Abstract
We tried to establish an indication of unilateral pulmonary artery occlusion test (UPAO), by analyzing the preoperative data of UPAO, overall and regional pulmonary function tests, and arterial blood gas in 55 patients who were intended for pneumonectomy. Our limits of functional indication for pneumonectomy were PPA less than or equal to 25 mmHg or TPVRI less than or equal to 700 dyne.cm-5.m2. PPA correlated with the inverse of contralateral FEV1.0/BSA (FEV section 1.0) and DLCO/BSA (section DLCO), which were calculated by multiplying preoperative values by contralateral ventilation fraction. TPVRI correlated with age, the inverse of PaO2, the inverse of FEV section 1.0, and the inverse of section DLCO. Multiple regression analysis yielded the equation, TPVRI approximately p = 1120/section DLCO + 24800/PaO2 + 6.40 X Age -506. In order to make false negative zero, the values of each parameter were as follows: age greater than or equal to 55, PaO2 less than or equal to 85 mmHg, FEV section 1.0 less than or equal to 0.8 L/m2, section DLCO less than or equal to 6.0 ml/min/mmHg/m2 and TPVRI approximately p greater than or equal to 450 dyne.sec.cm-5.m2. The specificities of each parameter were 18.6%, 20.9%, 39.2%, 40.4% and 59.0%. Therefore, in order to make false positive patients least, the criteria of TPVRI approximately p greater than or equal to 450 dyne.sec.cm-5.m2 should be used.
| Original language | English |
|---|---|
| Pages (from-to) | 449-454 |
| Number of pages | 6 |
| Journal | Journal of the Japanese Association for Thoracic Surgery |
| Volume | 37 |
| Issue number | 3 |
| Publication status | Published - Mar 1989 |
| Externally published | Yes |
Fingerprint
ASJC Scopus subject areas
- Cardiology and Cardiovascular Medicine
Cite this
Study on indication of unilateral pulmonary artery occlusion test in patients undergoing pneumonectomy. / Maeda, H.; Nakahara, K.; Ohno, K.; Hashimoto, J.; Miyoshi, S.; Matsumura, A.; Mizuta, T.; Akashi, A.; Nakagawa, K.; Kawashima, Y.
In: Journal of the Japanese Association for Thoracic Surgery, Vol. 37, No. 3, 03.1989, p. 449-454.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Study on indication of unilateral pulmonary artery occlusion test in patients undergoing pneumonectomy
AU - Maeda, H.
AU - Nakahara, K.
AU - Ohno, K.
AU - Hashimoto, J.
AU - Miyoshi, S.
AU - Matsumura, A.
AU - Mizuta, T.
AU - Akashi, A.
AU - Nakagawa, K.
AU - Kawashima, Y.
PY - 1989/3
Y1 - 1989/3
N2 - We tried to establish an indication of unilateral pulmonary artery occlusion test (UPAO), by analyzing the preoperative data of UPAO, overall and regional pulmonary function tests, and arterial blood gas in 55 patients who were intended for pneumonectomy. Our limits of functional indication for pneumonectomy were PPA less than or equal to 25 mmHg or TPVRI less than or equal to 700 dyne.cm-5.m2. PPA correlated with the inverse of contralateral FEV1.0/BSA (FEV section 1.0) and DLCO/BSA (section DLCO), which were calculated by multiplying preoperative values by contralateral ventilation fraction. TPVRI correlated with age, the inverse of PaO2, the inverse of FEV section 1.0, and the inverse of section DLCO. Multiple regression analysis yielded the equation, TPVRI approximately p = 1120/section DLCO + 24800/PaO2 + 6.40 X Age -506. In order to make false negative zero, the values of each parameter were as follows: age greater than or equal to 55, PaO2 less than or equal to 85 mmHg, FEV section 1.0 less than or equal to 0.8 L/m2, section DLCO less than or equal to 6.0 ml/min/mmHg/m2 and TPVRI approximately p greater than or equal to 450 dyne.sec.cm-5.m2. The specificities of each parameter were 18.6%, 20.9%, 39.2%, 40.4% and 59.0%. Therefore, in order to make false positive patients least, the criteria of TPVRI approximately p greater than or equal to 450 dyne.sec.cm-5.m2 should be used.
AB - We tried to establish an indication of unilateral pulmonary artery occlusion test (UPAO), by analyzing the preoperative data of UPAO, overall and regional pulmonary function tests, and arterial blood gas in 55 patients who were intended for pneumonectomy. Our limits of functional indication for pneumonectomy were PPA less than or equal to 25 mmHg or TPVRI less than or equal to 700 dyne.cm-5.m2. PPA correlated with the inverse of contralateral FEV1.0/BSA (FEV section 1.0) and DLCO/BSA (section DLCO), which were calculated by multiplying preoperative values by contralateral ventilation fraction. TPVRI correlated with age, the inverse of PaO2, the inverse of FEV section 1.0, and the inverse of section DLCO. Multiple regression analysis yielded the equation, TPVRI approximately p = 1120/section DLCO + 24800/PaO2 + 6.40 X Age -506. In order to make false negative zero, the values of each parameter were as follows: age greater than or equal to 55, PaO2 less than or equal to 85 mmHg, FEV section 1.0 less than or equal to 0.8 L/m2, section DLCO less than or equal to 6.0 ml/min/mmHg/m2 and TPVRI approximately p greater than or equal to 450 dyne.sec.cm-5.m2. The specificities of each parameter were 18.6%, 20.9%, 39.2%, 40.4% and 59.0%. Therefore, in order to make false positive patients least, the criteria of TPVRI approximately p greater than or equal to 450 dyne.sec.cm-5.m2 should be used.
UR - http://www.scopus.com/inward/record.url?scp=0024625956&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0024625956&partnerID=8YFLogxK
M3 - Article
C2 - 2768920
AN - SCOPUS:0024625956
VL - 37
SP - 449
EP - 454
JO - General Thoracic and Cardiovascular Surgery
JF - General Thoracic and Cardiovascular Surgery
SN - 1863-6705
IS - 3
ER -