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Gusdorf J, Markovitz NH, Ricketts C, Ono Y, Lam BD, Berry J, Dockterman J, Reddy S. Spontaneous Tumor Lysis Syndrome Secondary to Metastatic Pancreatic Adenocarcinoma. ACG Case Rep J 2024; 11:e01305. [PMID: 38560013 PMCID: PMC10977582 DOI: 10.14309/crj.0000000000001305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Accepted: 02/22/2024] [Indexed: 04/04/2024] Open
Abstract
Spontaneous tumor lysis syndrome (STLS) secondary to metastatic pancreatic adenocarcinoma is a rare clinical phenomenon. An 86-year-old woman with a history of pancreatic cysts presented to the emergency department with progressive fatigue, transaminitis, elevated lactate dehydrogenase, and acute kidney injury of unclear etiology. Abdominal imaging and celiac lymph node biopsy were consistent with metastatic pancreatic adenocarcinoma. Her clinical status deteriorated requiring intensive care unit transfer, and her laboratory results were found to be consistent with STLS. Despite treatment, she entered multisystem organ failure and died shortly after. This case adds to the literature of STLS in pancreatic adenocarcinomas.
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Affiliation(s)
- Jason Gusdorf
- Department of Internal Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
| | - Netana H. Markovitz
- Department of Internal Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
| | - Cleveland Ricketts
- Department of Pathology, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
| | - Yuho Ono
- Department of Pathology, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
| | - Barbara D. Lam
- Division of Hematology and Hematologic Malignancies, Department of Internal Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
| | - Jonathan Berry
- Division of Hematology and Hematologic Malignancies, Department of Internal Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
| | - Jacob Dockterman
- Department of Internal Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
| | - Sheela Reddy
- Division of Gastroenterology, Department of Internal Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
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Berry J, Hilts KE, Thoma L, Corelli RL, Stump TE, Monahan PO, Hudmon KS. Patient awareness, perceptions, and attitudes towards pharmacists prescribing tobacco cessation medications. Res Social Adm Pharm 2023; 19:1531-1542. [PMID: 37777388 PMCID: PMC10625477 DOI: 10.1016/j.sapharm.2023.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 08/08/2023] [Accepted: 08/08/2023] [Indexed: 10/02/2023]
Abstract
BACKGROUND Recent legislative advances now permit pharmacists to prescribe tobacco cessation medications in 17 states. While national initiatives are underway to prepare the pharmacy profession for this expanded role, patient perceptions of this role have not been explored. OBJECTIVE The objective of this study was to characterize patient perceptions, attitudes, and awareness of pharmacists prescribing for tobacco cessation medications. METHODS A cross-sectional survey of English and Spanish-speaking patients was conducted at 12 locations of a federally-qualified health center in Northwest Indiana. Survey measures assessed sociodemographics, tobacco use history and interest in quitting, prior interactions with pharmacists and awareness of pharmacists' ability to prescribe tobacco cessation medications, and perceptions of pharmacists assisting with cessation. The Theory of Planned Behavior (TPB) served as a framework for item development. Multivariable logistic regression was used for modeling. RESULTS A total of 2082 individuals (1878 English, 204 Spanish) completed the survey (42.4%). Among current users (n = 592; 28.4%), 46.2% had made a quit attempt in the past year, and 41.0% reported having used a tobacco cessation medication in the past. Over half (60.5%) of current users would be comfortable talking with a pharmacist about quitting, 31.9% intended to talk with a pharmacist about quitting, and 31.7% intended to ask a pharmacist to prescribe a medicine to help with quitting. In multivariable modeling, intention to (a) talk with a pharmacist about quitting and (b) ask a pharmacist to prescribe a medication were significantly associated with TPB constructs. Current tobacco users were receptive to pharmacist-facilitated assistance with quitting, including prescribing of tobacco cessation medications. CONCLUSIONS Patients' attitudes, subjective norms, and perceived behavioral control, from the Theory of Planned Behavior, were important predictors of intention to engage with pharmacists for quitting and intention to ask a pharmacist to prescribe a cessation medication.
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Affiliation(s)
- Jonathan Berry
- Pharmacy Department, HealthLinc, Valparaiso, IN, 46383, USA.
| | - Katy Ellis Hilts
- Department of Health Policy and Management, Richard M. Fairbanks School of Public Health, Indiana University, Indianapolis, IN 46202, USA.
| | - Lynn Thoma
- Department of Pharmacy Practice, College of Pharmacy, Purdue University, West Lafayette, IN, 47902, USA.
| | - Robin L Corelli
- Department of Clinical Pharmacy, School of Pharmacy, University of California-San Francisco, San Francisco, CA, 94143, USA.
| | - Timothy E Stump
- Department of Biostatistics and Health Data Science, School of Medicine, Indiana University, Indianapolis, IN, 46202, USA.
| | - Patrick O Monahan
- Department of Biostatistics and Health Data Science, School of Medicine, Indiana University, Indianapolis, IN, 46202, USA.
| | - Karen Suchanek Hudmon
- Department of Pharmacy Practice, College of Pharmacy, Purdue University, West Lafayette, IN, 47902, USA; Department of Clinical Pharmacy, School of Pharmacy, University of California-San Francisco, San Francisco, CA, 94143, USA.
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Chase ML, Drews R, Zumberg MS, Ellis LR, Reid EG, Gerds AT, Lee AI, Hobbs GS, Berry J, Freed JA. Consensus recommendations on peripheral blood smear review: defining curricular standards and fellow competency. Blood Adv 2023; 7:3244-3252. [PMID: 36930800 PMCID: PMC10336252 DOI: 10.1182/bloodadvances.2023009843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 03/03/2023] [Accepted: 03/03/2023] [Indexed: 03/19/2023] Open
Abstract
Graduate medical education training in hematology in North America is accredited by the Accreditation Council for Graduate Medical Education (ACGME). Trainees routinely review peripheral blood smears (PBS) in providing clinical care. Competency in PBS review at graduation is required by the ACGME. However, there are no consensus guidelines on best practices surrounding PBS review, education, or competency. We describe the generation of proposed theory and the consensus recommendations developed through a multi-institutional focus group, developed using constructivist grounded theory and a modified nominal group technique. Eight academic hematologists, spanning classical and malignant hematology, enrolled and participated in 2 one-hour focus groups. All routinely worked with fellows and half had formally instructed trainees on PBS interpretation. Focus group data were analyzed using mixed-methods techniques. Tenets of emerging theory were identified through inductive coding. Consensus recommendations (CR) were generated. Participants reviewed CR in an iterative fashion until consensus was reached. Strong consensus was reached on multiple aspects of PBS education. All agreed that trainees should learn PBS review through a systematic approach. Group discussion focused on disorders of red and white blood cells. The diagnoses of acute leukemia and thrombotic microangiopathies were most commonly discussed, with specific emphasis on disorders in which prompt recognition was required to avert significant patient morbidity. These CR offer external validity to future research and curricular development for both PBS review and other visuospatial tasks in medical education.
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Affiliation(s)
- Matthew L. Chase
- Division of Hematology and Hematologic Malignancies and Division of Medical Oncology, Beth Israel Deaconess Medical Center, Boston, MA
| | - Reed Drews
- Division of Hematology and Hematologic Malignancies, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Marc S. Zumberg
- Division of Hematology/Oncology, University of Florida, Gainesville, FL
| | - Leslie R. Ellis
- Section on Hematology and Oncology, Comprehensive Cancer Center of Atrium Health Wake Forest Baptist, Winston-Salem, NC
| | - Erin G. Reid
- Division of Hematology/Oncology, Moores Cancer Center, University of California San Diego, La Jolla, CA
| | - Aaron T. Gerds
- Cleveland Clinic Taussig Cancer Institute, Cleveland, OH
| | - Alfred I. Lee
- Division of Hematology, Yale University School of Medicine, New Haven, CT
| | - Gabriela S. Hobbs
- Department of Medical Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Jonathan Berry
- Division of Hematology and Hematologic Malignancies and Division of Medical Oncology, Beth Israel Deaconess Medical Center, Boston, MA
| | - Jason A. Freed
- Division of Hematology and Hematologic Malignancies, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
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Larnard J, Berry J, Majety P, Moeng L, Lille M, Lee MSL. Patients who report night sweats. BMJ 2023; 381:e073982. [PMID: 37197787 DOI: 10.1136/bmj-2022-073982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Affiliation(s)
- Jeffrey Larnard
- Division of Infectious Diseases, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Jonathan Berry
- Division of Hematology/Oncology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Priyanka Majety
- Division of Endocrinology, Diabetes, and Metabolism, Virginia Commonwealth University, Richmond, VA, USA
| | - Letumile Moeng
- Division of Infectious Diseases, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Marianne Lille
- Department of Nursing, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Matthew Shou Lun Lee
- Division of Infectious Diseases, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
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Berry J, Patell R, Zwicker JI. The bridging conundrum: perioperative management of direct oral anticoagulants for venous thromboembolism. J Thromb Haemost 2023; 21:780-786. [PMID: 36709100 PMCID: PMC11000626 DOI: 10.1016/j.jtha.2022.12.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/19/2022] [Accepted: 12/27/2022] [Indexed: 01/13/2023]
Abstract
Most patients diagnosed with venous thromboembolism (VTE) are currently treated with direct oral anticoagulants (DOACs). Before an invasive procedure or surgery, clinicians face the challenging decision of how to best manage DOACs. Should the DOAC be held, for how long, and are there instances where bridging with other anticoagulants should be considered? Although clinical trials indicate that most patients taking DOACs for atrial fibrillation do not require bridging anticoagulation, the optimal strategy for patients with a history of VTE is undefined. In this review, we present a case-based discussion for DOAC interruption perioperatively in patients receiving anticoagulation for management of VTE.
