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Lachance AD, Call C, Radford Z, Stoddard H, Sturgeon C, Babikian G, Rana A, McGrory BJ. Rural-Urban Differences in Hospital and Patient-Reported Outcomes Following Total Hip Arthroplasty. Arthroplast Today 2023; 23:101190. [PMID: 37731592 PMCID: PMC10507436 DOI: 10.1016/j.artd.2023.101190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 07/04/2023] [Accepted: 07/08/2023] [Indexed: 09/22/2023] Open
Abstract
Background Rural patients have unique health-care factors influencing outcomes of arthroplasty, hypothetically putting these patients at increased risk for complications following total joint arthroplasty. The aim of this study is to better understand differences in patient outcomes and satisfaction between rural and urban patients receiving care in an urban setting and to provide more equitable care. Methods A retrospective chart review was performed on patients undergoing primary total hip arthroplasty at a single large academic center between January 2013 and August 2020. Demographic, operative, and hospital outcomes were obtained from the institutional electronic medical record. Rurality was determined by rural-urban code (RUC) classifications by zip code with RUC codes 1-3 defined as urban and RUC 4-10 defined as rural. Results Patients from urban areas were more likely to visit the emergency department within 30 days postoperatively (P = .006) and be readmitted within 90 days (P < .001). However, unplanned (P < .001) admissions were higher in the rural group. There was no statistical difference in postoperative complications (P = .4). At 6 months, rural patients had higher patient-reported outcome measures (PROMs) including Hip Disability and Osteoarthritis Outcome Score total (P = .05), Hip Disability and Osteoarthritis Outcome Score interval (P = .05), self-reported functional improvement (P < .05), improvements in pain (P < .05), and that the surgery met expectations (P < .05). However, these values did not reach minimal clinically important difference. Conclusions There may be differences in emergency department visits, readmissions, and PROMs in rural vs urban populations undergoing total hip arthroplasty in an urban setting. Patient access to care and attitudes of rural patients toward health care may underlie these findings. Understanding differences in PROMs, satisfaction, and hospital-based outcomes based on rurality is essential to provide equitable arthroplasty care.
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Affiliation(s)
| | | | - Zachary Radford
- Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, CT, USA
| | - Henry Stoddard
- MaineHealth Institute for Research, Maine Medical Center, Portland, ME, USA
| | - Callahan Sturgeon
- MaineHealth Institute for Research, Maine Medical Center, Portland, ME, USA
| | - George Babikian
- MaineHealth Institute for Research, Maine Medical Center, Portland, ME, USA
| | - Adam Rana
- MaineHealth Institute for Research, Maine Medical Center, Portland, ME, USA
- Tufts University School of Medicine, Maine Medical Center, Portland, ME, USA
| | - Brian J. McGrory
- MaineHealth Institute for Research, Maine Medical Center, Portland, ME, USA
- Tufts University School of Medicine, Maine Medical Center, Portland, ME, USA
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Long H, Xie D, Chen H, Wei J, Li X, Wang H, Zeng C, Lei G. Rural-urban differences in characteristics, postoperative outcomes, and costs for patients undergoing knee arthroplasty: a national retrospective propensity score matched cohort study. Int J Surg 2023; 109:2696-2703. [PMID: 37247007 PMCID: PMC10498865 DOI: 10.1097/js9.0000000000000494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 05/08/2023] [Indexed: 05/30/2023]
Abstract
BACKGROUND The rural-urban disparities in postoperative complications and costs among patients undergoing knee arthroplasty (KA) have not been thoroughly explored. This study aimed to determine whether such differences exist in this patient population. MATERIAL AND METHODS The study was conducted using data from the national Hospital Quality Monitoring System of China. Hospitalized patients undergoing KA from 2013 to 2019 were enrolled. Patient and hospital characteristics were compared between rural and urban patients, and differences in postoperative complications, readmissions, and hospitalization costs were analyzed using propensity score matching. RESULTS Of the 146 877 KA cases analyzed, 71.4% (104 920) were urban patients and 28.6% (41 957) were rural patients. Rural patients tended to be younger (64.4±7.7 years vs. 68.0±8.0 years; P <0.001) and had fewer comorbidities. In the matched cohort of 36 482 participants per group, rural patients were found to be more likely to experience deep vein thrombosis (OR: 1.31, 95% CI: 1.17-1.46; P <0.001) and require red blood cell (RBC) transfusion (OR: 1.38, 95% CI: 1.31-1.46; P <0.001). However, they had a lower incidence of readmission within 30 days (OR: 0.65, 95% CI: 0.59-0.72; P <0.001) and readmission within 90 days (OR: 0.61, 95% CI: 0.57-0.66; P <0.001) than their urban counterparts. In addition, rural patients incurred lower hospitalization costs than urban patients (57 396.2 Chinese Yuan vs. 60 844.3 Chinese Yuan; P <0.001). CONCLUSION Rural KA patients had different clinical characteristics compared with urban patients. While they had a higher likelihood of deep vein thrombosis and RBC transfusion following KA than urban patients, they had fewer readmissions and lower hospitalization costs. Targeted clinical management strategies are needed for rural patients.
