October 2013
Total Page:16
File Type:pdf, Size:1020Kb
Load more
Recommended publications
-
3628-3641-Pruritus in Selected Dermatoses
Eur opean Rev iew for Med ical and Pharmacol ogical Sci ences 2016; 20: 3628-3641 Pruritus in selected dermatoses K. OLEK-HRAB 1, M. HRAB 2, J. SZYFTER-HARRIS 1, Z. ADAMSKI 1 1Department of Dermatology, University of Medical Sciences, Poznan, Poland 2Department of Urology, University of Medical Sciences, Poznan, Poland Abstract. – Pruritus is a natural defence mech - logical self-defence mechanism similar to other anism of the body and creates the scratch reflex skin sensations, such as touch, pain, vibration, as a defensive reaction to potentially dangerous cold or heat, enabling the protection of the skin environmental factors. Together with pain, pruritus from external factors. Pruritus is a frequent is a type of superficial sensory experience. Pruri - symptom associated with dermatoses and various tus is a symptom often experienced both in 1 healthy subjects and in those who have symptoms systemic diseases . Acute pruritus often develops of a disease. In dermatology, pruritus is a frequent simultaneously with urticarial symptoms or as an symptom associated with a number of dermatoses acute undesirable reaction to drugs. The treat - and is sometimes an auxiliary factor in the diag - ment of this form of pruritus is much easier. nostic process. Apart from histamine, the most The chronic pruritus that often develops in pa - popular pruritus mediators include tryptase, en - tients with cholestasis, kidney diseases or skin dothelins, substance P, bradykinin, prostaglandins diseases (e.g. atopic dermatitis) is often more dif - and acetylcholine. The group of atopic diseases is 2,3 characterized by the presence of very persistent ficult to treat . Persistent rubbing, scratching or pruritus. -
Aquagenic Pruritus: First Manifestation of *Corresponding Author Polycythemia Vera Jacek C
DERMATOLOGY ISSN 2473-4799 http://dx.doi.org/10.17140/DRMTOJ-1-102 Open Journal Mini Review Aquagenic Pruritus: First Manifestation of *Corresponding author Polycythemia Vera Jacek C. Szepietowski, MD, PhD Department of Dermatology Venereology and Allergology Wroclaw Medical University Edyta Lelonek, MD; Jacek C. Szepietowski, MD, PhD* Ul. Chalubinskiego 1 50-368 Wroclaw, Poland E-mail: [email protected] Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, Wroclaw, Poland Volume 1 : Issue 1 Article Ref. #: 1000DRMTOJ1102 ABSTRACT Article History Aquagenic Pruritus (AP) can be a first symptom of systemic disease; especially strong th Received: January 25 , 2016 correlation with myeloproliferative disorders was described. In Polycythemia Vera (PV) pa- th Accepted: February 18 , 2016 tients its prevalence varies from 31% to 69%. In almost half of the cases AP precedes the th Published: February 19 , 2016 diagnosis of PV and has significant influence on sufferers’ quality of life. Due to the lack of the insight in pathogenesis of AP the treatment is still largely experiential. However, the new Citation JAK1/2 inhibitors showed promising results in management of AP among PV patients. Lelonek E, Szepietowski JC. Aqua- genic pruritus: first manifestation of polycythemia vera. Dermatol Open J. KEYWORDS: Aquagenic pruritus; Polycythemia vera; JAK inhibitors. 2016; 1(1): 3-5. doi: 10.17140/DRM- TOJ-1-102 Aquagenic pruritus (AP) is a skin condition characterized by the development of in- tense itching without observable skin lesions and evoked by contact with water at any tempera- ture. Its prevalence varies from 31% to 69% in Polycythemia vera (PV) patients.1,2,3 It has sig- nificant influence on sufferers’ quality of life and can exert a psychological effect to the extent of abandoning bathing or developing phobia to bathing. -
The Itch New Yorker 2008
