Recurrent lateral patella dislocation affects knee function as much as ACL deficiency – however patients wait five times longer for ... View Full Text


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Article Info

DATE

2019-07-08

AUTHORS

Truls Martin Straume-Næsheim, Per-Henrik Randsborg, Jan Rune Mikaelsen, Einar Andreas Sivertsen, Brian Devitt, Lars-Petter Granan, Asbjørn Årøen

ABSTRACT

BackgroundSurgical treatment of young patients with recurrent lateral patella dislocation (RLDP) is often recommended because of loss of knee function that compromises their level of activity or even their daily life functioning. This situation is comparable to young patients with an anterior cruciate ligament (ACL) rupture. The purpose of this study was therefore to explore the time from injury to surgery and the pre-operative symptoms and knee function of young RLPD patients scheduled for stabilizing surgery and compare this group to age and sex-matched ACL-deficient patients.MethodForty-seven patients with unilateral RLPD listed for isolated medial patellofemoral ligament reconstruction were included in the study (RLPD-group). This group was compared to an age, sex and BMI matched ACL patient group obtained from the Norwegian knee ligament registry (ACL-group) for the following outcome measures: the knee injury and osteoarthritis outcome score (KOOS) assessed on the day of surgery and time from injury to surgery.ResultsThe RLPD-group scored significantly lower than the ACL-group for the three KOOS subscales “Pain” (73.6 vs. 79.8, p < 0.05), “Symptoms” (71.7 vs. 79.3, p < 0.05) and “ADL” (84.7 vs 89.5, p < 0.05). The lowest KOOS values were found for Sports/Recreation (53.5 vs. 51.3, p = 0.65) and Quality of life (37.6 vs. 36.7, p = 0.81). The average time from primary injury to surgery was 6 months for the ACL group and 31 months for the RLPD group.ConclusionRLPD affected knee function as much as ACL deficiency, and was associated with more pain. Still the RLDP patients waited on average 5 times longer for surgery.Trial registrationThe patients with RLPD consisted of patients who were examined for possible recruitment for a concurrent prospective randomized controlled trial comparing conservative treatment and isolated surgical medial patellofemoral ligament (MPFL) reconstruction (Clinical trials no: NCT02263807, October 2014). More... »

PAGES

318

References to SciGraph publications

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  • Identifiers

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    http://scigraph.springernature.com/pub.10.1186/s12891-019-2689-7

    DOI

    http://dx.doi.org/10.1186/s12891-019-2689-7

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1117842897

    PUBMED

    https://www.ncbi.nlm.nih.gov/pubmed/31286929


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    35 schema:description BackgroundSurgical treatment of young patients with recurrent lateral patella dislocation (RLDP) is often recommended because of loss of knee function that compromises their level of activity or even their daily life functioning. This situation is comparable to young patients with an anterior cruciate ligament (ACL) rupture. The purpose of this study was therefore to explore the time from injury to surgery and the pre-operative symptoms and knee function of young RLPD patients scheduled for stabilizing surgery and compare this group to age and sex-matched ACL-deficient patients.MethodForty-seven patients with unilateral RLPD listed for isolated medial patellofemoral ligament reconstruction were included in the study (RLPD-group). This group was compared to an age, sex and BMI matched ACL patient group obtained from the Norwegian knee ligament registry (ACL-group) for the following outcome measures: the knee injury and osteoarthritis outcome score (KOOS) assessed on the day of surgery and time from injury to surgery.ResultsThe RLPD-group scored significantly lower than the ACL-group for the three KOOS subscales “Pain” (73.6 vs. 79.8, p < 0.05), “Symptoms” (71.7 vs. 79.3, p < 0.05) and “ADL” (84.7 vs 89.5, p < 0.05). The lowest KOOS values were found for Sports/Recreation (53.5 vs. 51.3, p = 0.65) and Quality of life (37.6 vs. 36.7, p = 0.81). The average time from primary injury to surgery was 6 months for the ACL group and 31 months for the RLPD group.ConclusionRLPD affected knee function as much as ACL deficiency, and was associated with more pain. Still the RLDP patients waited on average 5 times longer for surgery.Trial registrationThe patients with RLPD consisted of patients who were examined for possible recruitment for a concurrent prospective randomized controlled trial comparing conservative treatment and isolated surgical medial patellofemoral ligament (MPFL) reconstruction (Clinical trials no: NCT02263807, October 2014).
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    43 ACL group
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    45 ADL
    46 BMI
    47 BackgroundSurgical treatment
    48 KOOS subscales
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    50 Norwegian Knee Ligament Registry
    51 Osteoarthritis Outcome Score
    52 activity
    53 age
    54 anterior cruciate ligament rupture
    55 average time
    56 conservative treatment
    57 cruciate ligament rupture
    58 daily life
    59 day of surgery
    60 days
    61 deficiency
    62 dislocations
    63 function
    64 group
    65 injury
    66 knee function
    67 knee injuries
    68 lateral patella dislocation
    69 level of activity
    70 levels
    71 life
    72 ligament reconstruction
    73 ligament rupture
    74 loss
    75 measures
    76 medial patellofemoral ligament reconstruction
    77 months
    78 more pain
    79 outcome measures
    80 outcome scores
    81 pain
    82 patella dislocation
    83 patellofemoral ligament reconstruction
    84 patient group
    85 patients
    86 possible recruitment
    87 pre-operative symptoms
    88 primary injury
    89 purpose
    90 quality
    91 quality of life
    92 reconstruction
    93 recreation
    94 recruitment
    95 recurrent lateral patella dislocation
    96 registry
    97 rupture
    98 scores
    99 sex
    100 situation
    101 sports/recreation
    102 study
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    104 surgery
    105 symptoms
    106 time
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