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Metal allergy

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https://www.readbyqxmd.com/read/27894522/nickel-free-vs-conventional-braces-for-patients-allergic-to-nickel-gingival-and-blood-parameters-during-and-after-treatment
#1
Camila Alessandra Pazzini, Luciano José Pereira, Leandro Silva Marques, Joana Ramos-Jorge, Tarcília Aparecida da Silva, Saul Martins Paiva
INTRODUCTION: Allergic and inflammatory reactions have commonly been associated with the release of metal ions during orthodontic treatment. Our objective was to evaluate prospectively gingival and blood status in patients allergic to nickel. METHODS: Allergy to nickel was diagnosed using a patch test. Two groups were established: conventional braces (n = 21) and nickel-free braces (n = 21). The gingival index was used to determine gingival status before treatment, periodically for 12 months (evaluations every 3 months), and 1 month after the removal of the braces...
December 2016: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/27881114/hypersensitivity-reactions-to-metal-implants-laboratory-options
#2
Anna Maria Carossino, Christian Carulli, Simone Ciuffi, Roberto Carossino, Giorgia Donata Zappoli Thyrion, Roberto Zonefrati, Massimo Innocenti, Maria Luisa Brandi
BACKGROUND: All implant compounds undergo an electrochemical process when in contact with biological fluids, as well as mechanical corrosion due to abrasive wear, with production of metal debris that may inhibit repair processes. None of the commonly-used methods can diagnose implant allergies when used singly, therefore a panel of tests should be performed on allergic patients as pre-operative screening, or when a postoperative metal sensitisation is suspected. METHODS: We analysed patients with painful prostheses and subjects prone to allergies using the Patch Test in comparison with the Lymphocyte Transformation Test...
November 23, 2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27826019/molecular-cloning-expression-and-ige-immunoreactivity-of-phospholipase-a1-a-major-allergen-from-polybia-paulista-hymenoptera-vespidae-venom
#3
Amilcar Perez-Riverol, Franco Dani Campos Pereira, Alexis Musacchio Lasa, Luis Gustavo Romani Fernandes, José Roberto Aparecido Dos Santos-Pinto, Débora Lais Justo-Jacomini, Gabriel Oliveira de Azevedo, Murilo Luiz Bazon, Mario Sergio Palma, Ricardo de Lima Zollner, Márcia Regina Brochetto-Braga
Polybia paulista (Hymenoptera: Vespidae) is a clinically relevant social wasp that frequently causes stinging accidents in southeast Brazil. To date, diagnosis and specific immunotherapy (SIT) of allergy are based on the use of crude venom extracts. Production of recombinant forms of major allergens from P. paulista venom will improve diagnosis and SIT of allergic patients by reducing the incidence of cross-reactivity and non-specific sensitization. Here, we describe the molecular cloning, heterologous expression, purification and IgE-mediated immunodetection of phospholipase A1 (Poly p 1), a major allergen from P...
December 15, 2016: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/27824862/delayed-type-hypersensitivity-to-metals-of-environmental-burden-in-patients-with-takotsubo-syndrome-is-there-a-clinical-relevance
#4
Jan Manousek, Vera Stejskal, Petr Kubena, Jiri Jarkovsky, Petr Nemec, Petr Lokaj, Ludmila Dostalova, Andrea Zadakova, Marie Pavlusova, Klara Benesova, Petr Kala, Roman Miklik, Jindrich Spinar, Jiri Parenica
OBJECTIVE: Takotsubo syndrome (TS) is a heart condition characterised by a sudden transient left ventricular dysfunction; its pathophysiology is probably associated with elevated levels of catecholamines but the exact mechanism is not known as yet. Literature and clinical experience suggest that TS affects persons with various comorbidities. This pilot work aims to evaluate the frequency of comorbidities with potential pathological immune reactivity, and to evaluate the potential association between TS and hypersensitivity to metals assessed by LTT-MELISA®...