The New Yorker June 30, 2008 Annals of Medicine The Itch Its mysterious power may be a clue to a new theory about brains and bodies. by Atul Gawande It was still shocking to M. how much a few wrong turns could change your life. She had graduated from Boston College with a degree in psychology, married at twenty-five, and had two children, a son and a daughter. She and her family settled in a town on Massachusetts’ southern shore. She worked for thirteen years in health care, becoming the director of a residence program for men who’d suffered severe head injuries. But she and her husband began fighting. There were betrayals. By the time she was thirty-two, her marriage had disintegrated. In the divorce, she lost possession of their home, and, amid her financial and psychological struggles, she saw that she was losing her children, too. Within a few years, she was drinking. She began dating someone, and they drank together. After a while, he brought some drugs home, and she tried them. The drugs got harder. Eventually, they were doing heroin, which turned out to be readily available from a street dealer a block away from her apartment. One day, she went to see a doctor because she wasn’t feeling well, and learned that she had contracted H.I.V. from a contaminated needle. She had to leave her job. She lost visiting rights with her children. And she developed complications from the H.I.V., including shingles, which caused painful, blistering sores across her scalp and forehead. -
Psychiatric Comorbidities in Non-Psychogenic Chronic Itch, a US
1/4 CLINICAL REPORT Psychiatric Comorbidities in Non-psychogenic Chronic Itch, a US- DV based Study 1 1 1 1 1 2 cta Rachel Shireen GOLPANIAN , Zoe LIPMAN , Kayla FOURZALI , Emilie FOWLER , Leigh NATTKEMPER , Yiong Huak CHAN and Gil YOSIPOVITCH1 1 2 A Department of Dermatology and Cutaneous Surgery, and Itch Center University of Miami Miller School of Medicine, Miami, USA, and Clinical Trials and Epidemiology Research Unit, Singapore Research suggests that itch and psychiatric diseases SIGNIFICANCE are intimately related. In efforts to examine the preva- lence of psychiatric diagnoses in patients with chronic The primary aim of this study was to examine the preva- itch not due to psychogenic causes, we conducted a lence of psychiatric diagnoses in patients with chronic itch retrospective chart review of 502 adult patients diag- that is not due to psychogenic causes. The secondary aim nosed with chronic itch in an outpatient dermatology of this study was to determine whether psychiatric diagno- clinic specializing in itch and assessed these patients ses have any correlation to specific itch characteristics such enereologica for a co-existing psychiatric disease. Psychiatric di- as itch intensity, or if there are any psychiatric-specific di- V sease was identified and recorded based on ICD-10 seases this patient population is more prone to. This infor- codes made at any point in time which were recor- mation will not only allow us to better understand the po- ded in the patient’s electronic medical chart, which tential factors underlying the presentation of chronic itch, includes all medical department visits at the Univer- but also allow us to provide these patients with more holis- ermato- sity of Miami. -
European Guideline Chronic Pruritus Final Version
EDF-Guidelines for Chronic Pruritus In cooperation with the European Academy of Dermatology and Venereology (EADV) and the Union Européenne des Médecins Spécialistes (UEMS) E Weisshaar1, JC Szepietowski2, U Darsow3, L Misery4, J Wallengren5, T Mettang6, U Gieler7, T Lotti8, J Lambert9, P Maisel10, M Streit11, M Greaves12, A Carmichael13, E Tschachler14, J Ring3, S Ständer15 University Hospital Heidelberg, Clinical Social Medicine, Environmental and Occupational Dermatology, Germany1, Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, Poland2, Department of Dermatology and Allergy Biederstein, Technical University Munich, Germany3, Department of Dermatology, University Hospital Brest, France4, Department of Dermatology, Lund University, Sweden5, German Clinic for Diagnostics, Nephrology, Wiesbaden, Germany6, Department of Psychosomatic Dermatology, Clinic for Psychosomatic Medicine, University of Giessen, Germany7, Department of Dermatology, University of Florence, Italy8, Department of Dermatology, University of Antwerpen, Belgium9, Department of General Medicine, University Hospital Muenster, Germany10, Department of Dermatology, Kantonsspital Aarau, Switzerland11, Department of Dermatology, St. Thomas Hospital Lambeth, London, UK12, Department of Dermatology, James Cook University Hospital Middlesbrough, UK13, Department of Dermatology, Medical University Vienna, Austria14, Department of Dermatology, Competence Center for Pruritus, University Hospital Muenster, Germany15 Corresponding author: Elke Weisshaar -
Etiology, Classification, and Treatment of Urticaria
