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1.
J Arthroplasty ; 38(6): 998-1003, 2023 06.
Artigo em Inglês | MEDLINE | ID: mdl-36535446

RESUMO

BACKGROUND: Conversion hip arthroplasty is defined as a patient who has had prior open or arthroscopic hip surgery with or without retained hardware that is removed and replaced with arthroplasty components. Currently, it is classified under the same diagnosis-related group as primary total hip arthroplasty (THA); however, it frequently requires a higher cost of care. METHODS: A retrospective study of 228 conversion THA procedures in an orthopaedic specialty hospital was performed. Propensity score matching was used to compare the study group to a cohort of 510 primary THA patients by age, body mass index, sex, and American Society of Anesthesiologists score. These matched groups were compared based on total costs, implants used, operative times, length of stay (LOS), readmissions, and complications. RESULTS: Conversion THA incurred 25% more mean total costs compared to primary THA (P < .05), longer lengths of surgery (154 versus 122 minutes), and hospital LOS (2.1 versus 1.56 days). A subgroup analysis showed a 57% increased cost for cephalomedullary nail conversion, 34% increased cost for sliding hip screw, 33% for acetabular open reduction and internal fixation conversion, and 10% increased costs in closed reduction and percutaneous pinning conversions (all P < .05). There were 5 intraoperative complications in the conversion group versus none in the primary THA group (P < .01), with no statistically significant difference in readmissions. CONCLUSION: Conversion THA is significantly more costly than primary THA and has longer surgical times and greater LOS. Specifically, conversion THA with retained implants had the greatest impact on cost.


Assuntos
Artroplastia de Quadril , Humanos , Artroplastia de Quadril/efeitos adversos , Estudos Retrospectivos , Grupos Diagnósticos Relacionados , Complicações Intraoperatórias , Tempo de Internação , Complicações Pós-Operatórias/etiologia
2.
J Arthroplasty ; 38(7 Suppl 2): S405-S411, 2023 07.
Artigo em Inglês | MEDLINE | ID: mdl-37257789

RESUMO

BACKGROUND: Functional antibiotic hip spacers for treatment of periprosthetic joint infection may be retained in patients deemed too sick for reimplantation, or who elect to forego additional surgery. Our aim was to characterize reoperations, modes of failure, and function outcomes in patients who have retained hip spacers. METHODS: We performed a retrospective review of 43 hips that underwent placement of an articulating hip spacer between January 1, 2014 and November 30, 2021. There were 28 hips that completed 2-stage exchange (TS group) and were reimplanted at mean 4 months (range, 2 to 10). The other 15 hips underwent planned spacer retention (RS group). Mean follow-up was 2.9 years (range, 1 to 6.1 years). The RS group was older (74 versus 66 years, P = .005) and had a higher age-adjusted Charlson Comorbidity Index (4.4 versus 3.3, P = .04) compared with the TS group. RESULTS: Overall survivorship free of reinfection was 91% at 1 year and 86% at 5 years. There were 6 RS hips that underwent reimplantation for spacer failure at a mean of 23 months (range, 6 to 71 months) and 8 had radiographic stem loosening/subsidence. Patients who had a retained spacer at final follow-up were more likely to require a walker (P = .005) or wheelchair (P = .049) compared with patients who underwent reimplantation. CONCLUSIONS: Retained hip spacers can decrease overall surgical burden, but are associated with high rates of stem loosening, subsidence, and unplanned reoperation. Planned spacer retention should be undertaken with caution in patients healthy enough to undergo reimplantation.


Assuntos
Artrite Infecciosa , Artroplastia de Quadril , Prótese de Quadril , Infecções Relacionadas à Prótese , Humanos , Reoperação , Artroplastia de Quadril/efeitos adversos , Antibacterianos/uso terapêutico , Prótese de Quadril/efeitos adversos , Artrite Infecciosa/cirurgia , Estudos Retrospectivos , Infecções Relacionadas à Prótese/tratamento farmacológico , Infecções Relacionadas à Prótese/etiologia , Infecções Relacionadas à Prótese/cirurgia , Resultado do Tratamento
3.
Dev Med Child Neurol ; 62(12): 1429-1436, 2020 12.
Artigo em Inglês | MEDLINE | ID: mdl-32914885

