此页面是自动翻译的，不保证翻译的准确性。请参阅 英文版 对于源文本。

Determination of Sensitivity and Specificity of Straight Leg Raise Test Via Transforaminal Nerve Root Block

2026年8月14日 更新者：Marmara University

This study aims to evaluate the diagnostic accuracy of the straight leg raise test in patients with suspected lumbosacral radicular pain. Lumbosacral radicular pain is often caused by lumbar disc herniation and may radiate from the lower back or buttock to the leg. Although the straight leg raise test is commonly used in clinical practice, its diagnostic performance has been reported to vary.

In this study, diagnostic transforaminal epidural steroid injection or selective nerve root block will be used as the reference standard. The sensitivity, specificity, likelihood ratios, and area under the curve of the straight leg raise test will be calculated. The findings may help guide clinicians in determining when the straight leg raise test is sufficient and when further diagnostic confirmation may be needed.

研究概览

地位

招聘中

条件

详细说明

Low back pain is one of the leading causes of disability worldwide. Lumbosacral radicular pain is commonly caused by lumbar disc herniation and is characterized by pain radiating from the lower back or buttock to the leg in a dermatomal distribution. The straight leg raise test is a simple and widely used physical examination test for evaluating suspected lumbar radiculopathy; however, its diagnostic accuracy varies across studies.

This study aims to evaluate the diagnostic performance of the straight leg raise test in patients with suspected lumbosacral radicular pain. Diagnostic transforaminal epidural steroid injection or selective nerve root block will be used as the reference standard. Only technically selective injections performed without sedation and with a low volume of short-acting local anesthetic will be included in the analysis. The study will assess the sensitivity, specificity, likelihood ratios, and area under the curve of the straight leg raise test. The results may help clarify when the straight leg raise test is reliable on its own and when additional diagnostic confirmation may be needed for clinical decision-making.

研究类型

观察性的

注册 (估计的)

88

联系人和位置

本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。

学习联系方式

研究联系人备份

学习地点

  • 土耳其（türkiye）
    • PENDİK
      • Istanbul、PENDİK、土耳其（türkiye）、34890
        • 招聘中
        • Marmara University Faculty of Medicine, Pendik Training and Research Hospital, Algology Department Recruiting
        • 接触：

参与标准

研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。

资格标准

适合学习的年龄

  • 成人
  • 年长者

接受健康志愿者

不

取样方法

非概率样本

研究人群

Adult patients aged 18 to 65 years with a preliminary diagnosis of lumbar radicular pain based on medical history, physical examination, and lumbar magnetic resonance imaging, who are scheduled to undergo transforaminal epidural injection targeting the L4, L5, or S1 nerve root, will be included in the study.

描述

Inclusion Criteria:

  • Age between 18 and 65 years.
  • Preliminary diagnosis of lumbar radicular pain based on medical history, physical examination, and lumbar magnetic resonance imaging.
  • Patients scheduled to undergo transforaminal epidural injection targeting the L4, L5, or S1 nerve root.

Exclusion Criteria:

  • Inability to access clinical or procedural records in the hospital system.
  • Absence of available radiological records related to the target level, if required.
  • Inability to provide reliable NRS or straight leg raise test assessment due to cognitive impairment or language barrier.
  • Coagulopathy, defined as INR > 1.5 or platelet count < 80,000/mm³, or inability to discontinue anticoagulant or antiplatelet therapy when required.
  • Local or systemic infection, or skin lesion at the planned injection site.
  • Pregnancy or breastfeeding.
  • Known severe hypersensitivity to iodinated contrast material or local anesthetics.
  • Progressive neurological deficit or cauda equina syndrome.
  • Bilateral or nearly bilateral pain with both sides being prominent and equivalent, or need for therapeutic injection at more than one level during the same session.
  • Epidural injection with local anesthetic and/or steroid at the same level within the last 6 weeks.
  • Active polyneuropathy or other diffuse neuropathies.
  • Active radicular pain originating from nerve roots other than L4, L5, or S1.
  • Requirement for mandatory sedation.

学习计划

本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。

研究是如何设计的？

设计细节

队列和干预

团体/队列
Patients with Suspected Lumbosacral Radicular Pain
Patients with suspected lumbosacral radicular pain who undergo clinical evaluation including the straight leg raise test and diagnostic transforaminal epidural steroid injection.

研究衡量的是什么？

主要结果指标

结果测量
措施说明
大体时间
Diagnostic Performance of the Straight Leg Raise Test
大体时间：Before and 1 hour after diagnostic transforaminal epidural steroid injection.
The diagnostic performance of the straight leg raise test will be evaluated in patients with suspected lumbosacral radicular pain using diagnostic transforaminal epidural steroid injection as the reference standard.
Before and 1 hour after diagnostic transforaminal epidural steroid injection.

