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There is a paucity of literature analysing the importance of leadership within trauma and orthopaedics. However, such skills are essential to make an orthopaedic surgeon proficient in their various roles. This literature review on leadership within orthopaedics enables an understanding of current issues. A narrative literature review was conducted using Pubmed, Medline and The National Centre for Biotechnology databases. The search string used to conduct the narrative literature review was (orthopaedic) and (leadership[Title]). The articles were screened by title, abstract and full text. A reference search was subsequently conducted on these papers using the same inclusion and exclusion criteria. The papers then underwent a thematic analysis to understand the issues surrounding leadership in orthopaedics. The critical themes recognised were quality improvement, training, women in leadership, inequality and traits of a leader. Through reviewing the themes in this article, a framework was developed to identify the current issues and potential avenues of advancing orthopaedic leadership. This narrative literature review has demonstrated a paucity of research in orthopaedic leadership. Further work would create a robust evidence base, outline ideal orthopaedic leadership and standardise training to create better orthopaedic leaders.
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Procedimentos Ortopédicos , Ortopedia , Atenção à Saúde , Feminino , Humanos , LiderançaRESUMO
BACKGROUND: In recent years, the number of people pursuing a surgical career in the UK has decreased. The COVID-19 pandemic has led to the cancellation of surgical placements for medical students and has affected surgical education. This study evaluates the perceptions and impact of a 1-day virtual surgical conference for medical students considering pursuing a surgical career. METHODS: All delegates of the 2021 Barts and The London International Surgical Conference were invited to participate in two online surveys pre- and post-conference. Data were collected and analysed to evaluate delegates' reasons for attending the conference, and attitudes towards virtual conferences and a surgical career before and after the conference. RESULTS: Out of 132 participants, 106 (80.3%) completed both the pre- and post-conference surveys. Clinical students showed a statistically significant difference in interest in pursuing a surgical career after the conference than before (P=0.03), unlike pre-clinical students (P=0.12). Post-conference, 43 (40.6%) preferred a virtual to a face-to-face conference, which was a slight increase from 40 (37.7%) pre-conference, while 73 (68.9%) and 80 (75.5%) participants favoured virtual talks and presentations respectively. In contrast, only 12 (11.3%) and 21 (19.8%) students preferred workshops and networking virtually. Furthermore, delegates liked the global accessibility and environmentally-friendly nature of virtual conferences but found they can be less engaging and be disrupted by a poor internet connection. CONCLUSIONS: Virtual surgical conferences have many benefits and can help encourage medical students towards a surgical career. They could help bridge the surgical educational gap in medical school during these unprecedented times. Virtual conferences, which have a broader and more inclusive reach, could be an important complement to conventional conferences after the pandemic.
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COVID-19 , Estudantes de Medicina , Humanos , Pandemias , SARS-CoV-2 , Faculdades de MedicinaRESUMO
BACKGROUND: Slipped capital femoral epiphysis (SCFE) results in alterations to femoral head anatomy, predisposing patients to degenerative hip disease at a young age. Total hip arthroplasty (THA) is performed to relieve symptoms and improve function. However, it can be associated with a variable outcomes and little evidence exists on the functional outcomes, complications and revision rate following such procedures. PURPOSE: The aim of this systematic review is to determine the safety and effectiveness of performing hip arthroplasty in patients with degenerative hips secondary to SCFE. METHODOLOGY: A systematic review was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. A literature review was conducted of MEDLINE and Embase. Both single-arm and comparative studies were included. The outcomes of interest were functional scores, post-operative complications and revision rate. RESULTS: Six studies fit the inclusion criteria. Of these, five were retrospective single-arm studies and one was a retrospective comparative study based on registry data.All studies reported significant improvement in hip function and quality of life after THA. An overall revision rate of 11.9% was reported, occurring at a mean of 6.5 years (0.75-18.7 years).THA in patients after SCFE leads to improved functional outcomes that are comparable to patients receiving THA for osteoarthritis. The revision rate appears to be higher than is reported in patients undergoing THA for osteoarthritis at mid-term follow-up. Further prospective comparative studies are needed to evaluate the efficacy of the treatment in more detail. Cite this article: EFORT Open Rev 2021;6:539-544. DOI: 10.1302/2058-5241.6.200038.
