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Central Venous Catheters 25/11/10 PY Mindmaps USES/INDICATIONS (1) (2) (3) (4) (5) (6) IV access CVP monitoring ScvO2 monitoring/sampling Vasoactive or TPN administration Renal replacement therapy Transvenous pacing CONTRAINDICATIONS - coagulopathy - respiratory failure - raised ICP -> can use femoral approach in all these situations DESCRIPTION - multi-lumen catheter METHOD OF INSERTION AND/OR USE - aseptic technique - U/S guided (if possible) - head down (IJ, SC) Jeremy Fernando (2011) - head up (femoral) Internal Jugular - anatomy: -> course: from jugular foramen -> joins subclavian vein behind sternal extremity of clavicle -> medial: internal and common carotid, 9th to 12th cranial nerves above common carotid + vagus -> anterolateral: skin, superficial fascia, platysma, cervical fascia, sternomastoid, sternohyoid, omohyoid -> posterior: transverse process of the cervical vertebrae, levator scapulae, scalenus medius and anterior, cervical plexus, phrenic nerve, thyrocervical trunk, vertebral vein, 1 st part of subclavian artery -> tributaries: inferior petrosal sinus, facial, pharyngeal, lingual, superior thyroid, middle thyroid, occipital veins - central approach: find 1cm above the apex of head of SCM and clavicle -> 60 degrees to skin aiming towards ipsilateral nipple (blood should be obtained within 3cm) - lateral/posterior approach: find 2-3 finger breaths above clavicle along posterior border of SCM, direct needle towards jugular notch (blood should be aspirated within 5cm) - anterior approach: identify the carotid and mid point of medial SCM border, aim toward ipsilateral nipple Subclavian - anatomy: -> superior: midpoint of clavicle -> anterior: skin, external jugular vein, clavicle -> medial: fascia, trachea -> posterior: subclavian artery, first rib, scalenus anterior, phrenic nerve and fascia over pleura - approaches: supraclaviclar, infraclavicular and lateral Femoral - anatomy: -> VAN -> boundaries of the femoral triangle are adductor longus and sartorius - approach: slight external rotation of hip, palpate pulse, medial to arterial pulsation OTHER INFORMATION COMPLICATIONS Jeremy Fernando (2011) Immediate - pneumothorax failure to locate vein accidental arterial puncture haemothorax haematoma arrhythmia thoracic duct injury Early - haemopericardium and tamponade pneumothorax catheter blockage chylothorax catheter knots Late - infection catheter fracture vascular erosion thrombosis osteomyelitis of clavicle Jeremy Fernando (2011)