Hip

19 subtopics · 517 questions. Open a subtopic to see the clinical image and work through the questions.

THA - principles, consent and survivorship

Aims of hip replacement, implant longevity and pre-operative consent discussion

11 questions3 pages1 fact-check

Pelvic radiography, DDH classification and osteotomy

Reading pelvic radiographs, low DDH, Crowe classification and osteotomy decision

67 questions8 pages1 fact-check

Protrusio acetabuli and inflammatory hip disease

Protrusio on plain film and inflammatory arthropathies affecting the hip

29 questions2 pages1 fact-check

Implant biomaterials - basic science

Polyethylene, ceramic and cobalt-chrome alloy properties used in hip implants

36 questions6 pages

Bone cement - composition and strength

PMMA cement constituents and the factors that determine its mechanical strength

15 questions2 pages

Fixation - cemented versus biological

Principles of bone-ingrowth fixation compared with cemented stem fixation

17 questions3 pages

Femoral stem design and evolution

Ideal implant design, Charnley, Muller, Isoelastic and monoblock stem evolution

36 questions6 pages1 fact-check

Acetabular cup design and fixation

Acetabular component options including the porous-coated anatomical cup

8 questions2 pages

Taper junction and constrained implant concepts

Modular taper mechanics and designs that constrain or unconstrain motion

21 questions3 pages1 fact-check

Polyethylene wear and wear reduction

Eccentric liner wear, wear debris and methods to reduce bearing wear in arthroplasty

24 questions4 pages

Hard on hard and ceramic bearings

Ceramic-on-ceramic and metal-on-metal bearings with their theoretical benefits

23 questions5 pages

Aseptic failure - osteolysis, loosening and corrosion

Particle-induced osteolysis, aseptic loosening and mechanisms of taper corrosion

27 questions4 pages

Hip resurfacing

Technique, indications and outcomes of metal-on-metal hip resurfacing arthroplasty

15 questions2 pages1 fact-check

Periprosthetic infection - prevention and treatment

Theatre design, infection rates, difficulty of eradication and antibiotic choice

25 questions4 pages2 fact-check

Revision THA - workup, reconstruction and cages

History, radiographs, failed fixation, revision reconstruction and reinforcement cages

88 questions7 pages

THR complications - dislocation, gait and HO

Dislocation after cemented THR, Trendelenburg gait and heterotopic ossification

24 questions3 pages1 fact-check

Periprosthetic fracture and classification zones

Fracture around an arthroplasty, evidence for management and zone classification

30 questions4 pages

VTE prophylaxis after arthroplasty

DVT prevention protocols and management of over-anticoagulation

10 questions2 pages1 fact-check

Early post-op delirium and nerve palsy

Post-operative confusion and management of foot drop after hip replacement

11 questions2 pages