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Affiliation(s)
| | - Dongxing Xie
- Department of Orthopedics
- Hunan Key Laboratory of Joint Degeneration and Injury
| | - Hu Chen
- Tibet Autonomous Region People’s Hospital, Lhasa, Tibet, China
| | - Jie Wei
- Health Management Center
- Key Laboratory of Aging-related Bone and Joint Diseases Prevention and Treatment, Ministry of Education, Xiangya Hospital, Central South University
- Hunan Key Laboratory of Joint Degeneration and Injury
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University
| | - Xiaoxiao Li
- Key Laboratory of Aging-related Bone and Joint Diseases Prevention and Treatment, Ministry of Education, Xiangya Hospital, Central South University
- Hunan Key Laboratory of Joint Degeneration and Injury
| | - Haibo Wang
- China Standard Medical Information Research Center, Shenzhen
- Clinical Trial Unit, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong
| | - Chao Zeng
- Department of Orthopedics
- National Clinical Research Center for Geriatric Disorders
- Key Laboratory of Aging-related Bone and Joint Diseases Prevention and Treatment, Ministry of Education, Xiangya Hospital, Central South University
- Hunan Key Laboratory of Joint Degeneration and Injury
- Hunan Engineering Research Center for Osteoarthritis, Changsha, Hunan
| | - Guanghua Lei
- Department of Orthopedics
- National Clinical Research Center for Geriatric Disorders
- Key Laboratory of Aging-related Bone and Joint Diseases Prevention and Treatment, Ministry of Education, Xiangya Hospital, Central South University
- Hunan Key Laboratory of Joint Degeneration and Injury
- Hunan Engineering Research Center for Osteoarthritis, Changsha, Hunan
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Sridhar S, Mouat-Hunter A, McCrory B. Rural implementation of the perioperative surgical home: A case-control study. World J Orthop 2023; 14:123-135. [PMID: 36998383 PMCID: PMC10044325 DOI: 10.5312/wjo.v14.i3.123] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 01/01/2023] [Accepted: 02/15/2023] [Indexed: 03/17/2023] Open
Abstract
BACKGROUND Perioperative surgical home (PSH) is a novel patient-centric surgical system developed by American Society of Anesthesiologist to improve outcomes and patient satisfaction. PSH has proven success in large urban health centers by reducing surgery cancellation, operating room time, length of stay (LOS), and readmission rates. Yet, only limited studies have assessed the impact of PSH on surgical outcomes in rural areas.
AIM To evaluate the newly implemented PSH system at a community hospital by comparing the surgical outcomes using a longitudinal case-control study.
METHODS The research study was conducted at an 83-bed, licensed level-III trauma rural community hospital. A total of 3096 TJR procedures were collected retrospectively between January 2016 and December 2021 and were categorized as PSH and non-PSH cohorts (n = 2305). To evaluate the importance of PSH in the rural surgical system, a case-control study was performed to compare TJR surgical outcomes (LOS, discharge disposition, and 90-d readmission) of the PSH cohort against two control cohorts [Control-1 PSH (C1-PSH) (n = 1413) and Control-2 PSH (C2-PSH) (n = 892)]. Statistical tests including Chi-square test or Fischer’s exact test were performed for categorical variables and Mann-Whitney test or Student’s t-test were performed for continuous variables. The general linear models (Poisson regression and binomial logistic regression) were performed to fit adjusted models.