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PURPOSE: To evaluate whether sufficient validity and reliability evidence exists to support the use of global rating scales (GRS) as evaluation tools in both formative assessment and competency assessment of arthroscopic procedures. METHODS: A search of PubMed, Embase, and Scopus was conducted for articles published between 1990 and 2018. Studies reporting measures of validity and reliability of GRS relating to arthroscopic skills were included. Procedural checklists and other assessment tools were excluded. RESULTS: A total of 39 articles met the inclusion criteria. In total, 7 de novo GRS specific for arthroscopic education and 3 pre-existing GRS repurposed 4 times for arthroscopic education were identified in the literature. The 11 GRS were used to assess 1175 surgeons 3890 times. Three GRS tools explicitly defined an arbitrary minimum competency threshold, 6 of 11 tools demonstrated construct validity-the ability to significantly discriminate between groups of differing experience-and 5 of 11 tools assessed inter-rater reliability, but only the Arthroscopic Surgical Skills Evaluation Tool demonstrated excellent inter-rater reliability. The Arthroscopic Surgical Skills Evaluation Tool was validated by 16 articles for a total of 537 surgeons for hip, knee, shoulder, and ankle arthroscopy in both simulated and clinical environments but was found to be invalid in wrist arthroscopy. The Basic Arthroscopic Knee Skill Scoring System was validated by 15 articles for a total of 497 surgeons for knee, hip, and shoulder in both clinical and simulated environments. The remaining 9 GRS were validated by 2 or fewer studies. CONCLUSIONS: Overall, GRS have contributed to training, feedback, and formative assessment practices. The GRS reviewed demonstrate both construct and concurrent validity as well as reliability in multiple arthroscopic procedures in multiple joints. Currently, there is sufficient evidence to use GRS as a feedback tool. However, there is insufficient evidence for its use in high-stakes examinations or as a minimum competency assessment. LEVEL OF EVIDENCE: Level III, systematic review of level I to III studies.
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Artroscopia/educação , Competência Clínica/normas , Articulação do Joelho/cirurgia , Ortopedia/educação , Lista de Checagem , Humanos , Exame Físico , Reprodutibilidade dos Testes , OmbroRESUMO
INTRODUCTION: Chronic liver disease (CLD) is a significant and increasingly prevalent co-morbidity in patients undergoing total hip arthroplasty (THA). These patients may develop metabolic bone disease (MBD) and systemic dysfunction, which pose challenges to THA surgery. This systematic review of literature aims to examine clinical outcomes and complications in patients with CLD undergoing THA and provide evidence-based approaches as to the optimization of their perioperative care. METHODS: A Pubmed search was performed, identifying eight studies on 28 514 THAs for inclusion. Two additional studies reported on 44 patients undergoing THA post liver transplant. These were reviewed separately. RESULTS: Increased early perioperative complications are reported recurrently. Review of long-term complications demonstrates an increased postoperative infection rate of 0.5% (p < 0.001) and perioperative mortality of 4.1% (p < 0.001). The need for revision surgery is more frequent at 4% (p < 0.001). Aetiology of need for revision surgery included; periprosthestic infection (70%), aseptic loosening (13%), instability (13%), periprosthetic fracture (2%) and liner wear (2%). THA in patients with liver transplants seems to offer functional improvement; however, no studies have formally assessed functional outcomes in the patient with active CLD. DISCUSSION: A multidisciplinary perioperative approach is suggested in order to minimize increased complication risks. Specific measures include optimizing haemoglobin and taking measures to reduce infection. This review also highlights gaps in available literature and guides future research to appraise functional outcomes, further detail long-term failure reasons and study any differences in outcomes and complications based on the range of operative approaches and available implant choices.
