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Crutu A, Hanna A. [The role of surveillance bronchoscopy after lung transplantation]. Rev Mal Respir 2024; 41:59-68. [PMID: 37827927 DOI: 10.1016/j.rmr.2023.08.004] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 08/23/2023] [Indexed: 10/14/2023]
Abstract
The role of surveillance bronchoscopy after lung transplantation. Lung transplantation is currently accepted as a potential treatment for end-stage respiratory diseases. That said, airway complications and the onset of chronic lung allograft dysfunction remain major causes of morbidity and mortality subsequent to lung transplantation and a significant obstacle to long-term survival. In this article, we discuss the advantages and limitations of bronchial endoscopy in post-lung transplant monitoring.
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Affiliation(s)
- A Crutu
- Service de chirurgie thoracique et transplantation cardio-pulmonaire, hôpital Marie-Lannelongue, Le Plessis-Robinson, France.
| | - A Hanna
- Service de chirurgie thoracique et transplantation cardio-pulmonaire, hôpital Marie-Lannelongue, Le Plessis-Robinson, France
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Munier J, Shen S, Rahal D, Hanna A, Marty V, O'Neill P, Fanselow M, Spigelman I. Chronic intermittent ethanol exposure disrupts stress-related tripartite communication to impact affect-related behavioral selection in male rats. Neurobiol Stress 2023; 24:100539. [PMID: 37131490 PMCID: PMC10149313 DOI: 10.1016/j.ynstr.2023.100539] [Citation(s) in RCA: 0] [Impact Index Per Article: 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] [Received: 11/22/2022] [Revised: 04/12/2023] [Accepted: 04/16/2023] [Indexed: 05/04/2023] Open
Abstract
Alcohol use disorder (AUD) is characterized by loss of intake control, increased anxiety, and susceptibility to relapse inducing stressors. Both astrocytes and neurons contribute to behavioral and hormonal consequences of chronic intermittent ethanol (CIE) exposure in animal models. Details on how CIE disrupts hypothalamic neuro-glial communication, which mediates stress responses are lacking. We conducted a behavioral battery (grooming, open field, reactivity to a single, uncued foot-shock, intermittent-access two-bottle choice ethanol drinking) followed by Ca2+ imaging in ex-vivo slices of paraventricular nucleus of the hypothalamus (PVN) from male rats exposed to CIE vapor or air-exposed controls. Ca2+ signals were evaluated in response to norepinephrine (NE) with or without selective α-adrenergic receptor (αAR) or GluN2B-containing N-methyl-D-aspartate receptor (NMDAR) antagonists, followed by dexamethasone (DEX) to mock a pharmacological stress response. Expectedly, CIE rats had altered anxiety-like, rearing, grooming, and drinking behaviors. Importantly, NE-mediated reductions in Ca2+ event frequency were blunted in both CIE neurons and astrocytes. Administration of the selective α1AR antagonist, prazosin, reversed this CIE-induced dysfunction in both cell types. Additionally, the pharmacological stress protocol reversed the altered basal Ca2+ signaling profile of CIE astrocytes. Signaling changes in astrocytes in response to NE were correlated with anxiety-like behaviors, such as the grooming:rearing ratio, suggesting tripartite synaptic function plays a role in switching between exploratory and stress-coping behavior. These data show how CIE exposure causes persistent changes to PVN neuro-glial function and provides the groundwork for how these physiological changes manifest in behavioral selection.
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Affiliation(s)
- J.J. Munier
- Laboratory of Neuropharmacology, Section of Biosystems & Function, School of Dentistry, UCLA, United States
- Corresponding author.
| | - S. Shen
- Laboratory of Neuropharmacology, Section of Biosystems & Function, School of Dentistry, UCLA, United States
| | - D. Rahal
- Edna Bennett Pierce Prevention Research Center, The Pennsylvania State University, United States
| | - A. Hanna
- Laboratory of Neuropharmacology, Section of Biosystems & Function, School of Dentistry, UCLA, United States
| | - V.N. Marty
- Laboratory of Neuropharmacology, Section of Biosystems & Function, School of Dentistry, UCLA, United States
| | - P.R. O'Neill
- Hatos Center for Neuropharmacology, Department of Psychiatry & Biobehavioral Sciences, David Geffen School of Medicine, UCLA, United States
| | - M.S. Fanselow
- Department of Psychology, College of Life Sciences, Department of Psychiatry & Biobehavioral Science, David Geffen School of Medicine, UCLA, United States
| | - I. Spigelman
- Laboratory of Neuropharmacology, Section of Biosystems & Function, School of Dentistry, UCLA, United States
- Corresponding author. Laboratory of Neuropharmacology, Section of Biosystems & Function, School of Dentistry, UCLA, 10833 Le Conte Avenue, 63-078 CHS, Los Angeles, CA, 90095-1668, United States.
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Brown SA, Chung BY, Doshi K, Hamid A, Pederson E, Maddula R, Hanna A, Choudhuri I, Sparapani R, Bagheri Mohamadi Pour M, Zhang J, Kothari AN, Collier P, Caraballo P, Noseworthy P, Arruda-Olson A. Patient similarity and other artificial intelligence machine learning algorithms in clinical decision aid for shared decision-making in the Prevention of Cardiovascular Toxicity (PACT): a feasibility trial design. Cardiooncology 2023; 9:7. [PMID: 36691060 PMCID: PMC9869606 DOI: 10.1186/s40959-022-00151-0] [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] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 12/26/2022] [Indexed: 01/24/2023]
Abstract
BACKGROUND The many improvements in cancer therapies have led to an increased number of survivors, which comes with a greater risk of consequent/subsequent cardiovascular disease. Identifying effective management strategies that can mitigate this risk of cardiovascular complications is vital. Therefore, developing computer-driven and personalized clinical decision aid interventions that can provide early detection of patients at risk, stratify that risk, and recommend specific cardio-oncology management guidelines and expert consensus recommendations is critically important. OBJECTIVES To assess the feasibility, acceptability, and utility of the use of an artificial intelligence (AI)-powered clinical decision aid tool in shared decision making between the cancer survivor patient and the cardiologist regarding prevention of cardiovascular disease. DESIGN This is a single-center, double-arm, open-label, randomized interventional feasibility study. Our cardio-oncology cohort of > 4000 individuals from our Clinical Research Data Warehouse will be queried to identify at least 200 adult cancer survivors who meet the eligibility criteria. Study participants will be randomized into either the Clinical Decision Aid Group (where patients will use the clinical decision aid in addition to current practice) or the Control Group (current practice). The primary endpoint of this study is to assess for each patient encounter whether cardiovascular medications and imaging pursued were consistent with current medical society recommendations. Additionally, the perceptions of using the clinical decision tool will be evaluated based on patient and physician feedback through surveys and focus groups. This trial will determine whether a clinical decision aid tool improves cancer survivors' medication use and imaging surveillance recommendations aligned with current medical guidelines. TRIAL REGISTRATION ClinicalTrials.Gov Identifier: NCT05377320.
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Affiliation(s)
- Sherry-Ann Brown
- Cardio-Oncology Program, Division of Cardiovascular Medicine, Medical College of Wisconsin, Milwaukee, WI, USA.
