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Biomedical subjects

E C Wang

Publications and source records attributed to E C Wang.

39 records · Page 3Linked to original sources
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Vallecular cyst: an uncommon cause of stridor in newborn infants.

UNLABELLED: Vallecular cyst, a rare but generally benign lesion in the larynx, may cause stridor and even life-threatening airway obstruction in early infancy. We retrospectively studied 14 cases of newborn infants with vallecular cyst. There was no gender predilection and most cases were full-term and appropriate for gestational age. The clinical presentations included stridor, chest wall retraction, feeding difficulties and failure to thrive. Laryngomalacia was the most common associated anomaly. Flexible laryngoscopy was sufficient for diagnosing the vallecular cyst and larygmalacia. Maintenance of airway patency, nutritional support, and de-roofing of the cyst were the mainstays of management. CONCLUSION: Vallecular cyst should be included in the differential diagnosis of stridor in newborn infants. Respiratory and feeding difficulties in these patients can be dramatically improved after appropriate surgical removal of the cyst.

Cysts↗
PubMedDate not supplied

Methadone treatment during pregnancy.

OBJECTIVE: To review the literature on methadone use by pregnant women. DATA SOURCES: A search was conducted on CINAHL, MEDLINE, and PSYCHINFO under "pregnancy" and "methadone." STUDY SELECTION: Articles published between 1988-1998 were reviewed and chosen based upon relevance to the objective. DATA EXTRACTION: Data were extracted and organized under the following headings: effects of methadone on pregnancy outcome, management of the pregnant woman on methadone, and implications of social and political policies for pregnant women who use opiates. DATA SYNTHESIS: Methadone treatment is most effective for pregnant women who receive care in a comprehensive service center. Few systematic investigations exist concerning methadone maintenance during pregnancy, thus no formal guidelines for management exist. Changes in federal policies for drug treatment and welfare regulations will challenge health care professionals who provide treatment for opiate-dependent pregnant women. CONCLUSIONS: Treatment with methadone is the standard of care for the opiate-using pregnant woman, despite findings challenging its benefits and efficacy in women who continue to use illicit drugs.

Female↗