Montgomery T-tube for the Management of Postintubation Tracheoesophageal Fistula with Synchronic Subglottic Laryngotracheal Stenosis.
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ABSTRACT:
SUBMITTER: Li Z
PROVIDER: S-EPMC4360681 | biostudies-other | 2014 Dec
REPOSITORIES: biostudies-other
Similar Datasets
Project description:Esophageal atresia and tracheoesophageal fistula (EA/TEF) are relatively frequently occurring foregut malformations with a largely unknown etiology. EA/TEF is thought to have a strong genetic component and several genes have been proven to be involved in syndromic EA/TEF. However, it is not clear which biological processes or gene networks are disturbed. To gain more insight in the origin of the TEF, we aimed to examine and describe TEF composition using a combination of whole-genome transcription profiling and (immuno-) histochemical stainings. We hypothesized that such characterization of human TEFs provides insight in the molecular and mechanistic etiology of EA/TEF. Data analysis was carried out using BRB-array tools version 4.6.0 (October 2018) in combination with R version 3.5.1 (July 2018). For each probe set, the geometric mean of the hybridization intensities of all samples was calculated. The level of expression of each probe set was determined relative to this geometric mean and logarithmically transformed (on a base 2 scale) to ascribe equal weight to gene-expression levels with similar relative distances to the geometric mean.
2020-10-30 | GSE148247 | GEO
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Project description:Dual and H-type tracheoesophageal fistulae can present major diagnostic and management difficulties. A methodological approach with flexible bronchoscopy and a guide wire cannulation technique was used to diagnose, localize, and aid operative surgical management in five children with dual and H-type tracheoesophageal fistulae. All children had successful outcomes.
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Project description:BackgroundH type tracheoesophageal fistula (H-TEF) is a rare congenital anomaly. Management may be complicated by late diagnosis and variation(s) in the therapeutic strategy. A systematic review of published studies explores the utility of diagnostic studies, operations and postoperative complications.MethodsMedline and PubMed database(s) were searched for ALL studies reporting H-TEF during 1997-2020. Using PRISMA methodology, manuscripts were screened for eligibility and reporting.ResultsForty-seven eligible studies were analysed. Primary diagnosis varied widely with surgeons performing oesophagography and trachea-bronchoscopy. Preoperative localisation techniques included fluoroscopy, guidewire placement and catheterisation. A cervical approach (209 of 272 cases), as well as thoracotomy, thoracoscopy and endoscopic fistula ligation, were all described. Morbidity included fistula recurrence (1.7%), leak (2%), tracheomalacia (3.4%) and respiratory sequelae (1%). The major adverse complication in all studies was vocal cord palsy secondary to laryngeal nerve injury (18.5%) yet strikingly few centres routinely reported undertaking vocal cord screening pre or postoperatively.ConclusionThis study shows that paediatric surgeons record low volume activity with H type tracheoesophageal fistula. Variation(s) in clinical practice are widely evident. Laryngeal nerve injury and its subsequent management warrant special consideration. Care pathways may offset attendant morbidity and define 'best practice.'
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Project description:ObjectiveTo evaluate inheritance patterns and define the familial clustering rate of idiopathic subglottic stenosis (iSGS).Study designRetrospective observational study.SettingInternational multicenter collaborative of >30 tertiary care centers.MethodsPatients with a clinically confirmed iSGS diagnosis within the North American Airway Collaborative's iSGS1000 cohort consented between 2014 and 2018 were eligible for enrollment. Patient demographics and disease severity were abstracted from the collaborative's iSGS longitudinal registry. Pedigrees of affected families were created.ResultsA total of 810 patients with iSGS were identified. Positive family history for iSGS was reported in 44 patients in 20 families. The rate of familial clustering in iSGS is 2.5%. Mean age of disease onset is 42.6 years. Of the 44 patients with familial aggregation of iSGS, 42 were female and 2 were male; 13 were mother-daughter pairs and 2 were father-daughter pairs. There were 3 sister-sister pairs. There was 1 niece-aunt pair and 2 groups of 3 family members. One pedigree demonstrated 2 affected mother-daughter pairs, with the mothers being first-degree paternal cousins. Inheritance is non-Mendelian, and anticipation is present in 11 of 13 (84%) parent-offspring pairs. The mean age of onset between parents (48.4 years) and offspring (36.1 years) was significantly different (P = .016).ConclusionThis study quantifies the rate of familial clustering of iSGS at 2.5%. Inheritance is non-Mendelian, and disease demonstrates anticipation. These data suggest that there may be a genetic contribution in iSGS.
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Project description:Acquired benign tracheoesophageal fistula (TOF) is a rare medical condition that usually results from trauma, foreign bodies or granulomatous infections. This is an unusual presentation of a male patient with a history of laryngectomy who has had over a period of several years inappropriately and vigorously used valve cleaning brushes to clean tracheal secretions, which has led to the formation of a TOF. Due to the patient's obsessive habit, we could not manage him using conventional surgical methods. Instead, we opted for the placement of a salivary bypass tube, which yielded good results and recovery. To the best of our knowledge, no other case of similar aetiology has been published. We would like to highlight the importance of appropriate patient selection and education prior to performing a tracheoesophageal puncture to avoid developing life-threatening complications as demonstrated in our case report.
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Project description:iSGS exhibits distinct genomic methylation signatures. These signatures expand current understanding of the iSGS phenotype and may inform the direction of future experimental studies.
2021-03-12 | GSE168614 | GEO
Project description:Esophageal atresia and tracheoesophageal fistula (EA/TEF) are major congenital malformations affecting 1:3500 live births. Current research efforts are focused on understanding the etiology of these defects. We describe well-known animal models, human syndromes, and associations involving EA/TEF, indicating its etiologically heterogeneous nature. Recent advances in genotyping technology and in knowledge of human genetic variation will improve clinical counseling on etiologic factors. This review provides a clinical summary of environmental and genetic factors involved in EA/TEF.
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Project description:To evaluate the role of targeted cyclooxygenase-2 inhibition in reducing scarring associated with a subglottic airway mucosal injury.Thirty-four New Zealand white rabbits underwent anterior cricothyroidotomy. Subglottic stenosis (SGS) was created by carbon dioxide laser injury.Treatment consisted of intraperitoneal injection of celecoxib or vehicle for 4 days. Endoscopies were performed to assess injury and healing. Subglottic mucosal secretions were collected with Gelfoam swabs (Pfizer Inc) before and after injury and at subsequent time points. Animals were humanely killed at 3 or 8 weeks after injury and airways were excised, followed by gross examination and histologic analysis to assess the severity of SGS. Secretions were analyzed for interleukin-1?, prostaglandin E2 (PGE2), and matrix metalloproteinase-8 by enzyme-linked immunosorbent assays.Endoscopy showed mild to moderate stenosis in the celecoxib group, but mild to severe stenosis in the vehicle group. Histologic assessment confirmed and quantified reduction in stenosis and scarring as well as advanced reepithelialization. In the healing tissue, mucosal thickening (stenosis) was reduced significantly (P = .02) in celecoxib-treated animals compared with those treated with vehicle, at 3 and 8 weeks (decrease in thickness by 32% and 49%, respectively). Collagen density (fibrosis) was also reduced 25% at both 3 and 8 weeks but the difference was not statistically significant (P = .20). Reduced level of PGE2 in the subglottic mucosal secretions was correlated with mucosal thickness at 8 weeks (P = .02).Short-duration, anti-inflammatory therapy resulted in reduced stenosis and fibrosis with correlation of PGE2 levels in subglottic mucosal secretions.
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