467 results on '"K. Brogan"'
Search Results
2. Standardised virtual fracture clinic management of radiographically stable Weber B ankle fractures is safe, cost effective and reproducible
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S.F. Bellringer, J. Gibbs, L. Cassidy, and K. Brogan
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Male ,medicine.medical_specialty ,Cost effectiveness ,Radiography ,Cost-Benefit Analysis ,medicine.disease_cause ,Ankle Fractures ,Weight-bearing ,Weight-Bearing ,03 medical and health sciences ,Fracture Fixation, Internal ,User-Computer Interface ,0302 clinical medicine ,medicine ,Humans ,030212 general & internal medicine ,Fracture clinic ,General Environmental Science ,Retrospective Studies ,030222 orthopedics ,Clinical Audit ,business.industry ,Reproducibility of Results ,Evidence-based medicine ,Middle Aged ,Telemedicine ,United Kingdom ,Surgery ,medicine.anatomical_structure ,Treatment Outcome ,Patient Satisfaction ,Evidence-Based Practice ,Orthopedic surgery ,Physical therapy ,General Earth and Planetary Sciences ,Female ,Ankle ,business ,Cohort study - Abstract
Background Virtual clinics have been shown to be safe and cost-effective in many specialties, yet barriers exist to their implementation in orthopaedics. Ankle fractures are common and therefore represent a significant clinical workload. The aim of this study was to evaluate the management of radiographically stable Weber B ankle fractures using a standardised treatment protocol in a virtual fracture clinic setting, to assess clinical outcomes, any complications and its cost effectiveness. Methods All patients referred to the VFC with an actual or suspected stable Weber B ankle fracture between September 2013 and September 2015 were identified. The primary outcome measure was successful fracture union. Any complications were noted and a cost analysis comparing the VFC and traditional fracture clinic models was undertaken. Results 314 patients referred with a radiographically stable Weber B ankle fracture were identified. Follow up was complete for 98.4% (309/314) of patients. The union rate was 99.4% (307/309) in patients where follow up was completed. 3.5% (11/309) of patients were underwent acute surgical intervention. Of these patients, 6 were identified as having an unstable injury on weight bearing radiographs at 2 weeks and underwent ORIF, 4 were identified as having an unstable injury on EUA and underwent ORIF and 1 had an EUA with no fixation. 2 patients required ORIF for radiographically confirmed non-union. A cost saving analysis comparing the traditional fracture clinic model and VFC model revealed a saving of £237 per patient (32% reduction) with a VFC model. This represents an estimated saving of almost £40,000 per year for the management of this injury alone in our institution. Conclusion Our study supports the use of a virtual fracture clinic model that is standardised, initiated in ED, and is both safe and cost-effective in the management of radiographically stable Weber B ankle fractures. Level of evidence Level III–Retrospective Cohort Study.
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- 2017
3. Surgical outcome and risk stratification for primary retinal detachment repair: results from the Scottish Retinal Detachment study
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David Yorston, Muhammad Amer Awan, K Brogan, M A Rehman Siddiqui, Shyamanga Borooah, Jagmeet P. Singh, David G. Charteris, Brian W Fleck, Danny Mitry, Harry Campbell, and A. F. Wright
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Male ,medicine.medical_specialty ,Proliferative vitreoretinopathy ,medicine.medical_treatment ,Visual Acuity ,Vitrectomy ,Endotamponade ,Risk Assessment ,Sensitivity and Specificity ,Retina ,Cellular and Molecular Neuroscience ,Predictive Value of Tests ,Ophthalmology ,medicine ,Humans ,Prospective Studies ,Treatment Failure ,Prospective cohort study ,Surgical repair ,business.industry ,Retinal Detachment ,Retinal detachment ,Middle Aged ,medicine.disease ,Sensory Systems ,Surgery ,Scleral Buckling ,Treatment Outcome ,Scotland ,Predictive value of tests ,Female ,business ,Risk assessment ,Ophthalmologic Surgical Procedure - Abstract
Objectives To report the early surgical outcome, risk of failure and predictive value of rhegmatogenous retinal detachment (RRD) classification based on all participants in the Scottish Retinal Detachment study. Methods Over 2 years, all incident cases of RRD in Scotland were approached for recruitment. Early postoperative success was defined as an attached retina following one procedure with a minimum follow-up of 6–8 weeks. Using a regression model, the influence of clinical factors on the failure risk was estimated and the sensitivity and specificity of the Royal College of Ophthalmologists (RCOphth) grading for RRD and the vitrectomy in retinal detachment stratification risk formula (VR-SRF) in predicting operative failure were assessed. Results Primary outcome data were available for 86.2% (975/1130) of patients. The overall primary success rate was 80.8% (95% CI 78.1 to 83.3%). The presence of preoperative proliferative vitreoretinopathy of any degree and each additional clock hour of detachment increased the risk of failure by an OR of 2.4 and 1.13 respectively (p 95% in predicting early surgical failure was noted for highly complex RRDs according to the VR-SRF formula and the RCOphth classification. Conclusions Consistent with previous series, the overall early success rate of RRD repair was 80% after one operation. The type of surgical repair did not influence overall success rates. Significant predictors of failure are the presence of preoperative proliferative vitreoretinopathy of any grade and the extent of detachment. The analytical value of current classification systems in predicting failure is most useful in complex RRDs.
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- 2012
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4. First-trimester combined ultrasound and biochemical screening for Down syndrome in routine clinical practice
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David A. Aitken, E. J. Stenhouse, A. D. Cameron, Jennifer A. Crossley, K. Brogan, and J. M. Connor
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Adult ,Down syndrome ,medicine.medical_specialty ,Adolescent ,Pregnancy-associated plasma protein A ,Population ,Gestational Age ,Prenatal diagnosis ,Risk Assessment ,Pregnancy ,Prenatal Diagnosis ,medicine ,Humans ,Pregnancy-Associated Plasma Protein-A ,Chorionic Gonadotropin, beta Subunit, Human ,False Positive Reactions ,education ,Genetics (clinical) ,education.field_of_study ,Obstetrics ,business.industry ,Obstetrics and Gynecology ,Gestational age ,Middle Aged ,medicine.disease ,Pregnancy Trimester, First ,Female ,Down Syndrome ,Nuchal Translucency Measurement ,Trisomy ,Risk assessment ,business ,Biomarkers - Abstract
Objectives To assess the effectiveness of combined ultrasound and biochemical (CUB) screening for chromosome abnormalities in singleton pregnancies in a routine antenatal clinic and laboratory setting. Methods Women whose pregnancies fell within the gestational age range of 11 to 14 weeks by ultrasound assessment were offered CUB screening on the basis of measurement of nuchal translucency (NT), maternal serum free beta-human chorionic gonadotrophin (FβhCG) and pregnancy-associated plasma protein A (PAPP-A). NT measurements were obtained using a standardised method defined by the Fetal Medicine Foundation and FβhCG, and PAPP-A were measured using the DELFIA immunoassay system. Each screening marker measurement was converted to a multiple of the appropriate gestational median and a risk was derived using previously published parameters for each marker in chromosomally abnormal and unaffected pregnancies. A combined risk of Down syndrome and of trisomy 18/13, incorporating the maternal age risk, was calculated for all women. Invasive diagnostic testing was offered to women whose combined risk exceeded the cut-off risk of 1 in 250 (term). Results Five thousand and eighty-four women accepted a first-trimester screening test for Down syndrome, representing 75% of the eligible booking population. Out of the population eligible for CUB screening at the time of booking, NT measurements were obtained from 93% at the first clinic visit and 7% had to return for a second attempt. After excluding women who defaulted on a return visit, satisfactory NT measurements were obtained in 99.5% of pregnancies. Fifteen cases of Down syndrome and eleven pregnancies with other chromosome abnormalities were ascertained. The detection rate for Down syndrome was 93% (14/15) at a false-positive rate of 5.9% and for all chromosome abnormalities it was 96% (25/26) at an overall false-positive rate of 6.3%. Conclusions CUB screening offers a significant improvement in sensitivity over second-trimester biochemical screening and is deliverable within a routine prenatal clinical setting. Copyright © 2004 John Wiley & Sons, Ltd.