RESUMO

AIM: To monitor functional auditory and non-verbal cognitive skills in children with cochlear implants who had associated disabilities over a 24-month period and define how cochlear implantation may impact on non-verbal cognition by restoring functional auditory skills. METHOD: Sixty-four children with cochlear implants (36 females, 28 males; mean age 4y 3mo, SD 3y 5mo, 9mo-14y 5mo) were recruited and divided into three groups: children with typical development group (TDG); children with associated disabilities not linked to non-verbal cognitive disorders group (ADG1); and children with associated disabilities linked to non-verbal cognitive disorders group (ADG2). Tests of functional auditory, communicative, and non-verbal cognitive skills were performed before cochlear implantation and at 12 and 24 months after cochlear implantation. RESULTS: Functional auditory and communicative skills improved similarly in the three groups at 12 and 24 months after implantation. An increase in non-verbal cognitive scores was present in children in the ADG2 from baseline to 12 and 24 months (p<0.01), whereas scores remained stable in children in the TDG and ADG1. The increased functional auditory skills scores after cochlear implantation corresponded to an increase in non-verbal cognitive scores (p=0.032) in children in the ADG2. INTERPRETATION: Children with associated disabilities, especially if linked to non-verbal cognitive disorders, benefitted from cochlear implantation. They improved their comprehension of acoustic information inferred from the environment, improving not only functional auditory skills but also non-verbal cognition.


Assuntos
Implante Coclear , Disfunção Cognitiva/cirurgia , Surdez/cirurgia , Crianças com Deficiência/reabilitação , Locomoção/fisiologia , Transtornos do Neurodesenvolvimento/reabilitação , Avaliação de Resultados em Cuidados de Saúde , Adolescente , Criança , Pré-Escolar , Disfunção Cognitiva/epidemiologia , Disfunção Cognitiva/etiologia , Comorbidade , Surdez/complicações , Surdez/epidemiologia , Feminino , Seguimentos , Humanos , Masculino , Destreza Motora/fisiologia , Transtornos do Neurodesenvolvimento/epidemiologia , Testes Neuropsicológicos , Percepção Espacial/fisiologia , Pensamento/fisiologia , Percepção Visual/fisiologia
4.
Int J Audiol ; 59(4): 316-322, 2020 04.
Artigo em Inglês | MEDLINE | ID: mdl-31793801

RESUMO

Objective: This study aimed to evaluate the benefits of cochlear implant (CI) on speech perception, quality of life (QoL), and cognitive function in profoundly deafened older adults.Design: Longitudinal and cross-sectional cohort study.Study sample: Participants in this study were CI recipients aged 65 years or older (experimental group), CI recipients aged 50 years or younger (control group 1), and normal-hearing participants aged 65 years or older (control group 2).Results: Speech perception significantly improved in both groups of implanted patients (preoperative vs. 1-year median [IQR] sentence recognition: older patients, 0 (0-20) vs. 90 (70-95), p = 0.001; younger patients, 35 (0-50) vs. 90 (80-100), p = 0.001). There were no significant differences in QoL (Glasgow Benefit Inventory) between younger and older patients (median [IQR] overall benefit score, 42 (31-64) vs. 53 (39-69), p = 0.2). Mini-Mental State Examination scores showed no significant differences between elderly CI recipients and normal-hearing participants (median [IQR], 28 (26-28) vs. 28 (27-29), p = 0.5).Conclusions: Cochlear implantation rehabilitation allows the profoundly deafened older adult to lead a QoL comparable to that of a younger patient. The correlation between hearing restoration and cognitive function preservation in older adults suggest a possible role for CI as a useful resource in limiting age-related cognitive decline.


Assuntos
Implantes Cocleares/psicologia , Cognição , Correção de Deficiência Auditiva/psicologia , Surdez/psicologia , Qualidade de Vida , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Implante Coclear , Estudos Transversais , Surdez/reabilitação , Feminino , Humanos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Percepção da Fala , Resultado do Tratamento
5.
J Arthroplasty ; 35(6S): S138-S143, 2020 06.
Artigo em Inglês | MEDLINE | ID: mdl-32173619

RESUMO

BACKGROUND: Given the opioid crisis in America, patients are trying alternative medications including tetrahydrocannabinol (THC) and other cannabidiol (CBD) containing products in the perioperative period, especially in states where these products are legal. This study sought to analyze usage rates of CBD/THC products in the perioperative period for primary unilateral total hip and knee arthroplasty (THA/TKA) patients and identify a possible association with post-operative opioid use. METHODS: A prospective cohort of primary unilateral THA/TKA patients were enrolled at a single institution. Patients who completed detailed pain journals were retrospectively surveyed for CBD/THC product usage. Pain medications were converted to morphine milligram equivalents (MME). RESULTS: Data from 195 of the 210 patients (92.9% response rate) following primary arthroplasty were analyzed. Overall, 16.4% of arthroplasty-22.6% (n = 19) of TKA and 11.7% (n = 13) of THA-patients used CBD/THC products in the perioperative period. There was a wide variety of usage patterns among those using CBD/THC products. In comparing CBD/THC users and non-users, there was no significant difference in the length of narcotic use, total morphine milligram equivalents taken, narcotic pills taken, average post-op pain scores, the percentage of patients requiring a refill of narcotics, or length of stay. CONCLUSION: Understanding that CBD/THC usage was not consistent for patients who used these products, 22.6% of TKA and 11.7% of THA patients tried CBD/THC products in the perioperative period. In this small sample, CBD/THC use was not associated with a major effect on narcotic requirements. Further studies on the effects of CBD/THC are needed as these therapies become more widely available.