次要结果测量

结果测量
措施说明
大体时间
DN-4 Quastionnaire
大体时间：Before diagnostic transforaminal epidural steroid injection
The DN-4 (Douleur Neuropathique en 4 Questions) is a brief and reliable screening questionnaire used to determine whether a patient's pain is of neuropathic origin. It consists of a total of 10 items. Its name, DN-4, derives from the fact that it includes 4 main sections. Seven of the questions relate to patient-reported sensory symptoms, while three are based on clinical examination findings. Each "yes" response scores 1 point, yielding a total score ranging from 0 to 10. A score above 4 indicates a high likelihood of neuropathic pain.
Before diagnostic transforaminal epidural steroid injection
Diagnostic Performance of the Bragard Test
大体时间：Before and 1 hour after diagnostic transforaminal epidural steroid injection
The diagnostic performance of the Bragard test will be evaluated in patients with suspected lumbosacral radicular pain. The Bragard test will be assessed before and 1 hour after diagnostic transforaminal epidural steroid injection, using the response to the diagnostic intervention as the reference standard.
Before and 1 hour after diagnostic transforaminal epidural steroid injection
Nerve Root Compression Grade on Lumbar Magnetic Resonance Imaging
大体时间：Using available lumbar magnetic resonance imaging during the study period, up to November 1, 2026
The degree of nerve root compression will be evaluated on lumbar magnetic resonance imaging in patients with suspected lumbosacral radicular pain. Nerve root compression grade will be assessed in relation to straight leg raise test results, Bragard test results, pain intensity, and response to diagnostic transforaminal epidural steroid injection.
Using available lumbar magnetic resonance imaging during the study period, up to November 1, 2026
Change in Pain Intensity Assessed by Visual Analog Scale
大体时间：Before and 1 hour after diagnostic transforaminal epidural steroid injection.
Pain intensity will be assessed using the Visual Analog Scale, which ranges from 0 to 10, with higher scores indicating greater pain intensity. Pain intensity will be measured before and 1 hour after diagnostic transforaminal epidural steroid injection. The change in Visual Analog Scale score after the diagnostic intervention will be evaluated in patients with suspected lumbosacral radicular pain.
Before and 1 hour after diagnostic transforaminal epidural steroid injection.
Intervertebral Disc Degeneration Assessed by Pfirrmann Grading Scale
大体时间：Using available lumbar magnetic resonance imaging obtained before or after the diagnostic intervention, up to November 1, 2026
Intervertebral disc degeneration will be evaluated using the Pfirrmann grading scale on lumbar magnetic resonance imaging. The Pfirrmann grading scale ranges from grade I to grade V, with higher grades indicating more severe intervertebral disc degeneration. Pfirrmann grades will be evaluated in relation to clinical findings, straight leg raise test results, pain intensity, and response to the diagnostic intervention in patients with suspected lumbosacral radicular pain.
Using available lumbar magnetic resonance imaging obtained before or after the diagnostic intervention, up to November 1, 2026

合作者和调查者

在这里您可以找到参与这项研究的人员和组织。

赞助

Marmara University

调查人员

  • 首席研究员：MİKDAT CAN KARABIYIK、Marmara University Faculty of Medicine ,Marmara University, Department of Physical Medicine and Rehabilitation
  • 研究主任：SERDAR KOKAR、Algology Division, Department of Physical Medicine and Rehabilitation, Marmara University Faculty of Medicine
  • 研究主任：OSMAN HAKAN GUNDUZ、Algology Division, Department of Physical Medicine and Rehabilitation, Marmara University Faculty of Medicine
  • 研究主任：SAVAŞ ŞENCAN、Algology Division, Department of Physical Medicine and Rehabilitation, Marmara University Faculty of Medicine

研究记录日期

这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。

研究主要日期

学习开始 (实际的)

2025年12月11日

初级完成 (估计的)

2026年9月1日

研究完成 (估计的)

2026年9月15日

研究注册日期

首次提交

2026年7月6日

首先提交符合 QC 标准的

2026年7月6日

首次发布 (实际的)

2026年7月10日

研究记录更新

最后更新发布 (实际的)

2026年8月18日

上次提交的符合 QC 标准的更新

2026年8月14日

最后验证

2026年8月1日

更多信息

与本研究相关的术语

关键字

其他相关的 MeSH 术语

其他研究编号

  • Straight leg raise

计划个人参与者数据 (IPD)

计划共享个人参与者数据 (IPD)？

不

药物和器械信息、研究文件

研究美国 FDA 监管的药品

不

研究美国 FDA 监管的设备产品

不

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.

订阅