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA.
| | - Brian Y Chung
- Cancer Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Krishna Doshi
- Department of Internal Medicine, Advocate Lutheran General Hospital, Park Ridge, IL, USA
| | | | | | | | - Allen Hanna
- University of Wisconsin-Milwaukee, Milwaukee, WI, USA
| | | | - Rodney Sparapani
- Institute for Health and Equity, Medical College of Wisconsin, Milwaukee, WI, USA
| | | | - Jun Zhang
- Department of Computer Science, University of Wisconsin-Milwaukee, Milwaukee, WI, USA
| | - Anai N Kothari
- Division of Surgical Oncology, Department of Surgery, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Patrick Collier
- Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland, OH, USA
| | | | - Peter Noseworthy
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA
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Dauriat G, Pradere P, Feuillet S, Crutu A, Florea V, Hanna A, Le Pavec J, Mercier O, Fadel E. Réponse vaccinale contre la Covid en transplantation pulmonaire. Revue des Maladies Respiratoires Actualités 2022. [PMCID: PMC8709669 DOI: 10.1016/j.rmra.2021.11.006] [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] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Introduction La vaccination contre la Covid a été recommandée chez les patients transplantés d’organes solides en début d’année 2021, selon un schéma comprenant 3 doses chez les patients n’ayant pas présenté d’infection par la Covid 19 et selon un schéma comprenant 2 injections chez les patients ayant été infectés par la Covid. Méthodes Nous avons étudié la réponse vaccinale après un schéma complet dans une cohorte de patients transplantés pulmonaires et cardiopulmonaires à l’hôpital Marie Lannelongue. Selon les recommandations de l’OMS, l’absence de réponse vaccinale est définie par une sérologie dont le taux est < 30 BAU/ml. Le taux d’Anticorps considéré comme protecteur est un taux > 260 BAU/ml. Les patients dont le taux est compris entre 30 et 260 BAU/ml sont considérés comme faiblement répondeurs. La sérologie a été effectuée entre 1 et 3 mois après la dernière injection. Résultats Dans notre cohorte comprenant 373 patients, une sérologie Covid a pu être obtenue chez 75% des patients. Une absence complète de séroconversion a été constatée chez 75% des patients. Une séroconversion avec un taux d’anticorps considéré comme protecteur n’a été obtenu que chez 14% des patients, dont la moitié a présenté une infection par la Covid. Par ailleurs, 11% des patients ont été faiblement répondeurs. Conclusion Notre étude mono-centrique suggère une très faible réponse vaccinale chez les patients transplantés pulmonaires et cardiopulmonaires, suggérant la réalisation d’une 4e dose chez les patients partiellement répondeurs et/ou un traitement par anticorps monoclonaux spécifiques chez les patients non répondeurs.
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Danlos FX, Goubet AG, Aglave M, Alfaro A, Job B, Francillette M, Hanna A, Pradere P, Dolidon S, Lecluse Y, Droin N, Deloger M, Besse B, Robert C, Michot JM, Soria JC, Barlesi F, Zitvogel L, Marabelle A, Le Pavec J. 1773P Anti-PD1-induced acute interstitial pneumonitis is characterized by alveolar infiltration of PD-1+CD38+TIGIT+ cytotoxic effector CD8+ T cells and CD206+ inflammatory macrophages. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1717] [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: 10/20/2022] Open
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Arden J, Quinn T, Wilson T, Hanna A, Baschnagel A, Wilson G. CD44 Expression Is Correlated With MTOR Expression And p16 Status In Head And Neck Squamous Cell Carcinoma. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1594] [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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Imam Z, Odish F, Gill I, O'Connor D, Armstrong J, Vanood A, Ibironke O, Hanna A, Ranski A, Halalau A. Older age and comorbidity are independent mortality predictors in a large cohort of 1305 COVID-19 patients in Michigan, United States. J Intern Med 2020; 288:469-476. [PMID: 32498135 PMCID: PMC7300881 DOI: 10.1111/joim.13119] [Citation(s) in RCA: 218] [Impact Index Per Article: 54.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 05/26/2020] [Accepted: 05/27/2020] [Indexed: 01/08/2023]
Abstract
INTRODUCTION Higher comorbidity and older age have been reported as correlates of poor outcomes in COVID-19 patients worldwide; however, US data are scarce. We evaluated mortality predictors of COVID-19 in a large cohort of hospitalized patients in the United States. DESIGN Retrospective, multicenter cohort of inpatients diagnosed with COVID-19 by RT-PCR from 1 March to 17 April 2020 was performed, and outcome data evaluated from 1 March to 17 April 2020. Measures included demographics, comorbidities, clinical presentation, laboratory values and imaging on admission. Primary outcome was mortality. Secondary outcomes included length of stay, time to death and development of acute kidney injury in the first 48-h. RESULTS The 1305 patients were hospitalized during the evaluation period. Mean age was 61.0 ± 16.3, 53.8% were male and 66.1% African American. Mean BMI was 33.2 ± 8.8 kg m-2 . Median Charlson Comorbidity Index (CCI) was 2 (1-4), and 72.6% of patients had at least one comorbidity, with hypertension (56.2%) and diabetes mellitus (30.1%) being the most prevalent. ACE-I/ARB use and NSAIDs use were widely prevalent (43.3% and 35.7%, respectively). Mortality occurred in 200 (15.3%) of patients with median time of 10 (6-14) days. Age > 60 (aOR: 1.93, 95% CI: 1.26-2.94) and CCI > 3 (aOR: 2.71, 95% CI: 1.85-3.97) were independently associated with mortality by multivariate analyses. NSAIDs and ACE-I/ARB use had no significant effects on renal failure in the first 48 h. CONCLUSION Advanced age and an increasing number of comorbidities are independent predictors of in-hospital mortality for COVID-19 patients. NSAIDs and ACE-I/ARB use prior to admission is not associated with renal failure or increased mortality.
