Angioedema: Difference between revisions

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==Causes==
==Causes==
Among patients with recurrent angioedema ''without'' urticaria, 38% are idiopathic, 25% are due to deficiency of [[complement C1 inhibitor protein]] (C1 esterase inhibitor), 16% are related to an environmental exposure ([[medication]], foodstuff, insect bite, other environmental allergen, or physical irritation), and 11% are due to [[angiotensin-converting enzyme inhibitor]] treatment.<ref name="pmid17060655">{{cite journal |author=Zingale LC, Beltrami L, Zanichelli A, ''et al'' |title=Angioedema without urticaria: a large clinical survey |journal=CMAJ |volume=175 |issue=9 |pages=1065–70 |year=2006 |month=October |pmid=17060655 |pmc=1609157 |doi=10.1503/cmaj.060535 |url=http://www.cmaj.ca/cgi/pmidlookup?view=long&pmid=17060655 |issn=}}</ref>
Among patients with recurrent angioedema ''without'' urticaria, 38% are idiopathic, 25% are due to deficiency of functional [[complement C1 inhibitor protein]] (C1 esterase inhibitor), 16% are related to an environmental exposure ([[medication]], foodstuff, insect bite, other environmental allergen, or physical irritation), and 11% are due to [[angiotensin-converting enzyme inhibitor]] treatment.<ref name="pmid17060655">{{cite journal |author=Zingale LC, Beltrami L, Zanichelli A, ''et al'' |title=Angioedema without urticaria: a large clinical survey |journal=CMAJ |volume=175 |issue=9 |pages=1065–70 |year=2006 |month=October |pmid=17060655 |pmc=1609157 |doi=10.1503/cmaj.060535 |url=http://www.cmaj.ca/cgi/pmidlookup?view=long&pmid=17060655 |issn=}}</ref>


