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Brenner DM, Brandt LJ, Fenster M, Hamilton MJ, Kamboj AK, Oxentenko AS, Wang B, Chey WD. Rare, Overlooked, or Underappreciated Causes of Recurrent Abdominal Pain: A Primer for Gastroenterologists. Clin Gastroenterol Hepatol 2023; 21:264-279. [PMID: 36180010 DOI: 10.1016/j.cgh.2022.09.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 09/07/2022] [Accepted: 09/08/2022] [Indexed: 01/28/2023]
Abstract
Recurrent abdominal pain is a common reason for repeated visits to outpatient clinics and emergency departments, reflecting a substantial unmet need for timely and accurate diagnosis. A lack of awareness of some of the rarer causes of recurrent abdominal pain may impede diagnosis and delay effective management. This article identifies some of the key rare but diagnosable causes that are frequently missed by gastroenterologists and provides expert recommendations to support recognition, diagnosis, and management with the ultimate aim of improving patient outcomes.
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Affiliation(s)
- Darren M Brenner
- Division of Gastroenterology and Hepatology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
| | - Lawrence J Brandt
- Division of Gastroenterology, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York
| | - Marc Fenster
- Division of Gastroenterology, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York
| | - Matthew J Hamilton
- Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Boston, Massachusetts
| | - Amrit K Kamboj
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Amy S Oxentenko
- Division of Gastroenterology and Hepatology, Mayo Clinic, Scottsdale, Arizona
| | - Bruce Wang
- Department of Medicine, University of California, San Francisco, San Francisco, California
| | - William D Chey
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Michigan Medicine, Ann Arbor, Michigan
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2
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Abstract
Health care providers are likely to encounter patients with recurrent unexplained abdominal pain. Because hereditary angioedema (HAE) is a rare disease, it may not be part of the differential diagnosis, especially for patients who do not have concurrent skin swelling in addition to abdominal symptoms. Abdominal pain is very common in patients with HAE, occurring in up to 93% of patients, with recurrent abdominal pain reported in up to 80% of patients. In 49% of HAE attacks with abdominal symptoms, isolated abdominal pain was the only symptom. Other abdominal symptoms that commonly present in patients with HAE include distension, cramping, nausea, vomiting, and diarrhea. The average time from onset of symptoms to diagnosis is 6 to 23 years. Under-recognition of HAE in patients presenting with predominant gastrointestinal symptoms is a key factor contributing to the delay in diagnosis, increasing the likelihood of unnecessary or exploratory surgeries or procedures and the potential risk of related complications. HAE should be considered in the differential diagnosis for patients with unexplained abdominal pain, nausea, vomiting, and/or diarrhea who have complete resolution of symptoms between episodes. As highly effective targeted therapies for HAE exist, recognition and diagnosis of HAE in patients presenting with isolated abdominal pain may significantly improve morbidity and mortality for these individuals.
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3
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Affiliation(s)
- Neeraja Murali
- Department of Emergency Medicine, University of Maryland School of Medicine, 110 S Paca Street, 6th Floor, Suite 200, Baltimore, MD 21201, USA.
| | - Sahar Morkos El Hayek
- Washington University in Saint Louis, 660 S Euclid Avenue CB 8072, St Louis, MO 63110, USA
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Abstract
Abdominal pain is one of the most common conditions leading people to the emergency department. An uncommon but well described cause of abdominal pain is angioedema of the gastrointestinal tract due to recurrent angioedema without wheals. Abdominal involvement is very common in hereditary angioedema (HAE), but it is also described in acquired angioedema and allergic forms. In patients with HAE, the involvement of gastrointestinal tract with resultant abdominal pain occurs in 43-93% of cases. Attacks can involve the entire gastrointestinal tract, such as the oropharynx, small intestine, colon, liver, or pancreas. Pain is the most common gastrointestinal symptom, and it may occur for many years even without cutaneous or respiratory symptoms. The case report we included in this article emphasizes the importance of accurate evaluation of personal and family history in patients with a long history of acute, severe, and unexplained abdominal pain, and it gives an example of how diagnostic delay may be longer if gastroenterological symptoms are the predominant clinical presentation. Furthermore, sometimes the simultaneous presence of concomitant gastrointestinal disorders and HAE may cause difficulties in differential diagnosis. Gastroenterologists and other physicians should add HAE to their list of potential causes of unexplained abdominal pain. The initiation of appropriate prophylaxis and treatment will prevent needless suffering and useless surgical and medical procedures.
