Duodenal atresia: Difference between revisions

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==Overview==
'''For patient information, click [[Xyz (patient information)|here]]'''
'''Duodenal atresia''' is the congenital absence or complete closure of a portion of the lumen of the [[duodenum]].


==Historical Perspective==
{{CMG}}; {{AE}} {{HQ}}


==Classification==
==[[Duodenal atresia overview|Overview]]==
'''Duodenal atresia''' is the congenital absence or complete closure of a portion of the lumen of the [[duodenum]].


==Pathophysiology==
==[[Xyz historical perspective|Historical Perspective]]==


==Causes==
==[[Xyz classification|Classification]]==


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


==Epidemiology and Demographics==
==[[Xyz 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==
==[[Xyz differential diagnosis|Differentiating Xyz  from other Diseases]]==


==Screening==
==[[Xyz epidemiology and demographics|Epidemiology and Demographics]]==


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


===Complications===
==[[Xyz screening|Screening]]==


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


==Diagnosis==
==Diagnosis==
===Diagnostic Criteria===
[[Xyz diagnostic study of choice|Diagnostic study of choice]] | [[Xyz history and symptoms|History and Symptoms]] | [[Xyz physical examination|Physical Examination]] | [[Xyz electrocardiogram|Electrocardiogram]] | [[Xyz laboratory findings|Laboratory Findings]] | [[Xyz x ray|X-Ray Findings]] | [[Xyz echocardiography and ultrasound|Echocardiography and Ultrasound]] | [[Xyz CT scan|CT-Scan Findings]] | [[Xyz MRI|MRI Findings]] | [[Xyz other diagnostic studies|Other Diagnostic Studies]] | [[Xyz 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===
[[Xyz medical therapy|Medical Therapy]] | [[Xyz surgery|Surgery]] | [[Xyz primary prevention|Primary Prevention]] | [[Xyz secondary prevention|Secondary Prevention]] | [[Xyz cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Xyz future or investigational therapies|Future or Investigational Therapies]]
 
===Surgery===


===Prevention===
==Case Studies==
[[Xyz case study one|Case #1]]


==References==
==References==

Revision as of 19:15, 27 December 2017

Duodenal Atresia Microchapters

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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

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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]


https://https://www.youtube.com/watch?v=7481ok2xsbI%7C350}}

For patient information, click here

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [3]; Associate Editor(s)-in-Chief: Hamid Qazi, MD, BSc [4]

Overview

Duodenal atresia is the congenital absence or complete closure of a portion of the lumen of the duodenum.

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Xyz 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

References

de:Duodenalatresie

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