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Affiliation(s)
- Z Imam
- From the, Internal Medicine Department, Beaumont Health, Royal Oak, MI, USA.,Internal Medicine Residents, Beaumont Hospital, Royal Oak, MI, USA
| | - F Odish
- From the, Internal Medicine Department, Beaumont Health, Royal Oak, MI, USA.,Internal Medicine Residents, Beaumont Hospital, Royal Oak, MI, USA
| | - I Gill
- From the, Internal Medicine Department, Beaumont Health, Royal Oak, MI, USA.,Internal Medicine Residents, Beaumont Hospital, Royal Oak, MI, USA
| | - D O'Connor
- From the, Internal Medicine Department, Beaumont Health, Royal Oak, MI, USA.,Internal Medicine Residents, Beaumont Hospital, Royal Oak, MI, USA
| | - J Armstrong
- From the, Internal Medicine Department, Beaumont Health, Royal Oak, MI, USA.,Internal Medicine Residents, Beaumont Hospital, Royal Oak, MI, USA
| | - A Vanood
- Oakland University William Beaumont School of Medicine, Rochester, MI, USA
| | - O Ibironke
- Oakland University William Beaumont School of Medicine, Rochester, MI, USA
| | - A Hanna
- From the, Internal Medicine Department, Beaumont Health, Royal Oak, MI, USA.,Internal Medicine Residents, Beaumont Hospital, Royal Oak, MI, USA
| | - A Ranski
- Oakland University William Beaumont School of Medicine, Rochester, MI, USA
| | - A Halalau
- From the, Internal Medicine Department, Beaumont Health, Royal Oak, MI, USA.,Oakland University William Beaumont School of Medicine, Rochester, MI, USA.,Department of Medicine, Oakland University William Beaumont School of Medicine, Royal Oak, MI, USA
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Arden J, Quinn T, Wilson T, Hanna A, Baker K, Baschnagel A, Wilson G. Automated Assessment of Biomarker Expression in Head and Neck Squamous Cell Carcinoma (HNSCC) Patients Shows Association between High CD44, c-MET, EGFR, and GLUT1 Expression with Decreased Disease-Free Survival and Overall Survival. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.975] [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: 10/26/2022]
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9
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Rosario J, Lebowitz D, Leon L, Hanna A, Fusco N, Dub L, Ganti L. 311 Addressing the Overuse of Neuro-Imaging for Patients With a Primary Headache and a Normal Neurologic Examination. Ann Emerg Med 2018. [DOI: 10.1016/j.annemergmed.2018.08.316] [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: 10/28/2022]
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10
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Vuksan V, Jenkins AL, Brissette C, Choleva L, Jovanovski E, Gibbs AL, Bazinet RP, Au-Yeung F, Zurbau A, Ho HVT, Duvnjak L, Sievenpiper JL, Josse RG, Hanna A. Salba-chia (Salvia hispanica L.) in the treatment of overweight and obese patients with type 2 diabetes: A double-blind randomized controlled trial. Nutr Metab Cardiovasc Dis 2017; 27:138-146. [PMID: 28089080 DOI: 10.1016/j.numecd.2016.11.124] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 10/25/2016] [Accepted: 11/29/2016] [Indexed: 12/01/2022]
Abstract
BACKGROUND AND AIM Preliminary findings indicate that consumption of Salba-chia (Salvia hispanica L.), an ancient seed, improves management of type 2 diabetes and suppresses appetite. The aim of this study was to assesse the effect of Salba-chia on body weight, visceral obesity and obesity-related risk factors in overweight and obese adults with type 2 diabetes. METHODS A double-blind, randomized, controlled trial with two parallel groups involved 77 overweight or obese patients with type 2 diabetes (HbA1c: 6.5-8.0%; BMI: 25-40 kg/m2). Both groups followed a 6-month calorie-restricted diet; one group received 30 g/1000 kcal/day of Salba-chia, the other 36 g/1000 kcal/day of an oat bran-based control. Primary endpoint was change in body weight over 6-months. Secondary endpoints included changes in waist circumference, body composition, glycemic control, C-reactive protein, and obesity-related satiety hormones. RESULTS At 6-months, participants on Salba-chia had lost more weight than those on control (1.9 ± 0.5 kg and 0.3 ± 0.4 kg, respectively; P = 0.020), accompanied by a greater reduction in waist circumference (3.5 ± 0.7 cm and 1.1 ± 0.7 cm, respectively; P = 0.027). C-reactive protein was reduced by 1.1 ± 0.5 mg/L (39 ± 17%) on Salba-chia, compared to 0.2 ± 0.4 mg/L (7 ± 20%) on control (P = 0.045). Plasma adiponectin on the test intervention increased by 6.5 ± 0.7%, with no change observed on control (P = 0.022). CONCLUSIONS The results of this study, support the beneficial role of Salba-chia seeds in promoting weight loss and improvements of obesity related risk factors, while maintaining good glycemic control. Supplementation of Salba-chia may be a useful dietary addition to conventional therapy in the management of obesity in diabetes. REGISTRATION: clinicaltrials.gov identifier: NCT01403571.
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Affiliation(s)
- V Vuksan
- Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, ON, Canada; Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada; Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada; Department of Medicine, Faculty of Medicine, University of Toronto, Toronto, ON, Canada; Division of Endocrinology & Metabolism, St. Michael's Hospital, Toronto, ON, Canada.
| | - A L Jenkins
- Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, ON, Canada
| | - C Brissette
- Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, ON, Canada; Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - L Choleva
- Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, ON, Canada; Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - E Jovanovski
- Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, ON, Canada; Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - A L Gibbs
- Department of Statistical Sciences, University of Toronto, Toronto, ON, Canada
| | - R P Bazinet
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - F Au-Yeung
- Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, ON, Canada; Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - A Zurbau
- Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, ON, Canada; Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - H V T Ho
- Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, ON, Canada; Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - L Duvnjak
- Vuk Vrhovac Clinic for Diabetes, Endocrinology and Metabolic Diseases, University Hospital Merkur, University of Zagreb, School of Medicine, Zagreb, Croatia
| | - J L Sievenpiper
- Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, ON, Canada; Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada; Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada; Division of Endocrinology & Metabolism, St. Michael's Hospital, Toronto, ON, Canada
| | - R G Josse
- Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada; Department of Medicine, Faculty of Medicine, University of Toronto, Toronto, ON, Canada; Division of Endocrinology & Metabolism, St. Michael's Hospital, Toronto, ON, Canada
| | - A Hanna
- Department of Medicine, Faculty of Medicine, University of Toronto, Toronto, ON, Canada; Division of Endocrinology & Metabolism, St. Michael's Hospital, Toronto, ON, Canada
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Krueger S, Kane J, Dabjan M, Hanna A, Wilson G, Guerrero T, Marples B. Characterizing Pulmonary Damage After Thoracic Irradiation Using Magnetic Resonance Imaging, Positron Emission Tomography, and Computed Tomography. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.2037] [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: 10/20/2022]
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Kane J, Krueger S, Hanna A, Raffel T, Wilson G, Madlambayan G, Marples B. OC-0048: Tumor microenvironment response and bone marrow cell migration after pulsed radiotherapy. Radiother Oncol 2016. [DOI: 10.1016/s0167-8140(16)31297-x] [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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Johnson M, Baschnagel A, Stone B, Thibodeau B, Galoforo S, Grills I, Hanna A, Wilson G. Novel Target Identification in Pancreatic Adenocarcinoma. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.1917] [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: 11/30/2022]
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Hyder J, Bentzen S, Hanna A, Choi E, Boggs H, Kwok Y, Feigenberg S, Regine W, Woodworth G, Barnholtz-Sloan J, Weltman E, Sperduto P, Mehta M. Prognostic Models for Patients With Brain Metastases Treated With Stereotactic Radiosurgery With or Without Whole-Brain Radiation Therapy. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.812] [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: 11/28/2022]
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Boggs DH, Tarabolous C, Morris CG, Hanna A, Burrows W, Horiba N, Suntharalingam M. Analysis of pathological complete response rates with paclitaxel-based regimens in trimodality therapy for esophageal cancer. Dis Esophagus 2015; 28:619-25. [PMID: 24863682 DOI: 10.1111/dote.12243] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [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] [Indexed: 12/11/2022]
Abstract
The study aimed to examine whether omission of 5-fluorouracil (5-FU)-containing chemotherapy alters pathological complete response rates in patients receiving trimodality therapy for locally advanced esophageal cancer. A total of 159 patients were identified. One hundred twenty-nine patients received platinum/5-FU concurrently with radiotherapy, and 30 received taxane/platinum-containing chemoradiotherapy prior to esophagectomy. Patients were staged using the 2002 American Joint Committee on Cancer staging system. Patients were matched between chemotherapeutic groups, with no significant demographic or clinical differences other than T stage (14% T2 in the 5-FU group; no T2 in the platinum/taxane group) and radiotherapy technique (8.5% received intensity-modulated radiotherapy in the 5-FU group; 60% in the platinum/taxane group). Pathological complete response rates for 5-FU and platinum/taxane-based groups were not significantly different (45% and 30%, respectively; P = 0.1548). Five-year overall survival and progression-free survival were not statistically different between the two groups. Significant predictors of pathological complete response included N stage (56% N0 and 33% N1; P = 0.0083), histology (37% adenocarcinoma and 59% squamous cell; P = 0.0123), tumor location (39% distal and 59% proximal/mid; P = 0.048), gastroesophageal junction involvement (33% involved and 55% uninvolved; P = 0.005), and radiotherapy end-to-surgery interval (50% < 55 days and 34% ≥ 55 days; P = 0.04). Grades 3-4 hematological toxicity was higher in the 5-FU group (36%) than in the paclitaxel-containing therapy group (17%; P = 0.0484). Use of paclitaxel-containing chemoradiotherapy did not result in inferior pathological complete response, overall survival, or progression-free survival rates, and resulted in less hematological toxicity than 5-FU treatment.
