Brazilian Journal of Pulmonology

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

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Cocaine-induced pulmonary changes: HRCT findings

Alterações pulmonares induzidas pelo uso de cocaína: avaliação por TCAR de tórax

Renata Rocha de Almeida1, Gláucia Zanetti1,2, Arthur Soares Souza Jr.3, Luciana Soares de Souza4, Jorge Luiz Pereira e Silva5, Dante Luiz Escuissato6, Klaus Loureiro Irion7, Alexandre Dias Mançano8, Luiz Felipe Nobre9, Bruno Hochhegger10, Edson Marchiori1,11

J Bras Pneumol.2015;41(4):323-330

Abstract PDF PT PDF EN Portuguese Text

Objective: To evaluate HRCT scans of the chest in 22 patients with cocaine-induced pulmonary disease. Methods: We included patients between 19 and 52 years of age. The HRCT scans were evaluated by two radiologists independently, discordant results being resolved by consensus. The inclusion criterion was an HRCT scan showing abnormalities that were temporally related to cocaine use, with no other apparent causal factors. Results: In 8 patients (36.4%), the clinical and tomographic findings were consistent with "crack lung", those cases being studied separately. The major HRCT findings in that subgroup of patients included ground-glass opacities, in 100% of the cases; consolidations, in 50%; and the halo sign, in 25%. In 12.5% of the cases, smooth septal thickening, paraseptal emphysema, centrilobular nodules, and the tree-in-bud pattern were identified. Among the remaining 14 patients (63.6%), barotrauma was identified in 3 cases, presenting as pneumomediastinum, pneumothorax, and hemopneumothorax, respectively. Talcosis, characterized as perihilar conglomerate masses, architectural distortion, and emphysema, was diagnosed in 3 patients. Other patterns were found less frequently: organizing pneumonia and bullous emphysema, in 2 patients each; and pulmonary infarction, septic embolism, eosinophilic pneumonia, and cardiogenic pulmonary edema, in 1 patient each. Conclusions: Pulmonary changes induced by cocaine use are varied and nonspecific. The diagnostic suspicion of cocaine-induced pulmonary disease depends, in most of the cases, on a careful drawing of correlations between clinical and radiological findings.

 


Keywords: Cocaine, Cocaine-related disorders; Tomography, X-ray computed; Lung diseases.

 


Applicability of the 12-Item Short-Form Health Survey in patients with progressive systemic sclerosis

Aplicabilidade do questionário de qualidade de vida relacionada à saúde - the 12-Item Short-Form Health Survey - em pacientes portadores de esclerose sistêmica progressiva

Thamine Lessa Andrade, Aquiles Assunção Camelier, Fernanda Warken Rosa, Marcia Pina Santos, Sérgio Jezler, Jorge Luiz Pereira e Silva

J Bras Pneumol.2007;33(4):414-422

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To evaluate the applicability of the 12-Item Short-Form Health Survey (SF-12) as an instrument to measure health-related quality of life in a sample of patients with progressive systemic sclerosis (PSS) through the analysis of its reproducibility and its correlation with functional and clinical parameters. Methods: A test-retest reproducibility study for the comparative analysis of the intraclass correlation coefficients (ICCs) of the SF-12 and the SF-36. A total of 46 patients diagnosed with PSS were studied, regardless of the presence of respiratory symptoms. Results: The physical component summary 12 (PCS-12) score had an ICC of 0.47 (95%CI: 0.05-0.71; p < 0.02), whereas the mental component summary (MCS-12) score had an ICC of 0.72 (95%CI: 0.49-0.84; p < 0.001). The PCS-36 score had an ICC of 0.88 (95%CI: 0.78-0.93; p < 0.001), and the MCS-36 score also had an ICC of 0.88 (95%CI: 0.78-0.93; p < 0.001). Conclusion: The SF-12 is a reliable instrument for measuring health-related quality of life in patients with PSS, since it has been proven to be reproducible. However, this version of the SF-12 should only be used in clinical research settings.

 


Keywords: Quality of life; Questionnaires; Statistics; Scleroderma, systemic.

