One Case of Patellar Clunk Syndrome after Posterior Stabilized TKA

Patellofemoral pain, crepitus, and locking after total knee arthroplasty (TKA) are reported as patellar clunk syndrome (PCS). We report one case of PCS after posterior stabilized TKA. A 70-year-old man with degenerative arthritis of his left knee was treated with left TKA one month after arthroscopi...

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Published inOrthopedics & Traumatology Vol. 61; no. 4; pp. 640 - 643
Main Authors Taguchi, Manabu, Takai, Hirokazu, Nakane, Nobutake, Hayashida, Yoichi, Takahashi, Tomoki, Eto, Shuichi
Format Journal Article
LanguageJapanese
Published West-Japanese Society of Orthopedics & Traumatology 25.09.2012
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ISSN0037-1033
1349-4333
DOI10.5035/nishiseisai.61.640

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Abstract Patellofemoral pain, crepitus, and locking after total knee arthroplasty (TKA) are reported as patellar clunk syndrome (PCS). We report one case of PCS after posterior stabilized TKA. A 70-year-old man with degenerative arthritis of his left knee was treated with left TKA one month after arthroscopic synovectomy. Three months later, he noticed painful catching, grinding of the patellar when moving his knee from flexed to extended position. Arthroscopic debridement of the symptomatic patellofemoral nodule was perfomed one year after TKA, and all symptoms disappeared after operation. Many of the factors associated with an increased incidence of post operative PCS were seen in this case, such as previous surgery of the knee, increased postoperative knee flexion, failure to totally cover the patellar during resurfacing with uncovered patellar bone exposed, and peripatella synovium.
AbstractList Patellofemoral pain, crepitus, and locking after total knee arthroplasty (TKA) are reported as patellar clunk syndrome (PCS). We report one case of PCS after posterior stabilized TKA. A 70-year-old man with degenerative arthritis of his left knee was treated with left TKA one month after arthroscopic synovectomy. Three months later, he noticed painful catching, grinding of the patellar when moving his knee from flexed to extended position. Arthroscopic debridement of the symptomatic patellofemoral nodule was perfomed one year after TKA, and all symptoms disappeared after operation. Many of the factors associated with an increased incidence of post operative PCS were seen in this case, such as previous surgery of the knee, increased postoperative knee flexion, failure to totally cover the patellar during resurfacing with uncovered patellar bone exposed, and peripatella synovium.
Author Hayashida, Yoichi
Taguchi, Manabu
Nakane, Nobutake
Eto, Shuichi
Takai, Hirokazu
Takahashi, Tomoki
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  organization: Department of Orthopaedic Surgery, Kumamoto Kinou Hospital, Kumamoto, Japan
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  fullname: Takai, Hirokazu
  organization: Department of Orthopaedic Surgery, Kumamoto Kinou Hospital, Kumamoto, Japan
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  fullname: Nakane, Nobutake
  organization: Department of Orthopaedic Surgery, Kumamoto Kinou Hospital, Kumamoto, Japan
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  fullname: Hayashida, Yoichi
  organization: Department of Orthopaedic Surgery, Kumamoto Kinou Hospital, Kumamoto, Japan
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  fullname: Takahashi, Tomoki
  organization: Department of Orthopaedic Surgery, Kumamoto Kinou Hospital, Kumamoto, Japan
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  fullname: Eto, Shuichi
  organization: Department of Orthopaedic Surgery, Kumamoto Kinou Hospital, Kumamoto, Japan
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References 5) Hozack, W. J., et al.: The patellar clunk syndrome: a complication of posterior stabilized total knee arthroplasty. Clin. Orthop. Relat. Res., 241: 203-208, 1989.
7) Schroer, W. C., et al.: Association of increased knee flexion and patellar clunk syndrome after mini-subvastus total knee arthroplasty. J. Arthroplasty, 24(2): 281-287, 2009.
8) 山下博樹ら:大腿骨矯正骨切り術を併用した人工膝関節置換術後Patellar Clunk Syndromeを呈した1症例.日人工関節会誌,35: 119-120, 2005.
1) Dennis, D. A., et al.: Control-matched evaluation of painful patellar crepitus after total knee arthroplasty. Clin. Orthop. Relat. Res., 469: 10-17, 2011.
6) Khaled, A. D., et al.: Arthroscopic treatment of patellar clunk and synovial hyperplasia after total knee arthroplasty. J. Arthroplasty, 25(1): 97-103, 2010.
3) Faggie, H. E., et al.: The effect of alignment of the implant on fractures of the patella after condylar total knee arthroplasty. J. Bone Joint Surg., 71A: 1031-1039, 1989.
2) 土肥有二ら:Patellar Clunk Syndromeをきたした2症例.日人工関節会誌,34: 127-128, 2004.
4) Fukunaga, K., et al.: The incidence of the patellar clunk syndrome in a recently designed mobile-bearing posteriorly stabled total knee replacement. J. Bone Joint Surg., 91B(4): 463-468, 2009.
References_xml – reference: 6) Khaled, A. D., et al.: Arthroscopic treatment of patellar clunk and synovial hyperplasia after total knee arthroplasty. J. Arthroplasty, 25(1): 97-103, 2010.
– reference: 3) Faggie, H. E., et al.: The effect of alignment of the implant on fractures of the patella after condylar total knee arthroplasty. J. Bone Joint Surg., 71A: 1031-1039, 1989.
– reference: 7) Schroer, W. C., et al.: Association of increased knee flexion and patellar clunk syndrome after mini-subvastus total knee arthroplasty. J. Arthroplasty, 24(2): 281-287, 2009.
– reference: 1) Dennis, D. A., et al.: Control-matched evaluation of painful patellar crepitus after total knee arthroplasty. Clin. Orthop. Relat. Res., 469: 10-17, 2011.
– reference: 2) 土肥有二ら:Patellar Clunk Syndromeをきたした2症例.日人工関節会誌,34: 127-128, 2004.
– reference: 5) Hozack, W. J., et al.: The patellar clunk syndrome: a complication of posterior stabilized total knee arthroplasty. Clin. Orthop. Relat. Res., 241: 203-208, 1989.
– reference: 4) Fukunaga, K., et al.: The incidence of the patellar clunk syndrome in a recently designed mobile-bearing posteriorly stabled total knee replacement. J. Bone Joint Surg., 91B(4): 463-468, 2009.
– reference: 8) 山下博樹ら:大腿骨矯正骨切り術を併用した人工膝関節置換術後Patellar Clunk Syndromeを呈した1症例.日人工関節会誌,35: 119-120, 2005.
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Snippet Patellofemoral pain, crepitus, and locking after total knee arthroplasty (TKA) are reported as patellar clunk syndrome (PCS). We report one case of PCS after...
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SubjectTerms arthroscopic debridement
patellar clunk syndrome
posterior stabilized total knee arthroplasty
Title One Case of Patellar Clunk Syndrome after Posterior Stabilized TKA
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