The study aims to evaluate the clinical, radiographical and patient-reported outcomes measurements up 3 years FU and to assess the survivorship of SL Cementless Stem after partial or total hip arthroplasty.

Inclusion Criteria:

All patients that underwent to partial or total hip arthroplasty and implanted with SL cementless stem between Jan 2010 and Jan 2020 at Nemocnice Kyjov Hospital (CZ) in accordance with the indication for use of the product and site standard of practice.

Additional Inclusion criteria:

• Availability of patients' immediate post-operative radiograph (baseline) and of a number of follow-up x-rays that the Principal Investigator deems sufficient for an effective radiographic implant evaluation and stability assessment;
• Patient is willing and able to complete additional follow-up evaluations if needed after signing ICF.

Exclusion Criteria:

• Age < 18 years;
• Female patients who are pregnant, nursing, or planning a pregnancy

Patients from Nemocnice Kyjov Hospital (CZ)