Joint Arthroplasty in the Oldest People

Editors

1. Orthopaedic Surgery and Traumatology (Lead), University Hospital of Salamanca, Salamanca, Spain
2. Orthopaedic Surgery and Traumatology, Surgery Department, University of Salamanca (USAL), Salamanca, Spain
3. Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
Interests: orthogeriatrics; surgery; orthopedics; spine surgery; hip; knee
Special Issues, Collections and Topics in MDPI journals
Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
Interests: clinical trials; statistics; clinical research

Topical Collection Information

Dear Colleagues,

The increasing life expectancy and improved patient healthcare have led to an increasing number of older patients requiring arthroplasty. The rationale ranges from fracture treatment to osteoarthritis or degenerative pathology treatment. Advanced age should not be per se a contraindication for the performance of an arthroplasty. A significant number of older patients have an active life, and may therefore require this type of surgical treatment.

Arthroplasties in the general population relieve or eliminate joint pain and improve the function of the injured joint, and hence have very satisfactory results, with low complication rates and long implant survival. Advanced age can be a determining factor in the evaluation of the clinical and functional situation of patients, applying the necessary measures to reduce the surgical risk. Likewise, the bone tissue in older patients can condition the type of implant, seeking immediate stabilization and anchorage to allow the early resumption of activity. Currently, the use of cemented implants is broadly accepted in older patients. However, other authors have also reported satisfactory results of cementless implants in older patients.

Finally, it will be necessary to bear in mind the social and family situation of each patient at hospital discharge and postoperative follow-up, ensuring the availability of care structures that allow adequate rehabilitation treatment and return to normal life.

In view of the aforementioned, it seems of interest to study the application of joint arthroplasty in the geriatric population.

Prof. Juan F. Blanco
Dr. Carmen da Casa
Collection Editors

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Keywords

  • older patients
  • joint arthroplasty
  • hip
  • knee
  • shoulder
  • joint replacement

Published Papers (12 papers)

2023

Jump to: 2022, 2021, 2018

9 pages, 1532 KiB  
Case Report
Metallosis after Hip Arthroplasty Damages Skeletal Muscle: A Case Report
by Roberto Bonanni, Lorenzo Abbondante, Ida Cariati, Elena Gasbarra and Umberto Tarantino
Geriatrics 2023, 8(5), 92; https://0-doi-org.brum.beds.ac.uk/10.3390/geriatrics8050092 - 15 Sep 2023
Cited by 2 | Viewed by 1138
Abstract
Good musculoskeletal quality dramatically influences the outcome of an arthroplasty operation in geriatric patients, as well as is a key element for optimal osseointegration. In this context, metallosis is a complication associated with the type of prosthesis used, as implants with a chromium–cobalt [...] Read more.
Good musculoskeletal quality dramatically influences the outcome of an arthroplasty operation in geriatric patients, as well as is a key element for optimal osseointegration. In this context, metallosis is a complication associated with the type of prosthesis used, as implants with a chromium–cobalt interface are known to alter the bone microarchitecture and reduce the ratio of muscle to fat, resulting in lipid accumulation. Therefore, the aim of our study was to investigate possible muscle changes by histological, morphometric, and immunohistochemical analyses in a patient undergoing hip replacement revision with elevated blood and urinary concentrations of chromium and cobalt. Interestingly, the muscle tissue showed significant structural changes and a massive infiltration of adipose tissue between muscle fibers in association with an altered expression pattern of important biomarkers of musculoskeletal health and oxidative stress, such as myostatin and NADPH Oxidase 4. Overall, our results confirm the very serious impact of metallosis on musculoskeletal health, suggesting the need for further studies to adopt a diagnostic approach to identify the cause of metallosis early and eliminate it as part of the prosthesis revision surgery. Full article
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2022

