Heart rate variability measures for prediction of severity of illness and poor outcome in ED patients with sepsis.
Am J Emerg Med
; 38(12): 2607-2613, 2020 12.
Article
en En
| MEDLINE
| ID: mdl-31982224
ABSTRACT
INTRODUCTION:
This study evaluates the utility of heart rate variability (HRV) for assessment of severity of illness and poor outcome in Emergency Department (ED) patients with sepsis. HRV measures evaluated included low frequency (LF) signal, high frequency (HF) signal, and deviations in LF and HF signal from age-adjusted reference values.METHODS:
This was a prospective, observational study. Seventy-two adult ED patients were assessed within 6 h of arrival.RESULTS:
Severity of illness as defined by sepsis subtype correlated with decreased LF signal (sepsis 70.68 ± 22.95, severe sepsis 54.00 ± 28.41, septic shock 45.54 ± 23.31, p = 0.02), increased HF signal (sepsis 27.87 ± 19.42, severe sepsis 44.63 ± 27.29, septic shock 47.66 ± 20.98, p = 0.01), increasingly negative deviations in LF signal (sepsis 0.41 ± 24.53, severe sepsis -21.43 ± 30.09, septic shock -30.39 ± 26.09, p = 0.005) and increasingly positive deviations in HF signal (sepsis -1.86 ± 21.09, severe sepsis 20.07 ± 29.03, septic shock 23.6 ± 24.17, p = 0.004). Composite poor outcome correlated with decreased LF signal (p = 0.008), increased HF signal (p = 0.03), large negative deviations in LF signal (p = 0.004) and large positive deviations in HF signal (p = 0.02). Deviations in LF and HF signal from age-adjusted reference values correlated with individual measures of poor outcome with greater consistency than LF or HF signal.DISCUSSION:
Accounting for the influence of age on baseline HRV signal improves the predictive value of HRV measures in ED patients with sepsis.
Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Sepsis
/
Frecuencia Cardíaca
/
Unidades de Cuidados Intensivos
/
Tiempo de Internación
Tipo de estudio:
Observational_studies
/
Prognostic_studies
/
Risk_factors_studies
Límite:
Adult
/
Aged
/
Aged80
/
Female
/
Humans
/
Male
/
Middle aged
Idioma:
En
Revista:
Am J Emerg Med
Año:
2020
Tipo del documento:
Article