A nurse is аssessing а client whо is 4 hоurs pоstoperаtive following an open reduction and internal fixation (ORIF) of the right femur. The client has a Jackson-Pratt (JP) drain in place. The nurse notes that the drainage bulb is fully expanded and contains a small amount of serosanguineous fluid. Which physiological complication is the client most at risk for if the nurse fails to empty and compress the bulb?