#231;&#227;o pulmonar em 5&#44; incluindo a totalidade dos doentes com coloniza&#231;&#227;o cr&#243;nica&#46; Apenas um doente apresentou diminui&#231;&#227;o de percentil de &#237;ndice de massa corporal&#46;</p><p id="sp0035" class="elsevierStyleSimplePara elsevierViewall">As resist&#234;ncias mais frequentemente encontradas foram &#224; rifampicina e &#224; clindamicina&#46;</p><p id="sp0040" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleBold">Conclus&#245;es&#58;</span> Este estudo revelou ocorr&#234;ncia de deteriora&#231;&#227;o cl&#237;nica relevante em doentes com coloniza&#231;&#227;o cr&#243;nica por MRSA&#44; refor&#231;ando a import&#226;ncia da implementa&#231;&#227;o de estrat&#233;gias eficazes e precoces de erradica&#231;&#227;o&#46;</p><p id="sp0045" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleBold">Rev Port Pneumol 2010&#59; XVI &#40;4&#41;&#58; 527-542</span></p></span>"
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        "titulo" => "Abstract"
        "resumen" => "<span id="as0010" class="elsevierStyleSection elsevierViewall"><p id="sp0050" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleBold">Background&#58;</span> Methicillin-resistant <span class="elsevierStyleItalic">Staphylococcus aureus</span> &#40;MRSA&#41; plays a well-recognised pathogenic role in cystic fibrosis &#40;CF&#41;&#46;</p><p id="sp0055" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleBold">Aims&#58;</span> To evaluate the prevalence and incidence of colonisation by MRSA&#44; clinical impact of MRSA colonisation &#40;year after first MRSA isolation&#41;&#44; risk factors and pattern of antimicrobial resistance&#46;</p><p id="sp0060" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleBold">Methods&#58;</span> Retrospective review of paediatric CF patients colonised with MRSA followed-up at the CF Unit of Hospital de Santa Maria 2003-2007&#46;</p><p id="sp0065" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleBold">Results&#58;</span> Twelve of the 60 patients followed-up during this period were MRSA-positive at some time &#40;chronic colonisation in 3 patients&#41;&#46; Mean age at acquisition was 9 years 10 months and mean time interval between CF diagnosis and MRSA acquisition 5 years 7 months&#46;</p><p id="sp0070" class="elsevierStyleSimplePara elsevierViewall">An important rise in MRSA colonisation prevalence and incidence was observed&#44; with the highest rate seen in 2007 &#40;prevalence 14&#46;3&#37; and incidence 8&#46;9&#37;&#41;&#46;</p><p id="sp0075" class="elsevierStyleSimplePara elsevierViewall">Four patients had received anti-staphylococcal prophylaxis with flucloxacillin&#46;</p><p id="sp0080" class="elsevierStyleSimplePara elsevierViewall">An increase in the total number of in-patient days was observed in four patients &#40;two with chronic colonisation&#41;&#46; Deterioration in lung function was seen in five patients &#40;including the three patients with chronic colonisation&#41;&#46; Only one patient had a decrease in body mass index percentile&#46; Resistance to clindamycin and rifampin was the most frequently seen&#46;</p><p id="sp0085" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleBold">Conclusions&#58;</span> This study revealed significant clinical deterioration in patients with chronic colonisation by MRSA&#44; reinforcing the importance of effective and timely decolonisation strategies&#46;</p><p id="sp0090" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleBold">Rev Port Pneumol 2010&#59; XVI &#40;4&#41;&#58; 527-542</span></p></span>"
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Vol. 16. Issue 4.
Pages 527-542 (July - August 2010)
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Vol. 16. Issue 4.
Pages 527-542 (July - August 2010)
Artigo Original/Original Article
Open Access
Colonização por Staphylococcus aureus resistente à meticilina: Que impacto na morbilidade de doentes pediátricos com fibrose quística?
The impact of methicillin-resistant Staphylococcus aureus colonisation on paediatric cystic fibrosis patients’ morbidity
Visits
6121
Joana Fermeiro1,
Corresponding author
jsnfermeiro@hotmail.com

