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1.
Instr Course Lect ; 73: 77-84, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38090888

RESUMEN

As the health care landscape evolves toward value-based care and emphasizes health-related social needs, the importance of developing health policies and digital health solutions that foster health equity and risk-based reimbursement strategies has grown. Orthopaedic surgery, catering to a diverse patient population but challenged by a lack of workforce diversity, encounters distinct opportunities and obstacles in adopting digital health technologies for delivering equitable, high-value care. The integration of health-related social needs into the emerging value-based care model and risk-based reimbursement policies is important. Furthermore, the potential of incorporating robust artificial intelligence governance and big data analytics to enhance patient outcomes and support orthopaedic surgeons in treating their patient populations should be studied. There are crucial considerations for creating comprehensive digital health platforms tailored for orthopaedic surgery, and the significance of specialty-specific advocacy and collaboration among clinicians, policymakers, and MedTech companies cannot be understated.


Asunto(s)
Inteligencia Artificial , Procedimientos Ortopédicos , Humanos , Atención a la Salud
2.
J Arthroplasty ; 2024 May 29.
Artículo en Inglés | MEDLINE | ID: mdl-38821429

RESUMEN

BACKGROUND: Total knee arthroplasty (TKA) is an excellent surgical option for patients who have end-stage knee osteoarthritis. While rates of major postoperative complications have steadily decreased with modern implants and operative techniques, contemporary outcome data for patients who have Ehlers-Danlos syndrome (EDS) are scarce. The goal of this study was to compare complication rates after primary TKA in patients who have EDS versus matched controls. METHODS: A large administrative database was used to identify patients who underwent primary TKA from 2009 to 2020. Patients who had a diagnosis of EDS were identified by International Classification of Diseases Coding. Propensity scores were utilized to match these patients with controls at a 1:4 ratio based on age, sex, and various comorbidities. Multivariable logistic regression analysis was used to compare the rates of medical and surgical complications at 90 days and 2 years. A total of 188 patients who had EDS and 752 controls were included in this study. RESULTS: After univariate analysis, Ehlers-Danlos patients exhibited significantly higher rates of wound complications (4.8 versus 0.9%, P = .001) at 90 days. When adjusted for comorbidities, Ehlers-Danlos patients still exhibited significantly increased odds of developing wound complications (odds ratio: 7.06; P < .001). CONCLUSIONS: Patients who have EDS undergoing TKA exhibited significantly higher rates of wound complications within 90 days postoperatively compared to matched controls. Rates of instability, manipulation under anesthesia, periprosthetic joint infection, aseptic loosening, and aseptic revision arthroplasty did not significantly differ between the cohorts. This study found generally favorable short-term outcomes of TKA in this population; however, the inability to control for implant type and other confounding variables may have influenced the lack of difference in complication rates at 2 years. Surgeons should monitor for the potentially increased risk of wound complications and consider the possible need for increased constraint in this population during preoperative planning.

3.
J Arthroplasty ; 2024 Jul 11.
Artículo en Inglés | MEDLINE | ID: mdl-39002769

RESUMEN

INTRODUCTION: Total hip arthroplasty (THA) is an effective surgical treatment for severe osteoarthritis of the hip. While THA is considered a reliable and safe procedure, outcome data on patients who have Ehlers-Danlos syndrome (EDS) is limited. The purpose of this study was to compare rates of postoperative complications after primary THA in patients who have EDS against matched controls. METHODS: A large national database was searched to identify patients who underwent THA between 2009 and 2020. Patients younger than 18 years, who had a history of prior THA, and who were undergoing THA for a hip fracture were excluded from analysis. Propensity score matching was utilized to match patients who had EDS with patients who did not have EDS at a 1:4 ratio. Rates of medical and surgical complications at 90 days and 2 years were queried and compared between the cohorts using multivariable logistic regression. We identified 118 patients who had EDS and underwent primary THA, who were then matched with 418 controls. RESULTS: At 90 days, the EDS cohort had greater rates of dislocation (8.5 versus 3.8%, P = 0.038). At 2 years, the EDS cohort had greater odds of dislocation (OR [odds ratio] 2.47, P = 0.018), aseptic loosening (OR 6.91, P = 0.002), and aseptic revision (OR 2.66, P = 0.02). CONCLUSION: Patients who have EDS possess significantly higher odds of complications after THA compared to matched controls, including dislocation, aseptic loosening, and aseptic revision. Careful surgical planning in these patients should be made to prevent dislocation and potentially minimize the risk of other prosthesis-related complications leading to revision.

