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[Risk factors for hip osteoarthritis after arthroscopy in patients with femoroacetabular impingement]
Lei Ke1, Wen-Guan Kou2, Chen Ma2
1Department of Pain, Minimally Invasive Spine, Cangzhou People's Hospital, Cangzhou 061000, Hebei, China.
Insights
This study identified key risk factors for hip osteoarthritis (HOA) following hip arthroscopy in patients with femoro-acetabular impingement (FAI) syndrome. Understanding these factors, including FAI classification and body mass index, can help prevent HOA development.
Area of Science:
- Orthopedics
- Sports Medicine
- Radiology
Context:
- Femoro-acetabular impingement (FAI) syndrome is a common cause of hip pain.
- Hip arthroscopy is a surgical procedure used to treat FAI.
- Hip osteoarthritis (HOA) can develop after hip arthroscopy in FAI patients.
Purpose:
- To investigate risk factors for hip osteoarthritis (HOA) after hip arthroscopy in patients with femoro-acetabular impingement (FAI) syndrome.
- To identify strategies for reducing and preventing HOA post-surgery.
Summary:
- A study followed 106 patients with FAI who underwent hip arthroscopy.
- Multivariate logistic regression identified cam type FAI, BMI > 30 kg/m², limited hip internal rotation ROM, and Tönnis grade 1 as significant risk factors for HOA.
- Higher Tönnis grade and reduced range of motion (ROM) were observed in the HOA group.
Impact:
- Findings highlight the importance of considering FAI classification, BMI, hip ROM, and Tönnis grade in managing FAI patients.
- This research can inform targeted interventions and follow-up protocols for high-risk FAI patients to mitigate HOA development.
- Improved patient outcomes and reduced long-term morbidity associated with hip osteoarthritis.
Objective:
To investigate the risk factors of hip osteoarthritis（HOA） after hip arthroscopy in patients with femoro-acetabular impingement（FAI） syndrome, and to reduce and prevent HOA.
Methods:
From September 2018 to September 2020, 106 patients with FAI underwent hip arthroscopy, including 40 males and 66 females, aged from 20 to 55 years old with an average age of （33.05±10.19） years old. The mechanism of injury included 51 cases for sports injury, 36 for traffic accidents, and 19 for blunt object injury. The duration of the disease ranged from 5 to 19 days with an average of （12.02±3.69） days. All patients were followed up for 18 months. Patients were divided into HOA group （23 cases） and non-HOA group （83 cases） according to the occurrence of HOA. Multivariate Logistic regression was used to analyze the risk factors of HOA after hip arthroscopy in FAI patients.
Results:
By univariate analysis, aged from 50 to 70 years old, female, body mass index（BMI）> 30 kg·m-2, physical labor, cam type, postoperative infection, last follow-up hip degree of motion （range of motion, ROM） （flexion, abduction, adduction, internal rotation） and Tönnis grade 1 and above of the HOA group were higher than those of the non-HOA group （P<0.05）, and the relative appendicular skeletal muscle index （RASM） was lower than that of non-HOA group（P<0.05）. By multiple Logistic regression analysis, cam type, BMI>30 kg·m-2, last follow-up hip internal rotation ROM and Tönnis grade 1 were risk factors for HOA after hip arthroscopy in FAI patients （P<0.05）.
Conclusion:
FAI classification, body mass index, hip ROM and Tönnis grade are all related to HOA after hip arthroscopy in FAI patients. Follow-up and intervention should be strengthened in high-risk FAI patients to reduce the occurrence of HOA.
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