Correspondência/Correspondence to: Departamento da Criança e da Família do Hospital de Santa Maria, Avenida Professor Egas Moniz, 1649-035 Lisboa
, Patrícia Reis1, Susana Castanhinha1, Luísa Pereira2, Celeste Barreto3
1 Interna do Internato Complementar de Pediatria/Resident, Paediatrics
2 Assistente Hospitalar Graduada de Pediatria/Consultant, Paediatrics specialist
3 Chefe de Serviço de Pediatria/Head, Paediatrics Unit
This item has received

Under a Creative Commons license
Article information
Resumo

Introdução: Ao Staphylococcus aureus resistente à meticilina (MRSA) é classicamente reconhecido um papel patogénico no âmbito da fibrose quística (FQ).

Objectivos: Avaliação da evolução da prevalência e incidência da colonização por MRSA, impacto clínico no ano após o primeiro isolamento, factores de risco e padrão de resistência antimicrobiana.

Métodos: Estudo retrospectivo dos doentes pediátricos colonizados por MRSA seguidos no centro de FQ do Hospital de Santa Maria de 2003 a 2007.

Resultados: O MRSA foi isolado em secreções respiratórias de 12 dos 60 doentes seguidos durante este período (colonização crónica em 3 doentes). A idade média à data do primeiro isolamento foi de 9 anos e 10 meses e o tempo médio entre o diagnóstico de FQ e a aquisição de MRSA de 5 anos e 7 meses.

Verificou-se um aumento da prevalência e incidência de colonização por MRSA, com um máximo atingido em 2007 (prevalência 14,3% e incidência 8,9%). Quatro doentes cumpriram antibioticoterapia profiláctica antiestafilocócica com flucloxacilina.

No ano após o primeiro isolamento de MRSA, constatou-se um aumento do número de dias de internamento em 4 doentes (2 com colonização crónica) e deterioração da função pulmonar em 5, incluindo a totalidade dos doentes com colonização crónica. Apenas um doente apresentou diminuição de percentil de índice de massa corporal.

As resistências mais frequentemente encontradas foram à rifampicina e à clindamicina.

Conclusões: Este estudo revelou ocorrência de deterioração clínica relevante em doentes com colonização crónica por MRSA, reforçando a importância da implementação de estratégias eficazes e precoces de erradicação.

Rev Port Pneumol 2010; XVI (4): 527-542

Palavras-chave:
Fibrose quística
MRSA
erradicação
Abstract

Background: Methicillin-resistant Staphylococcus aureus (MRSA) plays a well-recognised pathogenic role in cystic fibrosis (CF).

Aims: To evaluate the prevalence and incidence of colonisation by MRSA, clinical impact of MRSA colonisation (year after first MRSA isolation), risk factors and pattern of antimicrobial resistance.

Methods: Retrospective review of paediatric CF patients colonised with MRSA followed-up at the CF Unit of Hospital de Santa Maria 2003-2007.

Results: Twelve of the 60 patients followed-up during this period were MRSA-positive at some time (chronic colonisation in 3 patients). Mean age at acquisition was 9 years 10 months and mean time interval between CF diagnosis and MRSA acquisition 5 years 7 months.

An important rise in MRSA colonisation prevalence and incidence was observed, with the highest rate seen in 2007 (prevalence 14.3% and incidence 8.9%).

Four patients had received anti-staphylococcal prophylaxis with flucloxacillin.

An increase in the total number of in-patient days was observed in four patients (two with chronic colonisation). Deterioration in lung function was seen in five patients (including the three patients with chronic colonisation). Only one patient had a decrease in body mass index percentile. Resistance to clindamycin and rifampin was the most frequently seen.

Conclusions: This study revealed significant clinical deterioration in patients with chronic colonisation by MRSA, reinforcing the importance of effective and timely decolonisation strategies.

Rev Port Pneumol 2010; XVI (4): 527-542

Key-words:
Cystic fibrosis
MRSA
decolonisation
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