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Diagnosis on the Function of the Terminal Part of the Choledochus―Computed analysis of the wave of papillary movement H. Yamada 1 , E. Mitani 1 , K. Kobayashi 1 1The Third Department of Internal Medicine, Osaka City University, Medical School pp.1231-1236
Published Date 1982/11/25
DOI https://doi.org/10.11477/mf.1403108703
  • Abstract
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 We developed pressure-sensitive transducer appa-ratus to diagnose functional disorders of the terminal part of the choledochus and reported that patients with biliary or pancreatic disease tend to have increased incidence of its abnormal function by measuring their motility under the endoscopic examination.

 This time, to evaluate their abnormalities more objectively, we performed computed analysis of the waves of papillary movement on 35 patients with various disease.

 The results obtained were as follows ;

 In cases with normal function of the terminal choledochus, their mean cycle of the papillary movement was 5.9 sec., ranging 5.2 to 6.5 sec., and its average power was 2.9.

 On the other hand, if the function of the terminal choledochus was impaired, its power dropped less than 1.0 and their cycle was irregular. If its function was mildly to moderately impaired, the range of the cycle became wider as 4.8 to 10.1 sec., and maximum spectrum of the power dropped less than 2.0.

 Using the above our method, it became possible to express the degree of functional abnormalities of the terminal choledochus by objective measure, namely by using a graph consisting power and cycle.

 We also believe it is quite useful method only for clarifying pathophysiology of the terminal choledochus but also for clinical use.


Copyright © 1982, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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