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Accuracy of Impulse Oscillometry in Airway Dysfunction | ||
| Iranian Journal of Medical Sciences | ||
| مقاله 3، دوره 32، شماره 4، اسفند 2007، صفحه 205-210 اصل مقاله (68.12 K) | ||
| نوع مقاله: Original Article(s) | ||
| نویسندگان | ||
| Mostafa Ghanei* ؛ F. Darvishzadeh؛ F. Alaeddini؛ I. Adibi؛ J. Aslani | ||
| چکیده | ||
| Background: The purpose of this study was to calculate and compare the specificity and sensitivity of impulse oscillometry (IOS) as a new technique in the detection of airways dysfunction by means of a simple pulmonary function test in chemical warfare injured cases suffering from respiratory diseases. Methods: The study was performed prospectively in 100 patients, who complained of dyspnea as a result of sulfur mustard gas exposure in the Iran-Iraq war, between 1981 and 1988. Following a physical examination, IOS and spirometery were performed for all the patients. Then, the specificity and sensitivity of IOS parameters were calculated and compared with those of spirometery. Results: With a routine cut-off point, R at 5Hz and R at 20Hz have a sensitivity and specificity of 48.9%, 70.4% and 40.0% and 85.2%, respectively. With a normal cut-off point of R at5Hz=-0.20 kpal/l/s, there is a 100% specificity (PPV=100%). Conclusion: While IOS is a new, cooperation independent technique and specific in the detection of airways dysfunction, it is less sensitive than spirometery in spotting small airways obstructions. IOS is a good diagnostic method in the detection of pulmonary involvements in uncooperative patients. | ||
| کلیدواژهها | ||
| Oscillometry؛ spirometery؛ mustard gas؛ chemical warfare؛ bronchiolitis | ||
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آمار تعداد مشاهده مقاله: 2,978 تعداد دریافت فایل اصل مقاله: 1,486 |
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