Impact of bystander-performed ventilation on functional outcomes after cardiac arrest and factors associated with ventilation-only cardiopulmonary resuscitation: A large observational study

Resuscitation
Tetsuo MaedaHideo Inaba

Abstract

To determine the effectiveness of ventilations in bystander cardiopulmonary resuscitation (BCPR) and to identify the factors associated with ventilation-only BCPR. From out-of-hospital cardiac arrest (OHCA) data prospectively collected from 2005 to 2011 in Japan, we extracted data for 210,134 bystander-witnessed OHCAs with complete datasets but no prehospital involvement of physician [no BCPR, 115,733; ventilation-only, 2093; compression-only, 61,075; and conventional (compressions+ventilations) BCPR, 31,233] and determined the factors associated with 1-month neurologically favourable survival using simple and multivariable logistic regression analyses. In 91,885 patients with known BCPR durations, we determined the factors associated with ventilation-only BCPR. The rate of survival in the no BCPR, ventilation-only, compression-only and conventional group was 2.8%, 3.9%, 4.5% and 5.0%, respectively. After adjustment for other factors associated with outcomes, the survival rate in the ventilation-only group was higher than that in the no BCPR group (adjusted OR; 95% CI, 1.29; 1.01-1.63), but lower than that in the compression-only (0.76; 0.59-0.96) or conventional groups (0.70; 0.55-0.89). Conventional CPR had the highest OR for...Continue Reading

References

Jul 1, 1997·European Heart Journal·M Kuisma, A Alaspää
Aug 1, 1997·Resuscitation·J BahrD Kettler
Jan 29, 2000·Annals of Emergency Medicine·E Isaacs, M L Callaham
May 29, 2000·The New England Journal of Medicine·A HallstromM Copass
Mar 6, 2010·Lancet·Tetsuhisa KitamuraUNKNOWN implementation working group for All-Japan Utstein Registry of the Fire and Disaster Management Agency
Oct 7, 2010·JAMA : the Journal of the American Medical Association·Bentley J BobrowGordon A Ewy

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