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1. the act of blocking or clogging.
2. the state or condition of being clogged; see also atresia. Called also blockade, closure, and occlusion.
chronic airflow obstruction (chronic airway obstruction) name given to a group of disorders in which the upper or lower airways are chronically obstructed; it includes chronic bronchitis, asthma, emphysema, pneumoconiosis, and any other type of chronic obstructive pulmonary disease.
intestinal obstruction see intestinal obstruction.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


Blockage, clogging, or impeded flow, for example, by occlusion or stenosis.
[L. obstructio]
Farlex Partner Medical Dictionary © Farlex 2012


A blocking or clogging of a tube or vessel. See Ball-valve obstruction, Biliary obstruction, Bladder outlet obstruction, Bowel obstruction, Bypass obstruction, Nasal obstruction, UPJ obstruction.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.


Blockage or clogging, e.g., by occlusion or stenosis.
[L. obstructio]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


A blockage that prevents movement.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.


Blockage, clogging, or impeded flow.
[L. obstructio]
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about obstruction

Q. I recently had my surgery for bowel obstruction? I recently had my surgery for bowel obstruction? None of the diet was restricted for me by doctor but should I go for any special diet.

A. I had surgery in 08/08 during having a c-section and hernia repair, and I'm having diarrhea all the time. I don't know what to eat nor what medicines to take. Only Immodium AD helps temporary. If I have an appointment, I don't eat breakfast or lunch. I come home and eat dinner. About 30 minutes after eating, I'm in the bathroom. Can someone help me please? I have to return back to work next month, and I don't want to be in the bathroom more than I am at my desk.

Q. (COPD)chronic obstructive pulmonary disease the main causes of?

A. Mainly smoking, although ambient air pollution and industrial exposure to dust have also been implicated as causes.

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References in periodicals archive ?
Since there is little chance of convergence given the obstructionist politics in the second state, the contested state is unlikely to do much to try to reduce regulatory barriers.
Paige later apologized for "an inappropriate choice of words" but still maintained that the NEA used "obstructionist scare tactics" in opposing the law.
The New York Times featured his obituary on page one, summing up an extraordinarily dazzling and diverse career: successful magazine writer and editor; celebrated popularizer of Christian ideas; advertising trailblazer; public relations guru to presidents Calvin Coolidge and Herbert Hoover; Republican congressman from Manhattan's "silk-stocking" district; and, not least, rhetorical whipping boy of Franklin Delano Roosevelt, whose jibes at the obstructionist lawmakers "Martin, Barton, and Fish" felicitously tripped off of the tongues of Democrats in the homestretch of the 1940 presidential campaign.
Detractors say that process allows every obstructionist to have undue influence over the allowance of the final permit, to the point where those willing to invest in recycling Facilities are not because of the uncertainty of the permitting process.
"Judges are becoming more willing to dismiss jurors when they are obstructionist or refusing to deliberate," Graham said.
However, while Conoy solicitor Mike Hohenadel said the township's decision not to release the study was based on report author ENSR International's need to obtain additional information from Penn-Mar and denied any "obstructionist" motives, the newspaper said those opposed to the township's decision, such as Conoy businesswoman Judy Nissley, stressed that the local residents "have a right to see whatever document is presented."
Most stars have obstructionist managers and other hangers-on to protect them from the world.
Sobel presents the demands of the Board of Longitude to test and replicate the chronometer as the obstructionist machinations of an academic elite.
It was an inappropriate choice of words to describe the obstructionist scare tactics the NEA's Washington lobbyists have employed against No Child Left Behind's historic education reforms.
But the 20-member native council is also being criticized, by both natives and non-natives, for acting in what is seen as a high-handed and obstructionist manner and criticizing the one man, Archbishop Peers, who has led the journey toward healing between the church and indigenous Anglicans.
Furthermore, one should avoid depicting those who doubt such threats as stubborn, obstructionist tools of industry.
Calling Daschle "one of the main obstructions we have in Washington right now," Lessner said "we are going to make him feel some pain and pay a price for his obstructionist tactics."