RESULTS The LOS was significantly shorter in PSH cohort compared to two control cohorts (median PSH = 34 h, C1-PSH = 53 h, C2-PSH = 35 h) (P value < 0.05). Similarly, the PSH cohort had lower percentages of discharges to other facilities (PSH = 3.5%, C1-PSH = 15.5%, C2-PSH = 6.7%) (P value < 0.05). There was no statistical difference observed in 90-d readmission between control and PSH cohorts. However, the PSH implementation reduced the 90-d readmission percentage (PSH = 4.7%, C1-PSH = 6.1%, C2-PSH = 3.6%) lower than the national average 30-d readmission percentage which is 5.5%. The PSH system was effectively established at the rural community hospital with the help of team-based coordinated multi-disciplinary clinicians or physician co-management. The elements of PSH including preoperative assessment, patient education and optimization, and longitudinal digital engagement were vital for improving the TJR surgical outcomes at the community hospital.
CONCLUSION Implementation of the PSH system in a rural community hospital reduced LOS, increased direct-to-home discharge, and reduced 90-d readmission percentages.
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Affiliation(s)
- Srinivasan Sridhar
- Center for Health Outcomes and Policy Evaluation, College of Public Health, The Ohio State University, Columbus, OH 43210, United States
| | - Amy Mouat-Hunter
- Preanesthesia Clinic, Bozeman Health, Bozeman, MT 59715, United States
| | - Bernadette McCrory
- Mechanical and Industrial Engineering, Montana State University, Bozeman, MT 59715, United States
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Dowsey MM, Spelman T, Choong PFM. A Nomogram for Predicting Non-Response to Surgery One Year after Elective Total Hip Replacement. J Clin Med 2022; 11:1649. [PMID: 35329975 PMCID: PMC8955143 DOI: 10.3390/jcm11061649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 12/10/2022] Open
Abstract
Background: Total hip replacement (THR) is a common and cost-effective procedure for end-stage osteoarthritis, but inappropriate utilization may be devaluing its true impact. The purpose of this study was to develop and test the internal validity of a prognostic algorithm for predicting the probability of non-response to THR surgery at 1 year. Methods: Analysis of outcome data extracted from an institutional registry of individuals (N = 2177) following elective THR performed between January 2012 and December 2019. OMERACT-OARSI responder criteria were applied to Western Ontario and McMaster Universities Arthritis Index (WOMAC) pain and function scores at pre- and 1 year post-THR, to determine non-response to surgery. Independent prognostic correlates of post-operative non-response observed in adjusted modelling were then used to develop a nomogram. Results: A total of 194 (8.9%) cases were deemed non-responders to THR. The degree of contribution (OR, 95% CI) of each explanatory factor to non-response on the nomogram was, morbid obesity (1.88, 1.16, 3.05), Kellgren−Lawrence grade <4 (1.89, 1.39, 2.56), WOMAC Global rating per 10 units (0.86, 0.79, 0.94) and the following co-morbidities: cerebrovascular disease (2.39, 1.33, 4.30), chronic pulmonary disease (1.64; 1.00, 2.71), connective tissue disease (1.99, 1.17, 3.39), diabetes (1.86, 1.26, 2.75) and liver disease (2.28, 0.99, 5.27). The concordance index for the nomogram was 0.70. Conclusion: We have developed a prognostic nomogram to calculate the probability of non-response to THR surgery. In doing so, we determined that both the probability of and predictive prognostic factors for non-response to THR differed from a previously developed nomogram for total knee replacement (TKR), confirming the benefit of designing decision support tools that are both condition and surgery site specific. Future external validation of the nomogram is required to confirm its generalisability.
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Affiliation(s)
- Michelle M. Dowsey
- Department of Surgery, The University of Melbourne, St. Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (T.S.); (P.F.M.C.)
- Department of Orthopaedics, St. Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia
| | - Tim Spelman
- Department of Surgery, The University of Melbourne, St. Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (T.S.); (P.F.M.C.)
| | - Peter F. M. Choong
- Department of Surgery, The University of Melbourne, St. Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (T.S.); (P.F.M.C.)