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Affiliation(s)
- Jonathan Berry
- Division of Hematology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA. https://twitter.com/jlberrymd
| | - Rushad Patell
- Division of Hematology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA. https://twitter.com/rushadpatell
| | - Jeffrey I Zwicker
- Department of Medicine, Hematology Service, Memorial Sloan Kettering Cancer Center, New York City, New York, USA.
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Hamid A, Yimer W, Oshunbade A, Khan MS, Kamimura D, Kipchumba RK, Pandey A, Clark D, Mentz R, Fox ER, Berry J, Stacey B, Shah A, Correa A, Virani SS, Butler J, Hall ME. Trajectory of high sensitivity c-reactive protein and incident heart failure in black adults: the jackson heart study. Am J Med Sci 2023. [DOI: 10.1016/s0002-9629(23)00630-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Berry J, Lindhorst TK, Despras G. Sulfur and Azobenzenes, a Profitable Liaison: Straightforward Synthesis of Photoswitchable Thioglycosides with Tunable Properties. Chemistry 2022; 28:e202200354. [PMID: 35537915 PMCID: PMC9401004 DOI: 10.1002/chem.202200354] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Indexed: 01/07/2023]
Abstract
Azobenzene photoswitches are valuable tools for controlling properties of molecular systems with light. We have been investigating azobenzene glycoconjugates to probe carbohydrate‐protein interactions and to design glycoazobenzene macrocycles with chiroptical and physicochemical properties modulated by light irradiation. To date, direct conjugation of glycosides to azobenzenes was performed by reactions providing target compounds in limited yields. We therefore sought a more effective and reliable coupling method. In this paper, we report on a straightforward thioarylation of azobenzene derivatives with glycosyl thiols as well as other thiols, thereby increasing the scope of azobenzene conjugation. Even challenging unsymmetrical conjugates can be achieved in good yields via sequential or one‐pot procedures. Importantly, red‐shifted azoswitches, which are addressed with visible light, were easily functionalized. Additionally, by oxidation of the sulfide bridge to the respective sulfones, both the photochromic and the thermal relaxation properties of the core azobenzene can be tuned. Utilizing this option, we realized orthogonal three‐state photoswitching in mixtures containing two distinct azobenzene thioglycosides.
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Affiliation(s)
- Jonathan Berry
- Otto Diels Institute of Organic Chemistry, Christiana Albertina University of Kiel, Otto-Hahn-Platz 3/4, 24118, Kiel, Germany
| | - Thisbe K Lindhorst
- Otto Diels Institute of Organic Chemistry, Christiana Albertina University of Kiel, Otto-Hahn-Platz 3/4, 24118, Kiel, Germany
| | - Guillaume Despras
- Otto Diels Institute of Organic Chemistry, Christiana Albertina University of Kiel, Otto-Hahn-Platz 3/4, 24118, Kiel, Germany.,Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Paul Sabatier, 118 route de Narbonne, 31062, Toulouse Cedex 9, France
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Eaton JW, Dwyer‐Lindgren L, Gutreuter S, O'Driscoll M, Stevens O, Bajaj S, Ashton R, Hill A, Russell E, Esra R, Dolan N, Anifowoshe YO, Woodbridge M, Fellows I, Glaubius R, Haeuser E, Okonek T, Stover J, Thomas ML, Wakefield J, Wolock TM, Berry J, Sabala T, Heard N, Delgado S, Jahn A, Kalua T, Chimpandule T, Auld A, Kim E, Payne D, Johnson LF, FitzJohn RG, Wanyeki I, Mahy MI, Shiraishi RW. Naomi: a new modelling tool for estimating HIV epidemic indicators at the district level in sub-Saharan Africa. J Int AIDS Soc 2021; 24 Suppl 5:e25788. [PMID: 34546657 PMCID: PMC8454682 DOI: 10.1002/jia2.25788] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 07/19/2021] [Indexed: 11/23/2022] Open
Abstract
INTRODUCTION HIV planning requires granular estimates for the number of people living with HIV (PLHIV), antiretroviral treatment (ART) coverage and unmet need, and new HIV infections by district, or equivalent subnational administrative level. We developed a Bayesian small-area estimation model, called Naomi, to estimate these quantities stratified by subnational administrative units, sex, and five-year age groups. METHODS Small-area regressions for HIV prevalence, ART coverage and HIV incidence were jointly calibrated using subnational household survey data on all three indicators, routine antenatal service delivery data on HIV prevalence and ART coverage among pregnant women, and service delivery data on the number of PLHIV receiving ART. Incidence was modelled by district-level HIV prevalence and ART coverage. Model outputs of counts and rates for each indicator were aggregated to multiple geographic and demographic stratifications of interest. The model was estimated in an empirical Bayes framework, furnishing probabilistic uncertainty ranges for all output indicators. Example results were presented using data from Malawi during 2016-2018. RESULTS Adult HIV prevalence in September 2018 ranged from 3.2% to 17.1% across Malawi's districts and was higher in southern districts and in metropolitan areas. ART coverage was more homogenous, ranging from 75% to 82%. The largest number of PLHIV was among ages 35 to 39 for both women and men, while the most untreated PLHIV were among ages 25 to 29 for women and 30 to 34 for men. Relative uncertainty was larger for the untreated PLHIV than the number on ART or total PLHIV. Among clients receiving ART at facilities in Lilongwe city, an estimated 71% (95% CI, 61% to 79%) resided in Lilongwe city, 20% (14% to 27%) in Lilongwe district outside the metropolis, and 9% (6% to 12%) in neighbouring Dowa district. Thirty-eight percent (26% to 50%) of Lilongwe rural residents and 39% (27% to 50%) of Dowa residents received treatment at facilities in Lilongwe city. CONCLUSIONS The Naomi model synthesizes multiple subnational data sources to furnish estimates of key indicators for HIV programme planning, resource allocation, and target setting. Further model development to meet evolving HIV policy priorities and programme need should be accompanied by continued strengthening and understanding of routine health system data.
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Felizardo T, Lum L, Ashmaig M, Mosquera Limas S, Zhu N, Bushera H, Glass D, Berry J, Korngold R, Donato M, Glass J, Munshi P, Rowley S, Fowler D. In vivo biologic activity of induced hybrid TREG/Th2 RAPA-501 cells for als therapy: correction of TSCM:TEMimbalance, normalization of IL-6 secretion, and reduction in serum NF-L levels. Cytotherapy 2021. [DOI: 10.1016/s146532492100431x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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10
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Berry J, Shores EA, Nardo T, Sedwell A, Lunn J, Marceau EM, Wesseling A, Zucco M, Sugden-Lingard S, Borchard T, Batchelor J. Brief executive-function assessment tool: A new cognitive impairment screening tool for alcohol and other drug services. Appl Neuropsychol Adult 2021; 29:1511-1521. [PMID: 33831338 DOI: 10.1080/23279095.2021.1895791] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Accurate screening for cognitive impairment in alcohol and other drug (AOD) services would help to identify individuals who may need supports to obtain the greatest benefit from substance use disorder (SUD) treatment. At present there is no screening measure that has been developed specifically to detect cognitive impairment in a SUD population. This study examines the psychometric properties of the Brief Executive-function Assessment Tool (BEAT), which was specifically designed for this purpose. This study involving 501 individuals with SUD and 145 normal control participants established internal consistency (n = 646; 0.734), interrater (n = 60; 0.994), and test-retest reliability (n = 177; 0.845), and construct (all correlations p ≤ 0.05), and criterion (n = 467; ANCOVA p < 0.001) validity. Test operating characteristics (n = 500; 87% sensitivity, 71% specificity, 21% PPP, and 99% NPP) were also established relative to an independent criterion variable made up of three established performance-based neuropsychological tests. Findings support the reliability and validity of the BEAT as a screening measure of executive function impairment with high sensitivity and a low rate of false negatives.
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Affiliation(s)
- J Berry
- Advanced Neuropsychological Treatment Services, Sydney, Australia.,Department of Psychology, Macquarie University, Sydney, Australia
| | - E A Shores
- Advanced Neuropsychological Treatment Services, Sydney, Australia.,Department of Psychology, Macquarie University, Sydney, Australia
| | - T Nardo
- Advanced Neuropsychological Treatment Services, Sydney, Australia.,Department of Psychology, Macquarie University, Sydney, Australia
| | - A Sedwell
- Agency for Clinical Innovation, Sydney, Australia
| | - J Lunn
- We Help Ourselves, Sydney, Australia
| | - E M Marceau
- School of Psychology and Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, Australia
| | - A Wesseling
- Department of Psychology, Macquarie University, Sydney, Australia
| | - M Zucco
- Department of Psychology, Macquarie University, Sydney, Australia
| | - S Sugden-Lingard
- Advanced Neuropsychological Treatment Services, Sydney, Australia
| | - T Borchard
- Advanced Neuropsychological Treatment Services, Sydney, Australia
| | - J Batchelor
- Department of Psychology, Macquarie University, Sydney, Australia
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Green JK, Berry J, Ciais P, Zhang Y, Gentine P. Amazon rainforest photosynthesis increases in response to atmospheric dryness. Sci Adv 2020; 6:6/47/eabb7232. [PMID: 33219023 PMCID: PMC7679161 DOI: 10.1126/sciadv.abb7232] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 10/07/2020] [Indexed: 05/19/2023]
Abstract
Earth system models predict that increases in atmospheric and soil dryness will reduce photosynthesis in the Amazon rainforest, with large implications for the global carbon cycle. Using in situ observations, solar-induced fluorescence, and nonlinear machine learning techniques, we show that, in reality, this is not necessarily the case: In many of the wettest parts of this region, photosynthesis and biomass tend to increase with increased atmospheric dryness, despite the associated reductions in canopy conductance to CO2 These results can be largely explained by changes in canopy properties, specifically, new leaves flushed during the dry season have higher photosynthetic capacity than the leaves they replace, compensating for the negative stomatal response to increased dryness. As atmospheric dryness will increase with climate change, our study highlights the importance of reframing how we represent the response of ecosystem photosynthesis to atmospheric dryness in very wet regions, to accurately quantify the land carbon sink.
