Garden classification of femoral neck fractures

vigente

Classifies intracapsular femoral neck fractures by displacement.

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Escala de categorias

I II III IV

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Procedência e vigência

Órgão emissor: Orthopedic consensus
Versão: 1961
Ano: 1961
Família: léxico
Tipo de lógica: flat
Modalidade: XR
Fonte primária: Low-angle fixation in fractures of the femoral neck (Garden)
Última verificação: 2026-06-26
Última checagem: 2026-06-26

Lógica de decisão

Forma estruturada (flat). Uma futura calculadora a lê; as categorias abaixo são a superfície legível.

Mostrar a lógica estruturada (JSON)

{
  "categories": [
    "I",
    "II",
    "III",
    "IV"
  ]
}

Categorias num relance

Cat.	Significado	Conduta	Risco	Fonte
I	Type I, incomplete or valgus impacted Incomplete femoral neck fracture, impacted in valgus and effectively stable (trabeculae not fully disrupted).	Undisplaced fracture: typically internal fixation with screws to preserve the native femoral head.	Undisplaced (Garden I-II) fractures carry low avascular-necrosis risk: pooled AVN ~4.7% (95% CI 3.4-6.0%); per-stage Garden I pooled AVN ~13.6% (95% CI 0-28.4%, wide due to few cases).	okfonte Criteria/management: Wikipedia 'Garden classification', classification table and Clinical Relevance section. AVN risk: PMC9408780 (systematic review/meta-analysis of AVN after femoral neck fracture stabilization), pooled rates by displacement and by Garden stage.
II	Type II, complete non-displaced Complete fracture but non-displaced; the trabecular lines remain in alignment across the fracture.	Undisplaced fracture: typically internal fixation with screws to preserve the native femoral head.	Undisplaced (Garden I-II) fractures: pooled AVN ~4.7% (95% CI 3.4-6.0%); per-stage Garden II pooled AVN ~12.2% (95% CI 0-26.2%).	okfonte Criteria/management: Wikipedia 'Garden classification', classification table and Clinical Relevance section. AVN risk: PMC9408780 meta-analysis, pooled AVN by displacement (undisplaced 4.7%) and per stage (Garden II 12.2%).
III	Type III, complete partially displaced Complete fracture with partial displacement, in varus, with disruption/malalignment of the trabeculae.	Displaced fracture: usually arthroplasty (prosthetic replacement); younger patients may attempt screw fixation first, proceeding to arthroplasty if it fails.	Displaced (Garden III-IV) fractures more often disrupt the femoral-head blood supply: pooled AVN ~20.7% (95% CI 12.8-28.5%), significantly higher than undisplaced; per-stage Garden III pooled AVN ~17.0% (95% CI 6.4-27.6%).	okfonte Criteria/management: Wikipedia 'Garden classification', classification table and Clinical Relevance section. AVN risk: PMC9408780 meta-analysis, pooled AVN displaced 20.7% and Garden III 17.0%.
IV	Type IV, complete fully displaced Complete fracture with full displacement and no contact between the fracture fragments.	Displaced fracture: usually arthroplasty (prosthetic replacement); younger patients may attempt screw fixation first, proceeding to arthroplasty if it fails.	Displaced (Garden III-IV) fractures: pooled AVN ~20.7% (95% CI 12.8-28.5%); per-stage Garden IV shows the numerically highest AVN, pooled ~32.8% (95% CI 11.8-53.8%).	okfonte Criteria/management: Wikipedia 'Garden classification', classification table and Clinical Relevance section. AVN risk: PMC9408780 meta-analysis, pooled AVN displaced 20.7% and Garden IV 32.8%.

Referências cruzadas

fronteira compartilhadaPauwels. Pauwels classification of femoral neck fracturesGarden grades femoral neck fracture displacement; Pauwels grades the fracture-line angle.

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