CONTINUING MEDICAL EDUCATION Etiology, Classification, and Treatment of Urticaria Kjetil Kristoffer Guldbakke, MD; Amor Khachemoune, MD, CWS GOAL To understand urticaria to better manage patients with the condition OBJECTIVES Upon completion of this activity, dermatologists and general practitioners should be able to: 1. Discuss the clinical classification of urticaria. 2. Recognize how to diagnose urticaria. 3. Identify treatment options. CME Test on page 50. This article has been peer reviewed and approved Einstein College of Medicine is accredited by by Michael Fisher, MD, Professor of Medicine, the ACCME to provide continuing medical edu- Albert Einstein College of Medicine. Review date: cation for physicians. December 2006. Albert Einstein College of Medicine designates This activity has been planned and imple- this educational activity for a maximum of 1 AMA mented in accordance with the Essential Areas PRA Category 1 CreditTM. Physicians should only and Policies of the Accreditation Council for claim credit commensurate with the extent of their Continuing Medical Education through the participation in the activity. joint sponsorship of Albert Einstein College of This activity has been planned and produced in Medicine and Quadrant HealthCom, Inc. Albert accordance with ACCME Essentials. Drs. Guldbakke and Khachemoune report no conflict of interest. The authors discuss off-label use of colchi- cine, cyclophosphamide, cyclosporine, dapsone, intravenous immunoglobulin, methotrexate, montelukast sodium, nifedipine, plasmapheresis, rofecoxib, sulfasalazine, tacrolimus, thyroxine, and zafirlukast. Dr. Fisher reports no conflict of interest. Urticaria is among the most common skin dis- autoimmune mechanisms are now recognized as a eases. It can be acute, chronic, mediated by a cause of chronic urticaria. A search of the PubMed physical stimulus, or related to contact with an database (US National Library of Medicine) for urticant. -
Antihistamines in the Treatment of Chronic Urticaria I Jáuregui,1 M Ferrer,2 J Montoro,3 I Dávila,4 J Bartra,5 a Del Cuvillo,6 J Mullol,7 J Sastre,8 a Valero5
Antihistamines in the treatment of chronic urticaria I Jáuregui,1 M Ferrer,2 J Montoro,3 I Dávila,4 J Bartra,5 A del Cuvillo,6 J Mullol,7 J Sastre,8 A Valero5 1 Service of Allergy, Hospital de Basurto, Bilbao, Spain 2 Department of Allergology, Clínica Universitaria de Navarra, Pamplona, Spain 3 Allergy Unit, Hospital La Plana, Villarreal (Castellón), Spain 4 Service of Immunoallergy, Hospital Clínico, Salamanca, Spain 5 Allergy Unit, Service of Pneumology and Respiratory Allergy, Hospital Clínic (ICT), Barcelona, Spain 6 Clínica Dr. Lobatón, Cádiz, Spain 7 Rhinology Unit, ENT Service (ICEMEQ), Hospital Clínic, Barcelona, Spain 8 Service of Allergy, Fundación Jiménez Díaz, Madrid, Spain ■ Summary Chronic urticaria is highly prevalent in the general population, and while there are multiple treatments for the disorder, the results obtained are not completely satisfactory. The second-generation H1 antihistamines remain the symptomatic treatment option of choice. Depending on the different pharmacokinetics and H1 receptor affi nity of each drug substance, different concentrations in skin can be expected, together with different effi cacy in relation to the histamine-induced wheal inhibition test - though this does not necessarily have repercussions upon clinical response. The antiinfl ammatory properties of the H1 antihistamines could be of relevance in chronic urticaria, though it is not clear to what degree they infl uence the fi nal therapeutic result. Before moving on to another therapeutic level, the advisability of antihistamine dose escalation should be considered, involving increments even above those approved in the Summary of Product Characteristics. Physical urticaria, when manifesting isolatedly, tends to respond well to H1 antihistamines, with the exception of genuine solar urticaria and delayed pressure urticaria. -
Urticaria and Angioedema