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INTRODUCTION: The increasing prevalence of obesity has led to an increase in total knee arthroplasties (TKAs) being undertaken in patients with a higher body mass index (BMI). TKA in morbidly obese patients can be technically challenging due to numerous anatomical factors and patient co-morbidities. The long-term outcomes in this patient group are unclear. This systematic review aims to compare the long-term revision rates, functional outcomes and complication rates of TKAs in morbidly obese versus non-obese patients. METHODS: A search of PubMed, EMBASE and PubMed Central was conducted to identify studies that reported revision rates in a cohort of morbidly obese patients (BMI ≥ 40 kg/m2) that underwent primary TKA, compared to non-obese patients (BMI ≤ 30 kg/m2). Secondary outcomes included Knee Society Objective Scores (KSOS), Knee Society Functional Scores (KSFS), and complication rates between the two groups. The difference in revision rates was assessed using the Chi-squared test. The Wilcoxon signed-rank test was used to compare pre-operative and post-operative functional scores for each group. KSOS and KSFS for morbidly obese and non-obese patients were compared using the Mann-Whitney test. Statistical significance was defined as p ≤ 0.05. RESULTS: Nine studies were included in this review. There were 624 TKAs in morbidly obese patients and 9,449 TKAs in non-obese patients, average BMI values were 45.0 kg/m2 (range 40-66 kg/m2) and 26.5 kg/m2 (range 11-30 kg/m2) respectively. The average follow-up time was 4.8 years (range 0.5-14.1) and 5.2 years (range 0.5-13.2) respectively, with a revision rate of 7% and 2% (p < 0.001) respectively. All functional scores improved after TKA (p < 0.001). Pre- and post-operative KSOS and KSFS were poorer in morbidly obese patients, however, mean improvement in KSOS was the same in both groups and comparable between groups for KSFS (p = 0.78). Overall complication rates, including infection, were higher in morbidly obese patients. CONCLUSIONS: This review suggests an increased mid to long-term revision rate following primary TKA in morbidly obese patients, however, these patients have a functional recovery which is comparable to non-obese individuals. There is also an increased risk of perioperative complications, such as superficial wound infection. Morbidly obese patients should be fully informed of these issues prior to undergoing primary TKA.
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Artroplastia do Joelho , Obesidade Mórbida/epidemiologia , Artroplastia do Joelho/efeitos adversos , Artroplastia do Joelho/estatística & dados numéricos , Estudos de Coortes , Humanos , Resultado do TratamentoRESUMO
The increasing prevalence of obesity has resulted in a marked increase in the number of total hip arthroplasties (THAs) carried out in patients with a high body mass index (BMI).THA in morbidly obese patients is often technically challenging owing to the associated co-morbidities and anatomical factors. Furthermore, the long-term clinical and functional outcomes of the procedure in these patients are not clear.The aim of this systematic review was to compare the long-term failure rate and functional outcomes of THA in morbidly obese versus non-obese patients.A literature search of PubMed, EMBASE and PubMed Central was conducted to identify studies that compared the outcomes of THA in patients defined as morbidly obese (BMI ≥ 35) to a control group (BMI < 30). The primary and secondary outcome measures were rate of revision and functional outcome, respectively, in the long term.Eight studies were included in this review. There were 66,238 THAs in morbidly obese patients and 705,619 THAs in patients with a BMI < 30. The overall revision rate was 7.99% in the morbidly obese patients versus 2.75% in the non-obese controls. The functional outcome was at least comparable to non-obese patients.This review suggests that morbidly obese patients have a slightly increased revision rate following THA. Importantly, these patients have a functional recovery at least comparable to those with a BMI < 30. Morbidly obese patients should be fully informed of these issues prior to undergoing surgery. Cite this article: EFORT Open Rev 2018;3:507-512. DOI: 10.1302/2058-5241.3.180011.
