Duration of regional cerebral oxygen saturation under 40% is a risk factor for neurological injury following pulmonary thromboendarterectomy: A prospective observational study.
Zhan LiuXiaopeng LiuFan LinXia ZhengYuguang YangYajun ZhangYinghui FangZhidong YePeng LiuGuang SunYanan ZhenPublished in: Journal of cardiac surgery (2022)
under 40% is detected, rather than waiting for 5 min.