A5102010918- Shoulder Injury and Treatment
- Shoulder and Clavicle Injuries
- Insect behavior and control techniques
- Insect-Plant Interactions and Control
- Insect Resistance and Genetics
- Knee injuries and reconstruction techniques
- Total Knee Arthroplasty Outcomes
- Sports injuries and prevention
- Biological Control of Invasive Species
- Insect and Pesticide Research
- Nerve Injury and Rehabilitation
- Insect Pest Control Strategies
- Insect Pheromone Research and Control
- Orthopedic Surgery and Rehabilitation
- Plant and animal studies
- Cardiovascular Syncope and Autonomic Disorders
- Tendon Structure and Treatment
- Structural Load-Bearing Analysis
- Structural Engineering and Vibration Analysis
- Muscle activation and electromyography studies
- Trauma Management and Diagnosis
- Entomopathogenic Microorganisms in Pest Control
- Musculoskeletal pain and rehabilitation
- Cardiac Valve Diseases and Treatments
- Hip disorders and treatments
University of Michigan–Ann Arbor
2015-2024
Vanderbilt University
2024
University of California, Los Angeles
2024
Michigan Medicine
2015-2022
Slocum Research and Education Foundation
2019-2022
Brown University
2022
Michigan United
1997-2021
Vanderbilt University Medical Center
2017-2021
University of Iowa
2020-2021
University of Iowa Hospitals and Clinics
2018
Despite advances in arthroscopic repair of rotator cuff tears, recurrent tears after large and massive remain a significant clinical problem. The primary objective this study was to define the timing structural failure surgically repaired by serial imaging with ultrasound. secondary investigate association between outcome repair.Recurrent tear is more likely occur late (>3 months) postoperative period will be associated inferior scores.Cohort study; Level evidence, 3.Twenty-two consecutive...
Background: Most surgeons believe that graft choice for anterior cruciate ligament (ACL) reconstruction is an important factor related to outcome; however, revision may be limited due previously used grafts. Hypotheses: Autograft use would result in increased sports function, activity level, and decreased osteoarthritis symptoms (as measured by validated patient-reported outcome instruments). failure reoperation rate 2 years after ACL reconstruction. Study Design: Cohort study; Level of...
Objective: To compare the mechanical effectiveness of three different techniques for stabilization transverse fractures patella. Design: Cadaveric knees were used to model acute test treatment in pairs knees, specimen assigned randomly a set predetermined so as provide equal numbers paired and unpaired data sets. Results then analyzed using two-way analysis variance. Setting: The are widely applicable clinical setting No specialized equipment or training is required general subspecialized...
Proprioception, or joint position sense, probably plays an important role in shoulder function. In this study, we assessed the effect of muscle fatigue on proprioception 20 volunteers with no abnormalities. Shoulder was measured as threshold to first detection humeral rotation at 90 degrees abduction and external rotation. Subjects were tested while rested, exercised a isokinetic testing machine until fatigued, then retested identical fashion. Both shoulders tested, order dominant...
Rotator cuff tears are one of the most common causes pain and disability in upper extremity. With use an animal model, we studied healing response a controlled defect normal supraspinatus tendon with reduced intrinsic capacity. In 36 Sprague-Dawley rats, defects (2 mm x 2 mm) were created tendons bilaterally. To model intrinsically capacity to heal, tissue adjacent area left shoulder was treated situ freezing. The contralateral not frozen. After 3 (n = 12), 6 12 12) weeks, animals killed...
Patellar fractures usually occur from distraction and three-point bending of the patella as well direct blows. Surgical treatment is necessary for that are displaced more than 2 mm may include open reduction internal fixation, partial patellectomy, or rarely, total patellectomy. We have presented a new technique stabilization simple transverse fracture has provided superior results in laboratory tests. Postoperative complications can be minimized by good attention to wound care, accurate...
Background: At the time of anterior cruciate ligament (ACL) reconstruction, there are usually concurrent meniscal and articular cartilage injuries. It is unclear if a significant difference between intra-articular injuries at primary ACL reconstruction compared with revision reconstruction. Purpose: To compare found surgery to determine associations specific findings. Study Design: Cohort study (prevalence); Level evidence, 2. Methods: Primary surgeries were identified from Multicenter...