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Affiliation(s)
- J K Green
- Department of Earth and Environmental Engineering, Columbia University, New York, NY, USA.
- Laboratoire des Sciences du Climat et de l'Environnement (LSCE), Gif-sur-Yvette, France
| | - J Berry
- Carnegie Institution for Science, Stanford, CA, USA
| | - P Ciais
- Laboratoire des Sciences du Climat et de l'Environnement (LSCE), Gif-sur-Yvette, France
| | - Y Zhang
- Department of Earth and Environmental Engineering, Columbia University, New York, NY, USA
- Department of Earth and Environmental Sciences, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - P Gentine
- Department of Earth and Environmental Engineering, Columbia University, New York, NY, USA
- The Earth Institute, Columbia University, New York, NY, USA
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Carter GD, Berry J, Cavalier E, Durazo-Arvizu R, Gunter E, Jones G, Jones J, Phinney K, Sempos CT, Twomey PJ, Williams EL. Biotin supplementation causes erroneous elevations of results in some commercial serum 25-hydroxyvitamin d (25OHD) assays. J Steroid Biochem Mol Biol 2020; 200:105639. [PMID: 32084550 DOI: 10.1016/j.jsbmb.2020.105639] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 02/12/2020] [Accepted: 02/18/2020] [Indexed: 11/28/2022]
Abstract
The Vitamin D External Quality Assessment Scheme (DEQAS) distributes serum samples globally, on a quarterly basis, to assess participants' performance of specific methods for 25-hydroxyvitamin D (25OHD) and 1,25-dihydroxyvitamin D (1,25-(OH)2D). DEQAS occasionally circulates samples containing high levels of substances found in certain clinical situations e.g. 25-OHD2, 24,25-(OH)2D3, hypertriglyceridemia. The increased availability and use of health supplements containing biotin has led to case reports of assay interference in methods utilizing a biotin-streptavidin detection system. In October 2018, DEQAS included a serum sample (545) containing exogenous biotin (concentration =586 μg/L) which was analyzed by a total of 683 laboratories using 35 different methods. The same serum sample (544) without exogenous biotin was also included in the 5-sample set. All methods (760 laboratories) performed satisfactorily on sample 544 giving an All-Laboratory Trimmed Mean = 50.2 ± 6.5 nmol/L (±SD, CV = 12.9 %). The target value for this sample 544 (& 555) was 47.4 nmol/L as determined by Centers for Disease Control and Prevention (CDC) Atlanta, Georgia using their LC-MS/MS reference method. In contrast, #545 containing the exogenous biotin was reported by only 683 laboratories and gave an All-Laboratory Trimmed Mean = 66.8 ± 37.6 nmol/L (±SD, CV = 56.3 %). As expected, LC-MS/MS methods (143 labs) reported similar results for both 544 = 48.9 ± 4.4 nmol/L (±SD) and 545 = 48.3 ± 4.5 nmol/L (±SD) showing that assays involving chromatographic steps are unaffected by the presence of biotin. Several of the antibody-based assays including Abbott Architect, DiaSorin Liaison, Beckman Unicel and Siemens Centaur are also unaffected by the addition of biotin. Two assays, IDS-iSYS and Roche Total 25OHD, both of which use biotin-streptavidin, exhibit biotin interference yielding values with a significant positive bias for 545 of 102.6 nmol/L ± 78.7 nmol/L (±SD) and 517.8 nmol/L ± 209.8 nmol/L (±SD) respectively. Interestingly, the failure to report sample 545 data from 77 laboratories is due solely to those running Roche Total 25OHD or Roche Vitamin D Total II assays. Given the prevalence of the adversely affected assays (25 % of DEQAS users) and the high volume of 25OHD testing, clinicians using these assays should, where possible, only measure 25OHD when patients are off biotin.
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Affiliation(s)
- G D Carter
- North West London Pathology, Imperial College Healthcare NHS Trust, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - J Berry
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - E Cavalier
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - R Durazo-Arvizu
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - E Gunter
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - G Jones
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - J Jones
- North West London Pathology, Imperial College Healthcare NHS Trust, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - K Phinney
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - C T Sempos
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - P J Twomey
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - E L Williams
- North West London Pathology, Imperial College Healthcare NHS Trust, Charing Cross Hospital, London W6 8RF, United Kingdom.
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Izadi Firouzabadi L, Mead P, Berry J, Hanif S. Cauda equina syndrome due to leptomeningeal carcinomatosis: a medical dilemma. BMJ Case Rep 2020; 13:13/2/e232297. [DOI: 10.1136/bcr-2019-232297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Berry J, Despras G, Lindhorst TK. A compatibility study on the glycosylation of 4,4′-dihydroxyazobenzene. RSC Adv 2020; 10:17432-17437. [PMID: 35515580 PMCID: PMC9053478 DOI: 10.1039/d0ra02435j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 04/22/2020] [Indexed: 12/25/2022] Open
Abstract
Photoresponsive glycoconjugates based on the azobenzene photoswitch are valuable molecules which can be used as tools for the investigation of carbohydrate–protein interactions or as precursors of shape-switchable molecular architectures, for example. To access such compounds, glycosylation of 4,4′-dihydroxyazobenzene (DHAB) is a critical step, frequently giving heterogeneous results because DHAB is a challenging glycosyl acceptor. Therefore, DHAB glucosylation was studied using nine different glycosyl donors, and reaction conditions were systematically varied in order to find a reliable procedure, especially towards the preparation of azobenzene bis-glucosides. Particular emphasis was put on glucosyl donors which were differentiated at the primary 6-position (N3, OAc) for further functionalisation. The present study allowed us to identify suitable glycosyl donors and reaction conditions matching with DHAB, affording the bis-glycosylated products in fair yields and good stereocontrol. The glycosylation of 4,4′-dihydroxyazobenzene was investigated to identify suitable conditions providing access to valuable photoswitchable glycoconjugates.![]()
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Affiliation(s)
- Jonathan Berry
- Otto Diels Institute of Organic Chemistry
- Christiana Albertina University of Kiel
- 24118 Kiel
- Germany
| | - Guillaume Despras
- Otto Diels Institute of Organic Chemistry
- Christiana Albertina University of Kiel
- 24118 Kiel
- Germany
| | - Thisbe K. Lindhorst
- Otto Diels Institute of Organic Chemistry
- Christiana Albertina University of Kiel
- 24118 Kiel
- Germany
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Durazo-Arvizu RA, Ahmed F, Berry J, Cavalier E, Gunter E, Jones G, Jones J, Sempos CT, Twomey PJ, Williams EL, Carter GD. Estimating uncertainty of target values for DEQAS serum materials. J Steroid Biochem Mol Biol 2019; 188:90-94. [PMID: 30639316 PMCID: PMC6595496 DOI: 10.1016/j.jsbmb.2018.12.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 12/18/2018] [Accepted: 12/31/2018] [Indexed: 10/27/2022]
Abstract
The External Quality Assessment (EQA) scheme for vitamin D metabolites (DEQAS) distributes human serum samples to laboratories across the world to assess their performance in measuring serum total 25-hydroxyvitamin D [25(OH)D], i.e. the sum of the concentrations of serum 25(OH)D2 and 25(OH)D3. In 2013 DEQAS, in collaboration with the Vitamin D Standardization Program (VDSP), became an accuracy-based EQAS when the National Institute for Standards and Technology (NIST) began assigning 25(OH)D target values to DEQAS serum samples using their Joint Committee for Traceability in Laboratory Medicine (JCTLM) approved reference measurement procedure (RMP). Historically, NIST has performed 4 determinations of 25-OHD2 and 25-OHD3 on each sample and used the mean values to calculate a single 'target value' for Total 25-OHD against which performance was judged. By definition the target values cannot be exact and each is associated with a level of uncertainty. The total uncertainty (UNIST) has two components, one from the 25(OH)D2, and 25(OH)D3 measurements and the other associated with the calibration procedure. The total combined uncertainty is calculated by adding up these uncertainties. In future, uncertainties will be attached to the target value in each DEQAS serum sample, starting with the next distribution cycle in 2019. Confidence intervals obtained using these uncertainties will allow DEQAS participants to determine if their result agrees with the NIST assigned target value. Furthermore, if the value falls within the confidence interval the laboratory's assay would be regarded as traceable, i.e. standardized, to the NIST RMP.