4.
J Arthroplasty ; 39(3): 612-618.e1, 2024 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-37611680

RESUMEN

BACKGROUND: With increasing numbers of revision total hip and total knee arthroplasties (rTHAs and rTKAs), understanding trends in related out-of-pocket (OOP) costs, overall costs, and provider reimbursements is critical to improve patient access to care. METHODS: A large database was used to identify 92,116 patients who underwent rTHA or rTKA between 2009 and 2018. The OOP costs associated with the surgery and related inpatient care were calculated as the sum of copayment, coinsurance, and deductible payments. Professional reimbursement was calculated as total payments to the principal physician. All monetary data were adjusted to 2018 dollars. Multivariate regressions evaluated the associations between costs and procedure type, insurance type, and region of service. RESULTS: From 2009 to 2018, overall costs for rTHA significantly increased by 35.0% and overall costs for rTKA significantly increased by 32.3%. The OOP costs for rTHA had no significant changes, while OOP costs for rTKA increased by 20.1%, with patients on Medicare plans having the lowest OOP costs. Professional reimbursements, when measured as a percentage of overall costs, decreased significantly by 4.4% for rTHA and 4.0% for rTKA, with the lowest reimbursements from Medicare plans. CONCLUSION: From 2009 to 2018, total costs related to rTHA and rTKA significantly increased. The OOP costs significantly increased for rTKA, and professional reimbursements for both rTHA and rTKA decreased relative to total costs. Overall, these trends may combine to create greater financial burden to patients and the healthcare system, as well as further limit patients' access to revision arthroplasty care.


Asunto(s)
Artroplastia de Reemplazo de Cadera , Artroplastia de Reemplazo de Rodilla , Humanos , Anciano , Estados Unidos , Medicare , Hospitalización , Reoperación , Estudios Retrospectivos
5.
J Arthroplasty ; 39(5): 1312-1316.e7, 2024 May.
Artículo en Inglés | MEDLINE | ID: mdl-37924991

RESUMEN

BACKGROUND: Previous evidence has demonstrated an increased risk of periprosthetic joint infection (PJI) following primary total knee arthroplasty (TKA) in patients receiving corticosteroid injection (CSI) within 3 months of surgery. The study aimed to determine if PJI risk after TKA varied among different corticosteroid agents. METHODS: A total of 85,073 patients undergoing primary TKA from 2009 to 2019 were identified from a large national database. Of these, 1,092 (1.3%) received an ipsilateral, intra-articular CSI within 90 days of TKA. These patients were compared to those not receiving CSI using multivariate logistic regressions following 1:4 propensity score matching, with PJI development as the primary outcome. RESULTS: Patients given an injection of any corticosteroid within 90 days of TKA had significantly higher PJI rates compared to controls (1.6 versus 0.41%; P < .001). This finding was driven by patients receiving methylprednisolone acetate (n = 543) or betamethasone (n = 153), with prevalence rates of 1.7 and 2.6%, respectively (P = .003 and P = .01, respectively). No significant increase in the rate of PJI was observed for patients receiving triamcinolone (1.2%; P = .08; n = 342) or dexamethasone (0.0%; P = 1; n = 54) within 90 days preceding TKA. PJI risk for all agents, administered more than 90 days preoperatively normalized to control levels (0.51 versus 0.34%). CONCLUSIONS: These results suggest that PJI risk varies with CSI type. In this large database study, only patients given methylprednisolone acetate or betamethasone injections within 90 days of surgery had significantly higher PJI rates compared to controls.

6.
J Arthroplasty ; 2024 Apr 25.
Artículo en Inglés | MEDLINE | ID: mdl-38677341

RESUMEN

BACKGROUND: Periprosthetic joint infection (PJI) is a devastating complication following total knee arthroplasty (TKA). Little evidence exists comparing those with early versus late PJI. The purpose of the study was to determine comorbidity profile differences between patients developing early and late PJI. METHODS: There were 72,659 patients undergoing primary TKA from 2009 to 2021, who were identified from a commercial claims and encounters database. Subjects diagnosed with PJI were categorized as either 'early' (within 90 days of index procedure) or 'late' (> 2 years after index arthroplasty). Non-infected patients within these periods served as control groups following 4:1 propensity score matching on other extraneous variables. Logistic regression analyses were performed comparing comorbidities between groups. RESULTS: Patients were significantly younger in the late compared to the early infection group (58.1 versus 62.4 years, P < .001). When compared to those with early PJI, patients who had chronic kidney disease (13.3 versus 4.1%; OR [odds ratio] 5.17, P = .002), malignancy (20.4 versus 10.5%; OR 2.53, P = .009), uncomplicated diabetes (40.8 versus 30.6%; OR 2.00, P = .01), rheumatoid arthritis (9.2 versus 3.3%; OR 2.66, P = .046), and hypertension (88.8 versus 81.6%; OR 2.17, P = .04), were all significant predictors of developing a late PJI. CONCLUSIONS: When compared to patients diagnosed with early PJI following primary TKA, the presence of chronic kidney disease, malignancy, uncomplicated diabetes, rheumatoid arthritis, and hypertension, were independent risk factors for the development of late PJI. Younger patients who have these comorbidities may be targets for preoperative optimization interventions that minimize the risk of PJI.

