| 词汇 | example_english_preoperative |
| 释义 | Examples of preoperativeThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Table 2 contains comparative statistics regarding preoperative risk factors. The first technology assessment addressed preoperative testing in elective surgery. Preoperative radiography demonstrated a left-sided heart and descending aorta. Preoperative angiograms were unavailable for 5 patients, and postoperative films were unavailable for an additional 2 patients. Repeated catheterization for preoperative evaluation at nine years of age showed essentially similar findings. The rule ofclosure may be broken when there is no preoperative regurgitation and the edges of the adjacent leaflets are very thin. Both reports (5;7) considered that the indications for preoperative investigation might have a large economic impact on health care. In retrospect, however, the anatomy could be distinguished on preoperative echocardiograms. Preoperative investigation showed a hemoglobin of 19.2 g/dl and relatively normal pulmonary vasculature on her chest x-ray. Mitral regurgitation was graded for each patient by preoperative echocardiography-none (12), mild to moderate (29) or severe (5) mitral valve regurgitation. Preoperative right pulmonary venogram showing anomalous right pulmonary venous connection to the right-sided atrium. The cardiothoracic ratio was measured at the level of the maximum cardiac dimension from the posterior-anterior projection of preoperative and postoperative chest radiographs. The mean scores were not significantly associated with sociodemographic characteristics, preoperative acidosis, hypoxemia or "sickness," age at testing or any other patient-related variable. All had lowered pulmonary vascular resistance or systolic pulmonary artery pressure compared to preoperative values. With careful preoperative planning on the basis of accurate diagnosis we did not find it to be so. This suggests that the preoperative left ventricular dysfunction in our patient was caused mainly by volume overload produced by the severe aortic regurgitation. The multiple logistic regression model could not be applied to preoperative mortality as there were no death in the prenatal diagnosis group. Retrospective examination of the preoperative angiography and the cross-sectional echocardiography did not reveal the suggestion of an anomalous hepatic vein connected to the coronary sinus. This study evaluated how surgical treatment influences preoperative existing cardiac dysrhythmias. His left lower pulmonary venous oxygen saturation was as low as 58% at preoperative cardiac catheterization. The serial changes of the diameters in each patient was evaluated by calculating the ratio of postoperative diameters over their preoperative values. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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