Jump to: 2023, 2021, 2018

8 pages, 423 KiB  
Article
Sway and Acceleration Changes of the Center of Mass during Walking Stance Phase before and after Total Knee Arthroplasty
by Takashi Fukaya, Hirotaka Mutsuzaki and Koichi Mori
Geriatrics 2023, 8(1), 2; https://0-doi-org.brum.beds.ac.uk/10.3390/geriatrics8010002 - 24 Dec 2022
Viewed by 1232
Abstract
Elucidating the sway and changes in the acceleration of center of mass (COM) during walking is important for effective gait training and rehabilitation. The objective of this study was to verify the improvement in gait before and after total knee arthroplasty (TKA) from [...] Read more.
Elucidating the sway and changes in the acceleration of center of mass (COM) during walking is important for effective gait training and rehabilitation. The objective of this study was to verify the improvement in gait before and after total knee arthroplasty (TKA) from COM sway and the changes in the acceleration of COM during the stance phase of walking. This study included 13 patients (1 male and 12 females) with medial knee osteoarthritis who were hospitalized for TKA. The COM sway during the stance phase of walking was evaluated using root mean square (RMS) normalized by walking speed, and the changes in acceleration were further verified. Lateral and vertical RMS showed significant differences between preoperative and postoperative states and demonstrated low values after TKA. The lateral acceleration at the latter part of the early stance phase demonstrated a significant difference between preoperative and postoperative states. A significant difference was also observed in the lateral acceleration in the late stance phase between the two groups. Improvement in pain and alignment after TKA reduced the lateral sway of COM and the changes in acceleration during the gait stance phase, which is speculated to lead to improvement in gait and prevention of falls. Full article
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11 pages, 2480 KiB  
Article
Primary Arthroplasty or Internal Fixation in Intertrochanteric Femur Fractures: A Survey of Surgical Attitudes of Orthopedic Surgeons in Turkey
by Hakan Cici, Yunus Emre Bektas, Nihat Demirhan Demirkiran and Ramadan Ozmanevra
Geriatrics 2022, 7(1), 18; https://0-doi-org.brum.beds.ac.uk/10.3390/geriatrics7010018 - 14 Feb 2022
Cited by 1 | Viewed by 1810
Abstract
This study aimed to examine the primary arthroplasty attitudes of Turkish orthopedics and traumatology specialists and residents to patients with intertrochanteric fractures, of various ages, comorbidity situations and fracture types, using an internet-based questionnaire. Between March and April 2021, a cross-sectional survey was [...] Read more.
This study aimed to examine the primary arthroplasty attitudes of Turkish orthopedics and traumatology specialists and residents to patients with intertrochanteric fractures, of various ages, comorbidity situations and fracture types, using an internet-based questionnaire. Between March and April 2021, a cross-sectional survey was conducted with a total of 159 orthopedics and traumatology specialists and residents in Turkey, using an online questionnaire that consisted of 16 different patient scenarios of varying intertrochanteric fracture types, ages, and comorbidity conditions. Respondents’ preference ratio for primary arthroplasty was 24.1% in the scenarios with patients over the age of 71, while it was 8.4% in the scenarios with patients aged between 50 and 70. The ratios of primary arthroplasty preference were 12.4%, 21% and 27.3% in 2-part, 3-part and 4-part fracture scenarios, respectively. The primary arthroplasty preferences of respondents with 10 years or more of professional experience were observed to be statistically significantly different to those of the respondents with 1 to 10 years of experience in the 4-part fracture scenario where the patient was aged 71 years and above with an ASA (American Society of Anesthesiologists) score of 3–4 (p < 0.05). Despite varying opinions in the literature in recent years, primary arthroplasty can be considered a valuable alternative approach for Turkish surgeons, and in older adult patients with unstable intertrochanteric fractures, particularly those who need early mobilization and have high ASA scores. Full article
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2021