7.
J Arthroplasty ; 39(8): 1996-2002, 2024 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-38360285

RESUMEN

BACKGROUND: Although total knee arthroplasty has been considered the gold-standard treatment for severe osteoarthritis of the knee, unicompartmental knee arthroplasty (UKA) has become an increasingly favorable alternative for single-compartment osteoarthritis of the knee. Few studies have examined potential high-risk populations undergoing this procedure. The purpose of this study was to investigate the outcomes of UKA in patients receiving long-term anticoagulation therapy. METHODS: In this study, a large administrative database was queried to identify patients undergoing UKA between 2009 and 2019, who were then divided into a cohort receiving long-term anticoagulation and a control cohort. Propensity scores were utilized to match these patients. Multivariable logistic regression was utilized to compare 90-day and 2-year complication rates between cohorts. RESULTS: Patients who were on long-term anticoagulation had significantly increased odds of extended length of stay, surgical site infection, wound complication, transfusion, deep vein thrombosis, pulmonary embolism, and readmission at 90-day follow-up. The long-term anticoagulation cohort also experienced significantly higher odds of periprosthetic joint infection and mechanical complications at 2-year follow-up; however, odds of conversion to total knee arthroplasty were not increased. CONCLUSIONS: This study demonstrated that long-term anticoagulation use was associated with poorer medical and surgical outcomes at both 90 days and 2 years postoperatively in patients undergoing UKA, even after rigorous adjustment for confounders.


Asunto(s)
Anticoagulantes , Artroplastia de Reemplazo de Rodilla , Osteoartritis de la Rodilla , Puntaje de Propensión , Humanos , Artroplastia de Reemplazo de Rodilla/métodos , Anticoagulantes/administración & dosificación , Anticoagulantes/uso terapéutico , Femenino , Masculino , Anciano , Persona de Mediana Edad , Osteoartritis de la Rodilla/cirugía , Resultado del Tratamiento , Complicaciones Posoperatorias/etiología , Complicaciones Posoperatorias/epidemiología , Estudios de Cohortes , Estudios Retrospectivos , Tiempo de Internación/estadística & datos numéricos
8.
J Arthroplasty ; 39(3): 766-771.e2, 2024 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-37757979

RESUMEN

BACKGROUND: The COVID-19 pandemic introduced a new set of challenges for the arthroplasty community, including the management of patients diagnosed with COVID-19 following revision total knee arthroplasty (rTKA) and its potential impact on postoperative recovery. This study sought to characterize the risks of postoperative COVID-19 infection among rTKA patients. METHODS: A large national database was utilized to query 8,022 total patients who underwent rTKA between 2018 and 2021, of which 60 had a COVID diagnosis within 90 days after surgery (rTKA/COVID positive). These patients were 1:10 propensity-score matched to 600 rTKA patients who did not have a 90-day postoperative COVID diagnosis (rTKA/COVID negative) and 600 COVID positive patients who did not undergo rTKA. Controlling for potential confounders, multivariate logistic regressions were utilized to compare 90-day postoperative complications between groups. RESULTS: Compared to rTKA/COVID negativepatients, the rTKA/COVID positive cohort had significantly higher rates of pneumonia (odds ratio [OR] = 6.1, P < .001), pulmonary embolism (PE) (OR = 32.4, P < .001), deep venous thrombosis (DVT) (OR = 32.4, P < .001), and 90-day readmissions (OR = 2.1, P = .02). Similarly, the rTKA/COVID positive cohort had significantly higher rates of pneumonia (OR = 4.3, P = .001), PE (OR = 36.8, P < .001), and DVT (OR = 36.8, P < .001) compared to COVID positive patients who did not undergo rTKA. CONCLUSIONS: Revision total knee arthroplasty patients diagnosed with COVID-19 postoperatively had increased rates of thromboembolic events, pneumoniae, and 90-day readmissions. Risk mitigation efforts would suggest extending the prophylactic anticoagulation period for rTKA patients diagnosed with postoperative COVID-19.


Asunto(s)
Artroplastia de Reemplazo de Rodilla , COVID-19 , Embolia Pulmonar , Humanos , Artroplastia de Reemplazo de Rodilla/efectos adversos , Pandemias , COVID-19/complicaciones , COVID-19/epidemiología , Embolia Pulmonar/etiología , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología , Estudios Retrospectivos , Reoperación/efectos adversos
9.
J Arthroplasty ; 39(1): 198-205, 2024 01.
Artículo en Inglés | MEDLINE | ID: mdl-37380143

