"literature article entitled "a minimum of 15-year results of cementless total hip arthroplasty using a 28-mm metal-on-metal articulation" written by chan-woo park, md, joo-hwan kim, md, seung-jae lim, md, young-wan moon, md, youn-soo park, md published by the journal of arthroplasty published online/accepted by publisher 4 mar 2020 was reviewed.
The purpose of this study was to evaluate the clinical and radiographic outcomes of the previously reported cohort at a minimum follow-up of 15 years.
The original cohort consisted of 171 primary thas (167 patients) using a 28-mm mom articulation performed between april 2000 and march 2002.
Of these, 130 hips (126 patients) were reviewed at an average follow-up of 17.
1 (range, 15-18) years.
Clinical score, complications, presence of osteolytic lesion, serum metal ion concentrations, and implant survivorships were evaluated.
X-ray images can be found on page 3 of article.
It is noted 25 deaths occurred that were initially involved in the study, however, there is no indication or allegation a depuy product was the cause or contributed to any of the indicated deaths.
The reason for the deaths is not indicated in the study.
Depuy products: ultima cementless cup, s-rom cementless stem, unnamed metal-on-metal head and liner, and s-rom sleeve.
There is no indication of any revision involving the s-rom sleeve.
Adverse events: 9 patients are identified by age and gender.
8 of the 9 underwent revision operations.
The ninth patient has not undergone a revision operation.
Case 1: male.
(b)(6).
Revision to address infection and edema.
Within one year post-primary.
Cup, liner, head, and stem revised.
Case 2: female.
(b)(6).
Revision to address dislocation, groin pain, osteolysis, necrosis, and alval.
Cup, liner, and head revised.
Case 3: male.
(b)(6).
Revision due to joint infection and edema.
Cup, liner, head, and stem revised 2+ years after primary.
Case 4: female.
(b)(6).
Revision due to groin pain, osteolysis, elevated metal levels, necrosis, and alval.
Cup, liner, and head revised.
Case 5: female.
(b)(6).
Revision due to groin pain, osteolysis, elevated metal levels, necrosis, and alval.
Cup, liner, and head revised.
Case 6: male.
(b)(6).
Revision due to groin pain, osteolysis, elevated metal levels, necrosis, and alval.
Cup, liner, and head revised.
Case 7: female.
(b)(6).
Revision due to groin pain, osteolysis, elevated metal levels, and alval.
Cup, liner, and head revised.
Case 8: male.
(b)(6).
Revision due to aseptic stem loosening and necrosis.
Stem and head revised.
Case 9: male.
(b)(6).
X-ray imaging revealed osteolysis.
No revision.
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