- Department of Orthopaedics, St. Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia
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Sayah SM, Karunaratne S, Beckenkamp PR, Horsley M, Hancock MJ, Hunter DJ, Herbert RD, de Campos TF, Steffens D. Clinical Course of Pain and Function Following Total Knee Arthroplasty: A Systematic Review and Meta-Regression. J Arthroplasty 2021; 36:3993-4002.e37. [PMID: 34275710 DOI: 10.1016/j.arth.2021.06.019] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 05/17/2021] [Accepted: 06/17/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Total knee arthroplasty (TKA) is widely considered a successful intervention for osteoarthritis and other degenerative knee diseases. This study addresses the need for a high-quality meta-analysis that outlines the clinical course of pain and function post-TKA. METHODS The review included prospective cohort studies assessing pain or function of patients undergoing primary TKA at baseline (preoperatively) and at least 2 additional time points including one at least 12 months postoperatively. Two reviewers independently screened references, extracted data, and assessed risk of bias using the Quality in Prognosis Studies tool. The time course of recovery of pain and function was modeled using fractional polynomial meta-regression. RESULTS In total, 191 studies with 59,667 patients were included, most with low risk of bias. The variance-weighted mean pain score (/100, 0 = no pain) was 64.0 (95% confidence interval [CI] 60.2-67.7) preoperatively, 24.1 (95% CI 20.3-27.9) at 3 months, 20.4 (95% CI 16.7-24.0) at 6 months, and 16.9 (95%CI 13.6-20.3) at 12 months, and remained low (10.1; 95% CI 4.8-15.4) at 10 years postoperatively. The variance-weighted mean function score (/100, 0 = worst function) was 47.1 (95% CI 45.7-48.4) preoperatively, 72.8 (95% CI 71.3-74.4) at 3 months, 76.3 (95% CI 74.7-77.8) at 6 months, and 78.1 (95%CI 76.4-79.7) at 12 months. Function scores were good (79.7; 95% CI 77.9-81.5) at 10 years postoperatively. CONCLUSION Patients undergoing primary TKA can expect a large and rapid but incomplete recovery of pain and function in the first postoperative year. At 10 years, the gains in pain scores may still remain while there is an improvement in function.
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Affiliation(s)
- Said Mohamad Sayah
- Surgical Outcomes Resource Centre (SOuRCe), Royal Prince Alfred Hospital (RPAH), Sydney, New South Wales, Australia; Faculty of Medicine and Health, Central Clinical School, The University of Sydney, Sydney, New South Wales, Australia
| | - Sascha Karunaratne
- Surgical Outcomes Resource Centre (SOuRCe), Royal Prince Alfred Hospital (RPAH), Sydney, New South Wales, Australia; Faculty of Medicine and Health, Central Clinical School, The University of Sydney, Sydney, New South Wales, Australia
| | - Paula R Beckenkamp
- Discipline of Physiotherapy, Sydney School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
| | - Mark Horsley
- Department of Orthopaedic Surgery, Royal Prince Alfred Hospital (RPAH), Sydney, New South Wales, Australia
| | - Mark J Hancock
- Department of Health Professions, Macquarie University, Sydney, New South Wales, Australia
| | - David J Hunter
- Institute of Bone and Joint Research, The University of Sydney, Sydney, New South Wales, Australia; Rheumatology Department, Royal North Shore Hospital, Sydney, New South Wales, Australia
| | - Robert D Herbert
- Neuroscience Research Australia (NeuRA), Sydney, New South Wales, Australia
| | - Tarcisio F de Campos
- Department of Health Professions, Macquarie University, Sydney, New South Wales, Australia
| | - Daniel Steffens
- Surgical Outcomes Resource Centre (SOuRCe), Royal Prince Alfred Hospital (RPAH), Sydney, New South Wales, Australia; Faculty of Medicine and Health, Central Clinical School, The University of Sydney, Sydney, New South Wales, Australia
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Hollick RJ, Macfarlane GJ. Association of Rural Setting With Poorer Disease Outcomes for Patients With Rheumatic Diseases: Results From a Systematic Review of the Literature. Arthritis Care Res (Hoboken) 2020; 73:666-670. [PMID: 32170834 DOI: 10.1002/acr.24185] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 03/03/2020] [Indexed: 11/10/2022]
Abstract
OBJECTIVE To assess whether clinical and patient-reported outcomes are poorer for individuals with inflammatory and noninflammatory rheumatic diseases living in rural locations. METHODS We searched 6 databases for articles that reported on primary peer-reviewed research, published in English between 1990 and 2019, that focused on selected rheumatic diseases (rheumatoid arthritis [RA], psoriatic arthritis, axial spondyloarthritis, or osteoarthritis [OA]) and quantified either patient-reported or clinically measured outcomes by a measure of rurality or remoteness. Selected articles were synthesized narratively. RESULTS Eight eligible publications, including 753 rural and 929 urban patients, evaluated outcomes in RA (5 studies) and OA (3 studies). Studies were small, single center, and rarely provided a definition of rurality. Aspects relating to rurality, such as access to services, were not measured. In RA, some studies suggested greater functional disability and disease activity in rural dwellers. In OA, there was some evidence to suggest that rural dwellers presented with more advanced degenerative hip changes, and that illness perceptions and coping differed between rural and urban dwellers. No studies examined work outcomes. Potentially important confounding factors such as socioeconomic status were rarely considered. CONCLUSION There remains considerable uncertainty whether outcomes differ for patients with rheumatic disease in rural settings. There is a need for larger scale studies characterizing participants in relation to place of residence in order to determine whether rurality is an independent predictor of outcome or a surrogate marker for socioeconomic factors.