RESUMEN

BACKGROUND: The age-adjusted modified frailty index (aamFI) has been demonstrated to effectively predict postoperative complications and healthcare resource utilization in patients undergoing primary total joint arthroplasty. The purpose of this study was to evaluate the applicability of aamFI in patients undergoing aseptic revision total hip (rTHA) and knee arthroplasty (rTKA). METHODS: A national database was queried for patients undergoing aseptic rTHA and rTKA from 2015 to 2020. A total of 13,307 rTHA and 18,762 rTKA cases were identified. The aamFI was calculated by adding 1 additional point for age ≥73 years to the previously described 5-item modified frailty index (mFI-5). The area under the curve was calculated and compared to compare predictive accuracy between mFI-5 and aamFI. Logistic regression was used to investigate the relationship between aamFI and 30-day complications. RESULTS: The incidence of incurring any (≥1) complication increased from 15% for aamFI 0 to 45% for aamFI ≥5 after rTHA and from 5 to 55% after rTKA. Patients who had an aamFI ≥3 (reference aamFI = 0) had increased odds (rTHA: odds ratio (OR) 3.5, 95% confidence interval (CI) 2.9 to 4.1, P < .001; rTKA: OR 4.2, 95% CI 4.4 to 5.1, P < .001) of incurring at least 1 complication. The aamFI, compared to mFI-5, was a more accurate predictor of any complication (rTHA P < .001; rTKA P < .001) and 30-day mortality (rTHA P < .001; rTKA P < .003). CONCLUSION: The aamFI is an excellent predictor of complications in patients undergoing rTHA and rTKA. The addition of chronological age to the previously described mFI-5 improves the predictive value of this simple metric.


Asunto(s)
Artroplastia de Reemplazo de Cadera , Artroplastia de Reemplazo de Rodilla , Fragilidad , Humanos , Anciano , Artroplastia de Reemplazo de Rodilla/efectos adversos , Fragilidad/complicaciones , Artroplastia de Reemplazo de Cadera/efectos adversos , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología , Extremidad Inferior , Estudios Retrospectivos , Reoperación/efectos adversos
10.
J Arthroplasty ; 2024 Jan 17.
Artículo en Inglés | MEDLINE | ID: mdl-38237877

RESUMEN

BACKGROUND: With an aging global population, the incidence of revision total hip arthroplasty (rTHA) is expected to increase markedly. While patients undergoing primary total hip arthroplasty who require chronic anticoagulation (AC) have been associated with increased postoperative complications, less is known about the impact of chronic AC status on postoperative complications in the rTHA setting. This study sought to compare complication rates following aseptic rTHA between patients who were on chronic AC and those who were not. METHODS: A large national database was utilized to retrospectively identify 9,421 patients who underwent aseptic rTHA between 2014 and 2019. Patients were divided into 2 cohorts: 1,790 patients (19.0%) were in the chronic AC cohort (ie, having an AC prescription filled within 6 months prior to and following rTHA), and 7,631 patients (81.0%) were not on chronic AC. Postoperative complications at 90-days and 2-years were compared between cohorts utilizing univariate and multivariate analyses, controlling for sex, age, and comorbidities. RESULTS: At 90-days, chronic AC patients had increased odds of prosthetic joint infections (PJIs) (odds ratio [OR] 3.2, P < .001), surgical site infections (OR 3.6, P < .001), and mechanical prosthetic complications (OR 3.5, P < .001), which included any aseptic loosening, implant dislocation, or broken prosthetic. At 2-years, chronic AC patients had increased odds of PJI (OR 3.3, P < .001) as well as mechanical prosthetic complications (OR 3.2, P < .001). Chronic AC patients were also at increased risk for reoperation within 2 years after initial aseptic rTHA (OR 1.9, P < .001). CONCLUSIONS: Patients on chronic AC have significantly higher odds of 90-day and 2-year complications after aseptic rTHA. This includes increased odds of PJI, surgical site infection, and mechanical prosthetic complications. Patients receiving chronic AC who undergo rTHA should be counseled on the risk-benefit ratio of their chronic AC status in a multidisciplinary setting to optimize their postoperative outcomes.

11.
J Arthroplasty ; 2024 Jan 11.
Artículo en Inglés | MEDLINE | ID: mdl-38218558

RESUMEN

BACKGROUND: Prior studies have demonstrated reduced periprosthetic joint infection (PJI) rates following extended oral antibiotics (EOAs) for high-risk patients undergoing primary total joint arthroplasty (TJA). This study compared 3-month PJI rates in all patients undergoing primary or aseptic revision TJA with or without EOA prophylaxis. METHODS: In total, 2,982 consecutive primary (n = 2,677) and aseptic revision (n = 305) TJAs were performed by a single, fellowship-trained arthroplasty surgeon from 2016 to 2022 were retrospectively reviewed. Beginning January 2020, all patients received 7 days of 300 mg oral cefdinir twice daily immediately postoperatively. Rates of PJI at 3 months were compared between patients who received or did not receive EOA. RESULTS: Rates of PJI at 3 months in patients undergoing primary and aseptic revision TJA were significantly lower in those receiving EOA prophylaxis compared to those who did not (0.41 versus 1.13%, respectively; P = .02). After primary TJA, lower PJI rates were observed with EOA prophylaxis utilization (0.23 versus 0.74%, P = .04; odds ratio [OR] 3.85). Following aseptic revision TJA, PJI rates trended toward a significant decrease with the EOA compared to without (1.88 versus 4.83%, respectively; P = .16; OR 2.71). CONCLUSIONS: All patients undergoing primary or aseptic revision TJA who received EOA prophylaxis were 3.85 and 2.71 times less likely, respectively, to develop PJI at 3 months compared to those without EOA. Future studies are needed to determine if these results are maintained at postoperative time periods beyond 3 months following primary TJA. LEVEL OF EVIDENCE: III, Retrospective review.

