Abstract：
BACKGROUND: One of the leading causes of morbidity and mortality worldwide is out-of-hospital cardiac arrest. Early defibrillation and high-quality cardiopulmonary resuscitation (CPR) have improved survival. The main goal of CPR is to achieve return of spontaneous circulation (ROSC), which is assessed by looking for a pulse, analyzing the heart rhythm, and assessing carbon dioxide levels. The use of cartography during CPR to confirm the correct position of the endotracheal tube during intubation or to assess the effectiveness of chest compressions has increased significantly in the last years. The aim of this review was to identify correlations between end-tidal carbon dioxide levels and the likelihood of ROSC in patients with out-of-hospital cardiac arrest.
METHODS: A literature search was performed in MEDLINE (via Pubmed), Scopus, Web of Science, and Google Scholar databases from September to November 2022. Keywords combined with the Boolean operators (AND/OR) were used in both free text and Medical Subject Headings. Studies on adult patients published between 01/01/2016 and 28/09/2022 were searched, with no geographical restrictions.
RESULTS: At the end of the selection process, 14 studies were included that investigated capnography in out-of-hospital CPR and reported at least 1 outcome between end-tidal carbon dioxide and ROSC or survival.
CONCLUSIONS: Capnography is an advantageous tool due to its noninvasive characteristics, ease of use, and immediacy of data. In out-of-hospital cardiac arrest, the use of the end-tidal carbon dioxide appears to be an appropriate complementary tool to support clinical decisions, such as correct positioning of the endotracheal tube, optimizing ventilation in CPR, and as a predictor of ROSC.
METHODS: A literature search was performed in MEDLINE (via Pubmed), Scopus, Web of Science, and Google Scholar databases from September to November 2022. Keywords combined with the Boolean operators (AND/OR) were used in both free text and Medical Subject Headings. Studies on adult patients published between 01/01/2016 and 28/09/2022 were searched, with no geographical restrictions.
RESULTS: At the end of the selection process, 14 studies were included that investigated capnography in out-of-hospital CPR and reported at least 1 outcome between end-tidal carbon dioxide and ROSC or survival.
CONCLUSIONS: Capnography is an advantageous tool due to its noninvasive characteristics, ease of use, and immediacy of data. In out-of-hospital cardiac arrest, the use of the end-tidal carbon dioxide appears to be an appropriate complementary tool to support clinical decisions, such as correct positioning of the endotracheal tube, optimizing ventilation in CPR, and as a predictor of ROSC.
摘要：
背景：全世界发病率和死亡率的主要原因之一是院外心脏骤停。早期除颤和高质量心肺复苏（CPR）提高了生存率。心肺复苏的主要目标是实现自主循环的恢复（ROSC），通过寻找脉搏来评估，分析心律,并评估二氧化碳水平。在过去几年中，在CPR期间使用制图来确认气管插管期间气管导管的正确位置或评估胸部按压的有效性的方法显着增加。本综述的目的是确定院外心脏骤停患者潮气末二氧化碳水平与ROSC可能性之间的相关性。
方法：在MEDLINE（通过Pubmed）中进行了文献检索，Scopus,WebofScience,以及2022年9月至11月的GoogleScholar数据库。在自由文本和医学主题词中都使用了与布尔运算符（AND/OR）结合的关键词。搜索2016年1月1日至2022年9月28日之间发表的成人患者研究，没有地域限制。
结果：在选择过程结束时，包括14项研究，这些研究调查了院外CPR中的二氧化碳图，并报告了潮气末二氧化碳与ROSC或生存率之间的至少1个结果。
结论：由于其无创特性，二氧化碳描记术是一种有利的工具，易用性,数据的即时性。院外心脏骤停,使用潮气末二氧化碳似乎是支持临床决策的适当补充工具，如气管内导管的正确定位，优化心肺复苏术中的通气，并作为ROSC的预测因子。
方法：在MEDLINE（通过Pubmed）中进行了文献检索，Scopus,WebofScience,以及2022年9月至11月的GoogleScholar数据库。在自由文本和医学主题词中都使用了与布尔运算符（AND/OR）结合的关键词。搜索2016年1月1日至2022年9月28日之间发表的成人患者研究，没有地域限制。
结果：在选择过程结束时，包括14项研究，这些研究调查了院外CPR中的二氧化碳图，并报告了潮气末二氧化碳与ROSC或生存率之间的至少1个结果。
结论：由于其无创特性，二氧化碳描记术是一种有利的工具，易用性,数据的即时性。院外心脏骤停,使用潮气末二氧化碳似乎是支持临床决策的适当补充工具，如气管内导管的正确定位，优化心肺复苏术中的通气，并作为ROSC的预测因子。
