| 词汇 | patency |
| 释义 | patency noun[ U ] medical specializeduk /ˈpeɪ.tən.si/ us /ˈpæt.ən.si/ the state of being open: 开放，开通 It is important that airway patency is maintained, so that the patient can continue breathing.保持气管开通很重要，这样患者可以保持呼吸。 Open and closed airtight ajar barred closed crack gaping hermetic hermetically sealed hour latch off-hours open outspread sealed shut to unbarricaded undone watertight wide-eyed Examples of patencypatency Thus, larval migration in rodents may be used in infectivity studies not requiring patency. In transposition and total anomalous pulmonary venous drainage, maintaining ductal patency is not usually of much benefit. The haemodynamic consequences for the lungs, nonetheless, can be comparable to that produced by patency of the arterial duct. Since the umbrella can easily be dislodged immediately after initial implantation, immediate closure of residual ductal patency must not be attempted. Mean follow-up of 24 months in all survivors revealed normal growth and adequate patency of the anastomoses in all. Recatheterization after 6 months confirmed patency of that pulmonary artery. The recognition of this antigen may therefore be a marker of patency. In these cases, depending on the cardiac defect, either the pulmonary or systemic circulation is dependent on the patency of the arterial duct. Patency at 6 mos = 97%, 1y = 95%, 2y = 89%. 4mm patency and adequate palliation < 5mm and 6mm shunts. Its long-term patency, however, remains unknown and should be assessed as the next step in clinical evaluation. The long term success depends on the continued patency of the coronary arteries and on preservation of left ventricular function. Since the development of transcatheter methods of closing ducts, pediatric cardiologists have led the way in being critical in the evaluation of residual patency. For very young children, the internal thoracic artery should be used as the graft of choice, expecting long-term patency. The second problem is residual patency after implantation. The observed rates of residual patency were similar to those found after surgical ligation. 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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