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Recurrent ventricular tachycardia secondary to severe coronary artery ectasia

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Journal of Geriatric Cardiology 2020年第10期17卷 647-648页

作者： william kogler Jose Ruiz Maedeh Ganji Ismael Ortiz Department of Internal Medicine University of Florida College of Medicine-JacksonvilleFloridaUSA Department of Cardiology University of Florida College of Medicine-JacksonvilleFloridaUSA

A 64-year-old male with a history of thoracic aortic ulcer s/p thoracic endovascular aortic repair presented to the hospital with typical chest pain.His initial physical exam was unremarkable.Cardiac biomarkers were n... 详细信息

关键词： Coronary artery ectasia

Coxsackievirus B infection presenting as a hemorrhagic pericardial effusion causing tamponade

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Journal of Geriatric Cardiology 2020年第10期17卷 642-644页

作者： Fadi Kandah Pooja Dhruva Jose Ruiz Andres Martinez william kogler Internal Medicine University of Florida Health JacksonvilleJacksonvilleUSA

The coxsackievirus is well known for its vastly differing clinical presentations.Patients with coxsackievirus usually present with a viral prodrome which can then progress to the cardiac symptoms of chest pain and/or palpitations.Most patients improve quickly with simply supportive care and nonsteroidal anti-inflammatory medications.

关键词： Cardiac tamponade Coxsackievirus Pericarditis

A case series of precipitous cardiac tamponade from suspected perimyocarditis in COVID-19 patients

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Journal of Geriatric Cardiology 2021年第5期18卷 403-406,I0002-I0004页

作者： william kogler Michael Omar Naji Maaliki Shaorinkumar Patel Sam Foldy Jose Ruiz Department of Internal Medicine University of Florida JacksonvilleJacksonvilleFLUSA Department of Cardiology University of Florida JacksonvilleFLUSA

A 71yearold well controlled hypertensive female presented on day 4 of acute COVID19 illness with atypical chest pain and worsening exertional dyspnea.On examination,heart rate was 110 beats/min,blood pressure was 125/82 mmHg and there were decreased heart sounds with visible jugular venous distention.She was not in respiratory distress at rest and was not requiring supplemental oxygen.Chest radiography showed bilateral diffuse opacities(Figure 1).transthoracic echocardiography(TTE)confirmed a moderate pericardial effusion with right ventricular systolic compression,paradoxical right ventricular septal motion,enddiastolic right atrial collapse,and a plethoric inferior vena cava(IVC)with no respiratory variation.Her ejection fraction(EF)was 55%.Initial workup revealed mildly elevated troponin T levels of 0.14 ng/mL,NTPro BNP of 2500 pg/mL.

关键词： hypertensive distress elevated

Developing a new agenda for increased food and climate security

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Frontiers of Agricultural Science and Engineering 2024年第1期11卷 35-54页

作者： william J.DAVIES Lancaster Environment Centre Lancaster UniversityLancasterLA14YQUK

In many countries, political and environmental pressures are currently combining to generate a perfect storm of circumstances that is reducing food availability, increasing food costs and thereby reducing the availability of food to many. The UK is currently considering new national food and land management policies, and attention is also being given to legislation to address diet-related health issues. Many now argue for a revolution in UK farming practices to reduce their impact on the natural environment. The UK is not alone in facing these and other challenges. Both the contribution of agriculture to greenhouse gas(GHG) emissions and the effects of climate change on food production are issues receiving worldwide attention.Regenerative agricultural practices can result in greater C capture, reduced GHG emissions, enhanced soil quality and enhanced biodiversity. However, it is questioned if such farming systems will be productive enough to feed a growing population with the food required for social and health benefits. To fully exploit the impact of new plant science in farmer fields, it is imperative to effectively link science to farming practices and conduct a broader conversation around the food revolution with social scientists and with the general public.

关键词： Climate resilience food security human health planetary health regenerative agriculture

Unicompartmental knee arthroplasty vs high tibial osteotomy for knee osteoarthritis:A comparison of clinical and radiological outcomes

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World Journal of Orthopedics 2024年第5期15卷 444-456页

作者： Frederick william Wyatt Oday Al-Dadah Translational and Clinical Research Institute Faculty of Medical SciencesNewcastle UniversityNewcastle Upon Tyne NE24HHUnited Kingdom Department of Trauma and Orthopaedic Surgery South Tyneside District HospitalSouth Shields NE340PLUnited Kingdom

