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__NOTOC__
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{{SI}}
{{Duodenal atresia}}
{{CMG}}


==Overview==
{{CMG}}; {{AE}} {{HQ}}
'''Duodenal atresia''' is the congenital absence or complete closure of a portion of the lumen of the [[duodenum]].


==Historical Perspective==
'''For patient information, click [[Duodenal atresia (patient information)|here]]'''


==Classification==
{{SK}} Atresia of duodenum, atresia duodenum, duodenal stenosis.


==Pathophysiology==
==[[Duodenal atresia overview|Overview]]==
==[[Duodenal atresia historical perspective|Historical Perspective]]==


==Causes==
==[[Duodenal atresia classification|Classification]]==


==Differentiating {{PAGENAME}} from Other Diseases==
==[[Duodenal atresia pathophysiology|Pathophysiology]]==


==Epidemiology and Demographics==
==[[Duodenal atresia causes|Causes]]==
Approximately 20-40% of all infants with duodenal atresia have [[Down syndrome]]. It is also associated with polyhydramnios which is increased amniotic fluid in the uterus.


==Risk Factors==
==[[Duodenal atresia differential diagnosis|Differentiating Duodenal atresia  from other Diseases]]==


==Screening==
==[[Duodenal atresia epidemiology and demographics|Epidemiology and Demographics]]==


==Natural History, Complications, and Prognosis==
==[[Duodenal atresia risk factors|Risk Factors]]==
===Natural History===


===Complications===
==[[Duodenal atresia screening|Screening]]==


===Prognosis===
==[[Duodenal atresia natural history, complications and prognosis|Natural History, Complications and Prognosis]]==


==Diagnosis==
==Diagnosis==
===Diagnostic Criteria===
[[Duodenal atresia diagnostic study of choice|Diagnostic study of choice]] | [[Duodenal atresia history and symptoms|History and Symptoms]] | [[Duodenal atresia physical examination|Physical Examination]] | [[Duodenal atresia electrocardiogram|Electrocardiogram]] | [[Duodenal atresia laboratory findings|Laboratory Findings]] | [[Duodenal atresia x ray|X-Ray Findings]] | [[Duodenal atresia echocardiography and ultrasound|Echocardiography and Ultrasound]] | [[Duodenal atresia CT scan|CT-Scan Findings]] | [[Duodenal atresia MRI|MRI Findings]] | [[Duodenal atresia other diagnostic studies|Other Diagnostic Studies]] | [[Duodenal atresia other imaging findings|Other Imaging Findings]]
The diagnosis of duodenal atresia is usually confirmed by radiography.  An X-ray of the abdomen shows two large air filled spaces, the so-called "double bubble" sign.  The air is trapped in the stomach and duodenum.  Since the closure of the duodenum is complete in duodenal atresia, no air is seen distal to the duodenum.
 
===History and Symptoms===
 
===Physical Examination===
 
===Laboratory Findings===
 
===Imaging Findings===
==== Chest X Ray ====
[[Image:Duodenal atresia (double bubble).jpg.jpg|thumb|center|Duodenal atresia (double bubble), Down Syndrome<ref>http://picasaweb.google.com/mcmumbi/USMLEIIImages</ref>]]
 
====CT====
'''Mom had CT scan to rule out appendicitis. Duodenal atresia incidentally noted'''
<gallery>
Image:Duodenal-atresia-001.jpg
Image:Duodenal-atresia-002.jpg</gallery>
 
* For the neonate with the classic appearance of a double bubble, additional radiologic investigation is unnecessary, and the surgeon is alerted to plan for surgery, since all congenital causes of duodenal obstruction require surgery.
* The '''double bubble''' sign is a finding observed on radiographs of newborns and infants.
* The finding depicts two air-filled structures in the upper abdomen, with little or no air distally.
* The proximal left-sided bubble is the air- and fluid-filled stomach. The proximal duodenum represents the second bubble to the right of the midline.
* It is reproducible with a variety of other imaging modalities, including upper gastrointestinal studies and sonography.
 
===Other Diagnostic Studies===


==Treatment==
==Treatment==
===Medical Therapy===
[[Duodenal atresia medical therapy|Medical Therapy]] | [[Duodenal atresia surgery|Surgery]] | [[Duodenal atresia primary prevention|Primary Prevention]] | [[Duodenal atresia secondary prevention|Secondary Prevention]] | [[Duodenal atresia cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Duodenal atresia future or investigational therapies|Future or Investigational Therapies]]


===Surgery===
==Case Studies==
[[Duodenal atresia case study one|Case #1]]


===Prevention===
==Related Chapters==
[[Volvulus]], [[intestinal atresia]], [[Intestinal malrotation|malrotation]], [[Bowel obstruction]]


==References==
==References==
{{Reflist|2}}
{{Reflist|2}}
[[de:Duodenalatresie]]


[[Category:Gastroenterology]]
[[Category:Gastroenterology]]

Latest revision as of 14:24, 3 January 2018

Duodenal Atresia Microchapters

Home

Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Duodenal Atresia from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

Diagnostic Study of Choice

History and Symptoms

Physical Examination

Laboratory Findings

Electrocardiogram

X-ray

Echocardiography and Ultrasound

CT scan

MRI

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Guidelines for Management

Case Studies

Case #1

Duodenal atresia On the Web

Most recent articles

Most cited articles

Review articles

CME Programs

Powerpoint slides

Images

American Roentgen Ray Society Images of Duodenal atresia

All Images
X-rays
Echo & Ultrasound
CT Images
MRI

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA on Duodenal atresia

CDC on Duodenal atresia

Duodenal atresia in the news

Blogs on Duodenal atresia

Directions to Hospitals Treating Psoriasis

Risk calculators and risk factors for Duodenal atresia

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Hamid Qazi, MD, BSc [2]

For patient information, click here

Synonyms and keywords: Atresia of duodenum, atresia duodenum, duodenal stenosis.

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Duodenal atresia from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

Diagnostic study of choice | History and Symptoms | Physical Examination | Electrocardiogram | Laboratory Findings | X-Ray Findings | Echocardiography and Ultrasound | CT-Scan Findings | MRI Findings | Other Diagnostic Studies | Other Imaging Findings

Treatment

Medical Therapy | Surgery | Primary Prevention | Secondary Prevention | Cost-Effectiveness of Therapy | Future or Investigational Therapies

Case Studies

Case #1

Related Chapters

Volvulus, intestinal atresia, malrotation, Bowel obstruction

References

Template:WH Template:WS

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