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Affiliation(s)
- D H Boggs
- Department of Radiation Oncology, University of Maryland Medical Center, Baltimore, MD, USA
| | - C Tarabolous
- Department of Medical Oncology, University of Maryland Medical Center, Baltimore, MD, USA
| | - C G Morris
- Department of Biostatistics, University of Florida, Gainesville, FL, USA
| | - A Hanna
- University of Maryland Medical School, Baltimore, MD, USA
| | - W Burrows
- Department of Thoracic Surgery, University of Maryland Medical Center, Baltimore, MD, USA
| | - N Horiba
- Department of Medical Oncology, University of Maryland Medical Center, Baltimore, MD, USA
| | - M Suntharalingam
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD, USA
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Hill AA, Dewé T, Kosmider R, Von Dobschuetz S, Munoz O, Hanna A, Fusaro A, De Nardi M, Howard W, Stevens K, Kelly L, Havelaar A, Stärk K. Modelling the species jump: towards assessing the risk of human infection from novel avian influenzas. R Soc Open Sci 2015; 2:150173. [PMID: 26473042 PMCID: PMC4593676 DOI: 10.1098/rsos.150173] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Accepted: 08/12/2015] [Indexed: 05/06/2023]
Abstract
The scientific understanding of the driving factors behind zoonotic and pandemic influenzas is hampered by complex interactions between viruses, animal hosts and humans. This complexity makes identifying influenza viruses of high zoonotic or pandemic risk, before they emerge from animal populations, extremely difficult and uncertain. As a first step towards assessing zoonotic risk of influenza, we demonstrate a risk assessment framework to assess the relative likelihood of influenza A viruses, circulating in animal populations, making the species jump into humans. The intention is that such a risk assessment framework could assist decision-makers to compare multiple influenza viruses for zoonotic potential and hence to develop appropriate strain-specific control measures. It also provides a first step towards showing proof of principle for an eventual pandemic risk model. We show that the spatial and temporal epidemiology is as important in assessing the risk of an influenza A species jump as understanding the innate molecular capability of the virus. We also demonstrate data deficiencies that need to be addressed in order to consistently combine both epidemiological and molecular virology data into a risk assessment framework.
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Affiliation(s)
- A. A. Hill
- Royal Veterinary College, London, UK
- Animal and Plant Health Agency, New Haw, Surrey, UK
- Author for correspondence: A. A. Hill e-mail:
| | - T. Dewé
- Animal and Plant Health Agency, New Haw, Surrey, UK
| | - R. Kosmider
- Animal and Plant Health Agency, New Haw, Surrey, UK
| | - S. Von Dobschuetz
- Royal Veterinary College, London, UK
- Food and Agriculture Organization of the United Nations, Rome, Italy
| | - O. Munoz
- Instituto Zooprofilattico Sperimentale delle Venizie, Padua, Italy
| | - A. Hanna
- Animal and Plant Health Agency, New Haw, Surrey, UK
| | - A. Fusaro
- Instituto Zooprofilattico Sperimentale delle Venizie, Padua, Italy
| | - M. De Nardi
- Instituto Zooprofilattico Sperimentale delle Venizie, Padua, Italy
| | - W. Howard
- Animal and Plant Health Agency, New Haw, Surrey, UK
| | | | - L. Kelly
- Animal and Plant Health Agency, New Haw, Surrey, UK
| | | | - K. Stärk
- Royal Veterinary College, London, UK
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Hanna A, Birla R, Iosif C, Boeriu M, Tomsa R, Puscasu A, Constantinoiu S. Evaluation of Neoadjuvant Radiochemotherapy Response (RCT) in Squamous Esophageal Cancer (ESC) and Implications in Therapeutic Conduct. Chirurgia (Bucur) 2015; 110:214-23. [PMID: 26158730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Subscribe] [Scholar Register] [Accepted: 06/01/2015] [Indexed: 10/28/2022]
Abstract
The multidisciplinary approach in ESC emerged as a result of efforts to maximize the treatment outcome of this disease.Surgical approach as the only therapeutic option is not always followed by a good distance survival. A concomitant neoadjuvant radiochemotherapy in ESC may result in a favourable outcome for responding patients, reducing the size of the tumor and the degree of lymph node damage increasing resectability and the R0 resection rate, improving prognosis. For non-responding patients or if the disease continues to progress under RCT therapy, the surgical time is delayed, adverse effects of radiochemotherapy are added and postoperative morbidity and mortality are increased. The imaging methods for the assessment of response have only limited value and metabolic response; only FDG-PET manages to come close to pathological response. Determining the response degree is very important for the establishment of the surgical conduct: planned or necessity surgery, or non-surgical palliative therapy.
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Choi E, Diamond A, Hanna A, Boggs H, Feigenberg S, Kwok Y, Simard J, Barnholtz-Sloan J, Mehta M. Application of a Survival-Predicting Nomogram Based Primarily on Whole-Brain Radiation Therapy–Treated Patients With Brain Metastases Yields Significant Underestimates for Radiosurgery-Treated Patients. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.2587] [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: 10/24/2022]
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19
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Boggs H, Hanna A, Horiba N, Burrows W, Suntharalingam M. Primary Gross Tumor Volume Is an Important Prognostic Factor in Locally Advanced Esophageal Cancer Patients Treated With Trimodality Therapy. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.1099] [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: 10/24/2022]
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20
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Hanna A, Boggs D, Kwok Y, Eisenberg H, Simard M, Woodworth G, Regine W, Mehta M. Factors Predicting for Increase in Peritumoral Edema Following Radiosurgery of Brain Metastases. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.665] [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: 11/16/2022]
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21
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Baschnagel A, Williams L, Hanna A, Chen P, Krauss D, Pruetz B, Akervall J, Wilson G. c-Met Expression Is a Marker of Poor Prognosis in Patients With Locally Advanced Head-and-Neck Squamous Cell Carcinoma Treated With Chemoradiation. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2013.11.030] [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: 10/25/2022]
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22
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Copca N, Hanna A, Pivniceru C, Constantinica V, Radilescu G, Gardean G, Campeanu I. Experimental liver transplantation on pigs -- technical considerations. Chirurgia (Bucur) 2013; 108:542-546. [PMID: 23958099] [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] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/01/2013] [Indexed: 06/02/2023]
Abstract
UNLABELLED The purpose was to improve and refine our technique for orthotopic liver transplantation. MATERIAL AND METHOD Experimental interventions were performed on pigs, 26 pairs. Orthotopic transplantation was performed after lavage of the donor pig liver by pressure gradient and transplantation was performed using portocavo- jugular shunt and veno-venous, arterio-arterial and choledocho-choledochal sutures in end-to-end manner. RESULTS Immediate survival was 88.46%. CONCLUSIONS Experimental transplant activity on pigs is of real value, contributing to a faster learning curve and at the same time improving handling, increasing the efficiency of sutures, as well as anesthetic and surgical team building.
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Affiliation(s)
- N Copca
- 2nd Surgical Department of the St. Mary's Hospital, Bucharest, Romania.