BACKGROUND Unicompartmental knee arthroplasty(UKA)and high tibial osteotomy(HTO)are well-established operative interventions in the treatment of knee osteoarthritis.However,which intervention is more beneficial to patients with knee osteoarthritis remains unknown and a topic of much debate.Simultaneously,there is a paucity of research assessing the relationship between radiographic parameters of knee joint alignment and patient-reported clinical outcomes,preoperatively and following HTO or UKA.AIM To compare UKAs and HTOs as interventions for medial-compartment knee osteoarthritis:Examining differences in clinical outcome and investigating the relationship of joint alignment with respect to this.METHODS This longitudinal observational study assessed a total of 42 patients that had undergone UKA(n=23)and HTO(n=19)to treat medial compartment knee osteoarthritis.Patient-reported outcome measures(PROMs)were collected to evaluate clinical outcome.These included two disease-specific(Knee Injury and Osteoarthritis Outcome Score,Oxford Knee Score)and two generic(EQ-5D-5L,Short Form-12)PROMs.The radiographic parameters of knee alignment assessed were the:Hip-knee-ankle angle,mechanical axis deviation and angle of Mikulicz line.RESULTS Statistical analyses demonstrated significant(P<0.001),preoperative to postoperative,improvements in the PROM scores of both groups.There were,however,no significant inter-group differences in the postoperative PROM scores of the UKA and HTO group.Several significant correlations associated a more distolaterally angled Mikulicz line with worse knee function and overall health preoperatively(P<0.05).Postoperatively,two clusters of significant correlations were observed between the disease-specific PROM scores and knee joint alignment parameters(hip-knee-ankle angle,mechanical axis deviation)within the HTO group;yet no such associations were observed within the UKA group.CONCLUSION UKAs and HTOs are both efficacious operations that provide a comparable degree of clinical benefit to patients wi

关键词： Arthroplasty Osteotomy Medial compartment Osteoarthritis Knee alignment Patient reported outcome measures

Anatomic location of the first dorsal extensor compartment for surgical De-Quervain’s tenosynovitis release:A cadaveric study

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World Journal of Orthopedics 2024年第4期15卷 379-385页

作者： Aditya Thandoni william Nicholas Yetter Steven Michael Regal Department of Orthopaedic Surgery Allegheny Health NetworkPittsburghPA 15212United States

BACKGROUND De-Quervain’s tenosynovitis is a disorder arising from the compression and irritation of the first dorsal extensor compartment of the wrist.Patients who fail conservative treatment modalities are candidates for surgical release.However,risks with surgery include damage to the superficial radial nerve and an incomplete release due to inadequate dissection.Currently,there is a paucity of literature demonstrating the exact anatomic location of the first dorsal extensor compartment in reference to surface anatomy.Thus,this cadaveric study was performed to determine the exact location of the first extensor compartment and to devise a reliable surgical incision to prevent complications.AIM To describe the location of the first dorsal compartment in relation to bony surface landmarks to create replicable surgical incisions.METHODS Six cadaveric forearms,including four left and two right forearm specimens were dissected.Dissections were performed by a single fellowship trained upper extremity orthopaedic surgeon.Distance of the first dorsal compartment from landmarks such as Lister’s tubercle,the wrist crease,and the radial styloid were calculated.Other variables studied included the presence of the superficial radial nerve overlying the first dorsal compartment,additional compartment subsheaths,number of abductor pollicis longus(APL)tendon slips,and the presence of a pseudo-retinaculum.RESULTS Distance from the radial most aspect of the wrist crease to the extensor retinaculum was 5.14 mm±0.80 mm.The distance from Lister’s tubercle to the distal aspect of the extensor retinaculum was 13.37 mm±2.94 mm.Lister’s tubercle to the start of the first dorsal compartment was 18.43 mm±2.01 mm.The radial styloid to the initial aspect of the extensor retinaculum measured 2.98 mm±0.99 mm.The retinaculum length longitudinally on average was 26.82 mm±3.34 mm.Four cadaveric forearms had separate extensor pollicis brevis compartments.The average number of APL tendon slips was three.A pseudo-retinaculum was present in four cad

关键词： De-Quervain’s tenosynovitis First extensor compartment Cadaveric study Superficial radial nerve Radial styloid Lister’s tubercle

Detection of onset of agglomeration in a bubbling fluidized bed biomass combustor using reactive Eulerian computational fluid dynamics

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Particuology 2024年第7期90卷 504-515页

作者： Abdullah Tasleem Atta Ullah Fei Li Qun Yi william Nimmo Syed Sheraz Daood Department of Chemical Engineering Pakistan Institute of Engineering and Applied Sciences(PIEAS)Lehtrar RoadP.O.Nilore45650IslamabadPakistan Institute of Process Engineering Chinese Academy of SciencesBeijing100190China School of Chemical Engineering and Pharmacy Wuhan Institute of TechnologyWuhan430205China Energy Engineering Group Energy 2050Department of Mechanical EngineeringUniversity of SheffieldSheffieldS37RDUnited Kingdom Institute of Energy and Environmental Engineering Faculty of ElectricalEnergy&Environmental EngineeringUniversity of the PunjabQuaid-e-Azam CampusLahorePakistan Energy Engineering Research and Development Centre Faculty of ElectricalEnergy&Environmental EngineeringUniversity of the PunjabQuaid-e-Azam CampusLahorePakistan

