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Conner JE, Steinberg JA. Approach to Idiopathic Anaphylaxis in Adolescents. Med Clin North Am 2024; 108:123-155. [PMID: 37951646 DOI: 10.1016/j.mcna.2023.05.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
Anaphylaxis is a potentially-life threatening condition. Adolescents are particularly vulnerable due to increased risk-taking behaviors, poor disease management, and minimized perception of risk. Although most anaphylaxis can be attributed to food, drug, or venom allergy via a detailed history and confirmatory studies, in nearly 1 in 5 cases, the cause may not be obvious. Clinical differentials including rare allergens, cofactors, mast-cell disorders, and mimic disorders can increase the likelihood of discovering of the cause of anaphylaxis.
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Affiliation(s)
- Jeanne E Conner
- Division of Allergy and Clinical Immunology, Department of Pediatrics, Medical College of Wisconsin, 9000 West Wisconsin Avenue. B440, Milwaukee, WI 53226, USA
| | - Joshua A Steinberg
- Division of Allergy and Clinical Immunology, Department of Pediatrics, Medical College of Wisconsin, 9000 West Wisconsin Avenue. B440, Milwaukee, WI 53226, USA; Section of Allergy, Department of Medicine, Clement J. Zablocki Veterans' Affairs Medical Center, 5000 West National Avenue, 1AN, Milwaukee, WI 53295, USA.
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Abstract
Introduction: Idiopathic anaphylaxis (IA) is a diagnosis of exclusion and is based on the inability to identify a causal relationship between a trigger and an anaphylactic event, despite a detailed patient history and careful diagnostic assessment. The prevalence of IA among the subset of people who experienced anaphylaxis is challenging to estimate and varies widely, from 10 to 60%; most commonly noted is ∼20% in the adult anaphylactic population. Comorbid atopic conditions, such as food allergy, allergic rhinitis, and asthma, are present in up to 48% of patients with IA. Improved diagnostic technologies and an increased understanding of conditions that manifest with symptoms associated with anaphylaxis have improved the ability to determine a more accurate diagnosis for patients who may have been initially diagnosed with IA. Methods: Literature search was conducted on PubMed, Google Scholar and Embase. Results: Galactose-α-1,3-galactose (α-gal) allergy, mast cell disorders, and hereditary a-tryptasemia are a few differential diagnoses that should be considered in patients with IA. Unlike food allergy, when anaphylaxis occurs within minutes to 2 hours after allergen consumption, α-gal allergy is a 3-6-hour delayed immunoglobulin E-mediated anaphylactic reaction to a carbohydrate epitope found in red meat (e.g., beef, lamb, pork). The more recently described hereditary α-tryptasemia is an inherited autosomal dominant genetic trait caused by increased germline copies of tryptase human gene alpha-beta 1 (TPSAB1), which encodes α tryptase and is associated with elevated baseline serum tryptase. Acute management of IA consists of carrying an epinephrine autoinjector to be administered immediately at the first signs of anaphylaxis. Long-term management for IA with antihistamines and other agents aims to potentially reduce the frequency and severity of the anaphylactic reactions, although the evidence is limited. Biologics are potentially steroid-sparing for patients with IA; however, more research on IA therapies is needed. Conclusion: The lack of diagnostic criteria, finite treatment options, and intricacies of making a differential diagnosis make IA challenging for patients and clinicians to manage.
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Affiliation(s)
- Alyssa G. Burrows
- From the Allergy Research Unit, Kingston Health Sciences Center - KGH Site, Kingston, Ontario, Canada
| | - Anne K. Ellis
- From the Allergy Research Unit, Kingston Health Sciences Center - KGH Site, Kingston, Ontario, Canada
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Sanchez-Valenzuela MC, Garcia-Saucedo JC, Motoa G, Carrillo-Martin I, Gonzalez-Estrada A. Treatment of idiopathic anaphylaxis with omalizumab. Ann Allergy Asthma Immunol 2019; 123:612-613. [PMID: 31568858 DOI: 10.1016/j.anai.2019.09.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 09/17/2019] [Accepted: 09/22/2019] [Indexed: 12/01/2022]
Affiliation(s)
- Maria C Sanchez-Valenzuela
- Division of Pulmonary, Allergy, and Sleep Medicine, Department of Medicine, Mayo Clinic, Jacksonville, Florida
| | - Juan C Garcia-Saucedo
- Division of Pulmonary, Allergy, and Sleep Medicine, Department of Medicine, Mayo Clinic, Jacksonville, Florida
| | - Gabriel Motoa
- Division of Pulmonary, Allergy, and Sleep Medicine, Department of Medicine, Mayo Clinic, Jacksonville, Florida
| | - Ismael Carrillo-Martin
- Division of Pulmonary, Allergy, and Sleep Medicine, Department of Medicine, Mayo Clinic, Jacksonville, Florida
| | - Alexei Gonzalez-Estrada
- Division of Pulmonary, Allergy, and Sleep Medicine, Department of Medicine, Mayo Clinic, Jacksonville, Florida.
