نتایج جستجو برای: congenital tracheomalacia
تعداد نتایج: 120522 فیلتر نتایج به سال:
BACKGROUND Tracheomalacia (TM) is a condition of excessive tracheal collapse during exhalation. Both acquired and congenital forms of TM are believed to result from morphological changes in cartilaginous, fibrous and/or smooth muscle tissues reducing airway mechanical properties to a degree that precipitates collapse. However, neither the specific amount of mechanical property reduction nor the...
Chronic obstructive pulmonary disease (COPD) is one of the leading causes of disability and death worldwide. COPD exacerbation is usually treated with antibiotics, systemic corticosteroids, and inhaled bronchodilators. We present a case of recurrent COPD exacerbation that was treated repeatedly with standard therapy. Dynamic expiratory computed tomography of the chest was done, which revealed c...
Between 1986 and 1988 aortopexy was carried out on 12 patients with primary tracheomalacia and five with tracheobronchomalacia; their median age was 5 months (1 month-7 years). All patients had stridor, 14 had had cyanotic and apnoeic episodes, and 10 had had 'death' attacks. Eight patients (47%) had associated gastro-oesophageal reflux. Six patients (35%) were helped by aortopexy alone, and a ...
OBJECTIVE To determine the cause of congenital airway abnormalities in pediatric patients requiring hospitalization for their respiratory status. DESIGN AND SETTING Case series in a tertiary care center. PATIENTS A 5-year retrospective chart review was conducted at our institution. A total of 174 patients were identified who required hospitalization for their respiratory status as a result ...
Missense mutations in TUBB3, the gene that encodes the neuronal-specific protein β-tubulin isotype 3, can cause isolated or syndromic congenital fibrosis of the extraocular muscles, a form of complex congenital strabismus characterized by cranial nerve misguidance. One of the eight TUBB3 mutations reported to cause congenital fibrosis of the extraocular muscles, c.1228G>A results in a TUBB3 E41...
Pediatric tracheal stenosis includes a variety of entities characterized by a diminished airway lumen. Congenital entities can be classified into (i) intrinsic disease caused by short(e.g. tracheal webs) or long-segment forms of tracheal stenosis (e.g. tracheal atresia/agenesis and primary tracheomalacia) and (ii) extrinsic disease caused by cardiovascular anomalies such as vascular rings and/o...
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