Evaluation of Brachial Artery Pulsatility Index As a Predictor of Successful Supraclavicular Block: a Prospective Observational Study
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 89
- 试验地点
- 1
- 主要终点
- the change in pulsatility index as a predictor to successful supraclavicular block
研究概览
简要总结
Investigators aimed to evaluated accuracy of brachial artery doppler derived indices such as change in pulsatility index, resistive index, and waveform morphology in predicting successful supraclavicular block
详细描述
supraclavicular brachial plexus block gives adequate anesthesia and analgesia for arm and hand surgeries. successful block was classically evaluated via assessment of both sensory and motor functions, However this carry disadvantages of subjective assessment including patient cooperation. objective monitors of successful block depend on sympasthetic mediated changes including perfusion index, thermography, and LASER doppler.
However most of these tools depend on complicated technology and special devices.
therefore it was assumed that the use of brachial artery derived indices such as pulsatility index, resistive index, and waveform morphology would provide simple, easy and economic assessment tool for successful supraclavicular brachial plexus block
研究设计
- 研究类型
- Observational
- 观察模型
- Cohort
- 时间视角
- Prospective
入排标准
- 年龄范围
- 18 Years 至 65 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •ASA 1 undergoing forearm or hand surgery
排除标准
- •patient refusal allergy to local anesthetics fracture humerus Diabetes Melitus peripheral vascular disease
结局指标
主要结局
the change in pulsatility index as a predictor to successful supraclavicular block
时间窗: baseline and at 5 minutes interval after block for 30 minutes
the difference between the index before and after the block divided by the index value before the block
次要结局
- change in resistive index as a predictor for successful block(baseline then at 5 minutes interval for 30 minutes)
- change in waveform morphology as a predictor to successful block(baseline and within 10 minutes of block)