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5
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Santacroce R, D’Andrea G, Maffione AB, Margaglione M, d’Apolito M. The Genetics of Hereditary Angioedema: A Review. J Clin Med 2021; 10:jcm10092023. [PMID: 34065094 PMCID: PMC8125999 DOI: 10.3390/jcm10092023] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 04/27/2021] [Accepted: 05/06/2021] [Indexed: 11/16/2022] Open
Abstract
Hereditary angioedema is a rare inherited disorder characterized by recurrent episodes of the accumulation of fluids outside of the blood vessels, causing rapid swelling of tissues in the hands, feet, limbs, face, intestinal tract, or airway. Mutations in SERPING1, the gene that encodes C1-INH (C1 esterase inhibitor), are responsible for the majority of cases of hereditary angioedema. C1 esterase inhibitor (C1-INH) is a major regulator of critical enzymes that are implicated in the cascades of bradykinin generation, which increases the vascular permeability and allows the flow of fluids into the extracellular space and results in angioedema. Moreover, a dominantly inherited disease has been described that has a similar clinical picture to C1-INH-HAE (Hereditary angioedema due to C1 inhibitor deficiency), but with normal C1-INH level and activity. This new type of HAE has no mutation in the SERPING1 gene and it is classified as nC1-INH-HAE (HAE with normal C1-INH). Currently mutations in six different genes have been identified as causing nC1-INH-HAE: factor XII (F12), plasminogen (PLG), angiopoietin 1 (ANGPT1), Kininogen 1 (KNG1), Myoferlin (MYOF), and heparan sulfate (HS)-glucosamine 3-O-sulfotransferase 6 (HS3ST6). In this review we aim to summarize the recent advances in genetic characterization of angioedema and possible future prospects in the identification of new genetic defects in HAE. We also provide an overview of diagnostic applications of genetic biomarkers using NGS technologies (Next Generation Sequencing).
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Affiliation(s)
- Rosa Santacroce
- Medical Genetics, Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (R.S.); (G.D.); (M.M.)
| | - Giovanna D’Andrea
- Medical Genetics, Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (R.S.); (G.D.); (M.M.)
| | - Angela Bruna Maffione
- Human Anatomy, Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy;
| | - Maurizio Margaglione
- Medical Genetics, Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (R.S.); (G.D.); (M.M.)
| | - Maria d’Apolito
- Medical Genetics, Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (R.S.); (G.D.); (M.M.)
- Correspondence:
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Achebe I, Gandhi S, Attar B. An Unusual Cause of Intermittent Abdominal Pain. Gastroenterology 2021; 160:e9-e10. [PMID: 32828816 DOI: 10.1053/j.gastro.2020.08.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 08/13/2020] [Indexed: 12/02/2022]
Affiliation(s)
| | - Seema Gandhi
- Department of Gastroenterology John H. Stroger Jr. Hospital of Cook County, Chicago, Illinois
| | - Bashar Attar
- Department of Gastroenterology John H. Stroger Jr. Hospital of Cook County, Chicago, Illinois
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7
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Thongtan T, Deb A, Bedanie G, Elmassry M, Soape M, Nugent K. Intestinal angioedema caused by an acquired C1 esterase inhibitor deficiency associated with underlying splenic marginal zone lymphoma. Proc (Bayl Univ Med Cent) 2021; 34:519-520. [PMID: 34219945 DOI: 10.1080/08998280.2021.1885277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
A 75-year-old woman presented with recurrent abdominal pain and vomiting for 1 year and was later found to have splenomegaly and pancytopenia. This case report depicts a clinical picture of intestinal angioedema, a challenging diagnosis, and an underlying rare syndrome of acquired C1 esterase inhibitor deficiency associated with splenic marginal zone lymphoma.
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Affiliation(s)
- Thanita Thongtan
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas
| | - Anasua Deb
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas
| | - Genanew Bedanie
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas
| | - Mohamed Elmassry
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas
| | - Matthew Soape
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas
| | - Kenneth Nugent
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas
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Abstract
Hereditary angioedema (HAE) is a rare genetic disease with numerous gastrointestinal manifestations. Intussusception, although rare, has been a reported complication with documentation of bowel wall edema on endoscopy during an acute flare. With the advent of synthetic C1 esterase inhibitors, this disease has become more effectively treatable. This case report shows a HAE flare complicated by colonic intussusception, treated with C1 esterase inhibitor, with complete endoscopic resolution seen on hospital day 5. This case provides evidence that with proper medical treatment, an HAE flare with intussusception has the potential to resolve without any further need for surgical or endoscopic intervention.