Jump to: 2023, 2022, 2018

8 pages, 570 KiB  
Article
Safety of Total Knee Arthroplasty without Using a Tourniquet in Elderly Patients
by Satoshi Miyamoto, Masahide Kosugi, Shin Sasaki and Ken Okazaki
Geriatrics 2021, 6(4), 100; https://0-doi-org.brum.beds.ac.uk/10.3390/geriatrics6040100 - 16 Oct 2021
Cited by 2 | Viewed by 2136
Abstract
This study retrospectively compared the perioperative bleeding, hemodynamics, and clinical outcomes of total knee arthroplasty (TKA) performed with and without a tourniquet between two age groups. We grouped 103 patients with knee osteoarthritis who underwent primary TKA based on age at surgery: <76 [...] Read more.
This study retrospectively compared the perioperative bleeding, hemodynamics, and clinical outcomes of total knee arthroplasty (TKA) performed with and without a tourniquet between two age groups. We grouped 103 patients with knee osteoarthritis who underwent primary TKA based on age at surgery: <76 years and ≥76 years. Tourniquet was used for TKA until March 2010 and stopped thereafter; hence, the patients were further classified according to TKA performed with or without a tourniquet. The differences in the operation time; perioperative bleeding; estimated bleeding; and hemoglobin (Hb) and hematocrit (Ht) levels immediately, 1 day, and 7 days postoperatively were evaluated. The clinical outcomes for range of motion, and Knee Society Knee Scores preoperatively and at 4 weeks postoperatively were assessed. Operation time was longer in the ≥76-year-old non-tourniquet group. No difference was observed in estimated bleeding among the groups. Changes in the Hb and Ht levels at postoperative days 1 and 7 were negatively correlated with age but were not different for TKA performed with or without a tourniquet in the ≥76-year-old-patient group. There were no differences in clinical outcomes among the groups. TKA can be performed with or without a tourniquet in patients aged ≥ 76 years with careful assessment of postoperative anemia. Full article
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7 pages, 228 KiB  
Article
Total Knee Arthroplasty for the Oldest Old
by Carmen da Casa, Helena Fidalgo, Javier Nieto, Enrique Cano-Lallave and Juan F. Blanco
Geriatrics 2021, 6(3), 75; https://0-doi-org.brum.beds.ac.uk/10.3390/geriatrics6030075 - 04 Aug 2021
Cited by 2 | Viewed by 1733
Abstract
The present study describes and compares the early functional results after total knee arthroplasty (TKA) of the oldest-old population (aged over 84 years) and a randomly matched younger septuagenarian cohort so treated. We aimed to evaluate the early functional outcomes after patients’ rehabilitation [...] Read more.
The present study describes and compares the early functional results after total knee arthroplasty (TKA) of the oldest-old population (aged over 84 years) and a randomly matched younger septuagenarian cohort so treated. We aimed to evaluate the early functional outcomes after patients’ rehabilitation and the yearly requirements for hospital readmission and emergency room visits after TKA. We noted a similar length of hospital stay for octogenarian and septuagenarian patients, and we determined that both groups of patients were improving ROM (both flexion and extension) after the rehabilitation program (p < 0.05, in all cases), but there were no significant differences between octogenarian and septuagenarian improvement of the knee function (p > 0.05, in all cases). Patients from both age groups behaved similarly in terms of mobility before starting rehabilitation and after completion of the rehabilitation program. We noted that older octogenarian patients showed a higher one-year hospital readmission rate than younger septuagenarian patients, but similar early emergency room visits for both age groups. The findings of this study allow us to conclude that advanced age in itself should not be a contraindication for TKA. Full article
9 pages, 1014 KiB  
Article
Total Hip Arthroplasty (THA) for Femoral Neck Fractures: Comparison between Standard and Dual Mobility Implants
by Riccardo L. Alberio, Mattia Rusconi, Loris Martinetti, Diego Monzeglio and Federico A. Grassi
Geriatrics 2021, 6(3), 70; https://0-doi-org.brum.beds.ac.uk/10.3390/geriatrics6030070 - 07 Jul 2021
Cited by 7 | Viewed by 3316
Abstract
The purpose of this retrospective study is to compare the short-term clinical and radiological results between standard and dual mobility THA for femoral neck fractures (FNF) in older patients. The hypothesis is that the dual mobility cup (DMC) has the same outcomes but [...] Read more.
