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Does anxiety influence outcome measurements in ankle replacement patients? Foot Ankle Surg 2024; 30:231-238. [PMID: 37996295 DOI: 10.1016/j.fas.2023.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 11/13/2023] [Accepted: 11/15/2023] [Indexed: 11/25/2023]
Abstract
BACKGROUND Total ankle arthroplasty (TAA) is increasingly used to treat end-stage ankle arthritis to restore ankle functional outcomes and alleviate pain. This treatment outcome may be influenced by pre-morbid patient anxiety. METHODS Twenty-five Infinity TAA implants were prospectively followed post-operatively with a mean follow-up time of 34.18 months. Demographic, clinical, and functional outcomes were assessed. Analysis was performed on the effect of anxiety, reported by the HADS, on patient-perceived postoperative pain, functioning, and quality of life. RESULTS Postoperative the PROMs and Range of Motion (ROM) improved significantly. Linear regression analysis and Pearson correlation showed a significant negative effect of anxiety on the postoperative patient-reported outcome measurements (EQ-5D-5L, VAS, and MOxFQ) at the end of follow-up. CONCLUSION Good functional, clinical, and radiographic results were observed in this prospective cohort study. Anxiety had a negative influence on the outcome of the patient-reported outcome measurements (EQ-5D-5L and MOxFQ) postoperatively. LEVEL OF EVIDENCE Level III, prospective cohort study.
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Societal burden and quality of life in patients with Lisfranc Injuries. Injury 2023; 54:110913. [PMID: 37536004 DOI: 10.1016/j.injury.2023.110913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/19/2023] [Accepted: 06/20/2023] [Indexed: 08/05/2023]
Abstract
BACKGROUND The incidence of Lisfranc fractures is rising, along with the incidence of foot fractures in general. These injuries can lead to long-term healthcare use and societal costs. Current economic evaluation studies are scarce in Lisfranc fracture research, and only investigate the healthcare costs. The aim of the present study was to accurately measure the monetary societal burden of disease and quality of life in the first 6 months after the injury in patients with Lisfranc fractures in the Netherlands. MATERIALS AND METHODS This study used a prevalence-based, bottom-up approach. Patients were included through thirteen medical centres in the Netherlands. Both stable and unstable injuries were included. The societal perspective was used. The costs were measured at baseline, 12 weeks and 6 months using the iMTA MCQ and PCQ questionnaires. Reference prices were used for valuation. Quality-of-life was measured using the EQ-5D-5 L and VAS scores. RESULTS 214 patients were included. The mean age was 45.9 years, and 24.3% of patients had comorbidities. The baseline questionnaires yielded approximately €2023 as the total societal costs in the 3 months prior to injury. The follow-up questionnaires and surgery costs assessment yielded approximately €17,083 as the total costs in the first 6 months after injury. Of these costs, approximately two thirds could be attributed to productivity losses. The EQ-5D-5 L found a mean index value of 0.449 at baseline and an index value of 0.737 at the 6-month follow-up. CONCLUSION The total monetary societal costs in the first 6 months after injury are approximately €17,083. Approximately two thirds of these costs can be attributed to productivity losses. These costs appear to be somewhat higher than those found in other studies. However, these studies only included the healthcare costs. Furthermore, the baseline costs indicate relatively low healthcare usage before the injury compared to the average Dutch patient. The mean QoL index was 0.462 at baseline and 0.737 at 6 months, indicating a rise in QoL after treatment as well as a long-lasting impact on QoL. To our knowledge, this is only the first study investigating the societal costs of Lisfranc injuries, so more research is needed.
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The effect of post-traumatic long bone non-unions on health-related quality of life. Injury 2023; 54 Suppl 5:110929. [PMID: 37923507 DOI: 10.1016/j.injury.2023.110929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 06/08/2023] [Accepted: 07/06/2023] [Indexed: 11/07/2023]
Abstract
BACKGROUND Fracture non-unions have a detrimental effect on patients due to reduced mobility and severe pain. Current literature on the quality of life in non-unions is limited, hence the purpose of this study, to quantify the health-related quality of life (HRQoL) among patients with post-traumatic long bone non-unions. It was hypothesized that the HRQoL of these patients is lower than the Dutch population standard as well as for multiple chronic diseases and musculoskeletal disorders. PATIENTS AND METHODS From January 2020 to December 2021, this study included consecutive patients who were referred to a multidisciplinary (trauma, orthopedic and plastic surgery), non-union clinic at the Maastricht UMC+. All non-unions were evaluated using the Non-Union Scoring System (NUSS) questionnaire. Patient reported HRQoL outcomes were acquired using the EQ-5D-5L questionnaire and the Lower Extremity Functional Scale (LEFS). RESULTS 50 patients were included, 18 females and 32 males, with a mean age of 55 years (± 15.5 SD). Eighteen patients presented with an open fracture, nine non-unions were infected and 39 patients had a lower extremity non-union. The mean NUSS score was 39.61 (± 14.6 SD). The mean EQ-5D-5L index score was 0.490 (± 0.261 SD), where patients experienced most problems with mobility. The mean EQ-5D-5L VAS was 61.4 (± 19.6 SD). The patients had a mean LEFS score of 28.7 (± 16.4 SD). The health-related quality of life was well below the age-corrected normative score of the Dutch population (EQ-5D-5L 0.857(p < 0.001); LEFS 77(p < 0.001)). This cohort's HRQoL was significantly lower than the HRQoL of multiple chronic and musculoskeletal disorders, including different forms of cancer and osteoarthritis. CONCLUSIONS This study has quantified the detrimental effect of post-traumatic long bone non-unions on patient's health-related quality of life, being significantly lower than the HRQoL of the Dutch population as well as for multiple chronic and musculoskeletal medical conditions. This cohort demonstrates a patient population in need of more specialized care with a low health-related quality of life.
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Patient experiences and preferences during treatment and recovery of Lisfranc fractures: A qualitative interview study. Injury 2022; 53:4152-4158. [PMID: 36273922 DOI: 10.1016/j.injury.2022.10.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/25/2022] [Accepted: 10/16/2022] [Indexed: 11/05/2022]
Abstract
AIM To determine from a patient perspective what improves the quality of care and patient satisfaction during the treatment and recovery process of Lisfranc fractures and to reveal possible points for improvement in this process. METHODS We performed a qualitative study based on semi-structured interviews with patients treated for a Lisfranc fracture-dislocation in the Netherlands with either open reduction and internal fixation or primary arthrodesis, until data saturation was reached, focusing on the quality of care during treatment and recovery, from a patient perspective. RESULTS Data saturation was reached after interviewing 10 patients. The main themes emerging from the analysis were expectation management regarding the recovery period; communication with and between health care providers; information provided during consultations; and support during the recovery period. Participants expressed a need for improved provision of information about the different treatment options, the different kinds of pain that can arise, the expected duration of the recovery period, education on strong pain killers, likelihood of a second surgery, risks of osteoarthritis, risks of the surgery itself, allied health care and patient experiences. Participants mentioned the importance of good allied health care and a preference for starting allied health care as soon as possible. Insoles and compression socks were also appreciated by various participants. Finally, multiple patients saw a positive attitude on the part of the health care providers towards the recovery period as a key factor in recovery. CONCLUSION This study found that patients value more tailored approaches to the pre-and post-operative care program, more guidance regarding allied health care (physiotherapy), and a broader scope of available references and information for patients, both oral (during consultations and in informative videos) and written, such as brochures or evidence-based web pages and mobile platforms, which may be offered during consultations or when being discharged from the hospital.
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Complications following total ankle arthroplasty: A systematic literature review and meta-analysis. Foot Ankle Surg 2022; 28:1183-1193. [PMID: 35872118 DOI: 10.1016/j.fas.2022.07.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 06/25/2022] [Accepted: 07/04/2022] [Indexed: 02/04/2023]
Abstract
BACKGROUND Total ankle arthroplasty (TAA) is increasingly used as a treatment for end-stage ankle arthropathy. However, TAA may be more sensitive to complications, failure and subsequent re-operations compared to ankle arthrodesis. The aim of this systematic review and meta-analysis is to generate an overview of complications of TAA surgery. METHODS PubMed, EMBASE and the Cochrane library were searched between 2000 and 2020 to identify all papers reporting on complications in TAA surgery. Meta-analysis was conducted based on type of complication in TAA surgery. Pooled estimates of complications were calculated using a random effects model. Risk of bias and quality was assessed using the Cochrane risk of bias and ROBINS-I tools. The confidence in estimates was rated and described according to the recommendations of the GRADE working group. RESULTS One hundred twenty-seven studies were included in this systematic review. All combined, they reported on 16.964 TAAs with an average follow-up of 47.99 ± 29.18 months. Complications with highest reported pooled incidence were intra-operative fracture 0.06 (95 %CI 0.04-0.08) (GRADE Very low) and impingement 0.06 (95 %CI 0.04-0.08) (GRADE low) respectively. CONCLUSION Reported complication incidence of TAA surgery is still high and remains a significant clinical problem that can be severely hampering long-term clinical survival of the prosthesis. The results of this systematic review and meta-analysis can help guide surgeons in informing their patient about complication risks. Implementation of more stringent patient selection criteria might contribute to diminishing TAA complication rates.
