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Total Hip Replacement for Treatment of Chronic Coxofemoral Joint Dislocation in 7 Dogs

  • Yoon, Jang-Won (College of Veterinary Medicine, Chungnam National University) ;
  • Heo, Su-Young (College of Veterinary Medicine, Chonbuk National University) ;
  • Jeong, Seong-Mok (College of Veterinary Medicine, Chungnam National University) ;
  • Lee, Hae-Beom (College of Veterinary Medicine, Chungnam National University)
  • Received : 2019.07.08
  • Accepted : 2019.08.11
  • Published : 2019.08.30

Abstract

Total Hip Replacement in a patient with chronic coxofemoral joint dislocation is a challenging problem because chronic coxofemoral joint dislocation causes severe morphological changes. These challenging factors make surgery more difficult and increase the possibility of postoperative complications including cup implant dislocation and prosthetic joint luxation. All patients were diagnosed having at least 2 months of coxofemoral joint dislocation. On physical examination, crepitus was noted in the coxofemoral joint. Radiographs revealed hip joint dislocation with mild to severe degenerative changes. Total hip replacement was planned for all patients. Dorsal acetabular rim deficiency in 3 cases was augmented using a locking plate and polymethylmethacrylate bone cement. All cases have shown difficulty in prosthetic joint reduction. Pectineus and rectus femoris muscle origin were released in all cases. At 12 months follow up, all patients showed satisfactory ambulation. The issues on perioperative prosthetic joint reduction and luxation due to chronic coxofemoral joint luxation with muscle contracture and dorsal acetabular rim deficiency can be resolved by muscle releasing and dorsal acetabular rim augmentation.

Keywords

References

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