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- 2004
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5. Diagnosis and management of acute non-degenerative neck pain
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K Brogan and BA Rogers
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Diagnostic Imaging ,medicine.medical_specialty ,Neck pain ,Neck Pain ,business.industry ,General Medicine ,Surgery ,Diagnosis, Differential ,Acute Disease ,medicine ,Humans ,Pain Management ,medicine.symptom ,business - Published
- 2013
6. Putting theory into preliminary practice: Neuroinflammatory models of postpartum depression
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K Brogan
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Postpartum depression ,medicine.medical_specialty ,Psychotherapist ,medicine ,medicine.disease ,Psychiatry ,Psychology - Published
- 2013
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7. You Teach What You Eat: Classroom Nutrition of Hispanic Elementary School Teachers
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Fatma G. Huffman, G. Senokossoff, K. Brogan-Hartlieb, Javier Tamargo, Adriana Campa, and Catherine Coccia
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Medical education ,School teachers ,Nutrition and Dietetics ,General Medicine ,Psychology ,Food Science - Published
- 2016
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8. Developing the Mentoring, Education, and Nutrition Knowledge for Teachers to Reduce Obesity Risk in Children (M.E.N.T.O.R.) Project: In-Service and Pre-Service Teacher Needs Assessment Results
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Fatma G. Huffman, Catherine Coccia, G. Senokossoff, K. Brogan-Hartlieb, and Adriana Campa
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Service (business) ,Pre service ,Medical education ,Nutrition and Dietetics ,Needs assessment ,Medicine (miscellaneous) ,Obesity risk ,Psychology ,Nutrition knowledge - Published
- 2016
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9. The impact of snow on trauma admissions in the United Kingdom: Experiences of a regional Trauma Centre
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G. McKay, K. Brogan, C.M. Jack, D.W. Reed, and C. Doctor
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musculoskeletal diseases ,medicine.medical_specialty ,business.industry ,Snow ,musculoskeletal system ,Kingdom ,Family medicine ,Emergency Medicine ,otorhinolaryngologic diseases ,Medicine ,Trauma centre ,Optometry ,Surgery ,Orthopedics and Sports Medicine ,business - Published
- 2011
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10. Diagnosis and management of degenerative neck pain
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K Brogan, NJ Little, and BA Rogers
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medicine.medical_specialty ,Neck pain ,Neck Pain ,business.industry ,General Medicine ,Magnetic Resonance Imaging ,Spinal Cord Diseases ,Diagnosis, Differential ,Physical therapy ,Cervical Vertebrae ,Medicine ,Humans ,medicine.symptom ,business ,Radiculopathy ,Tomography, X-Ray Computed - Abstract
Neck pain is a common presenting complaint, but the precise patho-aetiology is often unclear. Broadly speaking, the cause of neck pain can be considered as degenerative or non-degenerative (Table 1). While detailing the important non-degenerative causes the clinician should not miss, this article reviews the diagnosis and management of the common degenerative orthopaedic causes of neck pain.
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- 2010
11. Investigating the Relationship between Subjective and Objective Exertion during a Cardiovascular Fitness Test in Minority Youth with Obesity
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K. Brogan Hartlieb, Sylvie Naar-King, Angela J. Jacques-Tiura, and M. Menendez
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medicine.medical_specialty ,Nutrition and Dietetics ,business.industry ,medicine ,Physical therapy ,General Medicine ,Exertion ,medicine.disease ,business ,Obesity ,Cardiovascular fitness ,Food Science ,Test (assessment) - Published
- 2015
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12. P032: Screening for chromosomal abnormalities using 2D and 3D ultrasound
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A. D. Cameron and K. Brogan
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Pathology ,medicine.medical_specialty ,Reproductive Medicine ,Radiological and Ultrasound Technology ,medicine.diagnostic_test ,business.industry ,Obstetrics and Gynecology ,Medicine ,Radiology, Nuclear Medicine and imaging ,3D ultrasound ,General Medicine ,business - Published
- 2003
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13. OC022: Quality control in the measurement of nuchal translucency in the first trimester of pregnancy
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K. Brogan, A. D. Cameron, J. A. Crossley, D. A. Aitken, and E. J. Stenhouse
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Pregnancy ,medicine.medical_specialty ,Radiological and Ultrasound Technology ,business.industry ,Obstetrics ,Significant difference ,Obstetrics and Gynecology ,General Medicine ,medicine.disease ,Confidence interval ,Screening programme ,First trimester ,Reproductive Medicine ,Nuchal translucency ,Nuchal Translucency Measurement ,medicine ,Radiology, Nuclear Medicine and imaging ,Trisomy ,business - Abstract
Objectives: Nuchal translucency is known to be a sonographic marker of autosomal trisomy. First trimester screening for Down’s syndrome has been offered routinely since August 2000 in the Queen Mother’s Hospital. The screening programme involves measurement of maternal serum for free bhCG and PAPP-A and nuchal translucency (NT) between 11–14 weeks of gestation. Nuchal translucency is known to be a sonographic marker of autosomal trisomy. Nuchal translucency measurements need to be precise, accurate and reproducible when being used as part of a screening programme. A system of audit is therefore required to ensure that the operators carrying out these measurements are doing so to appropriate standards. Methods: A hard copy thermal image was saved from each nuchal translucency measurement taken. A scoring system was used to score the images. 10 random images from each operator were reviewed each month and scored by an independent assessor. In addition individual NT MOM (multiple of median) values were compared statistically. Scores were given to each operator for inter-operator agreement of the 95% and 99% confidence intervals. These scores and those from the assessment of images were combined to give results, which were given to each operator along with comments on how to improve the images. Results: Changes in the measurement of NT were assessed over a four-month period using the Mann-Whitney test for comparisons between groups of two operators. There was a significant difference between operator 1 and operator 2 in the first month (p = 0.001) but by the fourth month there was no significant difference (p = 0.858). Conclusions: The quality control cycle aids the improvement of NT images and reduces inter-operator variation.
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- 2003
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14. Differences in Down's syndrome risk estimates from sequential measurements of first trimester biophysical and biochemical markers
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A. D. Cameron, K. Brogan, J. A. Crossley, E. J. Stenhouse, and D. A. Aitken
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First trimester ,S syndrome ,business.industry ,Obstetrics and Gynecology ,Physiology ,Medicine ,business ,Biochemical markers - Published
- 2003
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15. SLC29A3 Pathogenic Variants Resulting in Dural Based Fibroinflammatory Mass Lesions and H Syndrome Treated With Cobimetinib: A Case Report.
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Banks, Samantha A., Abeykoon, Jithma P., Rech, Karen, Morris, Pearse, Tan, Queenie K.G., Veres, Larissa N., Schoonover, Kimberly L., Aksamit, Allen J., Keating, Gesina F., Kissoon, Narayan, Sominidi Damodaran, Sindhuja, Maredia, Hasina S., Davidge-Pitts, Caroline J., Villasboas, Jose C., Go, Ronald, and Tobin, W. Oliver
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- 2024
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16. Beyond Pharmacology: The Biological Mechanisms of Remote Ischemic Conditioning in Cerebrovascular Disease.
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Qin, Linhui, Tong, Fang, Li, Sijie, and Ren, Changhong
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STROKE ,ISCHEMIC stroke ,CEREBROVASCULAR disease ,ISCHEMIC conditioning ,DRUG therapy - Abstract
Cerebrovascular diseases (CVDs), comprising predominantly ischemic stroke and chronic cerebral hypoperfusion (CCH), are a significant threat to global health, often leading to disability and mortality. Remote ischemic conditioning (RIC) has emerged as a promising, non-pharmacological strategy to combat CVDs by leveraging the body's innate defense mechanisms. This review delves into the neuroprotective mechanisms of RIC, categorizing its effects during the acute and chronic phases of stroke recovery. It also explores the synergistic potential of RIC when combined with other therapeutic strategies, such as pharmacological treatments and physical exercise. Additionally, this review discusses the pathways through which peripheral transmission can confer central neuroprotection. This review concludes by addressing the challenges regarding and future directions for RIC, emphasizing the need for standardized protocols, biomarker identification, and expanded clinical trials to fully realize its therapeutic potential. [ABSTRACT FROM AUTHOR]
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- 2024
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17. Systemic lupus erythematosus: pathogenesis and targeted therapy.
