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論文 |
論文
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Takei, Yutaka ; Inaba, Hideo ; Yachida, Takahiro ; Enami, Miki ; Goto, Yoshikazu ; Ohta, Keisuke
概要:
Review: The interval between collapse and emergency call influences the prognosis of out-of-hospital cardiac arrest (OHC
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A). To reduce the interval, it is essential to identify the causes of delay. Methods: Basal data were collected prospectively by fire departments from 3746 OHCAs witnessed or recognised by citizens and in which resuscitation was attempted by emergency medical technicians (EMTs) between 1 April 2003 and 31 March 2008. EMTs identified the reasons for call delay by interview. Results: The delay, defined as an interval exceeding 2 min (median value), was less frequent in the urban region, public places and for witnessed OHCAs. Delay was more frequent in care facilities and for elderly patients and OHCAs with longer response times. Multiple logistic regression analysis indicated that urban regions, care facilities and arrest witnesses are independent factors associated with delay. The ratio of correctable causes (human factors) was high at care facilities and at home, compared with other places. Calling others was a major reason for delay in all places. Performing cardiopulmonary resuscitation (CPR) and other treatments was another major reason at care facilities. Large delay, defined as an interval exceeding 5 min (upper-quartile value), was an independent factor associated with a low 1-year survival rate. Conclusion: The incidence of correctable causes of delay is high in the community. Correction of emergency call manuals in care facilities and public relation efforts to facilitate an early emergency call may be necessary. Basic life support (BLS) education should be modified to minimise delays related to making an emergency call. © 2010 Elsevier Ireland Ltd.
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論文 |
論文
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Takei, Yutaka ; Nishi, Taiki ; Matsubara, Hiroki ; Hashimoto, Masaaki ; Inaba, Hideo
概要:
Aims: To identify the factors associated with good-quality bystander cardiopulmonary resuscitation (BCPR). Methods: Data
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were prospectively collected from 553 out-of-hospital cardiac arrests (OHCAs) managed with BCPR in the absence of emergency medical technicians (EMT) during 2012. The quality of BCPR was evaluated by EMTs at the scene and was assessed according to the standard recommendations for chest compressions, including proper hand positions, rates and depths. Results: Good-quality BCPR was more frequently confirmed in OHCAs that occurred in the central/urban region (56.3% [251/446] vs. 39.3% [42/107], p= 0.0015), had multiple rescuers (31.8% [142/446] vs. 11.2% [12/107], p< 0.0001) and received bystander-initiated BCPR (22.0% [98/446] vs. 5.6% [6/107], p< 0.0001). Good-quality BCPR was less frequently performed by family members (46.9% [209/446] vs. 67.3% [72/107], p= 0.0001), elderly bystanders (13.5% [60/446] vs. 28.0% [30/107], p= 0.0005) and in at-home OHCAs (51.1% [228/446] vs. 72.9% [78/107], p< 0.0001). BCPR duration was significantly longer in the good-quality group (median, 8 vs. 6. min, p= 0.0015). Multiple logistic regression analysis indicated that multiple rescuers (odds ratio. = 2.8, 95% CI 1.5-5.6), bystander-initiated BCPR (2.7, 1.1-7.3), non-elderly bystanders (1.9, 1.1-3.2), occurrence in the central region (2.1, 1.3-3.3) and duration of BCPR (1.1, 1.0-1.1) were associated with good-quality BCPR. Moreover, good-quality BCPR was initiated earlier after recognition/witness of cardiac arrest compared with poor-quality BCPR (3 vs. 4. min, p= 0.0052). The rate of neurologically favourable survival at one year was 2.7 and 0% in the good-quality and poor-quality groups, respectively (p= 0.1357). Conclusions: The presence of multiple rescuers and bystander-initiated CPR are predominantly associated with good-quality BCPR. © 2013 Elsevier Ireland Ltd.
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