A 72-year-old active community ambulator presents to the off...

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Trauma
- Intertrochanteric Fractures

Relevance score: 64

Use of Closed Incisional Negative Pressure Wound Therapy After Revision Total Hip and Knee Arthroplasty in Patients at High Risk for Infection: A Prospective, Randomized Clinical Trial.

Jared M Newman,

Marcelo B P Siqueira,

Recon
- TKA Revision

Jared M Newman, JARTHO 2019

An orthopaedic surgeon noticed a displaced calcar fracture d...

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Recon
- THA Periprosthetic Fracture

Relevance score: 64

Comparison between bipolar hemiarthroplasty and THA for osteonecrosis of the femoral head.

Recon
- Hip Osteonecrosis

Seung Bak Lee, CORR 2004

Figure 1 is the radiograph of a 62-year-old woman who fell a...

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Trauma
- Femoral Neck Fractures

Relevance score: 64

A patient presents to the emergency department after sufferi...

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Hand
- Physical Exam of the Hand

A 14-year-old boy presents to the clinic for evaluation of right hip pain that is worsened with physical activity. He has a past medical history of temporary hemiepiphysiodesis of his right proximal tibia for correction of his genu valgum. On examination, he is tender distal to the iliac crest, and pain with snapping of the hip is reproduced with hip abduction. There are no weakness or sensory deficits. Leg-length films are obtained, as shown in Figure A. The most likely genetic mutation associated with this patient's condition is?

Pathology
- Osteochondroma & Multiple Hereditary Exostosis

What are the radiographic reference values for acetabular under- and overcoverage?

Knee & Sports
- Hip Arthroscopy

Moritz Tannast, CORR 2015

A 67-year-old female underwent a total hip arthroplasty 6 months ago and has had recurrent prosthetic dislocations. Figure A is a representative drawing of the mechanism of her dislocation. During the time of surgery what is the most likely factor leading to the bone-on-bone impingement?

0 responses

L 3

Recon
- THA Stability Techniques

Early Radiographic Fit and Fill Analysis of a New Metaphyseal-Filling Triple Taper Stem Designed Using a Large Computed Tomography Scan Database.

Manoshi Bhowmik-Stoker,

Bryan Springer,

Jeremy Gililland

General

A 60-year-old woman has activity-related hip pain after unde...

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Recon
- THA Aseptic Loosening

Management of acute clavicle fractures.

Won Kim,

Michael D McKee

Trauma
- Clavicle Fractures - Midshaft

Won Kim, OCNA 2008

Congenital Dislocation of the Knee

968 responses

Pediatrics

Relevance score: 63 / Absolute Importance: 6

A 70-year-old man is scheduled to undergo bearing surface re...

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Recon
- THA Revision

Evolving Technique: Total Hip Arthroplasty Templating: How I Do It, Why I Do It, How It Makes A Difference - It’s A Must! - Jose A. Rodriguez, MD (OSET 2018)

Recon
- THA Templating

Quadriceps Snip in 321 Revision Total Knee Arthroplasties: A Safe Technique in a Matched Cohort Study.

Recon
- TKA Approaches

Matthew P Abdel, JARTHO 2019

A 70-year-old man presents to the emergency department by am...

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Recon
- THA Periprosthetic Fracture

Experience in Providing Ambulatory Surgery From an Expeditionary Fast Transport Mobile and Rapidly Deployable Expeditionary Medical Unit During Continuing Promise 2018.

Conor B Garry,

Reginald Middlebrooks,

General

Conor B Garry, 2023

The Long-Term Outcome After Varus Derotational Osteotomy for Legg-Calvé-Perthes Disease: A Mean Follow-up of 42 Years.

0 responses

Pediatrics
- Legg-Calve-Perthes Disease

Noam Shohat, JBJS 2016

77-Year-Old Country Club Tennis Champ Just Got His Spine Fixed, Had A Hip Placed 15 Years Ago, No Issues Previously & It Just Dislocated When Running For A Wide Forehand - What's The Plan Now In This Class Of Patients, I Know The Answers - Darwin Chen, MD

32 responses

Recon
- THA Revision

A 71-year-old woman has a failed revision hip arthroplasty a...

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Recon
- Prosthetic Joint Infection

After total hip arthroplasty (THA) for osteoarthritis a pati...

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Recon
- THA Sciatic Nerve Palsy

Figure 46 shows the AP radiograph of an active 80-year-old patient with an acetabular fracture. The fracture was initially managed nonsurgically; however, the patient is now scheduled to undergo total hip arthroplasty. What is the treatment of choice for the contained acetabular bone defect?

Recon
- THA Prosthesis Design

Periacetabular osteotomy for the treatment of acetabular dysplasia associated with major aspherical femoral head deformities.

Pediatrics
- Developmental Dysplasia of the Hip (DDH)

John C Clohisy, JBJS 2007

A patient undergoes a primary total hip arthroplasty with a highly cross-linked ultra-high molecular weight (UHMW) polyethylene acetabular liner. In comparison to a 28mm femoral head, a 32mm femoral head will provide which of the following?

Recon
- Wear & Osteolysis Basic Science

Long-Term Outcomes of Constrained Liners Cemented into Retained, Well-Fixed Acetabular Components.

Recon
- THA Revision

Timothy S Brown, JBJS 2019

A 62-year-old patient is seen for routine follow-up after undergoing cementless total hip arthroplasty 2 years ago. The patient reports limited range of motion that severely affects daily activities. A radiograph is shown in Figure 51. Management should now consist of

L 1

Recon
- THA Other Complications

A 67-year-old male golfer presents with right hip pain of th...