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Carter MC, Akin C, Castells MC, Scott EP, Lieberman P. Idiopathic anaphylaxis yardstick: Practical recommendations for clinical practice. Ann Allergy Asthma Immunol 2019; 124:16-27. [PMID: 31513910 DOI: 10.1016/j.anai.2019.08.024] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 08/20/2019] [Accepted: 08/27/2019] [Indexed: 12/18/2022]
Abstract
Anaphylaxis is considered idiopathic when there is no known trigger. The signs and symptoms of idiopathic anaphylaxis (IA) are identical to those of anaphylaxis because of a known cause and can include cutaneous, circulatory, respiratory, gastrointestinal, and neurologic symptoms. Idiopathic anaphylaxis can be a frustrating disease for patients and health care providers. Episodes are unpredictable, and differential diagnosis is challenging. Current anaphylaxis guidelines have little specific guidance regarding differential diagnosis and long-term management of IA. Therefore, the objective of the Idiopathic Anaphylaxis Yardstick is to use published data and the authors' combined clinical experience to provide practical recommendations for the diagnosis and management of patients with IA.
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Affiliation(s)
| | - Cem Akin
- Department of Medicine, University of Michigan, Ann Arbor, Michigan
| | - Mariana C Castells
- Department of Medicine, Division of Rheumatology, Immunology, and Allergy, Mastocytosis Center, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | | | - Phil Lieberman
- Departments of Medicine and Pediatrics, Divisions of Allergy and Immunology, University of Tennessee, Memphis, Tennessee.
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Akin C. Mast cell activation syndromes. J Allergy Clin Immunol 2017; 140:349-355. [PMID: 28780942 DOI: 10.1016/j.jaci.2017.06.007] [Citation(s) in RCA: 112] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 06/20/2017] [Accepted: 06/20/2017] [Indexed: 12/18/2022]
Abstract
Mast cell activation is common and possibly necessary for maintenance of survival. Disordered mast cell activation occurs when mast cells are pathologically overproduced or if their activation is out of proportion to the perceived threat to homeostasis. Mast cell activation syndrome refers to a group of disorders with diverse causes presenting with episodic multisystem symptoms as the result of mast cell mediator release. Despite introduction of diagnostic criteria and some advances in treatment in the last decade, many areas of mast cell activation syndrome are in need of research. This article reviews our current knowledge about the various types of mast cell activation disorders, their treatment, and areas of uncertainty in need of future investigation.
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Affiliation(s)
- Cem Akin
- Division of Allergy and Clinical Immunology, University of Michigan, Ann Arbor, Mich.
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Sandhu M, Casselman J, Peppers B, Tcheurekdjian H, Hostoffer RW. Type 1 Kounis syndrome in a patient with idiopathic anaphylaxis. ALLERGY & RHINOLOGY 2017; 8:103-104. [PMID: 28583235 PMCID: PMC5468754 DOI: 10.2500/ar.2017.8.0198] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Anaphylactic insults that cause cardiovascular signs and symptoms have been defined as Kounis syndrome, which has been associated with specific triggered anaphylactic reactions. Kounis syndrome has not been described in patients with no evidence of coronary artery disease (type I Kounis) in a scenario of idiopathic anaphylaxis. We reported a case of a 65-year-old white woman with no evidence of coronary artery disease who experienced two myocardial infarctions on separate occasions attributable to idiopathic anaphylaxis.
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Affiliation(s)
- Monica Sandhu
- From the Department of Allergy and Immunology, University Hospitals, Regional Hospitals, Cleveland, Ohio, and
| | - Jason Casselman
- From the Department of Allergy and Immunology, University Hospitals, Regional Hospitals, Cleveland, Ohio, and
| | - Brian Peppers
- From the Department of Allergy and Immunology, University Hospitals, Regional Hospitals, Cleveland, Ohio, and
| | | | - Robert W. Hostoffer
- From the Department of Allergy and Immunology, University Hospitals, Regional Hospitals, Cleveland, Ohio, and
- Allergy Immunology Associates, Cleveland, Ohio
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Abstract
For half a century, it has been known that the mast cell is the cell responsible for the majority of anaphylactic events. Its mediators, taken as a whole, are capable of producing all of the clinical manifestations of these events. With the discovery of immunoglobulin E (IgE), it was originally felt that the vast majority of anaphylactic episodes were due to antigen coupling with two cell-bound IgE molecules. More recently it has been learned that many episodes are produced by direct activation of mast cells, not involving antigen binding to IgE, and that monomeric IgE under certain conditions can also cause degranulation. Of note--in regard to antigen independent degranulation--are recent reports that the human G-protein-coupled receptor, MRGPRX2, may be the receptor for many drugs and cationic proteins capable of producing direct mast cell degranulation and anaphylactic events.