Assuntos
Artroplastia do Joelho , Canabidiol , Artroplastia do Joelho/efeitos adversos , Dronabinol , Humanos , Período Perioperatório , Estudos Prospectivos , Estudos Retrospectivos
6.
J Arthroplasty ; 35(6S): S158-S162, 2020 06.
Artigo em Inglês | MEDLINE | ID: mdl-32171491

RESUMO

BACKGROUND: The opioid crisis pressures orthopedic surgeons to reduce the amount of narcotics prescribed for post-operative pain management. This study sought to quantify post-operative opioid use after hospital discharge for primary unilateral total knee arthroplasty (TKA) patients. METHODS: A prospective cohort of primary unilateral TKA patients performed by one of 5 senior fellowship-trained arthroplasty surgeons were enrolled at a single institution. Detailed pain journals tracked all prescriptions and over-the-counter pain medications, quantities, frequencies, and visual analog scale pain scores. Narcotic and narcotic-like pain medications were converted to morphine milligram equivalents (MME). Statistical analysis was performed using Student's t-test with α < 0.05. RESULTS: Data from 89 subjects were analyzed; the average visual analog scale pain score was 6.92 while taking narcotics. The average number of days taking narcotics was 16.8 days. The distribution of days taking narcotics was right shifted with 52.8% of patients off narcotics after 2 week, and 74.2% off by 3 weeks post-op. The average MME prescribed was significantly greater than MME taken (866.6 vs 428.2, P < .0001). The average number of narcotic pills prescribed was significantly greater than narcotic pills taken (105.1 vs 52.0, P < .0001). The average excess narcotic pills prescribed per patient was 53.1 pills. About 48.3% took fewer than 40 narcotic pills; 75.3% took fewer than 75 narcotic pills. About 3.4% did not require any narcotics; 40.5% required a refill of narcotics. Also, 9.0% went home the day of surgery. CONCLUSION: Significantly more narcotics were prescribed than were taken in the post-operative period following TKA with an average 53.1 excess narcotic pills per patient. Adjusting prescribing patterns to match patient narcotic usage could reduce the excess narcotic pills following TKA.


Assuntos
Artroplastia do Joelho , Analgésicos Opioides/uso terapêutico , Artroplastia do Joelho/efeitos adversos , Humanos , Prescrição Inadequada , Dor Pós-Operatória/tratamento farmacológico , Alta do Paciente , Padrões de Prática Médica , Estudos Prospectivos
7.
J Arthroplasty ; 35(6S): S226-S230, 2020 06.
Artigo em Inglês | MEDLINE | ID: mdl-32173620

RESUMO

BACKGROUND: The opioid crisis pressures orthopedic surgeons to reduce the amount of narcotics prescribed for postoperative pain management. This study sought to quantify postoperative opioid use after hospital discharge for primary unilateral total hip arthroplasty (THA) patients. METHODS: A prospective cohort of primary unilateral THA patients were enrolled at a single institution. Detailed pain journals tracked all prescription and over-the-counter pain medication, quantity, frequency, and visual analog scale pain scores. Pain medications were converted to morphine milligram equivalents (MME). RESULTS: Data from 121 subjects were analyzed; the average visual analog scale pain score was 3.44 while taking narcotics. The average number of days taking narcotics was 8.46 days. The distribution of days taking narcotics was right shifted with 50.5% of patients off narcotics after 1 week, and 82.6% off by 2 weeks postoperatively. The average number of narcotic pills prescribed was significantly greater than narcotic pills taken (72.5 vs 28.8, P < .0001). The average MME prescribed was significantly greater than MME taken (452.1 vs 133.8, P < .0001). The average excess narcotic pills prescribed per patient was 51.7 pills. And 71.9% took fewer than 30 narcotic pills; 90.9% patients took fewer than 50 narcotic pills. Also, 10.7% did not require any narcotics; 9.9% required a refill of narcotics; and 33.1% went home the day of surgery. CONCLUSION: Significantly more narcotics were prescribed than were taken in the postoperative period following THA with an average 51.7 excess narcotic pills per patient. Adjusting prescribing patterns to match patient narcotic usage could reduce the excess narcotic pills following THA.