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Economic evaluations in fracture research an introduction with examples of foot fractures. Injury 2022; 53:895-903. [PMID: 35034777 DOI: 10.1016/j.injury.2022.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/23/2021] [Accepted: 01/04/2022] [Indexed: 02/02/2023]
Abstract
INTRODUCTION The incidence of foot fractures is increasing. These types of fractures represent the most expensive group of diagnoses in the emergency department. Next to this, the need for economic evaluation studies is growing fast. The aim of this article is to provide healthcare professionals with an introduction to economic evaluation studies in the field of foot fractures. TYPES OF ECONOMIC EVALUATION STUDIES Four types of economic evaluation studies exist: cost-minimization analysis (CMA), cost-benefit analysis (CBA), cost-effectiveness analysis (CEA), and cost-utility analysis (CUA). An economic evaluation study can be either trial- or model-based. COST ASSESSMENT When assessing costs in an economic evaluation study, three steps need to be made: identification of costs, measurement of costs, and valuation of costs. PERSPECTIVE OF ANALYSIS Two main perspectives exist in economic evaluation studies. When using a healthcare perspective, only the potential costs and benefits of an intervention for the healthcare sector are included. The societal perspective includes all potential costs, including societal costs. SYNTHESIS OF COSTS AND EFFECTS AND UNCERTAINTY ANALYSIS The level of cost-effectiveness can be objectively expressed using the incremental cost-effectiveness ratio (ICER). This measure can be plotted in a cost-effectiveness plane and can be compared with existing regional ceiling ratios. CONCLUSION Although this article is not a guideline for economic evaluations, we do want to present five tips to consider when performing an economic evaluation. Firstly, when measuring resource use, consult the Database of Instruments for Resource Use Measurements (DIRUM) to find an appropriate instrument. Secondly, when measuring utility values, use the EuroQol questionnaire if possible. Thirdly, when setting up an economic evaluation study, consult the International Society for Pharmacoeconomics and Outcomes Research (ISPOR) database for the appropriate pharmacoeconomic guidelines. Fourthly, consult international guidelines to decide which study design is most appropriate. Finally, when performing an economic evaluation, consult a heath technology assessment (HTA) specialist from the start to ensure methodological quality.
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The economic burden of the postoperative management in surgically treated trauma patients with peri- and/or intra-articular fractures of the lower extremities: A prospective multicenter cohort study. Injury 2022; 53:713-718. [PMID: 34809922 DOI: 10.1016/j.injury.2021.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 10/29/2021] [Accepted: 11/07/2021] [Indexed: 02/02/2023]
Abstract
OBJECTIVES To estimate the economic burden expressed in costs and quality of life of the post-surgical treatment of peri‑ and/or intra-articular fractures in the lower extremity from a societal perspective. DESIGN This is a quantitative study as it aims to find averages and generalize results to wider populations. The design is a cost-of-illness and quality of life study focusing on costs (in euros), Activities of Daily Living (ADL) and Quality of Life (Qol) in patients with peri‑ and/or intra-articular fractures of the lower extremities. SETTING Surgically treated trauma patients with peri‑ and/or intra-articular fractures of the lower extremities during 26 weeks follow-up. Patients were included from 4 hospitals in the Netherlands. MAIN OUTCOME MEASURES Costs, ADL and Quality Adjusted Life Years (QALY). METHODS Cost of illness was estimated through a bottom-up method. The Dutch Eq-5D-5 L questionnaire was used to calculate utilities while Lower Extremity Functional Scale (LEFS) scores were used as a measure of ADL. Non-parametric bootstrapping was used to test for statistical differences in costs. Subgroup analyses were performed to determine the influence of work status and further sensitivity analyses were performed to test the robustness of the results. RESULTS Total average societal costs were € 9836.96 over six months. Unexpectedly, total societal and healthcare costs were lower for patients with a paid job relative to patients without. Sensitivity analyses showed that our choice of a societal perspective and the EuroQol as our primary utility measurement tool had a significant effect on the outcomes. The ADL at baseline was respectively; 10.4 and at 26 weeks post-surgery treatment 49.5. The QoL was at baseline respectively; 0.3 and at 26 weeks post-surgery treatment 0.7. These findings are indicative of a significantly improved ADL and QoL (p ≤ 0.05) over time. CONCLUSIONS This study reveal a substantial economic burden in monetary terms and effect on QoL of patients with peri‑ and/or intra-articular fractures of the lower extremities during 26 weeks follow-up. REGISTRATION This study was registered in the Dutch Trial Register (NTR6077). Date of registration: 01-09-2016.
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The influence of size and comminution of the posterior malleolus fragment on gait in trimalleolar ankle fractures. Clin Biomech (Bristol, Avon) 2022; 91:105550. [PMID: 34922095 DOI: 10.1016/j.clinbiomech.2021.105550] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 11/22/2021] [Accepted: 12/08/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Ankle fractures involving the posterior malleolus generally lead to worse outcome. However, no studies on gait in trimalleolar ankle fractures have evaluated the influence of size and comminution of the posterior malleolar fragment. METHODS We expected patients with more severely comminuted posterior malleolus, more severe fracture type and larger posterior fragment to have reduced gait kinematics and poorer patient-reported outcomes. 26 trimalleolar ankle fracture patients were compared with 14 healthy controls and kinematically analyzed using the Oxford Foot Model. Functional outcome was based on 4 patient reported outcome questionnaires. Effects of posterior fragment size, comminution and Haraguchi fracture classification were determined on conventional and 3D CT-scans. FINDINGS Trimalleolar patients had lower walking speed and reduced range of motion between the hindfoot and tibia in both loading and push-off phases in the sagittal and transverse planes. The range between the hindfoot and tibia in the sagittal plane in the push-off phase correlated significantly with patient reported outcomes. The absolute and relative surface area of the posterior fragment on conventional CT-scans and 3D CT-scans, correlated significantly with range of motion. Patients with a posterior malleolus size >10% of the posterior malleolus had lower flexion-extension between forefoot and hindfoot during loading phase than patients with a size ≤10%. INTERPRETATION Trimalleolar fractures reduce walking speed and range of motion in the talocrural joint. Reduced range in the talocrural joint is associated with poorer outcomes. Posterior fragment size correlated significantly with range of motion in talocrural and midfoot joints and with patient reported outcomes. LEVEL OF EVIDENCE Level 3, retrospective study.
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Assessment of the healing of conservatively-treated scaphoid fractures using HR-pQCT. Bone 2021; 153:116161. [PMID: 34455117 DOI: 10.1016/j.bone.2021.116161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 08/19/2021] [Accepted: 08/20/2021] [Indexed: 10/20/2022]
Abstract
Improving the clinical outcome of scaphoid fractures may benefit from adequate monitoring of their healing in order to for example identify complications such as scaphoid nonunion at an early stage and to adjust the treatment strategy accordingly. However, quantitative assessment of the healing process is limited with current imaging modalities. In this study, high-resolution peripheral quantitative computed tomography (HR-pQCT) was used for the first time to assess the changes in bone density, microarchitecture, and strength during the healing of conservatively-treated scaphoid fractures. Thirteen patients with a scaphoid fracture (all confirmed on HR-pQCT and eleven on CT) received an HR-pQCT scan at baseline and three, six, twelve, and 26 weeks after first presentation at the emergency department. Bone mineral density (BMD) and trabecular microarchitecture of the scaphoid bone were quantified, and failure load (FL) was estimated using micro-finite element analysis. Longitudinal changes were evaluated with linear mixed-effects models. Data of two patients were excluded due to surgical intervention after the twelve-week follow-up visit. In the eleven fully evaluable patients, the fracture line became more apparent at 3 weeks. At 6 weeks, individual trabeculae at the fracture region became more difficult to identify and distinguish from neighboring trabeculae, and this phenomenon concerned a larger region around the fracture line at 12 weeks. Quantitative assessment showed that BMD and FL were significantly lower than baseline at all follow-up visits with the largest change from baseline at 6 weeks (-13.6% and - 23.7%, respectively). BMD remained unchanged thereafter, while FL increased. Trabecular thickness decreased significantly from baseline at three (-3.9%), six (-6.7%), and twelve (-4.4%) weeks and trabecular number at six (-4.5%), twelve (-7.3%), and 26 (-7.9%) weeks. Trabecular separation was significantly higher than baseline at six (+13.3%), twelve (+19.7%), and 26 (+16.3%) weeks. To conclude, this explorative HR-pQCT study showed a substantial decrease in scaphoid BMD, Tb.Th, and FL during the first 6 weeks of healing of conservatively-treated scaphoid fractures, followed by stabilization or increase in these parameters. At 26 weeks, BMD, trabecular microarchitecture, and FL were not returned to baseline values.
