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Japanese

Intra-bullous Ventilation of Giant Bulla : Does Slow Ventilation Space on Multi-breath Nitrogen Washout Test Mean that Giant Bulla is Present Mitsunori Ohta 1,2 , Tsutomu Yasumitsu 3 , Yahiro Kotake 3 , Takashi Ohsugi 4 , Hiroyuki Seo 5 , Masazumi Maeda 1 1The 2nd Department of Surgery, Kag-awa Medical School 3The Department of Surgery, Osaka Prefectural Habikino Hospital 4The Department of Medicine, Osaka Prefectural Habikino Hospital 5The Department of Radiology, Kagawa Medical School Keyword: 巨大ブラ症 , ブラ内換気 , 不均等換気 pp.667-672
Published Date 1992/7/15
DOI https://doi.org/10.11477/mf.1404900503
  • Abstract
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Intra-bullous ventilation and uneven ventilation in patients with giant bulla were studied by the multi-breath nitrogen washout and 133Xe washout tests. Four-teen patients underwent the nitrogen washout test before and after bullectomy ; 2 of them also underwent the 133Xe washout test before surgery.

After bullectomy, pulmonary nitrogen clearance delay and alveolar dilution rate (ADR) of slow ventila-tion space improved significantly (p<0.01) from 202.5% to 51.5%, and from 0.98 to 0.95, respectively.


Copyright © 1992, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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