Navigated Versus Mechanical Knee Replacement: Comparison Between Initial Navigated and Conventional Cases Performed by the Same Surgeon

Pacheco, Alexandre Pagotto; Filho, Oswaldo Taglietta; Albuquerque, Roberto Freire da Mota e; Brambilla, Alessandra Cristina

doi:10.1016/s2255-4971(15)30112-9

Cited by 2 publications

(4 citation statements)

References 15 publications

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“…Similar finding with our study was also observed in study by Pacheco et al 16 In their study, the surgeon was already expert in conventional TKA, but had just been trained in computerassisted navigation TKA. This situation is also reflected in our study.…”

Section: Discussionsupporting

confidence: 93%

Postoperative Functional and Radiological Outcome Comparison of Computer-assisted and Conventional Total Knee Arthroplasty at 6 Months Follow-up: A Cross Sectional Study

Budimansyah

Dilogo

Sumargono³

2020

Hip Knee J.

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Background. Computer-assisted navigation TKA has just been adapted in Indonesia for the last decade. The method is aiming to achieve more precise mechanical alignment in TKA. However, controversies still exist especially in terms of functional outcome and radiological outcome.Method. Fifty elderly patients aged more than 50 years old with severe knee osteoarthritis (Kellgren Lawrence stage III or IV) who scheduled for TKA surgery in the first half of 2019 were consecutively sampled. All patients were measured for objective functional status with Western Ontario Mac Master University Index (WOMAC) and Oxford Knee Score (OKS). Weight-bearing, long-leg follow-up radiographs of both lower limbs were taken, and coronal tibiofemoral angle (CTFA), coronal femoral component angle (CFCA) and coronal tibial component angle (CTCA) were measured.Results. Group of computer-assisted navigation TKA surgery was found to have significantly lower WOMAC score (p0.05) and higher OKS score (p0.05). Although not statistically significant, greater angle of deviation is observed in the conventional TKA surgery group. Proportions with deviation of less than 3º were found more in the group using computer navigation.Discussion. The results of this study indicate the advantage of using a computer assisted system in TKA procedure, in terms of better functional outcome. However, our study only measures mechanical alignment from coronal plane and short term follow up time. Other parameter measurement, such as mechanical alignment on sagittal plane, rotational alignment, and soft tissue balance are also important to determine the success rate of TKA procedure.Conclusion. Patients who had TKA surgery under computer-assisted navigation would benefit a better functional outcome if compared with conventional TKA surgery, as measured with WOMAC and OKS. However, there is no significant difference in terms of radiographic value of coronal-plane mechanical deviation on both methods.

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Section: Discussionsupporting

confidence: 93%

Postoperative Functional and Radiological Outcome Comparison of Computer-assisted and Conventional Total Knee Arthroplasty at 6 Months Follow-up: A Cross Sectional Study

Budimansyah

Dilogo

Sumargono³

2020

Hip Knee J.

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Section: 3mentioning

confidence: 99%

“…1 This procedure has become quite common, especially in the last two decades due to the aging of population and to the growing number of obese people. undergoing surgery will show these symptoms.…”

Section: ■ Introductionmentioning

confidence: 99%

“…Therefore, disabling these nerve fibers by electrocautery could, in theory, achieve a satisfactory level of denervation and, consequently, reduce local pain. 1,6 Studies have shown a positive effect of patellar denervation in reducing the incidence of AKP. 7,8 A recent meta-analysis demonstrated that patellar denervation Following the routine of this medical center, all patients included for TKA as treatment for osteoarthritis were submitted a standard anamnesis and physical examination, which produced, among other data, knee flexion and extension degrees, using a por-goniometer (Grafco Orthopedic Goniometer 8, Medex Supply ® ), as well scores for KSS, WOMAC, pain VAS.…”

Section: ■ Introductionmentioning

confidence: 99%

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Patellar denervation for Anterior Knee Pain Management in Knee Arthroplasty

et al. 2017

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OBJECTIVE:To compare the effectiveness of patellar denervation versus non-patellar denervation in reducing anterior knee pain on a follow-up period of at least one year after total knee arthroplasty. METHOD: Data from 84 patients, who underwent total knee arthroplasty were analyzed. Participants were divided into 2 groups; group A: 42 patients who previously underwent total knee arthroplasty with patellar denervation; and group B: 42 patients who previously underwent total knee arthroplasty without patellar denervation. Results were evaluated using WOMAC and KSS questionnaires, and the VAS pain measurement. Knee ranges of motion were measured. Preoperative clinical conditions of both groups were similar. RESULTS: Postoperatively, the following results were observed. (a), the WOMAC scores for group A were significant better when compared to group B (27.95 ± 5.89 vs. 33,55 ± 6.23; (b) better results were also found in KSS scores for group A vs. group B (86.19 ± 7.10 vs. 83,07 ± 4.88); (c) the range of knee flexion was smaller than in group A vs. group B (119.0 ± 10.7 vs 125.5 ± 11.0 degrees); (d) there was no significant difference between the mean of range of knee extension between the two groups groups; (e) in terms pain referred by the patient, no difference was observed according to VAS pain. CONCLUSION: Patellar denervation does not show better effect in pain reduction compared with TKA with non-patellar denervation. However, it had a better beneficial effect on knee function score, as measured through the KSS and WOMAC questionnaires. This procedure has become quite common, especially in the last two decades due to the aging of population and to the growing number of obese people. 2,3One of the most common problems during the postoperative period of this procedure is the incidence of anterior knee pain (AKP). About 10 to 15% of patients undergoing surgery will show these symptoms. It is noteworthy that the presence of pain is of utmost importance when evaluating the results of TKA, because patient satisfaction is linked to its presence or absence during the postoperative period. 4,5 Some authors assign the AKP to the distribution of nerve fibers and P-substance in soft tissues around the knee, suggesting a relation with hyper-innervation of peripatellar soft tissues. Therefore, disabling these nerve fibers by electrocautery could, in theory, achieve a satisfactory level of denervation and, consequently, reduce local pain. 1,6 Studies have shown a positive effect of patellar denervation in reducing the incidence of AKP. 7,8 A recent meta-analysis demonstrated that patellar denervation

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Navigated Versus Mechanical Knee Replacement: Comparison Between Initial Navigated and Conventional Cases Performed by the Same Surgeon

Cited by 2 publications

References 15 publications

Postoperative Functional and Radiological Outcome Comparison of Computer-assisted and Conventional Total Knee Arthroplasty at 6 Months Follow-up: A Cross Sectional Study

Postoperative Functional and Radiological Outcome Comparison of Computer-assisted and Conventional Total Knee Arthroplasty at 6 Months Follow-up: A Cross Sectional Study

Patellar denervation for Anterior Knee Pain Management in Knee Arthroplasty

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