Unusual Placement Of A Central Venous Catheter

摘要

Financial Support- Subharti Medical College, Meerut, U.P., INDIA.;Introduction Placement of central venous catheters, although often considered to be a relatively safe and “junior” level procedure, may be associated with life-threatening complications. Complications 1,2,3,4 can be of an acute nature, which fell into the categories of pneumothorax, hydrothorax, cardiac tamponade, and hemothorax or manifesting later viz shearing or migration of catheter, infection at the catheter site, embolism etc. We present here a case of an eighteen year old male patient who had a central venous catheter (CVC) inserted in the right internal jugular vein during thoracotomy for hemothorax. Although the conventional techniques for checking catheter position were consistent with correct placement, the catheter was found to traverse the pleural cavity during thoracotomy.Case reportAn eighteen year old male patient presented with penetrating injury of the right side of chest following a road traffic accident and was bought to emergency room within thirty minutes of injury. Immediate chest tube insertion (Fr size 32) was performed on the right side in the emergency room by the attending surgeon. Two intravenous (i.v.) access secured (16 G), fluids and colloids started. Request for arrangement of blood was made. The patient bled almost two liters within 15 minutes and his condition started deteriorating. His vitals were pulse 144/min, blood pressure 84/53 mm Hg, respiratory rate 28/min. Blood and inotopic support (nor adrenaline) was started and the decision to perform an emergency thoracotomy for control of bleeding was taken. Blood were arranged and patient was shifted to operation theatre (OT) after obtaining informed and written high risk consent (ASA Grade IV E). In the OT, Monitors (ECG, NIBP, SPO2, EtCO2, and Temperature) were attached and CVC insertion planned through right internal jugular vein route before induction. Under all aseptic precautions, CVC (Certofix Duo V720 B Braun) was inserted using catheter over guide wire (Seldinger's) technique and position confirmed by aspirating blood freely from both lumens. I.V. fluids (Ringer's lactate) started from the distal lumen and colloids (hydroxy ethyl starch) through proximal one. The patient was premedicated with inj. Midazolam 1 mg, inj. Fentanyl 1mcg/kg, and inj. Glycopyrollate 0.2mg. Induction was done using inj. Ketamine 1.5mg/kg and inj. Succinylcholine 2 mg/kg. All the drugs were given through peripheral route. The patient was then intubated using left sided double lumen tube (DLT) [Bronchocath ?, Mallinckrodt ? fr 37]and after confirmation of correct placement of DLT, patient was positioned in left lateral position and surgery started. Inj. Vecuronium Bromide (0.08 mg/kg) was given through CVC. However, the effect of Vecuronium did not come as expected and it was hence repeated through peripheral line and desired effect obtained. This raised the suspicion for misplacement of CVC. As soon as surgeon opened the pleural cavity, around one liter of fluid mixed with blood was suctioned; bleeding vessels were identified and ligated. It was then that the surgeon noticed the CVC lying freely in pleural cavity. Intravenous fluids were immediately stopped and started through peripheral lines and CVC was removed. Surgery continued and rest of the procedure was completed uneventfully. The patient was shifted to SICU for post operative ventilatory support after changing over from DLT to size 8.5 portex endotracheal tube. The post operative period went uneventfully; patient was extubated on second post operative day and discharged from the hospital on seventh post operative day.;Discussion Central venous catheters are essential components of modern critical care. They allow delivery of medications, i.v. fluids, parenteral nutrition, hemodialysis and monitoring of haemodynamic variables. Unfortunately, the use of central venous catheters is associated with adverse events that are both hazardous to