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Su, Xu, Yu, Hui, Lei, Qingqiang, Chen, Xuerui, Tong, Yanli, Zhang, Zhongyang, Yang, Wenyong, Guo, Yuanbiao, and Lin, Liangbin
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SYSTEMIC lupus erythematosus ,IMMUNOLOGICAL tolerance ,IMMUNE system ,IMMUNE response ,SYMPTOMS ,AUTOIMMUNE diseases - Abstract
Systemic lupus erythematosus (SLE) is a multifaceted autoimmune disorder characterized by dysregulated immune responses and autoantibody production, which affects multiple organs and varies in clinical presentation and disease severity. The development of SLE is intricate, encompassing dysregulation within the immune system, a collapse of immunological tolerance, genetic susceptibilities to the disease, and a variety of environmental factors that can act as triggers. This review provides a comprehensive discussion of the pathogenesis and treatment strategies of SLE and focuses on the progress and status of traditional and emerging treatment strategies for SLE. Traditional treatment strategies for SLE have mainly employed non-specific approaches, including cytotoxic and immunosuppressive drugs, antimalarials, glucocorticoids, and NSAIDs. These strategies are effective in mitigating the effects of the disease, but they are not a complete cure and are often accompanied by adverse reactions. Emerging targeted therapeutic drugs, on the other hand, aim to control and treat SLE by targeting B and T cells, inhibiting their activation and function, as well as the abnormal activation of the immune system. A deeper understanding of the pathogenesis of SLE and the exploration of new targeted treatment strategies are essential to advance the treatment of this complex autoimmune disease. [ABSTRACT FROM AUTHOR]
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- 2024
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18. Bending Behavior of Cylindrical Web Panels
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Charles G. Culver, Darryl K. Brogan, and Clive L. Dym
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Engineering ,Mathematical model ,business.industry ,Plane (geometry) ,Computer Science::Information Retrieval ,General Engineering ,Structural engineering ,Bending ,Curvature ,Computer Science::Digital Libraries ,Stress (mechanics) ,Girder ,Arch ,business ,Moment distribution method - Abstract
The stress distribution in cylindrical web panels of horizontally curved girders subjected to an applied moment is studied analytically. Both the membrane state of stress in the plane of the web and the web bending stresses resulting from the curvature of the panel are considered. A simplified mathematical model which treats the web as a series of curved strips (arches) is used. Solutions for this model are obtained using the Rayleigh-Ritz method. The influence of curvature on the resulting stresses in curved webs is presented. Recommendations for the allowable bending stresses in curved beams expressed in terms of the web depth-to-thickness ratio as well as limiting web slenderness ratios are established.
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- 1972
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19. Depot Charging Schedule Optimization for Medium- and Heavy-Duty Battery-Electric Trucks.
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Song, Shuhan, Qiu, Yin, Coates, Robyn Leigh, Dobbelaere, Cristina Maria, and Seles, Paige
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MACHINE learning ,ENERGY demand management ,HEAVY duty trucks ,INFRASTRUCTURE (Economics) ,ENERGY industries ,ELECTRIC trucks - Abstract
Charge management, which lowers charging costs for fleets and prevents straining the electrical grid, is critical to the successful deployment of medium- and heavy-duty battery-electric trucks (MHD BETs). This study introduces an energy demand and cost management framework that optimizes depot charging for MHD BETs by combining an energy consumption machine learning model and a linear program optimization model. The framework considers key factors impacting real-world MHD BET operations, including vehicle and charger configurations, duty cycles, use cases, geographic and climate conditions, operation schedules, and utilities' time-of-use (TOU) rates and demand charges. The framework was applied to a hypothetical fleet of 100 MHD BETs in California under three different utilities for 365 days, with results compared to unmanaged charging. The optimized charging solution avoided more than 90% of on-peak charging, reduced fleet charging peak load by 64–75%, and lowered fleet energy variable costs by 54–64%. This study concluded that the proposed charge management framework significantly reduces energy costs and peak loads for MHD BET fleets while making recommendations for fleet electrification infrastructure planning and the design of utility TOU rates and demand charges. [ABSTRACT FROM AUTHOR]
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- 2024
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20. Information engagement to garner public support: TTPs from World War II.
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Farren, K. Brogan and Farren, K. Brogan
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There are many critics who have concluded that the US Government has not successfully conducted communication with its public during the current, persistent conflict, but perhaps one of the earliest was Ted Koppel. In 2001, responding to a question from Martin Kalbas to how successful the government is in conveying its message to the American people, Koppel said, "Not very good at all." More recently [2007], Secretary of Defense Robert Gates said, "it is just plain embarrassing that al-Qaeda is better at communicating its message on the internet than America." In the current conflict against violent extremists and in the pursuit of an acceptable end state in Iraq and Afghanistan-Pakistan, lessons can be learned from the information engagement (IE) operations of World War II (WWII) and applied today to better garner the support of our citizens at home. The fight for hearts and minds does not begin at the water's edge. Our enemies seek to undermine domestic support for our military actions abroad, so we must counter their efforts as part of our strategic communication (SC) campaign. Public Support for WWII was significant, widespread, and persisted. That level of public support contributed to the success of the war. Because a government for the people and by the people requires their support in its endeavors, looking at successful public affairs campaigns might uncover tactics, techniques and procedures (TTP) suitable to the current persistent conflict. The legal status of a declared war versus a conflict has a direct impact on the type of information, persuasion and propaganda that can be delivered to the American Public and is vastly different. There are some TTPs that are valid in today's information environment such as embedded media and other efforts to provide transparency in message and our use of the language of the enemy to avoid the mistake of using enemy rhetoric to unwittingly advance the enemy cause. The window of opportunity to change our Information Eng
21. Implementing Inpatient Social Needs Screening in an Urban Tertiary Care Children's Hospital.
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Islam, Fahmida, Fiori, Kevin P., Rinke, Michael L., Acholonu, Rhonda, Luke, Michael J., Cabrera, Keven I., Chandhoke, Swati, Friedland, Sarah E., McKenna, Kevin J., Braganza, Sandra F., and Philips, Kaitlyn
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- 2024
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22. Remote ischemic preconditioning and cognitive dysfunction following coronary artery bypass grafting: A systematic review and meta-analysis of randomized controlled trials.
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SIBURIAN, REYNOLD, FADILLAH, RIZKI, ALTOBAISHAT, OBIEDA, UMAR, TUNGKI PRATAMA, DILAWAR, ISMAIL, and NUGROHO, DIMAS TRI
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CORONARY artery bypass ,ISCHEMIC preconditioning ,COGNITION disorders ,CARDIOPULMONARY bypass ,RANDOMIZED controlled trials ,COGNITIVE testing - Abstract
Introduction: Postoperative cognitive dysfunction (POCD) is a common neurological issue following cardiopulmonary bypass (CPB)-assisted heart surgery. Remote ischemic preconditioning (RIPC) increases the tolerance of vital organs to ischemia/reperfusion injury, leading to reduced brain injury biomarkers and improved cognitive control. However, the exact mechanisms underlying RIPC's neuroprotective effects remain unclear. This systematic review aimed to explore the hypothesis that RIPC lowers neurocognitive dysfunction in patients undergoing CPB surgery. Method: All relevant studies were searched in PubMed, ScienceDirect, EBSCOhost, Google Scholar, Semantic Scholar, Scopus, and Cochrane Library database. Assessment of study quality was carried out by two independent reviewers individually using the Cochrane Risk of Bias (RoB-2) tool. Meta-analysis was performed using a fixed-effect model due to low heterogeneity among studies, except for those with substantial heterogeneity. Results: A total of five studies with 1,843 participants were included in the meta-analysis. RIPC was not associated with reduced incidence of postoperative cognitive dysfunction (five RCTs, odds ratio [OR: ] 0.79, 95% confidence interval [CI]: 0.56-1.11) nor its improvement (three RCTs, OR: 0.80, 95% CI: 0.50-1.27). In addition, the analysis of the effect of RIPC on specific cognitive function tests found that pooled SMD for RAVLT 1-3 and RAVLT LT were -0.07 (95% CI: -0.25,012) and -0.04 (95% CI: -0.25-0.12), respectively, and for VFT semantic and phonetic were -0.15 (95% CI: -0.33-0.04) and 0.11 (95% CI: -0.40-0.62), respectively. Conclusion: The effect of RIPC on cognitive performance in CABG patients remained insignificant. Results from previous studies were unable to justify the use of RIPC as a neuroprotective agent in CABG patients. [ABSTRACT FROM AUTHOR]
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- 2024
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23. Rotational Spectrum and First Interstellar Detection of 2-methoxyethanol Using ALMA Observations of NGC 6334I
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Fried, Zachary T. P., El-Abd, Samer J., Hays, Brian M., Wenzel, Gabi, Byrne, Alex N., Margulès, Laurent, Motiyenko, Roman A., Shipman, Steven T., Horne, Maria P., Jørgensen, Jes K., Brogan, Crystal L., Hunter, Todd R., Remijan, Anthony J., Lipnicky, Andrew, Loomis, Ryan A., McGuire, Brett A., Fried, Zachary T. P., El-Abd, Samer J., Hays, Brian M., Wenzel, Gabi, Byrne, Alex N., Margulès, Laurent, Motiyenko, Roman A., Shipman, Steven T., Horne, Maria P., Jørgensen, Jes K., Brogan, Crystal L., Hunter, Todd R., Remijan, Anthony J., Lipnicky, Andrew, Loomis, Ryan A., and McGuire, Brett A.
