ライフサイエンスコーパス: oxygen extraction fraction

1 first 5 minutes, without changes in cerebral oxygen extraction fraction.

2 d flow, blood volume, oxygen metabolism, and oxygen extraction fraction.

3 lood flow, cerebral blood volume, CMRO2, and oxygen extraction fraction.

4 7% vs. 11+/-15%, p<.05, and increased global oxygen extraction fraction.

5 ue oxygen and significantly reduced regional oxygen extraction fraction.

6 ed as the product of cerebral blood flow and oxygen extraction fraction.

7 erebral blood flow = 40.8-46.3 ml/100 g/min; oxygen extraction fraction = 0.33-0.38).

8 erebral blood flow = 46.2-56.8 ml/100 g/min; oxygen extraction fraction = 0.39-0.50) relative to cont

9 /min, p < .05) and a significant decrease in oxygen extraction fraction (33.4 +/- 5.9 vs. 30.3 +/- 4.

10 [range, 34-88] mumol/100 mL/min) but a lower oxygen extraction fraction (38% [range, 29%-50%] vs 89%

11 n tomography for the measurement of cerebral oxygen extraction fraction and (b) computed tomographic

12 Oxygen extraction fraction and cerebral blood flow were

13 d flow (p<.001) and resulted in increases in oxygen extraction fraction and ischemic brain volume (17

14 (15)O-CO scans were used to derive RV flow, oxygen extraction fraction, and blood volume, respective

15 volume, cerebral oxygen metabolism (CMRO2), oxygen extraction fraction, and brain tissue oximetry we

16 found in seven of 36 patients with increased oxygen extraction fraction, and in two of 39 with normal

17 f regional cerebral blood flow, the regional oxygen extraction fraction, and the regional metabolic r

18 evaluate physiological relationships between oxygen extraction fraction, cerebral blood flow, and cli

19 hout sickle cell trait to assess whole-brain oxygen extraction fraction, cerebral blood flow, degree

20 delivery and utilization using the sd of the oxygen extraction fraction distribution.

21 only in symptomatic patients with increased oxygen extraction fraction (eight of 36 patients; P =.00

22 o quickly and non-invasively detect elevated oxygen extraction fraction in individuals with sickle ce

23 traction fraction of 40% (the mean value for oxygen extraction fraction in normal controls) was 14 mm

24 oxygen delivery associated with reduction in oxygen extraction fraction, independent of Hgb level (p

25 mages were acquired; cerebral blood flow and oxygen extraction fraction maps were obtained from which

26 goal is to determine to what extent elevated oxygen extraction fraction may be uniquely present in pa

27 sonance imaging-based assessment of elevated oxygen extraction fraction might be a viable screening t

28 ood flow (CBF), cerebral blood volume (CBV), oxygen extraction fraction (OEF) and the cerebral rate f

29 Cerebral blood flow (CBF) and oxygen extraction fraction (OEF) are elevated in SCA, li

30 consumption (MMRO2, mL.min-1 x 100 g-1) and oxygen extraction fraction (OEF) by use of positron emis

31 Patient demographics, comorbidities, oxygen extraction fraction (OEF) data and 24 h interview

32 STLCOS) demonstrated that increased cerebral oxygen extraction fraction (OEF) detected by PET scannin

33 PET measurement of increased oxygen extraction fraction (OEF) identifies patients at

34 t inhalation of (15)O-O(2) provides regional oxygen extraction fraction (OEF) in a shorter acquisitio

35 volume (CBV), oxygen metabolism (CMRO2) and oxygen extraction fraction (OEF) using 15O PET.

36 Blood flow and oxygen extraction fraction (OEF) were calculated from dy

37 ional resting cerebral blood flow (CBF), (2) oxygen extraction fraction (OEF), and (3) cerebral metab

38 Oxygen extraction fraction (OEF), defined by the ratio o

39 ng a multiple-variable sensor, and images of oxygen extraction fraction (OEF), derived from positron

40 cular oxygen tension (PO2) and inner retinal oxygen extraction fraction (OEF), whereas outer retinal

41 o co-registered PET maps of CBF, CMRO(2) and oxygen extraction fraction (OEF).

42 type indicator [MTI]) and oxygen metabolism (oxygen extraction fraction [OEF] and cerebral metabolic

43 brain tissue oxygen value associated with an oxygen extraction fraction of 40% (the mean value for ox

44 rmal adult human brain in terms of the brain oxygen extraction fraction or OEF.

45 Oxygen extraction fraction (P < 0.0001) but not cerebral

46 ction fraction, and in two of 39 with normal oxygen extraction fraction (P =.08, difference not signi

47 relationship between brain tissue oxygen and oxygen extraction fraction (r = .21, p < .05); the brain

48 olic rate of oxygen consumption (rMMRO2) and oxygen extraction fraction (rOEF) quantitatively and non

49 issue oxygen than the percentage decrease in oxygen extraction fraction; this suggests that the oxyge

50 tive study measuring cerebral blood flow and oxygen extraction fraction using O-PET.

51 dings with hemodynamic impairment (increased oxygen extraction fraction) was investigated.

52 Cerebral blood flow and oxygen extraction fraction were elevated (P < 0.05) in p

53 very, cerebral metabolic rate of oxygen, and oxygen extraction fraction) were measured every 30 minut