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ARTICLE |

Postoperative Pattern of Breathing and Compliance

ARTHUR J. OKINAKA, MD
Arch Surg. 1966;92(6):887-891. doi:10.1001/archsurg.1966.01320240075016.
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MULLER et al1 and others have observed that diaphragmatic excursions are decreased after abdominal operations. While this is now a well-recognized occurrence, little information is actually available in the literature about changes in pattern of breathing immediately following operations. Our purpose is to describe this in detail and to discuss it in relation to other events which may occur at the same time.

Materials and Methods  The apparatus used in the main part of this study was a gage which in principle was the same as that described by Whitney2 in 1949 as a mercury-in-rubber strain gage. A piece of commercially available latex tubing 29 cm in length with an inner diameter of 3.185 mm and an outer diameter of 4.761 mm was filled with an electrolyte cream used in clinical electrocardiography. The ends of the tubing were sealed with metal plugs which were inserted into the electrolyte

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