Assuntos
Artroplastia de Quadril , Analgésicos Opioides/uso terapêutico , Artroplastia de Quadril/efeitos adversos , Humanos , Prescrição Inadequada , Dor Pós-Operatória/tratamento farmacológico , Alta do Paciente , Padrões de Prática Médica , Estudos Prospectivos
8.
J Arthroplasty ; 33(7S): S126-S130, 2018 07.
Artigo em Inglês | MEDLINE | ID: mdl-29602537

RESUMO

BACKGROUND: For establishing femoral component position, gap-balancing (GB) and measured resection (MR) techniques were compared using a force sensor. METHODS: Ninety-one patients were randomized to undergo primary total knee arthroplasty using either MR (n = 43) or GB (n = 48) technique using a single total knee arthroplasty design. GB was performed with an instrumented tensioner. Force sensor data were obtained before the final implantation. RESULTS: GB resulted in greater range of femoral component rotation vs MR (1.5° ± 2.9° vs 3.1° ± 0.5°, P < .05) and posterior condylar cut thickness medially (10.2 ± 2.0 mm vs 9.0 ± 1.3 mm) and laterally (8.5 ± 1.9 mm vs 6.4 ± 1.0 mm). Force sensor data showed a decreased intercompartmental force difference at full flexion in GB (.8 ± 2.3 vs 2.0 ± 3.3u, 1u ≈ 15 N, P < .05). CONCLUSION: GB resulted in a greater range of femoral component rotation and thicker posterior condylar cuts resulting in an increased flexion space relative to MR. Intercompartmental force difference trended toward a more uniform distribution between full extension and full flexion in the GB vs MR group.


Assuntos
Artroplastia do Joelho/instrumentação , Articulação do Joelho/cirurgia , Ortopedia/métodos , Osteoartrite do Joelho/cirurgia , Idoso , Osso e Ossos/cirurgia , Coleta de Dados , Feminino , Fêmur/cirurgia , Humanos , Período Intraoperatório , Pessoa de Meia-Idade , Equipamentos Ortopédicos , Estudos Prospectivos , Amplitude de Movimento Articular , Rotação , Estresse Mecânico
9.
J Arthroplasty ; 33(3): 800-804, 2018 03.
Artigo em Inglês | MEDLINE | ID: mdl-29137901

RESUMO

BACKGROUND: An increased rate of complications related to femoral component failure has been described with less invasive total hip arthroplasty (THA). This study evaluated the incidence of femoral complications associated with the direct anterior approach for THA. METHODS: Retrospective review was performed of the initial 1120 consecutive patients who underwent direct anterior THA by 2 surgeons. RESULTS: A total of 899 patients (80.3%) had a 2-year follow-up (range, 2-8 years). Complications within 90 days occurred in 20 patients (1.8%): 10 calcar fractures, 1 greater trochanter fracture, 1 canal perforation, 3 hematomas, 2 dislocations, 2 superficial, and 1 deep infection. Nine patients (1%) underwent revision: 5 for aseptic femoral loosening (0.55%), 1 for periprosthetic joint infection, 1 for dislocation, 1 for hip flexor irritation, and 1 for a damaged polyethylene liner. Of the 5 patients with aseptic femoral loosening, 3 had a short, mediolateral tapered stem, 1 cemented stem, and 1 S-ROM stem placed to bypass a canal perforation. There were no revisions for aseptic loosening in the collared, fully hydroxyapatite (HA)-coated compaction broached or triple tapered proximal fit and fill stem designs (70.6% of all stems). Revision rate for femoral loosening was significantly higher for tapered wedge over HA-coated, compaction broached stems (P < .005). CONCLUSION: Pain and function improved predictably with a 0.55% rate of femoral loosening at 2-year follow-up. Among collared, fully HA-coated and triple taper fit and fill femoral stems, there were no instances of revision for aseptic loosening vs 3 in the short stem, collarless mediolateral tapered group.


