Factors affecting anterior knee pain following anatomic double-bundle anterior cruciate ligament reconstruction

Niki, Yasuo; Hakozaki, Akihiro; Iwamoto, Wataru; Kanagawa, Hiroya; Matsumoto, Hideo; Toyama, Yoshiaki; Suda, Yasunori

doi:10.1007/s00167-011-1746-z

Cited by 36 publications

(48 citation statements)

References 27 publications

(54 reference statements)

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“…'tendinitis' and donor-site morbidity from BPTB harvesting), infrapatellar nerve injury, range-of-motion deficit (e.g. Cyclop's lesion), aggressive rehabilitation protocols and pre-existing patellofemoral cartilage injuries [3,5,8,37]. These sources of AKP are often a matter of controversy in literature.…”

Section: Discussionmentioning

confidence: 99%

“…Other authors have failed to correlate AKP with previous epidemiologic studies and have recorded the same prevalence of AKP among patients of different age and sex [7]. This can be attributed to reasons other than patients' age or donor-site morbidity in the persistence of AKP [5,8].…”

Section: Introductionmentioning

confidence: 87%

“…One of the common complications following ACL reconstruction is anterior knee pain (AKP) [1,2]. AKP can interfere negatively with the post-operative rehabilitation program and may reduce patient satisfaction and be a cause for re-operation [5]. Identifying the underlying factors under this frequent complication, and finding the means to prevent or correct them can increase patient satisfaction, improve functional scores and reduce the need for re-admission [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

“…AKP can interfere negatively with the post-operative rehabilitation program and may reduce patient satisfaction and be a cause for re-operation [5]. Identifying the underlying factors under this frequent complication, and finding the means to prevent or correct them can increase patient satisfaction, improve functional scores and reduce the need for re-admission [4][5][6]. The causes of AKP after ACL reconstruction are multifactorial, but key factors such as range-of-motion deficit due to tunnel malpositioning or Cyclops lesions, increased body mass index, older patient's age, infrapatellar nerve injury and autograft type have been identified [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

“…Identifying the underlying factors under this frequent complication, and finding the means to prevent or correct them can increase patient satisfaction, improve functional scores and reduce the need for re-admission [4][5][6]. The causes of AKP after ACL reconstruction are multifactorial, but key factors such as range-of-motion deficit due to tunnel malpositioning or Cyclops lesions, increased body mass index, older patient's age, infrapatellar nerve injury and autograft type have been identified [4][5][6]. Other authors have failed to correlate AKP with previous epidemiologic studies and have recorded the same prevalence of AKP among patients of different age and sex [7].…”

Section: Introductionmentioning

confidence: 99%

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The incidence of trochlear dysplasia in anterior cruciate ligament tears

Ntagiopoulos¹,

Bonin²,

Sonnery‐Cottet

et al. 2014

International Orthopaedics (SICOT)

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Purpose The purpose of the present epidemiologic study is to record the radiographic presence of trochlear dysplasia and patella alta in patients who undergo anterior cruciate ligament (ACL) reconstruction as a potential underlying factor for postoperative anterior knee pain (AKP). Methods All consecutive cases of skeletally-mature ACLdeficient knees that would undergo ACL reconstruction in three different hospitals were prospectively included during a six-month period. Inclusion criteria were acute and subacute ACL injury with no previous ipsilateral knee operation. Patients with chronic ACL tears, prior-to-ACL-injury history of patellar instability or other PF disorders were excluded from the study. Results A total of 299 knees were included (mean age 32± ten years). Forty-four (14.7 %) knees had a positive 'crossing sign' in the lateral X-rays and 255 (85.3 %) had no sign of trochlear dysplasia (p<0.01). Among the cases with trochlear dysplasia, 41 (93 %) had type A trochlear dysplasia with the presence only of the 'crossing sign' and three (7 %) had type C trochlear dysplasia. Patellar height results included a mean Caton-Deschamps index of 1.0± 0.14 (0.5-1.4). Twenty (6.6 %) knees had an index of less than 0.8, and two (0.6 %) knees had an index less than 0.6. In contrast, 15 (5.0 %) knees had an abnormal value of more than 1.2, indicating patella alta. ConclusionsThe most important finding of the study is the increased prevalence of trochlear dysplasia and patella alta in patients with ACL injury, when compared to the incidence of trochlear dysplasia and patella alta in the general population in the literature. This finding could sound as an alert of a possible additional risk factor for post-operative anterior knee pain after ACL reconstruction.

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Section: Discussionmentioning

confidence: 99%