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Wahn V, Aberer W, Aygören-Pürsün E, Bork K, Eberl W, Faßhauer M, Krüger R, Magerl M, Martinez-Saguer I, Späth P, Staubach-Renz P, Weber-Chrysochoou C. Hereditary angioedema in children and adolescents - A consensus update on therapeutic strategies for German-speaking countries. Pediatr Allergy Immunol 2020; 31:974-989. [PMID: 32524650 DOI: 10.1111/pai.13309] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 03/12/2020] [Accepted: 05/14/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND/METHODS At a consensus meeting in August 2018, pediatricians and dermatologists from German-speaking countries discussed the therapeutic strategy for the treatment of pediatric patients with type I and II hereditary angioedema due to C1 inhibitor deficiency (HAE-C1-INH) for Germany, Austria, and Switzerland, taking into account the current marketing approval status. HAE-C1-INH is a rare disease that usually presents during childhood or adolescence with intermittent episodes of potentially life-threatening angioedema. Diagnosis as early as possible and an optimal management of the disease are important to avoid ineffective therapies and to properly treat swelling attacks. This article provides recommendations for developing appropriate treatment strategies in the management of HAE-C1-INH in pediatric patients in German-speaking countries. An overview of available drugs in this age-group is provided, together with their approval status, and study results obtained in adults and pediatric patients. RESULTS/CONCLUSION Currently, plasma-derived C1 inhibitor concentrates have the broadest approval status and are considered the best available option for on-demand treatment of HAE-C1-INH attacks and for short- and long-term prophylaxis across all pediatric age-groups in German-speaking countries. For on-demand treatment of children aged 2 years and older, recombinant C1-INH and bradykinin-receptor antagonist icatibant are alternatives. For long-term prophylaxis in adolescents, the parenteral kallikrein inhibitor lanadelumab has recently been approved and can be recommended due to proven efficacy and safety.
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Affiliation(s)
- Volker Wahn
- Department of Pediatric Pneumology, Immunology, and Intensive Care Medicine, Charité Universitätsmedizin, Berlin, Germany
| | - Werner Aberer
- Department of Dermatology and Venereology, Medical University, Graz, Austria
| | - Emel Aygören-Pürsün
- Center for Children and Adolescents, University Hospital, Frankfurt, Germany
| | - Konrad Bork
- Department of Dermatology, Johannes Gutenberg University, Mainz, Germany
| | - Wolfgang Eberl
- Department of Pediatrics, City Hospital, Braunschweig, Germany
| | - Maria Faßhauer
- Department of Pediatric Rheumatology, Immunology and Infectiology, Municipal Hospital St. Georg, Leipzig, Germany
| | - Renate Krüger
- Department of Pediatric Pneumology, Immunology, and Intensive Care Medicine, Charité Universitätsmedizin, Berlin, Germany
| | - Markus Magerl
- Department of Dermatology and Allergy, Charité Universitätsmedizin, Berlin, Germany
| | | | - Peter Späth
- Institute of Pharmacology, University of Bern, Bern, Switzerland
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Lepelley M, Bernardeau C, Defendi F, Crochet J, Mallaret M, Bouillet L. Update on bradykinin-mediated angioedema in 2020. Therapie 2020; 75:195-205. [DOI: 10.1016/j.therap.2020.02.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 11/15/2019] [Indexed: 12/11/2022]
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11
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Banday AZ, Kaur A, Jindal AK, Rawat A, Singh S. An update on the genetics and pathogenesis of hereditary angioedema. Genes Dis 2020; 7:75-83. [PMID: 32181278 PMCID: PMC7063419 DOI: 10.1016/j.gendis.2019.07.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 06/27/2019] [Accepted: 07/12/2019] [Indexed: 12/04/2022] Open
Abstract
Hereditary angioedema (HAE) is an uncommon genetic disorder characterized by recurrent episodes of edema involving subcutaneous tissue and submucosa. The pathogenesis of HAE reflects an intricate coordinated regulation of components of complement, kinin and hemostatic pathway. Till date, mutations in 4 different genes have been identified to cause HAE which includes serine protease inhibitor G1 (SERPING1), factor XII (F12), plasminogen (PLG) and angiopoietin 1 (ANGPT 1). These mutations lead to increased bradykinin 2 receptor mediated signalling via increased production of bradykinin except mutations in ANGPT1 gene that disturbs the cytoskeletal assembly of vascular endothelial cells. In this review we aim to summarize the recent advances in the pathogenesis and genetics of HAE. We also provide an overview of possible future prospects in the identification of new genetic defects in HAE.