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Does face-to-face pre-operative joint replacement education reduce hospital costs in a regional Australian hospital? A descriptive retrospective clinical audit. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2019; 30:257-265. [PMID: 31612317 DOI: 10.1007/s00590-019-02548-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 09/06/2019] [Indexed: 10/25/2022]
Abstract
OBJECTIVE To evaluate whether attending a face-to-face pre-operative joint replacement education in a regional setting reduces overall hospital costs and length of stay (LOS) following total knee replacement (TKR) or total hip replacement (THR). METHODS A retrospective clinical audit reviewed the medical records of all patients who underwent an elective THR or TKR at Rockhampton Hospital in regional Queensland, Australia, between 03/2015 and 12/2016 (22 months). The pre-operative joint replacement education class was provided by a multidisciplinary team that included a physiotherapist, an occupational therapist, a dietician, a pharmacist and a social worker. In addition to demographic data, we extracted and analysed data related to total acute care and total healthcare cost, prevalence of post-operative complications, discharge destination and comorbidities (using the Functional Comorbidity Index). RESULTS Out of 326 cases that were included in the analysis, 115 cases with TKR and 51 cases with THR attended a pre-operative education class. Demographic characteristics between those attending and not attending the class were largely similar, except from more females attending in the THR group. There was no difference in hospital costs or LOS between those who attended the class compared to those who did not for both the TKR and THR groups. Outcomes related to total acute stay costs, total cost including travel and education and score for Functional Comorbidities Index were similar between those who attended the class and those who did not. CONCLUSION Pre-operative education does not reduce hospital costs (surgery and hospital stay) in Central Queensland.
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Age-Related Decline in Patient-Reported Outcomes 2 and 5 Years Following Total Hip Arthroplasty. J Arthroplasty 2019; 34:1999-2005. [PMID: 30979671 DOI: 10.1016/j.arth.2019.02.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 02/07/2019] [Accepted: 02/12/2019] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Patient-reported outcome measures (PROMs) help assess therapeutic effectiveness. This study assessed the effect of advanced age on the Hip Disability and Osteoarthritis Outcome Score (HOOS) and Lower Extremity Activity Scale (LEAS) after total hip arthroplasty (THA). METHODS A prospective cohort of patients underwent primary THA at our institution between May 2007 and December 2011. Exposure was age at the time of surgery and outcomes were HOOS and LEAS scores 2 and 5 years postsurgery. We used a multivariable longitudinal generalized estimating equation to elucidate the effect of age on PROM scores. RESULTS Our analysis of 3700 THA patients (mean age, 66 years; 56.4% female) demonstrated a decline in scores by age for the LEAS, HOOS Activities of Daily Living, and HOOS Sport and Recreation domains. There was also association between age and HOOS Symptoms and HOOS Quality of Life domains, but not between age and the HOOS Pain domain. Critical ages at which the relationship between age and outcome changed was 63 years for the HOOS Pain, Symptom, Activities of Daily Living, and Quality of Life domains, and 72 years for the HOOS Sport and Recreation domain and the LEAS. CONCLUSION Patients undergoing THA at older ages reported lower activity and sports and recreation scores than younger patients, but similar pain, symptoms, and quality of life scores. This knowledge can help physicians guide patients' expectations before THA. Our findings also indicate that PROM scores should be age adjusted when used for quality or value comparisons between hospitals or physicians.
