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Manama > Knie > Flashcards

Knie Flashcards

1
Q

Knie adductie moment

A

Adduction of the knee may be responsible for the uneven load distribution between the medial and lateral sides and eventually lead to the biomechanical abnormality of the medial femoral condyle in osteoarthritis

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2
Q

Signs of trochlea dysplasia on lateral Xray

A

Double contour sign
Cross over sign
Supra-trochlear spur sign

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3
Q

Dimple sign

A

Invaginatie van mediale structuren in mediaal compartiment na knie luxatie

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4
Q

reverse pivot shift test

A

knee positioned at 90° and external rotation and valgus force applied to tibia
as the knee is extended the tibia reduces with a palpable clunk

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5
Q

Reconstructie PLC

A

La Prade techniek: Herstelt LCL en popliteofibulair ligament

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6
Q

Ridge thv femur voor aanhechting kruisbanden
Righe tussen beide bundels van AKV

A

Interconylar ridge (resident ridge)
Bifurcate ridge

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7
Q

Meniscofemorale ligamenten

A

Wrisburg en Humphrey

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8
Q

Accessoire portal bij PCL repair

A

Posteromediale portal: Groot genoeg. Trocar gebruiken.

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9
Q

Reconstructie technieken MCL

A

Lind techniek: Semi-T pees, distaal gefixeerd laten. Omgekeerde V-configuratie. PA tibia tunnel.
Single bundle anatomische reconstructie.
Double bundle anatomische reconstructie: POL + MCL

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10
Q

Hamstring lengte greffe

A

28mm => 7x4
Dikte minimum 8mm

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11
Q

Bundels voorste kruisband

A

Anteromediaal en posterolateraal

Posterieure kruisband: PAL

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12
Q

Medicatie tegen orthostatische hypotensie

A

Midodrine

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13
Q

Test posteromediaal kapsel

A

Slocum test

Voorste schuiflade test + tibia externe rotatie

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14
Q

Posterolaterale hoek klinische testen

A

Anterior drawer test + interene rotatie tibia
Reversed pivot shift: knie in 90 graden flexie. externe rotatie tibia + valgus + extensie.
Dial test: buikig, knie 30 graden flexie, externe rotatie vergelijken.
Hyperextension recurvztum => tibia exorotatie

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15
Q

Apley grind test

A

Compressie of distractie knie gewricht met rotatie bewegingen
Meniscus letsel?

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16
Q

Bloed voorziening menisci

A
  • middle genicular artery
    supply to posterior horns
  • medial inferior genicular artery
    supplies peripheral 20-30% of medial meniscus
  • lateral inferior genicular artery
    supplies peripheral 10-25% of lateral meniscus
    central 75% receive nutrition through diffusion
17
Q

Patella alta metingen

A

Insall salvati: 0.8 1.0 1.2
Caton Descamps 0.6 1.0 1.3
Patellatrochlear index

18
Q

MACI
AMIC

A

Matrix autologous chondrocyt implantation: In vitro cultuur chondrocyten + membraan
Autologe matric geïnduceerde chondrogenese: Chondral icepicking + collageen membraan.

19
Q

Transtibiale tunnel vs anteromediale portal techniek

A

Zelfde risico op ruptuur.
Anteromediaal: beter klinisch, meer stijfheid.
Transtibiaal: grotere hoek tussen tibia en femur tunnel.

20
Q

Alternatieve technieken bij kraakbeenletsels

A

Verse allograft plugs (MegaOats)
Episurf: titanium plug
Artrosurface: titanium plug

21
Q

Kaplan fibers

A

Helpen bij rotatie stabiliteit knie (met ALL). Lopen diep van ITB band.

22
Q

Bloed voorziening ACL en PCL

A

middle geniculate artery

23
Q

TT GT

A

Normaal <20mm
Niet corrigeren tot minder dan 10mm

24
Q

Wanneer AKB behandelen

A

Graad 1: Conservatief
Graad 2: Bij falen conservatief => operatief
Graad 3: Operatief
Bij groot avulsie letsel: operatief

25
Q

Hoek waarin je mediale unicondylaire knieprothese plaatst

A

Cartier angle => in varus plaatsen. Niet in valgus!

26
Q

Techniek om hoeken te bereken bij HTO

A

Noyes-Duyen: heup-knie-enkel as
Miniaci: weight bearing lines
Fujisawa punt: 62%

Joint line conversion angle >3 graden => aftrekken

26
Q

Slope laten toenemen of afnemen bij
VKB laksiteit
AKB laksiteit

A

VKB laksiteit: slope afnemen
AKB laksiteit: slope toenemen

27
Q

Allignement knie

A

Mechanical: Ranawat Insall
Anatomical: Krackow Hungerford
Kinematical: Howell

Manama (11 decks)

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