NCT02231463撤回不适用
Influence of Two Different PEEP Niveaus and a Trendelenburg Positioning Manoeuvre on Subclavian Vein Diameter as a Surrogate Parameter in Punctures of Central Veins
适应症
试验速览
- 阶段
- 不适用
- 状态
- 撤回
- 试验地点
- 1
- 主要终点
- Diameter of vein
研究概览
简要总结
In 50 Patients who are undergoing a planned surgical procedure which require a central venous catheter the diameter of the subclavian vein is measured by ultrasound under 6 different conditions.
详细描述
In 50 Patients who are undergoing a planned surgical procedure which require a central venous catheter the diameter of the subclavian vein is measured by ultrasound under 6 different conditions. The conditions are
- neutral positioning, PEEP 0 cm H2O,
- neutral positioning, PEEP 5cm H2O,
- neutral positioning, PEEP 10cm H2O,
- Trendelenburg positioning -20°, PEEP 0 cmH2O,
- Trendelenburg positioning -20°, PEEP 5 cmH2O,
- Trendelenburg positioning -20°, PEEP 10 cmH2O After these measurements a central venous catheter is used to measure the central venous pressure.
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
- •Age >18 years
- •cardiosurgery or neurosurgery
- •written informed consent
- •ECG: inus rhythm
排除标准
- •peacemaker
- •kontraindications for PEEP
- •pulmonary disease
- •hemodynamically instable patients
- •pregnancy
- •pulmonal Hypertension
- •ejection fraction < 35%
- •severe valvular disease
- •tricuspid insufficiency
结局指标
主要结局
Diameter of vein
时间窗: only 1 day (the day of the measurement); no follow-up is required
measurement of vein Diameter by ultrasound in a randomized order
次要结局
未报告次要终点
研究者
Jochen Hinkelbein
PD Dr. med.
Universitätsklinikum Köln
研究点 (1)
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