The literature article entitled, "mid-term outcome of total hip arthroplasty in patients with progressive pseudorheumatoid dysplasia" written by bin feng, md, ke xiao, md, yi ren, md, zenan xia, md, jin, md, zhihong wu, md, guixing qiu, md, and xisheng weng, md published by journal of clinical rheumatology 2019 was reviewed.The article's purpose was to investigate the clinical and radiological outcome of ppd patients undergoing tha after mid-term follow-up.Data was compiled from 8 cases.All received depuy implants.Figure 4 provides radiographic image of implants with no adverse event in caption description.Depuy products: pinnacle cup, srom stem, corail stem, cup screw, ceramic head, ceramic liner.Adverse event: case 2 had a perforation of posterior cup screw and impinged the sciatic nerve (treated by surgery with removal of screw with patient experiencing full recovery afterwards) one patient (case number unknown) report inguinal pain 1 month post implantation due to "dysplasia of the socket and cup anterior overhang" (treated by observation and non-steroid anti-inflammatory drugs prescribed with pain disappearing at 3 months post op).
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Product complaint # (b)(4).Investigation summary: no device associated with this report was received for examination.Review of the attached images could not confirm the reported allegations for this complaint.A root cause could not be determined.The information received will be retained for potential series investigations if triggered by trend analysis or other events within the quality system.Depuy considers the investigation closed.Should additional information be received, the information will be reviewed, and the investigation will be re-opened as necessary.Device history lot: the product investigation found no evidence suspecting an error in the manufacturing or material that would be a contributing factor in the reported allegation(s).Where the lot code was provided, a manufacturing records evaluation (mre) was not performed.
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