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ALA/ATS MEETING: Snoring Linked To Pre-eclampsia SAN DIEGO, CA -- April 27, 1999 -- Snoring, often a sign of partial airway obstruction, is associated with high blood pressure in pregnancy, a dangerous condition known as pre-eclampsia, according to a study presented at the American Lung Association/American Thoracic Society International Conference. Pre-eclampsia is one of the leading causes of illness and death for pregnant women and their babies. This study suggests that partial upper airway obstruction may be responsible for a large portion of the nighttime increase in blood pressure in pre-eclampsia, said Dr. Colin Sullivan, of the University of Sydney in Australia. The researcher added, however, that treatment may minimize the obstruction and improve nighttime blood pressure control in these women. The study of 32 women with severe pre-eclampsia and 40 women with normal pregnancies found that snoring and partial upper airway obstruction occurred in all women with pre-eclampsia, with the highest blood pressures recorded in association with increasing partial airway obstruction. In nine of the women with pre-eclampsia, elimination of partial upper airway obstruction with nasal continuous positive airway pressure (CPAP) resulted in a marked reduction in blood pressure. CPAP is a breathing mask attached to a machine and is used during sleep to keep the airways open. Dr. Sullivan noted that pre-eclampsia occurs in nearly 10 percent of all normal pregnancies and is the major cause of admission to the hospital during pregnancy and the major cause of infant admission to the intensive care unit. He recommended that women who are admitted to the hospital with pre-eclampsia be assessed for snoring during sleep to determine if they might be helped by CPAP treatment. E-mail this page to a friend or colleague! To print, use this version