Assuntos
Artroplastia de Quadril , Fêmur/cirurgia , Prótese de Quadril , Desenho de Prótese , Falha de Prótese , Idoso , Artrite Infecciosa/cirurgia , Durapatita/química , Feminino , Seguimentos , Fraturas Ósseas/cirurgia , Hematoma/cirurgia , Humanos , Incidência , Luxações Articulares/cirurgia , Masculino , Pessoa de Meia-Idade , Polietileno/química , Reoperação , Estudos Retrospectivos , Resultado do Tratamento
11.
J Surg Oncol ; 113(3): 333-8, 2016 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-26662660

RESUMO

For extremity soft tissue sarcomas, limb salvage is now standard of care. The extent of surgical margins is balanced with functionality of the resected limb. Although negative margins are the goal, the necessary width is unclear. Additional considerations for margin adequacy include presence of anatomic barriers such as fascia and periosteum, proximity of critical structures, receipt of adjuvant and neoadjuvant therapies, and histologic subtype. Multidisciplinary team discussion is critical for treatment planning.


Assuntos
Extremidades , Recidiva Local de Neoplasia/prevenção & controle , Sarcoma/prevenção & controle , Sarcoma/cirurgia , Neoplasias de Tecidos Moles/prevenção & controle , Neoplasias de Tecidos Moles/cirurgia , Procedimentos Cirúrgicos Operatórios , Extremidades/patologia , Extremidades/cirurgia , Humanos , Salvamento de Membro , Terapia Neoadjuvante/métodos , Neoplasia Residual/prevenção & controle , Sarcoma/patologia , Neoplasias de Tecidos Moles/patologia , Procedimentos Cirúrgicos Operatórios/métodos , Procedimentos Cirúrgicos Operatórios/normas
12.
J Arthroplasty ; 31(1): 132-6, 2016 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-26297690

RESUMO

68 patients (91 primary total knee arthroplasties) were evaluated at a mean 10-year, minimum 5 year follow up in patients younger than sixty years of age utilizing the gap balanced, rotating platform design. Follow up assessment included implant survivorship, adverse events, x-rays, Knee Society rating system and clinical evaluation. Three revisions were performed with only one for aseptic loosening at 45 months. Two manipulations were performed in the early postoperative period. Survivorship of the rotating platform, gap balanced knee was 96.7% using surgical revision for any reason and 98.9% using aseptic loosening as endpoints. The rotating platform design using the gap balancing technique in young patients had excellent survivorship at 10-year mean follow up.


Assuntos
Artroplastia do Joelho/métodos , Falha de Prótese , Adulto , Feminino , Seguimentos , Humanos , Estimativa de Kaplan-Meier , Articulação do Joelho/cirurgia , Prótese do Joelho , Masculino , Pessoa de Meia-Idade , Osteoartrite do Joelho/cirurgia , Estudos Prospectivos , Reoperação/instrumentação , Índice de Gravidade de Doença , Resultado do Tratamento , Raios X
13.
Clin Orthop Relat Res ; 472(2): 564-71, 2014 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-23801060

RESUMO

BACKGROUND: Large-head metal-on-metal (MoM) hip arthroplasties have demonstrated poor survival. Damage at the taper-trunnion junction is a contributing factor; however, the influence of junction design is not well understood. QUESTIONS/PURPOSES: (1) Does taper type affect fretting, corrosion, and volumetric wear at the junction? (2) Do taper types have different wear patterns? (3) Does larger offset or head diameter increase fretting, corrosion, and wear? (4) Is the extent of fretting and corrosion associated with earlier failure? METHODS: Taper damage in 40 retrieved heads was subjectively graded for fretting and corrosion, and wear was determined with high-resolution confocal measurement. Taper types (11/13, 12/14, and Type 1) differed by angle, distal diameter, and contact length; Type 1 were thinnest and 11/13 had longer contact lengths. RESULTS: Fretting scores were higher in 11/13 than in Type 1 tapers. Volumetric wear and wear rates did not differ among types. Uniform, circumferential, and longitudinal wear patterns were observed in all types, but fretting, corrosion, and wear did not differ among the patterns. Head diameter and lateral offset did not correlate with fretting, corrosion, or wear. No correlation was found between fretting, corrosion, or wear and length of implantation. CONCLUSIONS: In general, thicker tapers with longer contact lengths were associated with greater fretting scores, whereas no relationship was found among the three designs for corrosion scores or volumetric wear. This finding suggests that trunnion diameter and engagement length are important factors to consider when improving taper-trunnion junction design.


