Aaron J. Krych

ORCID: 0000-0003-3248-8007
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About
Contact & Profiles
Research Areas
  • Knee injuries and reconstruction techniques
  • Total Knee Arthroplasty Outcomes
  • Shoulder Injury and Treatment
  • Sports injuries and prevention
  • Hip disorders and treatments
  • Orthopaedic implants and arthroplasty
  • Lower Extremity Biomechanics and Pathologies
  • Osteoarthritis Treatment and Mechanisms
  • Orthopedic Surgery and Rehabilitation
  • Shoulder and Clavicle Injuries
  • Tendon Structure and Treatment
  • Musculoskeletal synovial abnormalities and treatments
  • Bone and Joint Diseases
  • Orthopedic Infections and Treatments
  • Cardiac Valve Diseases and Treatments
  • Foot and Ankle Surgery
  • Bone fractures and treatments
  • Nerve Injury and Rehabilitation
  • Adhesion, Friction, and Surface Interactions
  • Periodontal Regeneration and Treatments
  • Hip and Femur Fractures
  • Elbow and Forearm Trauma Treatment
  • Mesenchymal stem cell research
  • Vascular Procedures and Complications
  • Pelvic and Acetabular Injuries

Mayo Clinic
2016-2025

WinnMed
2016-2025

Mayo Clinic in Arizona
2015-2024

Hospital for Special Surgery
2011-2024

Mayo Clinic in Florida
2004-2024

University of Iowa
2024

University of Wisconsin–Madison
2024

Mayo Clinic Hospital
2021-2024

Rush University Medical Center
2020-2024

Henry Ford Hospital
2022-2023

The incidence of isolated anterior cruciate ligament (ACL) tears in the general population is not well defined.The purpose this study was to define population-based ACL tears, describe trends injuries over time, and evaluate changes rate surgical management. hypothesis that injury subsequent reconstruction increase time.Cohort study; Level evidence, 3.The included 1841 individuals who were diagnosed with new-onset, (without concomitant required surgery) between January 1, 1990, December 31,...

10.1177/0363546516629944 article EN The American Journal of Sports Medicine 2016-02-26

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 examined the effect of LTPS as measured on magnetic resonance imaging (MRI) likelihood ACL graft failure. Hypothesis: An MRI would Study Design: Case-control study; Level evidence, 3. Methods: Fifty-eight patients were initially identified who experienced failure after primary reconstruction and...

10.1177/0363546515597664 article EN The American Journal of Sports Medicine 2015-08-28

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 has historically been performed utilizing axial computed tomography (CT). More recently, magnetic resonance imaging (MRI) proposed as an equivalent method, but this not yet fully validated. Purpose: To determine the reliability of TT-TG measurements on both MRI CT to whether are interchangeable one...

10.1177/0363546513484895 article EN The American Journal of Sports Medicine 2013-07-15

Background: First-time lateral patellar dislocation is a common orthopaedic injury. The purposes of this study were to (1) evaluate the incidence first-time in geographically-determined population, (2) report trends over time dislocation, and (3) describe rate surgical treatment. Hypothesis: highest among adolescent patients. Study Design: Cohort study. Level Evidence: 3. Methods: population included 609 individuals identified through multidisciplinary geographic cohort county database who...

10.1177/1941738117725055 article EN Sports Health A Multidisciplinary Approach 2017-08-10

Background: Previous studies have reported variable rates of recurrent lateral patellar instability mainly because limited cohort sizes. In addition, there is currently a lack information on contralateral instability. Purpose: To evaluate the rate ipsilateral dislocations and after first-time dislocation. Additionally, risk factors associated with (ipsilateral or contralateral) time to recurrence were investigated. Study Design: Cohort study; Level evidence, 3. Methods: This population-based...

10.1177/0363546517704178 article EN The American Journal of Sports Medicine 2017-05-02

Background: There are limited data comparing the outcomes of similarly matched patients with a medial meniscus posterior root tear (MMPRT) treated nonoperative management, partial meniscectomy, or repair. Purpose/Hypothesis: The purpose was to compare treatment failure, clinical outcome scores, and radiographic findings for cohort who underwent either transtibial pull-through repair an MMPRT. We hypothesized that will have lower rates progression arthroplasty than were management...

