Peter J. O’Brien

ORCID: 0000-0003-2808-9089
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About
Contact & Profiles
Research Areas
  • Bone fractures and treatments
  • Hip and Femur Fractures
  • Pelvic and Acetabular Injuries
  • Orthopedic Surgery and Rehabilitation
  • Trauma and Emergency Care Studies
  • Global Health and Surgery
  • Orthopaedic implants and arthroplasty
  • Pregnancy-related medical research
  • Spinal Fractures and Fixation Techniques
  • Sports injuries and prevention
  • Elbow and Forearm Trauma Treatment
  • Knee injuries and reconstruction techniques
  • Shoulder and Clavicle Injuries
  • Global Health Workforce Issues
  • Shoulder Injury and Treatment
  • Musculoskeletal Disorders and Rehabilitation
  • Total Knee Arthroplasty Outcomes
  • Foot and Ankle Surgery
  • Spine and Intervertebral Disc Pathology
  • Abdominal Trauma and Injuries
  • Counseling, Therapy, and Family Dynamics
  • Hip disorders and treatments
  • Medical Malpractice and Liability Issues
  • Child Therapy and Development
  • Tendon Structure and Treatment

Vancouver General Hospital
1997-2024

Vancouver Coastal Health
2021-2024

University of British Columbia
2015-2024

University of Maryland, Baltimore
2017

Creative Research Enterprises (United States)
2017

Orthopaedic Trauma Association
2017

Charité - Universitätsmedizin Berlin
2008

Humboldt-Universität zu Berlin
2008

Stryker (Canada)
2008

O'Brien Institute
2007

Citation analysis reflects the recognition a work has received in scientific community by its peers, and is common method to determine 'classic' works medical specialties.We determined which published articles orthopaedic journals have been most cited other authors ranking 100 top-cited works. By analyzing characteristics of these articles, we intended what qualities make an article important specialty. Finally, if there was change level evidence studies on this list with time.Science Index...

10.1007/s11999-010-1604-1 article EN Clinical Orthopaedics and Related Research 2010-10-04

One hundred and fifty-two patients who had 154 closed fractures of the shaft tibia were prospectively randomized to management with interlocking intramedullary nailing either or without reaming. Thirteen been treatment reaming switched group that because technical reasons; these excluded from analysis results. An additional five lost follow-up. Thus, seventy-two (seventy-three fractures) managed sixty-three (sixty-three available for follow-up at an average twelve months (range, three...

10.2106/00004623-199705000-00002 article EN Journal of Bone and Joint Surgery 1997-05-01

Objective: To determine the incidence and natural history of knee pain following tibial nailing. Design: A retrospective analysis patients treated by nailing evaluating a consecutive series with isolated shaft fractures. Setting: level one trauma center in Vancouver, British Columbia. Patients: group 107 110 fractures interlocking Intervention: Patients were contacted interviewed authors. Clinical records radiographs analysed. Main Outcome Measurements: Incidence pain; time onset;...

10.1097/00005131-199701000-00004 article EN Journal of Orthopaedic Trauma 1997-01-01

Observational studies indicate that physical activity (PA) is strongly associated with improved disease outcomes in colon cancer survivors, but a randomized controlled trial needed to determine whether the association causal and new policies promote exercise are justified.The co.21 Colon Health Life-Long Exercise Change (challenge) undertaken by National Cancer Institute of Canada Clinical Trials Group (NCIC CTG) designed effects structured pa intervention on for survivors high-risk stage II...

10.3747/co.v15i6.378 article EN cc-by Current Oncology 2008-12-04

The optimal treatment for pilon fractures remains controversial. We have used early single-stage open reduction and internal fixation (ORIF) to treat these injuries the purpose of this study was determine safety efficacy strategy.Cohort study.Level I trauma center.Ninety-five patients with Orthopaedic Trauma Association type 43.C fractures.Primary ORIF.Primary: Wound dehiscence or deep infection requiring surgery; secondary: quality fracture reduction, functional outcomes (SF-36 Foot Ankle...

10.1097/bot.0b013e3181d04bc0 article EN Journal of Orthopaedic Trauma 2010-12-01

Objectives: To describe the incidence and magnitude of femoral neck fracture shortening in patients age younger than 60 years. Secondarily, to examine predictors shortening. Design: Retrospective chart review. Setting: Level I trauma centre. Patients/Participants: Sixty-five with a median 51 years (interquartile range: 42–56 years) were included. Seventy-one percent male, 75% displaced fractures, 78% treated cancellous screws. Intervention: Internal fixation multiple screws or sliding hip...

