2022
DOI: 10.1371/journal.pone.0265331
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Patella-patellar tendon angle in relation to the medial patellar plica syndrome, chondromalacia patella, and infrapatellar fat pad syndrome

Abstract: The patella-patellar tendon angle (PPTA) assessing the sagittal patellar tilt was reported to be related with anterior knee pain. Herein, clinical effect of PPTA in patients with medial patellar plica (MPP) syndrome, chondromalacia patella, and infrapatellar fat pad (IPFP) syndrome, the most common causes of anterior knee pain, was evaluated. In this retrospective study, 156 patients with anterior knee pain who underwent magnetic resonance imaging (MRI) and arthroscopic surgery that confirmed isolated MPP synd… Show more

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Cited by 3 publications
(5 citation statements)
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“…Published work considers PPTA in the context of other patellofemoral conditions such as medial patellar plica syndrome, chondromalacia patellae and infrapatellar fat pad syndrome. The angle was found to be lower in patients with anterior knee pain caused by one of these above stated diagnoses than in the control groups [21]. A biomechanical reason for the lower PPTA could be that the infrapatellar fat pad undergoes a fibrosis during nonphysiological loading [21].…”
Section: Discussionmentioning
confidence: 98%
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“…Published work considers PPTA in the context of other patellofemoral conditions such as medial patellar plica syndrome, chondromalacia patellae and infrapatellar fat pad syndrome. The angle was found to be lower in patients with anterior knee pain caused by one of these above stated diagnoses than in the control groups [21]. A biomechanical reason for the lower PPTA could be that the infrapatellar fat pad undergoes a fibrosis during nonphysiological loading [21].…”
Section: Discussionmentioning
confidence: 98%
“…The angle was found to be lower in patients with anterior knee pain caused by one of these above stated diagnoses than in the control groups [21]. A biomechanical reason for the lower PPTA could be that the infrapatellar fat pad undergoes a fibrosis during nonphysiological loading [21].…”
Section: Discussionmentioning
confidence: 98%
“…A Condromalácia Patelar (CMP) é definida como uma afecção que promove deterioração, amolecimento e fissuras anormais da cartilagem hialina que reveste as superfícies articulares da patela [1][2][3][4] . Tem maior incidência no gênero biológico feminino, e, embora sua etiologia seja multifatorial, pode resultar de diversos fatores, tais como: trauma direto, fratura, instabilidade, desequilíbrio muscular, subluxação patelar, mau alinhamento pós-traumático, músculo vasto medial ineficiente, lesão do ligamento cruzado posterior, uso excessivo da articulação, patela alta, rotação externa da tíbia, pé cavo, pé valgo, displasia de tróclea e displasia de patela, encurtamento do aparelho extensor do joelho, síndrome da pressão lateral excessiva, aumento dos ângulos do quadríceps (ângulo Q), falta de flexibilidade dos Ísquios Tibiais, Gastrocnêmio, Sóleo e Trato Ílio Tibial [1][2][3][4][5][6] .…”
Section: Introductionunclassified
“…Geralmente, os sintomas envolvem dor retropatelar, crepitação, bloqueio agravados ao subir e descer escadas, ou por atividades esportivas que envolvem apoio com carga na flexão do joelho, por aumentar a compressão entre a patela e o fêmur. A incidência de CMP geralmente é alta, atingindo cerca de 79,2% dos pacientes submetidos à ressonância magnética, com uma maior ocorrência observada no sexo feminino e em pessoas com mais de 40 anos de idade [1][2][3][4] .…”
Section: Introductionunclassified
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