- ICH GCP
- US-Register für klinische Studien
- Klinische Studie NCT03774667
Characteristics, Complications and Perinatal Outcomes in Placenta Previa Women
Characteristics, Complications and Perinatal Outcomes in Placenta Previa Women: a Prospective, Matched Case-control Study
Studienübersicht
Status
Bedingungen
Detaillierte Beschreibung
Placenta previa (PP) is defined as the placenta overlying the endocervical os and grades according to the relationship and the distance between the lower placental edge and the internal os of the uterine cervix: low-lying previa, marginal previa, partial previa, and complete previa.
Cesarean delivery and assisted reproductive technology are associated with an increased risk of placenta previa in subsequent pregnancies. Other risk factors for previa include previous spontaneous, elective pregnancy terminations, previous uterine surgery, increasing maternal age and maternal parity, multiple gestations, smoking, cocaine use, and prior previa.
It is associated with numerous adverse maternal and fetal-neonatal complications, such as perinatal hemorrhage, preterm birth, blood transfusion, hysterectomy, maternal intensive care unit admission, disseminated intravascular coagulation, septicemia, thrombophlebitis, and even fetal-neonatal and maternal death.
This is a 1:2 prospective, matched and hospital-based case-control study to investigate the characteristics, complications and perinatal outcomes in pregnant women with placenta previa. For each placenta previa women, the investigators selected two none-placenta previa pregnant women as control from the same department matched on the mode of delivery, using simple random selection when excess matches are available. The date of their admission is limited to two days.
This hospital is a tertiary university-affiliated medical center with a stable number of approximately 12,000 deliveries per year. Placenta previa is diagnosed by experienced ultrasonologists based on a transabdominal ultrasonic finding of placental tissue covering the internal cervical os before delivery, and further confirmed by obstetricians at delivery.
Studientyp
Einschreibung (Voraussichtlich)
Kontakte und Standorte
Studienkontakt
- Name: Zhengping Liu, MD
- Telefonnummer: 86 757 82969772
- E-Mail: liuzphlk81@outlook.com
Studieren Sie die Kontaktsicherung
- Name: Dazhi Fan, MD
- Telefonnummer: 86 757 82969772
- E-Mail: fandazhigw@163.com
Studienorte
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Guangdong
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Foshan, Guangdong, China, 528000
- Rekrutierung
- Maternal and Child Health Hospital of Foshan
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Kontakt:
- Zhengping Liu, MD
- Telefonnummer: 86 757 82969772
- E-Mail: liuzphlk81@outlook.com
-
Kontakt:
- Dazhi Fan, MD
- Telefonnummer: 86 757 82969772
- E-Mail: fandazhigw@163.com
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Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Probenahmeverfahren
Studienpopulation
Beschreibung
Inclusion Criteria:
- Single Pregnancy
- Informed consent
- Fetal gestational age 28 to < 42 weeks
Exclusion Criteria:
- Multiple pregnancy
- Refuses to consent
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
Kohorten und Interventionen
Gruppe / Kohorte |
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Placenta Previa
Pregnant women is diagnosed with placenta previa after delivery.
Placenta previa is diagnosed by experienced ultrasonologists based on a transabdominal ultrasonic finding of placental tissue covering the internal cervical os before delivery, and further confirmed by obstetricians at delivery.
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None-Placenta Previa
Pregnant women is diagnosed without placenta previa after delivery.
Placenta previa is diagnosed by experienced ultrasonologists based on a transabdominal ultrasonic finding of placental tissue covering the internal cervical os before delivery, and further confirmed by obstetricians at delivery.
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Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
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Number of Participants with postpartum hemorrhage
Zeitfenster: 24 hours after delivery
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Blood loss > 1000ml during cesarean section or > 500 ml during vaginal delivery
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24 hours after delivery
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Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
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Number of Participants with antepartum hemorrhage
Zeitfenster: From the time of viability of pregnancy to the delivery of the baby, assessed up to 42 weeks
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At least one episode of bleeding from the genital tract during the antenatal period
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From the time of viability of pregnancy to the delivery of the baby, assessed up to 42 weeks
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Number of Participants with preterm birth
Zeitfenster: From the time of viability of pregnancy to the delivery of the baby, assessed up to 37 weeks
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Before 37 completed gestational weeks
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From the time of viability of pregnancy to the delivery of the baby, assessed up to 37 weeks
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Number of Participants with very preterm birth
Zeitfenster: From the time of viability of pregnancy to the delivery of the baby, assessed up to 32 weeks
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Before 32 completed gestational weeks
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From the time of viability of pregnancy to the delivery of the baby, assessed up to 32 weeks
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Number of participant needed for blood transfusion
Zeitfenster: 72 hours after delivery
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Calculation of the number of participant needed for blood transfusion
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72 hours after delivery
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Number of urological injury
Zeitfenster: 72 hours after delivery
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Calculation of the number of participant with bladder or ureteric injury
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72 hours after delivery
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Number of needed for extra surgical maneuvers
Zeitfenster: 72 hours after delivery
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internal iliac ligation or hysterectomy
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72 hours after delivery
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Number of need for caesarean hysterectomy
Zeitfenster: 72 hours after delivery
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Yes or no
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72 hours after delivery
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Number of needed for neonatal ICU
Zeitfenster: 72 hours after delivery
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Yes or no
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72 hours after delivery
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Number of needed for maternal ICU
Zeitfenster: 72 hours after delivery
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Yes or no
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72 hours after delivery
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Mitarbeiter und Ermittler
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn (Tatsächlich)
Primärer Abschluss (Voraussichtlich)
Studienabschluss (Voraussichtlich)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Tatsächlich)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Tatsächlich)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Schlüsselwörter
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
- MCHHFoshan-1901
Plan für individuelle Teilnehmerdaten (IPD)
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IPD-Sharing-Zeitrahmen
Art der unterstützenden IPD-Freigabeinformationen
- STUDIENPROTOKOLL
- SAFT
- ICF
- ANALYTIC_CODE
- CSR
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Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt
Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt
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