===C1 esterase inhibitor deficiency===
===C1 esterase inhibitor deficiency===
Angioedema due to deficiency of [[complement C1 inhibitor protein]] manifest by edema without [[urticaria]]<ref name="pmid15356535">{{cite journal |author=Agostoni A, Aygören-Pürsün E, Binkley KE, ''et al'' |title=Hereditary and acquired angioedema: problems and progress: proceedings of the third C1 esterase inhibitor deficiency workshop and beyond |journal=J. Allergy Clin. Immunol. |volume=114 |issue=3 Suppl |pages=S51–131 |year=2004 |month=September |pmid=15356535 |doi=10.1016/j.jaci.2004.06.047 |url=http://linkinghub.elsevier.com/retrieve/pii/S0091674904017579 |issn=}}</ref><ref name="pmid12861105">{{cite journal |author=Cicardi M, Zingale LC, Pappalardo E, Folcioni A, Agostoni A |title=Autoantibodies and lymphoproliferative diseases in acquired C1-inhibitor deficiencies |journal=Medicine (Baltimore) |volume=82 |issue=4 |pages=274–81 |year=2003 |month=July |pmid=12861105 |doi=10.1097/01.md.0000085055.63483.09 |url=http://meta.wkhealth.com/pt/pt-core/template-journal/lwwgateway/media/landingpage.htm?issn=0025-7974&volume=82&issue=4&spage=274 |issn=}}</ref><ref name="pmid10644276">{{cite journal |author=Markovic SN, Inwards DJ, Frigas EA, Phyliky RP |title=Acquired C1 esterase inhibitor deficiency |journal=Ann. Intern. Med. |volume=132 |issue=2 |pages=144–50 |year=2000 |month=January |pmid=10644276 |doi= |url=http://www.annals.org/cgi/pmidlookup?view=long&pmid=10644276 |issn=}}</ref> and may be reduced have reduced [[d-dimer]] levels, especially during attacks.<ref name="pmid19076541">{{cite journal |author=Cugno M, Zanichelli A, Bellatorre AG, Griffini S, Cicardi M |title=Plasma biomarkers of acute attacks in patients with angioedema due to C1-inhibitor deficiency |journal=Allergy |volume=64 |issue=2 |pages=254–7 |year=2009 |month=February |pmid=19076541 |doi=10.1111/j.1398-9995.2008.01859.x |url=http://www3.interscience.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0105-4538&date=2009&volume=64&issue=2&spage=254 |issn=}}</ref>
Angioedema due to deficiency of functional [[complement C1 inhibitor protein]] manifest by edema without [[urticaria]]<ref name="pmid15356535">{{cite journal |author=Agostoni A, Aygören-Pürsün E, Binkley KE, ''et al'' |title=Hereditary and acquired angioedema: problems and progress: proceedings of the third C1 esterase inhibitor deficiency workshop and beyond |journal=J. Allergy Clin. Immunol. |volume=114 |issue=3 Suppl |pages=S51–131 |year=2004 |month=September |pmid=15356535 |doi=10.1016/j.jaci.2004.06.047 |url=http://linkinghub.elsevier.com/retrieve/pii/S0091674904017579 |issn=}}</ref><ref name="pmid12861105">{{cite journal |author=Cicardi M, Zingale LC, Pappalardo E, Folcioni A, Agostoni A |title=Autoantibodies and lymphoproliferative diseases in acquired C1-inhibitor deficiencies |journal=Medicine (Baltimore) |volume=82 |issue=4 |pages=274–81 |year=2003 |month=July |pmid=12861105 |doi=10.1097/01.md.0000085055.63483.09 |url=http://meta.wkhealth.com/pt/pt-core/template-journal/lwwgateway/media/landingpage.htm?issn=0025-7974&volume=82&issue=4&spage=274 |issn=}}</ref><ref name="pmid10644276">{{cite journal |author=Markovic SN, Inwards DJ, Frigas EA, Phyliky RP |title=Acquired C1 esterase inhibitor deficiency |journal=Ann. Intern. Med. |volume=132 |issue=2 |pages=144–50 |year=2000 |month=January |pmid=10644276 |doi= |url=http://www.annals.org/cgi/pmidlookup?view=long&pmid=10644276 |issn=}}</ref> and may be reduced have reduced [[d-dimer]] levels, especially during attacks.<ref name="pmid19076541">{{cite journal |author=Cugno M, Zanichelli A, Bellatorre AG, Griffini S, Cicardi M |title=Plasma biomarkers of acute attacks in patients with angioedema due to C1-inhibitor deficiency |journal=Allergy |volume=64 |issue=2 |pages=254–7 |year=2009 |month=February |pmid=19076541 |doi=10.1111/j.1398-9995.2008.01859.x |url=http://www3.interscience.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0105-4538&date=2009&volume=64&issue=2&spage=254 |issn=}}</ref>


====Hereditary angioedema (Hereditary C1 esterase inhibitor deficiency)====
====Hereditary angioedema (Hereditary C1 esterase inhibitor deficiency)====

Revision as of 08:41, 19 February 2009

In medicine and immunology, angioedema is type of hypersensitivity that is a "swelling involving the deep dermis, subcutaneous, or submucosal tissues, representing localized edema. Angioedema often occurs in the face, lips, tongue, and larynx."[1]

Causes

Among patients with recurrent angioedema without urticaria, 38% are idiopathic, 25% are due to deficiency of functional complement C1 inhibitor protein (C1 esterase inhibitor), 16% are related to an environmental exposure (medication, foodstuff, insect bite, other environmental allergen, or physical irritation), and 11% are due to angiotensin-converting enzyme inhibitor treatment.[2]

C1 esterase inhibitor deficiency

Angioedema due to deficiency of functional complement C1 inhibitor protein manifest by edema without urticaria[3][4][5] and may be reduced have reduced d-dimer levels, especially during attacks.[6]

Hereditary angioedema (Hereditary C1 esterase inhibitor deficiency)

For more information, see: Hereditary angioedema.


Hereditary deficiency is characterized by normal levels of complement C1q and complement C1 inhibitor protein function.[5] Complement C1 inhibitor protein antigen is low in type I and normal in type II.