The purpose of this retrospective study is to compare the short-term clinical and radiological results between standard and dual mobility THA for femoral neck fractures (FNF) in older patients. The hypothesis is that the dual mobility cup (DMC) has the same outcomes but a lower dislocation rate than the standard THA. The study population included 56 patients (mean age 77.7 years, range 71–85) that underwent THA for displaced FNF. Patients were divided in two comparable groups for baseline characteristics (age, sex and comorbidities): 28 patients underwent THA with a standard cup (SC) and 28 THA with DMCs. The clinical records and radiograms were reviewed to search relevant data in their postoperative history. Two postoperative dislocations occurred in the SC group and none in the DMC group. At an average follow up of 23 months (12–40), 48 patients were available for the final evaluation. The WOMAC score for all patients averaged 6.26 (0–46) and was slightly better in the DMC group (4.94 vs. 7.58; p-value = 0.41); scores were significantly better in presence of neurological comorbidities (p-value = 0.04), in the absence of diabetes (p-value = 0.04) and in the case of psychiatric disorders (p-value = 0.02). Radiographic evaluation at one year showed signs of osteointegration in 42/48 (87.5%) acetabular components (20 DMCs, 22 SC). According to our experience, DMCs proved to be a valid option for the treatment of displaced FNF in older patients, since it allowed them to achieve short-term outcomes comparable to conventional THA, while decreasing the incidence of postoperative dislocations. Full article
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8 pages, 424 KiB  
Article
Total Knee Arthroplasty in Octogenarians: Should We Still Be so Restrictive?
by Jose Maria Trigueros-Larrea, Maria Antonia Gonzalez-Bedia, Jose Maria Lomo-Garrote, Oscar Martin-de la Cal and Miguel Angel Martin-Ferrero
Geriatrics 2021, 6(3), 67; https://0-doi-org.brum.beds.ac.uk/10.3390/geriatrics6030067 - 30 Jun 2021
Cited by 8 | Viewed by 2270
Abstract
Demand for total knee arthroplasty (TKA) in octogenarians will increase in subsequent years as society ages. We conducted a retrospective observational study in octogenarians operated on with TKA between 2015 and 2019, comparing preoperative and postoperative Knee Society Score (KSS), Knee Society Function [...] Read more.
Demand for total knee arthroplasty (TKA) in octogenarians will increase in subsequent years as society ages. We conducted a retrospective observational study in octogenarians operated on with TKA between 2015 and 2019, comparing preoperative and postoperative Knee Society Score (KSS), Knee Society Function Score (KSFS), extension and flexion balance, and radiologic alignment using a paired Student t-test. A chi-squared test was used to correlate mortality with Charlson comorbidities index score and with ASA scale. Kaplan–Meier analysis was performed to calculate patient survival. In this period 36 patients ≥80 years underwent TKA, with a mean age of 81.6 years. Of these, 24 patients (66.7%) were classified as ASA II and 12 (33.3%) as ASA III. Sixteen patients (44.4%) were Charlson 0, 14 (38.9%) Charlson 1, two (5.6%) Charlson 2, and four (11.1%) Charlson 3. KSS, KSFS, flexion and extension range, and radiologic alignment were statistically significant (p < 0.001) when comparing preoperatory and post-operatory data. No correlation (p > 0.05) was found between mortality and ASA or Charlson score. Seven patients (19.4%) suffered a medical complication and two patients experienced surgical complications. Four patient died (11.1%) during follow-up. The mean patient survival was 67.4 months. Patients ≥80 years achieve clinical improvement after TKA. Comorbidities, not age, are the burden for surgery in older patients. Full article
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10 pages, 834 KiB  
Article
Long-Term Results of Joint Arthroplasty with Total Prosthesis for Trapeziometacarpal Osteoarthritis in Patients over 65 Years of Age
by Miguel Angel Martin-Ferrero, Jose Maria Trigueros-Larrea, Elsa Martin-de la Cal, Begoña Coco-Martin and Clarisa Simon-Perez
Geriatrics 2021, 6(3), 65; https://0-doi-org.brum.beds.ac.uk/10.3390/geriatrics6030065 - 29 Jun 2021
Cited by 4 | Viewed by 2642
Abstract
Trapeziometacarpal osteoarthritis (TMCOA) is a highly prevalent disease in the older population. Many different types of surgical treatments are possible, depending on the degree of joint involvement, the personal and professional circumstances of the patient and the preferences of the orthopedic surgeon. This [...] Read more.
