Pseudoarthrosis of the ilium after periacetabular osteotomy that was treated by cemented total hip arthroplasty: A case report

Arihiko Kanaji, Toru Nishiwaki, Akihito Oya, Kazuyuki Maehara, Hideki Maehara, Teruyo Oishi, Harumoto Yamada, Yasunori Suda, Masaya Nakamura, Morio Matsumoto

Research output: Contribution to journalArticle

Abstract

Background: Preserving the hip joint to delay arthroplasty for patients with acetabular dysplasia-associated early-stage osteoarthritis has become more common, and several surgical procedures have demonstrated pain relief and improved hip joint function. Periacetabular osteotomy, one of the joint-preserving surgical procedures of the hip, provides favorable outcomes, although there are no reports of total hip arthroplasty being used to treat pseudoarthrosis of the periacetabular osteotomy segment. Therefore, we report a case of pseudoarthrosis in the osteotomy segment after periacetabular osteotomy. The patient was treated using modified total hip arthroplasty and achieved a favorable short-term outcome. Case presentation: A 62-year-old Japanese woman was diagnosed with bilateral acetabular dysplasia at the age of 50 years, and underwent right and left periacetabular osteotomy at the ages of 52 and 55 years, respectively. When she was 61-years old, she experienced repeated episodes of left coxalgia during walking, with increasing pain at rest, and subsequently visited our department. Plain radiography and computed tomography of her left hip joint confirmed pseudoarthrosis of the periacetabular osteotomy segment. In addition, narrowing of her left hip joint space was observed, which indicated advanced osteoarthritis of the hip. Therefore, she underwent left total hip arthroplasty when she was 62-years old. During the surgery, fibrous fusion of the periacetabular osteotomy segment was confirmed via fluoroscopy, although no abnormal mobility was observed. Thus, the osteotomy segment was fixed with one absorbable screw and two bone pegs (which were prepared using allogeneic bone), and the acetabular cup was fixed using cement. Her postoperative course was generally favorable and bone fusion of the periacetabular osteotomy segment was confirmed at 3 years and 6 months after surgery. Her modified Harris hip score was 43 before the surgery and had improved to 90 at the final follow-up. Conclusions: Modified total hip arthroplasty was successfully used to treat osteoarthritis of the hip and pseudoarthrosis of the periacetabular osteotomy segment. This procedure achieved pseudoarthrosis region bone fusion and a favorable postoperative outcome.

Original languageEnglish
Article number899
JournalJournal of Medical Case Reports
Volume10
Issue number1
DOIs
Publication statusPublished - 06-05-2016

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Ilium
Pseudarthrosis
Osteotomy
Arthroplasty
Hip
Hip Joint
Hip Osteoarthritis
Bone and Bones
Bone Screws
Pain
Fluoroscopy
Radiography
Osteoarthritis
Walking
Joints
Tomography

All Science Journal Classification (ASJC) codes

  • Medicine(all)

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Kanaji, Arihiko ; Nishiwaki, Toru ; Oya, Akihito ; Maehara, Kazuyuki ; Maehara, Hideki ; Oishi, Teruyo ; Yamada, Harumoto ; Suda, Yasunori ; Nakamura, Masaya ; Matsumoto, Morio. / Pseudoarthrosis of the ilium after periacetabular osteotomy that was treated by cemented total hip arthroplasty : A case report. In: Journal of Medical Case Reports. 2016 ; Vol. 10, No. 1.
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Pseudoarthrosis of the ilium after periacetabular osteotomy that was treated by cemented total hip arthroplasty : A case report. / Kanaji, Arihiko; Nishiwaki, Toru; Oya, Akihito; Maehara, Kazuyuki; Maehara, Hideki; Oishi, Teruyo; Yamada, Harumoto; Suda, Yasunori; Nakamura, Masaya; Matsumoto, Morio.

In: Journal of Medical Case Reports, Vol. 10, No. 1, 899, 06.05.2016.