- Abstract
We use both chirped-pulse Fourier transform and frequency-modulated absorption spectroscopy to study the rotational spectrum of 2-methoxyethanol (CH3OCH2CH2OH) in several frequency regions ranging from 8.7 to 500 GHz. The resulting rotational parameters permitted a search for this molecule in Atacama Large Millimeter/submillimeter Array (ALMA) observations toward the massive protocluster NGC 6334I, as well as source B of the low-mass protostellar system IRAS 16293−2422. A total of 25 rotational transitions are observed in the ALMA Band 4 data toward NGC 6334I, resulting in the first interstellar detection of 2-methoxyethanol. A column density of cm−2 is derived at an excitation temperature of K. However, molecular signal is not observed in the Band 7 data toward IRAS 16293−2422B, and an upper-limit column density of 2.5 × 1015 cm−2 is determined. Various possible formation pathways—including radical recombination and insertion reactions—are discussed. We also investigate physical differences between the two interstellar sources that could result in the observed abundance variations.
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- 2024
24. Ucp1 Ablation Improves Skeletal Muscle Glycolytic Function in Aging Mice.
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Qiu J, Guo Y, Guo X, Liu Z, Li Z, Zhang J, Cao Y, Li J, Yu S, Xu S, Chen J, Wang D, Yu J, Guo M, Zhou W, Wang S, Wang Y, Ma X, Xie C, and Xu L
- Abstract
Muscular atrophy is among the systematic decline in organ functions in aging, while defective thermogenic fat functionality precedes these anomalies. The potential crosstalk between adipose tissue and muscle during aging is poorly understood. In this study, it is showed that UCP1 knockout (KO) mice characterized deteriorated brown adipose tissue (BAT) function in aging, yet their glucose homeostasis is sustained and energy expenditure is increased, possibly compensated by improved inguinal adipose tissue (iWAT) and muscle functionality compared to age-matched WT mice. To understand the potential crosstalk, RNA-seq and metabolomic analysis were performed on adipose tissue and muscle in aging mice and revealed that creatine levels are increased both in iWAT and muscle of UCP1 KO mice. Interestingly, molecular analysis and metabolite tracing revealed that creatine biosynthesis is increased in iWAT while creatine uptake is increased in muscle in UCP1 KO mice, suggesting creatine transportation from iWAT to muscle. Importantly, creatine analog β-GPA abolished the differences in muscle functions between aging WT and UCP1 KO mice, while UCP1 inhibitor α-CD improved muscle glycolytic function and glucose metabolism in aging mice. Overall, these results suggested that iWAT and skeletal muscle compensate for declined BAT function during aging via creatine metabolism to sustain metabolic homeostasis., (© 2024 The Author(s). Advanced Science published by Wiley‐VCH GmbH.)
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- 2024
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25. A brief history of primate research in the Ndoki forest.
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Morgan D, Malonga R, Agnagna M, Onononga JR, Yako V, Mokoko Ikonga J, Stokes EJ, Eyana Ayina C, Funkhouser JA, Judson K, Villioth J, Nishihara T, and Sanz C
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- Congo, Conservation of Natural Resources, Community Participation, Animals, History, 20th Century, History, 21st Century, Primates, Research history, Forests, Parks, Recreational
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The Nouabalé-Ndoki National Park (NNNP) in Republic of Congo has become a beacon for conservation in Central Africa. This manuscript documents the arrival of primatologists, the establishment of field stations and major discoveries in primate behavior and ecology. Field stations were strategically established to study primate behavior in a variety of different contexts from stationary platforms to forest follows of habituated groups. The implementation of new technologies and analyses have also been a hallmark of research at Ndoki. Scientists are shaping a new era in primatology at NNNP by building on past successes and promoting the next generation of Congolese conservationists to address environmental challenges. Results have proven crucial in discussions with government and industry and led to conservation gains such as the inclusion of the intact forests of the Goualougo and Djéké Triangles into the NNNP. The research stations have also become essential for developing a long-term certified sustainable international gorilla tourism program. Despite the many advancements for conservation such as increased protection of forests, development of internationally recognized protocols and large-scale capacity building initiatives, there are reasons for considerable concern in the near- and long-term for primates and their forest habitats in the Ndoki landscape. To address these concerns, we emphasize the long history of forming partnerships with local communities. We also discuss shared overlap featuring multicultural and environmental use of forest resources that is likely to be crucial in championing the conservation of the Ndoki forests for the next 25 years and beyond., (© 2024. The Author(s), under exclusive licence to Japan Monkey Centre.)
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- 2024
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26. Novel and potential future therapeutic options in systemic autoimmune diseases.
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Balogh, Lili, Oláh, Katalin, Sánta, Soma, Majerhoffer, Nóra, and Németh, Tamás
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AUTOIMMUNE diseases ,SYSTEMIC lupus erythematosus ,ANTIRHEUMATIC agents ,RHEUMATOID arthritis ,SYSTEMIC scleroderma ,DRUG therapy - Abstract
Autoimmune inflammation is caused by the loss of tolerance to specific self-antigens and can result in organ-specific or systemic disorders. Systemic autoimmune diseases affect a significant portion of the population with an increasing rate of incidence, which means that is essential to have effective therapies to control these chronic disorders. Unfortunately, several patients with systemic autoimmune diseases do not respond at all or just partially respond to available conventional synthetic disease-modifying antirheumatic drugs and targeted therapies. However, during the past few years, some new medications have been approved and can be used in real-life clinical settings. Meanwhile, several new candidates appeared and can offer promising novel treatment options in the future. Here, we summarize the newly available medications and the most encouraging drug candidates in the treatment of systemic lupus erythematosus, rheumatoid arthritis, Sjögren's disease, systemic sclerosis, systemic vasculitis, and autoimmune myositis. [ABSTRACT FROM AUTHOR]
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- 2024
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27. Collecting behavioral evidence from a highly mobile and seasonal population: A protocol for a survey on quad bike injuries.
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Menon, Preetha, El-Sadig, Mohamed, Albastaki, Marwan F., Alzaabi, Humaid, Alhammadi, Saleh, Almehrzi, Mansour, Aljanaahi, Hamed, Al-Rifai, Rami H., Masuadi, Emad M., and Grivna, Michal
- Subjects
DEMOGRAPHIC surveys ,AMBULANCES ,CYCLING ,CYCLISTS ,BICYCLES ,SEASONS ,TRAFFIC accidents - Abstract
Background: Quad bikes are popular recreational, four-wheeled bikes in the Middle East. Injury prevention programs targeting quad bike crashes in the United Arab Emirates (UAE) need evidence about the risk factors and behaviours associated with these crashes in the target population. This is a protocol for a study aiming to investigate quad bike rider behaviours and to assess the risk factors associated with related injuries in the UAE. Methods: This is a cross-sectional observational study aiming to describe a seasonal sport in a desert environment. With an estimated sample size of 451, the survey will follow a three-stage, location-based sampling strategy using the line-transect method. A sampling frame of desert locations with high injury incidences was developed, using Dubai ambulance injury records. Further expansion of the sampling frame was participatory, involving police, enthusiasts, emergency responders and gas station employees. The data collection will be limited to the winter months in fifteen high-injury desert locations across three major Emirates in the UAE. Trained researchers will observe the riders directly in the desert to note their riding habits, followed by a researcher-administered interview on riding and injury history. The interviews will be administered in Arabic and English using Qualtrics software on handheld tablets with offline and online entry mode. In addition, paper-based entry with the same format will be used as a contingency in busy quad bike locations. Conclusion: The objective of this study protocol is to develop a comprehensive survey that will furnish substantial evidence for the formulation of effective injury prevention strategies. To enhance the credibility of the recorded riding behaviors, field observations will be employed. The uniqueness of this study lies in its innovative sampling strategy, custom-tailored to accommodate the highly mobile and transient population of desert bikers in the UAE. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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28. Focused Update on Intracranial Atherosclerosis: Introduction, Highlights, and Knowledge Gaps.
- Author
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Hoh, Brian L. and Chimowitz, Marc I.
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- 2024
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29. Randomized Secondary Prevention Trials in Participants With Symptomatic Intracranial Atherosclerotic Stenosis.
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Dunn, Lauren E., Yan Wang, Kass-Hout, Tareq, and Chiu, David
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- 2024
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30. Topical Chinese Herbal Medicine Treatment of a Non-healing Leg Wound in a Horse: A Case Report.
