Ultrasound Imaging For Facilitating Labour Epidurals in Obese Parturients
研究概览
详细说明
Recent technical advances, especially the evolution of ultrasound technology, have helped to some extent in circumventing some of the limitations of epidural anesthesia. The efficacy of an epidural depends mainly on accurate placement of the catheter in the epidural space. Therefore, identification of the epidural space is the most vital part of the procedure. Obese patients represent are the most challenging group for the identification of anatomical landmarks, it is important to determine if ultrasound imaging is a useful technique in this population.
All the patients will undergo ultrasound imaging of the lumbar spine just before epidural insertion. Ultrasound imaging will be performed by one of the investigators. A different anesthesiologist will perform the epidural procedure based on the US information provided by the investigator. The investigator will provide information to the epidural performer on the insertion point, the angle of needle insertion and safe approximate distance before reaching the epidural space to facilitate the epidural performance. To maintain blinding and to prevent performer bias, the exact depth of the epidural space from skin, as seen on the ultrasound will not be disclosed. The investigator, with the aid of an in-built caliper, will measure this distance at a later time before saving the image.
The results of this study are expected to determine the clinical reliability of ultrasound imaging in visualizing the anatomical structures relevant to the technical performance of epidural analgesia in the obese population. Since technical difficulty in performing epidurals is more commonly encountered in obese patients, ultrasound visualization would improve the overall success of the technique by predicting the depth of the epidural needle to be inserted. In turn, the complication rate would be minimized.
研究类型
注册 (实际的)
阶段
- 不适用
联系人和位置
学习地点
-
-
Ontario
-
Toronto、Ontario、加拿大、M5G 1X5
- Mount Sinai Hospital
-
-
参与标准
资格标准
适合学习的年龄
- 孩子
- 成人
- 年长者
接受健康志愿者
有资格学习的性别
描述
Inclusion Criteria:
- Full term pregnant patients requesting labor epidurals
- Pre-pregnancy BMI greater than 30
Exclusion Criteria:
- Known spinal deformities
- Previous back instrumentation
- Pre-pregnancy BMI less than 30
学习计划
研究是如何设计的?
设计细节
- 主要用途:诊断
- 分配:非随机化
- 介入模型:单组作业
- 屏蔽:无(打开标签)
研究衡量的是什么?
主要结果指标
结果测量 |
大体时间 |
---|---|
Accuracy of Epidural Depth
大体时间:30 minutes
|
30 minutes
|
次要结果测量
结果测量 |
大体时间 |
---|---|
Accuracy of needle angle, re-insertion of the epidural needle in the same interspace or different interspace
大体时间:30 minutes
|
30 minutes
|
Correlation between BMI and skin thickness
大体时间:analysis at study end, approximately 1 year
|
analysis at study end, approximately 1 year
|
Correlation between BMI and needle depth
大体时间:analysis at study end, approximately 1 year
|
analysis at study end, approximately 1 year
|
Duration of ultrasound scanning
大体时间:30 minutes
|
30 minutes
|
合作者和调查者
调查人员
- 首席研究员:Mrinalini Balki, MD、Department of Anesthesia and Pain Management, Mount Sinai Hospital, University of Toronto
研究记录日期
研究主要日期
学习开始
初级完成 (实际的)
研究完成 (实际的)
研究注册日期
首次提交
首先提交符合 QC 标准的
首次发布 (估计)
研究记录更新
最后更新发布 (估计)
上次提交的符合 QC 标准的更新
最后验证
更多信息
此信息直接从 clinicaltrials.gov 网站检索,没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求,请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改,我们的网站上也会自动更新.
Ultrasound的临床试验
-
Centre Hospitalier Universitaire de la Réunion招聘中
-
Helse Nord-Trøndelag HFNorwegian University of Science and Technology; St. Olavs Hospital完全的
-
Sidney Kimmel Cancer Center at Thomas Jefferson...National Cancer Institute (NCI); University of California, San Diego; GE Healthcare; National Institutes... 和其他合作者完全的
-
Connolly Hospital BlanchardstownRoyal College of Surgeons, Ireland; European Society for Trauma and Emergency Surgery; Modular...完全的