Clindamycin in Prosthetic Joint Infections Caused by Staphylococcus (CISTA)

Inclusion Criteria: * Patients with PJI defined according to the IDSA. * Infection must be mono-microbial or multi-microbial with Staphylococcus spp sensitive to Clindamycin. * Infection may be acute or chronic, nosocomial or community-acquired. * Patient having received a curative treatment with Clindamycin. Exclusion Criteria: * Patients with osteitis, osteomyelitis, septic arthritis in native joints, diabetic foot infections, spondylodiscitis, infections in external fixator, surgical site infections following neurosurgical management, bedsores, skin and soft tissue infections. * Patients with mono-microbial infections other than Staphylococcus, multi-microbial infections including other bacteria than Staphylococcus, suspected Osteoarticular Infection without microbial identification. * Patients with clindamycin-resistant Staphylococcal PJI, constitutive MLSb phenotype. * Patients having received suspensive treatment with Clindamycin. * Patients treated with Clindamycin as last line of treatment for a duration of less than 14 days. * Patients refusing to participate * Patients under legal protection (guardianship, curatorship, ..)