{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,7]],"date-time":"2026-06-07T10:00:56Z","timestamp":1780826456654,"version":"3.54.1"},"reference-count":43,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2026,6,4]],"date-time":"2026-06-04T00:00:00Z","timestamp":1780531200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["HIP International"],"abstract":"<jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>To analyse the clinical, radiological, and functional outcomes of robotic-arm assisted total hip arthroplasty (RA-THA) with a mean follow-up of 2 years at Hospital Cl\u00ednico San Carlos, Madrid.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and methods:<\/jats:title>\n                    <jats:p>A prospective descriptive study was conducted including patients who underwent RA-THA using the Mako system (Stryker) between October 2021 and March 2024. All procedures were performed by 4 dedicated hip surgeons, excluding each surgeon\u2019s learning curve. Demographic, clinical, functional, and radiological parameters were analysed. Mean follow-up exceeded 24 months.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>A total of 226 patients were included (52% male, 48% female), with a mean age of 64.9 \u00b1 12.9 years. Mean follow-up was 27.1 (range 12\u201336) months.<\/jats:p>\n                    <jats:p>Preoperative diagnoses were primary hip osteoarthritis in 88.5%, developmental dysplasia in 5.8%, avascular necrosis in 3.1%, post-traumatic osteoarthritis in 1.8%, and subcapital fracture nonunion in 0.4%.<\/jats:p>\n                    <jats:p>Mean operative time was 87.9 \u00b1 23.4 minutes. Intraoperative complications included 11 technical events related to marker loss (4.86%), 6 greater trochanter fractures (2.6%), and 2 calcar fractures (0.8%).<\/jats:p>\n                    <jats:p>\n                      Mean acetabular component positioning was 43.1 \u00b1 3.4\u00b0 of inclination and 14.2 \u00b1 3.8\u00b0 of anteversion. Native femoral offset was preserved, with a mean difference of 1.8 \u00b1 4.5 mm. Planned limb-length discrepancy accuracy was 90% within \u00b15 mm. Modified Harris Hip Score (mHHS) improved from a preoperative mean of 51.7 to 87.9 at 1 year (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      &lt; 0.001).\n                    <\/jats:p>\n                    <jats:p>During follow-up, 5 neurological complications were recorded, 5 postoperative greater trochanter fractures, and 5 infections (2.2%), all successfully treated. 1 traumatic dislocation (0.4%) occurred without revision surgery.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>Robotic-arm assisted THA achieves high accuracy and precision in implant positioning and limb-length restoration, with a low dislocation rate. Operative time, complication rates, and short- to mid-term functional outcomes fall within the ranges previously reported in the literature for conventional techniques. Long-term studies are required to determine the impact of robotic assistance on implant survivorship.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/11207000261447249","type":"journal-article","created":{"date-parts":[[2026,6,4]],"date-time":"2026-06-04T08:58:25Z","timestamp":1780563505000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Analysis of clinical, radiological, and functional outcomes of robotic-arm assisted total hip arthroplasty (Mako\u00ae) at Hospital Cl\u00ednico San Carlos"],"prefix":"10.1177","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7633-2891","authenticated-orcid":false,"given":"Alberto","family":"Franc\u00e9s-Borrego","sequence":"first","affiliation":[{"name":"Orthopaedic Surgery and Traumatology, Hospital Universitario Cl\u00ednico San Carlos, Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-1855-0500","authenticated-orcid":false,"given":"Eduardo","family":"Valent\u00edn-Bravo","sequence":"additional","affiliation":[{"name":"Orthopaedic Surgery and Traumatology, Hospital Universitario Cl\u00ednico San Carlos, Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7498-4725","authenticated-orcid":false,"given":"Sergio","family":"Llanos-Sanz","sequence":"additional","affiliation":[{"name":"Orthopaedic Surgery and Traumatology, Hospital Universitario Cl\u00ednico San Carlos, Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-5912-1693","authenticated-orcid":false,"given":"Jesus","family":"Vicente-Garc\u00eda","sequence":"additional","affiliation":[{"name":"Orthopaedic Surgery and Traumatology, Hospital Universitario Cl\u00ednico San Carlos, Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andres","family":"Bartrina-Tarrio","sequence":"additional","affiliation":[{"name":"Orthopaedic Surgery and Traumatology, Hospital Universitario Cl\u00ednico San Carlos, Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5241-9848","authenticated-orcid":false,"given":"Alberto","family":"Rodr\u00edguez-Gonz\u00e1lez","sequence":"additional","affiliation":[{"name":"Orthopaedic Surgery and Traumatology, Hospital Universitario Cl\u00ednico San Carlos, Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,6,4]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.3109\/03009749109096811"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1080\/17453670610013501"},{"key":"e_1_3_2_4_2","first-page":"265","article-title":"Leg-length discrepancy after total hip arthroplasty: comparison of robot-assisted posterior, fluoroscopy-guided anterior, and conventional posterior approaches","volume":"44","author":"Bitar YFE","year":"2015","unstructured":"Bitar YFE, Stone JC, Jackson TJ, et al. 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