Trapeziometacarpal osteoarthritis (TMCOA) is a highly prevalent disease in the older population. Many different types of surgical treatments are possible, depending on the degree of joint involvement, the personal and professional circumstances of the patient and the preferences of the orthopedic surgeon. This paper evaluated the clinical and radiological results of consecutive cohorts of patients over 65 years old treated with total joint arthroplasties (TJA) of the ball and socket type (B&S) for TMCOA, with a minimum of 10 years follow-up. The survival rate (Kaplan–Meier) of the functional prostheses at 10 years was 92.2% (95% CI (89.1%, 96.1%). These functional arthroplasty patients, after 10 years of follow-up, showed little or no pain, good function and good key pinch, without radiological alterations. TJAs of the B&S type are a long lasting, effective and reliable alternative to surgical treatment of TMCOA in patients over 65 years of age, when they are performed with the patient selection criteria and surgical technique described throughout this study. Full article
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9 pages, 209 KiB  
Article
Episode-of-Care Costs for Revision Total Joint Arthroplasties by Decadal Age Groups
by Christopher Fang, Nicholas Pagani, Matthew Gordon, Carl T. Talmo, David A. Mattingly and Eric L. Smith
Geriatrics 2021, 6(2), 49; https://0-doi-org.brum.beds.ac.uk/10.3390/geriatrics6020049 - 11 May 2021
Cited by 5 | Viewed by 2081
Abstract
The demand for revision total joint arthroplasties (rTJAs) is expected to increase as the age of the population continues to rise. Accurate cost data regarding hospital expenses for differing age groups are needed to deliver optimal care within value-based healthcare (VBHC) models. The [...] Read more.
The demand for revision total joint arthroplasties (rTJAs) is expected to increase as the age of the population continues to rise. Accurate cost data regarding hospital expenses for differing age groups are needed to deliver optimal care within value-based healthcare (VBHC) models. The aim of this study was to compare the total in-hospital costs by decadal groups following rTJA and to determine the primary drivers of the costs for these procedures. Time-driven activity-based costing (TDABC) was used to capture granular hospital costs. A total of 551 rTJAs were included in the study, with 294 sexagenarians, 198 septuagenarians, and 59 octogenarians and older. Sexagenarians had a lower ASA classification (2.3 vs. 2.4 and 2.7; p < 0.0001) and were more often privately insured (66.7% vs. 24.2% and 33.9%; p < 0.0001) as compared to septuagenarians and octogenarians and older, respectively. Sexagenarians were discharged to home at a higher rate (85.3% vs. 68.3% and 34.3%; p < 0.0001), experienced a longer operating room (OR) time (199.8 min vs. 189.7 min and 172.3 min; p = 0.0195), and had a differing overall hospital length of stay (2.8 days vs. 2.7 days and 3.6 days; p = 0.0086) compared to septuagenarians and octogenarians and older, respectively. Sexagenarians had 7% and 23% less expensive personnel costs from post-anesthesia care unit (PACU) to discharge (p < 0.0001), and 1% and 24% more expensive implant costs (p = 0.077) compared to septuagenarians and octogenarians and older, respectively. Sexagenarians had a lower total in-hospital cost for rTJAs by 0.9% compared to septuagenarians but 12% more expensive total in-hospital costs compared to octogenarians and older (p = 0.185). Multivariate linear regression showed that the implant cost (0.88389; p < 0.0001), OR time (0.12140; p < 0.0001), personnel cost from PACU through to discharge (0.11472; p = 0.0007), and rTHAs (−0.03058; p < 0.0001) to be the strongest associations with overall costs. Focusing on the implant costs and OR times to reduce costs for all age groups for rTJAs is important to provide cost-effective VBHC. Full article
7 pages, 209 KiB  
Article
Differences in Hospital Costs among Octogenarians and Nonagenarians Following Primary Total Joint Arthroplasty
by Christopher Fang, Andrew Hagar, Matthew Gordon, Carl T. Talmo, David A. Mattingly and Eric L. Smith
Geriatrics 2021, 6(1), 26; https://0-doi-org.brum.beds.ac.uk/10.3390/geriatrics6010026 - 09 Mar 2021
Cited by 5 | Viewed by 1819
Abstract
The proportion of patients over the age of 90 years continues to grow, and the anticipated demand for total joint arthroplasty (TJA) in this population is expected to rise concomitantly. As the country shifts to alternative reimbursement models, data regarding hospital expenses is [...] Read more.
