Symptomatic hypercalcaemia following the use of calcium sulfate beads in periprosthetic joint infections.

Calcium sulfate beads (CSBs) are used as a method of delivery of antibiotics in periprosthetic joint infections, non-union and chronic osteomyelitis.[[1-3]] Symptomatic hypercalcaemia can occur as a complication following the insertion of CSBs however it is rare and few cases have been reported.[[4-7]] The cause of hypercalcaemia is poorly understood.