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Mesothelioma--VATS biopsy and lung mobilization improves diagnosis and palliation
M W Grossebner1, A A Arifi, M Goddard
1Department of Cardiothoracic Surgery, Papworth Hospital, Papworth Everard, Cambridge, UK.
Objectives:
Mesothelioma is an increasingly frequent malignancy in which diagnosis is often delayed and disease diagnosed at an advanced stage. Earlier diagnosis and therapeutic intervention that can control recurrent pleural effusion may improve outlook and survival.
Methods:
A prospective series of 25 patients in whom mesothelioma was suspected was referred for histological diagnosis by video assisted-thoracoscopy (VAT) after failure of other methods. At the same operative procedure drainage of pleural effusion, cytoreductive pleurectomy and lung mobilization was performed where possible. Complete follow-up was obtained.
Results:
All patients had a histological diagnosis (100%) from the material sent for biopsy. In 23 patients this was mesothelioma, in two patients chronic empyema. All patients undergoing drainage of effusion, cytoreductive pleurectomy and lung mobilization subsequently were diagnosed of having mesothelioma stages III to IV. Fifteen out of 21 who underwent lung mobilization had closure of the pleural space. Post operative air leak in this group was a mean of 5 days (2-12 days). Recurrent effusion occurred in only one patient. Eleven patients remain alive at 1-2 years post operation with no hospital admissions for recurrent pleural effusion. In the six out of 21 who did not have closure of the pleural space, one remained alive 9 months post surgery. Five died within 1-6 months of the procedure. The average number of further hospital admissions for repeat drainage of effusion was 3 (1-6).
Conclusions:
VATs provides adequate tissue for histological diagnosis where other methods fail. At the same operative sitting it provides a therapeutic intervention that allows drainage of effusion cytoreductive pleurectomy and lung mobilization in a significant number of cases. Where the pleural space can be closed this results in significantly fewer hospital admissions and appears to improve quality of life and length of survival. The price is a longer hospital stay due to prolonged air leak.