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Diversity matters: the other doctor within the Dutch academic healthcare system. BMJ LEADER 2021; 6:171-174. [DOI: 10.1136/leader-2021-000488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 09/07/2021] [Indexed: 11/03/2022]
Abstract
IntroductionOver the past year, there has been a worldwide increase in the focus on systemic discrimination and inequitable practices within different societies, particularly concerning race and ethnicity. The inherent (experience of) inequity in racism is notonly limited to individuals but also found in different domains of societal structures, including healthcare and academia. In academia and healthcare organisations, junior Black and Minority Ethnic (BAME) doctors and students regularly find themselves caught between the leaky pipeline phenomenon and hierarchically dependent positions in academic healthcare settings. Voicing their experiences after such encounters is neither an option nor a choice they can do without repercussions. The prejudices, stigmas, implicit biases present within these environments result in segregated practices, where BAME doctors become the ‘other’ doctor (otherism), and based on their religion, ethnicity, migrant background or physical features are boxed into a specific group or category.Reflections & recommendationsThe outcome of this exercise (re-) emphasised that more improvement in the Dutch healthcare systems concerning stigmas and biases towards race and ethnicity are needed to promote the inclusion of future BAME doctors and students. A pivotal turn is urgently needed to repair the racial stigmas and biases that have distorted the image of BAME doctors/students, limiting their academic and professional progress. By structurally implementing focused strategies to promote inclusivity, the current gap within healthcare and the participation between non- BAME and BAME-doctors/students can be bridged, inevitably leading to better healthcare services, safer learning environments and a balanced representation of our multicultural societies in healthcare.We argue that increased self-reflection from such critical inquiry will ultimately result in clear and objective understandings of (pre) existent inequitable practices in our societies.
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Effectiveness and cost-effectiveness of primary arthrodesis versus open reduction and internal fixation in patients with Lisfranc fracture instability (The BFF Study) study protocol for a multicenter randomized controlled trial. BMC Surg 2021; 21:323. [PMID: 34384419 PMCID: PMC8359057 DOI: 10.1186/s12893-021-01320-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 08/04/2021] [Indexed: 12/20/2022] Open
Abstract
Background The Lisfranc injury is a complex injury of the midfoot. It can result in persistent pain and functional impairment if treated inappropriately. In Lisfranc fracture dislocation, treatment options are primary arthrodesis of the midfoot joints or open reduction and internal fixation. The purpose of the proposed study is to define the optimal treatment for the Lisfranc fracture dislocation, either primary arthrodesis or open reduction and internal fixation, in regard to quality of life, complications, functional outcomes, and cost effectiveness. Methods Study design: A prospective multicenter RCT. Study population: All patients of 18 years and older with an acute (< 6 weeks) traumatic fracture dislocation in the Lisfranc midfoot joints, displaced on static radiographic evaluation or unstable with dynamic evaluation, weight bearing radiographs or fluoroscopic stress testing under anesthesia, and eligible for either one of the surgical procedures. In total, this study will include n = 112 patients with Lisfranc fracture dislocation. Interventions: Patients with Lisfranc fracture dislocation will be randomly allocated to treatment in “The Better to Fix or Fuse Study” (The BFF Study) with either PA or ORIF. Main study parameters/endpoints: Primary outcome parameter: the quality of life. Secondary outcomes: complications, functional outcomes, secondary surgical interventions and cost effectiveness. Nature and extent of the burden: PA is expected to have a better outcome, however both treatments are accepted for this injury with a similar low risk of complications. Follow up is standardized and therefore this study will not add extra burden to the patient. Discussion This study protocol provides a comprehensive overview of the aims and methods of the attached clinical study. Limitations of this study are the absence of patient blinding since it is impossible in surgical intervention, and the outcome measure (AOFAS) that has limited validity not for these injuries. This study will be the first with enough power to define optimal treatment for Lisfranc fracture dislocations. This is necessary since current literature is unclear on this topic. Trial registration Current controlled Trial: NCT04519242 with registration date: 08/13/2020. Retrospectively registered; Protocol date and version: Version 4 05/06/2020 Supplementary Information The online version contains supplementary material available at 10.1186/s12893-021-01320-1.
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Improved Detection of Scaphoid Fractures with High-Resolution Peripheral Quantitative CT Compared with Conventional CT. J Bone Joint Surg Am 2020; 102:2138-2145. [PMID: 33079896 DOI: 10.2106/jbjs.20.00124] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Computed tomography (CT), magnetic resonance imaging, and bone scintigraphy are second-line imaging techniques that are frequently used for the evaluation of patients with a clinically suspected scaphoid fracture. However, as a result of varying diagnostic performance results, no true reference standard exists for scaphoid fracture diagnosis. We hypothesized that the use of high-resolution peripheral quantitative CT (HR-pQCT) in patients with a clinically suspected scaphoid fracture could improve scaphoid fracture detection compared with conventional CT in the clinical setting. METHODS The present study included 91 consecutive patients (≥18 years of age) who presented to the emergency department with a clinically suspected scaphoid fracture between December 2017 and October 2018. All patients were clinically reassessed within 14 days after first presentation, followed by CT and HR-pQCT. If a scaphoid fracture was present, the fracture type was determined according to the Herbert classification system and correlation between CT and HR-pQCT was estimated with use of the Kendall W statistic or coefficient of concordance (W) (the closer to 1, the higher the correlation). RESULTS The cohort included 45 men and 46 women with a median age of 52 years (interquartile range, 29 to 67 years). HR-pQCT revealed a scaphoid fracture in 24 patients (26%), whereas CT revealed a scaphoid fracture in 15 patients (16%). Patients with a scaphoid fracture were younger and more often male. The correlation between CT and HR-pQCT was high for scaphoid fracture type according to the Herbert classification system (W = 0.793; 95% confidence interval [CI], 0.57 to 0.91; p < 0.001) and very high for scaphoid fracture location (W = 0.955; 95%, CI 0.90 to 0.98; p < 0.001). CONCLUSIONS In the present study, the number of patients diagnosed with a scaphoid fracture was 60% higher when using HR-pQCT as compared with CT. These findings imply that a substantial proportion of fractures-in this study, more than one-third-will be missed by the current application of CT scanning in patients with a clinically suspected scaphoid fracture. LEVEL OF EVIDENCE Diagnostic Level II. See Instructions for Authors for a complete description of levels of evidence.
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The Dutch nationwide trauma registry: The value of capturing all acute trauma admissions. Injury 2020; 51:2553-2559. [PMID: 32792157 DOI: 10.1016/j.injury.2020.08.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 07/22/2020] [Accepted: 08/07/2020] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Twenty years ago the Dutch trauma care system was reformed by the designating 11 level one Regional trauma centres (RTCs) to organise trauma care. The RTCs set up the Dutch National Trauma Registry (DNTR) to evaluate epidemiology, patient distribution, resource use and quality of care. In this study we describe the DNTR, the incidence and main characteristics of Dutch acutely admitted trauma patients, and evaluate the value of including all acute trauma admissions compared to more stringent criteria applied by the national trauma registries of the United Kingdom and Germany. METHODS The DNTR includes all injured patients treated at the ED within 48 hours after trauma and consecutively followed by direct admission, transfers to another hospital or death at the ED. DNTR data on admission years 2007-2018 were extracted to describe the maturation of the registry. Data from 2018 was used to describe the incidence rate and patient characteristics. Inclusion criteria of the Trauma Audit and Research (TARN) and the Deutsche Gesellschaft für Unfallchirurgie (DGU) were applied on 2018 DNTR data. RESULTS Since its start in 2007 a total of 865,460 trauma cases have been registered in the DNTR. Hospital participation increased from 64% to 98%. In 2018, a total of 77,529 patients were included, the median age was 64 years, 50% males. Severely injured patients with an ISS≥16, accounted for 6% of all admissions, of which 70% was treated at designated RTCs. Patients with an ISS≤ 15were treated at non-RTCs in 80% of cases. Application of DGU or TARN inclusion criteria, resulted in inclusion of respectively 5% and 32% of the DNTR patients. Particularly children, elderly and patients admitted at non-RTCs are left out. Moreover, 50% of ISS≥16 and 68% of the fatal cases did not meet DGU inclusion criteria CONCLUSION: The DNTR has evolved into a comprehensive well-structured nationwide population-based trauma register. With 80,000 inclusions annually, the DNTR has become one of the largest trauma databases in Europe The registries strength lies in the broad inclusion criteria which enables studies on the burden of injury and the quality and efficiency of the entire trauma care system, encompassing all trauma-receiving hospitals.
