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    • Aaron John Krych

      Aaron John Krych

      Mayo Clinic, Rochester, MN | Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota | Department of Orthopedic Surgery and Sports Medicine, Mayo Clinic, ...



      KOL Resume for Aaron John Krych


      Mayo Clinic, Rochester, MN


      Department of Orthopedic Surgery and Sports Medicine, Mayo Clinic, Rochester, Minnesota, U.S.A.

      Mayo Clinic, Rochester, Minnesota, USA


      Department of Orthopaedic Surgery, Mayo Clinic, Rochester, MN, USA.

      Sports Medicine Center, Mayo Clinic, Rochester, Minnesota, USA


      Department of Orthopedic Surgery and the Sports Medicine Center, Mayo Clinic and Mayo Foundation, Rochester, MN, USA

      Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota.


      Department of Orthopedics, 200 First St SW, Rochester, MN, USA

      Rochester, Minnesota.


      Department of Orthopedic Surgery and the Sports Medicine Center, Mayo Clinic and Mayo Foundation, Mayo Clinic 200 First St., SW, 55905, Rochester, MN, USA

      Mayo Clinic, Rochester, Minnesota.


      Department of Orthopedic Surgery and the Sports Medicine Center, Mayo Clinic, Rochester, Minnesota, U.S.A.



      Aaron John Krych: Influence Statistics

      Sample of concepts for which Aaron John Krych is among the top experts in the world.
      Concept World rank
      transplanted meniscal #1
      statements functional anatomy #1
      acl injury 12 #1
      arthroplasty progression #1
      clinical outcomes plc #1
      patients meniscal ossicle #1
      trochlear dysplasia 95 #1
      subsequent development mmprts #1
      range ikdc score #1
      ocd lesion failure #1
      graft failure sport #1
      oca tissues #1
      ensemble model bmi #1
      adl tegner scores #1
      treatment repair #1
      surgical management time #1
      throwers nohas #1
      anatomy perineal branch #1
      pto 57 patients #1
      hypertension lateral release #1
      meniscus cartilage injuries #1
      dysplasia lcea range #1
      incidence patellar dislocation #1
      tttg tw #1
      restorative procedures hip #1
      excellent 6 #1
      data exists #1
      risk factors patella #1
      single surgery ± #1
      knee skeletally #1
      emphasis clinical interpretability #1
      age knee dislocation #1
      ultimate failure repair #1
      meniscal repairs evidence #1
      treatment acl tear #1
      aclr meniscal injury #1
      alpha angle pincertype #1
      cartiform treatment #1
      longterm outcomes oca #1
      recurrent instability ors #1
      medial meniscus omie #1
      136 reconstructions 2 #1
      outcomes lysholm #1
      55 ± pmm #1
      isolated labral debridement #1
      hardware removal conversion #1
      groove distance #1
      5 years tka #1
      subchondral acetabular #1
      57 patients uka #1


      Prominent publications by Aaron John Krych

      KOL-Index: 23192

      BACKGROUND: Bone-patellar tendon-bone (bone-tendon-bone) and four-strand hamstring tendon grafts (hamstring) are the most commonly utilized autografts for primary anterior cruciate ligament (ACL) reconstruction. Existing clinical trials, registry studies, and meta-analyses offer conflicting opinions regarding the most favorable graft choice.

      QUESTIONS/PURPOSES: Which graft type for ACL reconstruction (bone-tendon-bone or hamstring) has a higher risk of (1) graft rupture and/or (2) graft ...

      Known for Acl Reconstruction | Hamstring Autograft | Graft Failure | Patellar Tendon | Ligament Anterior
      KOL-Index: 16242

      BACKGROUND: Anterior cruciate ligament (ACL) tears and concomitant medial collateral ligament (MCL) injuries are known to occur during dynamic athletic tasks that place combinatorial frontal and transverse plane loads on the knee. A mechanical impact simulator that produces clinical presentation of ACL injury allows for the quantification of individual loading contributors leading to ACL failure.

      PURPOSE/HYPOTHESIS: The objective was to delineate the relationship between knee abduction ...

