• Korean Journal of Bronchoesophagology
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• v.15 no.1
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• pp.64-67
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• 2009

Paratracheal air cysts are rare lesions and detected incidentally during CT scan or autopsy. Histopathologic diagnoses of paratracheal air cysts include trachocele, tracheal diverticulum and lymphoepithelial cyst. The cysts are lined by ciliated columnar epithelium and have communication with trachea. Previous reports suggested an association with obstructive lung disease because of increased expiratory pressures in these patients. Most of these cysts are asymptomatic but rarely cause productive cough, wheezing, recurrent laryngeal nerve paralysis and difficult intubation. We report a case of paratracheal air cyst causing dyspnea with a review of literature.

• Journal of Dental Anesthesia and Pain Medicine
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• v.18 no.6
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• pp.375-378
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• 2018

Endotracheal intubation is commonly associated with laryngeal injury that often resolves spontaneously without any complication. However, stenosis or granulomatous lesions are generally found on the tracheal wall or vocal process at the tube cuff level, caused by excessive cuff pressure. We present a case of fatal vocal cord granuloma leading to dyspnea following orthognathic surgery and sustained intubation for 14 hours.

• Journal of Korean Academy of Fundamentals of Nursing
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• v.10 no.1
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• pp.96-107
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• 2003

Objective: The purpose of this study was to identify the effects of tracheal suction and the effects of different methods of bronchodilator inhalation (Ultrasonic nebulizer: MDI puff, MDI puff with spacer) in VSD surgery patients. Material & Method: From June 2001 to March 2002, sixty consecutive patients were randomly assigned to a control group (n= 15), ultrasonic nebulizer group (n=15), metered dose inhalation (MDI) puff group (n=15) and MDI with spacer group (n=15). Vital signs (HR, BP, CVP), ABGA and pulmonary functions were measured before suction (baseline for suction), after suction, 15 minutes after suction (base of bronchodilator inhalation), 30 minutes after bronchodilator inhalation, and 2 hours after bronchodilator inhalation. Stastistical analysis was performed using SPSS software. Repeated measure ANOVA was used to examine the effects of tracheal suction. One way ANOVA with Bonferroni's correction and multiple range test (the least significant difference test) were used to examine the effects of albuterol inhalation. Result: 1. Heart .ate increased significantly immediately after suction (p<.01) and recovered 15 minutes after suction. 2. $PaO_2$ and PH decreased significantly immediately after suction (p<.05) and $PaO_2$ recovered 15 minutes after suction. $PaCO_2$ increased immediately after suction and significantly 15 minutes after suction (p<.01). But changes in vital signs and ABGA were within the normal range. 3. Tidal volume decreased significantly 15 minutes after suction (p<.05). 4. Changes of HR and tidal volume were greater in the nebuizer group compared to the other groups (p<.05) 30 minutes after bronchodilator inhalation and recovered 2 hours after bronchodilator inhalation. 5. Changes of airway deadspace was greater in the nebulizer group compared to the control group and MDI puff group 30 minutes after albuterol inhalation (p<.05) and at 2 hours (p<.01). Conclusion: Tracheal suction did not have significant effect on vital signs and pulmonary functions after OHS. Although the methods of bronchodilator inhalation did not showed any significant difference on pulmonary function, the nebulizer method increased $PaO_2$ (20%) and tidal volume transiently. If the patient needs bronchodilator inhalation with bronchospasm after OHS, the nebulizer method is the best choice. More study on the effects of bronchodilator inhalation in bronchospasm group is needed.

• Journal of Chest Surgery
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• v.30 no.8
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• pp.739-746
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• 1997

A variety of experiments concerning the development of ideal prosthetic grafts for correcting circumferential tracheal defects have been performed. The requirements for an ideal tracheal prosthesis are impermeability to air, consistency to prevent collapse, and acceptance by the host tissue causing a minimum inflammatory reaction, allowing fibroblastic infiltration and epithelialization. The synthetic material, polyurethane(PU), is known as a biocompatible polymer with an inert component. In this study, the tracheal prosthesis was made from microporous PU(30 micrometer in diameter) coated with gelatin and reinforced with isoplastic rings. This procedure provides the prosthesis with a compression strength. The out side diame er of the prosthesis was 20 mm with a length of 30 mm. The gelatin used in the study was obtained from pig skin and immobilized and cross-linked by irradiation(60 Co gamma ray) to promote host tissue incorporation and render the prosthesis epithelization after implantation. Animal experiments using 10 mongrel dogs were performed to compare three kinds of prosthesis; gelatin coated polyurethane graft, uncoated polyurethane graft, and prosthesisf pericadium complex graft. After 6 weeks of implantation, the epithelialization of implants was seen on the gelatin-coated and prosthesisfpericadium complex grafts. Implanted prosthesis were complicated by airway obstruction due to anastomosis granuloma. Early tracheal stenosis was found in the uncoated graft group. Two kind of anastomosis techniques were tested on the gelatin-coated prosthesis. Everted anastomosis resulted severe granuloma than the inverted anastomosis. In the prosthesislpericadium complex graft, bacteria and inflammation at a anastomotic site was found. Based on these results, gelatin coated porous polyurethane trachea prosthesis is biocompatible and may be useful in clinical application with further investigation.