Assuntos
Artroplastia de Quadril/efeitos adversos , Artroplastia de Quadril/instrumentação , Articulação do Quadril/cirurgia , Prótese de Quadril , Próteses Articulares Metal-Metal , Falha de Prótese , Adulto , Idoso , Fenômenos Biomecânicos , Remoção de Dispositivo , Feminino , Articulação do Quadril/fisiopatologia , Humanos , Modelos Lineares , Masculino , Pessoa de Meia-Idade , Desenho de Prótese , Reoperação , Estudos Retrospectivos , Estresse Mecânico , Resultado do Tratamento
14.
Clin Orthop Relat Res ; 472(2): 543-54, 2014 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-23897506

RESUMO

BACKGROUND: Adverse tissue reactions associated with metal-on-metal (MOM) hips are common in resurfacing and total hip arthroplasty (THA) designs. The etiology of these reactions in painful, well-positioned arthroplasties is inconsistently described. QUESTIONS/PURPOSES: The purposes of this study were to compare the (1) articular wear rates; (2) histologic findings; (3) synovial response on MRI; and (4) graded intraoperative tissue damage between well-positioned, MOM hips revised for unexplained pain and MOM hips revised for other reasons and to (5) determine whether the presence of a taper junction on a MOM articulation affects these four parameters in unexplained pain. METHODS: We retrospectively studied 88 patients (94 hips) who had undergone revision of either a hip resurfacing or a large-head (> 36 mm) THA. Thirty-five hips revised for unexplained pain were compared with a control group of 59 hips revised for other causes. Articular wear was measured using three-dimensional contactless metrology and histologic analysis was performed using the aseptic lymphocyte-dominated vasculitis-associated lesion (ALVAL) score. Preoperative MRI was performed on 57 patients to determine synovial volumes and thicknesses. Tissue damage was graded from intraoperative reports. RESULTS: Articular wear rates in the unexplained pain group were lower than in the control group (median 2.6 µm/year versus 12.8 µm/year, p < 0.001). Sixty-six percent of patients in the unexplained pain group had histologic confirmation of ALVAL compared with 19% in the control group (p < 0.001). The synovial thickness on MRI was higher in the unexplained pain group (p = 0.04) and was highly predictive of ALVAL. Severe intraoperative tissue damage was noted in more cases in the unexplained pain group (p = 0.01). There were no differences in articular wear, histology, MRI, and tissue damage between resurfacings and THAs revised for unexplained pain. CONCLUSIONS: Unexplained pain in patients with well-positioned MOM hips warrants further investigation with MRI to look for features predictive of ALVAL. Tissue destruction in these cases does not appear to be related to high bearing wear or the presence of a taper.


Assuntos
Artralgia/etiologia , Artroplastia de Quadril/efeitos adversos , Artroplastia de Quadril/instrumentação , Reação a Corpo Estranho/etiologia , Articulação do Quadril/cirurgia , Prótese de Quadril , Doenças Linfáticas/etiologia , Imageamento por Ressonância Magnética , Próteses Articulares Metal-Metal , Vasculite/etiologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Artralgia/patologia , Artralgia/fisiopatologia , Artralgia/cirurgia , Fenômenos Biomecânicos , Remoção de Dispositivo , Feminino , Reação a Corpo Estranho/patologia , Reação a Corpo Estranho/fisiopatologia , Reação a Corpo Estranho/cirurgia , Articulação do Quadril/patologia , Articulação do Quadril/fisiopatologia , Humanos , Doenças Linfáticas/patologia , Doenças Linfáticas/fisiopatologia , Doenças Linfáticas/cirurgia , Masculino , Pessoa de Meia-Idade , Medição da Dor , Desenho de Prótese , Falha de Prótese , Reoperação , Estudos Retrospectivos , Fatores de Risco , Estresse Mecânico , Sinovectomia , Membrana Sinovial/patologia , Resultado do Tratamento , Vasculite/patologia , Vasculite/fisiopatologia , Vasculite/cirurgia , Adulto Jovem
15.
Children (Basel) ; 11(3)2024 Mar 20.
Artigo em Inglês | MEDLINE | ID: mdl-38539405

RESUMO

The primary aim of this study was to evaluate long-term recurrent and residual disease after surgery for acquired cholesteatoma in children according to surgical approach. A total of 71 interventions performed on 67 pediatric patients were included in the study. Canal wall-up tympanomastoidectomy (CWUT) was performed in 31 ears (13 with endoscopic assistance), a transcanal esclusive endoscopic approach (TEEA) was used in 22, and canal wall-down tympanomastoidectomy (CWDT) was performed in 18. Overall, the cholesteatoma relapse rate estimated by the Kaplan-Meier method was 47 ± 6% at 12 years; the recurrent cholesteatoma rate was 28 ± 6% and the residual cholesteatoma rate was 26 ± 5%. The relapse rate according to surgical approach was 33 ± 11% for CWDT, 60 ± 9% for CWUT, and 40 ± 11% for TEEA (p = 0.04). The difference for recurrent disease was no recurrent disease for CWDT, 42 ± 9% for CWUT, and 32 ± 11% for TEEA (p = 0.01). The residual disease rate was significantly reduced with endoscopy: 42 ± 8% without endoscopy vs. 9 ± 5% with (p = 0.003). CWDT can still be considered in primary surgery in case of extensive cholesteatomas and small mastoid with poor pneumatization. TEEA can be recommended for small cholesteatoma not extending to the mastoid to reduce morbidity. Endoscopic assistance seems useful to reduce residual disease in CWUT, whereas it does not have a significant impact on preventing recurrent disease.

