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基于DANTE预脉冲SPACE MR序列定量评价蛛网膜颗粒
蛛网膜颗粒 磁共振成像 延迟交变章动调整激发
2020/2/14
评价基于DANTE预脉冲SPACE定量评价蛛网膜颗粒的价值。方法 纳入头颅影像学检查证实存在蛛网膜颗粒的30例患者，分别进行SPACE序列成像和基于DANTE预脉冲的SPACE序列成像。评价SPACE序列图像和DANTE-SPACE序列图像中静脉窦内和颅板下蛛网膜颗粒分布特征，并进行定量测量，包括最大横截面积、最长径、SNR和CNR。比较两种方法获得各测量指标的统计学差异。
增强3D SPACE STIR序列在显示腰骶神经根中的应用价值
腰骶丛 磁共振成像
2013/6/7
探讨增强3D SPACE STIR序列在显示腰骶神经根中的价值。方法 对18例腰骶部或盆腔MRI受检者进行常规检查序列、3D SPACE STIR序列平扫和增强扫描。分别计算3D SPACE STIR序列平扫和增强的神经根信噪比值(SNR神经根)，肌肉信噪比值(SNR肌肉)，神经根和肌肉的对比度噪声比值(CNR神经根/肌肉);将3D SPACE STIR序列平扫和增强的原始图像分别进行MIP重建，...
Does Disc Space Height of Fused Segment Affect Adjacent Disc Degeneration in Anterior Lumbar Interbody Fusion? A Radiological Study
Adjacent segment degeneration Anterior lumbar interbody fusion
2015/9/25
Background: The restoration of disc space height (DSH) is essential in anterior lumbar interbody fusion (ALIF), while it is unclear whether the reduction of DSH may alter the mechanical status and adv...
目的 比较钆贝葡胺(Gd-BOPTA)CE-MRC与3D-SPACE-T2WI-MRC对活体肝移植供体胆管解剖及变异的显示。方法 32名肝移植供体,术前接受Gd-BOPTA CE-MRC与3D-SPACE-T2WI-MRC。以术中胆管造影为标准,分析并比较两种方法诊断胆管变异情况。结果 两种方法对胆总管、肝总管、左肝管及右肝管的显示差异有统计学意义(P<0.05),CE-MRC优于3D- SPAC...
Effect of mechanical closure of dead space on seroma formation in modified radical mastectomy
Seroma breast cancer flap fixation mastectomy risk factor wound complication
2010/10/14
Seroma is an important complication of breast surgery. This study investigated the effects of fixation of the flaps and obliterating the dead space on seroma formation. Materials and methods: Patients...
The Dead Space in Soha,Atlas and VMED Syringes:Is it a Cause of Inadvertent Overdose in Neonates
None declared
2015/9/21
There are not enough available data to show that newborn infants more likely experience adverse reactions to drugs than adults. A lack of awareness or attention to critical aspects of drug administrat...
比较钆贝葡胺(Gd-BOPTA)CE-MRC与3D-SPACE-T2WI-MRC对活体肝移植供体胆管解剖及变异的显示。方法 32名肝移植供体,术前接受Gd-BOPTA CE-MRC与3D-SPACE-T2WI-MRC。以术中胆管造影为标准,分析并比较两种方法诊断胆管变异情况。结果 两种方法对胆总管、肝总管、左肝管及右肝管的显示差异有统计学意义(P<0.05),CE-MRC优于3D- SPACE-T...
Lung Carbon Dioxide Elimination Corralates With Physiologic Dead Space Volume During Mechanical Ventilatory Support
Lung carbon dioxide elimination CPAP Dead space
2009/6/29
Increased mean airway pressure (Paw) predisposes to increased alveolar dead space volume and, hence, physiologic dead space volume (V{Dphys}. This is the result of overdistending alveoli, converting Z...
Accidental Displacement of Impacted Third Molar into Lateral Pharyngeal Space
Tooth Displacement Pharyngeal space
2009/6/26
The displacement of teeth into the adjacent anatomical space is an uncommon complication (1-3). The most reported complications are the displacement of the root or crown or entirely tooth displacement...
Application of shortest path ray tracing to irregularly tetrahedralized model space
Shortest path ray tracing tetrahedron
2009/3/5
A way to apply the shortest path ray tracing (SPR) method to irregularly tetrahedralized velocity structure and its efficiency are described. SPR is the ray tracing method utilizing Dijkstra's shorte...
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