Although a patient may feel relief after a meniscectomy, there is invariably an effect on the joint which in the longer term may lead to joint surface damage and structural changes.
An 'interpretation' of a 2008 paper looking at whether the use of a collagen meniscus is valuable after meniscus injury. The conclusion was there there was some likely benefit in patients who had had a previous meniscectomy but not in patients who had just torn their meniscus.