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Revista Medica Herediana
versão impressa ISSN 1018-130Xversão On-line ISSN 1729-214X
Resumo
DIAZ-DE LOS SANTOS, Manuel; CIEZA, Javier e VALENZUELA, Raúl. Correlation between indexes of electrical bioimpedance and Apache II score in patients with septic shock. Rev Med Hered [online]. 2010, vol.21, n.3, pp.111-117. ISSN 1018-130X.
Objective: Objective: To determine the correlation between various indexes of bioelectrical impedance (IBE) and APACHE II score (sAII) in patients with septic shock. Material and methods: We included 30 patients > 14 years old with septic shock admitted to the Adults intensive care unit (ICU) at the Hospital Nacional Cayetano Heredia Peru. The (sAII) was calculated and various IBE parameters were measured (phase angle, impedance index and relationship ICF/ECF). Correlations were calculated by multiple linear regression and Pearson. Results: 60% were male, mean age was 60 ± 20.92 years, height 161 ± 6 cm, weight 65.46 ± 8.7 kg and time of admission ICU was 8.4 ± 5.99 hours. 86.6% required mechanical ventilation, the most common infection was respiratory in origin (63.3%). The mean sAII was 18.8 ± 9.2, ICU stay was 8.4 ± 5.99 days and mortality was 50% per month. We only found a statistically significant negative correlation (r = - 0.46, p = 0.01) between the phase angle (FA) and (sAII). Neither the impedance index nor the relationship ICF/ECF had significant correlation. The best predictor of mortality was FA: those who died had an FA <6 degrees (average 3.67 ± 0.63), p <0.05. Conclusions: Only FA correlated with the score (sAII) and was the index that best predicted mortality in patients with septic shock, exceeding the APACHE II score (sAII). (Rev Med Hered 2010; 21:111-117).
Palavras-chave : APACHE II score; phase angle; impedance index; ICF /ECF; septic shock.