12.
J Shoulder Elbow Surg ; 32(8): 1609-1617, 2023 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-36868299

RESUMEN

BACKGROUND: Rising utilization rates of total shoulder arthroplasty (TSA) paired with an aging US population herald increased future economic burden. Previous research has demonstrated evidence of "pent-up demand" in health care (delaying medical care until financially able) accompanying insurance status changes. The purpose of this study was to determine pent-up demand for TSA in the years leading up to Medicare coverage at age 65 years while identifying key drivers underlying this trend, including socioeconomic status. METHODS: The incidence rates of TSA were evaluated using the 2019 National Inpatient Sample database. The observed increase in incidence between the ages of 64 years (pre-Medicare group) and 65 years (post-Medicare group) was compared with the expected increase. The expected frequency of TSA was subtracted from the observed frequency of TSA to calculate pent-up demand. Excess cost was calculated by multiplying pent-up demand by the median cost of TSA. The Medicare Expenditure Panel Survey-Household Component was used to compare health care cost and patient experience between pre-Medicare patients (aged 60-64 years) and post-Medicare patients (aged 66-70 years). RESULTS: The expected and observed increases in TSA procedures from age 64 years to age 65 years were 402, for an incidence rate increase of 0.13/1000 population (12.8% increase), and 820, for an incidence rate increase of 0.24/1000 population (27% increase), respectively. The 27% increase represented a sharp jump in comparison to the 7.8% annual growth rate between age 65 years and age 77 years. This resulted in pent-up demand between age 64 years and age 65 years of 418 TSA procedures and excess cost of $7.5 million. Mean total out-of-pocket expenses were significantly higher for the pre-Medicare group than for the post-Medicare group ($1700 vs. $1510, P < .001). Compared with the post-Medicare group, the pre-Medicare group exhibited a significantly higher proportion of patients who delayed Medicare care because of cost (P < .001), could not afford medical care (P < .001), had problems paying medical bills (P < .001), and were unable to pay medical bills (P < .001). Physician-patient relationship experience scores were significantly worse in the pre-Medicare group (P < .001). These trends were even stronger for low-income patients when data were broken down by income status. CONCLUSIONS: Patients likely delay elective TSA until reaching Medicare eligibility at age 65 years, resulting in substantial added financial burden to the health care system. As US health care costs continue to rise, it will be crucial for orthopedic providers and policy makers to be aware of pent-up demand for TSA and its possible associated drivers, especially socioeconomic status.


Asunto(s)
Artroplastía de Reemplazo de Hombro , Medicare , Humanos , Anciano , Estados Unidos , Persona de Mediana Edad , Costos de la Atención en Salud , Gastos en Salud , Pacientes Internos
13.
J Shoulder Elbow Surg ; 32(3): 671-676, 2023 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-36279987

RESUMEN

BACKGROUND: The US Food and Drug Administration (FDA) oversees medical device regulation and oversight in the United States, and the majority of shoulder arthroplasty devices are cleared via the 510(k) pathway, in which a device demonstrates "substantial equivalence" to a previously cleared predicate. The purpose of this study was to determine an interconnected ancestral network of shoulder arthroplasty devices and determine equivalency ties to devices subsequently recalled by the FDA for design-related issues. METHODS: The FDA 510(k) database was used to identify all legally marketed shoulder arthroplasty devices from May 28, 1976, to July 1, 2021. Direct predicate information obtained via clearance summary documents associated with each device was used to generate an ancestral genealogy network for all shoulder arthroplasty devices cleared between July 1, 2020, and July 1, 2021. FDA design recalls were analyzed, and the number of descendant devices was calculated for each recalled device. RESULTS: An evaluation of all 476 510(k) premarket notification pathway-cleared shoulder devices since 1976 identified 0-313 descendant devices for each. Eighty of these devices (16.8%) have since been recalled, of which 10 recalls were directly related to implant design issues. Furthermore, among 29 of the most recently cleared devices (July 1, 2020-July 1, 2021), 16 (55.2%) claim predicates devices that have subsequently been withdrawn from the market because of design-related failures. CONCLUSIONS: Shoulder arthroplasty devices are linked together via an interconnected FDA 510(k) equivalency approval network dating back to 1976 despite substantive changes in material specifications and device design, many of which have since been recalled. Many of the cleared modern devices claim predicates based on subsequently recalled prostheses.


