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Open research questions in Hip and Femur Fractures

196 unresolved questions extracted from the limitations and future-work sections of 826 Hip and Femur Fractures papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • lack of follow-up data, including surgical management and outcomes, - absence of bone turnover markers and recent BMD measurements, - single case report with no control group

    Bilateral atypical femoral fractures following unsupervised long-term alendronate use: a case report · 2026 · DOI

  • investigation of the effects of long-term bisphosphonate use on bone health, - study of the relationship between calcium intake and fracture risk, - development of clearer monitoring systems for long-term medication use

    Bilateral atypical femoral fractures following unsupervised long-term alendronate use: a case report · 2026 · DOI

  • small number of events, especially in the long-construct group, - inability to separate the effects of nail length, distal locking, and treatment era, - lack of evaluation of functional outcomes

    Association of Long Versus Standard-Length Cephalomedullary Nail Constructs with Posterior Sagging in Intertrochanteric Fractures with Posteromedial Comminution: A Retrospective Comparative Study · 2026 · DOI

  • further studies to confirm the association between long CMN constructs and lower occurrence of posterior sagging, - investigation of the effects of nail length, distal locking, and treatment era on posterior sagging

    Association of Long Versus Standard-Length Cephalomedullary Nail Constructs with Posterior Sagging in Intertrochanteric Fractures with Posteromedial Comminution: A Retrospective Comparative Study · 2026 · DOI

  • Clinical and methodological heterogeneity across studies. Differences in patient populations, anesthesia techniques, outcome definitions, and study designs. The need to assess the risk of bias using RoB 2 for randomized trials and ROBINS-I for observational studies.

    General versus neuraxial anesthesia and postoperative pneumonia after hip fracture surgery in older adults: a systematic review and meta-analysis · 2026 · DOI

  • Less than half of the people who sustain a hip fracture are able to recover to their previous mobility and function. Hip fracture incidence rates in women are much higher than in men. There is a lack of sufficient prospective data during the first year after hip fracture surgery.

    Sex differences in mobility recovery after hip fracture: a time series analysis · 2024 · DOI

  • step counts during walking were underestimated, especially at low gait speeds (≤0.47 m/s), - the post-fracture observation period was limited to 1 year

    Sex differences in mobility recovery after hip fracture: a time series analysis · 2024 · DOI

  • Little is known about the prevalence, specific characteristics, and outcomes of hip fracture patients with cognitive impairment.

    The vulnerability of hip fracture patients with cognitive impairment: an analysis of health conditions, hospital care, and outcomes · 2025 · DOI

  • Future research should explore long-term effects and refine exercise protocols for telerehabilitation.

    Feasibility and efficacy of real-time teleresistance exercise programs for physical function in elderly patients after hip fracture surgery: a randomized controlled trial · 2025 · DOI

  • Whether similar early inpatient rehabilitation strategies could benefit orthopedic patients has not been well explored.

    Preoperative rehabilitation and in-hospital mortality in delayed hip fracture surgery: a nationwide cohort study with stratification by kidney function · 2025 · DOI

  • Few studies have specifically evaluated 1-year mortality risk in older individuals with femoral intertrochanteric fracture.

    One-year mortality risk in older individuals with femoral intertrochanteric fracture: a tertiary center in China · 2024 · DOI

  • Respondents found that patient initiative during rehabilitation exercises was insufficient, that the comprehensiveness and continuity of exercises could not be guaranteed, and that unification between textbook theory and clinical practice was incomplete.

    Postoperative rehabilitation exercise experiences of geriatric patients with femoral neck fractures based on the perspective of medical staff: a qualitative study · 2024 · DOI

  • Careful consideration of how bone health messages are communicated to patients post-fracture by health care providers is warranted.

    The experience of feeling old after a fragility fracture · 2024 · DOI

  • However, the association of multimorbidity with postfracture adverse outcomes, such as subsequent fractures and premature mortality, has not been widely explored.