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Affiliation(s)
| | | | - Ankur Kumar Jindal
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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12
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Piras V, Alves F, Gonçalo M. Self‐administration of icatibant in acute attacks of Type I hereditary angioedema: A case report and review of hereditary angioedema. Dermatol Ther 2019; 32:e13098. [DOI: 10.1111/dth.13098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 09/10/2019] [Accepted: 09/20/2019] [Indexed: 11/30/2022]
Affiliation(s)
- Viviana Piras
- Department of Medical Sciences and Public Health, Unit of DermatologyUniversity of Cagliari Cagliari Italy
| | - Francisca Alves
- Department of DermatologyUniversity Hospital of Coimbra Coimbra Portugal
| | - Margarida Gonçalo
- Department of DermatologyUniversity Hospital of Coimbra Coimbra Portugal
- Department of Dermatology, Faculty of MedicineUniversity of Coimbra Coimbra Portugal
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13
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Busse PJ, Farkas H, Banerji A, Lumry WR, Longhurst HJ, Sexton DJ, Riedl MA. Lanadelumab for the Prophylactic Treatment of Hereditary Angioedema with C1 Inhibitor Deficiency: A Review of Preclinical and Phase I Studies. BioDrugs 2019; 33:33-43. [PMID: 30539362 PMCID: PMC6373397 DOI: 10.1007/s40259-018-0325-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Hereditary angioedema (HAE) with C1 esterase inhibitor (C1-INH) deficiency (C1-INH-HAE) is a rare disease characterized by diminished levels or dysfunctional activity of C1-INH, leading to dysregulated plasma kallikrein activity within the kallikrein-kinin pathway. Symptoms manifest as painful, potentially life-threatening swelling of subcutaneous tissues throughout the body and/or submucosal edema in the upper airway or gastrointestinal tract. Attacks recur with unpredictable frequency, intensity, and duration, placing a heavy burden on patients' daily lives. Despite improved availability of medications for on-demand treatment during attacks and prophylaxis of future attacks, unmet needs remain. Lanadelumab, a fully human monoclonal antibody, may help address some of the limitations of existing prophylactic options (e.g., the need for intravenous administration or frequent dosing). Preclinical studies demonstrate that it is highly potent and specifically inhibits plasma kallikrein, and findings from phase Ia and Ib studies suggest this agent is well tolerated and provides sustained inhibition of plasma kallikrein, allowing for less frequent dosing. The phase III HELP Study (NCT02586805) evaluating the efficacy and safety of lanadelumab in preventing HAE attacks has been completed, and its open-label extension (NCT02741596) is ongoing. Lanadelumab is now approved in the USA and Canada for prophylaxis to prevent attacks of HAE in patients aged ≥ 12 years. This review provides an overview of the discovery and clinical development of lanadelumab, from preclinical through phase Ib studies, characterizing its safety/tolerability, efficacy, and pharmacokinetic and pharmacodynamic profiles. It also highlights how this agent may positively impact clinical care of patients with C1-INH-HAE.
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MESH Headings
- Adolescent
- Adult
- Aged
- Aged, 80 and over
- Angioedemas, Hereditary/drug therapy
- Angioedemas, Hereditary/pathology
- Angioedemas, Hereditary/physiopathology
- Angioedemas, Hereditary/prevention & control
- Antibodies, Monoclonal, Humanized/pharmacokinetics
- Antibodies, Monoclonal, Humanized/pharmacology
- Antibodies, Monoclonal, Humanized/therapeutic use
- Clinical Trials, Phase I as Topic
- Drug Evaluation, Preclinical
- Humans
- Middle Aged
- Plasma Kallikrein/antagonists & inhibitors
- Plasma Kallikrein/drug effects
- Young Adult
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Affiliation(s)
- Paula J Busse
- Division of Clinical Immunology and Allergy, Department of Medicine, Icahn School of Medicine at Mount Sinai, 1425 Madison Avenue, Room 11-20, New York, NY, 10029, USA.