The choice of a type of combustion technology to be used for heat or power generation depends on economic,technical,operational and fuel availability constraints.The benefits associated with the evolving market driven by the fluidised bed combustion(FBC)technology cannot be overlooked especially when gauged at 65 GWth of worldwide installed capacity alongside added benefits of handling fuel variation,low pollutant emissions and high combustion efficiency.Biomass or biomass waste will continue to have a vital role to play in the future FBC technology-based power generation.Biomass often contains high levels of inorganic species that can form sticky agglomerates posing a significant risk to boiler operation resulting in unscheduled outages.This added complexity of the behaviour of the fuel and bed material mix highlights the requirement for simulation models to identify agglomeration to help improve the overall performance and reliability of FBC technology.To resolve this problem,this research devised a simulation strategy for the detection of agglomeration using the Eulerian–Eulerian approach.The developed modelling strategy is validated with the experimental data available in literature for two-dimensional simplified geometry of a pilot-scale fluidised bed combustor.The model results were found promising and robust to predict bed defluidisation times and other parameters consistent with the experimental data.

关键词： Fluidized bed combustion Eulerian Models Biomass Agglomeration Defluidisation

william Morris,Establishing the Foundation for the Advancement of TCM in the US

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Chinese Medicine and Culture 2024年第1期7卷 29-40页

作者： Ioannis Solos Charles Buck william Morris Saint George Clinic and Research Institute Scottsdale 85251the United States of America Northern College of Acupuncture Micklegate YO16LJthe United Kingdom AOMA Graduate School of Integrative Medicine Austin 78745the United States of America

The interview was conducted on March 2nd, 2023 by Ioannis Solos and Charles Buck. william Morris has sustained practice since 1980. He has served on the California, Texas and Massachusetts Professional Associations, as well as the National Association. He has tendered 20 years of service to the field through academic medicine, earning a master’s degree in medical education to assist in developing Chinese medical doctoral programs and institutional review boards. He earned an OM.D. in 1988, a DAOM in 2002, and a Ph.D. focused on pulse diagnosis as clinical epistemology in 2009. He has published five books, including TCM Case Studies Dermatology, Li Shi-zhen Pulse Studies: An Illustrated Guide, Neoclassical Pulse Diagnosis, Cycles in Medical Astrology, and Transformation: Treating Trauma with Acupuncture and Herbs.

关键词： Acupuncture sustained diagnosis

Additively manufactured Ti–Ta–Cu alloys for the next-generation load-bearing implants

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International Journal of Extreme Manufacturing 2024年第1期6卷 353-374页

作者： Amit Bandyopadhyay Indranath Mitra Sushant Ciliveri Jose D Avila william Dernell Stuart B Goodman Susmita Bose W.M.Keck Biomedical Materials Research Laboratory School of Mechanical and Materials EngineeringWashington State UniversityPullmanWA 99164United States of America Veterinary Clinical Sciences College of Veterinary MedicineWashington State UniversityPullmanWA 99164United States of America Department of Orthopedic Surgery Stanford University Medical CenterRedwood CityCA 94063United States of America

Bacterial colonization of orthopedic implants is one of the leading causes of failure and clinical complexities for load-bearing metallic implants. Topical or systemic administration of antibiotics may not offer the most efficient defense against colonization, especially in the case of secondary infection, leading to surgical removal of implants and in some cases even limbs. In this study, laser powder bed fusion was implemented to fabricate Ti3Al2V alloy by a 1:1 weight mixture of CpTi and Ti6Al4V powders. Ti-Tantalum(Ta)–Copper(Cu) alloys were further analyzed by the addition of Ta and Cu into the Ti3Al2V custom alloy. The biological,mechanical, and tribo-biocorrosion properties of Ti3Al2V alloy were evaluated. A 10 wt.% Ta(10Ta) and 3 wt.% Cu(3Cu) were added to the Ti3Al2V alloy to enhance biocompatibility and impart inherent bacterial resistance. Additively manufactured implants were investigated for resistance against Pseudomonas aeruginosa and Staphylococcus aureus strains of bacteria for up to 48 h. A 3 wt.% Cu addition to Ti3Al2V displayed improved antibacterial efficacy, i.e.78%–86% with respect to CpTi. Mechanical properties for Ti3Al2V–10Ta–3Cu alloy were evaluated, demonstrating excellent fatigue resistance, exceptional shear strength, and improved tribological and tribo-biocorrosion characteristics when compared to Ti6Al4V. In vivo studies using a rat distal femur model revealed improved early-stage osseointegration for alloys with10 wt.% Ta addition compared to CpTi and Ti6Al4V. The 3 wt.% Cu-added compositions displayed biocompatibility and no adverse infammatory response in vivo. Our results establish the Ti3Al2V–10Ta–3Cu alloy’s synergistic effect on improving both in vivo biocompatibility and microbial resistance for the next generation of load-bearing metallic implants.

关键词： Ti6Al4V load-bearing implants additive manufacturing 3D printing antibacterial performance