2016: PloS One
https://www.readbyqxmd.com/read/27811635/systemic-allergic-response-in-the-setting-of-a-metallic-intraorbital-foreign-body-with-intraoperative-magnet-assisted-retrieval
#5
Scott C Cole, Kian Eftekhari, Richard L Anderson, Thomas J Oberg
A 12-year-old boy with a past medical history of nickel allergy was referred to our service after sustaining an air rifle injury with a retained BB in his left inferior orbit. On examination, he had a palpable orbital mass and systemic urticaria. Plain films demonstrated a spherical metallic foreign body adjacent to the left inferior orbital rim. Given his worsening systemic reaction despite oral antihistamine therapy, decision was made to remove the foreign body. In the operating room, the Allergan Magna Finder-a prepackaged, sterile device normally used for retrieval of a port used in tissue expansion surgery-was placed over the inferior conjunctiva of the lower eyelid...
November 2, 2016: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27804135/release-of-nickel-and-chromium-in-common-foods-during-cooking-in-18-10-grade-316-stainless-steel-pots
#6
Fabrizio Guarneri, Chiara Costa, Serafinella P Cannavò, Stefania Catania, Giuseppe D Bua, Concettina Fenga, Giacomo Dugo
BACKGROUND: Literature data on the release of nickel and chromium from stainless steel cookware during food preparation are contrasting, have often been obtained with uncommon foods and/or procedures, and are thus not widely applicable. OBJECTIVES: To assess the release of nickel and chromium from 18/10 (grade 316) stainless steel pots in cooking conditions that are common in an urban lifestyle. METHODS: Tomato sauce and lemon marmalade were cooked for 1 h, alone or with added EDTA, in used or unused stainless steel pots from different manufacturers...
November 1, 2016: Contact Dermatitis
https://www.readbyqxmd.com/read/27779146/variables-affecting-interpretation-of-skin-prick-test-results
#7
Suhan G Nasti Topal, Bilge Fettahlıoğlu Karaman, Varol L Aksungur
BACKGROUND: Both performer- and device-dependent variabilities have been reported in sizes of wheal responses to skin prick tests. OBJECTIVE: We aimed to evaluate whether or not variabilities in sizes of wheal responses influence the final interpretation of skin prick tests; in other words, the decision on whether or not there is an allergy to a given antigen. METHODS: Skin prick tests with positive and negative controls and extracts of Dermatophagoides farinae and Dermatophagoides pteronyssinus were done for 69 patients by two different persons, using two different puncturing devices- disposable 22-gauge hypodermic needles and metal lancets...
October 24, 2016: Indian Journal of Dermatology, Venereology and Leprology
https://www.readbyqxmd.com/read/27734174/medical-surveillance-and-long-term-prognosis-of-occupational-allergy-due-to-platinum-salts
#8
Rolf Merget, Ngoc Pham, Maike Schmidtke, Swaantje Casjens, Vera van Kampen, Ingrid Sander, Olaf Hagemeyer, Kirsten Sucker, Monika Raulf, Thomas Brüning
PURPOSE: Medical surveillance of workers in precious metals refineries and catalyst production plants is well established in many countries as a measure to prevent occupational asthma due to platinum (Pt) salts. It was the aim of this study to evaluate the impact of medical surveillance and to define prognostic factors with an emphasis on exposure determinants. METHODS: As part of an observational longitudinal study, 96 workers from German precious metals refineries and catalyst production plants with Pt salt allergy underwent a second examination several years (median 67 months) after the initial diagnosis was made...
October 12, 2016: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/27664658/determination-of-nickel-in-hydrogenated-fats-and-selected-chocolate-bars-in-czech-republic
#9
Lucie Dohnalova, Pavel Bucek, Petr Vobornik, Vlastimil Dohnal
Nickel is a metal that can be present in products containing hardened edible oils, possibly as leftover catalyst from the vegetable oil hardening process. Nickel may cause toxic effects including the promotion of cancer and contact allergy. In this work, nickel content was determined in hydrogenated vegetable fats and confectionery products, made with these fats, available on the Czech market using newly developed method combining microwave digestion and graphite furnace AAS. While concentrations of 0.086±0...
