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Simultaneous Bilateral Joint Arthroplasties in Treatment of Osteoarthritis

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Aleksandar Radunović, Maja Vulović, Milan Aksić, Ognjen Radunović and Aleksandar Matić

Submitted: 17 October 2019 Reviewed: 09 June 2020 Published: 03 July 2020

DOI: 10.5772/intechopen.93147

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Osteoarthrosis is the most common chronic joint condition, the aetiology of which is still not completely clear. Initial phases of disease are treated conservatively applying physical rehabilitation procedures and medications. Advanced stages need surgical treatment with numerous procedures, depending on the joint affected. Joint arthroplasties are procedure of choice, especially for big joints of the extremities. As osteoarthrosis occurs bilaterally very frequently, there are a growing number of patients in need for operation of both joints. Those procedures can be performed under single anaesthesia or staged procedure, with delay between two surgeries. There are many advantages and disadvantages of both approaches cited by different authors. There is consensus of authors in available articles regarding benefits of single-stage procedure: lower cost, shorter hospital stay, single rehabilitation period and better functional results. Authors disagree about safety of a single-stage bilateral procedure as well as incidence of complications and criteria for selection of patients for safe performing of simultaneous procedure.


  • osteoarthrosis
  • hip
  • knee
  • bilateral
  • simultaneous

1. Introduction

Osteoarthrosis is the most common joint disease in humans [1]. The American College of Rheumatology defines it as a heterogeneous group of joint affections that lead to occurrence of joint symptoms and signs related to damage of joint cartilage integrity, accompanied by changes in subchondral bone and surrounding soft tissues. Aetiology of osteoarthrosis remains only partially known for the time being. It is considered to have multifactorial causes, and its occurrence is a final result of interaction of systemic factors (older age, increased body weight, etc.) as well as local risk factors (mechanical load, injuries, etc.).

Osteoarthrosis can be treated both conservatively and surgically. Conservative treatment options can be divided into pharmacological and non-pharmacological. Those two treatment modalities tend to be combined aiming at achieving best possible results.

Pharmacological therapy includes the use of analgesics, NSAID, corticosteroids, oral drugs based on glucosamine and hyaluronic acid as well as intra-articular injections of sodium hyaluronate and corticosteroids. All the abovementioned therapy modalities have very different results as explained in available reference literature. In the past decade or so, there has been a growing trend of regenerative procedures involving application of platelet-rich plasma (PRP) and stem cell therapy.

Non-pharmacological options include education of patients, reduction of body weight, exercises for muscle strengthening and stretching in order to prevent contractures, application of orthosis as well as different forms of physical rehabilitation.


2. Surgical treatment of osteoarthrosis

2.1 Osteotomies of affected joint(s)

With the development of new materials and new surgical techniques, arthroplasties of joints have become a primary solution in surgical treatment of osteoarthrosis. However, there are still certain indications for osteotomies, especially for osteoarthrosis of lower leg big joints among young adults, aiming to postpone a total joint arthroplasty. Some studies show that at least 40% of patients with performed osteotomies need a total joint arthroplasty only a few years later [2, 3].

2.2 Arthrodesis

Arthrodesis is a surgical fusion of joints. Nowadays it is rarely performed in big joints, mostly as salvage procedure for treating infection after failed arthroplasty. Arthrodesis is more frequently used in treating osteoarthrosis of small joints in the foot.

2.3 Joint arthroplasties

At this moment, joint arthroplasties are the most preferred solution for degenerative changes in big joints, especially the knees, hips and shoulders. There are numerous reports of arthroplasties of these three joints in last few decades, showing excellent functional results and patient satisfaction. As about elbows, ankles, and small joints of the hands and feet, reported arthroplasty outcomes are still not comparable with those in the hips, knees and shoulders.

There are many different forms of joint arthroplasties regarding types of fixation, articular surfaces and materials used for fabricating artificial joints, regardless of whether only one or both articular surfaces of the joint are involved in arthroplasty.


3. Simultaneous bilateral joint arthroplasties

When discussing bilateral joint arthroplasties performed as a single procedure, we are exclusively considering hip and knee arthroplasties. A single-stage bilateral arthroplasties of other joints are not routinely performed, and there are only a few articles dealing with patients when both shoulders were operated in a single procedure. In addition to this, a number of patients mentioned in those articles are quite small [4, 5].