Asunto(s)
Artroplastía de Reemplazo de Hombro , Humanos , Estados Unidos , Aprobación de Recursos , Artroplastia , United States Food and Drug Administration , Bases de Datos Factuales
14.
J Arthroplasty ; 38(9): 1668-1675, 2023 09.
Artículo en Inglés | MEDLINE | ID: mdl-36868329

RESUMEN

BACKGROUND: Whether frailty impacts total hip arthroplasty (THA) patients of different races or sex equally is unknown. This study aimed to assess the influence of frailty on outcomes following primary THA in patients of differing race and sex. METHODS: This is a retrospective cohort study utilizing a national database (2015-2019) to identify frail (≥2 points on the modified frailty index-5) patients undergoing primary THA. One-to-one matching for each frail cohort of interest (race: Black, Hispanic, Asian, versus White (non-Hispanic), respectively; and sex: men versus women) was performed to diminish confounding. The 30-day complications and resource utilizations were then compared between cohorts. RESULTS: There was no difference in the occurrence of at least 1 complication (P > .05) among frail patients of differing race. However, frail Black patients had increased odds of postoperative transfusion (odds ratio [OR]: 1.34, 95% confidence interval [CI]: 1.02-1.77), deep vein thrombosis (OR: 2.61, 95% CI: 1.08-6.27), as well as >2-day hospitalization and nonhome discharge (P < .001). Frail women had higher odds of having at least 1 complication (OR: 1.67, 95% CI: 1.47-1.89), nonhome discharge, readmission, and reoperation (P < .05). Contrarily, frail men had higher 30-day cardiac arrest (0.2% versus 0.0%, P = .020) and mortality (0.3 versus 0.1%, P = .002). CONCLUSION: Frailty appears to have an overall equitable influence on the occurrence of at least 1 complication in THA patients of different races, although different rates of some individual, specific complications were identified. For instance, frail Black patients experienced increased deep vein thrombosis and transfusion rates relative to their non-Hispanic White counterparts. Contrarily, frail women, relative to frail men, have lower 30-day mortality despite increased complication rates.


Asunto(s)
Artroplastia de Reemplazo de Cadera , Fragilidad , Trombosis de la Vena , Masculino , Humanos , Femenino , Fragilidad/complicaciones , Artroplastia de Reemplazo de Cadera/efectos adversos , Estudios Retrospectivos , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología , Trombosis de la Vena/etiología , Factores de Riesgo
15.
J Arthroplasty ; 38(6): 1160-1165, 2023 06.
Artículo en Inglés | MEDLINE | ID: mdl-36878439

RESUMEN

BACKGROUND: There is a lack of consensus on optimal skin closure and dressing strategies to reduce early wound complication rates after primary total hip arthroplasty (THA) and total knee arthroplasty (TKA). METHODS: All 13,271 patients at low risk for wound complications undergoing primary, unilateral THA (7,816), and TKA (5,455) for idiopathic osteoarthritis at our institution between August 2016 and July 2021 were identified. Skin closure, dressing type, and postoperative events related to wound complications were recorded during the first 30 postoperative days. RESULTS: The need for unscheduled office visits to address wound complications was more frequent after TKA than THA (2.74 versus 1.78%, P < .001), and after direct anterior versus posterior approach THA (2.94 versus 1.39%, P < .001). Patients who developed a wound complication, had a mean of 2.9 additional office visits. Compared to the use of topical adhesives, skin closure with staples had the highest risk of wound complications (odds ratio 1.8 [1.07-3.11], P = .028). Topical adhesives with polyester mesh had higher rates of allergic contact dermatitis than topical adhesives without mesh (1.4 versus 0.5%, P < .0001). CONCLUSION: Wound complications after primary THA and TKA were often self-limited but increased burden on the patient, surgeon, and care team. These data, which suggest different rates of certain complications with different skin closure strategies, can inform a surgeon on optimal closure methods in their practice. Adoption of the skin closure technique with the lowest risk of complications in our hospital would conservatively result in a reduction of 95 unscheduled office visits and save a projected $585,678 annually.


Asunto(s)
Artroplastia de Reemplazo de Cadera , Artroplastia de Reemplazo de Rodilla , Humanos , Artroplastia de Reemplazo de Rodilla/efectos adversos , Artroplastia de Reemplazo de Rodilla/métodos , Técnicas de Cierre de Heridas/efectos adversos , Artroplastia de Reemplazo de Cadera/efectos adversos , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología
16.
Arch Orthop Trauma Surg ; 143(5): 2739-2745, 2023 May.
Artículo en Inglés | MEDLINE | ID: mdl-35776176

