Diagnosis and Management of Benign Central Airway Stenosis: Experience from Vietnam = Diagnosis and Management of Benign Central Airway Stenosis: Experience from Vietnam
저자
( Ngo Quy Chau ) ; ( Giap Vu Van ) ; ( Du Nguyen Ngoc ) ; ( Duc Hoang Anh )
발행기관
대한결핵 및 호흡기학회(The Korean Academy of Tuberculosis and Respiratory Diseases)
학술지명
권호사항
발행연도
2021
작성언어
-주제어
KDC
500
자료형태
학술저널
수록면
247-248(2쪽)
제공처
Introduction
We present a brief review on the diagnosis and management of the central airway obstruction (CAO) in particular nonmalignant CAO. There are multiple causes. The laryngotracheal stenosis is frequently caused by prolong intubation or tracheostomy with the cuff injury, stomal stenosis, tube tip granulations. The patients with CAO may have non-typical clinical signs such as cough, stridor, wheezing. It is easily overlooked or misdiagnosed. Most patients do not complain of dyspnea until the lumen of the central airway is obstructed by approximately 50%. The first paraclinical exam indicated is Chest CT scans with 2 D or 3 D rendering of tracheo-bronchial tree but the bronchoscopy permit the diagnosis, evaluation of the lesion with degree, location and morphological classsification of stenosis. The management of benign airway stenosis require a multidiscipline team discussion with two options: surgical resection and interventional bronchoscopy. There bronchoscopic interventions with their advantages and inconveniences are discussed: bronchoplasty, electrocautery and airway stent.
We present some Experiences from Bach Mai hospital, Vietnam
Case 1: 43-year-old male patient was admitted for dyspnea. He had motorcycle accident 2 months before, after the accident, the patient was comatose, had IMV for 1 month. Bronchoscopy: severe membranous stenosis of the subglottic segment, 3cm from the vocal cords. He had intervention with electrocautery then balloon dilation with good success.
Case 2: Male patient, 57 years old, admitted to Bach Mai hospital due to wheezing, shortness of breath 3 weeks ago. He had hospital-acquired pneumonia treated at ICU in 2 months, twice intubations, 11 days mechanical ventilation. Bronchoscopy showed membranous stenosis of the trachea, 3cm from the vocal cords. He had intervention with electrocautery then balloon dilation with good success.
Case 3: 16-year-old man hospitalized for shortness of breath. History: 6 months before this hospitalization, patients had trafic accident and mechanical ventilation for 2 weeks and tracheostomy. Chest CT: tracheal stenosis above tracheostomy. He had surgical resection of tracheal stenosis but the dyspnea and wheezing persist due to tracheal anastomotic stenosis post operation. After MDT discussion, he had Interventional bronchoscopy - stenting with good success.
Case 4: 36 years old male patient, had a traffic accident 4 years ago. He was intubated then tracheostomized. Subsequently, the patient developed tracheal stenosis and had a metallic stent through flexible bronchoscopy. After intervention, metallic stent was displaced many times, the patient had to undergo the surgery to fix the stent to the trachea. For one year, he had many episodes of shortness of breath with wheezing. Chest CT scan and bronchoscopy showed the tracheal stenosis below the metallic stent. He was transfert to BACH MAI hospital. He had surgical remove of metallic stent. A silicone stent was put through rigid bronchoscopy sucessfully.
Case 5: A male patient 34 years old. He had a traumatic brain injury requiring craniotomy. After the surgery, the patient presented a tracheal stenosis post intubation. He had long term tracheostomy with several unsuccessful remove. MDT discussion: interventional bronchoscopy with tracheal stent. Due to the fixation of cervical spine post accident, we had first perfomed the tracheotomy then used rigid bronchoscopy to put the tracheal stent through the tracheotomy.
In conclusions
Tracheal stenosis can be difficult to treat and necessitate a multi-disciplinary approach in order to offer the best available solution for each patient. Intervention Bronchoscopy can provide durable successful results in selected patients. We had bronchoplasty, electrocautery, balloon dilation, rigid bronchoscopy, stent. We need to apply and developpe more other interventional bronchoscopy such as laser.
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