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Affiliation(s)
- R A Durazo-Arvizu
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, United Kingdom.
| | - F Ahmed
- Imperial College Healthcare NHS Trust, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - J Berry
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - E Cavalier
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - E Gunter
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - G Jones
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - J Jones
- Imperial College Healthcare NHS Trust, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - C T Sempos
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - P J Twomey
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - E L Williams
- Imperial College Healthcare NHS Trust, Charing Cross Hospital, London W6 8RF, United Kingdom
| | - G D Carter
- Imperial College Healthcare NHS Trust, Charing Cross Hospital, London W6 8RF, United Kingdom
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Carter GD, Ahmed F, Berry J, Cavalier E, Durazo-Arvizu R, Gunter E, Jones G, Jones J, Phinney K, Sempos CT, Twomey PJ, Williams EL, Wise SA. External Quality Assessment of 24,25-dihydroxyvitamin D 3 (24,25(OH) 2D 3) assays. J Steroid Biochem Mol Biol 2019; 187:130-133. [PMID: 30476591 DOI: 10.1016/j.jsbmb.2018.11.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 11/18/2018] [Accepted: 11/23/2018] [Indexed: 01/31/2023]
Abstract
The discovery that mutations of the CYP24A1 gene are a cause of idiopathic infantile hypercalcemia (IIH) has revived interest in measuring serum 24,25(OH)2D3. Several studies have also suggested that a high 25-hydroxyvitamin D3(25-OHD3):24,25(OH)2D3 ratio might provide additional diagnostic information in the investigation of vitamin D deficiency. Measurement of 24,25(OH)2D3 is necessarily restricted to laboratories with mass spectrometry methods although cross reactivity of the metabolite in immunoassays for 25-OHD is a potential cause of misleading results. The international External Quality Assessment (EQA) scheme for vitamin D metabolites (DEQAS) was set up in 1989. In 2013 DEQAS became an accuracy based EQA for 25-OHD with 'target values' assigned by the National Institute of Standards and Technology (NIST) Reference Measurement Procedure (RMP). A pilot scheme for serum 24,25(OH)2D3 was started in 2015 and participants were asked to measure the metabolite on each of the 5 samples sent out for 25-OHD. Inter-laboratory agreement was poor but this may reflect methodological differences, in particular different approaches to assay standardization. An important potential contribution to reducing variability among assays was the development by NIST of a 24,25(OH)2D3 RMP and its use in assigning values to SRMs 972a, 2973 and 2971, supported by the NIH Office of Dietary Supplements (ODS) as part of the Vitamin D Standardization Program (VDSP) effort.
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Affiliation(s)
- G D Carter
- Imperial College Healthcare NHS Trust, Charing Cross Hospital, London, W6 8RF, United Kingdom.
| | - F Ahmed
- Imperial College Healthcare NHS Trust, Charing Cross Hospital, London, W6 8RF, United Kingdom
| | - J Berry
- DEQAS Advisory Panel, Charing Cross Hospital, London, W6 8RF, United Kingdom
| | - E Cavalier
- DEQAS Advisory Panel, Charing Cross Hospital, London, W6 8RF, United Kingdom
| | - R Durazo-Arvizu
- DEQAS Advisory Panel, Charing Cross Hospital, London, W6 8RF, United Kingdom
| | - E Gunter
- DEQAS Advisory Panel, Charing Cross Hospital, London, W6 8RF, United Kingdom
| | - G Jones
- DEQAS Advisory Panel, Charing Cross Hospital, London, W6 8RF, United Kingdom
| | - J Jones
- Imperial College Healthcare NHS Trust, Charing Cross Hospital, London, W6 8RF, United Kingdom
| | - K Phinney
- DEQAS Advisory Panel, Charing Cross Hospital, London, W6 8RF, United Kingdom
| | - C T Sempos
- DEQAS Advisory Panel, Charing Cross Hospital, London, W6 8RF, United Kingdom
| | - P J Twomey
- DEQAS Advisory Panel, Charing Cross Hospital, London, W6 8RF, United Kingdom
| | - E L Williams
- Imperial College Healthcare NHS Trust, Charing Cross Hospital, London, W6 8RF, United Kingdom
| | - S A Wise
- National Institutes of Health (NIH) Office of Dietary Supplements (ODS), Bethesda, MD, 20892-7517, USA
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Saadalla A, Thorvilson J, Berry J, Buckwalter S, Lynne S, Rucinski S, Koelsch J, Pritt B, Wengenack N, Schuetz A. Automated Extraction of Microbial DNA From Formalin-Fixed, Paraffin-Embedded Tissue Using the Siemens Tissue Preparation System. Am J Clin Pathol 2018. [DOI: 10.1093/ajcp/aqy112.357] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Berry J, Stone K, Reid J, Bell A, Burns R. Pediatric Emergency Medicine Simulation Curriculum: Electrical Injury. MedEdPORTAL 2018; 14:10710. [PMID: 30800910 PMCID: PMC6342442 DOI: 10.15766/mep_2374-8265.10710] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 03/21/2017] [Indexed: 06/01/2023]
Abstract
Introduction Electrical injuries are rare but potentially life-threatening medical emergencies that require providers to manage a critically ill patient while recognizing and treating the unique sequelae associated with the diagnosis. This simulation case is designed to give pediatric and emergency medicine residents, fellows, attendings, and nurses the opportunity to practice these skills in a realistic setting. Methods This simulation-based curriculum was designed for a high-fidelity mannequin in an emergency department resuscitation room but can be adapted to fit a variety of learning environments. The case featured a 16-year-old boy presenting to the emergency department after arresting in the field after sustaining an electrical injury. He developed ventricular tachycardia during the simulation and had significant hyperkalemia, requiring emergent management. The included debriefing tools assisted instructors in providing formative feedback to learners. Results A total of 40 residents, medical students, and fellows participated in this scenario and provided overwhelmingly positive feedback about the learning experience. Mean Likert scores for participant confidence related to learning objectives after the simulation were 4 or greater on a 5-point scale. Discussion This case was developed to help learners at various levels of training recognize and manage a low-frequency, high-acuity scenario in a standardized environment. Participants specifically had the opportunity to perform airway management, cardiopulmonary resuscitation, defibrillation, and management of hyperkalemia, which may present in real life from a multitude of etiologies. The included materials helped prepare and assist facilitators with debriefing, supplemental education, and bidirectional feedback.
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Affiliation(s)
- Jonathan Berry
- Pediatric Resident, University of Washington School of Medicine
| | - Kimberly Stone
- Associate Professor, Department of Pediatrics, University of Washington School of Medicine
| | - Jennifer Reid
- Associate Professor, Department of Pediatrics, University of Washington School of Medicine
| | - Alicia Bell
- Lead Simulation Technician, Seattle Children's Hospital Learning and Simulation Center
| | - Rebekah Burns
- Assistant Professor, Department of Pediatrics, University of Washington School of Medicine
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Carter GD, Berry J, Durazo-Arvizu R, Gunter E, Jones G, Jones J, Makin HLJ, Pattni P, Sempos CT, Twomey P, Williams EL, Wise SA. Hydroxyvitamin D assays: An historical perspective from DEQAS. J Steroid Biochem Mol Biol 2018; 177:30-35. [PMID: 28734989 DOI: 10.1016/j.jsbmb.2017.07.018] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 07/13/2017] [Accepted: 07/17/2017] [Indexed: 11/17/2022]
Abstract
Recent years have seen a substantial increase in demand for 25-hydroxyvitamin D (25-OHD) assays. DEQAS (the Vitamin D External Quality Assessment Scheme) has been monitoring the performance of these assays since 1989. The first DEQAS distribution was in June 1989 and results were submitted by 13 laboratories in the UK, two of which used HPLC/UV; the rest used ligand binding assays with a tritium tracer. Inter-laboratory CVs (ALTM) ranged from 29.3% (42.7nmol/L) to 53.7% (20.0nmol/L). Currently the scheme has participants in 56 countries using 30 methods or variants of methods. In January 2017, 918 participants returned results and inter-laboratory CVs (ALTM) ranged from 10.3% (73.1nmol/L) to 15.3% (29.4nmol/L). Over the last 27 years, there have been a number of significant milestones in assay development. The first major advance was the development of an iodinated 25-OHD tracer by Hollis and Napoli in 1992, subsequently used in an RIA kit marketed by DiaSorin. This and other commercial radioimmunoassays that followed brought 25-OHD assays within reach of many more non-specialist routine laboratories. With the introduction of fully automated non-isotopic assays without solvent extraction, measurement of 25-OHD became available to any clinical chemistry laboratory with an appropriate analytical platform. However, as the limitations of these non-extraction assays became apparent more laboratories started using LC-MS/MS methodology. Meanwhile the variable accuracy of 25-OHD methods has been addressed by the Vitamin D Standardization Program (VDSP) which encourages manufacturers to produce methods traceable to the reference measurement procedures (RMPs) of NIST, University of Ghent and the Centers for Disease Control and Prevention (CDC). DEQAS changed to an accuracy-based scheme in 2013 and now assesses assay accuracy against the NIST RMP. This review will use DEQAS results and statistics to chart the historical development in 25-OHD assay technology and highlight some of the problems encountered in obtaining reliable results for this most challenging of analytes.