The proportion of patients over the age of 90 years continues to grow, and the anticipated demand for total joint arthroplasty (TJA) in this population is expected to rise concomitantly. As the country shifts to alternative reimbursement models, data regarding hospital expenses is needed for accurate risk-adjusted stratification. The aim of this study was to compare total in-hospital costs following primary TJA in octogenarians and nonagenarians, and to determine the primary drivers of cost. This was a retrospective analysis from a single institution in the U.S. We used time-drive activity-based costing (TDABC) to capture granular total hospital costs for each patient. 889 TJA’s were included in the study, with 841 octogenarians and 48 nonagenarians. Nonagenarians were more likely to undergo total hip arthroplasty (THA) (70.8% vs. 42.4%; p < 0.0001), had higher ASA classification (2.6 vs. 2.4; p = 0.049), and were more often privately insured (35.4% vs. 27.8%; p = 0.0001) as compared to octogenarians. Nonagenarians were more often discharged to skilled nursing facilities (56.2% vs. 37.5%; p = 0.0011), experienced longer operating room (OR) time (142 vs. 133; p = 0.0201) and length of stay (3.7 vs. 3.1; p = 0.0003), and had higher implant and total in-hospital costs (p < 0.0001 and 0.0001). Multivariate linear regression showed implant cost (0.700; p < 0.0001), length of stay (0.546; p < 0.0001), and OR time (0.288; p < 0.0001) to be the strongest associations with overall costs. Primary TJA for nonagenarians was more expensive than octogenarians. Targeting implant costs, length of stay, and OR time can reduce costs for nonagenarians in order to provide cost-effective value-based care. Full article
7 pages, 392 KiB  
Article
Cemented Dual Mobility Cup for Primary Total Hip Arthroplasty in Elder Patients with High-Risk Instability
by José María Lamo-Espinosa, Jorge Gómez-Álvarez, Javier Gatica, Álvaro Suárez, Victoria Moreno, Pablo Díaz de Rada, Andrés Valentí-Azcárate, Matías Alfonso-Olmos, Mikel San-Julián and Juan Ramón Valentí-Nin
Geriatrics 2021, 6(1), 23; https://0-doi-org.brum.beds.ac.uk/10.3390/geriatrics6010023 - 07 Mar 2021
Cited by 11 | Viewed by 2644
Abstract
Several studies have shown that double mobility (DM) cups reduce postoperative dislocations. Does the cemented dual mobility cup reduce dislocations in a specific cohort of elder patients with a high dislocation risk? Our hypothesis is that this implant is optimal for elder patients [...] Read more.
Several studies have shown that double mobility (DM) cups reduce postoperative dislocations. Does the cemented dual mobility cup reduce dislocations in a specific cohort of elder patients with a high dislocation risk? Our hypothesis is that this implant is optimal for elder patients because it reduces early dislocation. We have retrospectively reviewed elder patients who underwent total hip arthroplasty (THA) with cemented double mobility cup between March 2009 and January 2018. The inclusion criteria were patients (>75 years) who were operated on for primary THA (osteoarthritis or necrosis) with a cemented dual mobility cup and a high-risk instability (at least two patient-dependent risk factors for instability). The exclusion criteria were revision surgeries or hip fracture. In all the cases, the same surgical approach was performed with a Watson Jones modified approach in supine position. We have collected demographic data, instability risk factors. Patients were classified using the Devane’s score, Merle d’Aubigné score and the patient’s likelihood of falling with the Morse Fall Scale. Surgical and follow-up complications were collected from their medical history. Sixty-eight arthroplasties (68 patients) were included in the study. The median age was 81.7 years (SD 6.4), and the American Society of Anesthesiologists (ASA) score showed a distribution: II 27.94%, III 63.24% and IV 8.82%. Devane’s score was less than five in all of the cases. At least two patient-dependent risk factors for instability (87% had three or more) were present in each case. The median follow-up time was 49.04 months (SD 22.6). Complications observed were two cases of infection and one case of aseptic loosening at 15 months which required revision surgery. We did not observe any prosthetic dislocation. The cemented dual mobility cup is an excellent surgical option on primary total hip arthroplasties for elder patients with high-risk instability. Full article
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2018

