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. 2024 May 31;24(1):172.
doi: 10.1186/s12893-024-02450-y.

Bilateral simultaneous hip and knee replacement: an epidemiological nationwide study from 2001 to 2016

Umile Giuseppe Longo  1   2 , Rocco Papalia  3   4 , Alessandro Mazzola  3   4 , Stefano Campi  3   4 , Sergio De Salvatore  4   5 , Vincenzo Candela  3   4 , Andrea Vaiano  6 , Ilaria Piergentili  3   4 , Vincenzo Denaro  3   4
Affiliations

Bilateral simultaneous hip and knee replacement: an epidemiological nationwide study from 2001 to 2016

Umile Giuseppe Longo et al. BMC Surg. .

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.

Keywords: Bilateral; Demographic; Epidemiology; Hip; Joint; Knee; Replacement; Simultaneous.

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Conflict of interest statement

The authors declare that they have no competing interests.

Figures

Fig. 1
Fig. 1
Incidence of bilateral simultaneous THA per 100,000 residents by 2001 to 2015 in Italy
Fig. 2
Fig. 2
Bilateral simultaneous THA in the study period stratified for gender
Fig. 3
Fig. 3
Average age of male and female patients undergoing bilateral simultaneous THA over the study period
Fig. 4
Fig. 4
Mean days of hospital stay for patients undergone bilateral simultaneous THA from 2001 to 2015
Fig. 5
Fig. 5
Main primary diagnoses (according to the ICD-9-CM) requiring bilateral simultaneous THA from 2001 to 2015
Fig. 6
Fig. 6
Incidence of bilateral simultaneous TKA per 100,000 residents by 2001 to 2016 in Italy
Fig. 7
Fig. 7
Bilateral simultaneous TKA in the study period stratified for gender
Fig. 8
Fig. 8
Average age of male and female patients undergoing bilateral simultaneous TKA over the study period
Fig. 9
Fig. 9
Mean days of hospital stay for patients undergone bilateral simultaneous TKA from 2001 to 2016
Fig. 10
Fig. 10
Main primary diagnoses (according to the ICD-9-CM) requiring bilateral simultaneous TKA from 2001 to 2016
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