Healthy Clinical Trial
Official title:
Effects of Combined Spinal-epidural Analgesia During Labor on Postpartum Electrophysiological Function of Maternal Pelvic Floor Muscle: a Randomized Controlled Trial
Combined spinal-epidural analgesia (CSEA) is sometimes used for difficult births, but whether it contributes to postpartum pelvic muscle disorder is unclear. This randomized controlled trial examined whether CSEA affects the electrophysiological index of postpartum pelvic floor muscle during labor. The investigators plan to recruit 300 primiparous healthy women.
Status | Completed |
Enrollment | 308 |
Est. completion date | September 2014 |
Est. primary completion date | June 2014 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Female |
Age group | 22 Years to 30 Years |
Eligibility |
Inclusion Criteria: - Primiparous women gave birth by vaginal delivery between June 2013 and June 2014 in the Maternal and Child Health Hospital of Nanning - They were 22-30 years old - They were 155-165 cm tall - They were assigned a score of I or II on the American Society of Anesthesiologists scale - They gave birth by vaginal delivery to a live, single, mature fetus (= 38, = 40 w) in the head position - A neonatal weight of 2900-3500 g Exclusion Criteria: - History of chronic cough - Chronic constipation or pelvic organ resection - Family history of urinary incontinence - Pelvic organ prolapsus - Any systemic disease before delivery - A history of surgery, trauma, tumors or deformity of lumbar vertebrae |
Allocation: Randomized, Endpoint Classification: Safety Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Supportive Care
Country | Name | City | State |
---|---|---|---|
China | Maternal and Child Health Hospital of Nanning City | Nanning | Guangxi |
Lead Sponsor | Collaborator |
---|---|
Nanjing Maternity and Child Health Care Hospital |
China,
Caroci Ade S, Riesco ML, Sousa Wda S, Cotrim AC, Sena EM, Rocha NL, Fontes CN. Analysis of pelvic floor musculature function during pregnancy and postpartum: a cohort study: (a prospective cohort study to assess the PFMS by perineometry and digital vagina — View Citation
Frawley HC, Galea MP, Phillips BA, Sherburn M, Bø K. Effect of test position on pelvic floor muscle assessment. Int Urogynecol J Pelvic Floor Dysfunct. 2006 Jun;17(4):365-71. Epub 2005 Oct 5. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Muscle strength scores | The postpartum strength of pelvic floor muscles was measured with subjects in the supine lithotomy position. A vaginal manometric probe with a balloon was sheathed with a condom and placed into the vagina; the top of the device lay at the bottom of the vagina before air inflation. The other side of the probe was connected to the PHENIX muscle stimulator. Muscle strength was assessed using the international muscle strength detection method, which features a strength scale from 0 to 5. The strength score depends on whether vaginal muscle contraction upon stimulation fails to occur (0 points) or lasts 1 second (1 point), 2 seconds (2 points) and so on. If the contraction lasts 5 seconds or more, a strength score of 5 is assigned. | 6 weeks | No |
Secondary | Degrees of muscle fatigue | Degree of muscle fatigue was considered normal if 0%, abnormal if <0%. | 6 weeks | No |
Secondary | The distribution of pelvic floor dynamic pressures | Pelvic floor dynamic pressure was considered normal when it fell between 80 and 150 cm H2O. | 6 weeks | No |
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