Ultrasound Image Study for Ultrasound-assisted Paramedian Spinal Anesthesia: Difference in Sidedness of Approach, Position and Age
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 40
- 试验地点
- 1
- 主要终点
- Ultrasonic visualization grading at left L3-4, L4-5, L5-S1 interspace and right L3-4, L4-5, L5-S1 interspace in lateral decubitus position and sitting position
研究概览
简要总结
This prospective observational study aimed to obtain ultrasound images for ultrasound-assisted paramedian spinal anesthesia and identify the differences according to sidedness of approach, position and age.
研究设计
- 研究类型
- Observational
- 观察模型
- Case Only
- 时间视角
- Prospective
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Patients under 40 or over 60 years of age who require spinal anesthesia for orthopedic surgery,
- •with ASA physical status classification system I, II, III
排除标准
- •Patients with contraindication to spinal anesthesia (coagulopathy, local infection, allergy to local anesthetic)
- •Patients with communication difficulties
- •Patient who can not take a sitting or lateral decubitus position (fracture)
- •Patients with a history of spinal surgery
- •Patient with anatomical abnormality of the spine
结局指标
主要结局
Ultrasonic visualization grading at left L3-4, L4-5, L5-S1 interspace and right L3-4, L4-5, L5-S1 interspace in lateral decubitus position and sitting position
时间窗: Preanesthesia
* Good: Both LFD (ligamentum flavum-dura mater complex) and PLL (posterior longitudinal ligament) are visible * Intermediate: Only one of LFD or PLL is visible * Poor: LFD and PLL are not visible
Distance between the midline and the expected location of needle insertion
时间窗: Preanesthesia
Distance between the midline of the vertebrae and the expected location of needle insertion at left L3-4, L4-5, L5-S1 interspace and right L3-4, L4-5, L5-S1 interspace in lateral decubitus position and sitting position
Height of LFD through interlaminar space
时间窗: Preanesthesia
Height of LFD through interlaminar space visible in ultrasound image at left L3-4, L4-5, L5-S1 interspace and right L3-4, L4-5, L5-S1 interspace in lateral decubitus position and sitting position
Depth from skin to LFD
时间窗: Preanesthesia
The depth from skin to LFD at left L3-4, L4-5, L5-S1 interspace and right L3-4, L4-5, L5-S1 interspace in lateral decubitus position and sitting position
Depth from skin to PLL
时间窗: Preanesthesia
The depth from skin to PLL at left L3-4, L4-5, L5-S1 interspace and right L3-4, L4-5, L5-S1 interspace in lateral decubitus position and sitting position
Width of the intrathecal space
时间窗: Preanesthesia
The distance between the LFD and the PLL at left L3-4, L4-5, L5-S1 interspace and right L3-4, L4-5, L5-S1 interspace in lateral decubitus position and sitting position
次要结局
未报告次要终点
研究者
Jin-Tae Kim
Professor
Seoul National University Hospital