71 years old , male , 65 kg ,ischaemic cardiomyopathy , post CABG 11 years . Asymptomatic since CABG.Graft study showed patent grafts.
Had traumatic cervical myelopathy 6 months after a fall,failed to recover neurologically after the first spine surgery immediately after the fall.Unable to walk , spastic paraplegia . Upper limbs weakness power 4/5. Numbness 4 limbs.Waiting to have cervical spine surgery to decompress the cord & fixation of implant .
Had recurrent ventricular fibrillation & presently in atrial fibrillation, controlled ventricular rate of 40 to 50 /minute.
Echocardiogram showed left ventricular ejection fraction 55%. Blood Pressure 140 /70 mmHg .
Planned for Implantable cardiac defibrillator insertion.
Procedure was done under monitored sedation & local anesthetics, in Cardiac catheterization Laboratory , under fluoroscopic guidance. Local anesthetic infiltration of wound 2% Lignocaine 10 ml ,( Left Subclavian vein approach ) IV Midazolam 2.5mg + IV Fentanyl 25mcg + IV Propofal infusion 50mg / hour , titrating downward to 20 mg / hour when the Blood pressure was down to 85mmHg. One dose of Ephedrine 6 mg given . Blood pressure rose back to 120/60 mmHg. Stable throughout the procedure.
Total time taken was 70 minutes.The device was not tested by inducing ventricular fibrillation because patient was not anticoagulated & was in atrial fibrillation for a long time.