Pardew believes the blow is likely to sideline the midfielder until January and the former Southampton manager is desperate to get the Frenchman back into action, but only if fully fit.
|EURO ADVENTURE FOR MAGPIES|
|50/1||Newcastle are 50/1 with Bet365 to finish in the top four|
"He's a very important player but we need to have him right. It's no good him playing at 80 per cent which he's done for the last three or four games so we have to get him right."
The Magpies have struggled to deal with a host of injuries to key players in recent weeks and lost 2-1 at home Swansea City in the Premier League on Saturday.
The 26-year-old has established himself as a key player since joining the club from Lille in June 2011 - scoring six times and grabbing 10 assists in 44 Premier League matches.