• Proceedings of the KOR-BRONCHOESO Conference
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• 1983.05a
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• pp.7.2-8
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• 1983

Chronic laryngotracheal stenosis is becoming increasingly prevalent. Many acceptable procedures such as repeated dilation, laryngotracheoplasty and end-to-end anastomosis had been done according to it's indication, but it have given less than favorable results. Since 1972 the experimental and clinical experiences of Jako and Strong, the carbon dioxide laser has offered a valuable tool to the otolaryngologist. Mihashi (1976) and Lyons (1980) reported use of laser to the management of laryngotracheal stenosis with successful results. From April 82' to March 83', using the carbon dioxide laser, the various obstructing lesions were excised microendoscopically which include four patients considered failures from conventional surgical technique and one patient laryngeal stenosis occured after hemilaryngectomy and neoglottis formation. We concluded as follows, 1) Laser surgery is a useful method to the management of laryngotracheal stenosis in maintaining adequate airway. 2) Formation of granulation after laser surgery was less than other conventional methods.

• Proceedings of the KOR-BRONCHOESO Conference
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• 2001.12a
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• pp.14-16
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• 2001

• Korean Journal of Bronchoesophagology
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• v.1 no.1
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• pp.82-93
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• 1995

Three-dimensional reconstruction of computed tomographic image(3D CT) is a well-established imaging modality which has been investigated in various clinical settings. It is commonly performed in case of congenital or developmental abnormalities, and traumatic fracture of skull and face that requires reconstruction of osseous structure. However reporting the 3D CT in laryngeal or tracheal stenosis is rare and its results are obscure. The authors performed 3D CT in six cases of tracheal stenosis and found diagnostic value of 3D CT. A Comparision of diagnostic information obtained from plain X-ray, 2D CT and 3D CT has performed in total six cases of tracheal stenosis. Surgical treatment of the tracheal stenosis was following in these cases : tracheal end to end anastomosis In 1 case, laryngotracheal end to end anastomosis in 2 cases. 3D CT information was compared with operative finding. In two of six cases, satisfactory information was not obtained from 3D CT in evaluating an exact stenosis of trachea. Future, it will be helped in evaluating of tracheal stenosis by 3D CT.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.25 no.1
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• pp.31-35
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• 2014

Objectives : The aim of this study was to evaluate the effectiveness and feasibility of coblation resection for the treatment of laryngotracheal disease. Methods : We conducted a retrospective review, evaluating 7 patients with laryngotracheal disease treated using coblator. Information collected included demographic data of the patients, diagnosis, size and location of the disease, procedure time, the number of previous operation, and the postoperative complication. Results : Among the etiology, granulation is most frequent (n=4), followed by recurrent repiratory papillomatosis (n=2) and tracheal stenosis (n=1). The location of lesions was peristomal area (n=2), glottis (n=2), subglottis (n=2) and mid-trachea. Coblation resection could remove the lesions completely and there was no significant complication including local burn, bleeding, and hypertrophic scar. The procedure time was shorter than the previous operation using $CO_2$ laser. Conclusion : Coblation resection is an effective and safe method for layngotracheal disease and can substitute the classic method such as $CO_2$ laser.

• Journal of Chest Surgery
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• v.22 no.5
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• pp.834-838
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• 1989

Tracheal stenosis is being encountered more frequently as ventilatory support and cuffed tubes are increasingly used for treatment of respiratory failure. We experienced 13 cases of tracheal stenosis treated surgically at department of Thoracic and Cardiovascular Surgery, school of medicine, Kyung Hee university during the 4 years. The causes of tracheal stenosis were prolonged endotracheal intubation 5 cases, tracheostomy 3 cases, tracheal tumor 2 cases, thyroid tumor 1 case and congenital double aortic arch 1 case. The methods used to manage the tracheal stenosis were tracheal resection % end to end anastomosis 8 cases, 2 cases of subglottic stenosis were underwent primary laryngotracheal anastomosis, Lt. aortic arch division 1 case, and stent insertion 2 cases. In two cases, who had 6 cm in length of tracheal stenosis, we were underwent tracheal resection k end to end anastomosis with supralaryngeal release procedure. Postoperative courses were uneventful except one case with tracheal tumor.

• Korean Journal of Bronchoesophagology
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• v.4 no.2
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• pp.165-170
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• 1998

Background and Objectives : Decannulation failure may result from factors such as inadequate ability 0 clear secretion, mucosal induration, granulation tissue, restenosis, tracheal wall depression and vocal cord palsy. We were to evaluate the effectiveness of surgical treatment on the basis of site and type of stenosis. Materials and Method : A series of 44 cases of decannulation difficulty between 1993 and 1997 were reviewed. The following data were collected on each of these patients : primary disease, indication for tracheostomy, site of stenosis, endoscopic findings of stenosis, surgical techniques used for treatment. Results : Primary diseases were 30 head trauma, 4 neck injury, 10 other diseases. Indication for tracheostomy were 37 prolonged intubation, 4 emergency tracheostomy, 3 laryngeal trauma. Endoscopic findings of stenosis were 24 granulation tissue, 16 laryngotracheal collapse, 4 combined with granulation tissue and collapse. Site of stenosis were 3 glottic, 9 subglottic, 24 stomal, 1 substomal, 7 mixed. 22 of 24 cases were decannulation using endoscopic treatment. Conclusion : The most common cause of failed decannulation was sternal granulation tissue. The most effective treatment of granulation tissue was endoscopic technique.

