Post-Operative Constipation Following Total Knee Arthroplasty

Patients in the propylene glycol arm will receive one standard dose of the drug on postoperative day one prior to discharge with the aim of decreasing rates of postoperative constipation for patients following single total knee replacement surgery

Patients in the docusate sodium arm are receiving the current standard of care for prevention of postoperative constipation following single total knee replacement surgery, docusate sodium one pill twice a day by mouth for 28 days