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Affiliation(s)
- G D Carter
- Imperial College Healthcare NHS Trust, Clinical Biochemistry Department, Charing Cross Hospital, London W6 8RF, UK.
| | - J Berry
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, UK
| | - R Durazo-Arvizu
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, UK
| | - E Gunter
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, UK
| | - G Jones
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, UK
| | - J Jones
- Imperial College Healthcare NHS Trust, Clinical Biochemistry Department, Charing Cross Hospital, London W6 8RF, UK
| | - H L J Makin
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, UK
| | - P Pattni
- Imperial College Healthcare NHS Trust, Clinical Biochemistry Department, Charing Cross Hospital, London W6 8RF, UK
| | - C T Sempos
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, UK; National Institutes of Health (NIH) Office of Dietary Supplements (ODS), Bethesda, MD 20892-7517, USA
| | - P Twomey
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, UK
| | - E L Williams
- Imperial College Healthcare NHS Trust, Clinical Biochemistry Department, Charing Cross Hospital, London W6 8RF, UK
| | - S A Wise
- National Institutes of Health (NIH) Office of Dietary Supplements (ODS), Bethesda, MD 20892-7517, USA
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Carter GD, Berry J, Durazo-Arvizu R, Gunter E, Jones G, Jones J, Makin HLJ, Pattni P, Phinney KW, Sempos CT, Williams EL. Quality assessment of vitamin D metabolite assays used by clinical and research laboratories. J Steroid Biochem Mol Biol 2017; 173:100-104. [PMID: 28315391 DOI: 10.1016/j.jsbmb.2017.03.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 01/17/2017] [Accepted: 03/09/2017] [Indexed: 10/20/2022]
Abstract
The Vitamin D External Quality Assessment Scheme (DEQAS) was launched in 1989 and monitors the performance of 25-hydroxyvitamin D (25-OHD) and 1,25- dihydroxyvitamin D (1,25(OH)2D) assays. In April 2015 a pilot scheme for 24,25-dihydroxyvitamin D (24,25(OH)2D) was introduced. The 25-OHD scheme is accuracy - based with target values assigned by the NIST Reference Measurement Procedure (RMP) for 25-OHD2 and 25-OHD3. A similar method is used to assign values for 3-epi-25-OHD. Five samples of human serum are distributed quarterly to over 1000 participants in 58 countries (April 2016) and clinical laboratories are expected to submit results within approximately 5 weeks. Research laboratories with assays run less frequently are not given a deadline. Archived samples with NIST- assigned values are also available. Performance is assessed on the first four samples with the fifth reserved for investigations e.g. recovery experiments or to assess the influence of other serum constituents such as lipids. DEQAS provides rapid feedback, with an on-line preliminary report available immediately after a participant submits results and a comprehensive report soon after the results deadline. In 2015, DEQAS investigations revealed that several 25-OHD immunoassays under-recovered 25-OHD2 and 25-OHD results were falsely low on a sample with a modestly raised triglyceride concentration. An RMP for 1,25 (OH)2D is not yet available and results are judged against the Method Mean. Free advice is available from the DEQAS Advisory Panel which includes experts on methodology and biostatistics. DEQAS collaborates closely with the Vitamin D Standardization Program (VDSP) and both organizations have successfully worked with participants and manufacturers to improve the accuracy of vitamin D assays.
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Affiliation(s)
- G D Carter
- Imperial College Healthcare NHS Trust, Clinical Biochemistry Department, Charing Cross Hospital, London W6 8RF, UK.
| | - J Berry
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, UK
| | - R Durazo-Arvizu
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, UK
| | - E Gunter
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, UK
| | - G Jones
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, UK
| | - J Jones
- Imperial College Healthcare NHS Trust, Clinical Biochemistry Department, Charing Cross Hospital, London W6 8RF, UK
| | - H L J Makin
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, UK
| | - P Pattni
- Imperial College Healthcare NHS Trust, Clinical Biochemistry Department, Charing Cross Hospital, London W6 8RF, UK
| | - K W Phinney
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, UK
| | - C T Sempos
- DEQAS Advisory Panel, Charing Cross Hospital, London W6 8RF, UK
| | - E L Williams
- Imperial College Healthcare NHS Trust, Clinical Biochemistry Department, Charing Cross Hospital, London W6 8RF, UK
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Gothelf Y, Cudkowicz M, Berry J, Windebank A, Staff N, Owegi M, Levy Y, Aricha R, Mehra M, Lebovits C, Brown R. Safety and efficacy of transplantation of nurown (autologous mesenchymal stromal cells secreting neurotrophic factors) in patients with ALS: A phase 2 randomized double blind placebo controlled trial. Cytotherapy 2017. [DOI: 10.1016/j.jcyt.2017.02.040] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Aricha R, Cudkowicz M, Berry J, Windebank A, Staff N, Owegi M, Levy Y, Abramov N, Lebovits C, Brown R, Gothelf Y. In vivo modulation of neurotrophic and inflammatory factors in the CSF of ALS patients treated with NurOwn (MSC NTF cells). Cytotherapy 2017. [DOI: 10.1016/j.jcyt.2017.02.297] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Steagall PV, Monteiro BP, Ruel HLM, Beauchamp G, Luca G, Berry J, Little S, Stiles E, Hamilton S, Pang D. Perceptions and opinions of Canadian pet owners about anaesthesia, pain and surgery in small animals. J Small Anim Pract 2017; 58:380-388. [DOI: 10.1111/jsap.12674] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 12/05/2016] [Accepted: 01/12/2017] [Indexed: 11/29/2022]
Affiliation(s)
- P. V. Steagall
- Department of Clinical Sciences, Faculty of Veterinary Medicine; Université de Montréal; Saint-Hyacinthe Quebec J2S 2M2 Canada
| | - B. P. Monteiro
- Department of Biomedical Sciences, Faculty of Veterinary Medicine; Université de Montréal; Saint-Hyacinthe Quebec J2S 2M2 Canada
| | - H. L. M. Ruel
- Department of Clinical Sciences, Faculty of Veterinary Medicine; Université de Montréal; Saint-Hyacinthe Quebec J2S 2M2 Canada
| | - G. Beauchamp
- Department of Public Health, Faculty of Veterinary Medicine; Université de Montréal; Saint-Hyacinthe Quebec J2S 2M2 Canada
| | - G. Luca
- Department of Clinical Sciences, Faculty of Veterinary Medicine; Université de Montréal; Saint-Hyacinthe Quebec J2S 2M2 Canada
| | - J. Berry
- Douglas Animal Hospital; Fredericton New Brunswick E3G 7J2 Canada
| | - S. Little
- Bytown Cat Hospital; Ottawa Ontario K1K 1G6 Canada
| | - E. Stiles
- Sherwood Park Animal Hospital; Montreal Quebec H9W 2E4 Canada
| | - S. Hamilton
- Atlantic Veterinary College; University of Prince Edward Island; Charlottetown Prince Edward Island C1A 4P3 Canada
| | - D. Pang
- Faculty of Veterinary Medicine; University of Calgary; Calgary Alberta T2N 1N4 Canada
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Hughes J, Berry J, Brown L. Parental Motivations and Beliefs Regarding Purchase and Use of Toddler Specific Convenience Foods in High and Low-income Massachusetts Towns. J Acad Nutr Diet 2016. [DOI: 10.1016/j.jand.2016.06.088] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Smith FM, Al-Amin A, Wright A, Berry J, Nicoll JJ, Sun Myint A. Contact radiotherapy boost in association with 'watch and wait' for rectal cancer: initial experience and outcomes from a shared programme between a district general hospital network and a regional oncology centre. Colorectal Dis 2016; 18:861-70. [PMID: 26876570 DOI: 10.1111/codi.13296] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 10/20/2015] [Indexed: 12/24/2022]
Abstract
AIM Recent data have highlighted the potential of more intensive neoadjuvant protocols to increase and sustain the rate of complete response in rectal cancer managed nonoperatively. This study aimed to review the outcome of all patients from our district general hospitals network who had received standard neoadjuvant therapy and were additionally referred to a centre of excellence for contact X-ray brachytherapy or high-dose-rate brachytherapy boost. METHOD A retrospective, chart-based review of all patients co-managed in this manner was performed. Patient details were retrieved from a prospectively maintained departmental database. Indications for treatment, patient outcome and serial data from follow-up clinical and radiological assessment were analysed. RESULTS Seventeen patients treated over a 6-year period were identified. Median follow-up was 20 (5-54) months. Fourteen patients were clinically staged as T2 or T3 and eight were clinically node positive. Three patients died, of whom only one was initially a surgical candidate but refused an exenteration. Of the 14 patients who remain alive, 11 (79%) have a sustained complete (n = 8) or partial (n = 3) response. Two patients had an incomplete response, one is being palliated and the other awaits salvage surgery. One patient underwent abdominoperineal excision for suspected local recurrence. Currently 13 (93%) surviving patients are stoma free. CONCLUSIONS This series shows that the addition of a radiotherapy boost offered sustained responses and stoma-free survival even in advanced disease and adverse patient populations whilst providing the majority of care closer to home.
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Affiliation(s)
- F M Smith
- Department of Surgery, North Cumbria University Hospitals NHS Trust, Carlisle, UK
| | - A Al-Amin
- Department of Surgery, North Cumbria University Hospitals NHS Trust, Carlisle, UK
| | - A Wright
- Department of Surgery, North Cumbria University Hospitals NHS Trust, Carlisle, UK
| | - J Berry
- Department of Radiology, North Cumbria University Hospitals NHS Trust, Carlisle, UK
| | - J J Nicoll
- Department of Clinical Oncology, North Cumbria University Hospitals NHS Trust, Carlisle, UK
| | - A Sun Myint
- Papillon Suite, Clatterbridge Cancer Centre, Bebington, Wirral, Merseyside, UK
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Berry J, Nesbit M, Saberi S, Petridis H. Communication methods and production techniques in fixed prosthesis fabrication: a UK based survey. Part 1: communication methods. Br Dent J 2016; 217:E12. [PMID: 25257016 PMCID: PMC4340155 DOI: 10.1038/sj.bdj.2014.643] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/19/2014] [Indexed: 11/10/2022]
Abstract
Highlights the importance of dentist-technician communication. Concludes that dentists must ensure that written prescriptions contain all the necessary information so that the dental technician can fabricate fixed prostheses correctly and without delay. Recommendations for improved communication are made with the ultimate goal of better patient service.
