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Proximal femoral nail anti-rotation

Proximal femoral nail anti-rotation has been studied in 6 papers since 2017: 6 observational studies in people. The newest paper, Aug 11, 2025: “Comparison of proximal femoral universal nail and proximal femoral nail anti-rotation internal fixation for older patients with intertrochanteric femoral fracture: a retrospective cohort study”.

Intervention

6 papers study it4 findingsUpdated

See all 6

“bleeding loss was (153.33 ± 59.96) mL and (335.31 ± 90.87) mL(P < 0.05)”
Comparison of Clinical Outcomes With Proximal Femoral Nail Anti-rotation Versus Bipolar Hemiarthroplasty for the Treatment of Elderly Intertrochanteric FracturesResearch Square2021doi:10.21203/rs.3.rs-527679/v1

None of its findings points the other way.

C, W, M, H: cells, worms or flies, mice, humans. Dark: independent labs found the same change there. Light: one lab or one study. Outline: nothing yet.

Labs are independent when their papers share no last author and no institution.

  • 2 independent labs in 1 country
  • Humans6

What did studies of Proximal femoral nail anti-rotation find?

3

Studies of Proximal femoral nail anti-rotation measured 3 outcomes; the most studied are postoperative complications (1 study), harris score (1) and bleeding loss (1).

Postoperative complications

no changein humans1

1 study

  1. Proximal femoral nail anti-rotation has no effect on postoperative complications in humans.

    “There was no significant difference in postoperative complications between the two groups (P > 0.05).”

    Human trialintertrochanteric fractures

    Comparison of Clinical Outcomes With Proximal Femoral Nail Anti-rotation Versus Bipolar Hemiarthroplasty for the Treatment of Elderly Intertrochanteric Fractures

    Research SquarePreprint

Harris score

upin humans1

1 study

  1. Proximal femoral nail anti-rotation improves harris score in humans (73.20 vs 68.91 points).

    “the Harris scores were (73.20 ± 6.56) points and (68.91 ± 8.15) points (P < 0.05)”

    Human trialintertrochanteric fractures

    Comparison of Clinical Outcomes With Proximal Femoral Nail Anti-rotation Versus Bipolar Hemiarthroplasty for the Treatment of Elderly Intertrochanteric Fractures

    Research SquarePreprint

Bleeding loss

downin humans1

1 study

  1. Proximal femoral nail anti-rotation decreases bleeding loss in humans (153.33 vs 335.31 mL).

    “bleeding loss was (153.33 ± 59.96) mL and (335.31 ± 90.87) mL(P < 0.05)”

    Human trialintertrochanteric fractures

    Comparison of Clinical Outcomes With Proximal Femoral Nail Anti-rotation Versus Bipolar Hemiarthroplasty for the Treatment of Elderly Intertrochanteric Fractures

    Research SquarePreprint

What is Proximal femoral nail anti-rotation linked with?

1

Studies link Proximal femoral nail anti-rotation with 1 measure, most often intraoperative blood loss (1 study).

Intraoperative blood loss

downin humans1

1 study

  1. Proximal femoral nail anti-rotation is associated with intraoperative blood loss in humans.

    “The incision length, operation time, and intraoperative blood loss of group A were significantly less than those of groups B and C”

    HumansFemoral intertrochanteric fracture; compared with locking compression plate and artificial femoral head replacement

    Efficacy comparison of different methods to treat femoral intertrochanteric fracture in aged patients

    Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery

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