3.1 A single-stage bilateral hip and knee arthroplasty

Osteoarthrosis of the hip (coxarthrosis) occurs at 4% of the population, and 40–70% percent of patients with coxarthrosis have both hips affected [6, 7] (Figure 1). It is considered that 97% of patients with bilateral coxarthrosis will be in need for arthroplasty of the second hip as well [8] (Figure 2). With osteoarthrosis of the knee (gonarthrosis), it is estimated that 10% of patients older than 55 years have clinical symptoms of gonarthrosis [9], with 30–50% of patients having both knees affected and will be in need of bilateral surgery [10, 11] (Figures 3 and 4). Patients with bilateral hip or knee osteoarthritis can be surgically treated in a single procedure, by replacing both hip and knee joints under single anaesthesia, or they could be treated in a two-stage procedure with a break between two procedures. Period between two procedures significantly differs among authors. Having in mind differences among authors when it comes to bilateral hip and knee arthroplasties in a single procedure, we shall analyse them separately.

Figure 1.

Bilateral coxarthrosis.

Figure 2.

Simultaneous bilateral total hip arthroplasty.

Figure 3.

Bilateral gonarthrosis.

Figure 4.

Simultaneous bilateral knee arthroplasty.

3.2 Simultaneous bilateral total hip arthroplasty

The first simultaneous bilateral total hip arthroplasty was published in 1967 [12]. Jaffe and Charnley published an article in 1971, analysing results of this procedure in 50 patients [13]. Authors found minimally increased risk of complications in a simultaneous group compared to a staged group and noticed advantages of the simultaneous procedure: a single anaesthesia, a single rehabilitation period and shorter hospital days (unlike two hospital slots in a staged procedure). In the succeeding years, multiple authors will have published their results with performing a single-stage bilateral total hip arthroplasty, with lack of consensus regarding safety of procedure, patient selection and frequency of complications. At the same time, authors agreed about benefits of this simultaneous procedure: a significantly better functional recovery and rehabilitation. Some authors have even claimed that a full functional recovery of patient is possible only after implantation of endoprosthesis in both hips and that functional scores on operated hips are lower if only one hip is operated than in patients with both hips operated in the same procedure [14]. Patients operated in a single procedure achieved better range of movement and better functional satisfaction without significant difference in pain [15]. There are also discrepancies when it comes to the period of time recommended between two surgeries in a staged procedure. Most authors prefer a period ranging from 3 to 6 months between two hip replacements. There was also a strategy of staged surgery during same hospitalization within 7–10 days between two operations. This one has however been abandoned due to significantly increased number of complications reported in majority of studies.

Authors unanimously agree that simultaneous procedure decreases hospital expenses, numbers of hospital days as well as length of rehabilitation [16, 17, 18, 19, 20, 21, 22]. It is estimated that hospital costs are reduced by 24–35%. Some authors quote shorter sick leave from work as an additional advantage. There are no studies that have analysed additional expenses (home care services, public services for patient care); hence we may assume that that real savings are even higher.

While discussing financial side effects of the procedure itself, it is interesting to mention that some authors fail to recommend performing a single-stage procedure due to lower income for the surgeon and hospital [23, 24].

Authors’ opinions differ regarding selection of patients as well as the type and frequency of complications. Comorbidity is the most important factor when deciding about a safe performance of a bilateral single-stage procedure. Some authors use general determinants such as patients without significant comorbidity, with good general health and who are younger and healthier [17, 25, 26, 27].

While analysing articles that tried to objectivize selection of patients, it is noticeable that American Society of Anesthesiologists (ASA) scoring system is almost exclusively used (see below).

  • ASA 1: A normal healthy patient.

  • ASA 2: A patient with a mild systemic disease.

  • ASA 3: A patient with a severe systemic disease that is not life-threatening.

  • ASA 4: A patient with a severe systemic disease that is a constant threat to life.

  • ASA 5: A moribund patient who is not expected to survive without the operation.

  • ASA 6: A declared brain-dead patient whose organs are being removed for donor purposes.

