H I P Flashcards
what are the anatomical classifications of NOF fractures?
- intra-capsular- between the head and the neck
- extra-capsular - divided into inter-trochanetric (between greater and lesser trochanter) and sub-trochanteric (5cm distal from the lesser trochanter)
describe the blood supply to the NOF
- retrograde blood supply (from distal to proximal)
- mainly through the medial circumflex femoral artery which lies in intra-capsular femoral neck
displaced intracapsular NOF fracture risk
displaced intra-capsular NOF fractures disrupt blood supply to femoral head and cause AVN even if hip is fixed
- so patients require athroplasty (joint replacement) rather than fixation
how are intra-capsular fractures classified
- garden classification (I-IV)
- I-II = non-displaced, incomplete vs complete fracture
- III-IV = displaced, complete fracture + partial displaced vs. complete fracture + fully displaced
what are the clinical features of pt with NOF features
- trauma (low energy)
- pain in groin, thigh or referred to knee
- inability to weight bear
what are the features seen on NOF on examination
- leg is shortened and externally rotated (due to pull of external rotators
- pain on pin-rolling leg and axial loading
- N+V deficits are rare
ddx for NOF
- acetabular fracture
- femoral head fracture
What lx required in NOF
- urine
- CXR, ECG - pre op assessment and peri-operative assessment especially in elderly patients
- bloods: routine bloods including: FBC, UE, coag screen, group and save, CK (assess for rhabdomyolysis)
How are NOF fractures managed
- A-E approach
- analgesia and anti-emetics
- surgical management
- post op NOF patients should be managed jointly under the care of theortho-geriatricians- best outcomes achieved viaearly rehabilitation
throughphysiotherapists
andoccupational therapists.
image for producer for each fracture
what are the immediate post op complicated in NOF
pain, bleeding, leg-length discrepancies, and potential neurovascular damage
what are the complications of NOF fractures
- joint dislocation, aseptic loosening, deep infection or prosthetic joint infection
- AVN in intra-capsular NOF fractures
- mortality rate is 30% for NOF fractures
management of displaced subcapital
hip hemiarthroplasty
inter trochanter and basocervical management
DHS
non displaced intra capsular
cannulated hip screws
sub trochanteric
IM