METHOD FOR COMBINED PROLONGED ANAESTHESIA ASSISTING HIP REPLACEMENT Russian patent published in 2015 - IPC A61M19/00 A61M25/01 A61K31/167 A61K31/573 A61K31/407 A61K31/165 A61P23/00 

FIELD: medicine.

SUBSTANCE: dexamethasone 8 mg and ketoprofen 100 mg is administered intravenously once prior to the operation. A lumbar plexus is blocked in a combination with a parasacral block and inserting perineural catheters to administer weak 0.2% Ropivacaine, local anaesthetic 20 ml. Paracetamol 1,000 mg is administered intravenously 30 minute before the operation is completed. After the operation is completed, the perineural catheter of the lumbar plexus is used to infuse 0.2% Ropivacaine 300 ml at 6-8 ml/hour for 4-5 days. Ketoprofen 100 mg is administered intramuscularly twice a day for 3 days. Through the perineural catheter of the parasacral plexus, 0.2% Ropivacaine 10 ml is administered twice every 12 hours.

EFFECT: method provides the adequate anaesthesia in the given category of patients by having an effect on primary pain components, as well as ensures the continuous and prolonged anaesthesia both intra-, and postoperatively, prevents the stable and chronic pain syndrome and the motor block of the extremities, reduces a rate of toxic complications.

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