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Limb Lengthening Library

Research summary

Integrated vs. Classical Limb Lengthening: A Meta-Analysis (2020)

A meta-analysis of 457 classical and 488 integrated cases reported shorter frame exposure and fewer problems and sequelae with integrated methods, while deep infection was more common and was highest for LON among integrated techniques. Heterogeneous nonrandomized data do not prove universal superiority.

Topic: devicesType: reviewYear 2020

In brief

What should readers understand about Integrated vs. Classical Limb Lengthening: A Meta-Analysis (2020)?

A systematic review and meta-analysis by Sheridan, Fragomen, and Rozbruch (HSS) comparing integrated techniques (LON, LATN, internal nails) to classical external fixation.

Limits: This summary explains evidence context and limitations; it is not medical advice.

Evidence
Peer-reviewed evidence
Source set
Peer-reviewed sources
Updated
References
1 listed

Editorial responsibility: Limb Lengthening Library editorial team. Independent medical review is not claimed unless a named reviewer is listed. How sources are reviewed.

Topic: devicesType: reviewYear: 2020Updated

Study Question

Sheridan, Fragomen, and Rozbruch compared classical with a broad integrated category that included lengthening over a nail, lengthening then nailing, and fully implantable nails. The source literature included different bones, indications, devices, and eras. [1]

Reported Pooled Findings

Integrated approaches were associated with shorter external-fixator time and favorable pooled healing-index and complication outcomes. Those findings support the rationale for reducing frame exposure and using in selected cases.

Why Superior in the Title Is Not a Universal Rule

The comparisons were not one randomized trial of interchangeable patients. Technique selection, case complexity, era, center experience, and reporting can influence outcomes. LON, LATN, and fully internal nails also have different operations and risks and should not be treated as one device choice.

Decision Limits

  • Pooled averages do not identify the best method for one anatomy or indication.
  • Less frame time does not remove deep infection, implant, nerve, joint, or reoperation risk.
  • A historical meta-analysis cannot establish current device availability or recall status.
  • Provider-specific outcomes and current instructions remain necessary.

Sources

Verification policy

Informational only. Not medical advice.