- Author
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Zhiyi Shen, Miao Wang, and Wuren Ma
- Subjects
HORSES' injuries ,CHINESE medicine ,ERYTHROMYCIN ,WOUND healing ,INTRAMUSCULAR injections - Abstract
Wound care in horses, particularly chronic non-healing lesions, pose a major medical challenge for equine practitioners and can result in considerable financial loss as well as missed training goals for owners. The lower equine limb is particularly susceptible to damage due to the lack of protective muscling and superficial synovial and tendinous structures. This paper presents the treatment of a non-healing distal leg wound in a horse by topical application of a Chinese herbal medicine decoction using a traditional Chinese veterinary medicine (TCVM) approach. The patient had sustained damage to the palmar aspect of the flexor tendons on the left thoracic limb caused by jumping off a transport vehicle. This injury was initially treated by cleaning the area, topical erythromycin antibiotic ointment and intramuscular injection of penicillin for 3 days. Over a 2-month period the initial trauma progressed to a chronic non-healing wound. Medical management of the wound was then changed to topical application of a Chinese herbal decoction which was applied 3 times daily. Over a 29-day period, this treatment encouraged normalization of the wound healing process with epithelization, tissue remodeling and normal scar formation. The clinical results achieved in this horse suggest topical treatment with Chinese herbal medicine can decrease complications and speed the healing process of chronic wounds. The use of the topical herbal formula in this case was convenient, simple to use, and cost effective. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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31. Rheumatological complaints in H syndrome: from inflammatory profiling to target treatment in a case study.
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Tesser, Alessandra, Valencic, Erica, Boz, Valentina, Tornese, Gianluca, Pastore, Serena, Zanatta, Manuela, and Tommasini, Alberto
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ACUTE phase proteins ,GROWTH disorders ,SENSORINEURAL hearing loss ,SYMPTOMS ,KNEE muscles - Abstract
Background: H Syndrome is a rare genetic condition caused by biallelic pathogenic variants in the SLC29A3 gene. It is characterized by a wide range of clinical manifestations, many of which are related to the immune-rheumatological field. These include scleroderma-like skin changes, deforming arthritis, and enlarged lymph nodes. The condition also features cardiac and endocrine defects, as well as hearing loss, for which the immune pathogenesis appears less clear. Immunomodulatory medications have been shown to improve many symptoms in recent experiences. Case presentation: A 21-year-old girl was referred to our institute after being diagnosed with H syndrome. Her medical history was characterized by the development of finger and toe deformities, which developed since the first years of life and progressively worsened with clinodactyly. At 6 years of age, she was diagnosed with diabetes mellitus without typical autoantibodies and with bilateral sensorineural hearing loss. She also complained of frequent episodes of lymphadenopathy, sometimes with colliquation and growth retardation due to pancreatic insufficiency. It wasn't until the genetic diagnosis of H syndrome that the continual increase in acute phase reactants was noticed, suggesting that an immunological pathogenesis may be the source of her problems. During her visit to our institute, she reported serious pain in both feet and hands and difficulty walking due to knee arthritis and muscle contractures. Conventional therapy with steroid injection in affected joints and methotrexate only led to partial improvement. After a thorough assessment of her inflammatory profile showing a high interferon score, the girl received treatment with baricitinib. Furthermore, based on recent data showing that SLC29A3 deficiency results in interferon production because of Toll-like Receptor 7 activation in lysosomes, hydroxychloroquine was also added. The combination of the two drugs resulted for the first time in a rapid and persistent normalization of inflammatory markers, paralleled by a dramatic improvement in symptoms. Conclusions: We describe the results of inhibiting IFN inflammation in H syndrome and discuss how JAK inhibitors and antimalarials might represent a mechanistically based treatment for this orphan drug disorder. [ABSTRACT FROM AUTHOR]
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- 2024
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32. Leveraging a time-series event separation method to untangle time-varying hydrologic controls influence on wildfire disturbed streamflow.
- Author
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Canham, Haley A., Lane, Belize A., Phillips, Colin B., and Murphy, Brendan P.
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WILDFIRES ,STREAMFLOW ,WILDFIRE prevention ,WATERSHED management ,RAINSTORMS ,WATERSHEDS ,RUNOFF - Abstract
Watershed disturbances can have broad, long-lasting impacts that result in a range of streamflow response. Increasing disturbance regimes, particularly from wildfire, is a growing concern for watershed management. The influence of watershed disturbances on rainfall-runoff patterns has proved challenging to isolate from undisturbed streamflow variability due to the role of hydrologic controls that vary through time, including water year type, seasonality, and antecedent precipitation. To better assess the influence of watershed disturbance on rainfall-runoff event patterns we developed the Rainfall-Runoff Event Detection and Identification (RREDI) toolkit. The RREDI toolkit is a novel time-series event separation method that automates the pairing and attribution of precipitation and streamflow events, leveraging and building on existing event separation methods. A rainfall-runoff event dataset of 5042 events was generated by the RREDI toolkit from a collection of nine western US study watersheds spanning a range of streamflow regimes, watershed properties, and burn characteristics. Through analyzing the rainfall-runoff event dataset, we found that water year type and season were significant controls on rainfall-runoff metrics. The significance of antecedent precipitation was variable between watersheds, indicating a more complex relationship for this control. The watershed-specific permutations of significant controls resulted in unique significant condition group trends in the rainfall storm depth and peak runoff relationship in two contrasting watersheds. In general, for each of the significant condition groups post-fire peak runoff was higher than undisturbed peak runoff except during winter in snow-dominated watersheds. Consideration of the time-varying hydrologic controls, particularly water year type and season, were identified as important when untangling the influence of wildfire on the rainfall-runoff patterns. The RREDI toolkit can be further applied to investigate the influence of other watershed disturbances and controls to increase understanding of rainfall-runoff patterns across the landscape. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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33. Acute Kidney Injury Among COVID-19-Positive Patients Is Associated With Higher Mortality: A Single-Center Experience.
- Author
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Al Otaibi, Torki, Nagib, Ayman, Nair, Prasad, Halim, Medhat A., Khaled, Mahmoud, Hammad, Mohamed A., Mahmoud, Tarek S., Sobhy, Islam, Zakaria, Zakaria, Atta, Ahmed, Deraz, Ahmed, Mostafa, Ahmed, Abuelmagd, Mohamed, Shaker, Mohamed, Alserwy, Nabil, Fyyad, Zoheer, Rida, Suzann, Aboatya, Hasaneen, Adel, Mohamed, and Balaha, Mohamed
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- 2024
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34. Improving Diversity in Cancer Trials: The Role of the Nurse Navigator.
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Michaels, Margo and Szumita, Leah
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OCCUPATIONAL roles ,CLINICAL trials ,PATIENT participation ,MINORITIES ,PATIENT selection ,MEDICAL mistrust ,CULTURAL pluralism ,EARLY detection of cancer ,PATIENT-centered care ,RACE ,NURSES ,PATIENT education ,SOCIODEMOGRAPHIC factors ,INSURANCE - Published
- 2024
35. Students’ Perception of Servant Leadership by Physical Therapy Faculty Mentors Is Associated With Interprofessional Socialization.
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Willis, Brad W.
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- 2023
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36. STING-Associated Vasculopathy with Onset in Infancy: A Review Focusing on Pathophysiology and Treatment Options.
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Drougkas, Konstantinos, Smerla, Roubini, Skarlis, Charalampos, and Mavragani, Clio P.
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INTERFERONS ,INFLAMMATION ,GENETIC mutation ,IMMUNOSUPPRESSIVE agents ,PATHOLOGICAL physiology - Abstract
STING-associated vasculopathy with onset in infancy (SAVI) is a rare type Ι interferonopathy caused by gain of function mutations in an encoding stimulator of interferon genes (STING) protein 1. SAVI is characterized by neonatal or infantile-onset systemic inflammation, mainly affecting peripheral cutaneous blood vessels, skin, and lungs. The main disease manifestations include recurrent febrile episodes, cough, dyspnea, and failure to thrive, in association with progressive interstitial lung disease, polyarthritis, and cold-induced red violet plaques or papules on fingers, knees, toes, heels, nasal tip, and ears that can lead to distal ulcerations, skin necrosis, tissue loss, and autoamputation. For the management of SAVI, JAK inhibitors can be a valuable therapeutic intervention that hampers disease progression, while conventional immunosuppressive treatments have shown minimal efficacy. This review aims to describe the underlying pathophysiologic mechanisms of SAVI, highlighting the main clinical manifestations and discussing the current treatment approaches. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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- View/download PDF
