Patient-Perceived Recovery and Outcomes After Silastic Implant Arthroplasty

Rushing, Calvin J.; Rathnayake, Viraj; Oxios, Adam J.; Galan, Gabriel P.; Ramil, Madelin; Spinner, Steven M.; Hardigan, Patrick C.

doi:10.1053/j.jfas.2018.03.040

Cited by 4 publications

(3 citation statements)

References 38 publications

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“…Silicone implants are frequently used for arthroplasty of the metatarsophalangeal joint which is damaged due to diseases such as osteoarthritis or rheumatoid arthritis that generate alterations of gait [1][2][3][4] and limitations in daily activities. 5 The joint replacement with an implant is one of the various forms of surgical treatment for advanced stages of the pathology hallux rigidus.…”

Section: Introductionmentioning

confidence: 99%

Structural assessment of pre-flexion in silicone implants for arthroplasty of the first metatarsophalangeal joint

Campos

Lesso

Bayod-López

et al. 2022

Proc Inst Mech Eng H

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The development of numerical models to analyze pathologies and implants related to the first metatarsophalangeal joint of the foot remains an issue for attention. The structural effects of implants pre-flexion have been discarded in several finite elements analyses due to complexities to achieve these positions. This work aims to evaluate if the pre-flexion stress state should be included or could be discarded when only flexion is applied in two different silicone commercial implants, Swanson and Tornier, during a gait cycle. Finite element models were created for silicone implants. Both models were discretized using high-order finite elements. The hyperelasticity constitutive material model of Arruda-Boyce was used, based on experimental data; its behavior was compared with linear elastic models reported and used frequently assuming small and large deformations and applying to the Swanson and Tornier implants a flexion angle of 64°, which corresponds to in vivo measurements reported after implantation. Comparison between models, regarding hyperelastic model, showed mean variations of up to 32.5% for stresses and 14.01% for bending moment in Swanson implant, while for Tornier implant mean variations of 29.73% and 632.55% was obtained for stress and bending moment respectively. The maximum stress value obtained for the hyperelastic model in the Swanson implant reached a value of 22.82% of the tensile strength of the implant material while in the Tornier implant reached a value of 25.92%, the above values were evaluated at a flexion angle of 64°. The results suggest considering in finite element analyses not only the stress state generated to achieve critical flexion position in pleflexed implants models but also the hyperelastic material behavior of silicone for implants to avoid dismissing the non-linear structural behavior of hyperelastic materials.

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Section: Introductionmentioning

confidence: 99%

Structural assessment of pre-flexion in silicone implants for arthroplasty of the first metatarsophalangeal joint

Campos

Lesso

Bayod-López

et al. 2022

Proc Inst Mech Eng H

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“…Results. Overall, the mean VAS reported to the residents (4.97 ± 2.75) [1][2][3] Bundled payments reimbursing physicians based on the quality and value of the care delivered continue to supersede traditional fee-for-service models, as governments and third party payees attempt to standardize fee schedules to better align with financial incentives geared toward cost containment. 4 In the current era of health care reform, value is defined as the outcome of an intervention as assessed by subjective (satisfaction, experience, clinical examination, imaging) and/or objective methods (PROMs, PROMIS), relative to its cost (value = outcome/ cost).…”

Section: Introductionmentioning

confidence: 99%

“…5 Although physicians, third party payees, and governments are all interested in defining and improving treatment outcomes, relying on one assessment method over the other (subjective vs objective) can lead to false impressions, as can methods incorporating both. 3,6 Moreover, despite the increased reliance on PROMs within the orthopaedic community, implementation into routine clinical practice remains far from ubiquitous, and ambiguity exists regarding how PROMs change over time, at what temporal points they should be collected, and by whom.…”

Section: Introductionmentioning

confidence: 99%

The Visual Analogue Scale for Pain: A Comparison of Scores Reported to Residents Versus an Attending Foot and Ankle Surgeon

Rushing

Spinner

Hardigan

2019

Foot & Ankle Specialist

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Background. Recent studies have raised concerns regarding the usefulness of the visual analogue scale (VAS) as an effective outpatient patient-reported outcome measure (PROM), with disparate scores reported during the same encounter to a nurse versus physician. The purpose of present study was to assess the VAS reported by new patient referrals to 2 different physicians of varying training levels (resident, attending), during the same initial outpatient encounter. Methods. One hundred and one patients treated by a single foot and ankle surgeon were included in the retrospective cohort. Each patient was asked to rate their pain intensity by a resident, and then by the attending surgeon using a standard horizontal VAS 0 to 10, from “no pain” to the “worst pain.” Differences in reported scores were analyzed. Results. Overall, the mean VAS reported to the residents (4.97 ± 2.75) and the attending surgeon (5.02 ± 2.71) were not significantly different ( P = .61). On the 11-point scale, the mean difference accounted for only 0.05 points. Conclusion. Taken into consideration with previous studies, the data suggest collection personnel may influence the reported VAS, possibly owing to patients’ preferences and perception of their care. Although the exact reasons remain unclear, our findings lend credence to the previous concerns expressed regarding the subjective nature of the VAS. Levels of Evidence: Level III: Comparative study

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Post-operative management after total ankle arthroplasty: A systematic review of the literature

Mazzotti

Viglione

Gerardi

et al. 2022

Foot and Ankle Surgery

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Patient-Perceived Recovery and Outcomes After Silastic Implant Arthroplasty

Cited by 4 publications

References 38 publications

Structural assessment of pre-flexion in silicone implants for arthroplasty of the first metatarsophalangeal joint

Structural assessment of pre-flexion in silicone implants for arthroplasty of the first metatarsophalangeal joint

The Visual Analogue Scale for Pain: A Comparison of Scores Reported to Residents Versus an Attending Foot and Ankle Surgeon

Post-operative management after total ankle arthroplasty: A systematic review of the literature

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