Statement of the problem The General Dental Council (GDC) states that members of the dental team have to 'communicate clearly and effectively with other team members and colleagues in the interest of patients'. A number of studies from different parts of the world have highlighted problems and confirmed the need for improved communication methods and production techniques between dentists and dental technicians. Aim The aim of this study was to identify the communication methods and production techniques used by dentists and dental technicians for the fabrication of fixed prostheses within the UK from the dental technicians' perspective. The current publication reports on the communication methods. Materials and methods Seven hundred and eighty-two online questionnaires were distributed to the Dental Laboratories Association membership and included a broad range of topics. Statistical analysis was undertaken to test the influence of various demographic variables. Results The number of completed responses totalled 248 (32% response rate). The laboratory prescription and the telephone were the main communication tools used. Statistical analysis of the results showed that a greater number of communication methods were used by large laboratories. Frequently missing items from the laboratory prescription were the shade and the date required. The majority of respondents (73%) stated that a single shade was selected in over half of cases. Sixty-eight percent replied that the dentist allowed sufficient laboratory time. Twenty-six percent of laboratories felt either rarely involved or not involved at all as part of the dental team. Conclusion This study suggests that there are continuing communication and teamwork issues between dentists and dental laboratories.
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Affiliation(s)
- J Berry
- Department of Adult Oral Health, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London
| | - M Nesbit
- Prosthodontic Unit, UCL Eastman Dental Institute, London
| | - S Saberi
- Prosthodontic Unit, UCL Eastman Dental Institute, London
| | - H Petridis
- Department of Restorative Dentistry, Prosthodontics Unit, UCL Eastman Dental Institute, London
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Berry J, Nesbit M, Saberi S, Petridis H. Communication methods and production techniques in fixed prosthesis fabrication: a UK based survey. Part 2: production techniques. Br Dent J 2016; 217:E13. [PMID: 25257017 PMCID: PMC4340157 DOI: 10.1038/sj.bdj.2014.644] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/14/2014] [Indexed: 11/20/2022]
Abstract
Highlights that even though clear guidelines are available, there still seems to be a lack of agreement between dentists and laboratories regarding the disinfection and quality of dental impressions. Despite the promotion of all-ceramic crowns, this survey indicated that metal-ceramic crowns are still the most frequently prescribed for both anterior and posterior restorations.
Aim The aim of this study was to identify the communication methods and production techniques used by dentists and dental technicians for the fabrication of fixed prostheses within the UK from the dental technicians' perspective. This second paper reports on the production techniques utilised. Materials and methods Seven hundred and eighty-two online questionnaires were distributed to the Dental Laboratories Association membership and included a broad range of topics, such as demographics, impression disinfection and suitability, and various production techniques. Settings were managed in order to ensure anonymity of respondents. Statistical analysis was undertaken to test the influence of various demographic variables such as the source of information, the location, and the size of the dental laboratory. Results The number of completed responses totalled 248 (32% response rate). Ninety percent of the respondents were based in England and the majority of dental laboratories were categorised as small sized (working with up to 25 dentists). Concerns were raised regarding inadequate disinfection protocols between dentists and dental laboratories and the poor quality of master impressions. Full arch plastic trays were the most popular impression tray used by dentists in the fabrication of crowns (61%) and bridgework (68%). The majority (89%) of jaw registration records were considered inaccurate. Forty-four percent of dental laboratories preferred using semi-adjustable articulators. Axial and occlusal under-preparation of abutment teeth was reported as an issue in about 25% of cases. Base metal alloy was the most (52%) commonly used alloy material. Metal-ceramic crowns were the most popular choice for anterior (69%) and posterior (70%) cases. The various factors considered did not have any statistically significant effect on the answers provided. The only notable exception was the fact that more methods of communicating the size and shape of crowns were utilised for large laboratories. Conclusion This study suggests that there are continuing issues in the production techniques utilised between dentists and dental laboratories.
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Affiliation(s)
- J Berry
- Department of Adult Oral Health, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London
| | - M Nesbit
- Prosthodontic Unit, UCL Eastman Dental Institute, London
| | - S Saberi
- Prosthodontic Unit, UCL Eastman Dental Institute, London
| | - H Petridis
- Department of Restorative Dentistry, Prosthodontics Unit, UCL Eastman Dental Institute, London
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Sagana R, Stuckey L, Berry J, Collins H, Heinle A, Roaden L, Stepka D, Chang A, Lin J, Chan K. Lung Transplant Recipient Survival Following Urgent Inpatient Candidacy Evaluation. J Heart Lung Transplant 2016. [DOI: 10.1016/j.healun.2016.01.649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Rudd J, Butson M, Barnet L, Farrow D, Berry J, Borkoles E, Polman R. Physical literacy development in Australian youth: A current concern. J Sci Med Sport 2015. [DOI: 10.1016/j.jsams.2015.12.153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Titmarsh H, Gow AG, Kilpatrick S, Sinclair J, Hill T, Milne E, Philbey A, Berry J, Handel I, Mellanby RJ. Association of Vitamin D Status and Clinical Outcome in Dogs with a Chronic Enteropathy. J Vet Intern Med 2015; 29:1473-8. [PMID: 26308876 PMCID: PMC4895651 DOI: 10.1111/jvim.13603] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Revised: 05/01/2015] [Accepted: 07/22/2015] [Indexed: 12/29/2022] Open
Abstract
Background Dogs with a chronic enteropathy (CE) have a lower vitamin D status, than do healthy dogs. Vitamin D status has been associated with a negative clinical outcome in humans with inflammatory bowel disease. Objectives To examine the relationship between serum 25 hydroxyvitamin D (25(OH)D) concentrations at diagnosis and clinical outcome in dogs with a CE. Animals Forty‐one dogs diagnosed with CE admitted to the Royal Dick School of Veterinary Studies, Hospital for Small Animals between 2007 and 2013. Methods Retrospective review. Serum 25(OH)D concentrations were compared between dogs which were alive at follow up or had died because of non‐CE‐related reasons (survivors) and dogs which died or were euthanized due to their CE (non‐survivors). A binary logistic regression analysis was performed to determine significant predictors of death in dogs with CE. Results Serum concentrations of 25(OH)D at the time a CE was diagnosed were significantly lower in nonsurvivors (n = 15) (median nonsurvivors 4.36 ng/mL, interquartile range 1.6–17.0 ng/mL), median survivors (n = 26) (24.9 ng/mL interquartile range 15.63–39.45 ng/mL, P < .001). Serum 25(OH)D concentration was a significant predictor of death in dogs with CE (odds ratio 1.08 [95% CI 1.02–1.18)]). Conclusions Serum 25(OH)D concentrations at diagnosis are predictive of outcome in dogs with CE. The role of vitamin D in the initiation and outcome of chronic enteropathies in dogs is deserving of further study.
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Affiliation(s)
- H Titmarsh
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Roslin, Midlothian, UK
| | - A G Gow
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Roslin, Midlothian, UK
| | - S Kilpatrick
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Roslin, Midlothian, UK
| | - J Sinclair
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Roslin, Midlothian, UK
| | - T Hill
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Roslin, Midlothian, UK
| | - E Milne
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Roslin, Midlothian, UK
| | - A Philbey
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Roslin, Midlothian, UK
| | - J Berry
- Vitamin D Research Laboratory, Endocrinology and Diabetes, Institute of Human Development, University of Manchester, Manchester Academic Health Science Centre, Manchester Royal Infirmary, Manchester, UK
| | - I Handel
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Roslin, Midlothian, UK
| | - R J Mellanby
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Roslin, Midlothian, UK
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Abstract
Different countries have different methods for assessing movement competence in children; however, it is unclear whether the test batteries that are used measure the same aspects of movement competence. The aim of this paper was to (1) investigate whether the Test of Gross Motor Development (TGMD-2) and Körperkoordinations Test für Kinder (KTK) measure the same aspects of children's movement competence and (2) examine the factorial structure of the TGMD-2 and KTK in a sample of Australian children. A total of 158 children participated (M age = 9.5; SD = 2.2). First, confirmatory factor analysis examined the independent factorial structure of the KTK and TGMD-2. Second, it was investigated whether locomotor, object control and body coordination loaded on the latent variable Movement Competency. Confirmatory factor analysis indicated an adequate fit for both the KTK and TGMD-2. An adequate fit was also achieved for the final model. In this model, locomotor (r = .86), object control (r = .71) and body coordination (r = .52) loaded on movement competence. Findings support our hypothesis that the TGMD-2 and KTK measure discrete aspects of movement competence. Future researchers and practitioners should consider using a wider range of test batteries to assess movement competence.