37. Motivational interviewing for the management of child and adolescent obesity: a systematic literature review.
- Author
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Lutaud, Romain, Mitilian, Eva, Forte, Jenny, Gentile, Gaetan, Reynaud, Rachel, Truffet, Camille, and Bellanger, Thibault
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EVALUATION of medical care ,ONLINE information services ,MEDICAL databases ,CHILDHOOD obesity ,MOTIVATIONAL interviewing ,ANTHROPOMETRY ,PATIENT-centered care ,DESCRIPTIVE statistics ,HEALTH behavior ,MEDICAL referrals ,QUALITY of life ,MENTAL depression ,RESEARCH funding ,DATA analysis software ,MEDLINE ,CHILDREN - Abstract
Background: Among children or adolescents with obesity, 40-70.5% will remain obese as adults according to their paediatric body mass index (BMI). The recommended management involves changes in their nutritional habits (diet, physical activity, and sedentary lifestyle). Motivational interviewing (MI), a patient-centred consultation, has proven its worth in many fields where acting on behaviours is essential. Aim: To investigate the use and outcomes of MI in the management of children and adolescents who are overweight and obese. Design & setting: A systematic review evaluated MI in the management of children and adolescents who are overweight and obese. Method: PubMed, Web of Science, Cochrane Library, and CISMeF were searched between January 2022 and March 2022 for following terms: 'motivational interviewing', 'overweight or obesity', 'children or adolescent' to identify randomised controlled trials (RCTs). Inclusion criteria were interventions involving MI in children or adolescents who were commonly (polygenically) overweight or obese. Exclusion criteria were: studies before 1991; and articles not written in English or French. The first stage of the selection process was carried out by reading the titles and abstracts. A second stage was carried out by reading the complete studies. A secondary inclusion of articles was carried out following the reading of bibliographic references, mainly from systematic reviews and meta-analyses. The data were summarised in synthetic tables based on the Population, Intervention, Comparison, Outcomes, and Study (PICOS) tool. Results: From 444 articles the review identified 26 RCTs. Statistically significant results were found for all criteria (anthropometric and behavourial) in both children and adolescents. Quality of life and depression scores were also improved. Parental presence in the interview appeared to be essential for children, whereas for adolescents, the supportive involvement of parents outside of the interviews seemed more appropriate. The frequency and duration of the interventions played a major role in obtaining results, as did the number of people involved, and the diversity of the places where they are taken care of. Conclusion: MI seems promising for children and adolescents with overweight or obesity, within the framework of a comprehensive, multiprofessional, family management, carried out over a long period with regular consultations. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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38. Lupus Nephritis in Children: Novel Perspectives.
- Author
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Pennesi, Marco and Benvenuto, Simone
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LUPUS nephritis ,SYSTEMIC lupus erythematosus ,THERAPEUTICS - Abstract
Childhood-onset systemic lupus erythematosus is an inflammatory and autoimmune condition characterized by heterogeneous multisystem involvement and a chronic course with unpredictable flares. Kidney involvement, commonly called lupus nephritis, mainly presents with immune complex-mediated glomerulonephritis and is more frequent and severe in adults. Despite a considerable improvement in long-term renal prognosis, children and adolescents with lupus nephritis still experience significant morbidity and mortality. Moreover, current literature often lacks pediatric-specific data, leading clinicians to rely exclusively on adult therapeutic approaches. This review aims to describe pediatric lupus nephritis and provide an overview of the novel perspectives on the pathogenetic mechanisms, histopathological classification, therapeutic approach, novel biomarkers, and follow-up targets in children and adolescents with lupus nephritis. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
39. Early renal replacement therapy in coronavirus disease 2019-infected patients with acute kidney injury: does it improve the outcome?
- Author
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Ahmed, Islam, Abdelkareem, Ayman, Hassan, Ahmed, Refaie, Bahaa, Abdelal, Khalid, and Taha, Elhaisam
- Subjects
ACUTE kidney failure ,KIDNEY diseases ,CORONAVIRUS diseases ,KIDNEY transplantation ,VIRAL transmission - Abstract
Background Acute kidney injury (AKI) is developing as a frequent and significant coronavirus illness [coronavirus disease 2019 (COVID-19)] sequela owing to the spread of the virus in 2019. A few trials, meanwhile, have focused on AKI managed with renal replacement therapy (AKI-RRT). Aim To evaluate the effectiveness of early renal replacement treatment in COVID-19 AKI cases. Patients and methods A total of 100 individuals with AKI and confirmed COVID-19 infection participated in this case–control research. All participants were split into two groups: group A included 50 COVID-19-confirmed diagnosis patients with AKI and group B included 50 COVID-19-confirmed diagnosis patients without AKI. Following ICU admission, we collected laboratory results, physiological parameters, drugs, therapies, and organ support (including RRT), as well as clinical events like mortality. Results Use of invasive ventilation, vasopressor, deep sedation, and RRT was significantly higher in group A. When compared with patients with AKI who did not get RRT, 14 (28%) patients who had RRT were younger, had greater creatinine and blood urea nitrogen levels, and experienced oliguria more often. Five patients had at least one session of intermittent hemodialysis, and all patients experienced continuous venovenous hemofiltration. Considering mortality, hospital mortality and 60-day mortality rate were significantly higher in group A. However, there was no substantial variation between the two groups regarding ICU mortality, 28-day mortality, and RRT mortality. Age, baseline creatinine, and effective RRT were the independent predictors linked to 60-day mortality in the multiple logistic regression analysis. Conclusion Patients with AKI who need RRT had a nonsignificantly higher death rate than COVID-19-infected patients without AKI. Age, initial creatinine, and RRT effectiveness were all independent variables linked to 60-day mortality. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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40. STING-associated vasculopathy with onset in infancy (SAVI) presenting with skin lesions.
- Author
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Latour-Álvarez I, Murcia-Clemente L, Vázquez Pigueiras I, Garramone-Ramírez JE, Clemente D, Sanz V, and Torrelo A
- Subjects
- Child, Female, Humans, Gain of Function Mutation, Membrane Proteins genetics, Skin pathology
- Abstract
STING-associated vasculopathy with onset in infancy (SAVI) is caused by pathogenic gain-of-function variants in the gene TMEM173 (also named stimulator of interferon genes, STING1). This report details the case of an 11-year-old girl with SAVI who presented with skin-limited symptoms and discusses the phenotype-genotype correlations of the TMEM173 variant present in our patient. Treatment of SAVI focuses on preventing the development or progression of organ damage by reducing systemic inflammation. We summarize the available treatments for this syndrome., (© 2024 Wiley Periodicals LLC.)
- Published
- 2024
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41. A pilot study of childhood-onset Takayasu arteritis using whole exome sequencing suggests oligogenic inheritance involving classical complement, collagen, and autoinflammatory pathways.
- Author
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Kabeerdoss J, Danda S, Srivastava P, Kerkhale R, Kumar TS, Goel R, and Danda D
- Subjects
- Humans, Female, Male, Child, Pilot Projects, Adolescent, Child, Preschool, India, Mutation, Adenosine Deaminase genetics, Complement System Proteins genetics, Genetic Predisposition to Disease, Intercellular Signaling Peptides and Proteins, Takayasu Arteritis genetics, Exome Sequencing
- Abstract
Takayasu arteritis (TA) is a chronic granulomatous inflammatory disease affecting the aorta and its branches. Paediatric TA (pTA) may present from 6 months after birth till the adolescent age group. Genetics and pathogenesis of pTA are not fully understood. Earlier studies reported monogenic mutation in NOD2, XIAP, and STAT1 genes in patients with pTA. TA, a relatively rare disease, is more common in geographical pockets, including India. We hypothesized that South Asian patients with pTA, namely, those of Indian subcontinent origin, may have clinically relevant and unique pathogenic variants involving one or more genes, especially those linked to genetically driven vasculitic illnesses, including autoinflammatory pathologies. Children with pTA fulfilling EULAR/PRINTO/PReS classification criteria and presenting with clinical symptoms to the Paediatric Rheumatology clinic of Christian Medical College, Vellore, were included. Blood samples were collected after getting informed consent from parents or guardians and assent forms from children. DNA was extracted from whole blood using the Qiagen DNA extraction kit. Initially, the common variant in Indian population, namely, ADA2 c.139G > A; p.Gly47Arg, was screened, followed by whole exome sequencing. Fourteen children were recruited for the study. Median age of patients was 11 years (4 months-14 years) with a male-to-female ratio of 4:10. Distribution of angiographic subsets by Numano's classification of included children were as follows: type 5 (n = 7), type 4 (n = 5), and type 3 (n = 2). We identified novel variants in ten different genes. This include variants in genes of classical complement pathway, namely, C2, C3, C6, C7, and C9, and other genes, namely, CYBA, SH3BP2, GUCY2C, CTC1, COL5A1, and NLPR3. Two of 14 patients have heterozygous pathogenic variants; this implies that combination of heterozygous variants in C3 and COL5A1 might lead to disease development, suggesting digenic inheritance. One patient has a homozygous variant in CYBA. None of the patients were identified to have ADA2 variants. Whole exome sequencing reveals combination of rare variants in genes C3, COL5A1, and CYBA associated with disease development in children with Takayasu Arteritis. Key Points • We identified novel variants in genes of classical complement pathway, namely, C2, C3, C6, C7, and C9, and other genes, namely, CYBA, SH3BP2, GUCY2C, CTC1, COL5A1, and NLPR3. • Two of 14 patients have heterozygous pathogenic variants in C3 and COL5A1; this may have implications in disease development, suggesting digenic inheritance. • One patient has homozygous variant in CYBA. • None of the patients were identified to have ADA2 variants., (© 2024. The Author(s), under exclusive licence to International League of Associations for Rheumatology (ILAR).)