| | - Henriette Farkas
- Hungarian Angioedema Reference Center, 3rd Department of Internal Medicine, Semmelweis University, Kutvolgyi ut 4, Budapest, 1125, Hungary
| | - Aleena Banerji
- Division of Rheumatology, Allergy and Immunology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Cox 201, Boston, MA, 02114, USA
| | - William R Lumry
- Allergy and Asthma Research Associates, 10100 N. Central Expressway, Suite 100, Dallas, TX, 75231, USA
| | - Hilary J Longhurst
- Department of Immunology, Addenbrookes Hospital Cambridge University NHS Foundation Trust, Hills Road, Cambridge, CB2 0QQ, UK
| | | | - Marc A Riedl
- Division of Rheumatology, Allergy and Immunology, University of California, San Diego, 8899 University Center Lane, Suite 230, San Diego, CA, 92122, USA
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Hereditary Angioedema Type II: First Presentation in Adulthood with Recurrent Severe Abdominal Pain. Case Reports Immunol 2018; 2018:7435870. [PMID: 30510820 PMCID: PMC6231379 DOI: 10.1155/2018/7435870] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2018] [Revised: 08/12/2018] [Accepted: 09/13/2018] [Indexed: 11/18/2022] Open
Abstract
A 27-year-old Emirate man presented to Cleveland Clinic Abu Dhabi emergency department with a 4 year history of recurrent episodes of severe swellings affecting different parts of his body. He used to get 2 swelling episodes every week affecting either his face, hands, feet or scrotum and severe abdominal pain twice a week. Abdominal CT scan and a colonoscopy showed bowel wall oedema. There was no family history of similar complaint or of hereditary angioedema (HAE). Complement studies confirmed the diagnosis of HAE type II. He was commenced on danazol 100 mg twice daily and his symptoms resolved. This case report highlights the importance of considering HAE in patients with recurrent unexplained abdominal pain even in the absence of positive family history of HAE.
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15
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Zanichelli A, Longhurst HJ, Maurer M, Bouillet L, Aberer W, Fabien V, Andresen I, Caballero T, Grumach A, Bygum A, Blanchard Delaunay C, Bouillet L, Coppere B, Fain O, Goichot B, Gompel A, Guez S, Jeandel P, Kanny G, Launay D, Maillard H, Martin L, Masseau A, Ollivier Y, Sobel A, Arnolds J, Aygören-Pürsün E, Baş M, Bauer A, Bork K, Martinez I, Maurer M, Papadopoulou-Alataki E, Psarros F, Graif Y, Kivity S, Reshef A, Toubi E, Arcoleo F, Cicardi M, Manconi P, Marone G, Montinaro V, Baeza M, Caballero T, Cabañas R, Guilarte M, Hernandez de Rojas D, Hernando de Larramendi C, Lleonart R, Lobera T, Sáenz de San Pedro B, Bjorkander J, Helbert M, Longhurst H. Misdiagnosis trends in patients with hereditary angioedema from the real-world clinical setting. Ann Allergy Asthma Immunol 2017; 117:394-398. [PMID: 27742086 DOI: 10.1016/j.anai.2016.08.014] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2016] [Revised: 08/05/2016] [Accepted: 08/10/2016] [Indexed: 10/20/2022]
Abstract
BACKGROUND Hereditary angioedema due to C1 inhibitor deficiency (C1-INH-HAE) causes swelling in the skin and upper airways and pain in the abdomen because of mucosal swelling. C1-INH-HAE is frequently misdiagnosed, leading to delays in diagnosis, inadequate treatment, and unnecessary procedures. OBJECTIVE To evaluate the history of misdiagnosis in patients participating in the Icatibant Outcome Survey (IOS). METHODS The IOS is an observational study in which safety and effectiveness of icatibant have been evaluated since 2009. As part of the IOS, patients record any misdiagnoses received before being diagnosed as having C1-INH-HAE. RESULTS In January 2016, a total of 418 of 633 IOS patients with C1-INH-HAE type I or II had provided misdiagnosis data. Of these, 185 of 418 (44.3%) received 1 or more prior misdiagnoses. The most common misdiagnoses were allergic angioedema (103 of 185) and appendicitis (50 of 185). A variety of other misdiagnoses were reported, including a substantial number of gastrointestinal disorders (excluding appendicitis). Misdiagnosis rates were similar between males (41.1%) and females (46.5%) and between C1-INH-HAE type I (43.7%) and type II (51.6%). Patients with family members diagnosed as having C1-INH-HAE were significantly less likely to be misdiagnosed than patients without a family history (140 of 366 [41.7%] vs 38 of 58 [65.5%], respectively; P = .001). Patients with a prior misdiagnosis had longer median delay to C1-INH-HAE diagnosis (13.3 years) than patients without (1.7 years; P < .001). CONCLUSION From this large database, approximately 50% of patients with C1-INH-HAE type I or II have previously had their conditions misdiagnosed, most commonly as allergic angioedema or appendicitis. Misdiagnosis results in marked delays in receiving the correct diagnosis, during which time patients cannot access effective, lifesaving treatment. TRIAL REGISTRATION ClinicalTrials.gov: NCT01034969.
