Clinical associations with uterine tachysystole.

MedStar author(s):
Citation: J Matern Fetal Neonatal Med. 27(7):709-13, 2014 May.Journal of Maternal-Fetal & Neonatal Medicine. 27(7):709-13, 2014 May.PMID: 23962273Institution: MedStar Franklin Square Medical CenterDepartment: Obstetrics and GynecologyForm of publication: Journal ArticleMedline article type(s): Journal ArticleSubject headings: *Acidosis/et [Etiology] | *Infant, Newborn, Diseases/et [Etiology] | *Oxytocics/ae [Adverse Effects] | *Oxytocin/ae [Adverse Effects] | *Uterine Contraction/de [Drug Effects] | Apgar Score | Female | Fetal Diseases/et [Etiology] | Humans | Infant, Newborn | Oxytocics/ad [Administration & Dosage] | Oxytocin/ad [Administration & Dosage] | Pregnancy | Retrospective Studies | Young AdultYear: 2014Local holdings: Available online through MWHC library: 2013 to the presentISSN:
  • 1476-4954
Name of journal: The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal ObstetriciansAbstract: CONCLUSIONS: UT was common, occasionally prolonged and almost always benign. Fetuses with DEP had no more UT than those without DEP. Many babies with DEP declared their vulnerability with decelerations at contraction rates below UT levels and the great majority of them never experienced UT.METHODS: This retrospective study comprised all 6234 women at > 37 weeks' gestation who were monitored during the last 4 hours of tracings before birth in an academic community hospital. DEP was defined by an umbilical artery base deficit value > 10 mmol/L or a 5-minute Apgar < 6 and included 77 births. UT was defined by >15 contractions in 30 minutes.OBJECTIVES: To determine the incidence of uterine tachysystole (UT) and its association with neonatal depression or metabolic acidemia (DEP).RESULTS: The overall incidence of UT was 18.3% (1139/6234). In 4.2% (260/6234) UT persisted for >60 min. The rate of UT was similar in births with DEP (14.3%, 11/77) compared to those without DEP (18.3%, 1128/6157; p=0.45). In births with UT, only 1.0% (11/1139) developed DEP. The DEP group had more decelerations at almost every level of contractions and a higher cesarean rate of 49.4% (38/77) compared to 24.0% (1468/6124); p=<0.001 in the group without DEP.All authors: Hamilton EF, Lucas V, Smith S, Warrick PA, Zacharias JFiscal year: FY2014Digital Object Identifier: Date added to catalog: 2016-07-15
Holdings
Item type Current library Collection Call number Status Date due Barcode
Journal Article MedStar Authors Catalog Article 23962273 Available 23962273

Available online through MWHC library: 2013 to the present

CONCLUSIONS: UT was common, occasionally prolonged and almost always benign. Fetuses with DEP had no more UT than those without DEP. Many babies with DEP declared their vulnerability with decelerations at contraction rates below UT levels and the great majority of them never experienced UT.

METHODS: This retrospective study comprised all 6234 women at > 37 weeks' gestation who were monitored during the last 4 hours of tracings before birth in an academic community hospital. DEP was defined by an umbilical artery base deficit value > 10 mmol/L or a 5-minute Apgar < 6 and included 77 births. UT was defined by >15 contractions in 30 minutes.

OBJECTIVES: To determine the incidence of uterine tachysystole (UT) and its association with neonatal depression or metabolic acidemia (DEP).

RESULTS: The overall incidence of UT was 18.3% (1139/6234). In 4.2% (260/6234) UT persisted for >60 min. The rate of UT was similar in births with DEP (14.3%, 11/77) compared to those without DEP (18.3%, 1128/6157; p=0.45). In births with UT, only 1.0% (11/1139) developed DEP. The DEP group had more decelerations at almost every level of contractions and a higher cesarean rate of 49.4% (38/77) compared to 24.0% (1468/6124); p=<0.001 in the group without DEP.

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