Partial versus total knee replacement surgery – latest findings

People under 65 years who have a partial knee replacement could enjoy a larger range of motion and increased return to activity compared to those who have a total knee replacement. But revision rates are higher, says the new research.

Experts reviewed the available research and found 27 studies (involving 2,224 knees) on partial knee replacement and 33 studies (involving 4,737 knees) about total knee replacement. They looked at revision rates, functional outcomes, and return to activity.

The results show that good-to-excellent outcomes can be achieved following both partial and total knee replacements in people less than 65 years of age.

A higher annual revision rate was noted after partial knee replacement compared to total knee replacement. But higher functional outcomes, range of motion and return to activity were found after partial knee replacement compared to total knee replacement. The researchers comment:

“Outcomes of [partial knee replacement and total knee replacement] in patients younger than 65 years are both satisfying, and therefore, both procedures are not contraindicated at younger age.”

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