Brazilian Journal of Pulmonology

ISSN (on-line): 1806-3756 | ISSN (printed): 1806-3713

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Flexible bronchoscopy as the first-choice method of removing foreign bodies from the airways of adults

Broncoscopia flexível como primeira opção para a remoção de corpo estranho das vias aéreas em adultos

Ascedio José Rodrigues, Eduardo Quintino Oliveira, Paulo Rogério Scordamaglio, Marcelo Gervilla Gregório, Márcia Jacomelli, Viviane Rossi Figueiredo

J Bras Pneumol.2012;38(3):315-320

Abstract PDF PT PDF EN Portuguese Text

Objective: To determine the success rate of flexible bronchoscopy as the first-choice method of removing foreign bodies from the airways of adults. Methods: This was a retrospective study of all adult patients (over 18 years of age) with foreign body aspiration submitted to bronchoscopy between January of 2009 and January of 2011 at the University of São Paulo School of Medicine Hospital das Clínicas, located in São Paulo, Brazil. Results: The study sample comprised 40 adult patients, with a mean age of 52 years (range, 18-88 years). The median time of permanence of the foreign body in the airway was 15 days (range, 12 h to 10 years). All of the patients first underwent diagnostic flexible bronchoscopy. Foreign bodies were successfully removed with flexible bronchoscopy in 33 (82.5%) of the patients. In 1 patient, a metal object lodged in the distal bronchial tree required the use of fluoroscopy. Six patients (15%) required rigid bronchoscopy due to tracheal foreign body-induced dyspnea, in 2, and because the foreign body was too large for the flexible forceps, in 4. Bronchoscopy failed in 1 patient, who therefore required surgical bronchotomy. Conclusions: Although rigid bronchoscopy is considered the gold standard for the removal of foreign bodies from the airways, our experience showed that flexible bronchoscopy can be safely and effectively used in the diagnosis and treatment of stable adult patients.

 


Keywords: Bronchoscopy; Foreign bodies; Airway obstruction; Airway management.

 


Bronchoscopy for the diagnosis of pulmonary tuberculosis in patients with negative sputum smear microscopy results

Broncoscopia no diagnóstico de tuberculose pulmonar em pacientes com baciloscopia de escarro negativa

Márcia Jacomelli, Priscila Regina Alves Araújo Silva, Ascedio Jose Rodrigues, Sergio Eduardo Demarzo, Márcia Seicento, Viviane Rossi Figueiredo

J Bras Pneumol.2012;38(2):167-173

Abstract PDF PT PDF EN Portuguese Text

Objective: To evaluate the diagnostic accuracy of bronchoscopy in patients with clinical or radiological suspicion of tuberculosis who were unable to produce sputum or with negative sputum smear microscopy results. Methods: A prospective cross-sectional study involving 286 patients under clinical or radiological suspicion of having pulmonary tuberculosis and submitted to bronchoscopy-BAL and transbronchial biopsy (TBB). The BAL specimens were submitted to direct testing and culture for AFB and fungi, whereas the TBB specimens were submitted to histopathological examination. Results: Of the 286 patients studied, 225 (79%) were diagnosed on the basis of bronchoscopic findings, as follows: pulmonary tuberculosis, in 127 (44%); nonspecific chronic inflammation, in 51 (18%); pneumocystis, fungal infections, or nocardiosis, in 20 (7%); bronchiolitis obliterans organizing pneumonia, alveolites, or pneumoconiosis, in 14 (5%); lung or metastatic neoplasms, in 7 (2%); and nontuberculous mycobacterium infections, in 6 (2%). For the diagnosis of tuberculosis, BAL showed a sensitivity and a specificity of 60% and 100%, respectively. Adding the TBB findings significantly increased this sensitivity (to 84%), as did adding the post-bronchoscopy sputum smear microscopy results (total sensitivity, 94%). Minor post-procedure complications occurred in 5.6% of the cases. Conclusions: Bronchoscopy is a reliable method for the diagnosis of pulmonary tuberculosis, with low complication rates. The combination of TBB and BAL increases the sensitivity of the method and facilitates the differential diagnosis with other diseases.

 


Keywords: Bronchoscopy; Tuberculosis, pulmonary; Sputum; Bronchoalveolar lavage; Biopsy.

