Stenosis: Difference between revisions

Revision as of 11:34, 15 February 2025

A narrowing of the bronchial tubes

Bronchial stenosis is a medical condition characterized by the narrowing of the bronchial tubes, which are the air passages that lead from the trachea to the lungs. This condition can lead to significant respiratory issues due to the obstruction of airflow.

Causes

Bronchial stenosis can result from a variety of causes, including:

Inflammation due to infections such as tuberculosis or pneumonia.
Trauma to the bronchial tubes, which may occur during surgical procedures or due to inhalation of foreign objects.
Tumors that grow within or compress the bronchial tubes.
Autoimmune diseases such as granulomatosis with polyangiitis.
Congenital abnormalities present at birth.

Symptoms

The symptoms of bronchial stenosis can vary depending on the severity of the narrowing and may include:

Dyspnea (shortness of breath)
Wheezing
Coughing, which may be persistent
Stridor, a high-pitched wheezing sound
Recurrent respiratory infections

Diagnosis

Diagnosis of bronchial stenosis typically involves imaging studies such as:

Chest X-ray
Computed tomography (CT) scan, which provides detailed images of the bronchial tubes
Bronchoscopy, a procedure that allows direct visualization of the airways

Treatment

Treatment options for bronchial stenosis depend on the underlying cause and severity of the condition. They may include:

Bronchoscopic interventions, such as balloon dilation or stent placement, to open the narrowed airway.
Surgical resection of the affected segment of the bronchus in severe cases.
Medications to treat underlying infections or inflammation.
Radiation therapy or chemotherapy if the stenosis is due to a tumor.

Prognosis

The prognosis for individuals with bronchial stenosis varies. With appropriate treatment, many patients experience significant improvement in symptoms. However, the condition can be chronic and may require ongoing management.