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Affiliation(s)
- J Rudd
- a Institute of Sport Exercise and Active Living , Victoria University , Melbourne , Australia
| | - M L Butson
- a Institute of Sport Exercise and Active Living , Victoria University , Melbourne , Australia
| | - L Barnett
- b School of Health and Social Development , Deakin University , Melbourne , Australia
| | - D Farrow
- a Institute of Sport Exercise and Active Living , Victoria University , Melbourne , Australia.,c Movement Science , Australian Institute of Sport , Canberra , Australia
| | - J Berry
- a Institute of Sport Exercise and Active Living , Victoria University , Melbourne , Australia
| | - E Borkoles
- a Institute of Sport Exercise and Active Living , Victoria University , Melbourne , Australia
| | - R Polman
- a Institute of Sport Exercise and Active Living , Victoria University , Melbourne , Australia.,d Psychology Department , Bournemouth University , Bournemouth , United Kingdom
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D'Ausilio A, Maffongelli L, Bartoli E, Campanella M, Ferrari E, Berry J, Fadiga L. Listening to speech recruits specific tongue motor synergies as revealed by transcranial magnetic stimulation and tissue-Doppler ultrasound imaging. Philos Trans R Soc Lond B Biol Sci 2014; 369:20130418. [PMID: 24778384 DOI: 10.1098/rstb.2013.0418] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The activation of listener's motor system during speech processing was first demonstrated by the enhancement of electromyographic tongue potentials as evoked by single-pulse transcranial magnetic stimulation (TMS) over tongue motor cortex. This technique is, however, technically challenging and enables only a rather coarse measurement of this motor mirroring. Here, we applied TMS to listeners' tongue motor area in association with ultrasound tissue Doppler imaging to describe fine-grained tongue kinematic synergies evoked by passive listening to speech. Subjects listened to syllables requiring different patterns of dorso-ventral and antero-posterior movements (/ki/, /ko/, /ti/, /to/). Results show that passive listening to speech sounds evokes a pattern of motor synergies mirroring those occurring during speech production. Moreover, mirror motor synergies were more evident in those subjects showing good performances in discriminating speech in noise demonstrating a role of the speech-related mirror system in feed-forward processing the speaker's ongoing motor plan.
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Affiliation(s)
- A D'Ausilio
- Robotics Brain and Cognitive Sciences Department, RBCS, Italian Institute of Technology, IIT, , via Morego, 30, Genova 16163, Italy
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Lalor S, Schwartz AM, Titmarsh H, Reed N, Tasker S, Boland L, Berry J, Gunn-Moore D, Mellanby RJ. Cats with inflammatory bowel disease and intestinal small cell lymphoma have low serum concentrations of 25-hydroxyvitamin D. J Vet Intern Med 2014; 28:351-5. [PMID: 24433362 PMCID: PMC4858012 DOI: 10.1111/jvim.12294] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2013] [Revised: 11/08/2013] [Accepted: 12/02/2013] [Indexed: 12/24/2022] Open
Abstract
Background Inflammatory bowel disease (IBD) and intestinal small cell lymphoma (ISCL) are common diseases in cats. The prevalence of alterations in the serum concentrations of fat soluble vitamins, such as vitamin D, in cats with IBD and ISCL is unknown. Hypothesis/Objectives The objective of this study was to measure serum 25 hydroxyvitamin D (25[OH]D) concentrations in cats with IBD or ISCL. Serum 25(OH)D also was measured in healthy cats, and in hospitalized ill cats with nongastrointestinal diseases. Animals Eighty‐four cats were included in the study: 23 in the healthy group, 41 in the hospitalized ill group, and 20 in the IBD/ISCL group. Methods Retrospective study. Serum samples for vitamin D analysis were frozen at −20°C until serum 25(OH)D was measured by high‐performance liquid chromatography (HPLC). Results Although there was overlap in serum 25(OH)D concentrations among the 3 groups, serum 25(OH)D concentrations were significantly lower in the cats with IBD or ISCL compared to healthy cats (P < .0001) and hospitalized ill cats (P = .014). In the IBD/ISCL group, there was a significant moderate positive correlation between serum albumin and 25(OH)D concentrations (r = 0.58, P = .018). Conclusion and Clinical Importance The median serum concentration of 25(OH)D was significantly lower in cats with IBD/ISCL than in healthy cats and in hospitalized ill cats. Additional studies are required to elucidate the mechanism of hypovitaminosis D in cats with gastrointestinal diseases, to define the best management strategy to treat this complication, and to investigate its potential prognostic implications.
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Affiliation(s)
- S Lalor
- The Royal (Dick) School of Veterinary Studies, Division of Clinical Veterinary Sciences, University of Edinburgh, Edinburgh, UK
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Brejt N, Berry J, Nisbet A, Bloomfield D, Burkill G. Pelvic radiculopathies, lumbosacral plexopathies, and neuropathies in oncologic disease: a multidisciplinary approach to a diagnostic challenge. Cancer Imaging 2013; 13:591-601. [PMID: 24433993 PMCID: PMC3893894 DOI: 10.1102/1470-7330.2013.0052] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The purpose of this article is to familiarize the reader with the anatomy of the major pelvic nerves and the clinical features of associated lumbosacral plexopathies. To demonstrate this we illustrate several cases of malignant lumbosacral plexopathy on computed tomography, magnetic resonance imaging, and positron emission tomography/computed tomography. A new lumbosacral plexopathy in a patient with a prior history of abdominal or pelvic malignancy is usually of malignant etiology. Biopsies may be required to definitively differentiate tumour from posttreatment fibrosis, and in cases of inconclusive sampling or where biopsies are not possible, follow-up imaging may be necessary. In view of the complexity of clinical findings often confounded by a history of prior surgery and/or radiotherapy, a multidisciplinary approach between oncologists, neurologists, and radiologists is often required for what can be a diagnostic challenge.
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Affiliation(s)
- Nick Brejt
- Brighton and Sussex University Hospitals NHS Trust, Royal Sussex County Hospital, Eastern Road, Brighton BN2 5BE, UK
| | - Jonathan Berry
- Cumberland Infirmary, Newtown Road, Carlisle CA2 7HY, UK
| | - Angus Nisbet
- Sleep Neurology Clinic (NHS), Sleep Disorders Centre, Queen Victoria Hospital NHS Foundation Trust, Holtye Road, East Grinstead, West Sussex RH19 3DZ, UK
| | - David Bloomfield
- Brighton and Sussex University Hospitals NHS Trust, Royal Sussex County Hospital, Eastern Road, Brighton BN2 5BE, UK
| | - Guy Burkill
- Brighton and Sussex University Hospitals NHS Trust, Royal Sussex County Hospital, Eastern Road, Brighton BN2 5BE, UK
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Semple-Rowland S, Madorsky I, Bolch S, Berry J, Smith WC. Activation of phospholipase C mimics the phase shifting effects of light on melatonin rhythms in retinal photoreceptors. PLoS One 2013; 8:e83378. [PMID: 24386190 PMCID: PMC3873303 DOI: 10.1371/journal.pone.0083378] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2013] [Accepted: 11/02/2013] [Indexed: 12/04/2022] Open
Abstract
Many aspects of retinal photoreceptor function and physiology are regulated by the circadian clocks in these cells. It is well established that light is the primary stimulus that entrains these clocks; yet, the biochemical cascade(s) mediating light’s effects on these clocks remains unknown. This deficiency represents a significant gap in our fundamental understanding of photoreceptor signaling cascades and their functions. In this study, we utilized re-aggregated spheroid cultures prepared from embryonic chick retina to determine if activation of phospholipase C in photoreceptors in the absence of light can phase shift the melatonin secretion rhythms of these cells in a manner similar to that induced by light. We show that spheroid cultures rhythmically secrete melatonin and that these melatonin rhythms can be dynamically phase shifted by exposing the cultures to an appropriately timed light pulse. Importantly, we show that activation of phospholipase C using m-3M3FBS in the absence of light induces a phase delay in photoreceptor melatonin rhythms that mirrors that induced by light. The implication of this finding is that the light signaling cascade that entrains photoreceptor melatonin rhythms involves activation of phospholipase C.
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Affiliation(s)
- Susan Semple-Rowland
- Department of Neuroscience, University of Florida, Gainesville, Florida, United States of America
- * E-mail:
| | - Irina Madorsky
- Department of Neuroscience, University of Florida, Gainesville, Florida, United States of America
| | - Susan Bolch
- Department of Ophthalmology, University of Florida, Gainesville, Florida, United States of America
| | - Jonathan Berry
- Department of Neuroscience, University of Florida, Gainesville, Florida, United States of America
| | - W. Clay Smith
- Department of Ophthalmology, University of Florida, Gainesville, Florida, United States of America
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Williams TL, Elliott J, Berry J, Syme HM. Investigation of the pathophysiological mechanism for altered calcium homeostasis in hyperthyroid cats. J Small Anim Pract 2013; 54:367-73. [PMID: 23790052 DOI: 10.1111/jsap.12102] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
OBJECTIVE To investigate possible pathophysiological mechanisms (reduced plasma calcitriol concentrations and/or presence of concurrent or masked chronic kidney disease) for hypocalcaemiain hyperthyroid cats. METHODS Prospective cohort study. Routine plasma biochemical parameters, plasma parathyroid hormone and calcitriol concentrations, ionized calcium concentrations, and venous pH, were measured at diagnosis and following treatment of hyperthyroidism. Linear regression analysis was used to determine predictors of ionized calcium concentration. RESULTS Hyperthyroid cats (n=45) had lower ionized calcium concentrations than healthy geriatric cats (n=52), however, ionized calcium concentrations were higher in hyperthyroid cats with concurrent or masked chronic kidney disease than non-azotaemic hyperthyroid cats. Plasma calcitriol concentrations were higher in hyperthyroid cats than control cats. Plasma total thyroxine concentration and venous pH were independent predictors of ionized calcium concentration. Plasma total thyroxine concentration was also a predictor of ionized calcium concentration after adjustment for plasma parathyroid hormone and calcitriol concentrations. CLINICAL SIGNIFICANCE Hypocalcaemia in hyperthyroid cats is not associated with the presence of concurrent or masked chronic kidney disease or reduced plasma calcitriol concentrations. Increased thyroid hormone concentrations might influence ionized calcium concentrations through a mechanism, yet to be determined, that is independent of control by parathyroid hormone and calcitriol.
