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A Comparison between Measured and Calculated Changes in the Lung Function after Operation for Pulmonary Cancer
Author(s) -
Juhl B.,
Frost N.
Publication year - 1975
Publication title -
acta anaesthesiologica scandinavica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.738
H-Index - 107
eISSN - 1399-6576
pISSN - 0001-5172
DOI - 10.1111/j.1399-6576.1975.tb05411.x
Subject(s) - medicine , pneumonectomy , pulmonary function testing , thorax (insect anatomy) , lung cancer , nuclear medicine , lung function , spirometry , lung , surgery , radiology , anatomy , asthma
Eighteen patients operated on for pulmonary cancer, the procedure varying from the removal of two segments to pneumonectomy, were subjected to measurement of the spirometric values VC, FEV 1 , FRC and RV preoperatively and 2–3 months postoperatively. The possibility of predicting the post‐operative values from the number of segments removed was studied, partly with standard percentages (5.26%) per segment (method I), and partly with a percentage per segment in the affected area, calculated from the preoperative regional lung function tests using 133 xenon. This latter test was carried out with a mobile apparatus using four detectors with tubular colimators and from the anterior surface of the thorax. Both methods of calculation gave, for the material as a whole, good agreement between the postoperative (measured) and the calculated values. However, with regard to certain patients, the regional lung function tests gave important information on preoperative reduced function in the affected area. In these patients, method No. II was by far the best for prediction of the postoperative values.