The pros and cons of subclavian vein hemodialysis catheters are reviewed. The subclavian vein catheter offers rapid and adequate vascular access. Other advantages are preservation of patient mobility and the ease with which the dressing can be secured. In contrast, subclavian vein stenosis has recently been identified as an important long-term complication of subclavian vein catheters that seriously compromises the creation and long-term viability of later ipsilateral arteriovenous fistulas. For this reason, we recommend restricting use of the subclavian hemodialysis catheter for acute situations and preferential use of internal jugular catheters for more chronic approaches because they better preserve venous integrity.

Subclavian Vein Hemodialysis Catheters: Advantages and Disadvantages

Utilization of ultrasound guidance in difficult femoral artery puncture

Hickman central venous catheters

hemodynamic monitoring and for administration of hypertonic fluids, drugs, and parenteral nutrition. Common access sites are the internal jugular veins, subclavian veins, and femoral veins. Yoffa's percutaneous supraclavicular subclavian vein catheterization technique has some disadvantages and difficulties which include dislodgement of the puncture needle and difficult enhancement of the guide wire. To overcome these problems, we modified Yoffa's technique as a symmetrical puncture against the clavicle. Methods: A patient was placed supine with his/her head turned to the opposite side with the arm at the side. The needle was inserted through the skin at a point around 1 cm below the clavicle, toward the imaginary midline of the clavicular head of the sternocleidomastoid muscle (SCM). The guide wire was inserted with a J-wire. Measurements were made to determine the length from the puncture site to the lower border of the clavicle, the depth and angles from the needle to mid sagittal line, the coronary line and skin (Fig. 2). We also evaluated the No. of punctures, wire insertions, and complications. Results: Our success rate was 95.1% and 6 cases with complications (5.9%) occurred in 102 attempts. The most serious complication was a delayed tension pneumothorax 6 h postoperatively. Conclusions: These results suggest that the new landmark for infraclavicular subclavian vein catheterization is an easy and safe procedure for an experienced physician. We also recommend close observation postoperatively for at least 24 h for complications.

A New Landmark Using the Clavicular Head of the Sternocleidomastoid Muscle for Infraclavicular Subclavian Vein Catheterization

We describe a new technique using ultrasound guided puncture of the subclavian vein and fluoroscopic control of the guide wire and the catheter position. Using this technique we performed 70 catheter introductions in 54 patients at the radiological department of the University Hospital of Rotterdam. Long term administration of chemotherapy was the most frequent indication for introduction of the Hickman catheter. The puncture related complication rate was compared with the complications of the 'blind' percutaneous puncture method, as mentioned in literature. All the ultrasound guided punctures of the subclavian vein were successful and no puncture related complications, such as pneumothorax, haemothorax or arterial puncture, occurred. Since ultrasound guided puncture of the subclavian vein in combination with fluoroscopic control of the guide wire and catheter reduces the risk of complications of introduction of Hickman catheters, we consider this technique superior to other methods.

Placing of Hickman catheters under ultrasonic guidance

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Placing of Hickman catheters under ultrasonic guidance