Authors’ opinions about groups of ASA scoring systems eligible for safe performance of bilateral single-stage surgery differ as well. Some recommend performing a simultaneous procedure with ASA 1 and 2 [28, 29, 30], others suggest this surgery on patients from ASA 1–4 groups [31], some of them say those are patients in ASA 1 and 2 and probably ASA 3 and 4, while certain authors find no differences in complications with patients belonging to ASA 1–3 [32].

One of the major issues with bilateral simultaneous procedure was a theoretical possibility of a higher incidence of thromboembolic complications caused by a prolonged surgical procedure as one of the best-known triggers for this kind of complication [27, 33]. Earlier publications dealing with simultaneous bilateral hip arthroplasty reported a higher rate of pulmonary embolism and a slightly higher mortality rate while performing this procedure [33, 34, 35]. Improvements in surgical technique, anaesthesiology (introduction of hypotensive anaesthesia), anticoagulant therapy and early mobilisation showed decrease in numbers of reported complications of this type. Berend and Glait [36, 37] found increased incidence rate of pulmonary thromboembolism, while majority of other authors did not mention similar findings [20, 38, 39, 40, 41]. Some of the authors who failed to find any thromboembolic complications in their series of simultaneous procedures explain this as a better adaptation of a patient to mobilisation protocols when both hips are operated.

Majority of authors reported higher need for transfusion in a simultaneous group [20, 24, 29, 32, 38, 42, 43]. Bhan found lower estimated blood loss in simultaneous group but higher number of transfusions [19]. He explained that in a staged group, blood loss is a sum of losses in two surgeries that are separated long enough for organism to compensate loss from first surgery. Some authors did not discover any increased blood loss in a simultaneous group [17, 25, 37, 44]. Glait pointed out that an increased need for transfusion can be expected if a simultaneous procedure is performed by a less experienced surgeon [37].

3.3 Simultaneous bilateral total knee replacement

While history of bilateral total hip replacement is very well documented, there are almost no papers of a single-stage total knee replacement background. There is a trend of growing number of performed TKA. In the period from 1990 to 2004, number of bilateral total knee replacements doubled and even tripled in female population [45].

Similar to bilateral simultaneous hip arthroplasties, there are certain differences among authors regarding safety of the procedure, potential complications and consensus over its benefits. Overall savings from simultaneous procedure are estimated to be 20–58% with the following contributing factors: fewer hospital days, single medical consultations, single anaesthesia and single rehabilitation period [18, 46]. It is also found by majority of authors that patients in a single-stage group experience equal or better functional result and satisfaction [47, 48]. In one study, 95% of patients would rather choose a single-stage procedure all over again, demonstrating high level of satisfaction [46]. Differences among authors apply to potential increased risk of systemic and local complications, as well as to mortality rate following the procedure itself. Some register studies (the USA and Sweden) found increased morbidity and mortality rate [49, 50], while data from New Zealand arthroplasty registry show no differences between two procedures in same terms [51]. Many authors have discovered with their series of patients an increased risk in systemic complications in a single-stage group [52, 53, 54, 55], while a few found no difference in the incidence of complications [47, 56, 57, 58]. As per selection of patients, there are only several articles recommending application of the scoring system (ASA, see above). Hadley et al. recommend performing the procedure only in ASA 1 and 2 groups [58], while several authors say this procedure is safe with ASA 1–3 groups as well [59, 60, 61]. All authors agree there is an increased blood loss in a simultaneous group [52, 58, 62].


4. Conclusion

While planning and selecting patients with bilateral osteoarthritis of big joints, it is essential to balance between medical and economic efficiency of simultaneous bilateral procedures and safety of patients. As majority of patients in need of bilateral surgery have significant comorbidity, it is of crucial importance to standardise perioperative protocols for selection and follow-up of patients. Multidisciplinary approach in a patient perception is of upmost importance; hence it is recommended this procedure is performed in facilities enabling this and by highly trained and experienced surgeons.


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Written By

Aleksandar Radunović, Maja Vulović, Milan Aksić, Ognjen Radunović and Aleksandar Matić

Submitted: 17 October 2019 Reviewed: 09 June 2020 Published: 03 July 2020