TITLE

Prognosis of patients with non-small cell lung cancer with isolated brain metastases undergoing combined surgical treatment

AUTHOR(S)
Getman, Vladyslav; Devyatko, Elena; Dunkler, Daniela; Eckersberger, Franz; End, Adelheid; Klepetko, Walter; Marta, Gabriel; Mueller, Michael Rolf
PUB. DATE
June 2004
SOURCE
European Journal of Cardio-Thoracic Surgery;Jun2004, Vol. 25 Issue 6, p1107
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Objective: To compare survival of patients with isolated synchronous and metachronous brain metastases from non-small cell lung cancer (NSCLC) after combined surgical treatment. Methods: A total of 991 patients underwent surgical resection of primary NSCLC between January 1994 and November 1999. Out of these, 32 patients (21 males and 11 females) were further treated for isolated brain metastases. In a retrospective survey, the outcome of patients with either synchronous (group 1, n=16) or metachronous (group 2, n=16) brain metastases was evaluated. Five patients out of each group received either adjuvant or neo-adjuvant chemotherapy. Data analysis includes descriptive statistics, Wilcoxon test, Kaplan–Meier method and Cox''s proportional hazards model. Results: There was no significant difference in local tumour stage and histology of the primary tumour between both groups. Median of the disease free interval (DFI) after primary lung surgery (group 2) was 10 months, range 3–60 months. Median survival after lung surgery was 8.5 months in group 1 and 16.4 months in group 2 (P=0.094). Median survival after cerebral procedures was 9.3 and 6.2 months, respectively (P=0.127). Estimated survival rates by Kaplan–Meier method after cerebral procedures operation in group 1 were 37.5% at 1 year, 25.0% at 2 years and 18.8% at 5 years; in group 2 estimated survival rates were 31.3% at 1 year, 15.6% at 2 years and 0% at 5 years (P=0.148). Calculated survival rates after lung surgery were identical in group 1; in group 2 survival rates were 62.5, 43.8 and 18.8% at 1, 2 and 5 years, respectively (P=0.101). In the univariate model, none of the following variables had effect on survival: sex, age, T stage of the tumour, nodal status, timing of metastatic lesions, number of cerebral metastases, complete resection of primary tumour and histological type. Multivariate analysis did not reveal any risk factor, which significantly predicted survival. DFI did not correlate with survival of patients in group 2. Conclusions: Once isolated synchronous or metachronous brain metastases from NSCLC have developed, there is no difference in prognosis after combined surgery between analysed groups. This questions the value of lung resection in patients with isolated synchronous brain metastases.
ACCESSION #
13115599

 

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