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Affiliation(s)
- T L Williams
- Department of Veterinary Clinical Sciences, Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield, UK
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Colvin H, Lukram A, Sohail I, Chung KT, Jehangir E, Berry J, Babu H, Hinson F. The performance of routine computed tomography for the detection of colorectal cancer. Ann R Coll Surg Engl 2013; 95:473-6. [PMID: 24112491 PMCID: PMC5827289 DOI: 10.1308/003588413x13629960049072] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/19/2013] [Indexed: 12/20/2022] Open
Abstract
INTRODUCTION Although colonoscopy and computed tomography (CT) colonography in expert hands are the most sensitive investigations for colorectal cancer, some patients may not tolerate the necessary bowel preparation and insufflation of gas into the colon. We assessed the performance of unprepared contrast CT for the detection of colorectal cancer. METHODS A retrospective review was undertaken of all patients who had contrast CT of the abdomen and pelvis and then went on to have colonoscopy at our institutions between 2007 and 2010. RESULTS Overall, 96 patients were identified as having had CT prior to colonoscopy. The sensitivity of CT in detecting colorectal cancer was 100% (95% confidence interval [CI]: 19.8-100%) and the specificity was 95.7% (95% CI: 88.8-98.6%). The positive predictive value was 33.3% (95% CI: 6.0-75.9%) and the negative predictive value was 100% (95% CI: 94.8-100%). CONCLUSIONS Non-targeted CT that is negative for colorectal malignancy is usually reassuring but the decision for further investigations should be made on a case-by-case basis, taking into account of the likelihood of underlying colorectal malignancy and the underlying co-morbidities of the patient. However, video colonoscopy is usually necessary to assess positive CT findings.
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Bartoli E, D'Ausilio A, Berry J, Badino L, Bever T, Fadiga L. Listener-Speaker Perceived Distance Predicts the Degree of Motor Contribution to Speech Perception. Cereb Cortex 2013; 25:281-8. [DOI: 10.1093/cercor/bht257] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Semple-Rowland SL, Berry J. Use of lentiviral vectors to deliver and express bicistronic transgenes in developing chicken embryos. Methods 2013; 66:466-73. [PMID: 23816789 DOI: 10.1016/j.ymeth.2013.06.026] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Revised: 05/16/2013] [Accepted: 06/21/2013] [Indexed: 12/16/2022] Open
Abstract
The abilities of lentiviral vectors to carry large transgenes (∼8kb) and to efficiently infect and integrate these genes into the genomes of both dividing and non-dividing cells make them ideal candidates for transport of genetic material into cells and tissues. Given the properties of these vectors, it is somewhat surprising that they have seen only limited use in studies of developing tissues and in particular of the developing nervous system. Over the past several years, we have taken advantage of the large capacity of these vectors to explore the expression characteristics of several dual promoter and 2A peptide bicistronic transgenes in developing chick neural retina, with the goal of identifying transgene designs that reliably express multiple proteins in infected cells. Here we summarize the activities of several of these transgenes in neural retina and provide detailed methodologies for packaging lentivirus and delivering the virus into the developing neural tubes of chicken embryos in ovo, procedures that have been optimized over the course of several years of use in our laboratory. Conditions to hatch injected embryos are also discussed. The chicken-specific techniques will be of highest interest to investigators using avian embryos, development and packaging of lentiviral vectors that reliably express multiple proteins in infected cells should be of interest to all investigators whose experiments demand manipulation and expression of multiple proteins in developing cells and tissues.
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Affiliation(s)
- Susan L Semple-Rowland
- Department of Neuroscience, University of Florida, McKnight Brain Institute, Gainesville, FL 32610 0244, United States.
| | - Jonathan Berry
- Department of Neuroscience, University of Florida, McKnight Brain Institute, Gainesville, FL 32610 0244, United States.
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Berry J, Hopkinson A, Broughton V, Oppenheim C, Creaser C, Ashton H, Sumsion J. Book Reviews. LIR 2013. [DOI: 10.29173/lirg308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Sources of unofficial UK statistics. David Mort and Wendy Wilkins
Information sources in development studies. Sheila Allcock (ed.)
The future of classification. Rita Marcella and Arthur Maltby
Knowledge discovery in bibliographic databases [Library Trends 48]. Jian Qin and Jay Norton (eds.)
The integrated accessible library: a model of service development for the 21"'century [REVIEL Report]. Peter Brophy and Jenny Craven
Disaster and after: the practicalities of information service in times of war and other catastrophes. Paul Sturges and Diana Rosenberg (eds.).
Reading the Situation. Book Marketing Ltd & the Reading Partnership
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Leroy B, Berry J, Coursier S, Martelet S, Poulain C, Bontemps H, Berthonnaud E. [Audits of good practice: implantable medical devices are also concerned]. Ann Pharm Fr 2012; 70:298-305. [PMID: 23020921 DOI: 10.1016/j.pharma.2012.07.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2012] [Revised: 07/01/2012] [Accepted: 07/14/2012] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Within the framework of a good practices agreement, French hospitals must perform clinical audits of costly molecules and implantable medical devices (IMD) to justify their medical costs. We present two examples of clinical audits of IMD: hip arthroplasties and cardiac stimulators. PATIENTS AND METHODS The clinical audits were managed by the pharmacy with the support of the medical teams. Retrospective evaluation of patient files was performed by a pharmaceutical team using evaluation grids developed from official references from the French National Authority for Health and French National Health Insurance. RESULTS The audit of hip arthroplasty procedures, including a retrospective and prospective study, showed that 95.4% and 96.9% of the surgical procedures followed guidelines. The audit of cardiac stimulators showed 100% agreement with guidelines. The audit of traceability showed that 97% of the files were complete. DISCUSSION These audits show that the cost increases of the IMD are linked to following guidelines. It is important for these audits of pertinent use to be performed by both physicians and pharmacists. CONCLUSION There is very little information in the literature or from authorities to help implement these audits. It would be interesting to propose common prospective and retrospective methods to evaluate the pertinent use of IMD.
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Affiliation(s)
- B Leroy
- Service pharmaceutique, hôpital du Nord-Ouest, BP 80436, 69655 Villefranche-sur-Saône, France.
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Kovalik M, Thoday K, Evans H, Berry J, van den Broek A, Mellanby R. Short-term prednisolone therapy has minimal impact on calcium metabolism in dogs with atopic dermatitis. Vet J 2012; 193:439-42. [DOI: 10.1016/j.tvjl.2011.12.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2011] [Revised: 12/06/2011] [Accepted: 12/14/2011] [Indexed: 11/25/2022]
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Backhouse MR, Vinall KA, Redmond A, Helliwell P, Keenan AM, Dale RM, Thomas A, Aronson D, Turner-Cobb J, Sengupta R, France B, Hill I, Flurey CA, Morris M, Pollock J, Hughes R, Richards P, Hewlett S, Ryan S, Lille K, Adams J, Haq I, McArthur M, Goodacre L, Birt L, Wilson O, Kirwan J, Dures E, Quest E, Hewlett S, Rajak R, Thomas T, Lawson T, Petford S, Hale E, Kitas GD, Ryan S, Gooberman-Hill R, Jinks C, Dziedzic K, Boucas SB, Hislop K, Rhodes C, Adams J, Ali F, Jinks C, Ong BN, Backhouse MR, White D, Hensor E, Keenan AM, Helliwell P, Redmond A, Ferguson AM, Douiri A, Scott DL, Lempp H, Halls S, Law RJ, Jones J, Markland D, Maddison P, Thom J, Law RJ, Thom JM, Maddison P, Breslin A, Kraus A, Gordhan C, Dennis S, Connor J, Chowdhary B, Lottay N, Juneja P, Bacon PA, Isaacs D, Jack J, Keller M, Tibble J, Haq I, Hammond A, Gill R, Tyson S, Tennant A, Nordenskiold U, Pease EE, Pease CT, Trehane A, Rahmeh F, Cornell P, Westlake SL, Rose K, Alber CF, Watson L, Stratton R, Lazarus M, McNeilly 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Butovsky O, Siddiqui S, Gabriely G, Lanser A, Dake B, Gopal M, Doykan C, Wu P, Lawson R, Berry J, Krichevsky A, Cudkowicz M, Weiner H. Identification of a Unique miRNA Signature in CD14+/CD16- Blood-Monocytes in ALS Subjects Identical to That Observed in SOD Mice (IN9-2.002). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.in9-2.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Shefner J, Andrews J, Bedlack R, Berry J, Goslin K, Jackson C, Kissel J, Lange D, Licht J, Mozaffar T, Pestronk A, Rosenfeld J, Wolff A, Lee J, Masonek J, Jones D, Meng L, Cedarbaum J. A Study To Evaluate Safety and Tolerability of CK-2017357 (CK-357) in Patients with Amyotrophic Lateral Sclerosis Using a Twice-Daily, Dose-Titration Regimen (P04.155). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p04.155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Rudnicki S, Berry J, Ingersoll E, Archibald D, Cudkowicz M, Kerr D, Dong Y. Dexpramipexole Effects on Functional Decline in ALS Patients in a Phase II Study: Subgroup Analysis of Demographic and Clinical Characteristics (P04.149). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p04.149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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