Ultrasound Guided Supraclavicular Brachial Plexus Block vs Retroclavicular Brachial Plexus Block: Comparison of Impact on Ipsilateral Diaphragmatic Function
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 44
- 试验地点
- 2
- 主要终点
- Incidence of IIpsilateral Diaphragmatic Paresis
研究概览
简要总结
The aim of this study is to evaluate differences between ultrasound guided supraclavicular versus retroclavicular brachial plexus blocks: two similar brachial plexus nerve block techniques that differ in their needle trajectory and injection site.
详细描述
To date, there has not been a study that has compared clinically the retroclavicular brachial plexus block to the supraclavicular brachial plexus block or other brachial plexus blocks. The aim of this study is to evaluate differences between ultrasound guided supraclavicular versus retroclavicular brachial plexus blocks, with primary focus on the incidence of diminished ipsilateral hemidiaphramatic excursion (ipsilateral phrenic nerve blockade). We will also evaluate differences between the two techniques in the success of producing surgical anesthesia, procedural time to perform the block (including imaging time and needling time), block onset time, ease of quality ultrasound needle visualization, and incidence of paresthesias, vascular puncture and pneumothorax. Lastly, we will observe and compare the distribution of motor and sensory blockade of the two techniques
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- Triple (Participant, Investigator, Outcomes Assessor)
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 scheduled for lower arm surgery
- •patients aged 18 years or older
- •patients ASA class I-III
排除标准
- •Patients unable to cooperate or consent to the study
- •pre-existing neuropathy
- •significant pulmonary disease
- •contralateral phrenic nerve or diaphragmatic dysfunction
- •allergy to local anesthetics
- •infection at needle insertion site
- •history of coagulopathy
- •BMI > 40 kg/m2
结局指标
主要结局
Incidence of IIpsilateral Diaphragmatic Paresis
时间窗: 30 minutes post block, then postoperatively
As evidence by ipsilater diagphragmatic excursion measured by Mmode ultrasound
次要结局
- Anesthetic and analgesic efficacy(30 minutes post block, then postoperatively)
- Procedural times (imaging time and needling time), onset time, ease of placement, and block duration(at the time of block)
- Complication rates(1 day)
- Nerve block distribution(30 minutes post block)
研究者
Kamen Vlassakov
Director of Regional and Orthopedic Anesthesiology
Brigham and Women's Hospital