RESUMEN

INTRODUCTION: Direct anterior approach (DAA) for total hip arthroplasty (THA) frequently utilizes fluoroscopy. The purpose of this study is to assess the impact of using a novel, imageless THA navigation system on radiation exposure and acetabular cup placement consistency. MATERIALS AND METHODS: This was a retrospective, single-surgeon cohort study of a consecutive group of patients who underwent DAA THA for osteoarthritis. An optic-based imageless navigation system was used to determine intraoperative acetabular inclination and anteversion angles referenced off of a generic coronal and sagittal plane in 71 cases (study group). These were compared with 71 manual cases (control group) for fluoroscopy exposure, operative duration, and acetabular placement variation. Cohorts were similar in their distributions of sex, race, ethnicity, and body mass index. Comparisons between groups were made using independent samples t tests. Alpha error was 0.05. RESULTS: Study patients experienced significantly less fluoroscopy exposure time {3.59 [Standard Deviation (SD) 1.95] vs. 9.15 (SD 5.98) seconds; p < 0.001} and dosage (0.30 [SD 0.23] vs. 0.78 [SD 0.63] mGy; p < 0.001). Study and control patients had similar operative times [82.69 (SD 11.70) vs. 89.54 (SD 14.60) minutes; p = 0.09]. The study group had a significantly lower radiographic variation for inclination and anteversion, based on mean proximity to the centroid of each cohort [3.55 (SD 1.88) vs. 5.39 (SD 3.51); p < 0.001] and also a greater proportion of cases that fell within 1 SD of the mean cohort inclination and anteversion (40.8% vs. 21.1%; p = 0.009). CONCLUSIONS: Use of a novel imageless navigation system for DAA THA significantly reduced fluoroscopic radiation exposure and improved consistency in acetabular cup placement.


Asunto(s)
Artroplastia de Reemplazo de Cadera , Prótesis de Cadera , Cirugía Asistida por Computador , Humanos , Estudios Retrospectivos , Estudios de Casos y Controles , Estudios de Cohortes , Acetábulo/diagnóstico por imagen , Acetábulo/cirugía , Fluoroscopía
17.
Arch Orthop Trauma Surg ; 143(7): 4455-4463, 2023 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-36258048

RESUMEN

INTRODUCTION: Extended inpatient rehabilitation (PT) after total hip (THA) and knee arthroplasty (TKA) has a significant impact on total care costs. As patients age, extended PT might be required following THA and TKA. This study examined the relationship between patient age, functional mobility, inpatient PT need, and discharge disposition in THA and TKA patients. MATERIALS AND METHODS: This retrospective study included patients aged 60 + undergoing primary THA or TKA between 2018 and 2020 at an orthopedic hospital. Comparing by age-decade, 7374 (3600 THA, 3774 TKA) sexagenarians, 5350 (2367 THA, 2983 TKA) septuagenarians, 1356 (652 THA, 704 TKA) octogenarians, and 78 (52 THA, 26 TKA) nonagenarians were analyzed. We compared the number of PT sessions needed for discharge clearance and the postoperative functional mobility using the Activity Measure for Post-Acute Care (AM-PAC) tool. Statistical analyses included ANOVA with post-hoc Tukey's HSD for continuous data and Chi-squared test for categorical variables. RESULTS: The number of PT sessions required for discharge clearance increased with age after THA (3.3 ± 1.9 sessions vs 3.8 ± 2.1 vs 5.0 ± 2.7 vs 6.2 ± 3.0; p < 0.01) and TKA (4.0 ± 2.1 vs 4.7 ± 3.1 vs 5.2 ± 2.8 vs 5.0 ± 1.6; p < 0.01). The functional mobility improvement as measured by AM-PAC was significantly lower for nonagenarians after THA (4.9 ± 2.8 vs 5.1 ± 2.8 vs 4.6 ± 3.3 vs 3.3 ± 3.9; p < 0.01) and TKA (5.0 ± 2.9 vs 4.7 ± 3.2 vs 3.9 ± 3.4 vs 3.2 ± 2.6; p < 0.01). CONCLUSION: Patients in their eighth and ninth decade had less improvement in functional mobility during in-hospital rehabilitation and utilized more PT services. However, clinical results in the elderly are still satisfying and the data may be helpful for resource utilization planning and risk-adjustment in value-based payment models.


Asunto(s)
Artroplastia de Reemplazo de Cadera , Artroplastia de Reemplazo de Rodilla , Anciano , Anciano de 80 o más Años , Humanos , Artroplastia de Reemplazo de Rodilla/rehabilitación , Pacientes Internos , Estudios Retrospectivos , Modalidades de Fisioterapia
18.
BMC Med Educ ; 22(1): 103, 2022 Feb 16.
Artículo en Inglés | MEDLINE | ID: mdl-35172819

RESUMEN

BACKGROUND: Anatomy education in US medical schools has seen numerous changes since the call for medical education reform in 2010. The purpose of this study was to survey US medical schools to assess recent trends in anatomy education, the impact of the COVID-19 pandemic on anatomy teaching, and future directions of medical school anatomy curricula. METHODS: We sent a 29-item survey to anatomy course directors of 145 AAMC-associated allopathic medical schools inquiring about their schools' anatomy curricula. The survey contained objective discrete questions concerning the curricula changes preceding COVID-19 and those directly related to COVID-19. We also asked subjective and open-ended questions about the impact of COVID-19 and future directions of anatomy education. RESULTS: A total of 117/143 course directors (82%) completed the survey. Most schools (60%) reported a major change to their anatomy course within the past five years, including a decrease in total course time (20%), integration of anatomy into other courses (19%), and implementation of a "flipped classroom" (15%) teaching style. Due to COVID-19, there was a decrease in the fraction of course time dedicated to "hands-on" learning (p < 0.01) and teaching of clinical correlates (p = 0.02) and radiology (p < 0.01). Most course directors (79%) reported that COVID-19 had a negative impact on quality of learning due to decreased interactive or in-person (62%) learning and lack of dissection (44%). Incorporation of virtual-reality applications or 3D anatomy software (23%) and a decrease in cadaver dissection (13%) were the most common future anticipated changes. CONCLUSION: The constraints conferred by COVID-19 highlight the importance of maximizing interactive learning in the discipline of anatomy. In an era of social distancing and decreased emphasis on conventional anatomy dissection, adaptations of new technologies and teaching modalities may allow for traditional educational rigor to be sustained.