• Journal of Chest Surgery
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• v.40 no.11
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• pp.777-781
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• 2007

Pulmonary artery sling is a rare congenital condition in which the left pulmonary artery arises from the right pulmonary artery forming a sling around the trachea. This causes tracheal compression with the resulting respiratory symptoms. Most cases are associated with cardiovascular and tracheobronchial abnormalities. Some cases present incidentally without respiratory symptoms in adolescents and adults. We report a case with double left aberrant pulmonary artery associated with multiorgan anomalies which was incidentally found.

• Journal of Chest Surgery
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• v.23 no.2
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• pp.362-365
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• 1990

Adenoid cystic carcinoma is a rare primary tracheal tumor, and this tumor behave slow growth, low grade malignancy with local invasion. Although many patient die within 2 to 3 years of the onset of symptoms without appropriate treatment, adequate therapy should lead to survival of 10 years or more. We had a case of adenoid cystic carcinoma in 47 year old female patient who was treated with resection and end-to-end anastomosis of the invaded trachea. Postoperative course was uneventful and discharged without any complications. Radiotherapy of total 6,600 cGy is scheduled 4 weeks after the resective surgery to prevent recurrence.

• Journal of Chest Surgery
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• v.34 no.3
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• pp.264-269
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• 2001

흉부 둔상에 의한 기도와 식도의 동시적 파열상은 매우 드물게 발생되고 있다. 그러나 최그들어 고속 교통사고의 증가와 환자에 대한 응급체계의 발전으로 점차 치험 보고례가 증가되고 있다. 저자들은 흉부의 둔상에 의하여 기도와 식도에 종적으로 긴 파열상을 입은 환자 2례의 치험을 보고한다. 1례는 이전 병원에서 시행한 기관식도 재건술이 실패한 상태에서 전원되어와 2차적으로 식도절제 및 기관재건술을 실시하였으나 사망하였고. 다른 1례는 식도절제 및 기도재건술로 합병증이 없이 생존하였다.

• Journal of Chest Surgery
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• v.29 no.10
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• pp.1166-1169
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• 1996

Neurllemomas of the tracheobroncheal tree are extremely rare. Most are located in the lower trachea, and cause chronic cough and wheezing. They usually have a very long natural history, causing symptoms only after they have attained a considerable size. Current treatment of primary intratracheal tumor is sugical removal. Recently, we experienced a case of primary intratracheal neurilemoma which was successfully treated by tracheal resection and anastomosis. We report this case with a brief review of literature.

• Journal of Chest Surgery
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• v.44 no.3
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• pp.253-256
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• 2011

Spontaneous pneumothorax is a common clinical problem in emergency care. However, the overall incidences of primary spontaneous pneumothorax has been reported from as low as 1.4% to 7.6%. The clinical findings of simultaneous bilateral spontaneous pneumothorax can be variable. Clinical presentation is variable, ranging from mild dyspnea to tension pneumothorax. Bilateral tension pneumothorax can defined as cases where no tracheal deviation is detected in chest X-ray, and symptoms may be equal bilaterally. Herein, we present a case with simultaneous bilateral tension pneumothorax, severely deteriorated (i.e. with loss of consciousness, cyanosis, and hemodynamically unstable), that was successfully treated with immediate large-size needle decompression.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.31 no.2
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• pp.87-91
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• 2020

The tracheostomy directs external air into the airway tract. This process causes mucosal dryness, irritation and inflammation in the tracheo-bronchial tree. In order to prevent such problems, several methods are applied; ointment application, humidification and careful suction etc. The heat-moisture exchanger (HME) is commercially sold device that assists heating and humidification of the inhaled air. The authors experienced successful treatment outcome of intractable tracheitis caused by repetitive and vigorous intra-tracheal suction by applying HME in a total laryngectomized patient. We report an interesting and didactic case with a brief literature review.