*, Amit Vyas A and *, Vaishali.K and Alaparthi, Gopala Krishna and *, Shyam Krishnan and *, Zulfeequer and Acharya, Vishak (2012) Comparison of Quake and RC-Cornet for Airway Clearance in Bronchiectasis: A Randomized Crossover Trial. International Journal of Health Sciences and Research, 2 (6). pp. 20-27. ISSN 2249-9571

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Abstract

Objective: the objective of study is to compare between the effectiveness of Quake versus RC-cornet on mucous clearance and to determine patient preference between the two devices. Material and Method: A randomised cross over trial was conducted. The mean age of 35 cases were 52.29± 13.9 Diagnosed to have bronchiectasis, were included in the study by block randomization with inclusion criteria of Sputum volume more than 20ml per 24hours. Results: Quake was more effective in airway clearance as compared to RC-cornet with no carry over effect p value of 0.475. Sputum collected after Quake was greater than RC-cornet with mean difference of 2.78ml. Patient preference is RC cornet. Conclusion: Quake has a high pulsatile pressure and strong pressure pulses with a raspberry sound produced with oscillation during both phases of respiration, promoting more mucous production, On the contrary RC-Cornet produces high frequency oscillations at low flow with PEP generated by valve sequence. Though Quake has a higher sputum production than Rc cornet but the patient preference is predominant towards RC cornet.

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