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The Feasibility of High-Resolution Peripheral Quantitative Computed Tomography (HR-pQCT) in Patients with Suspected Scaphoid Fractures. J Clin Densitom 2020; 23:432-442. [PMID: 31495579 DOI: 10.1016/j.jocd.2019.08.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 08/09/2019] [Accepted: 08/12/2019] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Diagnosing scaphoid fractures remains challenging. High-resolution peripheral quantitative computed tomography (HR-pQCT) might be a potential imaging technique, but no data are available on its feasibility to scan the scaphoid bone in vivo. METHODOLOGY Patients (≥18 years) with a clinically suspected scaphoid fracture received an HR-pQCT scan of the scaphoid bone (three 10.2-mm stacks, 61-μm voxel size) with their wrist immobilized with a cast. Scan quality assessment and bone contouring were performed using methods originally developed for HR-pQCT scans of radius and tibia. The contouring algorithm was applied on coarse hand-drawn pre-contours of the scaphoid bone, and the resulting contours (AUTO) were manually corrected (sAUTO) when visually deviating from bone margins. Standard morphologic analyses were performed on the AUTO- and sAUTO-contoured bones. RESULTS Ninety-one patients were scanned. Two out of the first five scans were repeated due to poor scan quality (40%) based on standard quality assessment during scanning, which decreased to three out of the next 86 scans (3.5%) when using an additional thumb cast. Nevertheless, after excluding one scan with an incompletely scanned scaphoid bone, post hoc grading revealed a poor quality in 14.9% of the stacks and 32.9% of the scans in the remaining 85 patients. After excluding two scans with contouring problems due to scan quality, bone indices obtained by AUTO- and sAUTO-contouring were compared in 83 scans. All AUTO-contours were manually corrected, resulting in significant but small differences in densitometric and trabecular indices (<1.0%). CONCLUSIONS In vivo HR-pQCT scanning of the scaphoid bone is feasible in patients with a clinically suspected scaphoid fracture when using a cast with thumb part. The proportion of poor-quality stacks is similar to radius scans, and AUTO-contouring appears appropriate in good- and poor-quality scans . Thus, HR-pQCT may be promising for diagnosis of and microarchitectural evaluations in suspected scaphoid fractures.
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Abstract
Around 10 % of long bone fractures show inadequate bone healing resulting in non-union development. A deregulated arginine-citrulline-nitric oxide metabolism caused by a poor nutritional status of the patients is a risk factor for non-unions. Additionally, previous research in mice with a disrupted arginine to citrulline conversion showed delayed healing. The study hypothesis was that stimulating said metabolism could positively influence the healing process through promotion of collagen synthesis and angiogenesis. Adult wild-type mice underwent a femur osteotomy and plate-screw osteosynthesis. Mice were randomly divided into three groups and received daily oral supplementation of arginine, citrulline or 0.9 % saline (control). Body weight and food intake were measured daily. After 14 d, the mice were euthanised and femora collected. Callus formation was assessed by micro-computed tomography and concentrations of amino acids and enzymes in the femora were measured. Only citrulline-treated mice showed significantly increased bridging of the fracture gap when compared to control mice. Femur citrulline and ornithine concentrations were increased in citrulline-treated animals. qPCR showed significantly decreased expression of inflammatory markers, whereas increased expression of angiogenic and collagen-producing factors was observed in citrulline-treated mice. Although food intake did not show any difference between the three groups, animals treated with citrulline showed a weight gain of 0.3 g, compared with a 0.1 g decline in the control group. Daily oral citrulline supplementation stimulated callus formation and improved the inflammatory response, positively contributing to the enhanced healing response. Finally, the increased weight gain pointed toward a better post-operative recovery.
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Abstract
BACKGROUND The aim of this study was to prospectively investigate the adherence to the American College of Cardiology (ACC) and the American Heart Association guidelines for perioperative assessment of patients with hip fracture in daily clinical practice and how this might affect outcome. METHODS This prospective cohort study from Maastricht University Medical Centre included 166 hip fracture patients within a 3-year inclusion period. The preoperative cardiac screening and adherence to the ACC/AHA guideline were analyzed. Cardiac risk was classified as low, intermediate and high risk. Secondary outcome measurements were delay to surgery, perioperative complications and in-hospital, 30-day, 1-year and 2-year mortality. RESULTS According to the ACC/AHA guideline, 87% of patients received correct preoperative cardiac screening. The most important reason for incorrect preoperative cardiac screening was overscreening (> 90%). Multivariate analysis showed that a cardiac consultation (p = 0.003) and overscreening (p = 0.02) as significant predictors for increased delay to surgery, while age, sex, previous cardiac history and preoperative mobility were not. High risk patients had in comparison with low risk patients a significantly higher relative risk ratio for in-hospital mortality (RR 6, 95% CI 2-17). Multivariate analysis showed that a previous cardiac history and increased delay to surgery were predictors for early mortality. High age and previous cardiac history were risk factors for late mortality. CONCLUSION Preoperative cardiac screening for hip fracture patients in adherence to the ACC/AHA guideline is associated with a diminished use of preoperative resources. Overscreening leads to greater delay to surgery, which poses a risk for perioperative complications and early mortality. LEVEL OF EVIDENCE II.
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Feasibility and validity of ambulant biofeedback devices to improve weight-bearing compliance in trauma patients with lower extremity fractures: A narrative review. J Rehabil Med 2020. [DOI: 10.2340/16501977-272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Long-term functional outcome of distal radius fractures is associated with early post-fracture bone stiffness of the fracture region: An HR-pQCT exploratory study. Bone 2019; 127:510-516. [PMID: 31226529 DOI: 10.1016/j.bone.2019.06.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Revised: 06/14/2019] [Accepted: 06/17/2019] [Indexed: 12/21/2022]
Abstract
Identifying determinants of long-term functional outcome after a distal radius fracture is challenging. Previously, we reported on the association between early HR-pQCT measurements and clinical outcome 12 weeks after a conservatively treated distal radius fracture. We extended the follow-up and assessed functional outcome after two years in relation to early HR-pQCT derived bone parameters. HR-pQCT scans of the fracture region were performed in 15 postmenopausal women with a distal radius fracture at 1-2 (baseline), 3-4 weeks and 26 months post-fracture. Additionally, the contralateral distal radius was scanned at baseline. Bone density, micro-architecture parameters and bone stiffness using micro-finite element analysis (μFEA) were evaluated. During all visits, wrist pain and function were assessed using the patient-rated wrist evaluation questionnaire (PRWE), quantifying functional outcome with a score between 0 and 100. Two-year PRWE was associated with torsional and bending stiffness 3-4 weeks post-fracture (R2: 0.49, p = 0.006 and R2: 0.54, p = 0.003, respectively). In contrast, early micro-architecture parameters of the fracture region or contralateral bone parameters did not show any association with long-term outcome. This exploratory study indicates that HR-pQCT with μFEA performed within four weeks after a distal radius fracture captures biomechanical fracture characteristics that are associated with long-term functional outcome and therefore could be a valuable early outcome measure in clinical trials and clinical practice.
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A protocol for permissive weight-bearing during allied health therapy in surgically treated fractures of the pelvis and lower extremities. J Rehabil Med 2019; 51:290-297. [DOI: 10.2340/16501977-2532] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Gait analysis and functional outcome in patients after Lisfranc injury treatment. Foot Ankle Surg 2018; 24:535-541. [PMID: 29409269 DOI: 10.1016/j.fas.2017.07.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2017] [Revised: 07/04/2017] [Accepted: 07/05/2017] [Indexed: 02/04/2023]
Abstract
INTRODUCTION Lisfranc injuries involve any bony or ligamentous disruption of the tarsometatarsal joint. Outcome results after treatment are mainly evaluated using patient-reported outcome measures (PROM), physical examination and radiographic findings. Less is known about the kinematics during gait. METHODS Nineteen patients (19 feet) treated for Lisfranc injury were recruited. Patients with conservative treatment and surgical treatment consisting of open reduction and internal fixation (ORIF) or primary arthrodesis were included. PROM, radiographic findings and gait analysis using the Oxford Foot Model (OFM) were analysed. Results were compared with twenty-one healthy subjects (31 feet). Multivariable logistic regression was used to determine factors influencing outcome. RESULTS Patients treated for Lisfranc injury had a significantly lower walking speed than healthy subjects (P<0.001). There was a significant difference between the two groups regarding the range of motion (ROM) in the sagittal plane (flexion-extension) in the midfoot during the push-off phase (p<0.001). The ROM in the sagittal plane was significantly correlated with the AOFAS midfoot score (r2=0.56, p=0.012), FADI (r2=0.47, p=0.043) and the SF-36-physical impairment score (r2=0.60, p=0.007) but not with radiographic parameters for quality of reduction. In a multivariable analysis, the best explanatory factors were ROM in the sagittal plane during the push-off phase (β=0.707, p=0.001), stability (β=0.423, p=0.028) and BMI (β=-0.727 p=<0.001). This prediction model explained 87% of patient satisfaction. CONCLUSIONS This study showed that patients treated for Lisfranc injury had significantly lower walking speed and significantly lower flexion/extension in the midfoot than healthy subjects. The ROM in these patients was significantly correlated with PROM, but not with radiographic quality of reduction. Most important satisfaction predictors were BMI, ROM in the sagittal plane during the push-off phase and fracture stability.