Skin tests may be performed to determine the substance that you are allergic to. Routine blood tests are done to determine if a systemic illness is present. Urticaria and Treatment for Urticaria and Angioedema Angioedema • The best treatment for hives and angioedema is to identify and remove the trigger, but this is often a hard task. • Antihistamines block the effect of histamine, and can reduce itching and rash in most cases. Antihistamines may be needed for as long as the urticaria persists. Reports of serious side effects of antihistamines are very rare. Allergy Centre • A low histamine diet can help to reduce exogenous histamine derived from foods, which helps in some cases. To find out more about a low histamine diet, please contact our dietitian. 過敏病科中心 • Oral corticosteroids may be prescribed. • For a severe hives or angioedema outbreak, an injection of adrenaline or a steroid medication may be needed. • Other immunosuppressant such as cyclosporin may be beneficial in severe cases for long term control. For enquiries and appointments, Tips to Manage Urticaria and please contact us at: Angioedema Allergy Centre • Avoid hot water; use lukewarm water 9/F, Li Shu Pui Block • Use gentle, mild soap Hong Kong Sanatorium & Hospital 2 Village Road, Happy Valley, Hong Kong • Apply cool compresses or wet cloths to the affected areas Tel: 2835 8430 Fax: 2892 7565 • Try to work and sleep in a cool room Email: [email protected] • Wear loose-fitting lightweight clothes Service Hours • Avoid foods that are fermented or high in colorings Mon, Tue, Thu & Fri : 9:00 am – 6:00 pm ALC.038I.H/E-03-102017 and preservatives Wed & Sat : 9:00 am – 1:00 pm 過敏病科中心 • Keep a food dairy to identify any specific food triggers Closed on Sundays and Public Holidays www.hksh-hospital.com Allergy Centre A member of HKSH Medical Group © Hong Kong Sanatorium & Hospital Limited. -
10 Chronic Urticaria As an Autoimmune Disease
10 Chronic Urticaria as an Autoimmune Disease Michihiro Hide, Malcolm W. Greaves Introduction Urticaria is conventionally classified as acute, intermittent and chronic (Grea- ves 2000a). Acute urticaria which frequently involves an IgE-mediated im- munological mechanism, is common, its causes often recognised by the patient, and will not be considered further. Intermittent urticaria – frequent bouts of unexplained urticaria at intervals of weeks or months – will be dis- cussed here on the same basis as ‘ordinary’ chronic urticaria. The latter is conventionally defined as the occurrence of daily or almost daily whealing for at least six weeks. The etiology of chronic urticaria is usually obscure. The different clinical varieties of chronic urticaria will be briefly considered here, and attention will be devoted to a newly emerged entity – autoimmune chronic urticaria, since establishing this diagnosis has conceptual, prognostic and the- rapeutic implications. Contact urticaria and angioedema without urticaria will not be dealt with in this account. Classification of Chronic Urticaria The clinical subtypes of chronic urticaria are illustrated in the pie-chart of Fig. 1. The frequency of these subtypes is based upon the authors’ experience at the St John’s Institute of Dermatology in UK. Whilst there may well be mi- nor differences, it is likely that the frequency distribution of these subtypes will be essentially similar in most centres in Europe and North America (Grea- ves 1995, 2000b). However, our experience suggests that the incidence of angioedema, especially that complicated by ordinary chronic urticaria is sub- stantially lower in Japan and south Asian countries (unpublished observation). 310 Michihiro Hide and Malcolm W. -
Urticaria and Angioedema
Urticaria and Angioedema This guideline, developed by Robbie Pesek, MD and Allison Burbank, MD, in collaboration with the ANGELS team, on July 23, 2013, is a significantly revised version of the guideline originally developed by Jeremy Bufford, MD. Last reviewed by Robbie Pesek, MD September 14, 2016. Key Points Urticaria and angioedema are common problems and can be caused by both allergic and non- allergic mechanisms. Prompt diagnosis of hereditary angioedema (HAE) is important to prevent morbidity and mortality. Several new therapeutic options are now available. Patients with urticaria and/or angioedema should be referred to an allergist/immunologist for symptoms that are difficult to control, suspicion of HAE, or to rule out suspected allergic triggers. Definition, Assessment, and Diagnosis Definitions Urticaria is a superficial skin reaction consisting of erythematous, raised, blanching, well- circumscribed or confluent pruritic, edematous wheals, often with reflex erythema.1-3 