VACAR Annual Report 2011/12 - Ambulance Victoria

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DEMOGRAPHICS Demographics of adults, resuscitation attempted In 2011/12, AV paramedics attempted resuscitation in 1,978 adult victims of cardiac arrest 1 . These patients represent a diverse population, and vary significantly in factors which are likely to impact on their survival. Adults who received an emergency resuscitation attempt were likely to be younger, more often witnessed by a bystander, and more likely to have received efforts at CPR by a member of the public. Figure 11: Gender distribution, 2011/12 (left). 1 69% 41% Figure 12: Proportion of adult events witnessed by bystanders, 2011/12 (right). 1 31% 59% Female Male Witnessed Not Witnessed Figure 13: Proportion of adult events occuring across DH regions, 2011/12 (left). 1 28% 74% Figure 14: Proportion of adult events occuring in a public location, 2011/12 (right). 1 72% 26% Metropolitan Rural Public Location Not Public Figure 15: Proportion of adult events receiving bystander CPR, 2011/12 (left). 1 34% 67% Figure 16: Proportion of adult events presenting in VF or VT on arrival, 2011/12 (right). 1 66% 33% Bystander CPR No Bystander CPR Present in VF/VT Other Rhythm 1. Adults > 15 years or missing age, who received EMS attempted resuscitation, excluding EMS witnessed events. VACAR Annual Report 2011/12 Page 26
Age Category DEMOGRAPHICS Demographics of paediatrics The vast majority of paediatric OHCA occur in infants aged two years and younger. This trend has remained consistent over the past 10 years. Differences in the age profiles of children across gender can be observed with the median ages showing some variation (male = 1.0 years, female = 2.0 years). A significantly higher proportion of cardiac arrests in the 13-15 year age group are attributed to females. Figure 17: Age distribution for paediatric events, 2011/12. 1 13-15 Years 9-12 Years 3-8 Years 1 - 2 Years 1 - 12 Months < 1 Month 40% 30% 20% 10% 0% 10% 20% 30% 40% Male Female In contrast to adult OHCA events, paediatrics were more likely to receive bystander CPR (71%). The vast majority of paediatric events present in an asystolic rhythm (79%), with only 2% presenting in VF/VT on arrival of paramedics. Figure 18: Demographics of paediatric OHCA events, 2011/12. 1 1 Median age (years) 67 % Male gender 22 % 30 % Witnessed by Public location bystander 2 % Present in VF/VT 72 % Receive bystander CPR 1. Paediatrics < 16 years, excluding EMS witnessed events. VACAR Annual Report 2011/12 Page 27
Page 1 and 2: [Cover Page] VACAR Annual Report 20
Page 3 and 4: Victorian Ambulance Cardiac Arrest
Page 5 and 6: This document has been prepared by
Page 7 and 8: Contents List of tables Page 9 List
Page 9 and 10: List of tables Table 1: VACAR inclu
Page 11 and 12: Figure 27: Direction of first bysta
Page 13 and 14: Victorian Ambulance Cardiac Arrest
Page 15 and 16: About this report While cardiovascu
Page 17 and 18: Data capture Ambulance Victoria’s
Page 19 and 20: Executive summary 1. There were 5,1
Page 21 and 22: VACAR Annual Report 2011/12 Page 21
Page 23 and 24: Frequency INCIDENCE Incidence of ad
Page 25: Age Category (Years) DEMOGRAPHICS D
Page 29 and 30: PRECIPITATING EVENTS Paediatric pre
Page 31 and 32: Proportion LOCATION OF ARREST Arres
Page 35 and 36: Time (Minutes) EARLY ACCESS Emergen
Page 37 and 38: Time (Minutes) Survival EARLY DEFIB
Page 39 and 40: [This page is blank] VACAR Annual R
Page 43 and 44: Proportion SCENE OUTCOMES Return of
Page 45 and 46: Proportion Survival SURVIVAL OUTCOM
Page 47 and 48: SURVIVAL OUTCOMES Risk-adjusted odd
Page 49 and 50: QUALITY OF LIFE Discharge direction
Page 51 and 52: Glossary of terms Table 6: Glossary
Page 53 and 54: The VACAR group Table 8: Members of
Page 55 and 56: [This page is blank] VACAR Annual R

VACAR Annual Report 2011/12 - Ambulance Victoria

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