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Updated: Jun 18, 2026

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Mini-invasive nail versus DHS to fix pertrochanteric fractures: a case-control study.

E Foulongne¹, M Gilleron, X Roussignol

¹Department of Orthopaedic and Trauma Surgery, Charles Nicolle Hospital, Rouen University Hospital Center, 76031 Rouen cedex, France.

Orthopaedics & Traumatology, Surgery & Research : OTSR

|December 1, 2009

Summary

The BCM nail offers better stability and functional recovery for trochanteric fractures compared to the dynamic hip screw (DHS). While the DHS had less blood loss, the BCM nail showed fewer complications and improved healing.

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Area of Science:

Orthopedic surgery
Trauma management
Implant technology

Background:

Trochanteric fractures are commonly treated with dynamic hip screw (DHS) or intramedullary implants.
Both DHS and intramedullary devices are considered valid treatment options despite potential complications.

Purpose of the Study:

To compare the efficacy of a sliding screw-plate system (DHS) with a mini-invasive nailing device (BCM nail) for treating trochanteric fractures.
To evaluate the BCM nail's potential for stable internal fixation and enhanced postoperative functional recovery.

Main Methods:

A prospective comparative case-control study involving 60 patients (30 per group) over 60 years old with trochanteric fractures.
Comparison included operative data, postoperative course, functional outcomes, and anatomical healing.

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Last Updated: Jun 18, 2026

Treatment with Locking Intramedullary Nailing for Intertrochanteric Fracture of the Femur Utilizing a New Awl with a Distal Positioner

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The BCM nail involved primary cephalic screw insertion followed by mini-invasive nail insertion.

Main Results:

The DHS group showed less operating time and blood loss (intraoperative and Day 3).
The BCM nail group had a shorter delay to sitting in a wheelchair and a lower incidence of secondary displacements.
The BCM nail group demonstrated a superior healing rate at 3 months and a lesser decrease in the Parker score for functional recovery.

Conclusions:

The BCM nail provides enhanced stability and functional recovery for trochanteric fractures.
Ancillary difficulties with the mini-invasive technique require refinement.
Preliminary results support further development of the BCM nail device.