- Published
- 2024
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42. Past, Present, and Future of Intracranial Atherosclerosis Treatment.
- Author
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de Havenon, Adam and Turan, Tanya N.
- Published
- 2024
- Full Text
- View/download PDF
43. Untangling the effects of seasonality and stream channel erosion on the runoff composition in a previously burned mountain catchment.
- Author
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Gieschen, Michael and Nelson, Peter
- Subjects
RIVER channels ,RUNOFF ,WATERSHEDS ,EROSION ,WATER table ,ELECTRIC conductivity - Abstract
Stream channel incision and deposition are common after wildfire, and after these geomorphic changes occur, they may impact runoff mechanisms and the composition of pre‐event and event water in runoff. To investigate this, we monitored discharge and electrical conductivity at six nested sites within a 15.5 km2 watershed in the northern Colorado Front Range that had burned several years prior, and then experienced large flooding and well‐documented and significant channel erosion and deposition in the following years. Over the study period, which occurs 3 years after the fire, and 2 years after the beginning of significant geomorphic changes, the watershed experienced seven precipitation events. For each hydrograph, we separate baseflow from runoff using a new method to characterize and account for the strong diurnal signal in the baseflow. Electrical conductivity is used as a tracer in a two‐component end‐member mixing analysis to separate the event hydrographs into event and pre‐event water. Correlation coefficients were computed between key variables of the hydrologic response (such as runoff ratio, volumes of event and pre‐event water) to storm and basin characteristics (including stream channel erosion/deposition, fraction of high/moderate burn severity, precipitation intensity and antecedent precipitation). The strength and significance of correlations was found to vary seasonally. In the early season, event and pre‐event volumes did not vary significantly with basin or storm characteristics. In the late season, antecedent precipitation correlated with a decrease in event runoff (R2 = 0.34) and total runoff (R2 = 0.40), increased precipitation intensity correlated with an increase in event runoff (R2 = 0.48) and local erosion correlated with an increase in pre‐event runoff (R2 = 0.60) and total runoff (R2 = 0.53). We hypothesize that the difference in correlations between early season and late season is due seasonal variations in the groundwater table gradient. These findings indicate that seasonality and postfire stream channel erosion influence the makeup of runoff response. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
44. Infantile Takayasu: clinical features and long-term outcome.
- Author
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Miller-Barmak, Adi, Sztajnbok, Flavio, Balik, Zeynep, Borzutzky, Arturo, Fogel, Leslie A, Goldzweig, Ofra, Ozen, Seza, and Aviel, Yonatan Butbul
- Subjects
RESEARCH ,RETROSPECTIVE studies ,ACQUISITION of data ,MONOCLONAL antibodies ,TAKAYASU arteritis ,COMPARATIVE studies ,SYMPTOMS ,MEDICAL records ,AGE factors in disease ,VASCULITIS ,DISEASE complications ,CHILDREN - Abstract
Objectives Takayasu arteritis (TAK) is a large-vessel vasculitis rarely reported in children and infants. Most articles on paediatric TAK have not focused on infants. We present the largest case series of infantile TAK, aiming to identify its demographic and clinical characteristics and compare them with existing data on older children. Methods We conducted an international multicentre retrospective cohort study. Epidemiological and clinical data were collected from patients' charts from six rheumatology centres. All patients met both the EULAR/PReS 2008 criteria and the 1990 ACR/EULAR criteria and were diagnosed with TAK at age <5 years. Results Twelve patients were included (50% female). Median age of symptom onset was 11 months, with a diagnostic delay of 4 months. The most common symptoms at presentation were hypertension, blood pressure differences between limbs, and fever. The most commonly involved arteries were the abdominal aorta and renal artery. Medications included steroids, conventional and biologic DMARDs, and other immunosuppressive therapies. Half of the patients received biologic agents, of which infliximab had the highest complete remission rate (40%). Other medications resulting in complete remission were CYC (40%) and MTX (38%). Invasive procedures were required for 58% of patients. The most common complications were cardiac (50%), stroke (42%), and serious infections (33%). No patients died. Conclusion This study presents the largest series of infantile TAK. Compared with other reported series on older children, infants with TAK have more severe disease and were more likely to receive biologic agents, develop complications, and require invasive interventions. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
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45. H syndrome treated with Tocilizumab: two case reports and literature review.
- Author
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Jacquot, Robin, Jouret, Maurine, Valentin, Mathieu Gerfaud, Richard, Maël, Jamilloux, Yvan, Rousset, Florent, Emile, Jean-François, Haroche, Julien, Steinmüller, Lars, Zekre, Franck, Phan, Alice, Belot, Alexandre, and Seve, Pascal
- Subjects
LITERATURE reviews ,TOE joint ,JOINTS (Anatomy) ,GENETIC disorders ,TOCILIZUMAB ,HALLUX valgus ,ARTHROGRYPOSIS - Abstract
H syndrome is a rare autosomal recessive genetic disorder characterized by the following clinical features: cutaneous hyperpigmentation, hypertrichosis, hepatosplenomegaly, heart anomalies, hearing loss, hypogonadism, short stature, hallux valgus, hyperglycemia, fixed flexion contractures of the toe joints, and the proximal interphalangeal joints. In rare cases, autoinflammatory and lymphoproliferative manifestations have also been reported. This disorder is due to loss-of-function mutations in SLC29A3 gene, which encode the equilibrative nucleoside transporter ENT3. This deficiency leads to abnormal function and proliferation of histiocytes. H syndrome is part of the R-group of histiocytosis. We report two different cases, one was diagnosed in adulthood and the other in childhood. The first case reported is a 37-year-old woman suffering from H syndrome with an autoinflammatory systemic disease that begins in adulthood (fever and diffuse organ's infiltration) and with cutaneous, articular, auditory, and endocrinological manifestations since childhood. The second case reported is a 2-year-old girl with autoinflammatory, endocrine, and cutaneous symptoms (fever, lymphadenopathy, organomegaly, growth delay, and cutaneous hyperpigmentation). Homozygous mutations in SLC29A3 confirmed the diagnosis of H syndrome in both cases. Each patient was treated with Tocilizumab with a significant improvement for lymphoproliferative, autoinflammatory, and cutaneous manifestations. Both cases were reported to show the multiple characteristics of this rare syndrome, which can be diagnosed either in childhood or in adulthood. In addition, an overview of the literature suggested Tocilizumab efficiency. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
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46. Safety and efficacy of remote ischemic conditioning in adult moyamoya disease patients undergoing revascularization surgery: a pilot study.
- Author
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Heng Yang, Zhenzhen Hu, Xinjie Gao, Jiabin Su, Hanqiang Jiang, Shaoxuan Yang, Qing Zhang, Wei Ni, and Yuxiang Gu
- Subjects
REVASCULARIZATION (Surgery) ,MOYAMOYA disease ,ISCHEMIC conditioning ,CEREBRAL circulation ,PILOT projects - Abstract
Background and purpose: Revascularization surgery for patients with moyamoya disease (MMD) is very complicated and has a high rate of postoperative complications. This pilot study aimed to prove the safety and efficacy of remote ischemic conditioning (RIC) in adult MMD patients undergoing revascularization surgery. Methods: A total of 44 patients with MMD were enrolled in this single-center, open-label, prospective, parallel randomized study, including 22 patients assigned to the sham group and 22 patients assigned to the RIC group. The primary outcome was the incidence of major neurologic complications during the perioperative period. Secondary outcomes were the modified Rankin Scale (mRS) score at discharge, at 90 days post-operation, and at 1 year after the operation. The outcome of safety was the incidence of adverse events associated with RIC. Blood samples were obtained to monitor the serum concentrations of cytokines (VEGF, IL-6). Results: No subjects experienced adverse events during RIC intervention, and all patients could tolerate the RIC intervention in the perioperative period. The incidence of major neurologic complications was significantly lower in the RIC group compared with the control group (18.2% vs. 54.5%, P = 0.027). The mRS score at discharge in the RIC group was also lower than the control group (0.86 ± 0.99 vs. 1.18 ± 1.22, P = 0.035). In addition, the serum IL-6 level increased significantly at 7 days after bypass surgery in the control group and the serum level of VEGF at 7 days post-operation in the RIC group. Conclusion: In conclusion, our study demonstrated the neuroprotective effect of RIC by reducing perioperative complications and improving cerebral blood flow in adult MMD patients undergoing revascularization surgery. Thus, RIC seems to be a potential treatment method for MMD. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