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Jovic D, Mulford J, Ogden K, Zalucki N. Diagnosis and management of chronic hip and knee pain in a Tasmanian orthopaedic clinic: a study assessing the diagnostic and treatment planning decisions of an advanced scope physiotherapist. Aust J Prim Health 2019; 25:60-65. [DOI: 10.1071/py18076] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 09/20/2018] [Indexed: 11/23/2022]
Abstract
The aim of this study is to investigate the clinical effectiveness of an advanced practice physiotherapist triaging patients referred from primary care to the orthopaedic clinic with chronic hip and knee pain. An exploratory study design was used to assess 87 consecutive patients referred from general practice in Northern Tasmania. Patients were assessed by both an advanced practice physiotherapist and a consultant orthopaedic surgeon. Diagnostic and treatment decisions were compared, with the orthopaedic consultant decision defined as the gold standard. By using these decisions, over and under referral rates to orthopaedics could be calculated, as well as the surgical conversion rate. Conservative care of patients referred to the orthopaedic clinic with hip and knee pain was limited. The diagnostic agreement between the advanced scope physiotherapist and the orthopaedic surgeon was almost perfect (weighted kappa 0.93 (95% CI 0.87–1.00)), with treatment agreement substantial (weighted kappa 0.75 (95% CI 0.62–0.89)). Under a physiotherapist-led triage service, the surgical conversion rate doubled from 38% to 78%. An advanced physiotherapist assessing and treating patients with chronic hip and knee pain made decisions that match substantially with decisions made by an orthopaedic consultant. A model of care utilising an advanced physiotherapist in this way has the potential to support high-quality orthopaedic care in regional centres.
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Abstract
BACKGROUND Both obesity and underweight are associated with a higher risk of mortality in adulthood, but the association between mortality after arthroplasty and extreme ranges of body mass index (BMI) have not been evaluated beyond the first year. QUESTIONS/PURPOSES The purpose of this study was to investigate the association between BMI and all-cause mortality after TKA and THA. METHODS Data from two arthroplasty registries, the St Vincent's Melbourne Arthroplasty (SMART) Registry from Australia and the Kaiser Permanente Total Joint Replacement Registry (KPTJRR) from the United States, were used to identify patients aged ≥ 18 years undergoing elective TKAs and THAs between January 1, 2002, and December 31, 2013. Same-day bilateral THA and hemiarthroplasties were excluded. All-cause mortality was recorded from the day of surgery to the end of the study (December 31, 2013). Data capture was complete for the SMART Registry. No patients were lost to followup in the KPTJRR cohort and 2959 (5%) THAs and 5251 (5%) TKAs had missing data. Cox proportional hazard regression was used to estimate the all-cause mortality associated with six BMI categories: underweight (< 18.5 kg/m), normal weight (18.5-24.9 kg/m), overweight (25.0-29.9 kg/m), obese class I (30.0-34.9 kg/m), obese class II (35.0-39.9 kg/m), and obese class III (> 40 kg/m). For TKA, the SMART cohort had a median followup of 5 years (range, 0-12 years) and the KPTJRR cohort had a median followup of 4 years (range, 0-12 years). For THA, the SMART cohort had a median followup of 5 years (range, 0-12 years) and the KPTJRR cohort had a median followup of 4 years (range, 0-12 years). RESULTS In both the Australian and US cohorts, being underweight (Australia: hazard ratio [HR], 3.72; 95% confidence interval [CI], 1.94-7.08; p < 0.001 and United States: HR, 1.88; 95% CI, 1.33-2.64; p < 0.001) was associated with higher all-cause mortality after TKA, whereas obese class I (Australia: HR, 0.66; 95% CI, 0.47-0.92; p = 0.015; United States: HR, 0.71; 95% CI, 0.66-0.78; p < 0.001) or obese class II (Australia: HR, 0.54; 95% CI, 0.35-0.82; p = 0.004; United States: HR, 0.73; 95% CI, 0.66-0.81; p < 0.001) was associated with lower mortality when compared with normal-weight patients. In the US cohort, being overweight was also associated with a lower risk of mortality (HR, 0.76; 95% CI, 0.71-0.82; p < 0.001). In the US cohort, being underweight had a higher risk of mortality after THA (HR, 2.09; 95% CI, 1.65-2.64; p < 0.001), whereas those overweight (HR, 0.73; 95% CI, 0.67-0.80; p < 0.001), obese class I (HR, 0.68; 95% CI, 0.62-0.75; p < 0.001), or obese class II (HR, 0.71; 95% CI, 0.62-0.81; p < 0.001) were at a lower risk of mortality after THA when compared with normal-weight patients. In patients undergoing THA in the Australian cohort, we observed no association between BMI and risk of death. CONCLUSIONS We found that even severe obesity is not associated with a higher risk of death after arthroplasty. Patients should be informed of this when considering surgery. Clinicians should be cautious when considering total joint arthroplasty in underweight patients without first considering their nutritional status. LEVEL OF EVIDENCE Level III, therapeutic study.