Acquired angioedema (Acquired C1 esterase inhibitor deficiency)

Acquired C1 esterase inhibitor deficiency is rare.[4][5]

  • Type I disease is associated with lymphoproliferative disorders.[5]
  • Type II disease is associated with autoantibodies[5] and monoclonal gammopathies[7].

Acquired deficiency is characterized by low levels of complement C1q.[5] Like hereditary angioedema, it has low complement C1 inhibitor protein function.[5] Complement C1 inhibitor protein antigen is low in type I and normal in type II. It also has decreased complement C4[8] unless a paraprotein is present[9].

Treatment includes oral tranexamic acid oral 1 gram 3 times a day. Tranexamic acid is an "inhibitor of plasminogen activation, and at much higher concentrations, a noncompetitive inhibitor of plasmin, i.e., actions similar to aminocaproic acid." It is similar to, but more potent than aminocaproic acid.[10] Concomittent use of warfarin may be needed to prevent embolism and thrombosis.

References

  1. ↑ Anonymous (2024), Angioedema (English). Medical Subject Headings. U.S. National Library of Medicine.
  2. ↑ Zingale LC, Beltrami L, Zanichelli A, et al (October 2006). "Angioedema without urticaria: a large clinical survey". CMAJ 175 (9): 1065–70. DOI:10.1503/cmaj.060535. PMID 17060655. PMC 1609157. Research Blogging.
  3. ↑ Agostoni A, Aygören-Pürsün E, Binkley KE, et al (September 2004). "Hereditary and acquired angioedema: problems and progress: proceedings of the third C1 esterase inhibitor deficiency workshop and beyond". J. Allergy Clin. Immunol. 114 (3 Suppl): S51–131. DOI:10.1016/j.jaci.2004.06.047. PMID 15356535. Research Blogging.
  4. ↑ 4.0 4.1 Cicardi M, Zingale LC, Pappalardo E, Folcioni A, Agostoni A (July 2003). "Autoantibodies and lymphoproliferative diseases in acquired C1-inhibitor deficiencies". Medicine (Baltimore) 82 (4): 274–81. DOI:10.1097/01.md.0000085055.63483.09. PMID 12861105. Research Blogging.
  5. ↑ 5.0 5.1 5.2 5.3 5.4 5.5 5.6 Markovic SN, Inwards DJ, Frigas EA, Phyliky RP (January 2000). "Acquired C1 esterase inhibitor deficiency". Ann. Intern. Med. 132 (2): 144–50. PMID 10644276. [e]
  6. ↑ Cugno M, Zanichelli A, Bellatorre AG, Griffini S, Cicardi M (February 2009). "Plasma biomarkers of acute attacks in patients with angioedema due to C1-inhibitor deficiency". Allergy 64 (2): 254–7. DOI:10.1111/j.1398-9995.2008.01859.x. PMID 19076541. Research Blogging.
  7. ↑ Frémeaux-Bacchi V, Guinnepain MT, Cacoub P, et al (August 2002). "Prevalence of monoclonal gammopathy in patients presenting with acquired angioedema type 2". Am. J. Med. 113 (3): 194–9. PMID 12208377. [e]
  8. ↑ Gompels MM, Lock RJ, Morgan JE, Osborne J, Brown A, Virgo PF (February 2002). "A multicentre evaluation of the diagnostic efficiency of serological investigations for C1 inhibitor deficiency". J. Clin. Pathol. 55 (2): 145–7. PMID 11865013. PMC 1769585. [e]
  9. ↑ McLean-Tooke A, Stroud C, Sampson A, Spickett G (May 2007). "Falsely normal C4 in a case of acquired C1 esterase inhibitor deficiency". J. Clin. Pathol. 60 (5): 565–6. DOI:10.1136/jcp.2006.041350. PMID 17513516. Research Blogging.
  10. ↑ Anonymous. cyklokapron (tranexamic acid) injection, solution. U.S. National Library of Medicine. Retrieved on 2009-02-19.
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