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Recon
- Hip Osteoarthritis

Development of an orthopaedic surgical skills curriculum for post-graduate year one resident learners - the University of Iowa experience.

UI Orthopaedic Surgical Skills Training CommitteeCorresponding

General

Matthew D Karam, 2013

A 25-year perspective of peripheral nerve surgery: evolving neuroscientific concepts and clinical significance.

G Lundborg

Hand
- Peripheral Nerve Injury & Repair

When placing acetabular screws to supplement cementless acetabular fixation in total hip arthroplasty, placing screws in which zone poses the highest risk to damaging the external iliac vasculature?

Recon
- THA Acetabular Screw Fixation

The classic. Innominate osteotomy in the treatment of congenital dislocation and subluxation of the hip by Robert B. Salter, J. Bone Joint Surg. (Brit) 43B:3:518, 1961.

R B Salter

Pediatrics
- Developmental Dysplasia of the Hip (DDH)

R B Salter, CORR 1978

Response to letter to the editor "Distal Femur Fractures Have a Higher Mortality Rate Compared to Hip Fractures Among the Elderly: Insights From the National Trauma Data Bank?"

Sung Huang Laurent Tsai,

General

Sung Huang Laurent Tsai, INJURY 2021

Early results of treatment of hip impingement syndrome in slipped capital femoral epiphysis and pistol grip deformity of the femoral head-neck junction using the surgical dislocation technique.

40 responses

Samantha Spencer,

Michael B Millis,

Young-Jo Kim

Pediatrics
- Slipped Capital Femoral Epiphysis (SCFE)

Samantha Spencer, JPO 2006

A teenage boy injured his hip while competing in a track meet. His radiograph is shown in Figure A. Which of the following muscles is most likely injured?

L 1

Knee & Sports
- Rectus Femoris Strain

A right hip of an 8-year-old patient is modeled in Figure A. Which of the following vessels gives the greatest blood supply to the femoral head?

L 1

Pediatrics
- Slipped Capital Femoral Epiphysis (SCFE)

A minimal-incision technique with an incision no more than 10 centimeters has which of the following advantages compared to a standard incision for a total hip replacement?

Recon
- THA Approaches

A 74-year-old man reports progressive left hip pain with wei...

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Pathology
- Paget's Disease

A 60-year-old man undergoes bilateral total hip arthroplasty...

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Basic Science
- General and Regional Anesthesia in Orthopaedics

A 62-year-old female presents to your office with chronic right hip pain after failing 6 months of nonoperative treatment including physical therapy, NSAIDs, and an intra-articular corticosteroid injection. She denies any past medical history, but on exam, she has a notable deformity in both of her hands, as shown in Figure A. Her radiograph from today's visit is shown in Figure B. You schedule her for a right total hip arthroplasty (THA). Compared to a different patient with x-rays shown in Figure C, which of the following has been associated with her undiagnosed orthopedic condition following THA?

Recon
- Prosthetic Joint Infection

"Normal" talar tilt angle.

J S Cox,

T F Hewes

Trauma
- Ankle Fractures

Figures A and B are pre-operative and intra-operative radiographs of a 67-year-old male that has undergone a left total hip arthroplasty under general anesthesia. The patient had no motor deficits pre-operatively. During the operation, the trial acetabular and femoral components were positioned and reduced with no complication. Intra-operative leg lengths were equal. Before implanting the real components, the surgeon and anaesthesiologist performed a wake up test, which revealed that the patient was unable to dorsiflex the left foot. What would be the most appropriate next step in the management of this patient?

Recon
- THA Sciatic Nerve Palsy

A 76-year-old woman presents to the clinic with pain in her ...

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Trauma
- Femoral Neck Fractures

A 66-year-old male undergoes a right revision total hip arth...

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Recon
- THA Postoperative Inpatient Management

Primary repair of the acetabular labrum: outcomes with 2 years' follow-up.

J W Thomas Byrd,

Kay S Jones

Knee & Sports
- Femoroacetabular Impingement (FAI)

J W Thomas Byrd, ASCOPY 2014

Diagnostic radiology in Legg-Calvé-Perthes disease.

12 responses

C Kaniklides

Pediatrics
- Legg-Calve-Perthes Disease

Figures A and B are radiographs of a 64-year-old male with p...

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Pathology
- Multiple Myeloma

Figure 109 is the radiograph of an 11-year-old boy who felt ...

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Knee & Sports
- Rectus Femoris Strain

An 85-year-old man with rheumatoid arthritis presents to the arthroplasty clinic for evaluation of a painful total hip arthroplasty. His index surgery was performed in another state 25 years ago. Radiograph is presented in Figure A. He is currently taking amoxicillin for an upper respiratory infection. Physical examination finds a well-healed anterior hip incision with no erythema, mild effusion, and good hip range of motion. A fluoroscopic guided arthrocentesis is performed and sent for synovial biomarkers. Results from synovial fluid analysis show positive alpha-defensin, 2150 WBCs/µL, 76% PMNs, and C-reactive protein of 2.2 mg/L (normal < 10 mg/L). All cultures are negative after being held for 14 days. Which of the following is most likely the cause for his positive alpha defensin result?

Recon
- Prosthetic Joint Infection

An 12-year-old girl presents with right hip pain. Bilateral ...

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Pediatrics
- Slipped Capital Femoral Epiphysis (SCFE)