47. Motivational Interviewing in Pediatric Obesity: A Meta-analysis of the Effects on Behavioral Outcomes.
- Author
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Kao, Tsui-Sui A, Ling, Jiying, Vu, Christina, Hawn, Rachel, and Christodoulos, Harrietta
- Subjects
MOTIVATIONAL interviewing ,CHILDHOOD obesity ,SCREEN time ,SOFT drinks ,PHYSICAL activity ,CINAHL database - Abstract
Background Currently, the effects of motivational interviewing (MI) on children's behavioral changes remain obscure. Purpose This systematic review and meta-analysis examined the effects of MI on children's lifestyle behavioral changes (fruits and vegetables [F/V], dairy, sugary beverages, calories, snacks, fat intake, moderate vigorous physical activity [MVPA], and screen time). Methods Six databases (CINAHL, Cochrane, Embase, PsycINFO, PubMed, and Web of Sciences) from 2005 to 2022 were searched. Thirty-one intervention studies with a comparison group met the criteria. Random-effects models were performed to estimate the pooled effects; exploratory moderation analyses with mixed-effects models were used to explore potential intervention moderators. Results The pooled effect size was 0.10 (p =.334) on ↑F/V, 0.02 (p =.724) on ↑dairy, −0.29 (p <.001) on ↓calories, −0.16 (p =.054) on ↓sugary beverages, −0.22 (p =.002) on ↓snacks, −0.20 (p =.044) on ↓fat, 0.22 (p =.001) on ↑MVPA, and −0.06 (p =.176) on ↓screen time. The effects of MIs were moderated by ↑MI sessions regarding ↓snacks (B = −0.04, p =.010). Multicomponent and clinical programs had greater effects on dairy intake than their counterparts (0.09 vs. −0.21, p =.034; 0.12 vs. −0.14, p =.027, respectively). Similarly, interventions with a fidelity check resulted in greater dairy intake than those without a check (0.29 vs. −0.15, p =.014). A few long-term follow-up assessments revealed effects on ↓F/V (−0.18; p =.143, k = 2), ↓dairy (−0.13, p =.399, k = 4), ↓MVPA (−0.04; p =.611, k = 6), and ↑screen time (0.12; p =.242, k = 4). Conclusions Our findings support the short-term effects of MI on improving children's lifestyle behaviors. Additional investigations are needed to better sustain children's long-term behavioral changes. [ABSTRACT FROM AUTHOR]
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- 2023
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48. Advances in natural products and antibody drugs for SLE: new therapeutic ideas.
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Yibing Han, Lingwei Liu, Bo Zang, Ruiwen Liang, Xinyue Zhao, and Bin Liu
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NATURAL products ,B cells ,SYSTEMIC lupus erythematosus ,IMMUNOGLOBULINS ,DRUGS - Abstract
Systemic Lupus Erythematosus (SLE) is a chronic autoimmune systemic disease with a wide range of clinical symptoms, complex development processes, and uncertain prognosis. The clinical treatment of SLE is mainly based on hormones and immunosuppressants. Research on novel therapy strategies for SLE has flourished in recent years, especially the emergence of new targeted drugs and natural products that can modulate related symptoms. This review discusses the current experience including B-cell targeted drugs (belimumab, tabalumab, blisibimod, atacicept, rituximab, ofatumumab, ocrelizumab, obexelimab, and epratuzumab), T-cell targeted drugs (abatacept, dapirolizumab, and inhibitor of syk and CaMKIV), cytokines targeted drugs (anifrolumab and sifalimumab), and natural products (curcumin, oleuropein, punicalagin, sulforaphane, icariin, apigenin, and resveratrol). The aim of this paper is to combine the existing in vitro and in vivo models and clinical research results to summarize the efficacy and mechanism of natural drugs and targeted drugs in SLE for the reference and consideration of researchers. [ABSTRACT FROM AUTHOR]
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- 2023
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49. Association of IGF-1 Level with Low Bone Mass in Young Patients with Cushing's Disease.
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Sun, Wanwan, Sun, Quanya, Cui, Qiaoli, He, Min, Wu, Wei, Li, Yiming, Ye, Hongying, and Zhang, Shuo
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SOMATOMEDIN ,BIOMARKERS ,HYPERTENSION ,STATISTICS ,CUSHING'S syndrome ,CONFIDENCE intervals ,PHOTON absorptiometry ,SERUM ,TESTOSTERONE ,OSTEOCALCIN ,CHEMILUMINESCENCE assay ,MULTIPLE regression analysis ,RETROSPECTIVE studies ,FEMUR neck ,OSTEOPOROSIS ,RISK assessment ,SEX distribution ,PARATHYROID hormone ,T-test (Statistics) ,DISEASE duration ,CHI-squared test ,RESEARCH funding ,LUMBAR vertebrae ,BODY mass index ,DATA analysis ,STATISTICAL models ,ODDS ratio ,DATA analysis software ,BONE density ,HYDROCORTISONE ,DISEASE risk factors - Abstract
Purpose. Few related factors of low bone mass in Cushing's disease (CD) have been identified so far, and relevant sufficient powered studies in CD patients are rare. On account of the scarcity of data, we performed a well-powered study to identify related factors associated with low bone mass in young CD patients. Methods. This retrospective study included 153 CD patients (33 males and 120 females, under the age of 50 for men and premenopausal women). Bone mineral density (BMD) of the left hip and lumbar spine was measured by dual energy X-ray absorptiometry (DEXA). In this study, low bone mass was defined when the Z score was −2.0 or lower. Results. Among those CD patients, low bone mass occurred in 74 patients (48.37%). Compared to patients with normal BMD, those patients with low bone mass had a higher level of serum cortisol at midnight (22.31 (17.95-29.62) vs. 17.80 (13.75-22.77), p = 0.0006), testosterone in women (2.10 (1.33–2.89) vs. 1.54 (0.97–2.05), p = 0.0012), higher portion of male (32.43% vs. 11.54%, p = 0.0016) as well as hypertension (76.12% vs. 51.67%, p = 0.0075), and lower IGF-1 index (0.59 (0.43–0.76) vs. 0.79 (0.60–1.02), p = 0.0001). The Z score was positively associated with the IGF-1 index in both the lumbar spine (r = 0.35153, p < 0.0001) and the femoral neck (r = 0.24418, p = 0.0057). The Z score in the femoral neck was negatively associated with osteocalcin (r = −0.22744, p = 0.0229). Compared to the lowest tertile of the IGF-1 index (<0.5563), the patients with the highest tertile of the IGF-1 index (≥0.7993) had a lower prevalence of low bone mass (95% CI 0.02 (0.001–0.50), p = 0.0002), even after adjusting for confounders such as age, gender, duration, BMI, hypertension, serum cortisol at midnight, PTH, and osteocalcin. Conclusions. The higher IGF-1 index was independently associated with lower prevalence of low bone mass in young CD patients, and IGF-1 might play an important role in the pathogenesis of CD-caused low bone mass. [ABSTRACT FROM AUTHOR]
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- 2023
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50. Risk of Infections Secondary to the Use of Targeted Therapies in Hematological Malignancies.
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Andreescu, Mihaela
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HEMATOLOGIC malignancies ,BLOOD diseases ,CANCER cells ,PHYSICIANS ,INFECTION - Abstract
Concurrent infections in hematological malignancies (HM) are major contributors to adverse clinical outcomes, including prolonged hospitalization and reduced life expectancy. Individuals diagnosed with HM are particularly susceptible to infectious pathogens due to immunosuppression, which can either be inherent to the hematological disorder or induced by specific therapeutic strategies. Over the years, the treatment paradigm for HM has witnessed a tremendous shift, from broad-spectrum treatment approaches to more specific targeted therapies. At present, the therapeutic landscape of HM is constantly evolving due to the advent of novel targeted therapies and the enhanced utilization of these agents for treatment purposes. By initiating unique molecular pathways, these agents hinder the proliferation of malignant cells, consequently affecting innate and adaptive immunity, which increases the risk of infectious complications. Due to the complexity of novel targeted therapies and their associated risks of infection, it often becomes a daunting task for physicians to maintain updated knowledge in their clinical practice. The situation is further aggravated by the fact that most of the initial clinical trials on targeted therapies provide inadequate information to determine the associated risk of infection. In such a scenario, a cumulative body of evidence is paramount in guiding clinicians regarding the infectious complications that can arise following targeted therapies. In this review, I summarize the recent knowledge on infectious complications arising in the context of targeted therapies for HM. [ABSTRACT FROM AUTHOR]
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- 2023
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