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1.
Pediatr Crit Care Med ; 21(12): e1052-e1060, 2020 12.
Article in English | MEDLINE | ID: mdl-32740184

ABSTRACT

OBJECTIVES: Newborn infant parasympathetic evaluation index is based on heart rate variability and is related to the autonomic response to pain or stress. The Comfort Behavior Scale is used to assess distress intensity in sedated intubated children. The objective of this study was to assess the validity and performance of newborn infant parasympathetic evaluation as a distress indicator during procedural distress. DESIGN: Monocentric, prospective, noninterventional pilot study of diagnostic accuracy between October 1, 2017, and April 30, 2019. SETTING: PICU in a tertiary care university hospital. PATIENTS: Sedated intubated children under 3 years old. INTERVENTIONS: We continuously obtained mean newborn infant parasympathetic evaluation and instantaneous newborn infant parasympathetic evaluation scores and compared them to Comfort Behavior scores obtained before (T1 period), during (T2 period), and after (T3 period) care procedures. MEASUREMENTS AND MAIN RESULTS: We obtained 54 measurements from 32 patients. The median age was 4 months (23 d to 31 mo). Between T1 and T2, there was a significant decrease in the instantaneous newborn infant parasympathetic evaluation and mean newborn infant parasympathetic evaluation scores (64 ± 2 to 42 ± 1 [p 0.0001] and 64 ± 1 to 59 ± 1 [p = 0.007], respectively) and a significant increase in the Comfort Behavior scores (from 12 ± 0 to 16 ± 1; p 0.0001). Comfort Behavior scores and instantaneous newborn infant parasympathetic evaluation and mean newborn infant parasympathetic evaluation scores were significantly inversely correlated (r = -0.44, p 0.0001 and r = -0.19, p = 0.01, respectively). With a instantaneous newborn infant parasympathetic evaluation score threshold of 53, the sensitivity, specificity, positive predictive, and negative predictive values to predict a Comfort Behavior Scale up to 17 were 80.0%, 73.5%, 43.8%, and 93.5%, respectively. CONCLUSIONS: Instantaneous newborn infant parasympathetic evaluation is valid for assessing distress in sedated/intubated children in the PICU. Further studies are needed to confirm these results and for newborn infant parasympathetic evaluation-based comparisons of sedation-analgesia protocols.


Subject(s)
Conscious Sedation , Pain , Child , Child, Preschool , Humans , Infant , Infant, Newborn , Pain Measurement , Pilot Projects , Prospective Studies
2.
Pediatr Emerg Care ; 29(10): 1055-9, 2013 Oct.
Article in English | MEDLINE | ID: mdl-24076606

ABSTRACT

OBJECTIVES: Septic shock is frequent in children and is associated with high mortality and morbidity rates. Early recognition of severe sepsis improve outcome. Shock index (SI), ratio of heart rate (HR) and systolic blood pressure (SBP), may be a good noninvasive measure of hemodynamic instability that has been poorly studied in children. The aim of the study was to explore the usefulness of SI as an early index of prognosis for septic shock in children. METHODS: The study was retrospective and performed in 1 pediatric intensive care unit at a university hospital. The following specific data were collected at 0, 1, 2, 4, and 6 hours after admission: HR and SBP for SI calculation and lactate concentration. Patients were divided into 2 groups according to their outcome (death/survival). RESULTS: A total of 146 children admitted with septic shock between January 2000 and April 2010 were included. Shock index was significantly different between survivors and nonsurvivors at 0, 4, and 6 hours after admission (P = 0.02, P = 0.03, and P = 0.008, respectively). Age-adjusted SIs were different between survivors and nonsurvivors at 0 and 6 hours, with a relative risk of death at these time points of 1.85 (1.04-3.26) (P = 0.03) and 2.17 (1.18-3.96) (P = 0.01), respectively. Moreover, an abnormal SI both at admission and at 6 hours was predictive of death with relative risk of 1.36 (1.05-1.76). CONCLUSIONS: In our population of children with septic shock, SI was a clinically relevant and easily calculated predictor of mortality. It could be a better measure of hemodynamic status than HR and SBP alone, allowing for the early recognition of severe sepsis.


Subject(s)
Severity of Illness Index , Shock, Septic/mortality , Age Factors , Blood Pressure , Child , Child, Preschool , Early Diagnosis , Female , Heart Rate , Hospitals, University/statistics & numerical data , Humans , Infant , Intensive Care Units, Pediatric/statistics & numerical data , Lactates/blood , Male , Prognosis , Retrospective Studies , Shock, Septic/microbiology , Shock, Septic/physiopathology , Shock, Septic/therapy , Survival Analysis
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