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Manama > Heup > Flashcards

Heup Flashcards

1
Q

Trajectionele structuur bot heup

A

Ward driehoek: compressie en tensie lijnen.
Meer bij coxa vara, minder bij coxa valga.

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2
Q

Sourcil

A

Vorm = diagram van drukspanning

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3
Q

Alpha angle

A

Normal 42 graden
Pathologisch >61 graden

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4
Q

CEA

A

Normaal 20-25 graden
Dysplasie <20 graden
Pincer > 39 graden

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5
Q

HEER test

A

Hyper exetension and external rotation.
Micro instability testing bij heup impingement.

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6
Q

Risicofactoren AVN heup

A

Trauma
Chemotherapie, radiotherapie
Hemoglobinopathien (sikkelcel anemie)
Luchtembolen

Roken
Alcohol
Corticosteroiden
Nierlijden
Genetisch
Zwangerschap
Lupus

NIET diabetes

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7
Q

Acetabulum loosening op Rx?

A

De Lee zones

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8
Q

Femur tekenen van loosening op Rx

A

Gruen zones

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9
Q

Functies van steel van feurprothese

A
  • rotatie stabiliteit
  • varus voorkomen
  • subsidence voorkomen
  • allignement
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10
Q

Concept dual mobility

A

Low friction thv klein kopje (80% van beweging is hier)
Meer stabiliteit door grote kop. (Klein kopje is constrained in grote kop)

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11
Q

Voorwaarden hip resurfacing

A

Head size >50mm
Leeftijd <55j
Man

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12
Q

Deformity femur hip revision technique

A

Medial osteotomy and crush plasty

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13
Q

Post SCFE deformiteit behandeling

A
  • Dunn osteotomie: subcapitaal (trochanter osteotomie en extended retinacular flap)
  • Imhäuser osteotomie: interrrochanter => flexie, valgus en derotatie
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14
Q

Anterior center edge angle
Lateral center adge angle

A

Acea: false profile hip. Normaal 20-45 graden
Lcea: AP hip. Normaal 20-40

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15
Q

Femur osteotomie dysplasie

A

Variserende interteochantere osteotomie

  • Xrays in abduction
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16
Q

Osteotomie femur artrose

A

Interterochantere valgus osteotomie
Mediale osteofyt en laterale overload

17
Q

Salter osteotomy

A

Single transverse cut above the acetabulum through the ilium to sciatic notch
Acetabulum hinges through the pubic symphysis
Improves anterolateral coverage (can provide 20-25° lateral and 10-15° anterior coverage)
May lengthen leg up to 1cm

18
Q

Triple osteotomy

A

Salter osteotomy plusadditional cutsthrough superior and inferior pubic rami
Acetabular reorientation procedure
Improves anterolateral coverage

19
Q

Pao Ganz osteotomy

A

Involves multiple osteotomies in the pubis, ilium, and ischium near the acetabulum
Allows for improved 3D correction of the acetabulum configuration
Technically the most challenging
Posterior column and pelvic ring remain intact
Patients are allowed to weight bear early

20
Q

Dega osteotomy

A

Osteotomy from acetabular roof to triradiate cartilage (incomplete cuts through pericapsular portion of the innominate bone)
Acetabulum hinges through the triradiate cartilage
Does not enter the sciatic notch and is therefore stable and does not need internal fixation
Improves anterior, central, or posterior coverage
Reduces the acetabular volume

21
Q

Shelf osteotomy

A

Salvage.

Add bone to the lateral weight-bearing aspect of the acetabulum by placing an extra-articular buttress of bone over the subluxed femoral head
Depends on fibrocartilage
metaplasia for successful results

22
Q

Chiari osteotomy

A

Salvage

Osteotomy starts above the acetabulum to the sciatic notch and ileum is shifted lateral beyond the edge of the acetabulum
Depends on fibrocartilage
metaplasia for successful results
Medializes the acetabulum via iliac osteotomy

23
Q

Iliac oblique view
Obturator oblique view

A

Iliac: anterior wall + posterior column
Obturator: posterior wall + anterior column

Judet views

24
Q

Congenitale varus heup (pediatrisch): type osteotomieën?

A

Wigosteotomie: onvoldoende correctie van hoek fyse => risico herval
Y-osteotomie: fyse horizontaal => enkel compressie krachten

25
Q

Metal on metal: metaal ionen complicaties

A

ALTR: adverse local tissue reaction
ALVAL
Pseudotumoren

26
Q

Portals heup artroscopie

A

Anterieur
Mid-anterieur
Anterolateraal: start and viewing portal

27
Q

Shenton lijn

A

Onderrand femurnek en onderrand superieure pubistak

28
Q

Kohler line

A

Ilioischial lijn
Posterieure kolom

29
Q

Iliopectineal line

A

Anterieure kolom

30
Q

Ischial lysis

A

Posterieure kolom en wall destructie

Manama (11 decks)

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