10.1177/0363546519888212 article EN The American Journal of Sports Medicine 2019-11-25

Three common instructional strategies used to teach gross anatomy are lecture, discovery or inquiry-based learning, and cooperative learning. One form of called reciprocal peer teaching (RPT), illustrates circumstances where students alternate roles as teacher student. By assuming the responsibility their peers, not only improve understanding course content, but also develop communication skills, teamwork, leadership, confidence respect for peers that vital developing professionalism early...

10.1002/ca.20090 article EN Clinical Anatomy 2005-01-01

Background: Fresh-stored osteochondral allografts have been used successfully to resurface large chondral and defects of the knee. However, there are limited data available for return athletic activity. Purpose: To review rate activity after allograft transplantation in knee identify any potential risk factors not returning sport. Study Design: Case series; Level evidence, 4. Methods: Forty-three athletes were treated with fresh-stored symptomatic or from 2000 2010. The average age (30 men,...

10.1177/0363546511435780 article EN The American Journal of Sports Medicine 2012-02-07

Background The medial patellofemoral ligament (MPFL) is the primary restraint to extreme lateral displacement and typically disrupted with an acute patellar dislocation. Patients who fail a comprehensive nonoperative program experience recurrent instability episodes are candidates for surgical treatment. Current procedures include variety of proximal realignment techniques, including repair or reconstruction MPFL along distal tibial tubercle when indicated. Purpose objective this study was...

10.1177/0363546510376230 article EN The American Journal of Sports Medicine 2010-08-17

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

10.2106/jbjs.k.00815 article EN Journal of Bone and Joint Surgery 2012-06-06

Context: Articular cartilage injuries are common in patients presenting to surgeons with primary complaints of knee pain or mechanical symptoms. Treatment options include comprehensive nonoperative management, palliative surgery, joint preservation operations, and arthroplasty. Evidence Acquisition: A MEDLINE search on articular restoration techniques the was conducted identify outcome studies published from 1993 2013. Special emphasis given Level 1 2 studies. Study Design: Clinical review....

10.1177/1941738113508917 article EN Sports Health A Multidisciplinary Approach 2013-10-22

Abstract Improving the effectiveness of adipose‐tissue derived human mesenchymal stromal/stem cells (AMSCs) for skeletal therapies requires a detailed characterization mechanisms supporting cell proliferation and multi‐potency. We investigated molecular phenotype AMSCs that were either actively proliferating in platelet lysate or basal non‐proliferative state. Flow cytometry combined with high‐throughput RNA sequencing (RNASeq) RT‐qPCR analyses validate express classic surface markers (e.g.,...

10.1002/jcb.24852 article EN Journal of Cellular Biochemistry 2014-06-06

The rate of patellofemoral arthritis after lateral patellar dislocation is unknown. Purpose/Hypothesis: purpose this study was to compare the risk and knee arthroplasty between patients who experienced a matched individuals without dislocation. Additionally, factors predictive were examined. hypothesis that likely higher among experience compared with those do not.Cohort study; Level evidence, 3.In study, 609 had first-time 1990 2010 an age- sex-matched cohort did not have Medical records...

10.1177/0363546516680604 article EN The American Journal of Sports Medicine 2016-12-22

Reconstruction of anterior cruciate ligament (ACL) tears may potentially prevent the development secondary meniscal injuries and arthritis.The purpose this study was to (1) evaluate protective benefit ACL reconstruction (ACLR) in preventing subsequent or arthritis, (2) determine if earlier ACLR (<1 year after injury) offers greater benefits than delayed (≥1 injury), (3) factors predictive long-term sequelae ACLR. The hypothesis that incidence tears, total knee arthroplasty (TKA) would be...

10.1177/0363546516634325 article EN The American Journal of Sports Medicine 2016-03-08

Autologous chondrocyte implantation (ACI) has not been proven to be durable over the long-term. The purpose of this systematic review was (1) evaluate activity level and knee function, (2) reoperation failure rates, (3) analyze risk factors for ACI at minimum long-term follow-up.A comprehensive performed studies with outcomes after cartilage defect repair. Studies reported outcome scores such as Tegner score, Lysholm International Knee Documentation Society (IKDC) score along rates...

10.1177/1947603516630786 article EN Cartilage 2016-03-05
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