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Affiliation(s)
- Andrea Zanichelli
- Department of Biomedical and Clinical Sciences Luigi Sacco, University of Milan, ASST Fatebenefratelli Sacco, Milan, Italy.
| | - Hilary J Longhurst
- Department of Immunology, Barts Health NHS Trust, London, United Kingdom
| | - Marcus Maurer
- Department of Dermatology and Allergy, Allergie-Centrum-Charité, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Laurence Bouillet
- National Reference Centre for Angioedema, Internal Medicine Department, Grenoble University Hospital, Grenoble, France
| | - Werner Aberer
- Department of Dermatology and Venereology, Medical University of Graz, Graz, Austria
| | | | | | - Teresa Caballero
- Allergy Department, Hospital La Paz Institute for Health Research, Biomedical Research Network on Rare Diseases (CIBERER, U754), Madrid, Spain
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16
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Bernstein JA, Cremonesi P, Hoffmann TK, Hollingsworth J. Angioedema in the emergency department: a practical guide to differential diagnosis and management. Int J Emerg Med 2017; 10:15. [PMID: 28405953 PMCID: PMC5389952 DOI: 10.1186/s12245-017-0141-z] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Accepted: 03/28/2017] [Indexed: 11/23/2022] Open
Abstract
Background Angioedema is a common presentation in the emergency department (ED). Airway angioedema can be fatal; therefore, prompt diagnosis and correct treatment are vital. Objective of the review Based on the findings of two expert panels attended by international experts in angioedema and emergency medicine, this review aims to provide practical guidance on the diagnosis, differentiation, and management of histamine- and bradykinin-mediated angioedema in the ED. Review The most common pathophysiology underlying angioedema is mediated by histamine; however, ED staff must be alert for the less common bradykinin-mediated forms of angioedema. Crucially, bradykinin-mediated angioedema does not respond to the same treatment as histamine-mediated angioedema. Bradykinin-mediated angioedema can result from many causes, including hereditary defects in C1 esterase inhibitor (C1-INH), side effects of angiotensin-converting enzyme inhibitors (ACEis), or acquired deficiency in C1-INH. The increased use of ACEis in recent decades has resulted in more frequent encounters with ACEi-induced angioedema in the ED; however, surveys have shown that many ED staff may not know how to recognize or manage bradykinin-mediated angioedema, and hospitals may not have specific medications or protocols in place. Conclusion ED physicians must be aware of the different pathophysiologic pathways that lead to angioedema in order to efficiently and effectively manage these potentially fatal conditions.
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Affiliation(s)
- Jonathan A Bernstein
- Division of Immunology/Allergy, University of Cincinnati, 231 Albert Sabin Way, Cincinnati, OH, 45267, USA.
| | - Paolo Cremonesi
- Department of Emergency Medicine, E. O. Galliera Hospital, Genoa, Italy
| | - Thomas K Hoffmann
- Department of Oto-Rhino-Laryngology, Head and Neck Surgery, Ulm University Medical Center, Ulm, Germany
| | - John Hollingsworth
- Department of Emergency Medicine, University Hospital, Aintree, Liverpool, UK
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Gábos G, Moldovan D, Dobru D. Hereditary Angioedema: a Challenging Diagnosis for the Gastroenterologist. JOURNAL OF INTERDISCIPLINARY MEDICINE 2016. [DOI: 10.1515/jim-2016-0072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Hereditary angioedema (HAE) caused by a deficiency of C1 esterase inhibitor enzyme (C1-INH) is a very rare, autosomal dominantly inherited genetic disorder, characterized by recurrent peripheral angioedema, painful abdominal attacks and episodes of laryngeal edema. Abdominal attacks are frequent symptoms in adult HAE patients, occurring in more than 90% of the cases. Angioedema in the bowel or abdomen can occur in the absence of cutaneous manifestations and may be easily misdiagnosed unless the clinician has a high degree of awareness to include HAE in the differential diagnosis. Misdiagnosis is associated with inadequate treatments, including unnecessary surgical procedures. Any patient who presents recurrent episodes of swelling should be evaluated for HAE caused by C1-INH deficiency. New therapies could save lives and dramatically improve their quality of life.
