The sympathoadrenal system is unable to maintain cerebral perfusion pressure in the upright posture.
交感肾上腺系统不能维持直立位的脑灌注压。
On the other hand, Kurz et al have shown that IMA levels rose significantly after 4 hours in patients with and without reversible perfusion defects.34.
另一方面，Kurz等人的研究表明：无论患者是否患有可逆性灌注缺损，IMA水平都会在4小时之后显著升高(文献34)。
Conclusion: perfusion CT provides valuable hemodynamic information and shows the extent of perfusion disturbances for patients with TIA.
结论：CT脑灌注成像能够为TIA患者提供有价值的脑血流动力学信息，显示灌注异常的范围。
SPECT lung perfusion scanning is a simple, convenient and useful method for assessing pulmonary flow qualitatively and semi-quantitatively.
SPECT肺灌注显像是定性、半定量分析肺血流的简单、方便、有用的方法。
Capillary non-perfusion zone was confirmed by fluorescence angiography.
毛细血管无灌注区用眼底荧光造影确定。
This laboratory study used perfusion of cultured human anterior segments.
这项实验研究对培养过的人眼前房进行灌注。
Monitoring tissue PCO_2 is regarded as an ideal index of tissue perfusion.
组织CO_2监测被认为是监测组织灌注的理想指标。
Causes of syncope include any process that transiently reduces cerebral perfusion.
晕厥的原因包括任何可以暂时性减少脑灌注的病变。
Aim: to establish a new method for controlling automatically the carotid perfusion pressure.
目的：建立一种自动控制颈动脉窦区灌流压的新方法。
Additionally, patients may have decreases in cardiac output and cerebral perfusion pressures.
病人也容易有心输出量减少，脑组织灌注压降低。
Objective: To obtain stereoscopic structure of blood stream perfusion in thyroid benign tumor.
目的：为了获取甲状腺良性肿块血流灌注的立体结构。
The time-intensity curve (tic), peak time and hepatic perfusion index of each group were analyzed.
分析各组受检者的时间-信号强度曲线、峰值时间和肝脏灌注指数。
Rat intestine perfusion was use to compare aspersaponin absorption under with and without phospholipid.
采用大鼠在体肠灌流法，比较续断总皂苷及其磷脂复合物的在体肠吸收情况。
A significant increase in plasma carbonyl levels during perfusion was seen after 25 and 40 min WIT only.
在经历25分钟和40分钟的WIT后，灌注期间出现明显的血浆羧基水平的升高。
Objective:To evaluate the characteristics of myocardial perfusion using first pass perfusion MR imaging.
目的：通过MR灌注成像评价急性梗死心肌组织血流灌注特点。
Objective: To study the value of ct perfusion combined with ct angiography in diagnosis of cervical vertigo.
目的：探讨脑ct灌注成像联合ct血管造影成像对颈性眩晕病因的诊断价值。
Objective To explore micro-perfusion in graft after liver transplantation with contrast-enhanced ultrasound.
目的运用超声造影技术研究移植肝微灌注状况。
Using the ISPC device was shown to improve cardiac output and visceral perfusion during pneumoperitoneum (PP).
运用这项ISPC设备可显示在造气腹过程中心输出量增加以及内脏血流灌注得以改善。
As the base of bridge, the quality of drilling perfusion stake affects the whole project construction of bridge.
钻孔灌注桩作为桥梁的基础，其质量好坏关系到整个桥梁工程建设的成败。
Objective To evaluate methods of MR perfusion weighted imaging (PWI) in brain neoplasms and its clinical application value.
目的初步评价磁共振脑肿瘤灌注成像(PWI)的成像方法及其临床应用价值。
The cumulative dose from an initial noncontrast CT scan followed by a CT perfusion study, for example, isn't easy to assess.
从初诊平扫CT到CT灌注扫描的进一步检查，总剂量可能难以评估。
Finally, decreased myocardial perfusion at rest was associated with delayed contraction and increased extent of dyssynchrony.
最后，静息心肌灌注减少与延迟收缩及不同步范围增加是相关的。
Objective To explore the efficacy and safety of HB - H - 6 resin plasma perfusion for the treatment of jaundice dog animal model.
目的探讨HB-H-6树脂血浆灌流治疗黄疸犬动物模型的有效性和安全性。
Normal erythrocyte degeneration is an essential condition for normal perfusion of microcirculation and normal oxygen transportation.
红细胞流变性的正常是保持微循环正常灌注和氧气运输的必要条件。
Objective: to study the scanning and postprocessing technique of MR perfusion and its application in evaluating cerebral astrocytoma.
目的：研究MR灌注成像的扫描技术、后处理技术及其评价脑星形细胞瘤的价值。
Thallium-201 myocardial perfusion scintigraphy was performed in 46 patients with coronary artery disease and 12 normal control subjects.
我们对46例冠心病患者及12名作对照的正常人进行了心脏铊201灌注闪烁检查。
Thallium-201 myocardial perfusion scintigraphy was performed in 46 patients with coronary artery disease and 12 normal control subjects.
我们对46例冠心病患者及12名作对照的正常人进行了心脏铊201灌注闪烁检查。
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