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为了长期静脉营养或化疗,常需插入右心房导管。沿用办法是经头静脉或颈内静脉插管。作者连续5例经颈外静脉插入,未产生任何并发症。因此推荐颈外静脉作为右心导管的插入进路。颈外静脉在下颌角后方垂直下降,越过胸锁乳突肌后缘,约于锁骨上方约2.5cm 处穿过深筋膜,与颈横颈前静脉汇合后,进入锁骨下静脉(图1)。绝大多数营养不良与恶性肿瘤患者,颈外静脉均清
For long-term intravenous nutrition or chemotherapy, often need to insert the right atrial catheter. Follow the approach is through the first vein or internal jugular vein catheterization. The author of 5 consecutive cases of external jugular vein insertion, did not produce any complications. Therefore, it is recommended that the external jugular vein be inserted into the right heart catheterization. The external jugular vein descended perpendicularly behind the mandibular angle, across the posterior edge of the sternocleidomastoid muscle, about 2.5 cm above the supraclavicular crest through the deep fascia and into the subclavian vein after confluence with the anterior transverse cervical neck (Figure 1) . The vast majority of patients with malnutrition and malignant tumors, external jugular vein were cleared