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Affiliation(s)
- Gabriella Gábos
- Gastroenterology Department, Mureș County Hospital, Tîrgu Mureș, Romania
| | - Dumitru Moldovan
- Allergology-Immunology Department, Mureș County Hospital, Tîrgu Mureș, Romania
- University of Medicine and Pharmacy, Tîrgu Mureș, Romania
| | - Daniela Dobru
- Gastroenterology Department, Mureș County Hospital, Tîrgu Mureș, Romania
- University of Medicine and Pharmacy, Tîrgu Mureș, Romania
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Aksoy EK, Koklu S, Ozturk O, Koklu H, Karcaaltincaba M, Sezgin O. Hereditary angioedema: A rare cause of pancreatitis. Clin Res Hepatol Gastroenterol 2016; 40:e48-9. [PMID: 27576199 DOI: 10.1016/j.clinre.2016.02.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2015] [Accepted: 02/04/2016] [Indexed: 02/04/2023]
Affiliation(s)
- Evrim K Aksoy
- Department of Gastroenterology, Hacettepe University School of Medicine, 06100 Sıhhıye, Ankara, Turkey.
| | - Seyfettin Koklu
- Department of Gastroenterology, Hacettepe University School of Medicine, 06100 Sıhhıye, Ankara, Turkey
| | - Omer Ozturk
- Department of Gastroenterology, Hacettepe University School of Medicine, 06100 Sıhhıye, Ankara, Turkey
| | - Hayretdin Koklu
- Department of Gastroenterology, Hacettepe University School of Medicine, 06100 Sıhhıye, Ankara, Turkey
| | - Musturay Karcaaltincaba
- Department of Radiology, Hacettepe University School of Medicine, 06100 Sıhhıye, Ankara, Turkey
| | - Orhan Sezgin
- Department of Gastroenterology, Mersin University School of Medicine, Mersin, Turkey
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Henao MP, Kraschnewski JL, Kelbel T, Craig TJ. Diagnosis and screening of patients with hereditary angioedema in primary care. Ther Clin Risk Manag 2016; 12:701-11. [PMID: 27194914 PMCID: PMC4859422 DOI: 10.2147/tcrm.s86293] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Hereditary angioedema (HAE) is a rare autosomal dominant disease that commonly manifests with episodes of cutaneous or submucosal angioedema and intense abdominal pain. The condition usually presents due to a deficiency of C1 esterase inhibitor (C1-INH) that leads to the overproduction of bradykinin, causing an abrupt increase in vascular permeability. A less-understood and less-common form of the disease presents with normal C1-INH levels. Symptoms of angioedema may be confused initially with mast cell-mediated angioedema, such as allergic reactions, and may perplex physicians when epinephrine, antihistamine, or glucocorticoid therapies do not provide relief. Similarly, abdominal attacks may lead to unnecessary surgeries or opiate dependence. All affected individuals are at risk for a life-threatening episode of laryngeal angioedema, which continues to be a source of fatalities due to asphyxiation. Unfortunately, the diagnosis is delayed on average by almost a decade due to a misunderstanding of symptoms and general lack of awareness of the disease. Once physicians suspect HAE, however, diagnostic methods are reliable and available at most laboratories, and include testing for C4, C1-INH protein, and C1-INH functional levels. In patients with HAE, management consists of acute treatment of an attack as well as possible short- or long-term prophylaxis. Plasma-derived C1-INH, ecallantide, icatibant, and recombinant human C1-INH are new treatments that have been shown to be safe and effective in the treatment of HAE attacks. The current understanding of HAE has greatly improved in recent decades, leading to growing awareness, new treatments, improved management strategies, and better outcomes for patients.