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Ekram ARMS, Cicuttini FM, Teichtahl AJ, Crammond BR, Lombard CB, Liew SM, Urquhart DM, Wluka AE. Weight satisfaction, management strategies and health beliefs in knee osteoarthritis patients attending an outpatient clinic. Intern Med J 2017; 46:435-42. [PMID: 26762652 DOI: 10.1111/imj.13007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Revised: 12/23/2015] [Accepted: 01/06/2016] [Indexed: 11/29/2022]
Abstract
BACKGROUND Although weight control is important in managing knee osteoarthritis (OA), it is difficult to achieve. Understanding beliefs regarding weight management in people with knee OA may improve weight control. AIMS To examine differences in bodyweight satisfaction, weight management strategies and weight-related health-beliefs in obese, overweight and normal weight people with knee OA. METHODS The beliefs and attitudes to weight in 102 people with symptomatic knee OA were ascertained. Participants were classified as being obese, overweight or of normal weight. RESULTS Although obese and overweight participants were less satisfied with their bodyweight, they were more likely to want to lose weight and to report dieting compared with normal weight participants(P < 0.001 for all) and also more likely to report weight gain in the past 6 months (P < 0.001). While most participants rated food intake to be a main determinant of health, this belief was more common in normal weight participants (P = 0.04). When asked about their own weight gain, obese participants more frequently believed genetic and metabolic factors to be important than normal and overweight participants (P = 0.01). While 51 (53%) believed that increasing activity was more important than dietary change to avoid weight gain, this was more commonly believed by obese and overweight participants (P < 0.05). CONCLUSIONS Despite desiring and attempting to lose weight, obese people with symptomatic knee OA more commonly reported weight gain. Overweight and obese participants attributed weight gain to non-modifiable factors but believed physical activity is more important than dietary change in weight management. Thus, education regarding the importance of diet as compared with non-modifiable factors and physical activity may improve weight management in obese people with knee OA.
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Affiliation(s)
- A R M S Ekram
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Rajshahi Medical College and Hospital, Rajshahi, Bangladesh
| | - F M Cicuttini
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - A J Teichtahl
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Baker IDI Heart and Diabetes Institute, Monash University, Melbourne, Victoria, Australia
| | - B R Crammond
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - C B Lombard
- Healthy Lifestyle Research, Department of Nutrition and Dietetics, Monash University, Melbourne, Victoria, Australia
| | - S M Liew
- Department of Orthopaedic Surgery, Alfred Hospital, Melbourne, Victoria, Australia.,Department of Surgery, Monash University, Melbourne, Victoria, Australia
| | - D M Urquhart
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - A E Wluka
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
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Dowsey MM, Spelman T, Choong PFM. Development of a Prognostic Nomogram for Predicting the Probability of Nonresponse to Total Knee Arthroplasty 1 Year After Surgery. J Arthroplasty 2016; 31:1654-60. [PMID: 26935945 DOI: 10.1016/j.arth.2016.02.003] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Revised: 01/18/2016] [Accepted: 02/02/2016] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Indications for total knee arthroplasty (TKA) currently depend on clinical judgment. Up to one fifth of those who undergo primary TKA do not report a clinically meaningful improvement in pain and function after surgery. Our aim was to develop and internally validate a prognostic tool for predicting the probability of nonresponse to surgery at 12 months. METHODS Patients from 1 center who underwent primary TKA (N = 615) between 2012 and 2013. The Western Ontario and McMaster Universities Arthritis Index was collected pre- and 12 months after TKA from which nonresponse to surgery was determined using the Outcome Measures in Rheumatology-Osteoarthritis Research Society International responder criteria. Using independent prognostic correlates of postoperative nonresponse observed in adjusted modeling, we derived a prognostic nomogram to estimate the probability of nonresponse to TKA based on this suite of explanatory variables. RESULTS A total of 90/615 (15%) cases were nonresponders to TKA. The degree of contribution (odds ratio, 95% confidence interval) of each explanatory factor to nonresponse nomogram points was body mass index ≥40 kg/m(2) (3.48; 1.97-6.12), Kellgren and Lawrence <4 (2.59; 1.58-4.24), mental disability on Short Form Health Survey (SF-12) mental component score (3.30; 1.44-7.58), and every 10-point increase in preoperative Western Ontario and McMaster Universities Arthritis Index score (0.81; 0.68-0.97). The concordance index for this model was 0.74. CONCLUSION We have created a prognostic nomogram that displays the predictive probabilities of nonresponse to TKA as a source of decision support for clinicians and patients, about their likely functional outcome from TKA. Although our own internal validation suggested good nomogram performance, external validation in a comparable surgical population is required to confirm generalizability of the nomogram.