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Doppler-guided goal-directed fluid therapy does not affect intestinal cell damage but increases global gastrointestinal perfusion in colorectal surgery: a randomized controlled trial. Colorectal Dis 2017; 19:1081-1091. [PMID: 29028286 DOI: 10.1111/codi.13923] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Accepted: 05/17/2017] [Indexed: 01/13/2023]
Abstract
AIM Individualized, goal-directed fluid therapy (GDFT), based on Doppler measurements of stroke volume, has been proposed as a treatment strategy in terms of reducing complications, mortality and length of hospital stay in major bowel surgery. We studied the effect of Doppler-guided GDFT on intestinal damage as compared with standard postoperative fluid replacement. METHOD Patients undergoing elective colorectal resection for malignancy were randomized either to standard intra- and postoperative fluid therapy or to standard fluid therapy with additional Doppler-guided GDFT. The primary outcome was intestinal epithelial cell damage measured by plasma levels of intestinal fatty acid-binding protein (I-FABP). Global gastrointestinal perfusion was measured by gastric tonometry, expressed as regional (gastric) minus arterial CO2 -gap (Pr-a CO2 -gap). RESULTS I-FABP levels were not significantly different between the intervention group and the control group (respectively, 440.8 (251.6) pg/ml and 522.4 (759.9) pg/ml, P = 0.67). Mean areas under the curve (AUCs) of intra-operative Pr-a CO2 -gaps were significantly lower in the intervention group than in the control group (P = 0.01), indicating better global gastrointestinal perfusion in the intervention group. Moreover, the mean intra-operative Pr-a CO2 -gap peak in the intervention group was 0.5 (1.0) kPa, which was significantly lower than the mean peak in the control group, of 1.4 (1.4) kPa (P = 0.03). CONCLUSION Doppler-guided GDFT during and in the first hours after elective colorectal surgery for malignancy increases global gastrointestinal perfusion, as measured by Pr-a CO2 -gap.
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Vertical ground reaction forces in patients after calcaneal trauma surgery. Gait Posture 2017; 58:523-526. [PMID: 28961549 DOI: 10.1016/j.gaitpost.2017.09.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2016] [Revised: 09/16/2017] [Accepted: 09/22/2017] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Vertical ground reaction forces (VGRFs) are altered in patients after foot trauma. It is not known if this correlates with ankle kinematics. The aim of this study was to analyze VGRFs in patients after calcaneal trauma and correlate them to patient-reported outcome measures (PROMs), radiographic findings and kinematic analysis, using a multi-segment foot model. In addition, we determined the predictive value of VGRFs to identify patients with altered foot kinematics. METHODS Thirteen patients (13 feet) with displaced intra-articular calcaneal fractures, were included an average of two years after trauma surgery. PROMs, radiographic findings on postoperative computed tomography scans, gait analysis using the Oxford foot model and VGRFs were analysed during gait. Results were compared with those of 11 healthy subjects (20 feet). Speed was equal in both groups, with healthy subjects walking at self-selected slow speed (0.94±0.18m/s) and patients after surgery walking at self-selected normal speed (0.94±0.29m/s). ROC curves were used to determine the predictive value. RESULTS Patients after calcaneal surgery showed a lower minimum force during midstance (p=0.004) and a lower maximum force during toe-off (p=0.011). This parameter correlated significantly with the range of motion in the sagittal plane during the push-off phase (r 0.523, p=0.002), as well as with PROMs and with postoperative residual step-off (r 0.423, p=0.016). Combining these two parameters yielded a cut-off value of 193% (p<0.001), area under the curve 0.93 (95%confidence interval 0.84-1.00). CONCLUSION Patients after calcaneal fracture showed lower minimum force during midstance and lower maximum force during toe-off compared to healthy subjects. This lower maximum force during push-off correlated significantly with PROMs, range of motion in the sagittal plane during push-off and radiographic postoperative residual step-off in the posterior facet of the calcaneal bone. VGRFs are a valuable screening tool for identifying patients with altered gait patterns.
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Dorsal or Volar Plate Fixation of the Distal Radius: Does the Complication Rate Help Us to Choose? J Wrist Surg 2016; 5:202-210. [PMID: 27468370 PMCID: PMC4959891 DOI: 10.1055/s-0036-1571842] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2015] [Accepted: 12/24/2015] [Indexed: 12/13/2022]
Abstract
BACKGROUND Internal fixation with plates is a reliable fixation technique for the treatment of distal radius fractures. An ongoing discussion exists whether volar or dorsal plating is the appropriate technique. In clinical practice, volar plate fixation is usually preferred because of the assumed lower complication frequency. However, recent studies with the newer generation low-profile dorsal plates reported lower complication rates. PURPOSE The aim of our study was to evaluate the differences in complication rates between volar and dorsal plate for the treatment of distal radius fractures in adult patients. PATIENTS AND METHODS A total of 214 patients with acute distal radius fractures were included in this retrospective study with a minimum 2 years of follow-up. In total, 123 patients were treated with dorsal plate fixation and 91 patients with volar plate fixation. Our primary study outcome was complication rate. RESULTS The overall risk for complications was 15.4% in the dorsal group and 14.3% in the volar group (p = 0.81). A total of 19 patients had implant removal due to complications: 11 patients in the dorsal group and 8 patients in the volar group (p = 0.97). CONCLUSION There is no preferred plate fixation technique based on these study results. In our opinion, decision for type of plate fixation should be based on fracture type and surgeon's experience with the specific approach and plate types. LEVEL OF EVIDENCE Therapeutic level III.
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Abstract
INTRODUCTION Non-or partial weight bearing is frequently the standard treatment after peri-articular lower extremity fractures. Displaced talar neck fractures are severe injuries compromising vascularity of the corpus and consequently are at risk for non-union and avascular necrosis, the main reason to restrict weight bearing for up to three months according to most literature. CASE PRESENTATION We report a case of a 31-year old male with a high impact car accident. His pelvic ring and Hawkins II talar fracture were treated by open reduction and internal fixation. Rehabilitation was based on permissive weight bearing following wound healing. His fractures healed uneventfully and he was able to run freely, without any discomfort within 8 weeks. Radiological evaluation of the talus showed complete bone healing without signs of avascular necrosis. At one year follow-up, the patient is free of the symptoms. CONCLUSION We might consider changing the restricted or non-weight bearing protocol in surgically treated talar neck fractures at our centre and allow early weight bearing, based on body awareness and the creation of a safe environment during the rehabilitation phase.
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Improving the effect of shear on skin viability with wound dressings. J Mech Behav Biomed Mater 2016; 60:505-514. [DOI: 10.1016/j.jmbbm.2016.03.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 03/02/2016] [Accepted: 03/09/2016] [Indexed: 11/30/2022]
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Effectiveness of a Multidisciplinary Clinical Pathway for Elderly Patients With Hip Fracture: A Multicenter Comparative Cohort Study. Geriatr Orthop Surg Rehabil 2016; 7:81-5. [PMID: 27239381 PMCID: PMC4872184 DOI: 10.1177/2151458516645633] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Introduction: The use of a multidisciplinary clinical pathway (MCP) for patients with hip fracture tends to be more effective than usual care (UC). The aim of this study was to evaluate the effects of an MCP approach on time to surgery, length of stay, postoperative complications, and 30-day mortality, compared to UC. Materials and Methods: This multicenter retrospective cohort study included patients aged 50 years or older with a proximal hip fracture who underwent surgery in one of the 6 hospitals in the Limburg trauma region of the Netherlands in 2012. Data such as demographics, process outcome measures, and clinical outcome were collected. Results: This study included a total of 1193 patients (665 and 528 patients in the MCP and UC groups, respectively). There were no differences in patient demographics present. Time to surgery was significantly shorter in the MCP compared to the UC group (19.2 vs 24.4 hours, P < .01). The mean length of stay was 10 versus 12 days (P < .01). In the MCP group, significantly lower rates of postoperative complications were observed and significantly more patients were institutionalized than in the UC group. Mortality within 30 days after admission was comparable between the groups (overall mortality 6%). Conclusion: An MCP approach is associated with reduced time to surgery, postoperative complications, and length of stay, without a significant difference in 30-day mortality. The institutionalization rate was significantly higher in the MCP group.
