Anti-convulsant pregabalin effective for patients after total knee replacementNovember 14th, 2007 - 2:13 am ICT by admin
Asokumar Buvanendran, M.D., director of orthopaedic anaesthesia and associate professor of anaesthesiology, Rush University Medical Center, Chicago, Illinois, conducted the study with 60 TKR patients in two groups. One group received 300 milligrams of pregabalin two hours before surgery and 150 milligrams twice a day for 14 days following surgery. The other patients were given placebos at the same intervals. Both groups received pain medication through an epidural catheter during surgery and after surgery through a patient-controlled device.
The study found a “significant decrease” between the pregabalin and placebo groups in pain medication consumption in the 32 hours following surgery at all time points. The pregabalin group also consistently reported pain levels between 2 and 4 (on a scale of 1 to 10, with “10″ being most severe) following surgery.
In addition, the patients’ knee range of motion (ROM) following surgery was higher in the pregabalin patients at hospital discharge: 84 degrees compared to 76 degrees among non-pregabalin patients. At 83 degrees a patient can climb stairs. According to Dr. Buvanendran, it typically takes a patient a full week to reach that level.
“(Administration of pregabalin ) decreased postoperative analgesic requirements while improving function,” Dr. Buvanendran said, adding that the ROM improvements are “especially important.”
“When you can walk up and down stairs, it makes a huge difference in patient quality of life,” he said. In addition, the improved range of motion allows patients to complete necessary post-surgical rehabilitation more quickly. (ANI)
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Tags: 300, epidural catheter, hospital discharge, knee pain and disability, knee replacement, knee stiffness, mechanical failure, milligrams, orthopaedic anaesthesia, pain medication, patient quality, placebo groups, placebos, pregabalin, range of motion, reported pain, rush university, stairs, surgical rehabilitation, tkr