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Artroplastia total do joelho dolorosa

Authors: Constantino, Hugo; Barros, André; Pedrosa, Carlos; Pinto, Francisco Guerra; Pereira, Ventura; Diogo, Nuno;

Artroplastia total do joelho dolorosa

Abstract

A Artroplastia Total do Joelho (ATJ) tem vindo a assumir-se como a opção cirúrgica mais frequente no tratamento de doentes com alterações degenerativas da articulação do joelho devido aos ótimos resultados funcionais e melhoria da dor. No entanto, a percentagem de doentes com sintomas dolorosos após a realização deste procedimento atinge em algumas estatísticas publicadas valores significativos que oscilam entre os 10 e os 20%. Em alguns casos a dor não é facilmente explicável, representando um desafio para o cirurgião. Os autores relatam o caso de uma doente de 71 anos submetida a ATJ primária, no contexto de patologia degenerativa idiopática associado a desvio axial em varum. A dor localizava-se na face anteroexterna do joelho ao nível da interlinha articular e tiveram início no pós-operatório de forma gradual, associadas ao aumento da mobilidade. Devido à presença de um sintoma associado a atividade mecânica, foram colocadas várias hipóteses, entre as quais a possibilidade de conflito com resquício intra-articulares do compartimento externo do joelho. A doente foi submetida a artroscopia da articulação do joelho que revelou a existência de um fragmento meniscal que provocava conflito entre o côndilo externo do componente artroplástico femoral e o polietileno no movimento de extensão máxima do joelho. Procedeuse a remoção artroscópica do fragmento com melhoria sintomática completa. Os autores pretendem com este caso evidenciar a importância da investigação diagnóstica para o tratamento da dor inexplicável na ATJ, e o valor terapêutico da artroscopia nos casos de provável conflito. Total Knee Arthroplasty (TKA) has been assumed as the most common surgical option in the treatment of patients with degenerative changes in the knee joint as a result of excellent outcomes in functional improvement and pain. However, the proportion of patients with pain after this procedure achieves very significant values in some reports, ranging between 10 and 20%. In some cases the pain is not easily explained and represents a challenge for the surgeon. The authors report a case of a 71 year old patient who underwent primary TKA in the context of idiopathic degenerative pathology associated with varum axial deviation. The pain complaints were located in anteriorexternal knee surface at the level of the joint line and started postoperatively associated with the gradually increased mobility. Due to the presence of a mechanical activity associated symptom, several assumptions were placed including the possibility of a conflict with intra-articular fragments of the outer compartment of the knee. The patient underwent arthroscopy of the knee joint, which revealed the existence of a meniscal fragment that caused the conflict between the external condyle of the arthroplastic femoral component and the polyethylene at the maximum extension of the knee. We proceeded to arthroscopic removal of the fragment with complete relieve of the symptoms. The authors intend to demonstrate with this case the importance of the diagnostic investigation for the treatment of unexplained pain in TKA and the therapeutic value of arthroscopy in cases of probable conflict.

Keywords

menisco, artroscopia, meniscus, Total knee arthroplasty, Artroplastia total joelho, arthroscopy

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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