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Total knee arthroplasty (TKA) in patients affected by poliomyelitis is technically challenging owing to abnormal anatomical features including articular and metaphyseal angular deformities, external rotation of the tibia, excessive valgus alignment, bone loss, narrowness of the femoral and tibial canals, impaired quadriceps strength, flexion contractures, genu recurvatum and ligamentous laxity. Little information is available regarding the results and complications of TKA in this challenging group of patients.We carried out a systematic review of the literature to determine the functional outcome, complications and revision rates of TKA in patients with poliomyelitis-affected knees. Six studies including 82 knees met the inclusion criteria and were reviewed. The mean patient age was 63 years (45 to 85) and follow-up was 5.5 years (0.5 to 13).All studies reported significant improvement in knee function following TKA. There were six failures requiring revision surgery in 82 cases (7%) occurring at a mean of 6.2 years (0.4 to 12). The reasons for revision surgery were aseptic loosening (17%, n=1), infection (33%, n=2), periprosthetic fracture (17%, n=1) and instability (33%, n=2). Thirty-six knees had a degree of recurvatum pre-operatively (44%), which was in the range of 5° to 30°. Ten of these knees (28%) developed recurrent recurvatum post-operatively.The findings support the use of TKA in patients with poliomyelitis-affected knees. The post-operative functional outcome is similar to other patients; however, the revision rate is higher. Quadriceps muscle power appears to be an important prognostic factor for functional outcome and the use of constrained implant designs is recommended in the presence of less than antigravity quadriceps strength. Cite this article: EFORT Open Rev 2018;3:358-362. DOI: 10.1302/2058-5241.3.170028.
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BACKGROUND: Total hip arthroplasty (THA) in patients with sequelae of Legg-Calvé-Perthes disease (LCP) is technically demanding because of the disease related deformities occuring in the proximal femur and/or the multiplanar deformities secondary to corrective osteotomies in childhood. Little is known about the long-term outcome of the procedure in this challenging group of patients. METHODS: We carried out a systematic review of the literature to determine the functional outcome, complications and revision rate of THA in patients with sequelae of LCP disease. Six out of 148 potential studies involving 245 hips met the inclusion criteria. The mean age was 45.7 years (19-74) and follow-up was 8.4 years (2-21). RESULTS: There were 221 cementless THAs (90%), 22 hybrid THAs (9%) and 2 cemented THAs (1%). The femoral components used included 187 standard stems (76%), 43 modular stems (18%) and 15 custom-made stems (6%). The modular implants used were reamed S-Rom stems. All studies reported a significant improvement in hip function following THA. There were 16 revision THAs (7%) occurring at a mean of 7.5 years (0.4-10.3). Complications included intra-operative fracture (11%, n = 27), aseptic loosening (5%, n = 13), sciatic nerve palsy (3%, n = 7) and heterotopic ossification (2%, n = 4). All intra-operative fractures occurred when standard femoral stems were used. The average limb lengthening in the patients with a post-operative sciatic nerve injury was 1.9 cm. All patients with this complication had a history of previous hip surgery. CONCLUSIONS: THA in patients with LCP disease results in similar functional outcome compared to patients with primary osteoarthritis; however, the revision rate at mid-term follow-up is slightly increased. Reamed modular (S-Rom) and custom femoral implants appear to be associated with a decreased risk of intra-operative fracture. Care should be taken when addressing leg length discrepancy in this group of patients due to the increased risk of sciatic nerve palsy, especially in patients with prior surgical procedures.
