Effect of patellectomy on the function of the quadriceps and hamstrings.

Watkins, Mary P.; Harris, Bette Ann; Wender, S; Zarins, Bertram; Rowe, Carlos

doi:10.2106/00004623-198365030-00015

Cited by 56 publications

(19 citation statements)

References 0 publications

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“…Total patellectomy should be performed only in exceptional circumstances, such as when reconstruction is impossible, due to poor long term outcomes [18]. Specifically, although total patellectomy may address the problem of pain following a highly comminuted fracture, it significantly reduces the mechanical advantage to the extensor mechanism and results in a reduction to quadriceps strength by up to 49%, making ascending stairs and negotiating deep seats difficult [19,20]. It may also result in ligament instability and atrophy of the quadriceps complex [20].…”

Section: Managementmentioning

confidence: 99%

Adult native knee extensor mechanism ruptures

Pengas

Assiotis

Khan

et al. 2016

Injury

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Extensor mechanism rupture is a serious event requiring prompt diagnosis and treatment. Patella fractures are reportedly six times more frequent than soft tissue injuries such as quadriceps or patella tendon ruptures. Classically quadriceps and patella tendon ruptures are seen more in males, with those over 40 predominantly suffering from quadriceps tendon ruptures, often associated with an underlying condition, whereas patella tendon ruptures are mostly associated with sport injuries and are commonly seen in the under 40s. Almost all types of extensor mechanism ruptures benefit from early management which typically involves surgery. Diagnosis can be deemed easy to make by demonstrating inability to actively extend the knee, this however can be easily overlooked and missed in a busy emergency department leading to a late diagnosis and necessitating more complex surgery. Earlier surgical intervention and rehabilitation tend to produce improved outcomes.

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Section: Managementmentioning

confidence: 99%

Adult native knee extensor mechanism ruptures

Pengas

Assiotis

Khan

et al. 2016

Injury

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“…Petschnig et al demonstrated the risk of lateralization of the patella after fibula transposition [21], and centralization of the patella might represent an important part of the extension [22]. Therefore, we also evaluated the patella-femoral congruence by axial radiographs [23] and any lateral patellar tilt or patellar displacement was not revealed in our series (Figures 2, 3).…”

Section: Discussionmentioning

confidence: 87%

Extensor reconstruction of the knee using the fibular transposition technique after proximal tibial resection

et al. 2017

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“…The reduction of muscle strength in total patellectomy reaches 50% (Watkins, Harris, Wender, Zarins & Rowe, 1983), whereas only 15% in partial patellectomy (Saltzman, Goulet, McClellan, Schneider & Matthews, 1990).…”

Section: Discussionmentioning

confidence: 96%