The factors that lead to patients failing multiple anterior cruciate ligament (ACL) reconstructions are not well understood.Multiple-revision ACL reconstruction will have different characteristics than first-time revision in terms of previous and current graft selection, mode failure, chondral/meniscal injuries, surgical charactieristics.Case-control study; Level evidence, 3.A prospective multicenter database was utilized for the time period from March 2006 June 2011. Patients were divided...
Shoulder instability is a common diagnosis among patients undergoing shoulder surgery.To perform descriptive analysis of surgery for through large multicenter consortium.Case series; Level evidence, 4.All who were enrolled in the MOON Instability Study included. Baseline demographics included age, sex, body mass index, and race. patient-reported outcomes (PROs) American Elbow Surgeons (ASES) score, Activity Score, Western Ontario Index (WOSI), 36-Item Health Survey (RAND-36), Single...
An inventory of parasitoids and parasites fall armyworm (FAW), Spodoptera frugiperda (J. E. Smith), was conducted using references describing parasitized FAW eggs, larvae, pupae adults collected from different crops or habitats throughout the Americas Caribbean Basin. The countries where these were reported occurring in is also inventoried. Maize crop more frequently followed by rice. Overall, Chelonus insularis (Cresson) had broadest natural distribution Americas. For North American region...
Anatomic factors, such as a hooked acromion, have been associated with rotator cuff disorders. Orientation of the glenoid relative to scapula has implicated in shoulder instability, but it not linked The purpose current study was test hypothesis that superior inclination is full-thickness tears. Glenoid angles were measured from 16 radiographs convenience sample eight cadavers which one had an intact and other tear. for shoulders tears compared contralateral normal using nonparametric...
An in vivo animal model was used to evaluate overuse and plus intrinsic tendon injury or extrinsic compression the development of rotator cuff injury. Forty-four male Sprague-Dawley rats were divided into groups 22. Each left shoulder received an (treadmill running), each right only overuse. Eleven from group sacrificed at 4 8 weeks. Supraspinatus tendons evaluated histologically geometrically biomechanically. Ten constituted a cage-activity control group. Both supraspinatus experimental had...
Summary: A review of 27 fractures the acromion process during a 15-year period revealed five distinct types that were classified into three groups. Stress are rare, do not result from acute trauma, and gain little benefit nonoperative treatment. Type I minimally displaced. IA avulsion heal rapidly. IB direct trauma to extremity, Most with II displaced laterally, superiorly or anteriorly reduce subacromial space. pain free full motion after 6 weeks III This may occur by an inferiorly...
Background: Surgical quality improvement has received increasing attention in recent years, but it is not clear where orthopaedic surgeons should focus their efforts for the greatest impact on perioperative safety and quality. We sought to guide these by prioritizing procedures according those that generate number of adverse events. Methods: used data from American College Surgeons National Quality Improvement Program (ACS NSQIP) identify all patients who had undergone an surgical procedure...
The purpose of this study was to investigate the ability ultrasound accurately identify long head biceps brachii (LHB) tendon abnormalities.The surgical findings for 66 consecutive patients who underwent arthroscopic shoulder surgery were retrospectively compared with preoperative examination. Patients excluded if more than 200 days elapsed between and surgery. Ultrasound images obtained using high-frequency transducers at arthroscopy presence LHB abnormalities, including full-thickness...
Background: Revision anterior cruciate ligament (ACL) reconstruction has been documented to have worse outcomes compared with primary ACL reconstructions. Purpose/Hypothesis: The purpose of this study was determine if the prevalence, location, and/or degree meniscal and chondral damage noted at time revision predicts activity level, sports function, osteoarthritis symptoms 2-year follow-up. hypothesis that loss high-grade will result in lower levels, decreased participation, more pain,...
Background: While revision anterior cruciate ligament reconstruction (ACLR) can be performed to restore knee stability and improve patient activity levels, outcomes after this surgery are reported inferior those primary ACLR. Further reoperations ACLR have an even more profound effect on satisfaction outcomes. However, there is a current lack of information regarding the rate risk factors for subsequent Purpose: To report reoperations, procedures performed, reoperation 2 years Study Design:...