    Health Perceptions, Multimorbidity, and New Fractures and Mortality Among Patients With a Fracture · 2024 · DOI

  • Osteoporotic fractures are a significant clinical problem, particularly in elderly populations. The current treatments for osteoporotic femoral intertrochanteric fractures have limitations. There is a need for more effective treatments for osteoporotic femoral intertrochanteric fractures.

    Denosumab Injection Combined with Intramedullary Nail Fixation for Osteoporotic Fractures · 2026 · DOI

  • The study had a relatively small sample size. The follow-up period was limited to 1 year. The study did not investigate the long-term effects of denosumab injection combined with intramedullary nail fixation.

    Denosumab Injection Combined with Intramedullary Nail Fixation for Osteoporotic Fractures · 2026 · DOI

  • Femoral intertrochanteric fractures are often comminuted and occur in the setting of osteoporosis. Elderly patients typically present with multiple comorbidities. There is a need to identify reasonable and effective treatment strategies.

    Comparative mid-term outcomes of hemiarthroplasty and internal fixation in treating senile femoral intertrochanteric fractures: a retrospective cohort study · 2026 · DOI

  • There is a need to identify reasonable and effective treatment strategies for femoral intertrochanteric fractures in elderly patients. The study aims to fill this gap by comparing the medium-term efficacy of hemiarthroplasty and internal fixation.

    Comparative mid-term outcomes of hemiarthroplasty and internal fixation in treating senile femoral intertrochanteric fractures: a retrospective cohort study · 2026 · DOI

  • The study identifies a gap in the existing literature regarding the biomechanical effects of varying distal screw positions in the Biplane Double-Supported Screw Fixation technique. The study addresses the need for a systematic evaluation of the biomechanical effects of distal screw position on the stress distribution and overall construct stability of the Biplane Double-Supported Screw Fixation technique.

    Does the distal screw location in the Biplane double-supported screw fixation technique affect the risk of subtrochanteric fractures after femoral neck fixation? A finite element analysis · 2026 · DOI

  • Although our finite ele- ment analysis indicates that distal placement of the screw does not necessarily increase stress concentration in the subtrochanteric region, this conclusion is based on a sim- plified model that does not account for all biological and mechanical variables present in vivo.

    Does the distal screw location in the Biplane double-supported screw fixation technique affect the risk of subtrochanteric fractures after femoral neck fixation? A finite element analysis · 2026 · DOI

  • The study faces the challenge of accurately predicting postoperative mortality. The study must address the issue of limited generalizability. The study must overcome the challenge of combining clinical baseline features and deep learning models.

    Application of deep learning-clinical baseline feature fusion model to predict postoperative mortality in elderly patients with hip fracture: a multicenter study · 2026 · DOI

  • Prior studies have not fully captured the key factors affecting patient outcomes. There is a need for a more accurate model to predict postoperative mortality. The study aims to address this gap by combining clinical baseline features and deep learning models.

    Application of deep learning-clinical baseline feature fusion model to predict postoperative mortality in elderly patients with hip fracture: a multicenter study · 2026 · DOI

  • The study had a limited sample size and dataset. The model may not generalize well to other populations or imaging modalities. The study did not explore the use of other deep learning architectures or techniques.

    Development and validation of a deep learning-based automatic detection and classification model for femoral neck fractures using hip imaging: a retrospective multicenter diagnostic study · 2026 · DOI

  • To explore the use of other deep learning architectures or techniques for femoral neck fracture classification. To evaluate the model's performance in other populations or imaging modalities. To integrate the model into clinical workflows and evaluate its impact on patient outcomes.

    Development and validation of a deep learning-based automatic detection and classification model for femoral neck fractures using hip imaging: a retrospective multicenter diagnostic study · 2026 · DOI

  • Future research should focus on evaluating the performance of MMPro-HIP on larger datasets. Future research should compare MMPro-HIP to other state-of-the-art models. Future research should explore the application of MMPro-HIP to other clinical domains.

    MMPro-HIP: multimodal progressive fusion model for elderly HIP fracture risk prediction · 2026 · DOI

Most-cited papers in Hip and Femur Fractures

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196 open questions have been extracted from the limitations and future-work passages of 826 Hip and Femur Fractures papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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