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Vol. 15. Issue 3.
Pages 433-442 (May - June 2009)
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Vol. 15. Issue 3.
Pages 433-442 (May - June 2009)
Artigo Original/Original Article
Open Access
Doenças pulmonares intersticiais: Acuidade diagnóstica e riscos da biópsia pulmonar cirúrgica
Interstitial lung disease: Diagnostic accuracy and safety of surgical lung biopsy
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Miguel Guerra1,
Corresponding author
migueldavidguerra@yahoo.com

Correspondência/Correspondence to: Miguel Guerra, Serviço de Cirurgia Cardiotorácica, Centro Hospitalar de Vila Nova de Gaia/Espinho, Rua Conceição Fernandes, 4434-502 Vila Nova de Gaia, Porto, Portugal, Tel: (+351) 227865100, Tlm: (+351) 933734217, Fax: (+351) 227865170.
, José António Miranda1, Francisco Leal1, Luís Vouga1
1 Serviço de Cirurgia Cardiotorácica/Cardiothoracic Surgery Unit Centro Hospitalar de Vila Nova de Gaia/Espinho, Porto, Portugal
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Resumo

Os autores descrevem a sua casuística de biópsias pulmonares cirúrgicas em doentes com doença pulmonar intersticial, de forma a determinar a acuidade diagnóstica, os riscos e a morbimortalidade associados ao procedimento. Entre Janeiro de 1998 e De-zembro de 2007, 53 doentes (idade média de 47,2±13 anos) foram referenciados para a realização de biópsia pulmonar cirúrgica, dos quais 22 eram mulheres (41,5%). As biópsias pulmonares foram realizadas quer por videotoracoscopia (37 doentes, 69,8%), quer por minitoracotomia (16 doentes, 30,2%). Foi escolhido o pulmão direito para biopsar em 88,7% dos casos. Registaram-se complicações pós-operatórias em 5 doentes (9,4%): fuga aérea prolongada em 3 doentes (5,7%), persistência de loca de pneumotórax num doente (1,9%) e hemorragia com necessidade de revisão de hemostase noutro doente (1,9%). Ocor-reu um óbito de causa desconhecida num doente sem risco acrescido. A duração média da drenagem foi de 4,4±3 dias e o tempo de internamento médio de 5,5±4 dias. O diagnóstico histológico definitivo foi conseguido em 50 doentes, registando-se uma acuidade diagnóstica de 94,3%. Em conclusão, o potencial benefício de um diagnóstico histopatológico conclusivo através de uma biópsia pulmonar cirúrgica deve ser balanceado com os riscos associados ao procedimento cirúrgico, especialmente para aqueles doentes com disfunção cardiopulmonar severa.

Rev Port Pneumol 2009; XV (3): 433-442

Palavras-chave:
Doença pulmonar intersticial
biópsia pulmonar cirúrgica
acuidade diagnóstica
complicações pós-operatórias
morbimortalidade
Abstract

This study reports our experience, diagnostic accuracy and safety of surgical lung biopsy in patients with interstitial lung diseases. From January 1998 – December 2007 surgical lung biopsy was performed in 53 patients (22 female [41.5%]; age 47.2±13years). A total of 37 patients (69.8%) underwent videothoracoscopic lung biopsy and minithoracotomy was performed in 16 patients (30.2%). Right lung was the choice in 47 patients (88.7%). Postoperative complications were rare (9.4%) and included three prolonged air leaks (5.7%), one pneumothorax re-quiring a chest drain (1.9%), and one haemothorax requiring reoperation (1.9%). One patient died of cardiac arrest of unknown cause. Average chest tube duration was 4.4±3days and average hospital stay 5.4±4days. Lung biopsy contributed to the diagnosis in 50 patients (94.3%). In conclusion, the potential benefits of diagnostic surgical lung biopsy must be considered against the risks of the procedure especially in patients with severe cardiopulmonary dys-function.

Rev Port Pneumol 2009; XV (3): 433-442

Key-words:
Interstitial lung disease
surgical lung biopsy
diagnostic accuracy
postoperative complications
morbimortality
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Copyright © 2009. Sociedade Portuguesa de Pneumologia/SPP
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