Assessment of blood and oxygen delivery to flaps of rhesus using near infrared steady-state spectroscopy  

作　　者：TIAN Fenghua DING Haishu CAI Zhigang WANG Guangzhi ZHAO Fuyun 

机构地区：[1]Department of Biomedical Engineering,School of Medicine,TsinghuaUniversity,Beijing 100084,China [2]Hospital of Stomatology,Peking University,Beijing 100081,China

出　　处：《Chinese Science Bulletin》2002年第21期1797-1802,共6页

基　　金：This work was supported by the National Natural Science Foundation of China (Grant No. 69778024) and Science Foundation of the Stomatology Hospital of Peking University.

摘　　要：Near infrared spectroscopy has been considered as a potentially ideal noninvasive technique for the postoperative monitoring of plastic surgery. In this study, 6 flaps were raised on rhesus monkeys’ forearms. Blood and oxygen delivery to these flaps was monitored following vascular occlusions and inhalation of pure oxygen. Optical fibers were adopted in the probe of the oximeter so that the cutaneous detection could be performed in reflectance mode. Different and repeatable patterns of changes were measured following vascular occlusions on flaps. It is clear that the near infrared spectroscopy is capable of postoperatively monitoring vascular problems in flaps, especially the venous problem. Near infrared spectroscopy showed high sensitivity to detect the dynamic changes in flaps induced by inhalation of pure oxygen in this study. The experimental results indicated that it was potential to assess tissue viability utilizing the dynamic changes induced by some noninvasive stimulation (such as inhalingNear infrared spectroscopy has been considered as a potentially ideal noninvasive technique for the postoperative monitoring of plastic surgery. In this study, 6 flaps were raised on rhesus monkeys’ forearms. Blood and oxygen delivery to these flaps was monitored following vascular occlusions and inhalation of pure oxygen. Optical fibers were adopted in the probe of the oximeter so that the cutaneous detection could be performed in reflectance mode. Different and repeatable patterns of changes were measured following vascular occlusions on flaps. It is clear that the near infrared spectroscopy is capable of postoperatively monitoring vascular problems in flaps, especially the venous problem. Near infrared spectroscopy showed high sensitivity to detect the dynamic changes in flaps induced by inhalation of pure oxygen in this study. The experimental results indicated that it was potential to assess tissue viability utilizing the dynamic changes induced by some noninvasive stimulation (such as inhaling pure oxygen). It may be a new assessing method that is rapid, little influenced by other factors and less inconvenient to patients.

关 键 词：near infrared SPECTROSCOPY plastic surgery BLOOD oxy-genation flap. 

分 类 号：Q95-33[生物学—动物学]