Xueyan Tang, Hok Wan Chan Tseung, Douglas Moseley, Alexei Zverovitch, Cian O Hughes, Jon George, Jedediah E Johnson, William G Breen, Jing Qian
Deep learning based linear energy transfer calculation for proton therapy
Physics in medicine and biology
study aimed determine whether association conventional bystander cardiopulmonary resuscitation bcpr better outcomes drowningassociated outofhospital cardiac arrest ohca differs young older people nonmedical medical drowning japan observational study study used data japanese fire disaster management agency databases 504 561 ohca cases recorded nationwide database 2016 2019 16 376 32 presumably caused drowning main outcomes 1month neurological prognosis defined cerebral performance category 1 2 1month survival measures incidence drowning presumed cause ohca high winter middleaged older generations japan however ohca caused drowning younger generation frequently occurs summer furthermore younger patients higher incidences bystanderwitnessed cardiac arrest 220 bcpr provision 593 arrest outdoor settings 540 middleaged older generations 59 461 187 respectively patient younger arrest accidental conventional bcpr group better neurological outcomes compressiononly bcpr group 95 ci adjusted 122 122 180 557 respectively however case middleaged older generations medical categories significant difference outcomes two types bcpr conventional groups advantage maintained even matching conventional bystander cpr yielded higher neurologically favourable survival rate compressiononly bcpr ohca caused drowning patient younger arrest nonmedical conventional cpr education citizens chance witness drownings maintained