February 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27621487/anticoagulant-and-antiplatelet-prescribing-patterns-for-patients-with-atrial-fibrillation-after-percutaneous-coronary-intervention
#10
Erin A Woods, Margaret L Ackman, Michelle M Graham, Sheri L Koshman, Rosaleen M Boswell, Arden R Barry
BACKGROUND: Current guidelines recommend triple antithrombotic therapy (TAT), defined as acetylsalicylic acid (ASA), clopidogrel, and warfarin, for patients with nonvalvular atrial fibrillation who have undergone percutaneous coronary intervention with stent implantation. The choice of anticoagulant/antiplatelet therapy in this population is ambiguous and complex, and prescribing patterns are not well documented. OBJECTIVE: To characterize local prescribing patterns for anticoagulant/antiplatelet therapy after percutaneous coronary intervention in patients with nonvalvular atrial fibrillation...
July 2016: Canadian Journal of Hospital Pharmacy
https://www.readbyqxmd.com/read/27618598/flavour-and-identification-threshold-detection-overview-of-slovak-adepts-for-certified-testing
#11
VladimIr Vietoris, Petra Barborova, Jana Jancovicova, Lucia Eliasova, Marian Karvaj
OBJECTIVES: During certification process of sensory assessors of Slovak certification body we obtained results for basic taste thresholds and lifestyle habits. MATERIALS AND METHODS: 500 adult people were screened during experiment with food industry background. For analysis of basic and non basic tastes, we used standardized procedure of ISO 8586-1:1993. RESULTS: In flavour test experiment, group of (26-35 y.o) produced the lowest error ratio (1...
July 16, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/27593358/the-reactivity-of-the-back-revisited-are-there-differences-in-reactivity-in-different-parts-of-the-back
#12
Ann-Kristin Björk, Magnus Bruze, Malin Engfeldt, Christel Nielsen, Cecilia Svedman
BACKGROUND: In the contact dermatitis literature, it is regularly stated that the patch test reactivity on various areas of the back differs; this might have a large impact on the reproducibility of patch testing. OBJECTIVES: To investigate the reproducibility of patch testing on the upper back with regard to the left as opposed to the right side and the medial as opposed to the lateral part of the upper back. The reproducibility over time and with regard to the reactivity pattern was also investigated...
September 4, 2016: Contact Dermatitis
https://www.readbyqxmd.com/read/27591452/-nickel-role-in-human-organism-and-toxic-effects
#13
REVIEW
Zygmunt Zdrojewicz, Ewa Popowicz, Jacek Winiarski
The aim of this study is to familiarize the Role of nickel in the Environment and in living organisms. This metal is widely used in many fields such as electrical engineering, medicine, Jewellery or Automotive Industry. Furthermore, it's an important part of our food. As the central atom of bacterial enzymes it participates in degradation of urea.. Nickel is also an micronutritient essential for proper functioning of the human body, as it increases hormonal activity and is involved in lipid metabolism. This metal makes it's way to the human body through respiratory tract, digestive system and skin...
August 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/27590657/-nickel-role-in-human-organism-and-toxic-effects
#14
REVIEW
Zygmunt Zdrojewicz, Ewa Popowicz, Jacek Winiarski
The aim of this study is to familiarize the Role of nickel in the Environment and in living organisms. This metal is widely used in many fields such as electrical engineering, medicine, Jewellery or Automotive Industry. Furthermore, it's an important part of our food. As the central atom of bacterial enzymes it participates in degradation of urea.. Nickel is also an micronutritient essential for proper functioning of the human body, as it increases hormonal activity and is involved in lipid metabolism. This metal makes it's way to the human body through respiratory tract, digestive system and skin...