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Artroplastia de Quadril , Doença de Legg-Calve-Perthes/cirurgia , Adulto , Idoso , Artroplastia de Quadril/efeitos adversos , Artroplastia de Quadril/métodos , Artroplastia de Quadril/estatística & dados numéricos , Humanos , Pessoa de Meia-Idade , Resultado do Tratamento , Adulto JovemRESUMO
AIM: To investigate the clinical and functional outcomes following total hip arthroplasty (THA) in patients with Paget's disease. METHODS: We carried out a systematic review of the literature to determine the functional outcome, complications and revision rates of THA in patients with Paget's disease. Eight studies involving 358 hips were reviewed. The mean age was 70.4 years and follow-up was 8.3 years. There were 247 cemented THAs (69%), 105 uncemented THAs (29%) and 6 hybrid THAs (2%). RESULTS: All studies reported significant improvement in hip function following THA. There were 19 cases of aseptic loosening (5%) at a mean of 8.6 years. Three cases occurred in the uncemented cohort (3%) at a mean of 15.3 years and 16 cases developed in the cemented group (6%) at a mean of 7.5 years (P = 0.2052). There were 27 revisions in the 358 cases (8%) occurring at a mean of 7 years. Six revisions occurred in the uncemented cohort (6%) at a mean of 8.6 years and 21 in the cemented cohort (9%) at a mean of 6.5 years (P = 0.5117). CONCLUSION: The findings support the use of THA in patients with Paget's disease hip arthropathy. The post-operative functional outcome is largely similar to other patients; however, the revision rate is higher with aseptic loosening being the most common reason for revision. Uncemented implants appear to be associated with a lower failure rate, however, there were no modern stem designs fixed using current generation cementing techniques used in the reported studies, and as such, caution is advised when drawing any conclusions.
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Tranexamic acid (TA) is widely used by orthopedic surgeons to decrease blood loss and the need for transfusion following total hip arthroplasty (THA). Although both intravenous and topical applications are described in the literature, there remains no consensus regarding the optimal regimen, dosage and method of delivery of TA during THA. In addition, concerns still exist regarding the risk of thromboembolic events with intravenous administration. The purpose of this meta-analysis was to compare the efficacy and safety of topical versus intravenous administration of TA in THA. A systemic review of the electronic databases PubMed, CENTRAL, EMBASE and Google Scholar was undertaken to identify all randomized controlled trials (RCTs) comparing the topical and intravenous administration of TA during THA, in terms of total blood loss, rate of blood transfusion and incidence of deep venous thrombosis (DVT) and pulmonary embolism (PE) post-operatively. A meta-analysis was performed to evaluate and compare the efficacy and safety of both methods of administration. Of 248 potentially relevant papers, three RCTs comprising (482) were eligible for data extraction and meta-analysis. The results showed a slightly higher amount of blood loss [Mean Difference (MD) - 46.37, P=0.12, 95% confidence interval (CI) - 12.54 to 105.29] and rate of transfusion (Risk Ratio 1.30, P=0.39, 95%CI 0.71 to 2.37) postoperatively in the topical TA group, but both did not reach statistical significance. There were 3 cases (1.2%) of DVT/PE in the intravenous group and one case (0.4%) in the topical group. Topical TA is an effective and safe method to reduce blood loss and the rate of transfusion following primary THA. It has comparative effectiveness to IV administration with slightly less post-operative thromboembolic complications. Larger and better-designed RCTs are required to establish the optimum dosage and regimen for topical use.
