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局麻下行纤维支气管镜(下简称纤支镜)检查是安全的,但也可引起患者心肺功能损害。严重合并症除喉痉挛、支气管痉挛、支气管内出血、肺炎、气胸和低氧血症外,尚有严重心肺合并症如低血压、心律失常和心跳骤停等。为了解局麻下行纤支镜检查对有限制性肺病患者的血流动力学、心电图和血气等的影响,作者选择10例进行研究观察,结果见表。从表内结果可见,当纤支镜通过喉部和行吸引等操作时可引起明显的血流动力学改变,与检查前的对照值相比,平均动脉压增加30%,心率增加43%,心脏指数增加28%,平均肺动脉嵌入压增加86%。支气管内吸引期间和检查后动脉血氧分压轻度下降。
Local anesthesia fiberoptic bronchoscopy (hereinafter referred to as bronchoscopy) examination is safe, but can also cause patients with cardiopulmonary dysfunction. Serious comorbidity In addition to laryngospasm, bronchospasm, bronchial hemorrhage, pneumonia, pneumothorax and hypoxemia, there are serious cardiopulmonary complications such as hypotension, arrhythmia and cardiac arrest. In order to understand the local anesthetic descent bronchoscopy in patients with limited lung disease hemodynamics, electrocardiogram and blood gas, etc., the author chose 10 cases to study the results shown in the table. The results can be seen from the table, when the bronchoscopy through the throat and row to attract other operations can cause significant hemodynamic changes compared with the control before examination, the mean arterial pressure increased by 30%, heart rate increased 43% Heart index increased 28%, mean pulmonary embedding pressure increased 86%. Bronchial suction during and after examination of arterial oxygen partial pressure decreased slightly.