Pacira Pharmaceuticals markets the surgical pain medicine Exparel, and growing demand for it helped the company produce $72.9 million in revenue during the fourth quarter, according to preliminary results.Exparel sales grew 6.3% year over year, to $71.4 million, bringing full-year 2016 sales to $265.8 million, up 10.8% from 2015. Overall, Pacira Pharmaceuticals’ revenue is expected to total$276.4 million, up 11% from 2015.