Asunto(s)
Anatomía , COVID-19 , Educación de Pregrado en Medicina , Educación Médica , Anatomía/educación , Curriculum , Humanos , Pandemias , SARS-CoV-2 , Facultades de Medicina
19.
J Arthroplasty ; 37(12): 2473-2479.e1, 2022 12.
Artículo en Inglés | MEDLINE | ID: mdl-35750151

RESUMEN

BACKGROUND: A substantial number of randomized controlled trial (RCT) studies in total joint arthroplasty (TJA) are published each year in the United States (US). However, it is unknown how closely the demographic and clinical characteristics of these cohorts resemble that of the US patient population undergoing TJA. Thus, the purpose of this systematic review was to evaluate the patient characteristics of published RCTs in TJA in the US and to compare these characteristics against patient cohorts from national patient databases. METHODS: RCT studies regarding primary TJA conducted in the US were selected. Key patient demographics were aggregated and compared against demographics characteristics of the Healthcare Cost and Utilization Project of the Agency for Healthcare Research and Quality National Inpatient Sample (NIS) and American College of Surgeons National Surgical Quality Improvement Program patient cohorts. RESULTS: One hundred and fifty-three RCTs fulfilled the inclusion criteria and were included. The total number of patients in the 153 RCTs was 24,135 patients. The average age of patients in the TJA RCT cohort was 65 years (53-80) while the NIS cohort was 67 years (18-90) (d = 0.21, effect size = small). The average body mass index of the TJA RCT cohort was 30.8 (18.2-37.6) while the National Surgical Quality Improvement Program cohort was 31.9 (14.1-59.6) (d = 0.18, effect size = small). For TJA, effect sizes for age, body mass index BMI, sex, ethnicity, smoking, and diabetes were all small or very small. CONCLUSION: Overall, the US RCT patient cohort for TJA does not differ substantially from the general patient population undergoing TJA in the United States. Differences in demographic and clinical characteristics between the TJA RCT cohort and database cohorts ranged from minimal to small, suggesting that these differences are unlikely to impact clinical outcomes.


Asunto(s)
Artroplastia de Reemplazo de Cadera , Artroplastia de Reemplazo de Rodilla , Estados Unidos , Humanos , Persona de Mediana Edad , Anciano , Anciano de 80 o más Años , Bases de Datos Factuales , Índice de Masa Corporal , Costos de la Atención en Salud , Ensayos Clínicos Controlados Aleatorios como Asunto
20.
J Arthroplasty ; 37(6): 1098-1104, 2022 06.
Artículo en Inglés | MEDLINE | ID: mdl-35189289

RESUMEN

BACKGROUND: Frailty and increasing age are well-established risk factors in patients undergoing total hip arthroplasty (THA). However, these variables have only been considered independently. This study assesses the interplay between age and frailty and introduces a novel age-adjusted modified frailty index (aamFI) for more refined risk stratification of THA patients. METHODS: The American College of Surgeons National Surgical Quality Improvement Program database was queried from 2015 to 2019 for patients undergoing primary THA. First, outcomes were compared between chronologically younger and older frail patients. Then, to establish the aamFI, one additional point was added to the previously described mFI-5 for patients aged ≥73 years (the 75th percentile for age in our study population). The association of aamFI with postoperative complications and resource utilization was then analyzed categorically. RESULTS: A total of 165,957 THA patients were evaluated. Older frail patients had a higher incidence of complications than younger frail patients. Regression analysis demonstrated a strong association between aamFI and complications. For instance, an aamFI of ≥3 (compared to aamFI of 0) was associated with an increased odds of mortality (OR: 22.01, 95% confidence interval [CI] 11.62-41.68), any complication (OR: 3.50, 95% CI 3.23-3.80), deep vein thrombosis (OR: 2.85, 95% CI 2.03-4.01), and nonhome discharge (OR 9.61, 95% CI 9.04-10.21; all P < .001). CONCLUSION: Chronologically, older patients are impacted more by frailty than younger patients. The aamFI accounts for this and outperforms the mFI-5 in prediction of postoperative complications and resource utilization in patients undergoing primary THA.


Asunto(s)
Artroplastia de Reemplazo de Cadera , Fragilidad , Artroplastia de Reemplazo de Cadera/efectos adversos , Fragilidad/complicaciones , Fragilidad/epidemiología , Humanos , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología , Estudios Retrospectivos , Medición de Riesgo , Factores de Riesgo
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