Constipation abdominal x ray: Difference between revisions
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=== Sensitivity and specificity === | |||
*Sensitivity and specificity of scoring systems for diagnosing constipation are as following: | |||
==References== | ==References== | ||
{{Reflist|2}} | {{Reflist|2}} | ||
Revision as of 16:25, 14 December 2017
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Constipation On the Web |
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American Roentgen Ray Society Images of Constipation |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Eiman Ghaffarpasand, M.D. [2]
Overview
An abdominal X-ray may be helpful in the diagnosis of constipation. Findings on an X-ray suggestive of constipation is interpreted according to three scoring system, including Barr, Blethyn, and Leech systems. Barr scoring system is the first scoring method used to interpret abdominal X-ray suggestive of constipation. The total score of more than 10 was postulated as diagnosis of constipation. The revised scoring system of Blethyn (simplified version of Barr scoring system) is based on the amount of remained feces in large bowel. The Blethyn scoring system consists of 4 grades of fecal retention in bowels. The most progressed and organized scoring system for diagnosis of constipation is Leech method. The score of more than 8 is considered as constipation.
Abdominal X-ray
- An abdominal X-ray may be helpful in the diagnosis of constipation.
- Findings on an X-ray suggestive of constipation in children is interpreted according to three scoring system, including Barr, Blethyn, and Leech systems.
Barr scoring system
- Barr scoring system is the first scoring method used to interpret abdominal X-ray suggestive of constipation.
- The main identifier in Barr system is stool retention severity in bowels seen on abdominal X-ray.
- The total score of more than 10 was postulated as diagnosis of constipation.[1]
| Scoring elements | Scores |
|---|---|
| The quantity of stool in ascending colon | 0-1-2 points |
| The quantity of stool in transverse colon | 0-2-5 points |
| The quantity of stool in descending colon | 0-3-4 points |
| The quantity of stool in rectum | 0-2-5 points |
| The quality of the retained stool is expressed in scybala | 0-1-2-3 points |
| The quality of the retained stool is expressed in granular feces | 0-2-4-5 points |
Blethyn scoring system
- The revised scoring system of Blethyn (simplified version of Barr scoring system) is based on the amount of remained feces in large bowel.
- The Blethyn scoring system consists of 4 grades of fecal retention in bowels.[2]
| Scoring element | Grade | Constipation severity |
|---|---|---|
| Feces in rectum and caecum only | 0 | Normal |
| Feces in rectum and caecum and discontinuous elsewhere | 1 | Mild |
| Feces in rectum and caecum, continuous and affecting all segments | 2 | Moderate |
| Feces in rectum and caecum, continuous elsewhere and dilated colon and impacted rectum | 3 | Severe |
 Leech scoring system
Sensitivity and specificity
References
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