Jump to: 2023, 2022, 2021

9 pages, 196 KiB  
Article
Comparing Inpatient Complication Rates between Octogenarians and Nonagenarians following Primary and Revision Total Knee Arthroplasty in a Nationally Representative Sample, 2010–2014
by Eric L Smith, Evan M Dugdale, David Tybor and Michael Kain
Geriatrics 2019, 4(1), 3; https://0-doi-org.brum.beds.ac.uk/10.3390/geriatrics4010003 - 22 Dec 2018
Cited by 13 | Viewed by 6237
Abstract
We compared the inpatient postoperative complication rates between octogenarians and nonagenarians undergoing primary and revision total knee arthroplasty (TKA). We used the Nationwide Inpatient Sample (NIS) to analyze inpatient admission data from 2010–2014. We compared the rates at which nonagenarians and octogenarians developed [...] Read more.
We compared the inpatient postoperative complication rates between octogenarians and nonagenarians undergoing primary and revision total knee arthroplasty (TKA). We used the Nationwide Inpatient Sample (NIS) to analyze inpatient admission data from 2010–2014. We compared the rates at which nonagenarians and octogenarians developed each complication following both primary TKA (PTKA) and revision TKA (RTKA). A national estimate of 324,933 patients were included in our study. A total of 313,299 (96.42%) were octogenarians, and 11,634 (3.58%) were nonagenarians. 294,462 (90.62%) underwent PTKA, and 30,471 (9.38%) underwent RTKA. Nonagenarians undergoing PTKA had a higher inpatient mortality rate, and developed sepsis more frequently than octogenarians. Nonagenarians undergoing RTKA had a higher inpatient mortality rate, and developed cardiogenic shock more frequently than octogenarians. In both PTKA and RTKA, nonagenarians received transfusions more frequently, and developed urinary tract infection and acute kidney injury more frequently than octogenarians. In both PTKA and RTKA, nonagenarians sustained a higher inpatient mortality rate than octogenarians. Orthopedic surgeons should counsel nonagenarian patients undergoing both PTKA and RTKA preoperatively about this increased mortality risk, as well as the increased risks of more minor complications like transfusion, urinary tract infection, and acute kidney injury. Full article
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