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23
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Slomka MJ, Hanna A, Mahmood S, Govil J, Krill D, Manvell RJ, Shell W, Arnold ME, Banks J, Brown IH. Phylogenetic and molecular characteristics of Eurasian H9 avian influenza viruses and their detection by two different H9-specific RealTime reverse transcriptase polymerase chain reaction tests. Vet Microbiol 2012; 162:530-542. [PMID: 23228620 DOI: 10.1016/j.vetmic.2012.11.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2012] [Revised: 10/25/2012] [Accepted: 11/07/2012] [Indexed: 11/30/2022]
Abstract
Avian influenza viruses (AIVs) of the H9 haemagglutinin subtype are endemic in many Asian and Middle-East countries, causing mortality and morbidity in poultry. Consequently there is a need for accurate and sensitive detection of Eurasian H9 subtype viruses. Two H9 RealTime reverse transcriptase polymerase chain reaction (RRT-PCR) tests, developed by Monne et al. (2008) and Ben Shabat et al. (2010), were originally validated with a limited number of H9 specimens. In the present study, the two tests have been assessed using 66 diverse H9 isolates and 139 clinical specimens from six H9 poultry outbreaks in four geographically disparate Eurasian countries. The Monne et al. (2008) test was modified and successfully detected all H9 viruses from all three Eurasian H9 lineages. Bayesian analysis of the clinical specimens' results revealed this test to be more sensitive (97%) than the Ben Shabat et al. (2010) test (31%). The latter test detected most H9 isolates of the G1 lineage, but no isolates from other H9 lineages. Mismatches in the primer/probe binding sequences accounted for sensitivity differences between the two H9 RRT-PCRs. Genetic analysis of 34 sequenced H9 haemagglutinin genes showed the South Asian and Middle-East H9 isolates to belong to the H9 G1 lineage, and possessed residues that appear to preferably bind alpha 2,6-linked sialic acid receptors which indicate a potential for human infection. European H9s clustered phylogenetically in a broader geographical group that includes recent North American H9 wild bird isolates and contemporary Asian viruses in the Y439 H9 lineage.
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Affiliation(s)
- M J Slomka
- Avian Virology, OIE, FAO & EU Avian Influenza Reference Laboratory, Animal Health & Veterinary Laboratories Agency (AHVLA-Weybridge), Woodham Lane, Addlestone, Surrey KT15 3NB, United Kingdom.
| | - A Hanna
- Avian Virology, OIE, FAO & EU Avian Influenza Reference Laboratory, Animal Health & Veterinary Laboratories Agency (AHVLA-Weybridge), Woodham Lane, Addlestone, Surrey KT15 3NB, United Kingdom
| | - S Mahmood
- Avian Virology, OIE, FAO & EU Avian Influenza Reference Laboratory, Animal Health & Veterinary Laboratories Agency (AHVLA-Weybridge), Woodham Lane, Addlestone, Surrey KT15 3NB, United Kingdom
| | - J Govil
- Cranfield University, Cranfield Health, Milton Keynes, MK45 4DT, United Kingdom
| | - D Krill
- Avian Virology, OIE, FAO & EU Avian Influenza Reference Laboratory, Animal Health & Veterinary Laboratories Agency (AHVLA-Weybridge), Woodham Lane, Addlestone, Surrey KT15 3NB, United Kingdom
| | - R J Manvell
- Avian Virology, OIE, FAO & EU Avian Influenza Reference Laboratory, Animal Health & Veterinary Laboratories Agency (AHVLA-Weybridge), Woodham Lane, Addlestone, Surrey KT15 3NB, United Kingdom
| | - W Shell
- Avian Virology, OIE, FAO & EU Avian Influenza Reference Laboratory, Animal Health & Veterinary Laboratories Agency (AHVLA-Weybridge), Woodham Lane, Addlestone, Surrey KT15 3NB, United Kingdom
| | - M E Arnold
- AHVLA Sutton Bonington, The Elms, College Road, Sutton Bonington, Loughborough, LE12 5RB, United Kingdom
| | - J Banks
- Avian Virology, OIE, FAO & EU Avian Influenza Reference Laboratory, Animal Health & Veterinary Laboratories Agency (AHVLA-Weybridge), Woodham Lane, Addlestone, Surrey KT15 3NB, United Kingdom
| | - I H Brown
- Avian Virology, OIE, FAO & EU Avian Influenza Reference Laboratory, Animal Health & Veterinary Laboratories Agency (AHVLA-Weybridge), Woodham Lane, Addlestone, Surrey KT15 3NB, United Kingdom
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Parker CD, Reid SM, Ball A, Cox WJ, Essen SC, Hanna A, Mahmood S, Slomka MJ, Irvine RM, Brown IH. First reported detection of a low pathogenicity avian influenza virus subtype H9 infection in domestic fowl in England. Vet Rec 2012; 171:372. [PMID: 22949546 DOI: 10.1136/vr.100558] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
In December 2010, infection with a H9N1 low pathogenicity avian influenza (LPAI) virus was detected in a broiler breeder flock in East Anglia. Disease suspicion was based on acute drops in egg production in two of four sheds on the premises, poor egg shell quality and evidence of diarrhoea. H9N1 LPAI virus infection was confirmed by real-time reverse transcription PCR. Sequencing revealed high nucleotide identity of 93.6 per cent and 97.9 per cent with contemporary North American H9 and Eurasian N1 genes, respectively. Attempted virus isolation in embryonated specific pathogen free (SPF) fowls' eggs was unsuccessful. Epidemiological investigations were conducted to identify the source of infection and any onward spread. These concluded that infection was restricted to the affected premises, and no contacts or movements of poultry, people or fomites could be attributed as the source of infection. However, the infection followed a period of extremely cold weather and snow which impacted on the biosecurity protocols on site, and also led to increased wild bird activity locally, including waterfowl and game birds around the farm buildings. Analysis of the N1 gene sequence suggested direct introduction from wild birds. Although H9 infection in poultry is not notifiable, H9N2 LPAI viruses have been associated with production and mortality episodes in poultry in many parts of Asia and the Middle East. In the present H9N1 outbreak, clinical signs were relatively mild in the poultry with no mortality, transient impact on egg production and no indication of zoonotic spread. However, this first reported detection of H9 LPAI virus in chickens in England was also the first H9 UK poultry case for 40 years, and vindicates the need for continued vigilance and surveillance of avian influenza viruses in poultry populations.
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Affiliation(s)
- C D Parker
- Slate Hall Veterinary Practice Ltd, Unit 7 Highgate Farm, Over Road, Willingham, Cambridge CB24 5EU, UK.