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Affiliation(s)
- Phil Lieberman
- Divisions of Allergy and Immunology, Departments of Medicine and Pediatrics, University of Tennessee, Memphis, TN, USA.
- , 7205 Wolf River Blvd., Suite 200, Germantown, TN, 38138-1777, USA.
| | - Lene Heise Garvey
- Allergy Clinic UA-816, Department of Dermato-allergology, Copenhagen University Hospital, Gentofte, Kildegårdsvej 28, DK-2900, Hellerup, Denmark.
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Greenberger PA, Lieberman P. Idiopathic Anaphylaxis. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2014; 2:243-50; quiz 251. [DOI: 10.1016/j.jaip.2014.02.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Revised: 02/04/2014] [Accepted: 02/21/2014] [Indexed: 01/30/2023]
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Cardet JC, Akin C, Lee MJ. Mastocytosis: update on pharmacotherapy and future directions. Expert Opin Pharmacother 2014; 14:2033-45. [PMID: 24044484 DOI: 10.1517/14656566.2013.824424] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
INTRODUCTION Mastocytosis is a disorder characterized by abnormal mast cell (MC) accumulation in skin and internal organs such as bone marrow. The disease follows a benign course in most patients with cutaneous and indolent systemic mastocytosis (SM); however, advanced variants associated with decreased life expectancy also exist. Pharmacotherapy of mastocytosis is aimed at the control of symptoms caused by MC mediator release, treatment of comorbidities and cytoreductive therapies in advanced variants. AREAS COVERED This article will cover the general treatment principles of anti-MC mediator and cytoreductive therapies of mastocytosis. The literature discussed was retrieved with PubMed using the search terms 'treatment of mastocytosis,' 'mastocytosis antimediator therapy' and looking for important cross-references. EXPERT OPINION Pharmacotherapy of mastocytosis should be individualized for each patient considering the category of disease, reduction of risk of anaphylaxis, constitutional symptoms and comorbidities including osteoporosis. Cytoreductive therapies are generally reserved for patients with aggressive mastocytosis (ASM), MC leukemia (MCL) and MC sarcoma (MCS); however, some patients with indolent disease and recurrent anaphylactic episodes not responsive to antimediator therapies may also be considered for cytoreduction on a case-by-case basis.
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Affiliation(s)
- Juan Carlos Cardet
- Brigham and Women's Hospital, Division of Rheumatology, Allergy, Immunology, Mastocytosis Center, Department of Medicine , One Jimmy Fund Way, Smith Building, Room 626B, Boston, MA 02115 , USA
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Hildebrand KA. Posttraumatic elbow joint contractures: defining pathologic capsular mechanisms and potential future treatment paradigms. J Hand Surg Am 2013; 38:2227-33. [PMID: 24075128 DOI: 10.1016/j.jhsa.2013.07.031] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Revised: 07/29/2013] [Accepted: 07/30/2013] [Indexed: 02/02/2023]
Abstract
The Andrew J. Weiland Medal is presented by the American Society for Surgery of the Hand to a midcareer researcher who is dedicated to advancing patient care in the field of hand surgery. This essay, awarded the Weiland Medal in 2012, focuses on posttraumatic elbow joint contractures. Joint contractures are well known to hand surgeons because they limit function of our patients. There is a thorough understanding of the pathoanatomy underlying joint contractures. However, the mechanisms leading to the pathoanatomy are either unknown or partially understood, depending on the etiology of the particular clinical condition. This review describes our research over the past 14 years on posttraumatic elbow joint contractures. It defines pathologic cellular, matrix, and growth factor changes in the joint capsule, elaborates on the development of an animal model of posttraumatic joint contractures, presents an evaluation of a potential prevention strategy based on our research, and outlines future plans to bring this work to the clinical realm for the benefit of patients.
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Affiliation(s)
- Kevin A Hildebrand
- Department of Surgery, University of Calgary and Alberta Health Services-Calgary Zone, Calgary, Alberta, Canada..
