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1.
Int J Cardiol ; 299: 140-146, 2020 01 15.
Artigo em Inglês | MEDLINE | ID: mdl-31400888

RESUMO

BACKGROUND: Randomized controlled trials or observational studies showed that the use of public-access automated external defibrillator (AED) was effective for patients with out-of-hospital cardiac arrest (OHCA). However, it is unclear whether public-access AED use is effective for all patients with OHCA irrespective of first documented rhythm. We aimed to evaluate the effect of public-access AED use for OHCA patients considering first documented rhythm (shockable or non-shockable) in public locations. METHODS: From the Utstein-style registry in Osaka City, Japan, we obtained information on adult patients with OHCA of medical origin in public locations before emergency-medical-service personnel arrival between 2011 and 2015. Primary outcome was 1-month survival with favorable neurological outcome. Multivariable logistic regression analysis was performed to assess the association between the public-access AED pad application and favorable neurological outcome after OHCA by using one-to-one propensity score matching analysis. RESULTS: Among 1743 eligible patients, a total of 336 (19.3%) patients received public-access AED pad application. The proportion of patients who survived 1-month with favorable neurological outcome was significantly higher in the pad application group than in the non-pad application group (29.8% vs. 9.7%; adjusted odds ratio [AOR], 2.85; 95% confidence interval [CI], 1.73-4.68, AOR after propensity score matching, 2.46; 95% CI, 1.29-4.68). In a subgroup analysis, the AORs of patients with shockable or non-shockable rhythms were 3.36 (95% CI, 1.78-6.35) and 2.38 (95% CI, 0.89-6.34), respectively. CONCLUSIONS: Public-access AED pad application was associated with better outcome among patients with OHCA of medical origin in public locations irrespective of first documented rhythm.

2.
Scand J Trauma Resusc Emerg Med ; 27(1): 79, 2019 Aug 23.
Artigo em Inglês | MEDLINE | ID: mdl-31443673

RESUMO

BACKGROUND: Little is known about the associations between the duration of prehospital cardiopulmonary resuscitation (CPR) by emergency medical services (EMS) and outcomes among paediatric patients with out-of-hospital cardiac arrests (OHCAs). We investigated these associations and the optimal prehospital EMS CPR duration by the location of arrests. METHODS: We included paediatric patients aged 0-17 years with OHCAs before EMS arrival who were transported to medical institutions after resuscitation by bystanders or EMS personnel. We excluded paediatric OHCA patients for whom CPR was not performed, who had cardiac arrest after EMS arrival, whose EMS CPR duration were < 0 min or ≥120 min and who had cardiac arrest in healthcare facilities. Prehospital EMS CPR duration was defined as the time from CPR initiation by EMS personnel to the time of prehospital return of spontaneous circulation or to the time of hospital arrival. The primary outcome was 1-month survival with a favourable neurological outcome (cerebral performance category scale 1 or 2). Statistical analysis was performed with Mann-Whitney U tests for numerical variables and chi-squared test for categorical variables. Univariable and multivariable logistic regression analyses were applied to assess the association between prehospital EMS CPR duration and a favourable neurological outcome, and crude and adjusted odds ratios and their 95% confidence intervals were calculated. RESULTS: The proportion of patients with a favourable neurological outcome was lower in residential locations than in public locations (2.3% [66/2865] vs 10.8% [113/1048]; P < .001). In both univariable and multivariable logistic regression analyses, the proportion of patients with a favourable neurological outcome decreased as prehospital EMS CPR duration increased, regardless of the location of arrests (P for trend <.001). However, some patients achieved a favourable neurological outcome after a prolonged prehospital EMS CPR duration (> 30 min) in both groups (1.4% [6/417] in residential locations and 0.6% [1/170] in public locations). CONCLUSIONS: A longer prehospital EMS CPR duration is independently associated with a lower proportion of patients with a favourable neurological outcome. The association between prehospital EMS CPR duration and neurological outcome differed significantly by location of arrests.


