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Weaning by gradual pressure support (PS) reduction without an initial spontaneous breathing trial (SBT) versus PS-supported SBT: A pilot study
Desmame por redução gradual da pressão de suporte (PS) sem uma prova de respiração espontânea (SBT) inicial versus PS apoiada pela SBT: um estudo piloto
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Vitacca" "autores" => array:1 [ 0 => array:2 [ "nombre" => "M." "apellidos" => "Vitacca" ] ] ] ] ] "idiomaDefecto" => "en" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S2173511511000765?idApp=UINPBA00004E" "url" => "/21735115/0000001700000006/v1_201305151553/S2173511511000765/v1_201305151553/en/main.assets" ] "en" => array:13 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Original article</span>" "titulo" => "Weaning by gradual pressure support (PS) reduction without an initial spontaneous breathing trial (SBT) versus PS-supported SBT: A pilot study" "tieneTextoCompleto" => 0 "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "244" "paginaFinal" => "252" ] ] "autores" => array:1 [ 0 => array:4 [ "autoresLista" => "K. Gnanapandithan, R. Agarwal, A.N. Aggarwal, D. Gupta" "autores" => array:4 [ 0 => array:3 [ "nombre" => "K." "apellidos" => "Gnanapandithan" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] 1 => array:4 [ "nombre" => "R." "apellidos" => "Agarwal" "email" => array:1 [ 0 => "riteshpgi@gmail.com" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff0010" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">¿</span>" "identificador" => "cor0005" ] ] ] 2 => array:3 [ "nombre" => "A.N." "apellidos" => "Aggarwal" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff0010" ] ] ] 3 => array:3 [ "nombre" => "D." "apellidos" => "Gupta" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff0010" ] ] ] ] "afiliaciones" => array:2 [ 0 => array:3 [ "entidad" => "Dept of Internal Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India" "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] 1 => array:3 [ "entidad" => "Dept of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India" "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff0010" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "⁎" "correspondencia" => "Corresponding author." ] ] ] ] "titulosAlternativos" => array:1 [ "pt" => array:1 [ "titulo" => "Desmame por redução gradual da pressão de suporte (PS) sem uma prova de respiração espontânea (SBT) inicial versus PS apoiada pela SBT: um estudo piloto" ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "PalabrasClave" => array:2 [ "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Keywords" "identificador" => "xpalclavsec161688" "palabras" => array:6 [ 0 => "Mechanical ventilation" 1 => "Weaning" 2 => "Extubation" 3 => "Respiratory failure" 4 => "ICU" 5 => "ARDS" ] ] ] "pt" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Palavras chave" "identificador" => "xpalclavsec161687" "palabras" => array:6 [ 0 => "Ventilação mecânica" 1 => "Desmame" 2 => "Extubação" 3 => "Falha respiratória" 4 => "UCI" 5 => "ARDS" ] ] ] ] "tieneResumen" => true "resumen" => array:2 [ "en" => array:2 [ "titulo" => "Abstract" "resumen" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Background and aim: Studies on weaning strategies have yielded conflicting results regarding the superiority of different methods. The aim of this RCT was to compare the efficacy of gradual pressure support (PS) reduction without an initial spontaneous breathing trial (SBT) with PS-supported SBT.</p> <span class="elsevierStyleSectionTitle">Methods</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Patients mechanically ventilated for >24<span class="elsevierStyleHsp" style=""></span>h were randomized to weaning by gradual reduction of PS without an initial SBT versus once daily SBT (PS 7<span class="elsevierStyleHsp" style=""></span>cm H2O). The primary outcomes were the rates of successful weaning trial and time to successful extubation. The secondary outcomes were the ICU and hospital length of stay, hospital mortality and the occurrence of ventilator-associated pneumonia (VAP).</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Of the 120 patients (61 males, median age 35 years), 58 were assigned to PS and 62 to the SBT group. The median (IQR) duration of ventilation prior to weaning was 80.2 (50.5---175.6) h. The baseline characteristics were similar in the two groups except the PaO2/FiO2 ratio, which was significantly higher in SBT group. The rates of successful weaning trial (89.7% versus 69.4%) were significantly higher in the PS group. The median duration of weaning (66<span class="elsevierStyleHsp" style=""></span>h versus 81.5<span class="elsevierStyleHsp" style=""></span>h, P = 0.05) and the median duration of ICU stay (8 days versus 9.4 days, P = 0.027) were lower in the PS group. There was no difference in hospital stay, mortality rates or occur-rence of VAP in the two arms. On multivariate analysis, the duration of ventilation prior to weaning, baseline SOFA score and the weaning method were predictors of successful extubation.</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Gradual reduction of PS without an initial SBT was found to be associated with better outcomes compared to once daily PS-supported SBT.</p>" ] "pt" => array:2 [ "titulo" => "Resumo" "resumen" => "<p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Antecedentes e objetivo: Os estudos sobre estratégias de desmame tiveram resultados contro-versos em relação à superioridade de métodos diferentes. O objetivo deste RCT foi comparar a eficácia da redução gradual da pressão de suporte (PS) sem uma prova de respiração espontânea (SBT) inicial com a PS apoiada pela SBT. Métodos: Os pacientes ventilados mecanicamente por >24 horas foram aleatorizados para des-mame por redução gradual da PS sem uma SBT inicial versus a SBT uma vez por dia (PS-7<span class="elsevierStyleHsp" style=""></span>cm H2O). Os principais resultados foram as taxas de sucesso do teste de desmame e o tempo até a extubação bem sucedida. Os resultados secundários foram o tempo em que estiveram na UCI e no hospital, mortalidade hospitalar e ocorrência de pneumonia associada ao ventilador (VAP). Resultados: Dos 120 pacientes (61 homens, média de idade de 35 anos), 58 foram atribuídos ao grupo de PS e 62 ao grupo de SBT. A duração média (IQR) da ventilação antes do desmame foi de 80,2 (50,5---175,6) horas. Os parâmetros basais foram semelhantes nos dois grupos, exceto a taxa PaO2/FiO2, que foi significativamente superior no grupo de SBT. As taxas de testes de desmame bem-sucedido (89,7% versus 69,4%) foram significativamente superiores no grupo de PS. A duração média de desmame (66 versus 81,5 horas, p = 0.05) e a duração média de tempo na UCI (8 versus 9,4 dias, p = 0,027) foi inferior no grupo PS. Não se registaram diferenças no tempo em que estiveram no hospital, taxas de mortalidade ou ocorrência de VAP nos dois grupos. Numa análise multivariada, a duração de ventilação antes do desmame, o índice SOFA basal e o método de desmame foram preditores de uma extubação bem sucedida. 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| Year/Month | Html | Total | |
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| 2024 November | 8 | 9 | 17 |
| 2024 October | 32 | 53 | 85 |
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| 2023 September | 21 | 33 | 54 |
| 2023 August | 17 | 16 | 33 |
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