Antibiotic-eluting calcium compounds can be used to deliver antibiotics in the management of prosthetic joint infection (PJI). Described omplications include wound drainage, heterotopic ossification(HO) as well as hypercalcaemia which is potentially life threatening. The aim of this study is to assess the incidence of hypercalcaemia and other complications between two calcium based antibiotic delivery systems. A retrospective study was performed. Thirty two patients treated with Stimulan or Cerament Calcium based antibiotic delivery system between August 2014 to January 2017 were included. Seven patients received Cerament, 21 cases received Stimulan and one patient received both. The volume used as well as pre- and post-operative serum calcium were recorded as well as any wound related complications and radiologic changes suggestive of heterotopic ossification. The postoperative serum adjusted Calcium were taken weekly during the initial post operative period. Patients with overactive parathyroid disease and pre-existing renal disease were excluded.Aim
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