 


Radial-probe EBUS for the diagnosis of peripheral pulmonary lesions

Ecobroncoscopia radial para o diagnóstico de lesões pulmonares periféricas

Marcia Jacomelli, Sergio Eduardo Demarzo, Paulo Francisco Guerreiro Cardoso, Addy Lidvina Mejia Palomino, Viviane Rossi Figueiredo

J Bras Pneumol.2016;42(4):248-253

Abstract PDF PT PDF EN Portuguese Text

Objective: Conventional bronchoscopy has a low diagnostic yield for peripheral pulmonary lesions. Radial-probe EBUS employs a rotating ultrasound transducer at the end of a probe that is passed through the working channel of the bronchoscope. Radial-probe EBUS facilitates the localization of peripheral pulmonary nodules, thus increasing the diagnostic yield. The objective of this study was to present our initial experience using radial-probe EBUS in the diagnosis of peripheral pulmonary lesions at a tertiary hospital. Methods: We conducted a retrospective analysis of 54 patients who underwent radial-probe EBUS-guided bronchoscopy for the investigation of pulmonary nodules or masses between February of 2012 and September of 2013. Radial-probe EBUS was performed with a flexible 20-MHz probe, which was passed through the working channel of the bronchoscope and advanced through the bronchus to the target lesion. For localization of the lesion and for collection procedures (bronchial brushing, transbronchial needle aspiration, and transbronchial biopsy), we used fluoroscopy. Results: Radial-probe EBUS identified 39 nodules (mean diameter, 1.9 ± 0.7 cm) and 19 masses (mean diameter, 4.1 ± 0.9 cm). The overall sensitivity of the method was 66.7% (79.5% and 25.0%, respectively, for lesions that were visible and not visible by radial-probe EBUS). Among the lesions that were visible by radial-probe EBUS, the sensitivity was 91.7% for masses and 74.1% for nodules. The complications were pneumothorax (in 3.7%) and bronchial bleeding, which was controlled bronchoscopically (in 9.3%). Conclusions: Radial-probe EBUS shows a good safety profile, a low complication rate, and high sensitivity for the diagnosis of peripheral pulmonary lesions.

 


Keywords: Diagnostic techniques, respiratory system; Lung/ultrasonography; Bronchoscopy/methods; Bronchoscopy/instrumentation.

 


Probe-based confocal laser endomicroscopy of the airways: physiological and pathological characteristics of preneoplastic and neoplastic lesions

Endomicroscopia confocal a laser das vias aéreas: características normais e patológicas de lesões pré-neoplásicas e neoplásicas

Juliana Rocha Mol Trindade1,a, Viviane Rossi Figueiredo2,b, Paulo Manuel Pêgo-Fernandes3,c, Ricardo Mingarini Terra1,d

J Bras Pneumol.2019;45(1):e20180103-e20180103

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Erratum: Radial-probe EBUS for the diagnosis of peripheral pulmonary lesions.

Errata: Ecobroncoscopia radial para o diagnóstico de lesões pulmonares periféricas.

Marcia Jacomelli1, Sergio Eduardo Demarzo1, Paulo Francisco Guerreiro Cardoso2, Addy Lidvina Mejia Palomino1, Viviane Rossi Figueiredo1

J Bras Pneumol.2017;43(1):78-79

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Current status and clinical applicability of endobronchial ultrasound-guided transbronchial needle aspiration

Estado atual e aplicabilidade clínica da punção aspirativa por agulha guiada por ultrassomendobrônquico

Viviane Rossi Figueiredo, Márcia Jacomelli, Ascédio José Rodrigues, Mauro Canzian,Paulo Francisco Guerreiro Cardoso, Fábio Biscegli Jatene

J Bras Pneumol.2013;39(2):226-237

Abstract PDF PT PDF EN Portuguese Text

Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) has played a key role in the diagnosis of mediastinal, paratracheal, and peribronchial lesions, as well as in lymph node staging for lung cancer. Despite its minimally invasive character, EBUS-TBNA has demonstrated a diagnostic yield comparable with that of established surgical methods. It has therefore gained credibility and has become a routine procedure at various referral centers. A successful EBUS-TBNA procedure requires careful planning, which includes a thorough review of the radiological imaging and special care during specimen collection and preparation, as well as technical expertise, experience with the procedure itself, and knowledge of the potential complications inherent to the procedure. The most common indications for EBUS-TBNA include lymph node staging for lung cancer and the diagnostic investigation of mediastinal/hilar masses and lymph node enlargement. Recently, tumor biomarkers in malignant samples collected during the EBUS-TBNA procedure have begun to be identified, and this molecular analysis has proven to be absolutely feasible. The EBUS-TBNA procedure has yet to be included on the Brazilian Medical Association list of medical procedures approved for reimbursement. The EBUS-TBNA procedure has shown to be a safe and accurate tool for lung cancer staging/restaging, as well as for the diagnosis of mediastinal, paratracheal, and peribronchial lesions/lymph node enlargement.

