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Yeungnam Univ J Med > Volume 6(2); 1989 > Article
Yeungnam University Journal of Medicine 1989;6(2):39-46.
DOI:    Published online December 31, 1989.
The Comparison of Histopathology of Cats Received Conventional Mechanical Ventilation and High Frequency Oscillation Ventilation.
Kwan Ho Lee, Young Jo Kim, Jae Chun Chung, Hyun Woo Lee, Hae Joo Nam, Tae Sook Lee
The tracheobronchial histopathologic findings in 7 healthy cats used with high frequency oscillation ventilation (HFOV) were compared with those in 6 cats used with conventional mechanical ventilation (CMV). 4-point, 9-variable scoring system was used to evaluate the injury in the trachea, right & left main bronchi and parenchyma. The following results were obtained; 1) The tracheobronchial tree received HFOV had no significant damage compared with CMV (P>0.05). 2) Intraepithelial mucus loss and emphysema were slightly more prominent in CMV groups. As above results; the tracheobronchial histopathologic difference was not prominent between CMV and HFOV groups received with relatively short period, however, the cellular of function and barotrauma may be more prominent in CMV groups. From now on, as causes of tracheobronchial injury in HFV, interaction between humidification and mechanical trauma considers further study.
Key Words: HFOV, tracheobronchitis
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