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Monument MJ, Hart DA, Befus AD, Salo PT, Zhang M, Hildebrand KA. The mast cell stabilizer ketotifen fumarate lessens contracture severity and myofibroblast hyperplasia: a study of a rabbit model of posttraumatic joint contractures. J Bone Joint Surg Am 2010; 92:1468-77. [PMID: 20516323 PMCID: PMC3033391 DOI: 10.2106/jbjs.i.00684] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND The propensity of joints to become stiff after trauma is widely appreciated, and the joint capsule is commonly recognized as the major motion-limiting anatomical structure. Affected joint capsules become fibrotic, characterized by myofibroblast and collagen hyperplasia. Mast cell hyperplasia is common within fibrotic tissue, and mast cells are known to synthesize many profibrotic mediators. We hypothesized that mast cell inhibition after skeletal injury would lessen contracture severity and reduce myofibroblast hyperplasia within the joint capsule. METHODS Posttraumatic contractures of the knee were created with use of a combination of intra-articular injury and internal immobilization in skeletally mature New Zealand White rabbits. Four groups of animals were studied: a nonoperative control group, a group with the operatively created contracture and no pharmacological treatment (the operative contracture group), and two groups with the operatively created contracture that were treated with a mast cell stabilizer, ketotifen fumarate, at a dose of either 0.5 or 1.0 mg/kg twice daily (the 0.5-mg/kg and 1.0-mg/kg ketotifen groups). After eight weeks of immobilization, flexion contractures were measured and the posterior aspect of the joint capsule was harvested for quantification of myofibroblast and mast cell numbers. RESULTS Flexion contractures developed in the operative contracture group (mean and standard deviation, 58 degrees +/- 14 degrees ), and the severity of the contractures was reduced in both the group treated with 0.5 mg/kg of ketotifen (42 degrees +/- 17 degrees ) and the group treated with 1.0 mg/kg of ketotifen (45 degrees +/- 10 degrees ) (p < 0.02). The joint capsule myofibroblast and mast cell numbers in the operative contracture group were significantly increased compared with the values in the control group (p < 0.001), and the myofibroblast and mast cell numbers in both ketotifen groups were significantly reduced compared with the values in the operative contracture group (p < 0.001). CONCLUSIONS The use of a mast cell stabilizer, ketotifen, was effective in reducing the biomechanical and cellular manifestations of joint capsule fibrosis in a rabbit model of posttraumatic joint contracture. This finding suggests that an inflammatory pathway, mediated by mast cell activation, is involved in the induction of joint capsule fibrosis after traumatic injury.
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Grammer LC, Shaughnessy MA, Harris KE, Goolsby CL. Lymphocyte subsets and activation markers in patients with acute episodes of idiopathic anaphylaxis. Ann Allergy Asthma Immunol 2000; 85:368-71. [PMID: 11101177 DOI: 10.1016/s1081-1206(10)62547-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND Idiopathic anaphylaxis (IA), a type of anaphylaxis in which no external allergen can be identified, is a corticosteroid-responsive disease, that suggests that it may have an immunologic pathogenesis. OBJECTIVE The objective of this study is to compare patients with acute episodes of IA with normals, patients with chronic idiopathic urticaria, and patients with IA in remission relative to lymphocyte subsets and activation markers. METHODS This is a prospective cohort study of 38 adults: 5 normals, 4 idiopathic urticaria, 11 IA patients in remission, 9 IA patients with acute attacks who had not yet received prednisone, and 9 IA patients who had received prednisone. The main outcome measures were lymphocyte subset and activation markers determined by two and three color flow cytometry (CD2, CD3, CD4, CD5, CD8, CD16, CD19, CD23, CD25, CD56, and HLA-DR). RESULTS Comparing patients with acute IA with those in remission, the only significant difference was that the acute IA patients had a significantly higher percentage of CD3+HLA-DR+ cells. Normals had a significantly lower percentage of CD3+ HLA-DR+ cells than all other groups. Patients with acute IA on prednisone as well as IA patients in remission had a significantly higher percentage of CD 19+ CD23+ cells than normals. CONCLUSIONS These results suggest that there are more activated T cells in patients with acute episodes of IA than in patients in remission. Perhaps, these activated T cells have a role in the pathogenesis of IA.
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Affiliation(s)
- L C Grammer
- The Ernest S. Bazley Asthma and Allergic Diseases Center of the Department of Medicine of Northwestern Memorial Hospital, Northwestern University Medical School, Chicago, Illinois 60611, USA
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Affiliation(s)
- R Patterson
- Department of Medicine, Center of Northwestern Memorial Hospital and Northwestern University Medical School, Chicago, IL, USA
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Sikora RA, Ricaurte K, Ditto AM, Patterson R. Two contrasting cases of anaphylaxis seen simultaneously. Ann Allergy Asthma Immunol 2000; 84:15-8. [PMID: 10674559 DOI: 10.1016/s1081-1206(10)62734-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- R A Sikora
- Department of Medicine, and the Ernest S. Bazley Asthma and Allergic Diseases Center of Northwestern Memorial Hospital and Northwestern University Medical School, Chicago, Illinois 60611, USA
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