Jamie Mackie is set for a prolonged period on the sidelines with a back injury.

The QPR forward is set to undergo spinal decompression surgery later today and is expected to be out for two to three months.

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Speaking of the injury, Head Physio Matt May told www.qpr.co.uk: "Jamie has bulged a disc in his back, that's pressing on his nerve. He's got to have a spinal decompression.

"It's the kind of injury that can happen to anyone - the body at some point fails.

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"He'll need to rest and allow for the healing to take place initially, and then he can focus on getting back to full fitness."

The 31-year-old has been a regular for QPR this term, scoring four goals in 20 appearances.