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Ibrahim M, Turkel-Parrella D, Hanna A, Korya D, Wirkowski E, Kirmani J. Mild Controlled Hypothermia Induction Is Safe and Feasible for the Treatment of Intracranial Hypertension in Patients with Aneurysmal Subarachnoid Hemorrhage (P06.258). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p06.258] [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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Reid SM, Shell WM, Barboi G, Onita I, Turcitu M, Cioranu R, Marinova-Petkova A, Goujgoulova G, Webby RJ, Webster RG, Russell C, Slomka MJ, Hanna A, Banks J, Alton B, Barrass L, Irvine RM, Brown IH. First reported incursion of highly pathogenic notifiable avian influenza A H5N1 viruses from clade 2.3.2 into European poultry. Transbound Emerg Dis 2010; 58:76-8. [PMID: 21054819 DOI: 10.1111/j.1865-1682.2010.01175.x] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This study reports the first incursion into European poultry of H5N1 highly pathogenic notifiable avian influenza A (HPNAI) viruses from clade 2.3.2 that affected domestic poultry and wild birds in Romania and Bulgaria, respectively. Previous occurrences in Europe of HPNAI H5N1 in these avian populations have involved exclusively viruses from clade 2.2. This represents the most westerly spread of clade 2.3.2 viruses, which have shown an apparently expanding range of geographical dispersal since mid-2009 following confirmation of infections in wild waterfowl species in Mongolia and Eastern Russia. During March 2010, AI infection was suspected at post-mortem examination of two hens from two backyard flocks in Tulcea Country, Romania. HPNAI of H5N1 subtype was confirmed by reverse transcription polymerase chain reaction (RT-PCR). A second outbreak was confirmed 2 weeks later by RT-PCR, affecting all hens from another flock located 55 km east of the first cluster. On the same day, an H5N1 HPNAI virus was detected from a pooled tissue sample collected from a dead Common Buzzard found on the Black Sea coast in Bulgaria. Detailed genetic characterization of the haemagglutinin gene revealed the cleavage site of the isolates to be consistent with viruses of high pathogenicity belonging to clade 2.3.2 of the contemporary Eurasian H5N1 lineage. Viruses from a clade other than 2.2 have apparently spread to wild birds, with potential maintenance and spread through such populations. Whilst the scale of threat posed by the apparent westward spread of the clade 2.3.2 viruses remains uncertain, ongoing vigilance for clinical signs of disease as part of existing passive surveillance frameworks for AI, and the prompt reporting of suspect cases in poultry is advised.
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Affiliation(s)
- S M Reid
- OIE, FAO, Veterinary Laboratories Agency-Weybridge, Addlestone, Surrey, UK.
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27
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Welsh MD, Baird PM, Guelbenzu-Gonzalo MP, Hanna A, Reid SM, Essen S, Russell C, Thomas S, Barrass L, McNeilly F, McKillen J, Todd D, Harkin V, McDowell S, Choudhury B, Irvine RM, Borobia J, Grant J, Brown IH. Initial incursion of pandemic (H1N1) 2009 influenza A virus into European pigs. Vet Rec 2010; 166:642-5. [PMID: 20495164 DOI: 10.1136/vr.4851] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
The initial incursion of pandemic (H1N1) 2009 influenza A virus (pH1N1) into a European pig population is reported. Diagnosis of swine influenza caused by pandemic virus was made during September 2009 following routine submission of samples for differential diagnosis of causative agents of respiratory disease, including influenza A virus. All four pigs (aged six weeks) submitted for investigation from a pig herd of approximately 5000 animals in Northern Ireland, experiencing acute-onset respiratory signs in finishing and growing pigs, were positive by immunofluorescence for influenza A. Follow-up analysis of lung tissue homogenates by real-time RT-PCR confirmed the presence of pH1N1. The virus was subsequently detected on two other premises in Northern Ireland; on one premises, detection followed the pre-export health certification testing of samples from pigs presumed to be subclinically infected as no clinical signs were apparent. None of the premises was linked to another epidemiologically. Sequencing of the haemagglutinin and neuraminidase genes revealed high nucleotide identity (>99.4 per cent) with other pH1N1s isolated from human beings. Genotypic analyses revealed all gene segments to be most closely related to those of contemporary pH1N1 viruses in human beings. It is concluded that all three outbreaks occurred independently, potentially as a result of transmission of the virus from human beings to pigs.
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Affiliation(s)
- M D Welsh
- Agri-Food and Biosciences Institute, Veterinary Sciences Division, Stoney Road, Omagh, 43 Beltany Road, Omagh BT78 5NF, UK.
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Constantinoiu S, Hanna A, Bîrlă R, Anghel R, Tavlas E, Mocanu A, Hoară P. [Principles of treatment in locally advanced esophageal squamous cancer]. Chirurgia (Bucur) 2010; 105:7-14. [PMID: 20405674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
The diagnosis established in the symptomatic phase of this disease, most often occurs at advanced stage neoplasia. The purpose of this article is to establish the place and method of surgical and radio-chemo therapy in advanced loco-regional squamous esophageal neoplasm (stage IIB-III). Surgical treatment establishes the best results over long periods of time, however, this is done keeping in mind acceptable morbidity and mortality conditions. Multimodal treatment is encompassed in general efforts to achieve optimal results along with increasing the quantity and quality of life. Neoadjuvant radiochemotherapy (CRT) increases practitioners' possibility of resecting tumors, decreasing their size, and establishing proper means of local (radiotherapy) and systemic (chemotherapy) control. Great efforts are made in finding markers which lead to correct diagnosis and treatment options that will further permit nonresponsive radio and chemo therapy treated patients from experiencing unwanted toxicity. The role of adjuvant therapy is that of decreasing recurrence in patients with residual mediastinal disease after palliative surgical resection. Palliative treatment consists of improving dysphagia, and the quality of life using surgical, endoscopic, photodynamic, laser, radio and chemotherapy as alternatives.
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Affiliation(s)
- S Constantinoiu
- Clinica de Chirurgie Generală si Esofagiană, Spitalul "Sf. Maria", UMF Carol Davila, Bucureşti.
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Cata J, Hanna A, Tetzlaff J, Bishai A, Barsoum S. Spinal anesthesia for a cesarean delivery in a woman with type-2M von Willebrand disease: case report and mini-review. Int J Obstet Anesth 2009; 18:276-9. [DOI: 10.1016/j.ijoa.2009.01.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2008] [Revised: 06/13/2008] [Accepted: 01/10/2009] [Indexed: 11/30/2022]
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Hanna A, Horne P, Yager D, Eckman C, Eckman E, Janus C. Amyloid beta and impairment in multiple memory systems in older transgenic APP TgCRND8 mice. Genes Brain Behav 2009; 8:676-84. [PMID: 19531156 DOI: 10.1111/j.1601-183x.2009.00510.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The relationship between amyloid beta and cognitive dysfunction in mouse models of Alzheimer's disease has been evaluated predominantly with the spatial reference memory version of the water maze task. However, as Alzheimer's disease encompasses decline in multiple memory systems, it is important to also utilize non-spatial tasks to fully characterize the role of amyloid on behaviour in animal models. We used the TgCRND8 mouse model of Alzheimer's disease to evaluate the effect of amyloid on spatial reference memory, as well as on the non-spatial task of acquisition of conditioned taste aversion, and on the procedural task of swimming to a visible platform. We demonstrate that 8- to 12-month-old TgCRND8 mice are significantly impaired in all three tasks, and that the levels of soluble amyloid beta are significantly correlated with impairment in spatial reference memory, but not with impairment in conditioned taste aversion or swimming to a visible platform. Insoluble fractions of amyloid, which correspond closely to amyloid plaque burden in the brain, are not associated with any behavioural measure. Our study extends the characterization of the model to stages of advanced amyloid pathology and demonstrates that older TgCRND8 mice are impaired in multiple memory systems, including procedural tasks, which are spared at younger ages. The lack of association between amyloid plaques and memory decline supports clinical findings in Alzheimer's patients.
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Affiliation(s)
- A Hanna
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL 32224, USA
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Abstract
Thiazolidinediones (TZDs) are relatively new agents for the treatment of type 2 diabetes. They act as agonists at the PPAR-gamma nuclear receptor and their therapeutic effects include decreased insulin resistance and hyperglycaemia, an improved plasma lipid, inflammation and pro-coagulant profile, and amelioration of hypertension, microalbuminuria and hepatic steatosis. The most common side effects of TZDs include weight gain and oedema, with occasional reports of congestive heart failure (CHF). This review discusses the benefit-risk profile of TZDs in treating patients with type 2 diabetes, with particular reference to the heart. To provide context, we explore briefly the epidemiology and pathophysiology of heart failure in patients with type 2 diabetes, touch on the association of heart disease and cardiovascular mortality with antihyperglycaemic treatment modalities other than TZDs, and then focus on the effects of TZDs on the heart, cardiovascular risk factors and outcomes. We describe the cluster of host factors, which seems to predispose patients with type 2 diabetes to TZD-induced or TZD-exacerbated oedema and CHF and then provide an overview of the putative mechanisms of these TZD-related side effects. We also propose that certain diuretics (amiloride and spironolactone), by targeting the distal nephron that expresses PPARgamma in collecting duct cells, might be of benefit in ameliorating the fluid retention and oedema associated with TZDs.
