{
  "abstract": "BackgroundRobot-assisted cannulated-screw fixation may improve trajectory control and reduce fluoroscopic acquisitions during femoral neck fracture treatment; however, its comparative clinical benefits and early learning curve remain insufficiently characterized.MethodsThis single-centre retrospective cohort study included 61 patients aged 18–65 years with acute Pauwels type II or III femoral neck fractures treated between January 2023 and January 2025. Twenty-one patients underwent robot-assisted fixation and 40 underwent conventional freehand fixation with three cannulated screws. Perioperative, radiographic, and 12-month clinical outcomes were compared. The learning curve was assessed using Spearman rank correlation, simple linear regression, and mean-centred cumulative sum (CUSUM) analysis.ResultsBaseline characteristics were comparable between groups. Compared with conventional freehand fixation, robot-assisted fixation was associated with shorter total operative time., fewer fluoroscopic acquisitions.., and lower intraoperative blood loss… Robot-assisted fixation was associated with more favourable screw-placement parameters and less femoral-neck shortening. Postoperative day-1 pain scores assessed using VAS were lower in the robot-assisted group. HHS values were higher at 1 month and final follow-up. Fracture-healing time and neck–shaft angle did not differ significantly between groups. Only one postoperative complication occurred during follow-up, consisting of screw back-out in one patient in the freehand group; therefore, comparative safety conclusions were not supported. Within the robot-assisted cohort, case number was inversely associated with total operative time, puncture workflow time, and fluoroscopy use. The mean-centred CUSUM trajectories reached sample-specific maxima at cases 7, 6, and 6, respectively, before showing overall downward trajectories.ConclusionRobot-assisted percutaneous cannulated-screw fixation was associated with greater procedural efficiency and more favourable screw-placement parameters than conventional freehand fixation. Statistically significant differences were observed in postoperative pain, HHS, and femoral-neck shortening; however, the clinical importance of these differences remains uncertain. Operative performance improved across the observed sequence of robot-assisted cases, although no validated proficiency threshold could be established from this cohort.",
  "abstract_shown": true,
  "affiliations": [
    "Department of Orthopedics, The Sixth Hospital of Wuhan, Affiliated Hospital of Jianghan University, Wuhan, China",
    "Department of Orthopedics, Combat-Trauma Treatment Center, General Hospital of Central Theater Command, Wuhan, Hubei, China"
  ],
  "article_type": null,
  "arxiv": null,
  "author_total": 5,
  "authors": [
    {
      "affs": [
        0
      ],
      "name": "Hu Gong"
    },
    {
      "affs": [
        0
      ],
      "name": "Yang Shu"
    },
    {
      "affs": [
        1
      ],
      "name": "Te Li"
    },
    {
      "affs": [
        0
      ],
      "name": "Jibin Chen"
    },
    {
      "affs": [
        0
      ],
      "name": "Fanghui Zhang"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/7ynyf88raa11w.bib",
  "cited_by": 0,
  "doi": "10.3389/fsurg.2026.1980063",
  "fulltext_url": "https://www.frontiersin.org/articles/10.3389/fsurg.2026.1980063/full",
  "id": "7ynyf88raa11w",
  "issns": [
    "2296-875X"
  ],
  "landing_url": "https://doi.org/10.3389/fsurg.2026.1980063",
  "language": "en",
  "licence": "CC-BY",
  "licence_label": "CC BY",
  "licence_source": "journal",
  "licence_url": "https://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": null,
  "native_subjects": [
    [
      "lcc",
      "RD1-811"
    ],
    [
      "openalex",
      "2746|Hip and Femur Fractures"
    ]
  ],
  "openalex": "W7223693349",
  "pdf_url": "https://www.frontiersin.org/journals/surgery/articles/10.3389/fsurg.2026.1980063/pdf",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-26",
  "publisher": "Frontiers Media S.A.",
  "ris": "https://research.draconitic.com/paper/7ynyf88raa11w.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T13:47:26Z",
      "native_id": "02c842a4089e46a2b8e30f05357878de",
      "source": "doaj",
      "url": "https://doi.org/10.3389/fsurg.2026.1980063"
    }
  ],
  "subjects": [
    {
      "field": "medicine",
      "origin": "openalex:2746|Hip and Femur Fractures",
      "subfield": "surgery"
    }
  ],
  "title": "Clinical outcomes and learning curve of robot-assisted percutaneous cannulated screw fixation for femoral neck fractures",
  "title_text": "Clinical outcomes and learning curve of robot-assisted percutaneous cannulated screw fixation for femoral neck fractures",
  "type": "peer-reviewed",
  "updated_at": "2026-10-31T14:21:09Z",
  "url": "https://research.draconitic.com/paper/7ynyf88raa11w",
  "venue": "Frontiers in Surgery",
  "versions": []
}