 


Palavras-chave: Biópsia por agulha fina; Neoplasias pulmonares; Estadiamento de neoplasias.

 


Endobronchial ultrasound-guided transbronchial needle aspiration in the diagnosis and staging of mediastinal lymphadenopathy: initial experience in Brazil

Punção aspirativa guiada por ultrassom endobrônquico no diagnóstico e estadiamento de linfadenopatia mediastinal: experiência inicial no Brasil

Miguel Lia Tedde, Viviane Rossi Figueiredo, Ricardo Mingarini Terra, Hélio Minamoto, Fábio Biscegli Jatene

J Bras Pneumol.2012;38(1):33-40

Abstract PDF PT PDF EN Portuguese Text

Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is a new method for the diagnosis and staging of mediastinal lymph nodes. The objective of this study was to evaluate the preliminary results obtained with EBUS-TBNA in the diagnosis of lesions and mediastinal lymph node staging. Methods: We evaluated patients with tumors or mediastinal adenopathy, diagnosed with or suspected of having lung cancer. The procedures were performed with the patients under sedation or under general anesthesia. Material was collected by EBUS-TBNA, after which it was prepared on slides, fixed in either absolute alcohol (for cytology) or formalin (for cell-block analysis). Results: We included 50 patients (30 males). The mean age was 58.3 ± 13.5 years. We performed 201 biopsies of 81 lymph nodes or mediastinal masses (mean of 2.5 punctures/biopsy). The quantity of material was considered sufficient for cytology in 37 patients (74%), 21 (57%) of whom were thus diagnosed with malignancy. Of the remaining 16 patients, 1 was diagnosed with tuberculosis, 6 entered clinical follow-up, and 9  underwent further investigation (2 diagnosed with neoplasm-false-negative results). The yield was higher when the procedure was performed for diagnostic purposes, as well as being higher in patients with lesions in multiple stations and in biopsies involving the subcarinal lymph node station. One patient had endobronchial bleeding, which was resolved with local measures. There were no deaths among the patients evaluated. Conclusions: This preliminary experience shows that EBUS-TBNA is a safe procedure. Our diagnostic yield, although lower than that reported in the literature, was consistent with the learning curve for the method.

 


Keywords: Ultrasonography, interventional; Biopsy, fine-needle; Neoplasm staging; Lung neoplasms; Bronchoscopy.

 


Endobronchial ultrasound-guided transbronchial needle aspiration for lung cancer staging: early experience in Brazil

Punção aspirativa por agulha guiada por ultrassom endobrônquico no estadiamento do câncer de pulmão: experiência inicial no Brasil

Viviane Rossi Figueiredo, Paulo Francisco Guerreiro Cardoso, Márcia Jacomelli, Sérgio Eduardo Demarzo, Addy Lidvina Mejia Palomino, Ascédio José Rodrigues, Ricardo Mingarini Terra, Paulo Manoel Pego-Fernandes, Carlos Roberto Ribeiro Carvalho

J Bras Pneumol.2015;41(1):23-30

Abstract PDF PT PDF EN Portuguese Text

Objective: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is a minimally invasive, safe and accurate method for collecting samples from mediastinal and hilar lymph nodes. This study focused on the initial results obtained with EBUS-TBNA for lung cancer and lymph node staging at three teaching hospitals in Brazil. Methods: This was a retrospective analysis of patients diagnosed with lung cancer and submitted to EBUS-TBNA for mediastinal lymph node staging. The EBUS-TBNA procedures, which involved the use of an EBUS scope, an ultrasound processor, and a compatible, disposable 22 G needle, were performed while the patients were under general anesthesia. Results: Between January of 2011 and January of 2014, 149 patients underwent EBUS-TBNA for lymph node staging. The mean age was 66 ± 12 years, and 58% were male. A total of 407 lymph nodes were sampled by EBUS-TBNA. The most common types of lung neoplasm were adenocarcinoma (in 67%) and squamous cell carcinoma (in 24%). For lung cancer staging, EBUS-TBNA was found to have a sensitivity of 96%, a specificity of 100%, and a negative predictive value of 85%. Conclusions: We found EBUS-TBNA to be a safe and accurate method for lymph node staging in lung cancer patients.

