title: Extraneous factors and their influences on fetal acid-base status.
abstract: The relevance of extraneous factors on fetal and neonatal respiratory gas exchange and acid-base balance must be considered when interpreting umbilical cord blood values. However, although many of these factors can alter these values to a minor degree, the clinical impact is negligible in the unstressed fetus. The more important clinical aspect of these findings is the reassurance that conditions commonly initiated through appropriate clinical endeavors, such as regional anesthesia or tocolysis, generally have no significant adverse effects on the fetus.
authors.affiliation: Department of Obstetrics and Gynecology, University of Florida College of Medicine, Gainesville 32610-0294.
authors.forename: M K
authors.initials: MK
authors.lastname: Yancey
authors.forename: F E
authors.initials: FE
authors.lastname: Harlass
mesh_terms: D000137:Acid-Base Imbalance / Q000453:epidemiology* / Q000209:etiology / Q000378:metabolism; D000318:Adrenergic beta-Agonists / Q000009:adverse effects; D000428:Alcohol Drinking / Q000009:adverse effects; D000472:Alkalosis, Respiratory / Q000378:metabolism; D000531:Altitude; D000700:Analgesics / Q000009:adverse effects; D000765:Anesthesia, Conduction / Q000009:adverse effects; D001784:Blood Gas Analysis; D001831:Body Temperature; D003042:Cocaine / Q000009:adverse effects; D005260:Female; D005312:Fetal Blood / Q000737:chemistry / Q000378:metabolism; D005315:Fetal Diseases / Q000453:epidemiology* / Q000209:etiology / Q000378:metabolism; D005947:Glucose / Q000008:administration & dosage / Q000009:adverse effects; D006801:Humans; D007262:Infusions, Intravenous; D008274:Magnesium / Q000009:adverse effects; D011247:Pregnancy; D011248:Pregnancy Complications / Q000378:metabolism; D011659:Pulmonary Gas Exchange; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects
chemical_list: D000318:Adrenergic beta-Agonists; D000700:Analgesics; D008274:Magnesium; D003042:Cocaine; D005947:Glucose