Tocolysis in term breech external cephalic version. 2005

M I Nor Azlin, and H Haliza, and Z A Mahdy, and I Anson, and M N Fahya, and M A Jamil
Department of Obstetric and Gynaecology, Hospital Universiti Kebangsaan Malaysia, Jalan Yaacob Latiff, 56000 Kuala Lumpur, Malaysia. azlinm@mail.hukm.ukm.my

OBJECTIVE To study the effect of ritodrine tocolysis on the success of external cephalic version (ECV) and to assess the role of ECV in breech presentation at our centre. METHODS A prospective randomized double-blind-controlled trial comparing ritodrine and placebo in ECV of singleton term breech pregnancy at a tertiary hospital. RESULTS Among the 60 patients who were recruited, there was a success rate of 36.7%. Ritodrine tocolysis significantly improved the success rate of ECV (50% vs. 23%; P=0.032). There was a marked effect of ritodrine tocolysis on the ECV success in nulliparae (36.4% vs. 13.0%) and multiparae (87.5% vs. 57.1%). External cephalic version has shown to reduce the rate of cesarean section for breech presentation by 33.5% in our unit. CONCLUSIONS External cephalic version significantly reduced the rate of cesarean section in breech presentation, and ritodrine tocolysis improved the success of ECV and should be offered to both nulliparous and parous women in the case of term breech presentation.

UI MeSH Term Description Entries
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D001946 Breech Presentation A malpresentation of the FETUS at near term or during OBSTETRIC LABOR with the fetal cephalic pole in the fundus of the UTERUS. There are three types of breech: the complete breech with flexed hips and knees; the incomplete breech with one or both hips partially or fully extended; the frank breech with flexed hips and extended knees. Fetal Presentation, Breech,Labor Presentation, Breech,Presentation, Breech,Complete Breech,Frank Breech Presentation,Incomplete Breech,Breech Fetal Presentation,Breech Labor Presentation,Breech Presentation, Frank,Breech, Complete,Breech, Incomplete,Presentation, Breech Fetal,Presentation, Breech Labor,Presentation, Frank Breech
D002585 Cesarean Section Extraction of the FETUS by means of abdominal HYSTEROTOMY. Abdominal Delivery,Delivery, Abdominal,C-Section (OB),Caesarean Section,Postcesarean Section,Abdominal Deliveries,C Section (OB),C-Sections (OB),Caesarean Sections,Cesarean Sections,Deliveries, Abdominal
D004311 Double-Blind Method A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment. Double-Masked Study,Double-Blind Study,Double-Masked Method,Double Blind Method,Double Blind Study,Double Masked Method,Double Masked Study,Double-Blind Methods,Double-Blind Studies,Double-Masked Methods,Double-Masked Studies,Method, Double-Blind,Method, Double-Masked,Methods, Double-Blind,Methods, Double-Masked,Studies, Double-Blind,Studies, Double-Masked,Study, Double-Blind,Study, Double-Masked
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D012312 Ritodrine An adrenergic beta-2 agonist used to control PREMATURE LABOR. DU-21220,Pre-Par,Ritodrine Hydrochloride,Yutopar,DU 21220,DU21220,Hydrochloride, Ritodrine,Pre Par,PrePar
D014710 Version, Fetal The artificial alteration of the fetal position to facilitate birth. External Cephalic Version,Fetal Version,Version, External Cephalic,Cephalic Version, External,Cephalic Versions, External,External Cephalic Versions,Fetal Versions,Versions, External Cephalic,Versions, Fetal

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