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Osteoartrite do Quadril , Anti-Inflamatórios não Esteroides/uso terapêutico , Artrografia , Artroplastia de Quadril , Humanos , Injeções Intra-Articulares , Imageamento por Ressonância Magnética , Osteoartrite do Quadril/diagnóstico , Osteoartrite do Quadril/etiologia , Osteoartrite do Quadril/terapia , Modalidades de Fisioterapia , Programas de Redução de PesoAssuntos
Antifúngicos/administração & dosagem , Artrite Infecciosa/tratamento farmacológico , Artroplastia de Substituição , Micoses/tratamento farmacológico , Infecções Relacionadas à Prótese/tratamento farmacológico , Artrite Infecciosa/diagnóstico , Artrite Infecciosa/cirurgia , Formas Bacterianas Atípicas , Humanos , Micoses/diagnóstico , Micoses/cirurgia , Infecções Relacionadas à Prótese/diagnóstico , Infecções Relacionadas à Prótese/cirurgiaRESUMO
INTRODUCTION: The present study examined the effect of C-type natriuretic peptide (CNP) and biomechanical signals on anabolic and catabolic activities in chondrocyte/agarose constructs. METHODS: Natriuretic peptide (Npr) 2 and 3 expression were compared in non-diseased (grade 0/1) and diseased (grade IV) human cartilage by immunofluoresence microscopy and western blotting. In separate experiments, constructs were cultured under free-swelling conditions or subjected to dynamic compression with CNP, interleukin-1ß (IL-1ß), the Npr2 antagonist P19 or the Npr3 agonist cANF4⻲³. Nitric oxide (NO) production, prostaglandin E2 (PGE2) release, glycosaminoglycan (GAG) synthesis and CNP concentration were quantified using biochemical assays. Gene expression of Npr2, Npr3, CNP, aggrecan and collagen type II were assessed by real-time qPCR. Two-way ANOVA and a post hoc Bonferroni-corrected t-test were used to analyse the data. RESULTS: The present study demonstrates increased expression of natriuretic peptide receptors in diseased or older cartilage (age 70) when compared to non-diseased tissue (age 60) which showed minimal expression. There was strong parallelism in the actions of CNP on cGMP induction resulting in enhanced GAG synthesis and reduction of NO and PGE2 release induced by IL-1ß. Inhibition of Npr2 with P19 maintained catabolic activities whilst specific agonism of Npr3 with cANF4⻲³ had the opposite effect and reduced NO and PGE2 release. Co-stimulation with CNP and dynamic compression enhanced anabolic activities and inhibited catabolic effects induced by IL-1ß. The presence of CNP and the Npr2 antagonist abolished the anabolic response to mechanical loading and prevented loading-induced inhibition of NO and PGE2 release. In contrast, the presence of the Npr3 agonist had the opposite effect and increased GAG synthesis and cGMP levels in response to mechanical loading and reduced NO and PGE2 release comparable to control samples. In addition, CNP concentration and natriuretic peptide receptor expression were increased with dynamic compression. CONCLUSIONS: Mechanical loading mediates endogenous CNP release leading to increased natriuretic peptide signalling. The loading-induced CNP/Npr2/cGMP signalling route mediates anabolic events and prevents catabolic activities induced by IL-1ß. The CNP pathway therefore represents a potentially chondroprotective intervention for patients with OA, particularly when combined with physiotherapeutic approaches to stimulate biomechanical signals.
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Cartilagem/metabolismo , Peptídeo Natriurético Tipo C/metabolismo , Osteoartrite/metabolismo , Receptores do Fator Natriurético Atrial/metabolismo , Idoso , Reatores Biológicos , Cartilagem/patologia , Células Cultivadas , Feminino , Humanos , Masculino , Microscopia de Fluorescência , Pessoa de Meia-Idade , Modelos Biológicos , Reação em Cadeia da Polimerase em Tempo Real , Transdução de Sinais/fisiologia , Estresse MecânicoRESUMO
UNLABELLED: Tourniquet use is effective in producing a bloodless field. It is recommended that the least effective pressures be used to minimize tissue microstructure and biochemical damage from tourniquet application. When applied at the thigh, the minimum effective tourniquet pressure is 90 to 100 mm Hg above systolic BP, and in a normotensive, nonobese patient, pressure of 250 mm Hg is sufficient. Similarly, an arm tourniquet pressure of 200 mm Hg is recommended. The purpose of this survey was to assess the tourniquet pressures used by orthopaedic surgeons, both academic and community based, and their familiarity with associated literature. MATERIALS: A Website-based survey was distributed to a random sample of academic and