Pre-operative nutritional status and its association with short-term post-operative outcomes in Iranian children with CHD

Author:

Aryafar Maryam,Mahdavi Mohammad,Shahzadi Hossein,Gabeleh Fatemeh,Nasrollahzadeh JavadORCID

Abstract

AbstractBackground:Nutritional assessment appears to be an essential component of the evaluation of children with CHD undergoing surgery because nutritional status may impact corrective surgery-associated morbidity.Methods:A prospective single-centre cohort study with children between 6 and 24 months of age. Patients who had genetic syndromes or those who were premature or low birthweight at birth were excluded. Pre-operative nutritional parameters included anthropometric measurements and serum concentrations of total protein, vitamin D, iron, and ferritin. Outcome measures included ICU length of stay, mechanical ventilation, vasoactive-inotropic score, and duration of inotropes. Linear regression analysis was performed to determine whether pre-operative variables were associated with outcomes.Results:Analysis was performed on 120 patients (median age of 8 months), of whom 67 were male. Prior to surgery, 50.8% of patients had reduced (z ≤ −2.0) weight-for-age z score, 23.3% had reduced length-for-age z score, and 59.2% had reduced mid-upper arm circumference z score. Pre-operative serum total protein levels were 59.36 ± 9.16 g/L. Multiple regression analysis showed that low serum protein was associated with longer ICU length of stay and length of mechanical ventilation, while mid-upper arm circumference z score ≤ −2 was associated with longer ICU length of stay and mechanical ventilation and inotropes duration.Conclusions:Pre-operative assessment of nutritional status by performing anthropometric and biochemical measurements including mid-upper arm circumference z score and serum protein concentrations in children undergoing CHD surgery appears to be predictors of some post-operative short-term outcomes and could be used as a guide to highlight patients needing appropriate perioperative nutritional interventions.

Publisher

Cambridge University Press (CUP)

Subject

Cardiology and Cardiovascular Medicine,General Medicine,Pediatrics, Perinatology and Child Health

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