Flexible bronchoscopic management of benign tracheal stenosis: long term follow-up of 115 patients

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Abstract

Background

Management of benign tracheal stenosis (BTS) varies with the type and extent of the disease and influenced by the patient's age and general health status, hence we sought to investigate the long-term outcome of patients with BTS that underwent minimally invasive bronchoscopic treatment.

Methods

Patients with symptomatic BTS were treated with flexible bronchoscopy therapeutic modalities that included the following: balloon dilatation, laser photo-resection, self-expanding metal stent placement, and High-dose rate endobronchial brachytherapy used in cases of refractory stent-related granulation tissue formation.

Results

A total of 115 patients with BTS and various cardiac and respiratory co-morbidities with a mean age of 61 (range 40-88) were treated between January 2001 and January 2009. The underlining etiologies for BTS were post - endotracheal intubation (N = 76) post-tracheostomy (N = 30), Wegener's granulomatosis (N = 2), sarcoidosis (N = 2), amyloidosis (N = 2) and idiopathic BTS (N = 3). The modalities used were: balloon dilatation and laser treatment (N = 98). Stent was placed in 33 patients of whom 28 also underwent brachytherapy. Complications were minor and mostly included granulation tissue formation. The overall success rate was 87%. Over a median follow-up of 51 months (range 10-100 months), 30 patients (26%) died, mostly due to exacerbation of their underlying conditions.

Conclusions

BTS in elderly patients with co-morbidities can be safely and effectively treated by flexible bronchoscopic treatment modalities. The use of HDR brachytherapy to treat granulation tissue formation following successful airway restoration is promising.

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Most cited references 16

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Therapeutic bronchoscopy with immediate effect: laser, electrocautery, argon plasma coagulation and stents.

Tobias Freitag, T Sutedja, J Strausz … (2006)

Minimally invasive diagnostic and therapeutic approaches in medicine have been applied for a more selective and tailored approach to reduce patients' morbidity and mortality. The efficacy of interventional pulmonology for palliation of patients with central airways obstruction has been established and its curative potential for intralesional treatment of early cancer has raised great interest in current screening programmes. This is due to the fact that surgical resection and systemic nodal dissection as the gold standard is relatively morbid and risky, especially when dealing with individuals with limited functional reserves due to smoking-related comorbidities, such as chronic obstructive pulmonary disease. Furthermore, such comorbidities have been proven to harbour early stage lesions of several millimetres in size without involvement of nodal disease that may be amenable to local bronchoscopic treatment. Therefore, the success of minimally invasive strategies for palliation and treatment with curative intent strongly depends on the diligent identification of the various factors in lung cancer management, including full comprehension of the limits and potential of each particular technique. Maximal preservation of quality of life is a prerequisite in successfully dealing with individuals at risk of harbouring asymptomatic early lung cancer, to prevent aggressive surgical diagnostic and therapeutic strategies since overdiagnosis remains an issue that is heavily debated. In the palliative setting of alleviating central airway obstruction, laser resection, electrocautery, argon plasma coagulation and stenting are techniques that can provide immediate relief, in contrast to cryotherapy, brachytherapy and photodynamic therapy with delayed effects. With curative intent, intraluminal techniques that easily coagulate early stage cancer lesions will increase the implementation of interventional pulmonology for benign and relatively benign diseases, as well as early cancer lesions and its precursors at their earliest stage of disease.

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Multidisciplinary approach to management of postintubation tracheal stenoses.