      Known for Ligament Strain | Simulated Landings | Anterior Cruciate | Medial Collateral | Knee Abduction Moment
      KOL-Index: 15864

      The purpose of this study was to determine if quadriceps strength and functional outcomes were similar at 6 months following anterior cruciate ligament [ACL] reconstruction in patients receiving a continuous 48-hour femoral nerve blockade for postoperative analgesia (FNB group) versus patients with no FNB (control group). A retrospective cohort was designed including athletes who underwent primary ACL reconstruction with patellar tendon autograft between 2005 and 2010 at our institution ...

      Known for Acl Reconstruction | Quadriceps Strength | Femoral Nerve | 6 Months | Fnb Patients
      KOL-Index: 15559

      BACKGROUND: There is a paucity of clinical information to guide the treatment of a combined anterior cruciate ligament (ACL) tear and Segond fracture.

      PURPOSE: To compare clinical outcomes, graft failure rates, and activity levels between patients undergoing ACL reconstruction (ACLR) with and without an untreated Segond fracture at a minimum 2-year follow-up.

      STUDY DESIGN: Cohort study; Level of evidence, 3.

      METHODS: This study included a group of patients with a combined ACL ...

      Known for Segond Fracture | Anterior Cruciate | Ligament Reconstruction | Acl Tear | 2 Groups
      KOL-Index: 15533

      BACKGROUND: There is limited information regarding direct comparisons of the outcome of osteochondral autograft transfer (OAT) mosaicplasty and microfracture for the treatment of isolated articular cartilage defects of the knee. The purpose of this retrospective comparative study was to compare the general health outcomes, knee function, and Marx Activity Rating Scale scores for patients treated with OAT or microfracture for symptomatic chondral defects of the femoral condyles or ...

      Known for Articular Cartilage | Oat Microfracture | Osteochondral Autograft Transfer | Activity Levels | Femoral Condyles
      KOL-Index: 15350

      BACKGROUND: Peroneal nerve palsy is a frequent and potentially disabling complication of multiligament knee dislocation, but little information exists on the degree to which patients recover motor or sensory function after this injury, and whether having this nerve injury--with or without complete recovery--is a predictor of inferior patient-reported outcome scores.

      QUESTIONS/PURPOSES: The purposes of this study were to (1) report on motor and sensory recovery as well as patient-reported ...

      Known for Nerve Injury | Knee Dislocation | Patients Peroneal | Ikdc Lysholm Scores | Tendon Transfer
      KOL-Index: 15041

      PURPOSE: The purpose of this prospective randomized study was to compare the outcomes of arthroscopic labral repair and selective labral debridement in female patients undergoing arthroscopy for the treatment of pincer-type or combined pincer- and cam-type femoroacetabular impingement.

      METHODS: Between June 2007 and June 2009, 36 female patients undergoing arthroscopic hip treatment for pincer- or combined-type femoroacetabular impingement were randomized to 2 treatment groups at the ...

      Known for Labral Debridement | Femoroacetabular Impingement | Patients Repair | Hip Function | Arthroscopic Treatment
      KOL-Index: 14992

      BACKGROUND: Female soccer players have a well-known risk for anterior cruciate ligament (ACL) injury, but few studies have reported on second ACL injuries in this population.

      PURPOSE: To (1) report the rates of subsequent ACL injury (ipsilateral graft rupture or contralateral tear) in competitive female soccer players, (2) compare these rates with those of other female athletes of similar competitive level, (3) determine risk factors for second ACL injury, and (4) report clinical outcome ...

      Known for Soccer Players | Anterior Cruciate | Ligament Injury | Acl Injuries | Female Athletes
      KOL-Index: 14968

      BACKGROUND: Medial meniscus root tears are a common knee injury and can lead to accelerated osteoarthritis, which might ultimately result in a total knee replacement.

      PURPOSE: To compare meniscus repair, meniscectomy, and nonoperative treatment approaches among middle-aged patients in terms of osteoarthritis development, total knee replacement rates (clinical effectiveness), and cost-effectiveness.

      STUDY DESIGN: Meta-analysis and cost-effectiveness analysis.

      METHODS: A systematic ...

      Known for Knee Osteoarthritis | Meniscus Repair | Root Tears | Nonoperative Treatment | Meniscectomy Menisci
      KOL-Index: 14942

      BACKGROUND: Reconstruction of anterior cruciate ligament (ACL) tears may potentially prevent the development of secondary meniscal injuries and arthritis.

