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Abstract：
BACKGROUND: Several studies have compared the pros and cons of simultaneous bilateral versus staged bilateral hip and knee replacement but the outcomes of these two surgical options remains a matter of controversy. This study aimed to evaluate demographic features, incidence and hospitalization rates of bilateral one stage total hip and knee arthroplasty in Italy.
METHODS: The Italian Ministry of Health\'s National Hospital Discharge Reports (SDO) were used to gather data. This study referred to the adult population (+ 20 years of age) from 2001 to 2015 for hip arthroplasty and from 2001 to 2016 for knee arthroplasty.
RESULTS: Overall, 1,544 bilateral simultaneous hip replacement were carried out. The incidence rate was 0.21 cases per 100,000 adult Italian residents. Male/female ratio was 1.1. The average days of hospital stay was 11.7 ± 11.8 days. The main primary codified diagnosis was: osteoarthrosis, localized, primary, pelvic region and thigh (ICD code: 715.15). 2,851 bilateral simultaneous knee replacement were carried out. The incidence rate was 0.37 cases per 100,000 adult Italian residents. Male/female ratio was 0.6. The average days of hospital stay was 7.7 ± 5.8 days. The main primary codified diagnosis was: osteoarthrosis, localized, primary, lower leg (ICD code: 715.16).
CONCLUSIONS: The burden of hip and knee osteoarthrosis as a leading cause of bilateral joint replacement is significant in Italy. The national registers\' longitudinal analysis may provide data for establishing international guidelines regarding the appropriate indications for one stage bilateral simultaneous hip or knee replacement versus two stage.
METHODS: The Italian Ministry of Health\'s National Hospital Discharge Reports (SDO) were used to gather data. This study referred to the adult population (+ 20 years of age) from 2001 to 2015 for hip arthroplasty and from 2001 to 2016 for knee arthroplasty.
RESULTS: Overall, 1,544 bilateral simultaneous hip replacement were carried out. The incidence rate was 0.21 cases per 100,000 adult Italian residents. Male/female ratio was 1.1. The average days of hospital stay was 11.7 ± 11.8 days. The main primary codified diagnosis was: osteoarthrosis, localized, primary, pelvic region and thigh (ICD code: 715.15). 2,851 bilateral simultaneous knee replacement were carried out. The incidence rate was 0.37 cases per 100,000 adult Italian residents. Male/female ratio was 0.6. The average days of hospital stay was 7.7 ± 5.8 days. The main primary codified diagnosis was: osteoarthrosis, localized, primary, lower leg (ICD code: 715.16).
CONCLUSIONS: The burden of hip and knee osteoarthrosis as a leading cause of bilateral joint replacement is significant in Italy. The national registers\' longitudinal analysis may provide data for establishing international guidelines regarding the appropriate indications for one stage bilateral simultaneous hip or knee replacement versus two stage.
摘要：
背景：一些研究比较了同期双侧和分期双侧髋和膝关节置换的利弊，但这两种手术选择的结果仍然存在争议。本研究旨在评估人口统计特征，意大利双侧一期全髋关节和膝关节置换术的发生率和住院率。
方法：使用意大利卫生部的国家医院出院报告（SDO）收集数据。这项研究涉及2001年至2015年进行髋关节置换术和2001年至2016年进行膝关节置换术的成年人（20岁以上）。
结果：总体而言，进行了1,544例双侧同期髋关节置换术。发病率为每100,000名成年意大利居民0.21例。男女比例为1.1。平均住院天数为11.7±11.8天。主要的编码诊断是：骨关节炎，局部化,小学,骨盆区和大腿（ICD代码：715.15）。进行了2,851例双侧同时膝关节置换。发病率为每100,000名成年意大利居民0.37例。男女比例为0.6。平均住院天数为7.7±5.8天。主要的编码诊断是：骨关节炎，局部化,小学,小腿（ICD代码：715.16）。
结论：在意大利，作为双侧关节置换的主要原因，髋和膝骨关节炎的负担是显著的。国家登记纵向分析可以为建立国际指南提供数据，该指南涉及一个阶段双侧同时进行髋关节或膝关节置换与两个阶段的适当适应症。
方法：使用意大利卫生部的国家医院出院报告（SDO）收集数据。这项研究涉及2001年至2015年进行髋关节置换术和2001年至2016年进行膝关节置换术的成年人（20岁以上）。
结果：总体而言，进行了1,544例双侧同期髋关节置换术。发病率为每100,000名成年意大利居民0.21例。男女比例为1.1。平均住院天数为11.7±11.8天。主要的编码诊断是：骨关节炎，局部化,小学,骨盆区和大腿（ICD代码：715.15）。进行了2,851例双侧同时膝关节置换。发病率为每100,000名成年意大利居民0.37例。男女比例为0.6。平均住院天数为7.7±5.8天。主要的编码诊断是：骨关节炎，局部化,小学,小腿（ICD代码：715.16）。
结论：在意大利，作为双侧关节置换的主要原因，髋和膝骨关节炎的负担是显著的。国家登记纵向分析可以为建立国际指南提供数据，该指南涉及一个阶段双侧同时进行髋关节或膝关节置换与两个阶段的适当适应症。
