The Magpies produced a sub-standard performance at home to West Ham, going down 1-0 thanks to a first-half goal from former Newcastle player Kevin Nolan, leading to theories that Pardew's men were still feeling the effects of their 2-2 draw with Club Brugge on Thursday night.
However, speaking after the game, Pardew was quick to play down such notions.
"We had a team that was protected from that and we can have no excuses about that," Pardew told reports.
"I didn't think it had much impact today. We've only had a couple of days to prepare but I don't really want to make an excuse about the Europa League. I think we were fresh, we had a good mindset for the game, we just didn't click today."
Pardew pointed the blame for his side's insipid performance at their slow start to proceedings at St James Park, where the home side have now lost two out of their last three Premier League fixtures.
|17/2||Newcastle are 17/2 with William Hill to beat Swansea 2-0 at St James' Park next Saturday|
"We wasted a part of the game that we can't afford to waste which is the start, when teams come in slightly nervous," he added.
"We knew West Ham would play a fragmented game, it would be stop-start with balls coming into our box and we had to deal with a lot of those situations, which I thought we did to be honest.
"We didn't get any rhythm or apply any pressure on them as we should as a home team, and let them get a footing in the game.
"Once they got the goal, they were a lot more confident so we wasted an opportunity there, after that we've created good presure without really maknig a special moment."