Ultrasound Evaluation of Labor Epidural

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

250 participants

Study Classification

OBSERVATIONAL

Study Start Date

2019-08-31

Study Completion Date

2021-05-31

Brief Summary

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To compare the labor epidural analgesic (EA) profiles between landmark insertion EA levels which are congruent and ingruent to ultrasound confirmation in lateral decubitus position.

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Detailed Description

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Epidural analgesia is the mainstream method for labor analgesia. Landmark identification of L3 to L5 spinous process is most commonly applied for determination of epidural insertion. However, the precision of epidural catheter insertion site was affected by physiological and anatomical variations in pregnant women and positions such as sitting or lateral decubitus. Previous study showed the clinical estimation would be ≥ 1 vertebral level higher than the anatomical position determined by ultrasound at least 40% of the time in sitting position among western pregnant women. For asian parturients, epidural analgesia is commonly performed in lateral decubitus position because of smaller stature. In addition, it remains uncertain whether the landmark epidural insertion level congruent or ingruent is associated with different analgesia profiles such as the dosage requirement and the frequncy of adjustment.

Conditions

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Parturient

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

1. Normal spontaneous delivery parturients receiving labor epidural analgesia in first stage of labor
2. Using patient-controlled epidural analgesia

Exclusion:

1. who has an accidental epidural puncture
2. who receives epidural insertion by ultrasound identification
3. who uses of magnesium sulfate

Minimum Eligible Age

20 Years

Maximum Eligible Age

55 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No