平均动脉压(MAP)
计算平均动脉压
创建者Min 0 – Max 400
简介
血压目标值与多种疾病的预后改善相关,包括脓毒症、卒中、创伤、高血压急症和颅内出血。临床指南通常以收缩压(SBP)或平均动脉压(MAP)作为血压目标。然而,当需要关注器官灌注是否充足时,多项指南建议依据 MAP 而非 SBP 调整血压。例如拯救脓毒症运动2021年成人指南。
公式
平均动脉压(MAP)由患者的收缩压(SBP)和舒张压(DBP)推算得出。MAP 常被推荐作为血流的替代指标,并且由于心动周期的三分之二处于舒张期,MAP 可能比 SBP 更能反映组织灌注。
平均动脉压(MAP)= 1/3 * SBP + 2/3 * DBP
目标与管理(拯救脓毒症运动指南委员会)
MAP ≥ 60 mm Hg:维持充足组织灌注所必需。
MAP ≥ 65 mm Hg:建议用于严重脓毒症和脓毒性休克。
所有问题及可能的结果
问题标题不可见
收缩压
A number between 0 and 400, in mm Hg.
舒张压
A number between 0 and 200, in mm Hg.
可能的结果
平均动脉压(MAP)
目标与管理(拯救脓毒症运动指南委员会)
- MAP ≥ 60 mm Hg:维持充足组织灌注所必需。
- MAP ≥ 65 mm Hg:建议用于严重脓毒症和脓毒性休克。
引用
Magder SA. The highs and lows of blood pressure: toward meaningful clinical targets in patients with shock. Crit Care Med. 2014 May;42(5):1241-51. doi: 10.1097/CCM.0000000000000324. PMID: 24736333.
文献
The highs and lows of blood pressure: toward meaningful clinical targets in patients with shock. Crit Care Med. 2014 May;42(5):1241-51.
https://pubmed.ncbi.nlm.nih.gov/24736333/Systolic and Diastolic Blood Pressure, Pulse Pressure, and Mean Arterial Pressure as Predictors of Cardiovascular Disease Risk in Men. Hypertension. 2000 (36) 801-807.
https://www.ahajournals.org/doi/full/10.1161/01.hyp.36.5.801Surviving Sepsis Campaign: International Guidelines for Management of Sepsis and Septic Shock 2021. Critical Care Medicine 49(11):p e1063-e1143, November 2021.
https://journals.lww.com/ccmjournal/fulltext/2021/11000/surviving_sepsis_campaign__international.21.aspx
- 创建者
Dr. Sheldon Magder, MDSenior physician in Critical Care Department, Royal Victoria Hospital, McGill University Health Centre, Montreal, Quebec, Canada. Professor of Medicine and Physiology at McGill University.
- 提供方
EVAL Foundation
- 贡献者 · 审核者
Jennifer Glen, DNP, FNP-BCEVAL Health, Chief Medical Officer EVAL Foundation