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摘要
Objective Compared with no music (NM), does listening to %26apos;Achy breaky heart%26apos; (ABH) or %26apos;Disco science%26apos; (DS) increase the proportion of prehospital professionals delivering chest compressions at 2010 guideline-compliant rates of 100-120 bpm and 50-60 mm depths? %26lt;br%26gt;Methods A randomised crossover trial recruiting at an Australian ambulance conference. Volunteers performed three 1-min sequences of continuous chest compressions on a manikin accompanied by NM, repeated choruses of ABH and DS, prerandomised for order. %26lt;br%26gt;Results 37 of 74 participants were men; median age 37 years; 61% were paramedics, 20% students and 19% other health professionals. 54% had taken cardiopulmonary resuscitation training within 1 year. Differences in compression rate (mode, IQR) were significant for NM (105, 99-116) versus ABH (120, 107-120) and DS (104, 103-107) versus ABH (p %26lt; 0.001) but not NM versus DS (p = 0.478). Differences in proportions of participants compressing at 100-120 bpm were significant for DS (61/74, 82%) versus NM (48/74, 65%, p = 0.007) and DS versus ABH (47/74, 64%, p = 0.007) but not NM versus ABH (p = 1). Differences in compression depth were significant for NM (48 mm, 46-59 mm) versus DS (54 mm, 44-58 mm, p = 0.042) but not NM versus ABH (54 mm, 43-59 mm, p = 0.065) and DS versus ABH (p = 0.879). Differences in proportions of subjects compressing at 50-60 mm were not significant (NM 31/74 (42%); ABH 32/74 (43%); DS 29/74 (39%); all p %26gt; 0.5). %26lt;br%26gt;Conclusions Listening to DS significantly increased the proportion of prehospital professionals compressing at 2010 guideline-compliant rates. Regardless of intervention more than half gave compressions that were too shallow. Alternative audible feedback mechanisms may be more effective.
- 出版日期2012-4