      PURPOSE/HYPOTHESIS: The purpose of this study was to (1) evaluate the protective benefit of ACL reconstruction (ACLR) in preventing subsequent meniscal tears or arthritis, (2) determine if earlier ACLR (<1 year after injury) offers greater protective benefits than delayed reconstruction (≥1 year after injury), and (3) evaluate factors ...

      Known for Meniscal Tears | Cruciate Ligament | Aclr Patients | Injuries Anterior | Acl Reconstruction
      KOL-Index: 14573

      BACKGROUND: There are sparse data available regarding outcome of meniscal repair performed at the time of ACL reconstruction in the pediatric and adolescent population.

      PURPOSE: To review the results of meniscal repair performed at the time of ACL reconstruction in pediatric and adolescent patients.

      STUDY DESIGN: Case series; Level of evidence, 4.

      METHODS: The records of all patients age 18 years or younger who underwent meniscal repair at the time of ACL reconstruction between 1990 and ...

      Known for Meniscal Tears | Patients 18 Years | Anterior Cruciate | Acl Reconstruction | Surgical Repair
      KOL-Index: 14513

      PurposeThe purpose of this study is to assess the reliability of measuring the tibial tubercle to posterior cruciate (TT-PCL) distance compared to the tibial tubercle to trochlear groove (TT-TG) distance on magnetic resonance imaging (MRI), establish baseline TT-PCL values in patellar instability patients, and determine the predictive value of an excessive TT-PCL distance (≥24 mm) for recurrent patellar instability compared to a TT-TG distance ≥20 mm.MethodsTT-TG and TT-PCL distances ...

      Known for Patellar Instability | Tibial Tubercle | Trochlear Groove | Tttg Distance | Cruciate Ligament
      KOL-Index: 14358

      BACKGROUND: The lateral tibial posterior slope (LTPS) has been reported in multiple studies to correlate with an increased risk for native anterior cruciate ligament (ACL) tearing. To date, no study has examined the effect of an increased LTPS as measured on magnetic resonance imaging (MRI) on the likelihood of ACL graft failure.

      HYPOTHESIS: An increased LTPS as measured on MRI would correlate with an increased risk for ACL graft failure.

      STUDY DESIGN: Case-control study; Level of ...

      Known for Graft Failure | Ligament Reconstruction | Anterior Cruciate | Increased Ltps | Lateral Tibial
      KOL-Index: 14128

      BACKGROUND: Anterior cruciate ligament (ACL) injuries are catastrophic events that affect athletic careers and lead to long-term degenerative knee changes. As injuries are believed to occur within the first 50 milliseconds after initial contact during a rapid deceleration task, impact simulators that rapidly deliver impulse loads to cadaveric specimens have been developed. However, no impactor has reproducibly and reliably created ACL injures in a distribution that mimics clinical ...

      Known for Mechanical Impact Simulator | Anterior Cruciate | Acl Injuries | Clinical Presentation | Ligament Knee
      KOL-Index: 14118

      BACKGROUND: Tibial tubercle-trochlear groove distance (TT-TG) is a commonly used measurement for surgical decision making in patients with patellofemoral malalignment and instability. This measurement has historically been performed utilizing axial computed tomography (CT). More recently, magnetic resonance imaging (MRI) has been proposed as an equivalent method, but this has not yet been fully validated.

      PURPOSE: To determine the reliability of TT-TG distance measurements on both MRI ...

      Known for Mri Measurements | Tibial Tubercle | Patellar Instability | Tttg Distance | Trochlear Groove

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      Aaron John Krych:Expert Impact

      Concepts for whichAaron John Krychhas direct influence:Hip arthroscopy,  Acl reconstruction,  Cruciate ligament,  Nonoperative management,  Anterior cruciate,  Anterior shoulder instability,  Meniscal repair,  Acl injury.

      Aaron John Krych:KOL impact

      Concepts related to the work of other authors for whichfor which Aaron John Krych has influence:Cruciate ligament,  Hip arthroscopy,  Acl reconstruction,  Patellar instability,  Meniscal repair,  Knee joint,  Articular cartilage.



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      Mayo Clinic, Rochester, MN | Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota | Department of Orthopedic Surgery and Sports Medicine, Mayo Clinic, Rochester, MN | Department of Orthopedic Surgery, Mayo Clinic, 200 First Street SW,

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