 


Keywords: Lung neoplasms; Neoplasm staging; Bronchoscopy; Endoscopic ultrasound-guided fine needle aspiration; Lymph nodes.

 


Authors' reply

Resposta dos autores

Marcia Jacomelli1, Sergio Eduardo Demarzo1, Paulo Francisco Guerreiro Cardoso2, Addy Lidvina Mejia Palomino1, Viviane Rossi Figueiredo1

J Bras Pneumol.2017;43(1):77-77

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Minimally invasive bronchoscopic resection of benign tumors of the bronchi Ressecção minimamente invasiva por broncoscopia de tumores brônquicos benignos

Ressecção minimamente invasiva por broncoscopia de tumores brônquicos benignos

Ascedio Jose Rodrigues, David Coelho, Sérvulo Azevedo Dias Júnior, Márcia Jacomelli, Paulo Rogério Scordamaglio, Viviane Rossi Figueiredo

J Bras Pneumol.2011;37(6):796-800

Abstract PDF PT PDF EN Portuguese Text

Objective: Primary benign tumors of the trachea and main bronchi are uncommon. Interventional bronchoscopy allows the diagnosis and the treatment of some of these lesions. Methods: We reviewed four cases endoscopically treated at our institution. Results: Two patients had hamartoma, and two patients had endobronchial lipoma. In all of the cases, the interventional technique for the resection was the use of a polypectomy snare and electrocautery. The only complication reported was one episode of bronchospasm. Conclusions: Minimally invasive bronchoscopic resection is a safe, effective method for treating selected benign tumors of the main airway and has a low complication rate.

 


Keywords: Bronchoscopy; Bronchial neoplasms; Hamartoma; Lipoma.

 


Optical coherence tomography in conjunction with bronchoscopy

Tomografia de coerência óptica broncoscópica

Ascedio José Rodrigues, Celso Kiyochi Takimura, Pedro Alves Lemos Neto, Viviane Rossi Figueiredo

J Bras Pneumol.2012;38(2):174-180

Abstract PDF PT PDF EN Portuguese Text

Objective: To evaluate the diagnostic accuracy of bronchoscopy in patients with clinical or radiological suspicion of tuberculosis who were unable to produce sputum or with negative sputum smear microscopy results. Methods: A prospective cross-sectional study involving 286 patients under clinical or radiological suspicion of having pulmonary tuberculosis and submitted to bronchoscopy-BAL and transbronchial biopsy (TBB). The BAL specimens were submitted to direct testing and culture for AFB and fungi, whereas the TBB specimens were submitted to histopathological examination. Results: Of the 286 patients studied, 225 (79%) were diagnosed on the basis of bronchoscopic findings, as follows: pulmonary tuberculosis, in 127 (44%); nonspecific chronic inflammation, in 51 (18%); pneumocystis, fungal infections, or nocardiosis, in 20 (7%); bronchiolitis obliterans organizing pneumonia, alveolites, or pneumoconiosis, in 14 (5%); lung or metastatic neoplasms, in 7 (2%); and nontuberculous mycobacterium infections, in 6 (2%). For the diagnosis of tuberculosis, BAL showed a sensitivity and a specificity of 60% and 100%, respectively. Adding the TBB findings significantly increased this sensitivity (to 84%), as did adding the post-bronchoscopy sputum smear microscopy results (total sensitivity, 94%). Minor post-procedure complications occurred in 5.6% of the cases. Conclusions: Bronchoscopy is a reliable method for the diagnosis of pulmonary tuberculosis, with low complication rates. The combination of TBB and BAL increases the sensitivity of the method and facilitates the differential diagnosis with other diseases.

 


Keywords: Bronchoscopy; Tuberculosis, pulmonary; Sputum; Bronchoalveolar lavage; Biopsy.

 


Endobronchial ultrasound in esophageal cancer - when upper gastrointestinal endoscopy is not enough

Ultrassonografia endobrônquica no câncer de esôfago - quando a endoscopia digestiva alta não é suficiente

Lília Maia Santos1,2,a, Márcia Jacomelli1,b, Paulo Rogério Scordamaglio1,c, Paulo Francisco Guerreiro Cardoso3,d, Viviane Rossi Figueiredo1,e

J Bras Pneumol.2019;45(3):e20180312-e20180312

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