Page 1 of 1: ortho : femoral neck avascular necrosis

rsvv79 · Credits: 5424 My Scrapbook

avascular necrosis of femoral neck is commonest in which of the foll #s
1.gorden 1 & 2
2.gorden 3 & 4
3.subtrochanteric #
4.basotrochanteric #

anavrin_kaerf · Credits: 4829 My Scrapbook

optiion b..ref maheshwari..

xiximi · Credits: 374 My Scrapbook

Why you think is b? can you explain?
thanks.

dsp · Credits: 1962 My Scrapbook My Reading List 23 Books

Avascular necrosis(avn) occurs due to disruption of blood supply to femoral head.

Intertrochanteric and subtrochanteric fractures are extracapsular fractures, blood supply to the femoral head is preserved and chances of avn are low

Intracapsular fractures cause disruption of blood supply to the femoral head by
1. direct disruption of blood supply
2. tamponading effect of the fracture hematoma

Although AVN can occur in undisplaced intracapsular fractures, displaced fractures (Garden 3 & 4) have been shown to be at higher risk for AVN

merci · Credits: 356 My Scrapbook

gr8 job.

jayanta · Credits: 38219 My Scrapbook My Reading List 45 Books

GORDON 3 AND 4.

anor · Credits: 475 My Scrapbook

risk of AVN are there in every of femoral neck fracture however in garden type 3 and 4, risk is almost 100%.

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