community-based surgeons. Respondents were asked the upper and lower-extremity tourniquet pressures they routinely use. They were asked if they were able to cite or were aware of literature to support their answer. They were also asked to specify their practice setting and years in practice. Results were statistically analyzed utilizing Fisher's exact test and Mann-Whitney test. RESULTS: A total of 199 survey responses were collected. Out of these, 151 (76%) were complete for the lower extremity, and 141 (71%) were complete for upper extremity. The average years in practice were 12.6 years (range, 1-30). The median LE pressure was 300 mm (range, 150-400), and the median UE pressure was 250 mm (range, 150-300). Less than 20% of respondents routinely used pressures of 250 mm or less for the lower extremity. For upper extremity, only 11.3% used pressures at or below 200 mm. Surgeons in academic practice were more likely to use lower tourniquet pressures, and less likely to choose "don't know" as the option for literature support, but the difference was not statistically significant. Although 60% of respondents thought that they were aware of literature supporting their answers, only 25% of these for the lower extremity and 11% for the upper used the correct pressures. CONCLUSION: This survey demonstrates the existing gulf between tourniquet use and supporting literature. Tourniquet use is not benign and the correct pressure usage allows the least morbidity. We hope this survey will raise awareness of the correct tourniquet pressures and change practice patterns based on "that's how we have always done it".
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Ortopedia , Padrões de Prática Médica , Pressão , Torniquetes , Traumatologia , Braço , Pressão Sanguínea , Competência Clínica , Pesquisas sobre Atenção à Saúde , Humanos , Perna (Membro)RESUMO
The incidence of chronic renal disease is increasing, and the pattern of renal osteodystrophy seems to be shifting from the classic hyperparathyroid presentation to one of low bone turnover. Patients with persistent disease also live longer than previously and are more physically active. Thus, patients may experience trauma as a direct result of increased physical activity in a setting of weakened pathologic bone. Patient quality of life is primarily limited by musculoskeletal problems, such as bone pain, muscle weakness, growth retardation, and skeletal deformity. Chronic renal disease also increases the risk of comorbidity, such as infection, bleeding, and anesthesia-related problems. Current treatment strategies include dietary changes, plate-and-screw fixation, and open reduction and internal fixation.
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Distúrbio Mineral e Ósseo na Doença Renal Crônica , Artroplastia de Quadril , Densidade Óssea , Osso e Ossos/patologia , Distúrbio Mineral e Ósseo na Doença Renal Crônica/diagnóstico , Distúrbio Mineral e Ósseo na Doença Renal Crônica/patologia , Distúrbio Mineral e Ósseo na Doença Renal Crônica/fisiopatologia , Prótese de Quadril/efeitos adversos , Humanos , Rim/fisiopatologia , Osteoartrite do Quadril/cirurgia , Hormônio Paratireóideo/sangue , Hormônio Paratireóideo/metabolismo , Infecções Relacionadas à Prótese/cirurgiaRESUMO
High-energy proximal tibia fractures are complicated by soft tissue compromise and this may result in sub-optimal outcomes. There is a high association of open injuries, compartment syndromes, and vascular injuries with these bony disruptions. Surgical treatment of these injuries has been associated with significant complications such as infection, knee stiffness, malunion, loss of fixation, soft tissue failure, and amputations. The loss of fixation is an issue especially in the elderly, with failure associated with age more than sixty years, premature weight bearing, preoperative displacement, fracture fragmentation, and severe osteoporosis. The use of two-stage reconstruction for the treatment of distal tibia fractures has been successful in decreasing the complication rates, including wound compromise. The two stages involve: 1. stabilization of the injured limb with a bridging external fixator to allow the soft tissues to improve and recover and 2. definitive fixation for reconstruction of the articular surface and meta-diaphyseal fractures. The use of such a protocol has been proposed for high-energy proximal tibia fractures to decrease the high rate of soft tissue compromise associated with traditional open methods of treatment. The choice of definitive fixation may include plates, nails, or non-bridging external fixation.