Elizabeth J Mahoney1, Anand K Devaiah. 1. Department of Otolaryngology-Head and Neck Surgery, Boston University School of Medicine, Boston, MA 02118, USA. Elizabeth.mahoney@bmc.org
Abstract
OBJECTIVES: The use of angiotensin-converting enzyme inhibitors (ACEI) has become the leading cause of acquired angioedema. Previous studies have suggested that certain patient populations may be at a higher risk for ACEI-induced angioedema. The objective of this study was to evaluate any demographic associations. STUDY DESIGN: A retrospective chart review. MATERIALS AND METHODS: Angioedema patients from 1999 to 2004 treated at a tertiary care hospital were reviewed. Demographics, inciting factors, and comorbid conditions were examined. RESULTS: One hundred eighty-two patients met inclusion criteria. Sixty-three percent of patients with angioedema had ACEI triggers. Eighty-one percent of all ACEI angioedema occurred in black patients. Of all angioedema patients, 70% (95% confidence interval [CI], 62%-78%) of black patients noted an ACEI as the inciting agent compared with 44% (95% CI, 30%-59%) in other patient groups. Black patients were 3.03 times more likely to have angioedema from an ACEI than all other patient groups (95% CI, 1.54-5.94). CONCLUSION: This study represents the largest series of patients with angioedema. Although retrospective in nature, the data show that black patients are at a higher risk for ACEI-induced angioedema.
OBJECTIVES: The use of angiotensin-converting enzyme inhibitors (ACEI) has become the leading cause of acquired angioedema. Previous studies have suggested that certain patient populations may be at a higher risk for ACEI-induced angioedema. The objective of this study was to evaluate any demographic associations. STUDY DESIGN: A retrospective chart review. MATERIALS AND METHODS:Angioedemapatients from 1999 to 2004 treated at a tertiary care hospital were reviewed. Demographics, inciting factors, and comorbid conditions were examined. RESULTS: One hundred eighty-two patients met inclusion criteria. Sixty-three percent of patients with angioedema had ACEI triggers. Eighty-one percent of all ACEI angioedema occurred in black patients. Of all angioedemapatients, 70% (95% confidence interval [CI], 62%-78%) of black patients noted an ACEI as the inciting agent compared with 44% (95% CI, 30%-59%) in other patient groups. Black patients were 3.03 times more likely to have angioedema from an ACEI than all other patient groups (95% CI, 1.54-5.94). CONCLUSION: This study represents the largest series of patients with angioedema. Although retrospective in nature, the data show that black patients are at a higher risk for ACEI-induced angioedema.
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