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Valor preditivo da razão entre espaço morto e volume corrente fisiológicos no processo de desmame da ventilação mecânica em crianças / Predictive value of the physiological deadspace/tidal volume ratio in the weaning process of mechanical ventilation in children
Riou, Yvon; Chaari, Wissem; Leteurtre, Stéphane; Leclerc, Francis.
Affiliation
  • Riou, Yvon; University Hospital Jeanne de Flandre. Centre Hospitalier Régional Universitaire. Pediatric Intensive Care Unit. Lille. FR
  • Chaari, Wissem; University Hospital Jeanne de Flandre. CHRU. Pediatric Intensive Care Unit. Lille. FR
  • Leteurtre, Stéphane; University Hospital Jeanne de Flandre. Centre Hospitalier Régional Universitaire. Pediatric Intensive Care Unit. Lille. FR
  • Leclerc, Francis; University Hospital Jeanne de Flandre. Centre Hospitalier Régional Universitaire. Pediatric Intensive Care Unit. Lille. FR
J. pediatr. (Rio J.) ; 88(3): 217-221, maio-jun. 2012. tab
Article in Portuguese | LILACS | ID: lil-640775
Responsible library: BR1.1
RESUMO

OBJETIVO:

Avaliar a razão entre espaço morto e volume corrente fisiológicos (V D/V T) como preditor do fracasso na extubação em 42 crianças ventiladas (idade média 4,75 anos).

MÉTODO:

Prontidão para extubação foi determinada usando os critérios propostos pela 6ª Conferência Internacional de Consenso em Medicina Intensiva adaptados a crianças.

RESULTADOS:

A ventilação não invasiva (VNI) foi usada em quatro pacientes que desenvolveram insuficiência respiratória após a extubação; nenhum foi reintubado. Crianças que precisaram de VNI para evitar a reintubação tiveram razão V D/V T significativamente maior do que as que foram extubadas sem VNI (p < 0,001). O valor de corte da razão V D/V T foi 0,55, e a área sob a curva ROC foi 0,86.

CONCLUSÃO:

Nossos achados confirmam o bom valor preditivo do sucesso/fracasso do desmame pela razão V D/V T e sugere seu papel como preditor da necessidade de VNI após extubação.
ABSTRACT

OBJECTIVE:

To evaluate the physiological deadspace/tidal volume ratio (V D/V T) as a predictor of extubation failure in 42 ventilated children (median age 4.75 years).

METHOD:

Extubation readiness was determined using the criteria proposed by the 6th International Consensus Conference on Intensive Care Medicine adapted to children.

RESULTS:

Non-invasive ventilation (NIV) was used in four patients who developed respiratory failure after extubation; none was reintubated. Children who needed NIV to avoid reintubation had a significantly higher V D/V T ratio than those who were extubated without NIV (p < 0.001). The cut-off value of V D/V T ratio was 0.55 and the area under the receiver operating characteristic curve was 0.86.

CONCLUSION:

Our findings confirm the good predictive value of weaning success/failure of the V D/V T ratio and suggest its role for predicting the need for NIV after extubation.
Subject(s)


Full text: Available Collection: International databases Database: LILACS Main subject: Respiratory Insufficiency / Ventilator Weaning / Critical Care / Airway Extubation Type of study: Evaluation study / Prognostic study / Risk factors Limits: Adolescent / Child / Child, preschool / Female / Humans / Infant / Male / Infant, Newborn Language: Portuguese Journal: J. pediatr. (Rio J.) Journal subject: Pediatrics Year: 2012 Document type: Article Affiliation country: France Institution/Affiliation country: University Hospital Jeanne de Flandre/FR

Full text: Available Collection: International databases Database: LILACS Main subject: Respiratory Insufficiency / Ventilator Weaning / Critical Care / Airway Extubation Type of study: Evaluation study / Prognostic study / Risk factors Limits: Adolescent / Child / Child, preschool / Female / Humans / Infant / Male / Infant, Newborn Language: Portuguese Journal: J. pediatr. (Rio J.) Journal subject: Pediatrics Year: 2012 Document type: Article Affiliation country: France Institution/Affiliation country: University Hospital Jeanne de Flandre/FR
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