10.1097/bot.0000000000000351 article EN Journal of Orthopaedic Trauma 2015-05-13

Objectives To assess the outcomes of surgical management "isolated" displaced lateral malleolar fractures, comparing techniques plating and antiglide as described previously. Design This is a retrospective review, being largely surgeon-randomized comparative study. Setting The study was carried out at university teaching hospital that serves provincial trauma referral service provides local community care. senior surgeons are all orthopaedic subspecialists. Patients A total 193 patients...

10.1097/00005131-200208000-00008 article EN Journal of Orthopaedic Trauma 2002-08-01

Background and purpose - Most often, the goal of non-geriatric femoral neck fracture surgery is to preserve native hip joint. However, reoperations for painful implants, osteonecrosis, nonunion are common. We determined reoperation rate time-to-reoperation following internal fixation these fractures in a large population cohort. Patients methods This retrospective cohort study included patients between ages 18 50 years old who underwent during 1997-2013. were followed until December 2013....

10.1080/17453674.2018.1558380 article EN cc-by Acta Orthopaedica 2019-01-02

The literature on pelvic ring disruptions is based largely nonstandardized and nonvalidated radiographic outcomes. A thorough review of the revealed only 3 described methods for measuring displacement 1 frequently used grading system displacement. We aimed to test reliability these previously published measurement system.Five separate observers measured standardized pre- postoperative anteroposterior, inlet, outlet views 25 patients with surgically treated Tile B C fractures. readers their...

10.1097/bot.0b013e31829efcc5 article EN Journal of Orthopaedic Trauma 2013-06-12

In 34 cases of cervical spine facet dislocation treated between 1975 and 1979, the dislocations were reduced by closed methods immobilized in halo thoracic brace. If reduction was unsuccessful, open fusion performed. There is a high incidence failure immobilization patients with minimal or no neurologic deficit. Bilateral more frequently associated severe injury than unilateral dislocation. Use time consuming, often may result deterioration. Patients are at risk late instability following...

10.1097/00005373-198208000-00012 article EN Journal of Trauma and Acute Care Surgery 1982-08-01

This study examines depression and outcomes in patients older than 55 years with distal radius fracture.Prospective data collection included patient characteristics, treatment, general limb symptoms disability, complications at baseline, 3 months, 1 year. Bivariate analysis multivariable linear regression were used to assess relationships between outcome measures, specifically the Short Form-36 (SF-36), Disability of Arm, Shoulder, Hand (DASH) scores, Centre Epidemiologic Studies Depression...

10.1097/bot.0000000000000514 article EN Journal of Orthopaedic Trauma 2015-12-29

The optimal treatment protocol for bicondylar plateau fractures remains controversial. Contrary to popular practice which favors a staged in many high-energy fracture patterns, we have used early single-stage open reduction and internal fixation (ORIF) treat these injuries whenever possible. purpose of this study was determine the complication rate functional radiographic outcomes strategy.Retrospective cohort prospective data collection.Level I trauma center.One hundred one patients with...

10.1097/bot.0000000000000779 article EN Journal of Orthopaedic Trauma 2017-01-10

To compare unreamed intramedullary nailing versus external fixation for the treatment of Gustilo-Anderson type II and IIIA open tibial fractures admitted to a hospital in rural Uganda.Randomized clinical trial.Regional referral Uganda.Fifty-five skeletally mature patients with or tibia shaft fracture treated within 24 hours injury between May 2016 December 2019.Unreamed (n = 31) 24).The primary outcome was function 12 months injury, measured using Function IndeX Trauma (FIX-IT) score....

10.1097/bot.0000000000002362 article EN Journal of Orthopaedic Trauma 2022-03-02

To determine the influence of treatment and radiographic parameters on patient-reported functional outcomes a population non-frail elderly with distal radius fractures.Prospective cohort study.Level 1 trauma center.Patients older than 55 years presenting fracture Canadian Study Health Aging Clinical Frailty Scale score or 2.Closed reduction casting open internal fixation as per treating surgeons' decision.Radiographic scores at baseline, 6 weeks, 12 well Disabilities Arm, Shoulder Hand,...

10.1097/bot.0000000000000566 article EN Journal of Orthopaedic Trauma 2016-03-19

Background: The purpose of this study was to determine the socioeconomic implications isolated tibial and femoral fractures caused by road traffic injuries in Uganda. Methods: This prospective longitudinal included adult patients who were admitted Uganda’s national referral hospital with an or fracture. primary outcome time recovery following injury. We assessed using 4 domains: income, employment status, health-related quality life (HRQoL) recovery, school attendance patients’ dependents....

10.2106/jbjs.17.00439 article EN Journal of Bone and Joint Surgery 2018-04-04

10.1016/j.otsr.2010.01.014 article EN publisher-specific-oa Orthopaedics & Traumatology Surgery & Research 2010-07-21
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