16.
Knee ; 49: 52-61, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-38848658

RESUMO

BACKGROUND: There is increasing use of Robotic-Assisted (RA) and personalized alignment techniques in total knee arthroplasty (TKA). The hypothesis of this study was that RA TKA would result in fewer soft-tissue releases, and that fewer soft-tissue releases would be associated with improved clinical outcomes. METHODS: A retrospective review of an internal company registry was conducted for all primary TKAs performed from Jan 1, 2014, through a database extract date of Nov 4, 2022. These were grouped by whether there was an intentional soft-tissue release performed (STR) during the surgery or not (NSTR) and whether RA was utilized. The incidence of STR was compared between RA-TKAs and those performed with manual instrumentation. Knee Society Score (KSS) and Knee Society Function Scores (KSFS) were collected at 6 months, 1 year and 2 years. Kaplan-Meier survivorship was performed. RESULTS: The incidence of STR was significantly lower for RA vs. Manual (43.81% Vs 86.62%, p < 0.0001). The TKAs with NSTR had higher KSFS compared to those with STR at 6 months (84.73 Vs. 77.51, p < 0.0001), 1 year (89.87 Vs. 83.54, p < 0.0001) and 2 years (90.09 Vs. 82.65, p < 0.0001). There was no difference in survivorship, or KSS at any time point. However, the NSTR group had improved KSS pain sub score at 2 years. CONCLUSION: The results of this observational, retrospective analysis found that the incidence of soft-tissue release was lower with RA-TKA. Further, regardless of if RA was used, avoiding releases was associated with improved KSFS and KSS pain scores through 2 years post-operatively.


Assuntos
Artroplastia do Joelho , Procedimentos Cirúrgicos Robóticos , Humanos , Artroplastia do Joelho/métodos , Estudos Retrospectivos , Procedimentos Cirúrgicos Robóticos/métodos , Masculino , Feminino , Idoso , Pessoa de Meia-Idade , Osteoartrite do Joelho/cirurgia , Recuperação de Função Fisiológica , Resultado do Tratamento , Articulação do Joelho/cirurgia , Articulação do Joelho/fisiopatologia , Amplitude de Movimento Articular
17.
Clin Orthop Relat Res ; 471(3): 947-55, 2013 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-23065355

RESUMO

BACKGROUND: Posterior pelvic ring reconstruction can be challenging and controversial. The choice regarding whether to reconstruct and how to reconstitute the pelvic ring is unclear. Many methods provide stability but often are technically difficult and require excessive dissection. DESCRIPTION OF SURGICAL TECHNIQUE: This unique reconstructive technique uses the anterior aspect of the iliac crest with its attached muscle pedicle to provide a biologic scaffold for healing. The construct is secured with pedicle screws into the posterior column and S1 vertebral body with a spinal rod locked in compression. No additional fixation is used proximally into the lumbar spine. The iliac crest remains attached to the gluteus medius, allowing potential abductor function. METHODS: We retrospectively reviewed six patients who underwent iliosacral resection with this reconstruction. The mean age of the patients was 41 years. Complications were recorded. One patient died 6 months postoperatively. Musculoskeletal Tumor Society 1993 (MSTS '93) score and Toronto Extremity Salvage Score (TESS) were obtained at a minimum 1-year followup in five patients. Healing was assessed radiographically. The minimum followup was 6 months (median, 33 months; range, 6-53 months). RESULTS: The mean MSTS '93 score was 72% and mean TESS was 66. All posterior column graft sites healed. At last followup, four of the five surviving patients had a stable pseudarthrosis at the proximal sacral site. One patient had a local recurrence and experienced failure of instrumentation without collapse or rotation of the hemipelvis 3 years postoperatively. CONCLUSIONS: This technique provides a simple way to reconstruct the pelvic ring after iliosacral resection with clinical outcomes comparable to those for other methods. The method is a potential alternative for reconstruction of the posterior pelvic ring after resecting the ilium although reliable healing of the sacral site needs to be improved.


