微循环在围手术期医学中的研究进展2023.docx
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1、微循环在围手术期医学中的研究进展2023微循环是心血管系统中最小血管组成的网络。在微循环水平上,氧输送 取决于毛细血管内携氧红细胞的流动(毛细血管红细胞流动)和毛细血管网 络的密度(毛细血管密度)。在接受择期手术的患者中,舌下微循环通常完 好且功能正常。全麻诱导会略微降低毛细血管红细胞流动并增加毛细血管 密度。即便较大的非心脏手术中,舌下微循环仍能维持正常。但是,非心 脏手术后舌下微循环是否受损尚无确切答案。心脏手术,特别是体外循环 时,是否影响舌下微循环也有待回答。针对微循环的治疗干预效果有待阐 明和测试。2024年1月,来自德国汉堡大学医学中心、瑞士苏黎世大 学医院重症监护医学研究所、法国
2、巴黎-萨克雷大学以及美国克利夫兰医学 中心的4位学者,就微循环与围手术期医学进行专题综述,在线刊发于 British Journal of AnaesthesiaoV T ABritish Journal of Anaesthesial xxx (xxx): xxx (XXXX)Jdm: W.1016.baJ023.10.033Advance Access Publication Date: xxxReview ArticleREVIEW ARTICLEThe microcirculation in perioperative medicine: a narrative reviewMorit
3、z Flick1*O, Matthias P. Hilty2, Jacques Duranteau3 and Bemd Saugel141Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicinet University Medical Center Hamburg-Eppendorf, Hamburg, Germany, 2Institute of Intensive Care Medicine, University Hospital of Zurich, Zurich, Switze
4、rland. 3Department of Anesthesiology and Intensive Care. Paris-Saclay University, Bicetre Hospital, Assistance Publique Hdpitaux de Paris (AP-HP)t Le KremlinBicetret France and 40utmes Research Consortium, Cleveland, OH, USACorresponding author. E-mail: m.flckuke.deSummaryThe microcirculation descri
5、bes the network of the smallest vessels in our cardiovascular system. On a microdrculatory level, oxygen delivery is determined by the flow of oxygen-carrying red bld cells in a given single capillary (capillary red bld cell flow) and the density of the capillary network in a given tissue volume (ca
6、pillary vessel density), Handheld vital videomicroscopy enables visualisation of the capillary bed on the surface of organs and tissues but currently is only used for research. Measurements are generally possible on all organ surfaces but are most often performed in the sublingual area. In patients
7、presenting for elective surgery, the sublingual microcirculation is usually intact and functional. Induction of general anaesthesia slightly decreases capillary red blood cell flow and increases capillary vessel density. During elective, even major, noncardiac surgery, the sublingual microcirculatio
8、n is preserved and remains functional, presumably because elective noncardiac surgery is scheduled trauma and haemodynamic alterations are immediately treated by anaesthesiologistsy usually restoring the macrocirculation before the microcirculation is substantially impaired. Additionally, surgery is
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