C A Marquette, C Verkindre, J Darras … (1999)

The optimal management of postintubation tracheal stenosis is not well defined. A therapeutic algorithm was designed by thoracic surgeons, ear, nose and throat (ENT) surgeons, anaesthetists and pulmonologists. Rigid bronchoscopy with neodymium-yttrium aluminium garnet (Nd-YAG) laser resection or stent implantation (removable stent) was proposed as first-line treatment, depending on the type of stenosis (web-like versus complex stenosis). In patients with web-like stenoses, sleeve resection was proposed when laser treatment (up to three sessions) failed. In patients with complex stenoses, operability was assessed 6 months after stent implantation. If the patient was judged operable, the stent was removed and the patient underwent surgery if the stenosis recurred. This algorithm was validated prospectively in a series of 32 consecutive patients. Three patients died from severe coexistent illness shortly after the first bronchoscopy. Of the 15 patients with web-like stenosis, laser resection was curative in 10 (66%). Among the 17 patients with complex stenoses, three remained symptom-free after stent removal. Bronchoscopy alone was thus curative in more than one-third of the patients. Six patients underwent surgery, two after failure of laser resection and four after failure of temporary stenting. Surgery was always performed with the patient in good operative condition. Palliative stenting was the definitive treatment in nine cases. Tracheostomy was the definitive solution in two cases. This approach, including an initial conservative treatment, depending on the type of the stenosis, appears to be applicable to almost all patients and allows secondary surgery to be performed with the patient in good condition.

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Interventional endoscopy in the management of benign tracheal stenoses: definitive treatment at long-term follow-up.

P. Battistoni, Giovanni Galluccio, S. Batzella … (2009)

Interventional bronchoscopy is one of the modalities for palliation and definitive treatment of benign tracheal stenosis. There is however no general agreement on the management of this disease. Aim of this work is to define, in the largest group of patients presented in the literature, what types of tracheal stenosis are amenable to definitive treatment by interventional endoscopy. From January 1996 to June 2006 209 consecutive patients (105 men, 104 women) with benign tracheal stenosis were referred to our center. Etiology included 167 post-intubation and 34 cases of post-tracheostomy stenoses, 8 cases of other diseases. The lesions were classified into two groups: simple and complex. All but nine patients underwent interventional procedures (mechanical dilatation, laser photoresection and placement of a silicone stent). Two years follow-up was complete for all patients. Simple stenoses (n=167) were treated by 346 endoscopic procedures (mean of 2.07 per patient), 16 stents and 1 end-to-end anastomosis. Thirty-eight granulomas were treated by 59 procedures (1.56 per patient), 97 concentrical stenoses by 228 procedures (2.35 per patient) and 32 web-like lesions with 59 operative endoscopies (1.84 per patient). Overall success rate was 96%. Among the 42 complex stenoses, 9 were immediately treated by surgical resection and the remaining 33 lesions underwent 123 endoscopic procedures (3.27 per patient), with 34 stents and 1 end-to-end anastomosis subsequent to recurrence after stent removal. In this group the success rate was 69%. Our study shows that, after a correct classification and stratification, interventional endoscopy may have a crucial role in the treatment of tracheal stenoses. In particular, endoscopy should be considered the first choice for simple stenoses, whereas complex stenoses need a multidisciplinary approach and often require surgery.

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Author and article information

Journal

Journal ID (nlm-ta): J Cardiothorac Surg

Title: Journal of Cardiothoracic Surgery

Publisher: BioMed Central

ISSN (Electronic): 1749-8090

Publication date Collection: 2010

Publication date (Electronic): 17 January 2010

Volume: 5

Page: 2

Affiliations

[1 ]The Pulmonary Institute, Rabin Medical Center, Beilinson Campus, Petah Tiqwa, Israel

Article

Publisher ID: 1749-8090-5-2

DOI: 10.1186/1749-8090-5-2

PMC ID: 2822773

PubMed ID: 20078894

SO-VID: 7cb1c2b4-2912-438f-a840-78dd18b5bbba

License:

This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Flexible bronchoscopic management of benign tracheal stenosis: long term follow-up of 115 patients

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Abstract

Background

Methods

Results

Conclusions

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Karger: Dermatology

Most cited references 16

Therapeutic bronchoscopy with immediate effect: laser, electrocautery, argon plasma coagulation and stents.

Multidisciplinary approach to management of postintubation tracheal stenoses.

Interventional endoscopy in the management of benign tracheal stenoses: definitive treatment at long-term follow-up.

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