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Affiliation(s)
- R E Buckingham
- Unit for Metabolic Medicine, Department of Diabetes & Endocrinology, Cardiovascular Division, King's College London School of Medicine, Guy's Hospital, King's College London, London UK.
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Lanktree M, Cao H, Rabkin SW, Hanna A, Hegele RA. Novel LMNA mutations seen in patients with familial partial lipodystrophy subtype 2 (FPLD2; MIM 151660). Clin Genet 2007; 71:183-6. [PMID: 17250669 DOI: 10.1111/j.1399-0004.2007.00740.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Shafqat A, Einhorn LH, Hanna N, Sledge GW, Hanna A, Juliar BE, Monahan P, Bhatia S. Screening studies for fatigue and laboratory correlates in cancer patients undergoing treatment. Ann Oncol 2005; 16:1545-50. [PMID: 15919683 DOI: 10.1093/annonc/mdi267] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND To understand the pathogenesis of fatigue in cancer, we conducted a cross-sectional study using Brief Fatigue Inventory (BFI) and Functional Assessment of Cancer Therapy-Fatigue (FACT-F) instruments to measure fatigue and assessed laboratory studies. PATIENTS AND METHODS 174 patients with cancer, who had undergone treatment within the last six months, answered the questionnaires and the Brief Version Zung Self-Rating Depression Scale (BZSDS). Blood samples were drawn for hemoglobin, albumin, thyroid stimulating hormone (TSH), dehydroepiandrosterone-sulfate (DHEAS) and tumor necrosis factor-alpha (TNF- alpha). Testosterone levels were checked in male patients. RESULTS Clinically significant fatigue with BFI > or =4 was present in 52.0% of patients. Measurement of laboratory parameters revealed the following: DHEAS levels <80 mcg/dl in males and <36 mcg/dl in females=54.1%; BZSDS scores > or =27=20.1%; testosterone levels <200 ng/dl=26.4% of male patients. Significant correlations were noted between BFI and FACT-F, albumin levels, hemoglobin levels and BZSDS scores. In addition, for male patients BFI correlated with DHEAS and testosterone levels. In multiple linear regression, hemoglobin, BZSDS scores and current opioid use were associated with response BFI. For male patients, DHEAS <80 mcg/dl, increased BZSDS and testosterone <200 ng/dl were associated with increased BFI. CONCLUSION Fatigue is common in this population and BFI correlates with more extensive measurements. Abnormalities such as decreased testosterone and DHEAS may lead to interventions that can be therapeutically exploited.
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Affiliation(s)
- A Shafqat
- Division of Hematology-Oncology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
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Shafqat A, Titzer ML, Sweeney CJ, Giesler RB, Hanna A, Porter J, Selbe K, Daggy J, Einhorn LH. A phase II study of venlafaxine for the treatment of hot flashes in men undergoing androgen deprivation for prostate cancer. J Clin Oncol 2004. [DOI: 10.1200/jco.2004.22.90140.8148] [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] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
| | | | | | | | - A. Hanna
- Indiana University, Indianapolis, IN
| | - J. Porter
- Indiana University, Indianapolis, IN
| | - K. Selbe
- Indiana University, Indianapolis, IN
| | - J. Daggy
- Indiana University, Indianapolis, IN
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Hougland KT, Hanna A, Meyers R, Null D. 106 INCREASING PREVALENCE OF GASTROSCHISIS IN UTAH. J Investig Med 2004. [DOI: 10.1136/jim-52-suppl1-106] [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: 11/04/2022]
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Soucier RJ, Mirza S, Abordo MG, Berns E, Dalamagas HC, Hanna A, Silverman DI. Predictors of conversion of atrial fibrillation after cardiac operation in the absence of class I or III antiarrhythmic medications. Ann Thorac Surg 2001; 72:694-7; discussion 697-8. [PMID: 11565643 DOI: 10.1016/s0003-4975(01)02817-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [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] [Indexed: 10/17/2022]
Abstract
BACKGROUND Although risk factors for the development of atrial fibrillation (AF) after cardiac operations have been studied extensively, predictors of conversion to sinus rhythm within 24 hours of onset have not been examined. METHODS Eleven hundred consecutive adults undergoing cardiovascular operations from July 1997 to June 1998 were screened for new onset AF after operation. Patients with chronic persistent preoperative AF or those who died within 48 hours of the operation were excluded. RESULTS Three hundred fifty-three patients develop
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Affiliation(s)
- R J Soucier
- The Hoffman Heart Institute, St. Francis Hospital and Medical Center, Hartford, Connecticut 06105, USA.
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Botwin KP, Gruber RD, Bouchlas CG, Torres-Ramos FM, Hanna A, Rittenberg J, Thomas SA. Complications of fluoroscopically guided caudal epidural injections. Am J Phys Med Rehabil 2001; 80:416-24. [PMID: 11399002 DOI: 10.1097/00002060-200106000-00005] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES To assess the incidence of complications of fluoroscopically guided caudal epidural injections. DESIGN A retrospective cohort design study in which chart review was performed on patients, who presented with radiculopathy and received fluoroscopically guided caudal epidural steroid injections. All injections were performed consecutively over a 12-mo period. An independent observer reviewed medical charts, which included a 24-hr post procedure telephone call by an ambulatory surgery center nurse, who asked a standardized questionnaire about complications after the injections. Physician follow-up office notes 1 to 3 wk after injection along with epidurograms were reviewed. RESULTS The charts of 139 patients, who received 257 injections, were reviewed. Complications per injection included 12 episodes of insomnia the night of the injection (4.7%), 9 transient nonpositional headaches that resolved within 24 hr (3.5%), 8 increased back pain (3.1%), 6 facial flushing (2.3%), 2 vasovagal reactions (0.8%), 2 episodes of nausea (0.8%), and 1 increased leg pain (0.4%). No dural punctures occurred. CONCLUSIONS No major complications occurred. The incidence of minor complications was 15.6% per injection. All reactions resolved without morbidity and no patient required hospitalization.
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Affiliation(s)
- K P Botwin
- Florida Spine Institute, Clearwater 33765, USA
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Affiliation(s)
- A Hanna
- Department of Laboratory Medicine and Pathology, University of Alberta, 4B1.24 Walter C. MacKenzie Center, 8440-112 Street, T6G 2B7, Edmonton, Alberta, Canada
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Hanna A, Edan C, Heresbach N, Guegan Y. [Expanding mature pineal teratoma syndrome. Case report]. Neurochirurgie 2000; 46:568-572. [PMID: 11148410] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
We present a case of growing teratoma syndrome of the pineal region. To our knowledge, this is the fourth case reported in the literature. A 13-year-old boy was referred for intracranial hypertension and bilateral papillary edema. CT scan showed a pineal region tumor with obstructive hydrocephalus. After CSF (cerebrospinal fluid) shunting, MRI showed that the tumor had a heterogenous signal enhancement. The tumor marker HCG (human chorionic gonadotrophin) was elevated in CSF and serum. After three cycles of chemotherapy, MRI showed an important increase in tumor size with morphologic modifications. However, HCG in CSF and serum returned to normal. Surgical resection was performed and histological examination of the whole specimen showed mature teratoma. On postoperative MRI, there was a small area of signal enhancement of the left thalamus. Radiotherapy was given. The child was in complete remission 15 months after the diagnosis. Growing teratoma syndrome is a mixed germ cell tumor with a secreting portion that responds to chemotherapy and a non secreting portion of mature teratoma that continues to grow under chemotherapy. The treatment should include chemotherapy for the malignant secreting portion and surgery for the mature teratoma.