Related pages

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-{{Infobox medical condition (new)
+{{Short description|A narrowing of the bronchial tubes}}
-| name            = Stenosis
+{{Use dmy dates|date=October 2023}}
-| synonyms        = Stenoses
-| pronounce       = {{IPAc-en|s|t|ə|ˈ|n|oʊ|s|ᵻ|s}}
-| field           =
-| image           = Bronchial stenosis CT.JPG
-| caption         = [[CT scan]] of a [[bronchus|bronchial]] stenosis<br>(arrow) that resulted from [[tracheobronchial injury]]
-| symptoms        =
-| complications   =
-| onset           =
-| duration        =
-| types           =
-| causes          =
-| risks           =
-| diagnosis       =
-| differential    =
-| prevention      =
-| treatment       =
-| medication      =
-| prognosis       =
-| frequency       =
-| deaths          =
-}}
-A '''stenosis''' (from [[Ancient Greek]] στενός, "narrow") is an abnormal narrowing in a [[blood vessel]] or other tubular [[Organ (anatomy)|organ]] or structure. It is also sometimes called a '''stricture''' (as in [[urethral stricture]]).<ref>{{cite web |url=http://www.mercksource.com/pp/us/cns/cns_hl_dorlands_split.jsp?pg=/ppdocs/us/common/dorlands/dorland/seven/000100588.htm#000100588 |title=Dorlands Medical Dictionary:stenosis |publisher=www.mercksource.com |accessdate=2010-05-05 }}</ref>
-''Stricture'' as a term is usually used when narrowing is caused by contraction of [[smooth muscle]] (e.g. [[achalasia]], [[prinzmetal angina]]); ''stenosis'' is usually used when narrowing is caused by lesion that reduces the space of [[lumen (anatomy)|lumen]] (e.g. [[atherosclerosis]]).{{cn|date=August 2015}} The term '''coarctation''' is another synonym,<ref>{{DorlandsDict|two/000022218|coarctation}}</ref> but is commonly used only in the context of [[aortic coarctation]].
+'''Bronchial stenosis''' is a medical condition characterized by the narrowing of the bronchial tubes, which are the air passages that lead from the trachea to the lungs. This condition can lead to significant respiratory issues due to the obstruction of airflow.
-[[Restenosis]] is the recurrence of stenosis after a procedure.
+==Causes==
+Bronchial stenosis can result from a variety of causes, including:
-==Types==
+* [[Inflammation]] due to infections such as [[tuberculosis]] or [[pneumonia]].
-The resulting syndrome depends on the structure affected.
+* [[Trauma]] to the bronchial tubes, which may occur during surgical procedures or due to inhalation of foreign objects.
+* [[Tumors]] that grow within or compress the bronchial tubes.
+* [[Autoimmune diseases]] such as [[granulomatosis with polyangiitis]].
+* [[Congenital]] abnormalities present at birth.
-{{Anchor|Vascular}} Examples of vascular stenotic lesions include:
+==Symptoms==
-*[[Intermittent claudication]] (peripheral artery stenosis)
+The symptoms of bronchial stenosis can vary depending on the severity of the narrowing and may include:
-*[[Angina pectoris|Angina]] ([[Coronary artery disease|coronary artery stenosis]])
-*[[Carotid artery stenosis]] which predispose to ([[stroke]]s and [[transient ischaemic episode]]s)
-*[[Renal artery stenosis]]
-{{Anchor|Valvular}} The types of stenoses in [[heart valve]]s are:
+* [[Dyspnea]] (shortness of breath)
-*[[Pulmonary valve stenosis]], which is the thickening of the [[pulmonary valve]], therefore causing narrowing
+* [[Wheezing]]
-*[[Mitral valve stenosis]], which is the thickening of the [[mitral valve]] (of the [[left heart]]), therefore causing narrowing
+* [[Coughing]], which may be persistent
-*[[Tricuspid valve stenosis]], which is the thickening of the [[tricuspid valve]] (of the [[right heart]]), therefore causing narrowing
+* [[Stridor]], a high-pitched wheezing sound
-*[[Aortic valve stenosis]], which is the thickening of the [[aortic valve]], therefore causing narrowing
+* [[Recurrent respiratory infections]]
-Stenoses/strictures of other bodily structures/organs include:
-*[[Pyloric stenosis]] ([[gastric]] outflow obstruction)
-*[[Lumbar spinal stenosis|Lumbar]], [[cervical spinal stenosis|cervical]] or thoracic [[spinal stenosis]]
-*[[Subglottic stenosis]] (SGS)
-*[[Tracheal stenosis]]
-*[[Obstructive jaundice]] ([[biliary tract]] stenosis)
-*[[Bowel obstruction]]
-*[[Phimosis]]
-*[[Non-communicating hydrocephalus]]
-*[[Stenosing tenosynovitis]]
-*[[Atherosclerosis]]
-*[[Esophageal stricture]]
-*[[Achalasia]]
-*[[Prinzmetal angina]]
-*[[Vaginal stenosis]]
-==Causes==
-*[[atherosclerosis]] causes stenotic lesions in [[arteries]].
-*[[birth defect]]s
-*[[calcification]]
-*[[diabetes]]
-*[[iatrogenic]], e.g. secondary to [[radiation therapy]]
-*[[infection]]
-*[[inflammation]]
-*[[ischemia]]
-*[[neoplasm]] – in such cases, the stenosis is often said to be "[[malignant]]" or "[[benign]]", although this attribute actually refers to the neoplasm itself.
-*[[smoking]]
-*[[ureter]]al
-*[[urethra]]l
 ==Diagnosis==
-Stenoses of the [[Blood vessel|vascular]] type are often associated with [[bruit|unusual blood sounds]] resulting from turbulent flow over the narrowed blood vessel. This sound can be made audible by a [[stethoscope]], but diagnosis is generally made or confirmed with some form of [[medical imaging]].
+[[File:Bronchial_stenosis_CT.JPG|thumb|right|CT scan showing bronchial stenosis]]
-==See also==
+Diagnosis of bronchial stenosis typically involves imaging studies such as:
-*[[Atresia]]
-*[[Restenosis]]
+* [[Chest X-ray]]
-{{stub}}
+* [[Computed tomography]] (CT) scan, which provides detailed images of the bronchial tubes
-{{Vascular diseases}}
+* [[Bronchoscopy]], a procedure that allows direct visualization of the airways
-[[Category:Gross pathology]]
-[[Category:Medical terminology]]
+==Treatment==
+Treatment options for bronchial stenosis depend on the underlying cause and severity of the condition. They may include:
+* [[Bronchoscopic]] interventions, such as balloon dilation or stent placement, to open the narrowed airway.
+* [[Surgical resection]] of the affected segment of the bronchus in severe cases.
+* [[Medication]]s to treat underlying infections or inflammation.
+* [[Radiation therapy]] or [[chemotherapy]] if the stenosis is due to a tumor.
+==Prognosis==
+The prognosis for individuals with bronchial stenosis varies. With appropriate treatment, many patients experience significant improvement in symptoms. However, the condition can be chronic and may require ongoing management.
+==Related pages==
+* [[Bronchitis]]
+* [[Asthma]]
+* [[Chronic obstructive pulmonary disease]]
+* [[Tracheal stenosis]]
+[[Category:Respiratory diseases]]