Bioelectrical impedance analysis for assessment of severity of illness in pediatric patients after heart surgery
| Autor: | Hiromi Ashida, Nobuaki Shime, Yoshifumi Tanaka, Yuko Katoh, Kyoko Kageyama, Eiichi Chihara, Masaaki Yamagishi |
|---|---|
| Rok vydání: | 2002 |
| Předmět: |
Heart Defects
Congenital Male medicine.medical_specialty Adolescent Critical Care and Intensive Care Medicine Severity of Illness Index law.invention law Severity of illness Electric Impedance Humans Medicine Prospective Studies Child Prospective cohort study Postoperative Care Analysis of Variance business.industry Critically ill Infant Newborn Infant Perioperative Intensive care unit Surgery El Niño Child Preschool Body Composition Female business Bioelectrical impedance analysis |
| Zdroj: | Critical Care Medicine. 30:518-520 |
| ISSN: | 0090-3493 |
| Popis: | To investigate whether perioperative changes in bioelectrical impedance reflect the severity of illness in pediatric patients after heart surgery.Prospective, controlled study.University-affiliated children's hospital.A total of 107 patients admitted to a pediatric intensive care unit after congenital heart surgery.None.Single frequency (50 kHz) bioelectrical impedance was measured in the lower extremities before surgery and immediately, 16 hrs, and 40 hrs after admission (D0, D1, D2) to the pediatric intensive care unit. Postoperative changes in bioelectrical impedance were assessed by calculating values relative to the preoperative data (bioelectrical impedance ratio). These bioelectrical impedance ratios at D0 in both the nonsurviving and surviving patients were 0.84 +/- 0.06 and 0.85 +/- 0.01 (mean +/- SE), respectively, indicating that the initial decrease caused by surgical stress itself was not directly related to the prognosis. The bioelectrical impedance ratio showed an increase toward preoperative values in surviving patients (0.94 +/- 0.02) at D1, and they showed a sustained decrease (0.70 +/- 0.06) in nonsurviving patients. Patients with a bioelectrical impedance ratio at D1 of0.8 showed a higher mortality (25%) compared with those patients with a day-1 bioelectrical impedance ratio ofor = 1.0 (0%). The duration of the stay in the pediatric intensive care unit, mechanical ventilation, and inotropic support were all significantly longer in the patients with the lower bioelectrical impedance ratio.Measurement of the relative changes in postoperative bioelectrical impedance, which reflects perioperative alterations in body composition, provides a quantitative estimation of the critical illness in pediatric patients after heart surgery. |
| Databáze: | OpenAIRE |
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