July 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/27587983/unmet-diagnostic-needs-in-contact-oral-mucosal-allergies
#15
REVIEW
Paola Lucia Minciullo, Giovanni Paolino, Maddalena Vacca, Sebastiano Gangemi, Eustachio Nettis
The oral mucosa including the lips is constantly exposed to several noxious stimuli, irritants and allergens. However, oral contact pathologies are not frequently seen because of the relative resistance of the oral mucosa to irritant agents and allergens due to anatomical and physiological factors. The spectrum of signs and symptoms of oral contact allergies (OCA) is broad and a large number of condition can be the clinical expression of OCA such as allergic contact stomatitis, allergic contact cheilitis, geographic tongue, oral lichenoid reactions, burning mouth syndrome...
2016: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/27584966/dyshidrotic-eczema-and-its-relationship-to-metal-allergy
#16
Aya Nishizawa
Dyshidrotic eczema, also known as dyshidrotic dermatitis or pompholyx, is characterized by pruritic, small tense vesicles mainly on the palmoplantar region and lateral and ventral surfaces of the fingers. While its etiology appears to be related to sweating, as dyshidrotic eczema often occurs in an individual with hyperhidrosis, and the spring allergy season, histologic examination shows an eczematous reaction around the sweat ducts which is not associated with abnormalities of the sweat ducts. More recently, the nomenclature of 'acute and recurrent vesicular hand dermatitis' has been proposed to reflect clinical features of dyshidrotic eczema...
2016: Current Problems in Dermatology
https://www.readbyqxmd.com/read/27479204/gold-coated-pacemaker-implantation-for-a-patient-with-type-iv-allergy-to-titanium
#17
Alexander Kypta, Hermann Blessberger, Michael Lichtenauer, Thomas Lambert, Juergen Kammler, Clemens Steinwender
A 65-year-old man was scheduled for pacemaker implantation for symptomatic sick-sinus-syndrome (SSS). He suffered from multiple drug-allergies and allergies to several metals like quicksilver and titanium. Gold-coated pacemaker generators and polyurethane leads are effective in avoiding allergic reactions to pacing system components. Therefore, we decided to implant a custom-made gold-coated DDDR-pacemaker generator and polyurethane leads.
November 2015: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/27477170/atopic-and-non-atopic-eczema
#18
REVIEW
Michał Rożalski, Lidia Rudnicka, Zbigniew Samochocki
Atopic dermatitis is a common term used in the medical literature, but according to The Nomenclature Review Committee Of The World Allergy Organization the name which should be used is eczema. Eczema is divided into two subtypes: atopic and non-atopic. These subtypes differ in the level of total immunoglobulin E (IgE) in serum, response to allergens in skin prick tests, and detection of specific IgE antibodies. Non-atopic eczema is characterized by a low level of total IgE, negative skin prick tests, and undetectable specific IgE antibodies...
June 2016: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/27452194/involvement-of-cox-2-in-nickel-elution-from-a-wire-implanted-subcutaneously-in-mice
#19
Taiki Sato, Yu Kishimoto, Sanki Asakawa, Natsumi Mizuno, Masahiro Hiratsuka, Noriyasu Hirasawa
Many types of medical alloys include nickel (Ni), and the elution of Ni ions from these materials causes toxicities and inflammation. We have previously reported that inflammation enhances Ni elution, although the molecular mechanisms underlying this effect remain unclear. In this study, we investigated how inflammatory responses enhanced Ni elution in a wire-implantation mouse model. Subcutaneous implantation of Ni wire induced the expression of cyclooxygenase-2 (COX-2) and microsomal prostaglandin E synthase-1 (mPGES-1) mRNA in the surrounding tissues...
July 1, 2016: Toxicology
https://www.readbyqxmd.com/read/27425173/heavy-metal-and-tattoo-an-allergy-and-legislative-problem
#20
A Tammaro, G Cortesi, F Pigliacelli, F R Parisella, F Persechino, G De Marco, S Persechino
We presented an interesting clinical case of a 23 years old man presented with a 2-week history of pruritus, erythema and papules on legs, arms and trunk. These lesions developed 2 months after tattooing. It showed positive patch test reaction to Copper and Disperse Blu.
July 2016: European Annals of Allergy and Clinical Immunology
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