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Am J Perinatol 2015; 32(03): 257-262
DOI: 10.1055/s-0034-1383845
Original Article
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Use of a Simple Clinical Tool for Airway Assessment to Predict Adverse Pregnancy Outcomes

Amanda S. Trudell
1   Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, Missouri
,
Judette M. Louis
2   Department of Obstetrics and Gynecology, University of South Florida, Tampa, Florida
,
Methodius G. Tuuli
1   Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, Missouri
,
Aaron B. Caughey
3   Department of Obstetrics and Gynecology, Oregon Health and Sciences University, Portland, Oregon
,
Anthony O. Odibo
1   Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, Missouri
,
Alison G. Cahill
1   Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, Missouri
› Author Affiliations
Further Information

Publication History

13 February 2014

13 May 2014

Publication Date:
27 June 2014 (online)

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Abstract

Objective Obstructive sleep apnea (OSA) is a risk factor for adverse perinatal outcomes. We aimed to test the hypothesis that maternal Mallampati class (MC), as a marker for OSA, is associated with adverse perinatal outcomes.

Study Design We performed a retrospective secondary analysis of a prospective cohort of term births (≥ 37 weeks). Fetal anomalies and aneuploidy were excluded. Primary outcome was small for gestational age (SGA). Secondary outcomes included preeclampsia, neonatal cord arterial blood gas pH < 7.10 and < 7.05, base excess <  − 8 and <  − 12 mEq/L. Outcomes were compared between mothers with low MC airways and high MC airways using logistic regression.

Results A total of 1,823 women met the inclusion criteria. No significant differences were found in the risk of SGA (adjusted odds ratio [aOR] 0.9, 95% confidence interval [CI] 0.6–1.2), preeclampsia (aOR 1.2, 95% CI 0.8–1.9) or neonatal acidemia (aOR 0.8, 95% CI 0.3–2.0), between high and low MC.

Conclusion High MC is not associated with adverse perinatal outcomes.

Keywords

Mallampati - obstructive sleep apnea - OSA - small for gestational age - sleep disordered breathing
 

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