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Abstract
PURPOSE Acute mesenteric ischaemia (AMI) accounts for about 1:1000 acute hospital admissions. Untreated, AMI will cause mesenteric infarction, intestinal necrosis, an overwhelming inflammatory response and death. Early intervention can halt and reverse this process leading to a full recovery, but the diagnosis of AMI is difficult and failure to recognize AMI before intestinal necrosis has developed is responsible for the high mortality of the disease. Early diagnosis and prompt treatment are the goals of modern therapy, but there are no randomized controlled trials to guide treatment and the published literature contains a high ratio of reviews to original data. Much of that data comes from case reports and often small, retrospective series with no clearly defined treatment criteria. METHODS A study group of the European Society for Trauma and Emergency Surgery (ESTES) was formed in 2013 with the aim of developing guidelines for the management of AMI. A comprehensive literature search was performed using the Medical Subject Heading (MeSH) thesaurus keywords "mesenteric ischaemia", "bowel ischaemia" and "bowel infarction". The bibliographies of relevant articles were screened for additional publications. After an initial systematic review of the literature by the whole group, a steering group formulated questions using a modified Delphi process. The evidence was then reviewed to answer these questions, and recommendations formulated and agreed by the whole group. RESULTS The resultant recommendations are presented in this paper. CONCLUSIONS The aim of these guidelines is to provide recommendations for practice that will lead to improved outcomes for patients.
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Deficiency of inducible and endothelial nitric oxide synthase results in diminished bone formation and delayed union and nonunion development. Bone 2016; 83:111-118. [PMID: 26555548 DOI: 10.1016/j.bone.2015.11.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Revised: 11/04/2015] [Accepted: 11/06/2015] [Indexed: 01/03/2023]
Abstract
BACKGROUND Between 5% and 10% of all fractures fail to heal adequately resulting in nonunion of the fracture fragments. This can significantly decrease a patient's quality of life and create associated psychosocial and socio-economic problems. Nitric oxide (NO) and nitric oxide synthases (NOS) have been found to be involved in fracture healing, but until now it is not known if disturbances in these mechanisms play a role in nonunion and delayed union development. In this study, we explored the role of endothelial and inducible NOS deficiency in a delayed union model in mice. MATERIALS AND METHODS A 0.45mm femur osteotomy with periosteal cauterization followed by plate-screw osteosynthesis was performed in the left leg of 20-24week old wild type, Nos2(-/-) and Nos3(-/-) mice. Contralateral unfractured legs were used as a control. Callus volume was measured using micro-computed tomography (μCT) after 28 and 42days of fracture healing. Immuno histochemical myeloperoxidase (MPO) staining was performed on paraffin embedded sections to assess neutrophil influx in callus tissue and surrounding proximal and distal marrow cavities of the femur. After 7 and 28days of fracture healing, femurs were collected for amino acid and RNA analysis to study arginine-NO metabolism. RESULTS With μCT, delayed union was observed in wild type animals, whereas in both Nos2(-/-) and Nos3(-/-) mice nonunion development was evident. Both knock-out strains also showed a significantly increased influx of MPO when compared with wild type mice. Concentrations of amino acids and expression of enzymes related to the arginine-NO metabolism were aberrant in NOS deficient mice when compared to contralateral control femurs and wild type samples. DISCUSSION AND CONCLUSION In the present study we show for the first time that the absence of nitric oxide synthases results in a disturbed arginine-NO metabolism and inadequate fracture healing with the transition of delayed union into a nonunion in mice after a femur osteotomy. Based on these data we suggest that the arginine-NO metabolism may play a role in the prevention of delayed unions and nonunions.
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Determining scaphoid waist fracture union by conventional radiographic examination: an analysis of reliability and validity. Arch Orthop Trauma Surg 2015; 135:291-296. [PMID: 25555379 DOI: 10.1007/s00402-014-2147-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2014] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Conventional radiographic imaging is the first imaging tool of choice in scaphoid fractures. The majority of undisplaced scaphoid waist fractures unite after 6 weeks of cast immobilization. We hypothesized that conventional radiographic imaging at 6 weeks after injury can both accurately and reliably predict union in undisplaced scaphoid waist fractures. MATERIALS AND METHODS Fleiss' kappa statistics were used concerning the opinions of four observers reviewing 47 sets of good-quality scaphoid radiographs of undisplaced scaphoid waist fractures. As reference standard for union, radiographs were taken at a minimum of 6 months after injury to determine validity. RESULTS Overall agreement was defined as moderate. (κ = 0.583) "No consolidation" (κ = 0.816), "full consolidation" (κ = 0.517) and "partial consolidation" (κ = 0.390) were defined as good, moderate and fair agreement, respectively. The average sensitivity and specificity of diagnosing scaphoid waist fracture union on standard scaphoid radiographs were 0.65 and 0.67, respectively. The positive predictive value for diagnosing union was 0.93 and the negative predictive value was 0.22. CONCLUSIONS Conventional radiographic imaging is accurate and moderately reliable in diagnosing union, and reliable but inaccurate in diagnosing nonunion of scaphoid waist fractures at 6 weeks follow-up.
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0521. A functional citrulline-arginine-no pathway and nos3 complex is essential to maintain microcirculatory function during endotoxemia. Intensive Care Med Exp 2014. [PMCID: PMC4796301 DOI: 10.1186/2197-425x-2-s1-p30] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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235. Sarcopenia is associated with an increased inflammatory response to surgery in colorectal cancer. Eur J Surg Oncol 2014. [DOI: 10.1016/j.ejso.2014.08.229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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CT scan-evaluated outcome of pulsed electromagnetic fields in the treatment of acute scaphoid fractures: a randomised, multicentre, double-blind, placebo-controlled trial. Bone Joint J 2014; 96-B:1070-6. [PMID: 25086123 DOI: 10.1302/0301-620x.96b8.33767] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We hypothesised that the use of pulsed electromagnetic field (PEMF) bone growth stimulation in acute scaphoid fractures would significantly shorten the time to union and reduce the number of nonunions in a randomised, double-blind, placebo-controlled multicentre trial. A total of 102 patients (78 male, 24 female; mean age 35 years (18 to 77)) from five different medical centres with a unilateral undisplaced acute scaphoid fracture were randomly allocated to PEMF (n = 51) or placebo (n = 51) and assessed with regard to functional and radiological outcomes (multiplanar reconstructed CT scans) at 6, 9, 12, 24 and 52 weeks. The overall time to clinical and radiological healing did not differ significantly between the active PEMF group and the placebo group. We concluded that the addition of PEMF bone growth stimulation to the conservative treatment of acute scaphoid fractures does not accelerate bone healing.
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PP287-SUN: Basal and Post-Prandial Muscle Protein Synthesis Rates are not Reduced in Sarcopenic Elderly. Clin Nutr 2014. [DOI: 10.1016/s0261-5614(14)50328-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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The effects of low-intensity pulsed ultrasound and pulsed electromagnetic fields bone growth stimulation in acute fractures: a systematic review and meta-analysis of randomized controlled trials. Arch Orthop Trauma Surg 2014; 134:1093-106. [PMID: 24895156 DOI: 10.1007/s00402-014-2014-8] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2013] [Indexed: 11/30/2022]
Abstract
INTRODUCTION The aim of this systematic review and meta-analysis was to evaluate the best currently available evidence from randomized controlled trials comparing pulsed electromagnetic fields (PEMF) or low-intensity pulsed ultrasound (LIPUS) bone growth stimulation with placebo for acute fractures. MATERIALS AND METHODS We performed a systematic literature search of the medical literature from 1980 to 2013 for randomized clinical trials concerning acute fractures in adults treated with PEMF or LIPUS. Two reviewers independently determined the strength of the included studies by assessing the risk of bias according to the criteria in the Cochrane Handbook for Systematic Reviews of Interventions. RESULTS Seven hundred and thirty-seven patients from 13 trials were included. Pooled results from 13 trials reporting proportion of nonunion showed no significant difference between PEMF or LIPUS and control. With regard to time to radiological union, we found heterogeneous results that significantly favoured PEMF or LIPUS bone growth stimulation only in non-operatively treated fractures or fractures of the upper limb. Furthermore, we found significant results that suggest that the use of PEMF or LIPUS in acute diaphyseal fractures may accelerate the time to clinical union. CONCLUSIONS Current evidence from randomized trials is insufficient to conclude a benefit of PEMF or LIPUS bone growth stimulation in reducing the incidence of nonunions when used for treatment in acute fractures. However, our systematic review and meta-analysis suggest that PEMF or LIPUS can be beneficial in the treatment of acute fractures regarding time to radiological and clinical union. PEMF and LIPUS significantly shorten time to radiological union for acute fractures undergoing non-operative treatment and acute fractures of the upper limb. Furthermore, PEMF or LIPUS bone growth stimulation accelerates the time to clinical union for acute diaphyseal fractures.
