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Estimating posterior humeral subluxation

6/18/2022

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J Shoulder Elbow Surg
2012 Sep;21(9):1136-41.
Glenoid morphology rather than version predicts humeral subluxation: a different perspective on the glenoid in total shoulder arthroplastyHeinz R Hoenecke Jr 1, Lisa M Tibor, Darryl D D'Lima
Glenoid version did not correlate with humeral subluxation. The highest frequency of posterior subluxation was noted in biconcave glenoids.

​Bone & Joint OpenVol. 3, No. 6
Shoulder & ElbowIs there a correlation between humeral osteoarthritis and glenoid morphology according to Walch?Philipp Vetter
Petra Magosch
Peter Habermeyer
Increased humeral osteophyte length correlated with a higher grade of glenoid morphology (A1-A2-B1-B2-B3) according to Walch (r = 0.672; p < 0.0001).
​The criteria of humeral OL and HH morphology are associated with increasing glenoid retroversion, posterior humeral subluxation, and eccentric glenoid wear. Therefore, humeral radiological parameters might hint at the morphology on the glenoid side.


In a small sample size, I have found a corrrelation between posterior humeral subluxation and glenoid version
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Anatomic vs Reverse Arthroplasty

6/15/2022

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Small anatomy;
​degenerative tuberosity cysts;
glenoid version 13 degrees
80% posterior humeral subluxation
Lateralized offset humerus
Are these factors to consider?
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Humeral retroversion

6/13/2022

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Humeral retroversion is variable among individuals, and there are several measurement methods.
The mean humeral retroversion was 31.42° ± 12.10° using CT methods; the method using the bicipital groove center showed lower concordance, whereas the method using the posterior margin of the bicipital groove demonstrated higher concordance
Predicting humeral head retroversion preoperatively may be helpful although 10 degrees may not be significant
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Multiple Myeloma scapular spine

4/25/2022

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80 year old male with failed rotator cuff surgery; High riding humeral head and poor function and motion; axillary view shows multiple myeloma lesion. What would you do?
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Periprothestic fracture after reverse shoulder

4/25/2022

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70 year old female had a primary reverse shoulder 5 years ago. She sustained an accidental fall.
How would you manage this patient?
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Large patients needing reverse shoulder

4/24/2022

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71 year old male had Tornier reverse total shoulder; 42 mm glenosphere; size 8 humeral stem (largest size); what's your opinion of the humeral stem size?
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What would you do?

4/24/2022

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70 year old female sustained posterior shoulder dislocation 6 years ago. Underwent arthroscopic surgery to include cuff repair. 2 metallic sutures used; Benign humeral canal lesion; Now has severe pain and weakness; Forward flexion 90; ER 0; IR side of hip
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Post operative xrays

4/24/2022

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Please comment on these post operative xrays
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Humeral bone quality

4/23/2022

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In elderly, osteoporotic females, a cemented humeral stem may be an option; xrays below are both 85 year old females
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Serving The Villages,  Clermont , Haines City and  Davenport 
Heart of Florida Adventhealth, Orlando Health Southlake 


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M-F: 7am - 9pm

Telephone

352-243-6899

Email

focusorthopedics@hotmail.com
  • Home
  • dataset
  • Blog
  • Butlers
  • Rp measurement
  • humeral measurement
  • contact
  • Messieh Tuberosity
  • humeral cutting technique
  • diameter to stem size
  • reverse poly
  • ruleof3
  • trial
  • trail2
  • images
  • New Page
  • New Page1

About us

Dr. Michael Messieh is a specialized shoulder surgeon specializing in reverse shoulder replacement surgery. Our mission is to provide patients with the best possible care and support throughout the surgical process.

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Phone: 352-243-6899
Email: focusorthopedics@hotmail.com
Address: 771 CR 466 Lady Lake Florida Summit Medical Park

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