Assuntos
Reanimação Cardiopulmonar , Serviços Médicos de Emergência , Doenças do Sistema Nervoso/epidemiologia , Parada Cardíaca Extra-Hospitalar/terapia , Adolescente , Distribuição de Qui-Quadrado , Criança , Pré-Escolar , Estudos de Coortes , Feminino , Humanos , Lactente , Recém-Nascido , Japão , Masculino , Razão de Chances , Parada Cardíaca Extra-Hospitalar/complicações , Parada Cardíaca Extra-Hospitalar/mortalidade , Sistema de Registros , Fatores de Tempo
3.
Resuscitation ; 143: 165-172, 2019 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-31302105

RESUMO

OBJECTIVES: This study aimed to evaluate whether intra-aortic balloon pump (IABP) use in nontraumatic out-of-hospital cardiac arrest (OHCA) patients who achieved return of spontaneous circulation (ROSC) is associated with favorable neurological outcome after OHCA. BACKGROUND: The association between the IABP use in OHCA patients and favorable neurological outcome has not been extensively evaluated. METHODS: The Comprehensive Registry of Intensive Cares for OHCA Survival (CRITICAL) study, a multicenter, prospective observational registry in Osaka, Japan, included consecutive nontraumatic OHCA patients aged ≥18 years who achieved ROSC from July 2012 to December 2016. The primary outcome was 1-month survival with favorable neurological outcome. Logistic regression analysis was used to evaluate the association between the IABP use or non-IABP use and favorable neurological outcome using one-to-one propensity score (PS) matching analysis. RESULTS: Among the 2894 eligible patients, 10.4% used IABP, and 89.6% did not use IABP. In all patients, the proportion of 1-month survival with favorable neurological outcome was higher in the IABP use group than in the non-IABP use group (30.7% [92/300] vs. 13.2% [342/2594]). However, in PS-matched patients, the proportions of 1-month survival with favorable neurological outcome were almost consistent, and there were no significant differences between the IABP use group and the non-IABP use group (37.3% [59/158] vs. 41.1% [65/158]; adjusted odds ratio, 0.97; 95% confidence interval, 0.48-1.96). CONCLUSIONS: In this population, the current PS matching analysis did not reveal any association between the IABP use and 1-month survival with favorable neurological outcome among adult patients with ROSC after OHCA.

4.
Eur Heart J Acute Cardiovasc Care ; : 2048872619848883, 2019 May 13.
Artigo em Inglês | MEDLINE | ID: mdl-31081678

RESUMO

BACKGROUND: Little is known about the association between serum potassium level on hospital arrival and neurological outcome after out-of-hospital cardiac arrest (OHCA). We investigated whether the serum potassium level on hospital arrival had prognostic indications for patients with OHCA. METHODS: This prospective, multicenter observational study conducted in Osaka, Japan (CRITICAL study) enrolled consecutive patients with OHCA transported to 14 participating institutions from 2012 to 2016. We included adult patients aged ⩾18 years with OHCA of cardiac origin who achieved return of spontaneous circulation and whose serum potassium level on hospital arrival was available. Based on the serum potassium level, patients were divided into four quartiles: Q1 (K ⩽3.8 mEq/L), Q2 (3.8< K⩽4.5 mEq/L), Q3 (4.5< K⩽5.6 mEq/L) and Q4 (K >5.6 mEq/L). The primary outcome was one-month survival with favorable neurological outcome, defined as cerebral performance category scale 1 or 2. RESULTS: A total of 9822 patients were registered, and 1516 of these were eligible for analyses. The highest proportion of favorable neurological outcome was 44.8% (189/422) in Q1 group, followed by 30.3% (103/340), 11.7% (44/375) and 4.5% (17/379) in the Q2, Q3 and Q4 groups, respectively ( p<0.001). In the multivariable analysis, the proportion of favorable neurological outcome decreased as the serum potassium level increased ( p<0.001). CONCLUSIONS: High serum potassium level was significantly and dose-dependently associated with poor neurological outcome. Serum potassium on hospital arrival would be one of the effective prognostic indications for OHCA achieving return of spontaneous circulation.

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