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Multiplanar reconstruction computed tomography for diagnosis of scaphoid waist fracture union: a prospective cohort analysis of accuracy and precision. Skeletal Radiol 2013; 42:1377-82. [PMID: 23740357 DOI: 10.1007/s00256-013-1658-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Revised: 05/10/2013] [Accepted: 05/20/2013] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To examine reliability and validity concerning union of scaphoid fractures determined by multiplanar reconstruction computed tomography randomized at 6, 12, and 24 weeks after injury. MATERIALS AND METHODS We used Fleiss' kappa to measure the opinions of three observers reviewing 44 sets of computed tomographic scans of 44 conservatively treated scaphoid waist fractures. We calculated kappa for the extent of consolidation (0-24 %, 25-49 %, 50-74 %, or 75-100 %) on the transverse, sagittal and coronal views. We also calculated kappa for no union, partial union, and union, and grouped the results for 6, 12, and 24 weeks after injury. As the reference standard for union, CT scans were performed at a minimum of 6 months after injury to determine validity. RESULTS Overall inter-observer agreement was found to be moderate (κ = 0.576). No union (κ = 0.791), partial union (κ = 0.502), and union (κ = 0.683) showed substantial, moderate, and substantial agreement, respectively. The average sensitivity of multiplanar reconstruction CT for diagnosing union of scaphoid waist fractures was 73 %. The average specificity was 80 %. CONCLUSIONS Our results suggest that multiplanar reconstruction computed tomography is a reliable and accurate method for diagnosing union or nonunion of scaphoid fractures. However, inter-observer agreement was lower with respect to partial union.
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A numerical study to analyse the risk for pressure ulcer development on a spine board. Clin Biomech (Bristol, Avon) 2013; 28:736-42. [PMID: 23953331 DOI: 10.1016/j.clinbiomech.2013.07.005] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2013] [Revised: 06/28/2013] [Accepted: 07/02/2013] [Indexed: 02/07/2023]
Abstract
BACKGROUND Spine boards are used to immobilise accident victims suspected of having spinal injury. Guidelines about the maximum time patients remain on the board are often exceeded and on occasions may lead to pressure ulcers. Etiological research has shown that two processes ultimately lead to pressure ulcers:"Ischemic damage" which takes several hours to initiate and "deformation damage" at high strains. The latter process is very quick and the first signs of cell damage are already evident within minutes. Thus in order to minimise the risk of pressure ulcer development during prolonged loading, a new soft-layered long spine board has been designed. METHODS A subject specific numerical approach has been adopted to evaluate the prototype spine board in comparison to a conventional spine board, with reference to the estimated strains in the soft tissues adjacent to the sacrum in the supine position. The model geometry is derived from magnetic resonance images of three human volunteers in an unloaded situation. The loaded images are used to "tune" the material parameters of skin, fat and muscle. The prediction of the deformed contours on the soft-layered board is used to validate the model. FINDINGS Comparison of the internal strains in muscle tissue near the spine showed that internal strains on the soft-layered board are reduced and maximum strains are considerably less than the threshold at which deformation damage is possible. By contrast, on the rigid spine board this threshold is exceeded in all cases. INTERPRETATION The prototype comfort board is able to reduce the risk for deformation damage and thus reduces the risk of developing pressure ulcers.
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Preoperative cardiac evaluation of geriatric patients with hip fracture. Injury 2012; 43:2146-51. [PMID: 22995981 DOI: 10.1016/j.injury.2012.08.007] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2011] [Accepted: 07/31/2012] [Indexed: 02/08/2023]
Abstract
BACKGROUND The American College of Cardiology (ACC) and the American Heart Association (AHA) have developed guidelines for perioperative assessment of patients in case of non-cardiac surgery. The aim of this study was to investigate if the preoperative cardiac evaluation of geriatric patients with hip fracture was in accordance with these guidelines and what the effects were on outcome. METHODS In a retrospective study 388 patients with hip fracture treated in the department of Trauma surgery of the Maastricht University Medical Centre in the Netherlands were included. All patients were treated between 2003 and 2006 and had at least two year follow-up. The preoperative cardiac screening was analysed with respect to content and to which level this followed the ACC/AHA guidelines. These guidelines were used to classify cardiac risk into low, intermediate and high risk. This was related to the outcome measurements delay to surgery, perioperative complications and mortality. RESULTS According to the ACC/AHA guidelines 82% of patients received correct preoperative cardiac screening in the low vs. 46% in the intermediate and 86% in the high risk group. The most frequent reason for incorrect preoperative cardiac screening was overscreening (>95%). The delay to surgery increased by 9.9h in the case of overscreening (p=0.03). A previous cardiac history was a significant risk factor for early mortality. Delay of >48 h was associated with more cardiovascular complications and mortality both on univariate and multivariate analysis. CONCLUSION Preoperative cardiac screening is frequently unnecessary after hip fracture, especially in patients with intermediate risk predictors and increases the delay to surgery. Delay of >48 h was associated with more cardiovascular complications and mortality postoperatively. The implementation of the ACC/AHA guidelines may prevent unnecessary cardiac consultations which reduces preoperative resources, delay to surgery and possibly decreases postoperative complications.
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The clinical and radiological outcome of pulsed electromagnetic field treatment for acute scaphoid fractures. ACTA ACUST UNITED AC 2012; 94:1403-8. [DOI: 10.1302/0301-620x.94b10.28844] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The use of pulsed electromagnetic fields (PEMF) to stimulate bone growth has been recommended as an alternative to the surgical treatment of ununited scaphoid fractures, but has never been examined in acute fractures. We hypothesised that the use of PEMF in acute scaphoid fractures would accelerate the time to union by 30% in a randomised, double-blind, placebo-controlled, multicentre trial. A total of 53 patients in three different medical centres with a unilateral undisplaced acute scaphoid fracture were randomly assigned to receive either treatment with PEMF (n = 24) or a placebo (n = 29). The clinical and radiological outcomes were assessed at four, six, nine, 12, 24 and 52 weeks. A log-rank analysis showed that neither time to clinical and radiological union nor the functional outcome differed significantly between the groups. The clinical assessment of union indicated that at six weeks tenderness in the anatomic snuffbox (p = 0.03) as well as tenderness on longitudinal compression of the scaphoid (p = 0.008) differed significantly in favour of the placebo group. We conclude that stimulation of bone growth by PEMF has no additional value in the conservative treatment of acute scaphoid fractures.
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Prehospital care in patients with severe traumatic brain injury: does the level of prehospital care influence mortality? Eur J Trauma Emerg Surg 2012; 39:35-41. [PMID: 26814921 DOI: 10.1007/s00068-012-0218-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2012] [Accepted: 07/15/2012] [Indexed: 11/30/2022]
Abstract
INTRODUCTION AND PURPOSE The controversy between the "scoop and run" versus the "stay and play" approach in severely injured trauma patients has been an ongoing issue for decades. The present study was undertaken to investigate whether changes in prehospital care for patients with severe traumatic brain injury in the Netherlands have improved outcome. METHODS In this retrospective study, files (n = 60) were analyzed from a prospectively collected database including all patients admitted to one of six hospitals in the Limburg region in the Netherlands with a Glasgow Coma Scale (GCS) score ≤8 on admittance over the period from January 2006 to December 2008. All patients had traumatic brain damage proven on computed tomography (CT) or magnetic resonance imaging (MRI). Relevant prehospital and clinical data from the present cohort were compared to data from a similar study (n = 30) conducted 20 years ago. The primary outcome assessed was mortality. RESULTS The two study groups had similar characteristics with regard to the GCS score. In the historic cohort, Basic Life Support (BLS) and the "scoop and run" approach in patients with major traumatic brain injury was common, with an average time on scene of 7.5 min. Currently, prehospital care is performed mainly on the level of prehospital Advanced Life Support (ALS), with the average time on scene being about four times as long as in the historic cohort. However, the overall mortality rate for the current cohort compared to the historic cohort has not changed. CONCLUSION Despite more on-site ALS in severely head injured patients nowadays compared to the historic cohort, there was no reduction in mortality.