Assuntos
Neoplasias Ósseas/cirurgia , Parafusos Ósseos , Transplante Ósseo/instrumentação , Ílio/transplante , Procedimentos de Cirurgia Plástica/instrumentação , Sacro/cirurgia , Sarcoma/cirurgia , Fusão Vertebral/instrumentação , Adolescente , Adulto , Idoso , Fenômenos Biomecânicos , Neoplasias Ósseas/diagnóstico por imagem , Neoplasias Ósseas/fisiopatologia , Transplante Ósseo/efeitos adversos , Transplante Ósseo/mortalidade , Feminino , Humanos , Ílio/diagnóstico por imagem , Ílio/fisiopatologia , Imageamento por Ressonância Magnética , Masculino , Pessoa de Meia-Idade , Complicações Pós-Operatórias/etiologia , Radiografia , Procedimentos de Cirurgia Plástica/efeitos adversos , Procedimentos de Cirurgia Plástica/mortalidade , Recuperação de Função Fisiológica , Estudos Retrospectivos , Sacro/diagnóstico por imagem , Sacro/fisiopatologia , Sarcoma/diagnóstico por imagem , Sarcoma/fisiopatologia , Fusão Vertebral/efeitos adversos , Fusão Vertebral/mortalidade , Fatores de Tempo , Resultado do Tratamento , Adulto Jovem
18.
J Arthroplasty ; 28(8 Suppl): 152-6, 2013 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-23948124

RESUMO

Objective methods for analyzing arthroplasty retrieval implants are needed. To address this, we used a readily available laser scanner to analyze damage deviations between cohorts of rotating platform and fixed bearing inserts previously analyzed using traditional, subjective retrieval analysis methods. We asked the following research questions: 1) Do articular surface deviations measured by the scanner correlate with the subjective damage scores? 2) Do articular surface deviations differ between inserts due to design differences? Correlations between deviations and damage scores were present in RP but not FB inserts. Seven different deviation patterns were present between the RP and FB inserts and were a function of design. In conclusion laser scanning was found to be a useful objective tool for analyzing arthroplasty retrievals.


Assuntos
Artroplastia do Joelho/instrumentação , Remoção de Dispositivo , Análise de Falha de Equipamento/métodos , Imageamento Tridimensional/métodos , Prótese do Joelho , Lasers/estatística & dados numéricos , Tíbia/cirurgia , Idoso , Idoso de 80 Anos ou mais , Feminino , Articulação do Quadril/cirurgia , Humanos , Masculino , Pessoa de Meia-Idade , Polietileno , Desenho de Prótese , Falha de Prótese , Estresse Mecânico
19.
Audiol Res ; 14(1): 1-8, 2023 Dec 21.
Artigo em Inglês | MEDLINE | ID: mdl-38391764

RESUMO

Surgery for cochlear implant is a traumatic procedure, with inflammatory responses leading to immediate and delayed intracochlear changes, resulting in newly formed fibrous and bony tissue. This newly formed tissue is thought to affect speech perception with cochlear implants and can also play a role in causing device malfunctioning and soft failures. We present a case of left cochlear implant explantation and reimplantation in a 15-year-old girl, who experienced deterioration of speech perception and device failure associated with osteoneogenesis of the round window, which could represent a cause of cochlear implant failure. To avoid surgical trauma of the cochlear lateral wall, enlarged round window insertion rather than a cochleostomy, soft surgical techniques, and the application of steroids are all important issues to prevent new tissue formation, although special attention should also be given to the trauma of round window borders.

20.
Plast Reconstr Surg Glob Open ; 11(10): e5354, 2023 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-37859637

RESUMO

Vascularized fibular epiphyseal transfer (VFET) offers a functional advantage in pediatric limb salvage due to the preservation of growth potential and an articular surface for remodeling. This review summarizes the available evidence on the clinical characteristics and outcomes of pediatric reconstruction applying VFET at different recipient sites and with varying techniques. VFET was used to reconstruct the proximal humerus, distal radius or ulna, proximal femur, distal fibula, calcaneus, and mandible. Although most often harvested on the anterior tibial artery, VFET has also been performed using the peroneal artery, the inferior lateral genicular artery, and a dual pedicle. Recipient site flap inset most often involved fixation with plates and/or screws as well as soft tissue reconstruction using a retained slip of biceps femoris tendon. Outcomes included limb growth, range of motion, and strength. The most common reported complications were bone flap fracture and peroneal nerve palsy. The anterior tibial artery was the most applied pedicle with reliable limb growth, but with the added risk of postoperative peroneal palsy. Bone flap fracture most often occurred at the proximal humerus and femur recipient sites. Plate fixation and the combined use of allograft had lower instances of bone flap fracture. This review highlights how the anticipated dynamic growth and remodeling this free flap offers in the long term must be weighed against its complexity and potential complications.

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