Urticarial lesions are typically pruritic, and wax/wane with resolution of individual lesions within 24 hours. Angioedema is localized swelling of deep dermal, subcutaneous, or submucosal tissue resulting from similar vascular changes that contribute to urticaria.1,2 Angioedema may be pruritic and/or painful and can last for 2-3 days depending on etiology.3 1 Urticaria alone occurs in 50% of patients and is associated with angioedema in 40% of patients. Isolated angioedema occurs in 10% of patients.1,2 Hereditary angioedema (HAE) is a disorder involving defects in complement, coagulation, kinin, and fibrinolytic pathways that results in recurrent episodes of angioedema without urticaria, usually affecting the skin, upper airway, and gastrointestinal tract.4 In children, acute urticaria is more common than chronic forms. -
Urticaria and Angioedema
URTICARIA AND ANGIOEDEMA What are the aims of this leaflet? This leaflet has been written to help you understand more about urticaria and angioedema. It tells you what they are, what causes them, what you can do about them, and where you can find out more about them. What is urticaria and angioedema? Urticaria is common, and affects about 20% of people at some point in their lives. It is also known as hives or nettle rash. The short-lived swellings of urticaria are known as weals (see below) and typically any individual spot will clear within 24 hours although the overall rash may last for longer. Angioedema is a form of urticaria in which there is deeper swelling in the skin, and the swelling may take longer than 24 hours to clear. An affected individual may have urticaria alone, angioedema alone, or both together. Both are caused by the release of histamine from cells in the skin called mast cells. When angioedema occurs in association with urticaria, the two conditions can be considered part of the same process. When angioedema occurs on its own, different causes need to be considered. There are different types of urticaria of which the most common form is called ‘ordinary or idiopathic urticaria’. In this type no cause is usually identified and often patients have hives and angioedema occurring together. Ordinary urticaria with or without angioedema is usually divided into ‘acute’ and ‘chronic’ forms. In ‘acute’ urticaria/angioedema, the episode lasts from a few days up to six weeks. Chronic urticaria, by definition, lasts for more than six weeks. -
5 Allergic Diseases (And Differential Diagnoses)
Chapter 5 5 Allergic Diseases (and Differential Diagnoses) 5.1 Diseases with Possible IgE Involve- tions (combination of type I and type IVb reac- ment (“Immediate-Type Allergies”) tions). Atopic eczema will be discussed in a separate section (see Sect. 5.5.3). There are many allergic diseases manifesting in The maximal manifestation of IgE-mediated different organs and on the basis of different immediate-type allergic reaction is anaphylax- pathomechanisms (see Sect. 1.3). The most is. In the development of clinical symptoms, common allergies develop via IgE antibodies different organs may be involved and symp- and manifest within minutes to hours after al- toms of well-known allergic diseases of skin lergen contact (“immediate-type reactions”). and mucous membranes [also called “shock Not infrequently, there are biphasic (dual) re- fragments” (Karl Hansen)] may occur accord- action patterns when after a strong immediate ing to the severity (see Sect. 5.1.4). reactioninthecourseof6–12harenewedhy- persensitivity reaction (late-phase reaction, LPR) occurs which is triggered by IgE, but am- 5.1.1 Allergic Rhinitis plified by recruitment of additional cells and 5.1.1.1 Introduction mediators.TheseLPRshavetobedistin- guished from classic delayed-type hypersensi- Apart from being an aesthetic organ, the nose tivity (DTH) reactions (type IV reactions) (see has several very interesting functions (Ta- Sect. 5.5). ble 5.1). It is true that people can live without What may be confusing for the inexperi- breathing through the nose, but disturbance of enced physician is familiar to the allergist: The this function can lead to disease. Here we are same symptoms of immediate-type reactions interested mostly in defense functions against are observed without immune phenomena particles and irritants (physical or chemical) (skin tests or IgE antibodies) being detectable.