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KMID : 0364019960290080897
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Korean Journal of Thoracic and Cardiovascular Surgery
1996 Volume.29 No. 8 p.897 ~ p.904
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Prediction of Pulmonary Fuction After the Lung Resection Using Computerized Macroaggreated Perfusion Lung Scan
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오덕진
유재현/이영/임승평/나명훈
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Abstract
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A Preoperative prediction of postoperative pulmonary function after the pulmonary resection should be made to prevent serious complications and postoperative mortality. There are several methods to predict postoperative lung function but the
99mTc-MAA
perfusion lung scan is Known as simple, inexpensive and easily tolerated method for patients.
We studied the accuracy of the perfusion lung scan in predicting postoperative lung function on 34 patients who received either the resection of one lobe(17 patients)or 2 lobes(2 patients)or pneumonectomy(15 patients). We performed pulmonary
function
test and lung scan immediately before the operation and calculated the postoperative lung function by substracting the regional lung function which will be resected. We compared this predictive value to the observed pulmonary function which was
done 20
days after the surgery, We also compared the data achieved from 12 patients who received open thoracotomy due to intrathoracic disease that are not confined in the lung.
The correlation coefficient between the predicted value and observed value of FEV1.0 was 0.423, FVC was 0.557 in the pneumonectomy group and FEV1.0 was 0.693, FVC was 0.591 in the lobectomy gorup. The correlation coefficient between the
postoperative
value and preoperative value of FEV1.0 was 0.528, FVC was 0.502 in the resectional group and FEV1.0 was 0.871, FVC was 0.896 in the comparatives. We concluded that the perfusion lung scan is accurate in predicting post-resectional pulmonary
function.
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