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Affiliation(s)
- Maria Paula Henao
- Department of Medicine, Pennsylvania State University College of Medicine at Hershey Medical Center, Hershey, PA, USA
| | - Jennifer L Kraschnewski
- Department of Medicine, Pennsylvania State University College of Medicine at Hershey Medical Center, Hershey, PA, USA
| | - Theodore Kelbel
- Division of Allergy and Immunology, Pennsylvania State University College of Medicine at Hershey Medical Center, Hershey, PA, USA
| | - Timothy J Craig
- Department of Medicine and Pediatrics, Pennsylvania State University College of Medicine at Hershey Medical Center, Hershey, PA, USA
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Hereditary Angioedema and Gastrointestinal Complications: An Extensive Review of the Literature. Case Reports Immunol 2015; 2015:925861. [PMID: 26339513 PMCID: PMC4538593 DOI: 10.1155/2015/925861] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Accepted: 07/12/2015] [Indexed: 12/19/2022] Open
Abstract
Hereditary Angioedema (HAE) is a rare autosomal dominant (AD) disease characterized by deficient (type 1) or nonfunctional (type 2) C1 inhibitor protein. The disorder is associated with episodes of angioedema of the face, larynx, lips, abdomen, or extremities. The angioedema is caused by the activation of the kallikrein-kinin system that leads to the release of vasoactive peptides, followed by edema, which in severe cases can be life threatening. The disease is usually not diagnosed until late adolescence and patients tend to have frequent episodes that can be severely impairing and have a high incidence of morbidity. Gastrointestinal involvement represents up to 80% of clinical presentations that are commonly confused with other gastrointestinal disorders such as appendicitis, cholecystitis, pancreatitis, and ischemic bower. We present a case of an HAE attack presenting as colonic intussusception managed conservatively with a C1 esterase inhibitor. Very few cases have been reported in the literature of HAE presentation in this manner, and there are no reports of any nonsurgical management of these cases.
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Rubinstein E, Stolz LE, Sheffer AL, Stevens C, Bousvaros A. Abdominal attacks and treatment in hereditary angioedema with C1-inhibitor deficiency. BMC Gastroenterol 2014; 14:71. [PMID: 24712435 PMCID: PMC4101849 DOI: 10.1186/1471-230x-14-71] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2014] [Accepted: 03/28/2014] [Indexed: 11/24/2022] Open
Abstract
Background Hereditary angioedema (HAE) is characterized by unpredictable attacks of debilitating subcutaneous and mucosal edema. Gastrointestinal attacks are painful, of sudden onset and often mistaken for acute abdomen leading to unnecessary surgery. The purpose of this study was to analyze symptom presentation of gastrointestinal angioedema in pediatric and adult HAE patients. Methods Information collected during the clinical development of ecallantide for treatment of acute HAE attacks included affected anatomic location, accompanying symptoms, medical history, and pain assessments. Efficacy endpoints included Treatment Outcome Score (TOS, maximum score = 100; minimally important difference = 30), a point-in-time measure of treatment response, and time to treatment response. Results Forty-nine percent of 521 HAE attacks only involved abdominal symptoms. The most commonly reported abdominal symptoms were distension (77%), cramping (73%) and nausea (67%). The most common pain descriptors were tender, tiring-exhausting, aching, cramping and sickening. White blood cell counts were elevated (>10 × 109/L) in 23% of attacks (mean ± SD: 15.1 ± 11.27 × 109/L). A high proportion of patients reported a history of abdominal surgery, including appendectomy (23%), cholecystectomy (16.4%), and hysterectomy (8.2%). Mean TOS at 4 hours post ecallantide was 77±33 versus 29±65 for placebo. Median time to significant symptom resolution was 165 minutes (95% CI 136, 167) for ecallantide versus >4 hours (95% CI 161, >4 hours) for placebo. Anaphylactic reactions occurred in 6 of the 149 treated patients. Conclusions HAE should be considered in the differential diagnosis of patients with recurrent discrete episodes of severe, unexplained crampy abdominal pain associated with nausea. Trials registration The data used in the analysis were gathered across multiple clinical trials conducted during the clinical development program for ecallantide. All of the studies were conducted using Good Clinical Practices (GCP) and in accordance with the ethical principles that have their origins in the Declaration of Helsinki. Each site that participated in the clinical trials obtained the appropriate IRB or Ethics Committee approval prior to enrolling any patients. All patients provided written informed consent prior to undergoing any study-related procedures. Pediatric patients provided written assent and their parents or guardians gave written informed consent. The following trials have been registered at http://www.clinicaltrials.gov: EDEMA2 (identifier NCT01826916); EDEMA3 (identifier NCT00262080); EDEMA4 (identifier NCT00457015); and DX-88/19 (identifier NCT00456508).
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Affiliation(s)
- Eitan Rubinstein
- Division of Gastroenterology, Hepatology and Nutrition, Boston Children's Hospital, 300 Longwood Ave, Fegan 5th Floor, Boston, MA 02115, USA.
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