Trial Outcomes & Findings for Single or Double-layer Uterine Closure Techniques (NCT NCT03629028)

NCT ID: NCT03629028

Last Updated: 2020-05-01

Results Overview

The presence of niche in incision line visualized by saline infusion sonography

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

282 participants

Primary outcome timeframe

6 to 9 months

Results posted on

2020-05-01

Participant Flow

Participant milestones

Participant milestones
Measure
Single Layer
Age:18-45 Years,Only women who underwent cesarean section Inclusion Criteria:Primary cesarean, singleton pregnancy, Exclusion Criteria:Multiple pregnancy, History of any uterine surgery, wound healing diseases (insulin dependent diabetes mellitus, rheumatoid arthritis, systemic lupus erythematous, inflammatory bowel disease) Uterus will be sutured in locked single layer during cesarean Diagnostic Test: Total myometrium thickness, Residual myometrium thickness, Niche Presence and Measurements in 3D will be evaluated in 6th months by saline infusion sonography.
Double Layer
Age:18-45 Years,Only women who underwent cesarean section Inclusion Criteria:Primary cesarean, singleton pregnancy, Exclusion Criteria:Multiple pregnancy, History of any uterine surgery, wound healing diseases (insulin dependent diabetes mellitus, rheumatoid arthritis, systemic lupus erythematous, inflammatory bowel disease) Uterus will be sutured in double layer during cesareanDiagnostic Test: Total myometrium thickness, Residual myometrium thickness, Niche Presence and Measurements in 3D will be evaluated in 6th months by saline infusion sonography.
Overall Study
STARTED
141
141
Overall Study
COMPLETED
109
116
Overall Study
NOT COMPLETED
32
25

Reasons for withdrawal

Reasons for withdrawal
Measure
Single Layer
Age:18-45 Years,Only women who underwent cesarean section Inclusion Criteria:Primary cesarean, singleton pregnancy, Exclusion Criteria:Multiple pregnancy, History of any uterine surgery, wound healing diseases (insulin dependent diabetes mellitus, rheumatoid arthritis, systemic lupus erythematous, inflammatory bowel disease) Uterus will be sutured in locked single layer during cesarean Diagnostic Test: Total myometrium thickness, Residual myometrium thickness, Niche Presence and Measurements in 3D will be evaluated in 6th months by saline infusion sonography.
Double Layer
Age:18-45 Years,Only women who underwent cesarean section Inclusion Criteria:Primary cesarean, singleton pregnancy, Exclusion Criteria:Multiple pregnancy, History of any uterine surgery, wound healing diseases (insulin dependent diabetes mellitus, rheumatoid arthritis, systemic lupus erythematous, inflammatory bowel disease) Uterus will be sutured in double layer during cesareanDiagnostic Test: Total myometrium thickness, Residual myometrium thickness, Niche Presence and Measurements in 3D will be evaluated in 6th months by saline infusion sonography.
Overall Study
Lost to Follow-up
26
23
Overall Study
Pregnancy
4
2
Overall Study
intolerance to examination
2
0

Baseline Characteristics

Single or Double-layer Uterine Closure Techniques

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Single Layer
n=109 Participants
uterus will be sutured by single layer
Double Layer
n=116 Participants
uterus will be sutured by double layer
Total
n=225 Participants
Total of all reporting groups
Age, Continuous
29.8 years
STANDARD_DEVIATION 4.1 • n=99 Participants
30.8 years
STANDARD_DEVIATION 5.1 • n=107 Participants
30.3 years
STANDARD_DEVIATION 4.7 • n=206 Participants
Sex: Female, Male
Female
109 Participants
n=99 Participants
116 Participants
n=107 Participants
225 Participants
n=206 Participants
Sex: Female, Male
Male
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
109 Participants
n=99 Participants
116 Participants
n=107 Participants
225 Participants
n=206 Participants
Body mass index
28.9 kg/m^2
STANDARD_DEVIATION 4.2 • n=99 Participants
29.8 kg/m^2
STANDARD_DEVIATION 4.6 • n=107 Participants
29.3 kg/m^2
STANDARD_DEVIATION 4.4 • n=206 Participants
Gestational age at delivery
38 weeks
STANDARD_DEVIATION 2 • n=99 Participants
38.1 weeks
STANDARD_DEVIATION 2.1 • n=107 Participants
38.1 weeks
STANDARD_DEVIATION 2 • n=206 Participants
birth weight
3191.5 g
STANDARD_DEVIATION 570 • n=99 Participants
3261.4 g
STANDARD_DEVIATION 633 • n=107 Participants
3227.3 g
STANDARD_DEVIATION 602.8 • n=206 Participants
Tobacco use
5 Participants
n=99 Participants
4 Participants
n=107 Participants
9 Participants
n=206 Participants
Diabetes mellitus
6 Participants
n=99 Participants
9 Participants
n=107 Participants
15 Participants
n=206 Participants
Hypertension in pregnancy
10 Participants
n=99 Participants
9 Participants
n=107 Participants
19 Participants
n=206 Participants
History of infertility
22 Participants
n=99 Participants
25 Participants
n=107 Participants
47 Participants
n=206 Participants
Nulliparity
103 Participants
n=99 Participants
105 Participants
n=107 Participants
208 Participants
n=206 Participants
Emergent cesarean section
30 Participants
n=99 Participants
35 Participants
n=107 Participants
65 Participants
n=206 Participants
Contractions before labor
29 Participants
n=99 Participants
34 Participants
n=107 Participants
63 Participants
n=206 Participants
≥4 cm cervical dilatation
11 Participants
n=99 Participants
14 Participants
n=107 Participants
25 Participants
n=206 Participants
Need for additional suture
64 Participants
n=99 Participants
66 Participants
n=107 Participants
130 Participants
n=206 Participants
Duration of uterine closure
3.5 min
n=99 Participants
6.15 min
n=107 Participants
5.2 min
n=206 Participants
Operation time
25 min
n=99 Participants
30 min
n=107 Participants
27 min
n=206 Participants
Duration of labor
1 hour
n=99 Participants
1 hour
n=107 Participants
1 hour
n=206 Participants