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Osteoporosis is not a risk factor for the development of nonunion: A cohort nested case-control study. Injury 2011; 42:1491-4. [PMID: 21907987 DOI: 10.1016/j.injury.2011.08.019] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2010] [Revised: 06/27/2011] [Accepted: 08/17/2011] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Osteoporosis (OP) is one of the most prevalent metabolic bone disorders worldwide and it is associated with a higher incidence of fractures. The aim of this study was to identify OP as a risk factor for the development of nonunion. METHODS In a prospective database all patients aged >50 years with an acute fracture were screened for osteoporosis from September 13, 2004 till February 9, 2009. Bone mineral density measurements (T-scores, Z-scores and absolute values in g/cm(2)) were performed. The selected patients were matched (1:2 ratio) to control patients based on gender, age (±5 years) and type of fracture according to the AO-criteria. Other parameters including diabetes mellitus, corticosteroid use, rheumatoid arthritis, smoking, alcohol use, and body mass index were recorded. Follow-up for the patients in the matched group was at least one year. RESULTS This study included a total of 1498 patients who were screened for the presence of osteoporosis. In total 40 patients were treated for nonunion. After 1:2 matching this resulted in a total number of 120 patients for analysis. Logistic regression analysis including all covariates in the model demonstrated no correlation between the standardised regression coefficients and the development of nonunion (r(2)=0.10, p=0.6). The patients that developed an atrophic nonunion, according to radiographic results, were analysed separately and compared to matched patients. The presence of osteoporosis, osteopenia and normal bone density and the related independent BMD measurements did not differ significantly between the atrophic nonunion group and the matched controls. CONCLUSION We conclude that although bone quality may be diminished in the elderly this does not influence the occurrence of nonunion. These results indicate that the use of BMD measurements preoperatively to identify osteoporosis as a possible risk factor of nonunion has no clinical value.
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Historic overview of treatment techniques for rib fractures and flail chest. Eur J Trauma Emerg Surg 2010; 36:407-15. [PMID: 21841952 PMCID: PMC3150827 DOI: 10.1007/s00068-010-0046-5] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2010] [Accepted: 08/19/2010] [Indexed: 01/02/2023]
Abstract
Introduction From the beginning of the twentieth century till the current time, an overview is presented of the surgical treatment for rib fractures and flail chest. Methods Many techniques have been used to stabilize the thorax wall. There has been no follow-up for the most described techniques and the evidence provided is at its best at L3–4. This, together with the noninvasiveness of mechanical ventilation, has made the latter the golden standard. Conclusion However, the recent introduction of better and fully dedicated materials provides the possibility of exploring the surgical treatment of chest injuries. The authors make a case for operative treatment of rib fractures and flail chest.
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Ten-year mortality among hospitalised patients with fractures of the pubic rami. Injury 2010; 41:411-4. [PMID: 20060970 DOI: 10.1016/j.injury.2009.12.014] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2009] [Accepted: 12/17/2009] [Indexed: 02/02/2023]
Abstract
In a case-control study, 99 patients aged over 60 years and admitted to hospital with an isolated single fracture of the pubic ramus were compared with age- and gender-matched patients without fractures, in terms of morbidity and mortality. Ten years of follow-up showed that the survival of patients with an isolated pubic ramus fracture was significantly lower than that of controls. The mortality rates of patients with isolated pubic ramus fractures at 1, 5 and 10 years were 24.7%, 64.4% and 93.8%, respectively. One-third of the mortality was due to cardiovascular events. A 20.2% complication rate was found during hospital admission, mainly caused by infectious diseases, including urinary tract infection and pneumonia. Thirty-three percent of the patients were temporarily or permanently admitted to a nursing home, because they were unable to mobilise independently. In conclusion, our study found significant morbidity and mortality among patients admitted to hospital for an isolated pubic ramus fracture, both during hospital admission and during 10 years of follow-up.
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[Diagnostic image (383). A man with tenderness in the neck after trauma. Cervical thoracic dislocation]. NEDERLANDS TIJDSCHRIFT VOOR GENEESKUNDE 2008; 152:1730-1731. [PMID: 18727604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
A 62-year-old man had tenderness in the neck due to cervicothoracic dislocation after a fall from his bicycle.
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Tissue-oxygenation assessment using near-infrared spectroscopy during severe sepsis: confounding effects of tissue edema on StO2 values. Intensive Care Med 2006; 32:788-9. [PMID: 16544119 DOI: 10.1007/s00134-006-0121-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/20/2006] [Indexed: 10/24/2022]
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Luiking Y, Poeze M, Hendrikx M, Breedveld P, Dejong C, de Feiter P, Rubulotta F, Ramsay G, Deutz N. Crit Care 2006; 10:P208. [DOI: 10.1186/cc4555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Low plasma arginine concentration in septic patients is related to diminished de novo arginine production from citrulline. Clin Nutr 2003. [DOI: 10.1016/s0261-5614(03)80098-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Decreased organ failure in patients with severe SIRS and septic shock treated with the platelet-activating factor antagonist TCV-309: a prospective, multicenter, double-blind, randomized phase II trial. TCV-309 Septic Shock Study Group. Shock 2000; 14:421-8. [PMID: 11049104 DOI: 10.1097/00024382-200014040-00001] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Sepsis and organ failure remain the main cause of death on the ICU. Sepsis is characterized by a severe inflammatory response, in which platelet-activating factor (PAF) is considered to play an important role. This study investigated whether treatment with the PAF-antagonist TCV-309 reduces morbidity and mortality in patients with septic shock. The study was conducted as a double-blind, randomized, placebo controlled multicenter study. The included patients had to fulfill the SIRS criteria with a clinical suspicion of infection, an admission APACHE II score greater than 15, and shock, defined as a mean arterial pressure <70 mmHg and/or a decrease > or =40 mmHg despite adequate fluid resuscitation. Patients received 1.0 mg/kg TCV-309 or placebo, twice daily, intravenously during 14 days. The prospectively set goals were MOF score, recovery from shock, mortality, and assessment of the safety of the medication. A total of 98 patients were included of which 97 were analyzed on an intention-to-treat basis. The overall survival at day 56 of TCV-309 treated patients was similar compared to placebo treated patients (51.0% vs. 41.7%, P = 0.47). In contrast, the mean percentage of failed organs per patient present after 14 days in the TCV-309 treated patients was significantly lower compared to the placebo treated patients (11.9% vs. 25.1%, P = 0.04), leading to a reduced need for vasopressors, dialysis, and ventilatory support. Furthermore, the mean APACHE-II score during treatment with TCV-309 was significantly lower and the number of patients recovered from shock after day 14 was significantly higher in the TCV-309 treated patient group (2/32 vs. 9/29, P = 0.01). The number of adverse events was not significantly different between the TCV-309 and placebo treated patients. TCV-309 did not change overall mortality of septic shock, however a substantial reduction in organ dysfunction and morbidity, frequently associated with septic shock was achieved, without significant adverse events.
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Pre-operative tonometry is predictive for mortality and morbidity in high-risk surgical patients. Intensive Care Med 2000; 26:1272-81. [PMID: 11089753 DOI: 10.1007/s001340000604] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To determine whether a) pre-operative measurement of gastric intramucosal pHi is predictive for mortality and morbidity in high-risk surgical patients and b) peri-operative improvement of global oxygen delivery (DO2) with fluids and dopexamine leads to increased gastric pHi and c) either improved global perfusion or improved splanchnic perfusion is related to the prevention of multiple organ failure (MOF). DESIGN Retrospective analysis of a double-blind, placebo-controlled, randomised study. SETTING General intensive care units from 14 hospitals. PATIENTS Two hundred eighty-six high-risk surgical patients. INTERVENTIONS Swan-Ganz and tonometer catheter placement; patients were stabilised pre-operatively using fluids, blood and/or oxygen to preset goals before receiving placebo or two doses of dopexamine (0.5 or 2.0 microg.kg.min) peri-operatively. MEASUREMENTS AND RESULTS Haemodynamic assessment (including DO2 and oxygen consumption (VO2)) was performed together with measurement of gastric mucosal pHi pre-operatively and directly, 2, 6, 12, 24 and 36 h post-operatively. Retrospectively, patients were divided pre-operatively into two sub-groups based on the optimal cut-off value for mortality of the first pHi measurement after induction of anaesthesia as calculated by a receiver operator characteristic (ROC) curve analysis --low pHi group (< 7.35) and normal pHi (> or =7.35). Mortality in the low pHi, was higher than in the normal pHi, group (16.8 vs 2.3%; p = 0.0001). In the normal pHi group dopexamine, which was given prior to the first pHi measurement, had no effect on pHi, while DO2 increased significantly. In this group MOF score and number of patients with MOF remained similar for the treatment sub-groups. In the low pHi group gastric pHi increased significantly during dopexamine infusion (p = 0.008), despite the lack of an increase in DO2 and VO2. In this group the MOF score and the number of patients developing MOF decreased significantly with the use of dopexamine (p = 0.04). In both groups bicarbonate levels remained similar for the treatment subgroups. CONCLUSIONS In high-risk surgical patients pre-operative measurement of pHi was predictive for mortality. The peri-operative response of pHi to dopexamine seemed to be dependent on pre-operative gastric pHi.
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Goal-oriented haemodynamic therapy: a plea for a closer look at using peri-operative oxygen transport optimisation. Intensive Care Med 2000; 26:635-7. [PMID: 10923742 DOI: 10.1007/s001340051216] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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