Research output: Contribution to journalArticle

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T1 - Pseudoarthrosis of the ilium after periacetabular osteotomy that was treated by cemented total hip arthroplasty

T2 - A case report

AU - Kanaji, Arihiko

AU - Nishiwaki, Toru

AU - Oya, Akihito

AU - Maehara, Kazuyuki

AU - Maehara, Hideki

AU - Oishi, Teruyo

AU - Yamada, Harumoto

AU - Suda, Yasunori

AU - Nakamura, Masaya

AU - Matsumoto, Morio

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N2 - Background: Preserving the hip joint to delay arthroplasty for patients with acetabular dysplasia-associated early-stage osteoarthritis has become more common, and several surgical procedures have demonstrated pain relief and improved hip joint function. Periacetabular osteotomy, one of the joint-preserving surgical procedures of the hip, provides favorable outcomes, although there are no reports of total hip arthroplasty being used to treat pseudoarthrosis of the periacetabular osteotomy segment. Therefore, we report a case of pseudoarthrosis in the osteotomy segment after periacetabular osteotomy. The patient was treated using modified total hip arthroplasty and achieved a favorable short-term outcome. Case presentation: A 62-year-old Japanese woman was diagnosed with bilateral acetabular dysplasia at the age of 50 years, and underwent right and left periacetabular osteotomy at the ages of 52 and 55 years, respectively. When she was 61-years old, she experienced repeated episodes of left coxalgia during walking, with increasing pain at rest, and subsequently visited our department. Plain radiography and computed tomography of her left hip joint confirmed pseudoarthrosis of the periacetabular osteotomy segment. In addition, narrowing of her left hip joint space was observed, which indicated advanced osteoarthritis of the hip. Therefore, she underwent left total hip arthroplasty when she was 62-years old. During the surgery, fibrous fusion of the periacetabular osteotomy segment was confirmed via fluoroscopy, although no abnormal mobility was observed. Thus, the osteotomy segment was fixed with one absorbable screw and two bone pegs (which were prepared using allogeneic bone), and the acetabular cup was fixed using cement. Her postoperative course was generally favorable and bone fusion of the periacetabular osteotomy segment was confirmed at 3 years and 6 months after surgery. Her modified Harris hip score was 43 before the surgery and had improved to 90 at the final follow-up. Conclusions: Modified total hip arthroplasty was successfully used to treat osteoarthritis of the hip and pseudoarthrosis of the periacetabular osteotomy segment. This procedure achieved pseudoarthrosis region bone fusion and a favorable postoperative outcome.

AB - Background: Preserving the hip joint to delay arthroplasty for patients with acetabular dysplasia-associated early-stage osteoarthritis has become more common, and several surgical procedures have demonstrated pain relief and improved hip joint function. Periacetabular osteotomy, one of the joint-preserving surgical procedures of the hip, provides favorable outcomes, although there are no reports of total hip arthroplasty being used to treat pseudoarthrosis of the periacetabular osteotomy segment. Therefore, we report a case of pseudoarthrosis in the osteotomy segment after periacetabular osteotomy. The patient was treated using modified total hip arthroplasty and achieved a favorable short-term outcome. Case presentation: A 62-year-old Japanese woman was diagnosed with bilateral acetabular dysplasia at the age of 50 years, and underwent right and left periacetabular osteotomy at the ages of 52 and 55 years, respectively. When she was 61-years old, she experienced repeated episodes of left coxalgia during walking, with increasing pain at rest, and subsequently visited our department. Plain radiography and computed tomography of her left hip joint confirmed pseudoarthrosis of the periacetabular osteotomy segment. In addition, narrowing of her left hip joint space was observed, which indicated advanced osteoarthritis of the hip. Therefore, she underwent left total hip arthroplasty when she was 62-years old. During the surgery, fibrous fusion of the periacetabular osteotomy segment was confirmed via fluoroscopy, although no abnormal mobility was observed. Thus, the osteotomy segment was fixed with one absorbable screw and two bone pegs (which were prepared using allogeneic bone), and the acetabular cup was fixed using cement. Her postoperative course was generally favorable and bone fusion of the periacetabular osteotomy segment was confirmed at 3 years and 6 months after surgery. Her modified Harris hip score was 43 before the surgery and had improved to 90 at the final follow-up. Conclusions: Modified total hip arthroplasty was successfully used to treat osteoarthritis of the hip and pseudoarthrosis of the periacetabular osteotomy segment. This procedure achieved pseudoarthrosis region bone fusion and a favorable postoperative outcome.

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