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A short stem solution: through small portals.

Adolph V Lombardi¹, Keith R Berend, Joanne B Adams

¹Joint Implant Surgeons Inc., 7277 Smith's Mill Road, New Albany, OH 43054, USA.

|September 16, 2009

Summary

This summary is machine-generated.

Short stems in total hip arthroplasty (THA) offer easier insertion and bone preservation. Early results in 640 primary THAs show promising outcomes, suggesting a viable alternative to traditional long stems.

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Area of Science:

Orthopedic Surgery
Biomedical Engineering
Arthroplasty Research

Background:

Short stem designs in total hip arthroplasty (THA) are gaining traction due to minimally invasive surgical trends.
Traditional long stems have proven successful, prompting investigation into the benefits of shorter alternatives.
The biomechanical goals of tapered stems, such as proximal loading and bone stress delivery, are being re-evaluated in the context of short stems.

Purpose of the Study:

To evaluate the early clinical outcomes and surgical considerations of short stem designs in primary total hip arthroplasty.
To compare the advantages of short stems, including ease of insertion and bone conservation, against traditional long stems.
To assess the feasibility and potential benefits of short stems in the context of less invasive surgical approaches.

Main Methods:

A review of 640 primary total hip arthroplasties utilizing short stem designs.
Analysis of surgical techniques, including femoral preparation with broaching and insertion methods.
Assessment of early outcomes up to 38 months post-surgery.

Main Results:

Short stems demonstrated ease of insertion, particularly with the anterior approach, and simplified femoral preparation via broaching.
Bone conservation was a key advantage, potentially offering better conditions for future revision surgery.
Early results in 640 primary THAs were promising, with specific guidance on sizing and insertion techniques provided.

Conclusions:

Short stems in THA are a viable option, offering benefits in surgical ease and bone preservation.
While longer follow-up is necessary, early outcomes suggest short stems are a promising alternative to traditional designs.
Aggressive sizing and specific insertion techniques are recommended for optimal short stem component seating.