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Short-term Results of Total Hip Arthroplasty Cases with Osteonecrosis of the Hip
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Research Article
VOLUME: 73 ISSUE: 3
P: 266-269
December 2020

Short-term Results of Total Hip Arthroplasty Cases with Osteonecrosis of the Hip

J Ankara Univ Fac Med 2020;73(3):266-269
DOI: 10.4274/atfm.galenos.2020.92905
Hakan Kocaoğlu
Abdullah Merter
Mustafa Onur Karaca
Emre Anıl Özbek
1. Ankara Üniversitesi Tıp Fakültesi, Ortopedi ve Travmatoloji Anabilim Dalı, Ankara, Türkiye
No information available.
No information available
Received Date: 10.07.2020
Accepted Date: 11.07.2020
Publish Date: 27.10.2020
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ABSTRACT

Objectives:

Avascular necrosis (AVN) of the femoral head is a type of osteonecrosis caused by impaired blood flow to the proximal femur. Femoral head collapse and coxarthrosis are seen in more than 30% of the patients with AVN of femur, and the only definitive treatment in this group is hip arthroplasty (THA). The post-operative results of this distinct cohort, whose age, demographic characteristics and activity status are very different from advanced age hip arthroplasty patients, have not been generally studied in the literature. With this study, we aimed to examine the demography and early results and complications of patients who underwent THA for coxarthrosis developing on the basis of AVN of the femur in our center.

Materials and Methods:

Demographic data, comorbidities, corticosteroid and smoking history of patients who underwent THA due to the etiology of AVN in the 4th stage-university orthopedics and traumatology clinic between 2015 and 2018 were evaluated, preoperative X-rays and magnetic resonance images, postoperative 1st year complications were evaluated. In addition, the Harris hip score (HHS) was compared to examine the hip functional status of patients before and after the surgery.

Results:

The mean age of 44 patients was 42.1±11.6 years, and 34 (77.3%) were male and 10 (22.7%) were female. While 14 (32%) of the patients had a smoking history, 22 (50%) patients had a history of using corticosteroid drugs. In 17 patients, AVN was bilaterally, and in four patients both hips were operated at different times due to arthrosis. The mean follow-up period after the surgery was 19±7 (12-37) months. HHS mean value of the patients evaluated preoperatively was 59.6 (±7.7), while the mean HHS score measured at the last postoperative follow-up was 95.8 (±7.1). Functional hip scores of patients improved significantly (p=0.003).

Conclusion:

THA, which has been performed in the presence of advanced AVN of the femur, is a safe and successful method. The pain of patients decreases significantly, and their functional results improve.

Keywords: Osteonecrosis, Arthroplasty, Hip

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