Alpha1 -antitrypsin deficiency – Diagnostic testing and disease awareness in Germany and Italy
Summary Background Alpha1 -antitrypsin (AAT) deficiency, although largely under-diagnosed, is the underlying cause of approximately 1% of COPD cases. Lack of awareness leads to long delays in diagnostic testing. Subsequently, lifestyle and treatment choices with potentially positive effects on progn...
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Veröffentlicht in: | Respiratory medicine 2013-09, Vol.107 (9), p.1400-1408 |
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Zusammenfassung: | Summary Background Alpha1 -antitrypsin (AAT) deficiency, although largely under-diagnosed, is the underlying cause of approximately 1% of COPD cases. Lack of awareness leads to long delays in diagnostic testing. Subsequently, lifestyle and treatment choices with potentially positive effects on prognosis may be postponed. Methods Data on the testing and diagnostic practices for AAT deficiency were derived from the University of Pavia, Italy, and the University of Marburg, Germany. In addition, a survey of physicians was undertaken to explore their awareness and attitudes toward AAT deficiency. Results In Pavia and Marburg, 125 and 729 patients, respectively, were identified with severe AAT deficiency between July 2006 and June 2011. The median time interval between the onset of symptoms and diagnosis was 6 years (interquartile range [IQR], 11; range, 0–40) and 7 years (IQR, 13; range, 0–73), respectively. Augmentation therapy was initiated almost immediately in Germany while treatment was delayed by 3 months in Italy (IQR, 5.25; range, 1–118). Survey data (Italy, n = 181; Germany, n = 180) revealed that pulmonologists had greater knowledge of AAT deficiency than internists and general practitioners, however, overall, only 18–25% of physicians tested all COPD patients. One-third of the respondents stated that they “sometimes” offered augmentation therapy to patients diagnosed with AAT deficiency. Conclusions Major obstacles to AAT deficiency testing are physicians' attitudes and lack of understanding of the condition. A greater adherence to the guidelines that recommend diagnostic testing of all COPD patients, coupled with simpler testing protocols, may decrease delays and positively impact patient outcomes. |
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ISSN: | 0954-6111 1532-3064 |
DOI: | 10.1016/j.rmed.2013.04.023 |