Journals / Okmeydanı Tıp Dergisi / 2013 / Cilt: 29 - Sayı: 3

Mucociliary dysfunction in bronchial asthma and effect of ınhaled corticosteroids treatment on mucociliary clearance

Bronşial astımda mukosilier disfonksiyon ve inhaler steroid tedavisinin mukosilier klirense etkisi

Pages
127–130
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Radioaerosol measurement is non-invasive and re- liable robust technique to evaluate mucociliary clearance.

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: Bronchial asthma is characterized by airway inflammation, mucus hypersecretion and impaired muco- ciliary clearance (MCC).
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Key Findings & Data:In vivo mucociliary clearance rates can be measured by following the rate of degress of radiolabeled marked cumulant, by gamma camera.
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Conclusion & Impact:Radioaerosol measurement is non-invasive and re- liable robust technique to evaluate mucociliary clearance.
🔬Design:Research Article
📍Scope:2009 Verileri
⚙️Variables:Domain Parameters

Abstract

Objective: Bronchial asthma is characterized by airway inflammation, mucus hypersecretion and impaired muco- ciliary clearance (MCC). In vivo mucociliary clearance rates can be measured by following the rate of degress of radiolabeled marked cumulant, by gamma camera. Inhaled steroids have been shown to enhance mucociliary clearan- ce rates to varying degrees in patients with asthma. We in- vestigated baseline MCC and the effect of inhaled corticos- teroid on MCC in chronic asthmatics while on long-term treatment with salmeterol. Material and Methods: Between May 2009 and July 2010, patients applied to chest disease outpatient clinic with diag- nosis of asthma who were on long-term salmeterol treatment however did not receive inhaled steroid treatment and had a sputum production were recruited into the study. Pulmonary function test, ventilation test were done before commence- ment of inhaler steroid treatment. Eight-hundred mcg/day budesonide inhaler treatment started and measurements were repeated 4 months after beginning of inhaler steroid treatment. Mucociliary clerence was measured with gamma camera. Tc99m DTPA were used as a radioaerosol. Results: We recruited 25 patients with mean age 41.8 ye- ars, of these patients, 14 were female and 11 were male. Mean FEV1 was 60.40% and FEV1/FVC was 63.58% befo- re steroid treatment. Radioaerosol retention in trachea was 52.56% at the 120 th minutes in ventilation scintigraphy. After 4 months of steroid treatment, measured radioaero- sol retention in trachea was 106.92 %. There was high and significant correlation between pulmonary function test and mucociliary clearance (r=0.56 p<0.0001). and mucocili- ary clearance difference was statistically significant betwe- en before and after treatment (p<0.0001). Conclusion: To evaluate antiinflammatory treatment in ast- hma, clinical findings should be supported by laboratory findings. Radioaerosol measurement is non-invasive and re- liable robust technique to evaluate mucociliary clearance.

Özet

Amaç: Bronşial astımda hava yollarında enflamasyon, mu- Mucociliary Dysfunction in Bronchial Asthma and Effect kus hipersekresyonu ve mukosilier klirensde azalma mev- of Inhaled Corticosteroids Treatment on Mucociliary cuttur. Invivo mukosilier klirens radyoaktif işaretlenmiş bi- Clearance rikintilerin atılım oranlarının gamma kamera ile ölçülmesi ile hesaplanabilir. Inhale steroidlerin astımlı hastalarda mukosilier klirensi artırdığı gösterilmiştir. Çalışmamızda astımlı hastalarda, mukosilier klirensi ve inhale steroid- lerin mukosilier klirens üzerine etkilerini değerlendirmeyi amaçladık. Gereç ve Yöntem: Mayıs 2009 ve Temmuz 2010 tarihleri arasında göğüs hastalıkları kliniğine başvuran bronşial astım tanısı almış uzun dönem salmetorol tedavisi almış fakat inhale steroid tedavisi almamış ve balgam çıkışı olan hastalar alındı. Inhale steroid tedavisi düzenlenmeden önce hastalara solunum fonksiyon testleri ve ventilasyon testleri yapıldı. Ölçümlerden sonra hastalara günde 800 mcg/gün budesonid inhalasyon şeklinde 4 ay boyunca uygulandı ve daha sonra solunum fonksiyon testleri ve ventilasyon sin- tigrafisi yinelendi. Klirens gamma kamerası ile ölçüldü. Radioaerosol olarak tc99m DTPA kullanıldı. Bulgular: Çalışmaya 14 kadın, 11 erkek olmak üzere top- lam 25 hasta alındı. Hastaların ortalama yaşı 41.8 yıldı. Steroid tedavisi öncesi, ortalama FEV1 % 60.40, FEV1/ FVC 63.58 bulundu. ventilasyon sintigrafisinde 120. dk.’da trakeadaki radioaerosol retansiyonu ortalama % 52.56 bulundu. Dört aylık steroid tedavisi sonrası trakeada ölçü- len radioaerosol retansiyonu ortamda % 106.92 bulundu. Solunum fonksiyon testleri ile mukosilier klirens arasında yüksek korelasyon bulundu (r=0.56 p<0.0001) ayrıca te- davi öncesi ve sonrası mukosilier klirenste artma yönünde fark oldukça anlamlı bulundu (p<0.0001). Sonuç: Astımda antiinflamatuvar tedavinin değerlendiril- mesinde klinik bulguların laboratuvar bulgularıyla da des- teklenmesi gerekir. Radioaerosol ölçüm metodu ile mukosi- lier klirensin değerlendirilmesi, noninvaziv ve güvenilir bir teknik olarak kullanılabilir.

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Cite This Article

ALTINTAŞ, N., YILDIRAN, İ., ASLAN, E., HELVACI, A. (2013). Mucociliary dysfunction in bronchial asthma and effect of ınhaled corticosteroids treatment on mucociliary clearance. Okmeydanı Tıp Dergisi, Cilt: 29 - Sayı: 3, 127–130. https://ajindex.com/articles/291912

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