 


Organizing pneumonia: chest HRCT findings

Pneumonia em organização: achados da TCAR de tórax

Igor Murad Faria1, Gláucia Zanetti2, Miriam Menna Barreto3, Rosana Souza Rodrigues4, Cesar Augusto Araujo-Neto5, Jorge Luiz Pereira e Silva5, Dante Luiz Escuissato6, Arthur Soares Souza Jr7, Klaus Loureiro Irion8, Alexandre Dias Mançano9, Luiz Felipe Nobre10, Bruno Hochhegger, Edson Marchiori11

J Bras Pneumol.2015;41(3):231-237

Abstract PDF PT PDF EN Portuguese Text

Objective: To determine the frequency of HRCT findings and their distribution in the lung parenchyma of patients with organizing pneumonia. Methods: This was a retrospective review of the HRCT scans of 36 adult patients (26 females and 10 males) with biopsy-proven organizing pneumonia. The patients were between 19 and 82 years of age (mean age, 56.2 years). The HRCT images were evaluated by two independent observers, discordant interpretations being resolved by consensus. Results: The most common HRCT finding was that of ground-glass opacities, which were seen in 88.9% of the cases. The second most common finding was consolidation (in 83.3% of cases), followed by peribronchovascular opacities (in 52.8%), reticulation (in 38.9%), bronchiectasis (in 33.3%), interstitial nodules (in 27.8%), interlobular septal thickening (in 27.8%), perilobular pattern (in 22.2%), the reversed halo sign (in 16.7%), airspace nodules (in 11.1%), and the halo sign (in 8.3%). The lesions were predominantly bilateral, the middle and lower lung fields being the areas most commonly affected. Conclusions: Ground-glass opacities and consolidation were the most common findings, with a predominantly random distribution, although they were more common in the middle and lower thirds of the lungs.

 


Keywords: Cryptogenic organizing pneumonia; Respiratory tract diseases; Tomography, X-ray computed.

 


Thoracic textilomas: CT findings

Textilomas intratorácicos: achados tomográficos

Dianne Melo Machado, Gláucia Zanetti, Cesar Augusto Araujo Neto, Luiz Felipe Nobre, Gustavo de Souza Portes Meirelles, Jorge Luiz Pereira e Silva, Marcos Duarte Guimarães, Dante Luiz Escuissato, Arthur Soares Souza Jr, Bruno Hochhegger, Edson Marchiori

J Bras Pneumol.2014;40(5):535-542

Abstract PDF PT PDF EN Portuguese Text

Objective: The aim of this study was to analyze chest CT scans of patients with thoracic textiloma. Methods: This was a retrospective study of 16 patients (11 men and 5 women) with surgically confirmed thoracic textiloma. The chest CT scans of those patients were evaluated by two independent observers, and discordant results were resolved by consensus. Results: The majority (62.5%) of the textilomas were caused by previous heart surgery. The most common symptoms were chest pain (in 68.75%) and cough (in 56.25%). In all cases, the main tomographic finding was a mass with regular contours and borders that were well-defined or partially defined. Half of the textilomas occurred in the right hemithorax and half occurred in the left. The majority (56.25%) were located in the lower third of the lung. The diameter of the mass was ≤ 10 cm in 10 cases (62.5%) and > 10 cm in the remaining 6 cases (37.5%). Most (81.25%) of the textilomas were heterogeneous in density, with signs of calcification, gas, radiopaque marker, or sponge-like material. Peripheral expansion of the mass was observed in 12 (92.3%) of the 13 patients in whom a contrast agent was used. Intraoperatively, pleural involvement was observed in 14 cases (87.5%) and pericardial involvement was observed in 2 (12.5%). Conclusions: It is important to recognize the main tomographic aspects of thoracic textilomas in order to include this possibility in the differential diagnosis of chest pain and cough in patients with a history of heart or thoracic surgery, thus promoting the early identification and treatment of this postoperative complication.

 


Keywords: Foreign-body reaction; Tomography, spiral computed; Thoracic surgery.

 


 

 


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