What compromise? The ACA passed the House [1] and Senate [2] without a single Republican vote.
[1]: http://www.washingtonpost.com/wp-dyn/content/article/2010/03...
> The House voted 219 to 212 to approve the measure, with every Republican voting no.
[2]: http://www.washingtonpost.com/wp-dyn/content/article/2009/12...
> Vice President Biden presided over the 60 to 39 party-line vote, ...