Incidence of Pulmonary Disease in Inflammatory Bowel Disease
959th Clinical Support Squadron San Antonio United States
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Introduction The pulmonary manifestations of the inflammatory bowel disease IBD have been recognized for the last 40 years. Early studies revealed an incidence of pulmonary manifestations of IBD of only 0.21. More recently, in a study of 36 IBD patients, Songur et al found that 44 of IBO patients have chronic respiratory symptoms this was after exclusion of asthma, chronic gastroesophageal reflux, chronic bronchitis, and emphysema patients. Multiple studies evaluated symptomatic and asymptomatic IBO patients and found abnormal pulmonary function tests PFTs in 28.5-58 and abnormal high resolution computed tomography HRCT in 22-64 of study participants. Methods This study is a retrospective chart review of patient records in AHLTA. A preliminary search conducted by BAMC Health Care Operations HCO bas identified approximately 1521 Crohns disease CD or ulcerative colitis UC patients IC0-9 codes 556.xx and 555.xx with inpatient and outpatient encounters over the past 5 years within DoD facilities in the San Antonio Multi-Market. This was used as the study group and was cross referenced by the SAMMC HCO for the ICD-9 codes of pulmonary diagnoses See table 1. The prevalence of the various respiratory symptoms and diseases were then determined based on the results. Results A total of 1521 cases of lBD were found between 2010-2015. The prevalence of the various diagnoses are presented in table 1. A total of 525 unique patients 34.5 were found to have ICD-9 codes associated with pulmonary symptoms or disease. Cough and dyspnea were the most common respiratory diagnoses associated with this population. Discussion The incidence of respiratory symptoms in the IBD population is not insignificant. 34.5 of IBD patients in this population were evaluated for respiratory complaints at some point during the 5 year study period.
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