Tourniquet use did not negatively impact pain at 90 days, functional outcomes after TKA

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Source/Disclosures Published by: Source:

Lawrie CM, et al. Paper 362. Presented at: American Academy of Orthopedic Surgeons Annual Meeting; March 7-11, 2023; vegas.

Disclosures: Lawrie reports that he is a paid consultant for Medtronic, MicroPort Orthopedics and Zimmer Biomet; be a paid presenter or speaker for Kowa Pharmaceuticals; receive IP royalties from Zimmer Biomet; and receive shares or stock options in OPUM Technologies.

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Key points: Tourniquet use during TKA had no negative impact on patients’ daily pain or functional outcomes. A smartphone-based patient engagement platform can help monitor early recovery among these patients.

LAS VEGAS — According to the results presented, the use of a tourniquet during total knee arthroplasty did not have a significant negative impact on patients’ daily pain or functional outcomes for the first 90 days after surgery.

“I don’t think many of us are too concerned about field bleeding with or without a tourniquet,” said Charles M. Lawrie, MD, in his presentation at the American Academy of Orthopedic Surgeons annual meeting. “The most concerning thing for us nowadays is getting our patients up and moving quickly. So, we worry about injuring soft tissue due to pressure or ischemia,” he said.

The use of a tourniquet during PTG did not have a significant negative impact on patients’ daily pain or functional outcomes. Image: AdobeStock

Charles M. Lawrie

Lawrie and colleagues analyzed 54 patients who underwent primary PTG with the use of a tourniquet and 53 patients who underwent the procedure without a tourniquet. According to Lawrie, tourniquets were applied to the incision and removed after the prosthesis was finally implanted.

Patients used a smartphone-based patient engagement platform (PEP) and wearable sensor to track activity and daily step count from 1 week before surgery to 90 days after surgery. Other outcomes included VAS pain scores, opioid consumption, Oxford Knee Score (OKS), and Forgotten Joint Score (FJS).

Overall, the researchers found no differences in perioperative blood loss, length of surgery, and length of hospital stay between the two groups. They also noted that tourniquet use had no impact on VAS pain scores, opioid consumption, OKS, and FJS for both groups.

“Tourniquet use in primary PTG using individualized inflation pressures had no significant impact on recovery trajectory, including pain and functional outcomes,” Lawrie concluded. “It appears that PEPs could be a promising research tool in the future for monitoring patients’ early recovery at a more granular level,” she added.

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American Academy of Orthopedic Surgeons Annual Meeting

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