Correlation Between the Polymorphism ofβ2 AR and the Labor Progress After Labor Analgesia
Principal Investigator
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Undersøgelsestype
Undersøgelsestype
Tilmelding (Forventet)
Tilmelding
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Nulliparous women
- Required labor analgesia
- Chinese
- Spontaneous labor
Exclusion Criteria:
- Contraindications for epidural analgesia
- Allergic to opioids and/or local anesthetics
- Failed to performing epidural catheterization
- Organic dysfunction
- Those who were not willing to or could not finish the whole study at any time
- Using or used in the past 14 days of the monoamine oxidase inhibitors
- Alcohol addictive or narcotic dependent patients
- Subjects with a nonvertex presentation or scheduled induction of labor
- Twin gestation and breech presentation
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Antal grupper/kohorter
Kohorter og interventioner
Gruppe / kohorteGruppe / kohorte |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
β2AR Arg16Arg (AA group)
People with β2AR Arg16Arg genotype.
|
|
|
β2AR Arg16Gly (AG group)
People with β2AR Arg16Gly genotype.
|
|
|
β2AR Gly16Gly (GG group)
People with β2AR Gly16Gly genotype.
|
|
|
β2AR Gln27Gln (CC group)
People with β2AR Gln16Gln genotype.
|
|
|
β2AR Gln27Glu (CG group)
People with β2AR Gln27Glu genotype.
|
|
|
β2AR Glu27Glu (GG group)
People with β2AR Glu27Glu genotype.
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
total labor process
Tidsramme: up to about 24h
|
time from the regular uterus contractions until completed childbirth, assessed up to about 24h
|
up to about 24h
|
|
duration of the first stage
Tidsramme: up to about 20h
|
time from the regular uterus contractions to full cervix dilation,assessed up to about 20h
|
up to about 20h
|
|
duration of the second stage
Tidsramme: up to about 2h
|
time from full cervix dilation to the complete childbirth, assessed up to about 2h
|
up to about 2h
|
|
Maternal visual analogue scale
Tidsramme: At time of initiation of analgesia and hourly thereafter until 2 hours postpartum (approximately 10 hours)
|
At time of initiation of analgesia and hourly thereafter until 2 hours postpartum (approximately 10 hours)
|
At time of initiation of analgesia and hourly thereafter until 2 hours postpartum (approximately 10 hours)
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
method of delivery
Tidsramme: At time of placental delivery
|
At time of placental delivery
|
At time of placental delivery
|
|
Maternal modified Bromage scale
Tidsramme: At time of initiation of analgesia and hourly thereafter until 2 hours postpartum (approximately 10 hours)
|
At time of initiation of analgesia and hourly thereafter until 2 hours postpartum (approximately 10 hours)
|
At time of initiation of analgesia and hourly thereafter until 2 hours postpartum (approximately 10 hours)
|
|
Rescue boluses, n of rescue boluses, and the consumption of the ropivacaine/sufentanil mixture
Tidsramme: At two hours postpartum
|
At two hours postpartum
|
At two hours postpartum
|
|
Maternal satisfaction with analgesia
Tidsramme: At two hours postpartum
|
At two hours postpartum
|
At two hours postpartum
|
|
Use of oxytocin after analgesia
Tidsramme: At twenty-four hours postpartum
|
At twenty-four hours postpartum
|
At twenty-four hours postpartum
|
|
Neonatal Apgar scale
Tidsramme: At the first and fifth minutes after baby was born
|
At the first and fifth minutes after baby was born
|
At the first and fifth minutes after baby was born
|
|
Maximal oxytocin dose
Tidsramme: At twenty-four hours postpartum
|
At twenty-four hours postpartum
|
At twenty-four hours postpartum
|
|
Maternal heart rate, respiratory rate, and blood pressure
Tidsramme: At time of initiation of analgesia and hourly thereafter until 4 hours postpartum (approximately 12 hours)
|
At time of initiation of analgesia and hourly thereafter until 4 hours postpartum (approximately 12 hours)
|
At time of initiation of analgesia and hourly thereafter until 4 hours postpartum (approximately 12 hours)
|
|
Neonatal weight
Tidsramme: At delivery
|
At delivery
|
At delivery
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart
Studiestart
Primær færdiggørelse (Forventet)
Primær færdiggørelse
Studieafslutning (Forventet)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- NMCHC2016003
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