The relationship between initial blood pH during cardiopulmonary resuscitation in cardiac arrest patients and outcomes

Background: Because it implies severe acidosis, which represents more systemic injury and lower odds of effective resuscitation or recovery without neurological damage, lower initial blood pH during cardiopulmonary resuscitation (CPR) in cardiac arrest patients is associated with worse results. Aim: This study sought to identify the connection between patient outcomes and the initial blood pH values during CPR. Methods: 900 patients who either witnessed or were not witnesses to an arrest participated in this prospective observational study. Positive and negative neurological results were classified. A cerebral performance category (CPC) score of 1 or 2 is considered favorable since it indicates a good recovery or controlled impairment. A CPC score of 3 to 5 is considered unfavorable since it denotes death, a vegetative state, or significant impairment. Results: Initial PH level was significantly higher in the shockable group than the non-shockable group (P value=0.042), the sustained restoration of spontaneous circulation (ROSC) group than the not sustained ROSC group (P value=0.004), the survival group than the non-survival group (P value