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Affiliation(s)
- Michelle M Dowsey
- The University of Melbourne Department of Surgery, St. Vincent's Hospital Melbourne, Fitzroy, Victoria, Australia; Department of Orthopaedics, St. Vincent's Hospital Melbourne, Fitzroy, Victoria, Australia
| | - Tim Spelman
- The University of Melbourne Department of Surgery, St. Vincent's Hospital Melbourne, Fitzroy, Victoria, Australia
| | - Peter F M Choong
- The University of Melbourne Department of Surgery, St. Vincent's Hospital Melbourne, Fitzroy, Victoria, Australia; Department of Orthopaedics, St. Vincent's Hospital Melbourne, Fitzroy, Victoria, Australia
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13
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Dowsey MM, Smith AJ, Choong PFM. Latent Class Growth Analysis predicts long term pain and function trajectories in total knee arthroplasty: a study of 689 patients. Osteoarthritis Cartilage 2015; 23:2141-2149. [PMID: 26187575 DOI: 10.1016/j.joca.2015.07.005] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Revised: 06/30/2015] [Accepted: 07/06/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To characterize groups of subjects according to their trajectory of knee pain and function over 1 to 5 years post total knee arthroplasty (TKA). METHODS Patients from one centre who underwent primary TKA (N = 689) between 2006 and 2008. The Knee Society Score (KSS) was collected pre-operatively and annually post-operatively. Latent Class Growth Analysis (LCGA) was used to classify groups of subjects according to their trajectory of knee pain and function over 1-5 years post-surgery. RESULTS LCGA identified a class of patients with persistent moderate knee pain (22.0%). Predictors (OR, 95% CI) of moderate pain trajectory class membership were pre-surgery SF12 mental component summary (MCS) per 10 points (0.65, 0.54-0.79) and physical component summary (PCS) per 10 points (0.50, 0.33-0.76), Charlson Comorbidity Index (CCI) one (1.70, 1.07-2.69) and ≥two (2.82, 1.59-4.81) and the absence of computer-navigation (2.26, 1.09-4.68). LCGA also identified a class of patients with poor function (23.0%). Predictors of low function trajectory class membership were, female sex (3.31, 1.95-5.63), advancing age per 10 years (2.27, 1.69-3.02), pre-surgery PCS per 10 points (0.50, 0.33-0.74), obesity (1.69, 1.05-2.72), morbid obesity (3.12, 1.55-6.27) and CCI ≥two (2.50, 1.41-4.42). CONCLUSIONS Modifiable predictors of poor response to TKA included baseline co-morbidity, physical and mental well-being and obesity. This provides useful information for clinicians in terms of informing patients of the expected course of longer term outcomes of TKA and for developing prediction algorithms that identify patients in whom there is a high likelihood of poor surgical response.
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Affiliation(s)
- M M Dowsey
- Department of Orthopaedics and The University of Melbourne Department of Surgery, St. Vincent's Hospital Melbourne, Australia.
| | - A J Smith
- School of Physiotherapy and Exercise Science, Faculty of Health Sciences, Curtin University, Australia.
| | - P F M Choong
- Department of Orthopaedics and The University of Melbourne Department of Surgery, St. Vincent's Hospital Melbourne, Australia.
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