PRIMARY outcome

Timeframe: 6 to 9 months

The presence of niche in incision line visualized by saline infusion sonography

Outcome measures

Outcome measures
Measure
Single Layer
n=109 Participants
niche presence
Double Layer
n=116 Participants
niche presence
Number of Participants With Niche Visualized by Saline Infusion Sonography
number and percentage of niche by saline infusion
40 Participants
53 Participants
Number of Participants With Niche Visualized by Saline Infusion Sonography
the presence of niche by tv ultrasound
25 Participants
23 Participants

PRIMARY outcome

Timeframe: 6-9 months

with saline infusion sonohysterography

Outcome measures

Outcome measures
Measure
Single Layer
n=109 Participants
niche presence
Double Layer
n=116 Participants
niche presence
Median Depth of Niche
1.7 mm
Interval 0.0 to 8.4
2.4 mm
Interval 0.0 to 6.3

PRIMARY outcome

Timeframe: 6-9 months

Population: of the 225 partipicants included the study

by saline infusion sonohysterography

Outcome measures

Outcome measures
Measure
Single Layer
n=109 Participants
niche presence
Double Layer
n=116 Participants
niche presence
Median Length of Niche
3.5 mm
Interval 0.0 to 6.7
3.8 mm
Interval 0.0 to 9.3

PRIMARY outcome

Timeframe: 6-9 months

Population: of the 225 participants included the study

median width of niche in transverse plane by saline infusion sonohysterograhpy

Outcome measures

Outcome measures
Measure
Single Layer
n=109 Participants
niche presence
Double Layer
n=116 Participants
niche presence
Median Width of Niche in Transverse Plane
2.8 mm
Interval 0.0 to 7.4
4 mm
Interval 0.0 to 10.1

SECONDARY outcome

Timeframe: 6 to 9 months

The residual myometrium thickness in incision line measured by saline infusion sonography

Outcome measures

Outcome measures
Measure
Single Layer
n=109 Participants
niche presence
Double Layer
n=116 Participants
niche presence
Residual Myometrium Thickness - 6 to 9 Months
9.6 mm
Interval 3.7 to 21.0
9.4 mm
Interval 3.0 to 23.0

SECONDARY outcome

Timeframe: 6 to 9 months

Adjacent myometrium thickness out of incision line measured by saline infusion sonography

Outcome measures

Outcome measures
Measure
Single Layer
n=109 Participants
niche presence
Double Layer
n=116 Participants
niche presence
Adjacent Myometrium Thickness
12.1 mm
Interval 6.8 to 22.6
12 mm
Interval 4.9 to 23.0

Adverse Events

Single Layer-

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Double Layer

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Single Layer-
n=109 participants at risk
Presence of niche, niche measurements, measurement of residual/ adjacent myometrium thickness
Double Layer
n=116 participants at risk
Presence of niche, niche measurements, measurement of residual/ adjacent myometrium thickness
Pregnancy, puerperium and perinatal conditions
pregnancy occurred after cesarean
0.92%
1/109 • Number of events 4 • 6 months
no serious adverse event occured
0.00%
0/116 • Number of events 2 • 6 months
no serious adverse event occured

Additional Information

Şafak Yılmaz Baran, MD

Principal investigator of the research

Phone: +903224586868

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place