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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.
Arthroplast Today ; 15: 34-39, 2022 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-35392363

RESUMO

Background: Uncemented total knee arthroplasty is increasing as a potential solution for aseptic loosening via biologic fixation and to increase operative efficiency. However, postoperative radiolucent lines (RLLs) remain a concern for some clinicians. We report on a multicenter analysis of these RLLs over a 2-year period to identify their incidence, progression, and clinical significance. Material and methods: Institutional review board approval was obtained for this retrospective, multicenter case series. A total of 312 patients treated with a single cruciate-retaining, fully porous coated femoral and tibial component design were included in the study. All patients were evaluated clinically and radiographically in the early postoperative period and at final follow-up (average 2.0 years). Average age of the study group was 58.2 years, and average body mass index was 30.7. Of the total, 66% were male, and 34% were female. Two independent surgeons evaluated the radiographs at the initial postoperative visit and at the most recent follow-up for RLLs. Knee Society Scores and range of motion (ROM) were collected at each visit. Results: We identified RLLs in 25% of patients. All RLLs were less than 1 mm in size and located at the periphery of the tibial implant. None of the RLLs were progressive. At the final follow-up, compared with early postoperative imaging, no new RLLs were identified. Average ROM in flexion was 124 degrees, and the average Knee Society Scores at the most recent clinical follow-up was 96. Conclusion: RLLs are commonly seen following cementless TKA, most commonly underneath the tibial tray. Based on this data set, there does not appear to be progression of these RLLs with time, and they do not appear to have an effect on ROM or clinical outcome at 2 years.

3.
Arthroplast Today ; 6(3): 508-512, 2020 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-32695868

RESUMO

BACKGROUND: The superior approach for total hip arthroplasty (THA) is a minimally invasive, tissue-sparing technique that may have clinical and economic benefits. The purpose of this study was to compare early outcomes between the posterior approach and the superior approach in primary THA. Our hypothesis was that the superior approach would have a noninferior length of stay (LOS), discharge destination, and blood loss compared with the posterior approach. METHODS: All primary THAs performed by a single surgeon at one institution were retrospectively reviewed over a 2-year period (2015-2017). There were 676 patients, 40.4% of whom underwent a posterior approach and 59.6% underwent a superior approach. LOS, discharge destination, blood loss, and operating room time were analyzed. Gender, body mass index, and American Society of Anesthesiologists status were recorded and controlled. RESULTS: The posterior approach was independently associated with an almost threefold higher risk of prolonged LOS (>2 days, P < .001) (odds ratio: 2.90, 95% confidence interval: 1.87-4.49; P < .001). The mean LOS for the superior approach was 1.71 days vs 2.17 days for the posterior group (P < .001). Fewer patients in the superior approach cohort were discharged to a rehabilitation facility (8.9% vs 17.9%, P < .001). The mean operative time was shorter in the superior group (91.8 vs 95.8, P = .001). There was no statistically significant difference in acute postoperative blood loss. There were no dislocations or reoperations in either group. CONCLUSIONS: The superior approach to THA was associated with a significantly shorter length of hospital stay and lower rate of discharge to rehab than the posterior approach. This approach can be used as a safe, minimally invasive, and tissue-sparing variation of a standard posterior approach for THA and has promising early outcomes.

4.
Hand (N Y) ; 10(4): 678-82, 2015 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-26568722

RESUMO

BACKGROUND: Prior to volar locked plating and early motion protocols, ligamentous injuries incidentally associated with distal radius fractures may have been indirectly treated with immobilization. Our goal was to determine the prevalence of scapholunate instability in our population, while identifying those who may have had progression of instability. METHODS: We retrospectively reviewed 221 distal radius fractures treated with a volar locking plate during a 6-year period. Average patient age was 59 years. Standard posteroanterior and lateral radiographs from the first and last postoperative visits were analyzed for scapholunate instability, using the criteria of scapholunate gap ≥3 mm and scapholunate angle ≥60°. RESULTS: Six patients (3 %) met neither or only one criterion for instability at the first postoperative visit and did not have ligament repair and then went on to meet both criteria at the last postoperative visit after an early motion protocol. Seven patients (3 %) met both criteria at the first and last postoperative visits and did not have ligament repair. Five patients (2 %) underwent primary scapholunate ligament repair at the time of distal radius fixation. CONCLUSIONS: In our representative population, scapholunate instability was uncommon, either from initial injury or possible progression of occult ligament injury, despite early motion without operative treatment of the ligament. Thus, we did not find strong evidence for routinely delaying motion or pursuing further workup. When early radiographs clearly demonstrate acute scapholunate instability, more aggressive treatment may be appropriate for selected patients.

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