• Journal of Chest Surgery
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• v.25 no.11
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• pp.1299-1304
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• 1992

We experienced 5 cases of tracheal stenosis and 7 cases bronchial stenosis treated surgically at the Department of Thoracic and Cardiovascular Surgery, School of Medicine, Hanyang University during 5 years. The causes of tracheal stenosis were prolonged endotracheal intubation 1 case, tracheostomy 1 case, the sequela of endobronchial tuberculosis 2 cases and tracheomalacia 1 case. The causes of bronchial stenosis were all endobronchial tuberculosis. The managements of tracheal stenosis were tracheal resection and end to end anastomosis. The resected lengths of trachea were 1.5cm, 3cm and 7.5cm. One case of suglottic stenosis was underwent the resection of trachea, 8cm in length, and the laryngotracheal anastomosis was done, but the re-stenosis of trachea was developed after 4 weeks post-operatively. One case of tracheomalacia was done permanent tracheostomy only, because the entire trachea was adhered to the surrounding tissue. The managements of bronchial stenosis were resection of involved lobe or one lung, in the 5 case. One case with Lt. main bronchial stenosis and atelectasis of Lt. upper lobe was done the lobectomy of Lt. upper lobe only and then, the Lt. pneumonectomy was done re-operatively because the atelectasis of Lt. lower lobe had continued. The other one case with stenosis of Rt. main bronchus, failed the insertion of metalic stent, was underwent the Rt. upper lobe lobectomy, sleeve resection and side to end anastomosis

• Proceedings of the KOR-BRONCHOESO Conference
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• 1993.05a
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• pp.80-80
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• 1993

Airway stenosis in children may be classified into congenital and acquired forms. The incidence of acquired forms is increasing mainly due to increase in prolonged intubation and trauma. In congenital stenosis with significantly compromised airway, the patient may be tracheotomized and allowed some waiting period while expecting spontaneous resolution as the child grows. However, with this treatment policy, there is a considerably higher mortality and morbidity for the acquired disease as to often warrant surgical reconstruction. The authors reviewed the medical records of 22 pediatric patients under the age of 15 who have had airway reconstruction at the authors' department from the beginning of January, 1988 through the end of December, 1992. The prognosis was analyzed in light of the etiology, site and severity of the stenosis, and the type of reconstructive measures.

• Korean Journal of Bronchoesophagology
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• v.1 no.1
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• pp.13-23
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• 1995

후두 및 기관협착증은 선천적으로 발생하기도 하지만 대부분이 후천적으로 발생한다. 후천적인 원인으로는 외부로부터의 외상에 의하기도 하지만 대개가 기관내 삽관 후유증으로 발생하는 것으로 알려져 있다. 기관내 삽관에 의한 기도 점막의 손상은 대부분 가역적이기는 하지만 영구적으로 협착을 초래하는 경우, 그 치료에 있어서 많은 노력이 필요할 뿐만 아니라 치료 자체가 매우 까다롭고 실패 할 수도 있다. 따라서 후두 및 기관협착증의 원인을 정확히 이해하고 예방하는 것이 매우 중요하다. 이러한 관점에서 후두 및 기관협착증의 선천적, 후천적 원인들에 대해서 검토하여 보았다. 특히 기도 내 삽관에 따른 협착증이 가장 많은 빈도를 차지하는 만큼, 이의 병태생리와 발생에 관여하는 여러 인자들에 대해서 중점적으로 문헌 고찰하였다.

• Tuberculosis and Respiratory Diseases
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• v.50 no.3
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• pp.353-358
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• 2001

Relapsing polychondritis (RP) is rare, chronic, relapsing, and multisystemic inflammatory disease targeting the cartilaginous structures. Respiratory track involvement occurs in approximately half of the cases. Subglottic stenosis is a rare manifestation of RP. Here, we report a case of RP with a subglottic stenosis, resulting in acute respiratory failure. A 63-year old man was admitted complaining of multiple joint pain, general weakness, weight loss, throat pain, hoarseness, exertional dyspnea, and hearing difficulties. A laryngoscopy and neck CT revealed a subglottic stenosis. Four days after admission, he complained severe dyspnea resulting in acute respiratory failure. Immediately, a tracheostomy was done for airway preservation. After high dose steroid therapy, the general symptoms were improved. However, the subglottic stenosis was sustained. Thus, a laryngotracheal augumentation and stent insertion was performed. The speech valve was then replaced. The subglottic stenosis was managed with low dose steroid and monthly cyclophosphamide pulse therapy, and the patient has been followed up regularly.