Handheld Ultrasound-assisted Versus Palpation-guided Labor Combined Spinal-epidural Analgesia
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
| ClinicalTrials.gov Identifier: NCT04759547 |
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Recruitment Status :
Recruiting
First Posted : February 18, 2021
Last Update Posted : March 19, 2021
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| Condition or disease | Intervention/treatment | Phase |
|---|---|---|
| Labor Analgesia | Device: handheld ultrasound-assisted technique Other: conventional palpation-guided technique | Not Applicable |
| Study Type : | Interventional (Clinical Trial) |
| Estimated Enrollment : | 84 participants |
| Allocation: | Randomized |
| Intervention Model: | Parallel Assignment |
| Masking: | Single (Outcomes Assessor) |
| Primary Purpose: | Prevention |
| Official Title: | Handheld Ultrasound-assisted Versus Palpation-guided Labor Combined Spinal-epidural Analgesia: a Randomized Controlled Trial |
| Actual Study Start Date : | March 5, 2021 |
| Estimated Primary Completion Date : | March 5, 2022 |
| Estimated Study Completion Date : | April 5, 2022 |
| Arm | Intervention/treatment |
|---|---|
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Experimental: Handheld ultrasound-assisted technique
Participants will be received labor combined epidural-spinal analgesia using handheld ultrasound
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Device: handheld ultrasound-assisted technique
Ultrasound with 3D navigation function is used to determine the needle insertion point and the insertion angle. |
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Active Comparator: Conventional palpation-guided technique
Participants will be received labor combined epidural-spinal analgesia using conventional landmark-guided technique
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Other: conventional palpation-guided technique
The interspinous space is detected by palpation |
- Total duration of combined spinal-epidural procedure [ Time Frame: During procedure ]Identifying time (time required to complete the preprocedural spinal ultrasound or the assessment by palpation) + Procedural duration (time from the initial Tuohy needle insertion through the skin to the completion of the threading of the epidural catheter)
- Number of passes [ Time Frame: During procedure ]Number of times the puncture needle was redirected without removing it from the skin
- Number of needle insertion attempts [ Time Frame: During procedure ]Number of times the puncture needle was removed from the skin and reinserted
- Procedural duration [ Time Frame: During procedure ]time from the initial Tuohy needle insertion through the skin to the completion of the threading of the epidural catheter
- Identifying time [ Time Frame: During procedure ]time required to complete the preprocedural spinal ultrasound or the assessment by palpation
- Success rate at the first needle pass [ Time Frame: During procedure ]Success rate at the first needle pass
- Success rate at the first attempt [ Time Frame: During procedure ]Success rate at the first attempt
- Need to use alternative methods [ Time Frame: During procedure ]Need to use alternative methods for success
- Number of interspace levels at which the insertion was attempted [ Time Frame: During procedure ]Number of interspace levels at which the insertion was attempted
- Success rate of dural puncture with needle-through-needle technique [ Time Frame: During procedure ]Success rate of dural puncture with needle-through-needle technique
- Incidence of radicular pain, paresthesia, and bloody tapping [ Time Frame: During procedure ]Incidence of radicular pain, paresthesia, and bloody tapping during the procedure
- Procedural pain using 11-point verbal rating scale [ Time Frame: During procedure ]Degree of pain during the procedure using 11-point verbal rating scale (0=no pain, 10=most pain imaginable)
- Procedural discomfort using 11-point verbal rating scale [ Time Frame: During procedure ]Degree of discomfort during the procedure using 11-point verbal rating scale (0=no discomfort, 10=most discomfort imaginable)
- Depth by ultrasound [ Time Frame: During procedure ]Depth to the ligamentum flavum-dura mater complex (LFD) as determined by ultrasound
- Actual needle depth (cm) [ Time Frame: During procedure ]Depth of the needle when the epidural space and dural space are found (cm)
- Failure of labor analgesia [ Time Frame: Within 2 hours after the procedure ]The need to reinsert a new epidural catheter due to lack of sufficient analgesia within 2 hours of the primary insertion
- Patient satisfaction using 11-point verbal rating scale [ Time Frame: From the end of the procedure to delivery ]Patient satisfaction with the quality of labor analgesia using 11-point verbal rating scale (0=very unsatisfied, 10=very satisfied)
- Incidence of inadvertent dural puncture [ Time Frame: During procedure ]Incidence of inadvertent dural puncture
- Incidence of postdural puncture headache [ Time Frame: Up to 2 weeks ]Incidence of postdural puncture headache
- Incidence of back pain postpartum at the site of epidural insertion [ Time Frame: Up to 2 weeks ]Incidence of back pain postpartum at the site of epidural insertion
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
| Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
| Sexes Eligible for Study: | Female |
| Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Adult parturients with ASA physical status classification I, II or III requiring a combined spinal-epidural for labor analgesia
Exclusion Criteria:
- Contraindication to neuraxial anesthesia (local anesthetics hypersensitivity, coagulopathy, needle insertion site infection, etc.)
- Difficulty in communication
- Severe cardiac disease
- History of spine surgery
- Anatomical abnormality of the lumbar spine
- Age under 18
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04759547
| Contact: Jinyoung Bae, M.D. | 82-2072-2467 | baejy88@gmail.com | |
| Contact: Sun-Kyung Park, M.D. | 82-2072-3283 | mayskpark@gmail.com |
| Korea, Republic of | |
| Seoul National University Hospital | Recruiting |
| Seoul, Korea, Republic of, 03080 | |
| Contact: Sun-Kyung Park, MD, PhD mayskpark@gmail.com | |
| Principal Investigator: | Sun-Kyung Park, M.D. | Seoul National University Hospital |
| Responsible Party: | Sun-Kyung Park, Professor, Seoul National University Hospital |
| ClinicalTrials.gov Identifier: | NCT04759547 |
| Other Study ID Numbers: |
2101-016-1186 |
| First Posted: | February 18, 2021 Key Record Dates |
| Last Update Posted: | March 19, 2021 |
| Last Verified: | March 2021 |
| Individual Participant Data (IPD) Sharing Statement: | |
| Plan to Share IPD: | No |
| Studies a U.S. FDA-regulated Drug Product: | No |
| Studies a U.S. FDA-regulated Device Product: | No |
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Agnosia Perceptual Disorders Neurobehavioral Manifestations Neurologic Manifestations Nervous System Diseases |