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Affiliation(s)
- A Hanna
- Service de Neurochirurgie, CHRU Pontchaillou, 35033 Rennes Cedex 2.
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Engstrom C, Walker D, Kippers V, Hunter J, Hanna A, Buckley R. A prospective study on back injury and muscle morphometry in junior cricket fast bowlers. J Sci Med Sport 1999. [DOI: 10.1016/s1440-2440(99)80020-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Abstract
Pseudohypoxemia has been reported in leukemic patients with extreme leukocytosis, and it is characterized by a low oxygen saturation on arterial blood gas analysis despite normal saturation on pulse oximetry. We report the case of a 51-year-old man with chronic lymphocytic leukemia and an elevated white blood cell (WBC) count after splenectomy, his progressive postoperative pseudohypoxemia gradually improved as the leukocytosis was lowered by chemotherapy. We believe this is the first report to show a statistically significant correlation between the WBC count and the degree of pseudohypoxemia in a patient with leukemia.
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Affiliation(s)
- T F Gorski
- Department of Surgery, North Shore University Hospital, Manhasett, NY, USA
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Abstract
BACKGROUND Anterior screw fixation is the best treatment for odontoid fractures when the fracture line is horizontal or oblique downward and backward, as it preserves atlantoaxial mobility, especially axial rotation. Some details regarding patient positioning and operative technique need to be stressed to obtain the best results and avoid complications. METHODS Between 1989 and 1997, we treated 17 cases of odontoid fracture by anterior screw fixation. Only two patients presented with motor neurologic deficit. Fracture line was horizontal in 3 cases and oblique downward and backward in 14 cases. RESULTS Adequate reduction and fixation was obtained in all cases except one, where posterior displacement of the screw occurred without neurologic complications. Functional result was satisfactory in all cases except two, where we noted significant limitation of cervical rotation. CONCLUSION Successful anterior screw fixation gives the best anatomical and functional results for odontoid fractures. Correct installation is very important for operative success.
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Affiliation(s)
- X Morandi
- Department of Neurosurgery, University of Rennes Hospital, France
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Bosompem KM, Asigbee J, Otchere J, Hanna A, Kpo KH, Kojima S. Accuracy of diagnosis of urinary schistosomosis comparison of parasitological and a monoclonal antibody-based dipstick method. Parasitol Int 1998. [DOI: 10.1016/s1383-5769(98)80621-1] [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: 12/01/2022]
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Abstract
Color and form are elementary stimulus encoding dimensions that have effects on the representation of visual stimuli at early processing stages. Little is known, however, about their effects on visual long-term memory. In three experiments we investigated whether color is part of the memory representation, whether color and form are bound in the memory representation, and the effect of color context on memory performance. Experimental results suggest that color is part of the memory representation and that color and form can be represented separately in memory and accessed independently. We suggest that the binding of color and form is a deliberate strategic act that requires focal attention, not a natural consequence of processing visual stimuli. We compare our results with the predictions of two computational memory models regarding feature binding. The effect of color context was not straightforward; however, results are consistent with the encoding specificity principle.
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Affiliation(s)
- A Hanna
- Virginia Commonwealth University, Richmond 23284, USA.
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Abstract
Are there fundamental differences in the way in which a list of pictures and a list of words are processed? We report three experiments that examine serial position effects for rapidly-presented naturalistic scenes. The experiments provide a basis for comparison with the U-shaped serial position curve and list-length effect which typically result from verbal learning experiments. In contrast to the U-shaped verbal serial position function, our results show a flat function at the beginning serial positions and a recency effect which is small and limited to the last serial position. There is a set-size effect. Results suggest that the processing leading to a memory representation for visual stimuli such as pictures and linguistic stimuli such as words is qualitatively dissimilar. The findings can be accounted for by a serial processing model whose main parameter is the probability that the subject will switch attention from one picture to the next.
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Affiliation(s)
- A Hanna
- Virginia Commonwealth University
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Newman TG, Minkowitz S, Hanna A, Sikand R, Fuleihan F. Coexistent sarcoidosis and HIV infection. A comparison of bronchoalveolar and peripheral blood lymphocytes. Chest 1992; 102:1899-901. [PMID: 1446516 DOI: 10.1378/chest.102.6.1899] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
A case of pulmonary sarcoidosis diagnosed in an human immunodeficiency virus (HIV)-infected man is reported. The transbronchial lung biopsy specimen revealed noncaseating granuloma. A comparison of the lymphocyte subsets in both peripheral blood and bronchoalveolar lavage fluid revealed a pattern more typical of HIV infection than of classic sarcoidosis. A course of prednisone led to improvement in symptoms, roentgenographic findings, lung volumes, and diffusion capacity.
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Affiliation(s)
- T G Newman
- Division of Pulmonary Medicine, Metropolitan Hospital Center, New York 10029
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Hanna A, Hornof V. The combined effect of stirring and oxygen on the graft copolymerization of methyl methacrylate onto cellulose. J Appl Polym Sci 1987. [DOI: 10.1002/app.1987.070330530] [Citation(s) in RCA: 5] [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: 11/10/2022]
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Abstract
Skin thickening simulating scleroderma, or progressive systemic sclerosis, has previously been reported in children and adults with insulin-dependent diabetes mellitus. We have studied eighty-nine patients with insulin-dependent diabetes mellitus and twenty-five normal control subjects. Clinical evidence of skin thickening (diabetic thick skin) was found in 22% of patients with insulin-dependent diabetes mellitus and in 4% of control subjects (p less than 0.05). Full-thickness skin biopsy specimens were taken from the forearm of nine patients with insulin-dependent diabetes mellitus and diabetic thick skin, four patients with insulin-dependent diabetes mellitus and clinically normal skin, four patients with progressive systemic sclerosis, and four normal control subjects. The sections stained with hematoxylin and eosin showed increased thickness of the dermis of the forearm skin in all diabetic patients. In diabetic thick skin the collagen bundles were large, disorganized, and separated by clear spaces. Small amounts of acid mucopolysaccharides were present in the upper reticular dermis of five patients with diabetic thick skin. Electron microscopy of the dermis showed capillary basement membrane thickening in Groups 1, 2, and 3. All patients with diabetic thick skin showed active fibroblasts and extensive collagen polymerization in the rough endoplasmic reticulum. Occasional collagen flowers were noted in all patients with diabetic thick skin. Measurements of 100 collagen fibers in the upper and lower reticular dermis of each biopsy specimen showed predominance of large fibers (greater than 60 nm) in Groups 1 and 2. Unlike scleroderma, diabetic thick skin resulted in small fiber sizes (less than 60 nm) only rarely, and bimodality of fiber sizes was not seen.(ABSTRACT TRUNCATED AT 250 WORDS)
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Hanna A. Nursing care study: more than enough. Nurs Mirror 1984; 158:31-33. [PMID: 6559350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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Hanna A. Sisters' page: teaching what you practise. Nurs Mirror 1983; 157:29. [PMID: 6558626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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