Abstract
Background
The level of evidence for efficacy of local treatment of pulmonary metastases is low; therefore, complication rates should be minimized. Minimally invasive techniques may have the potential to reduce morbidity but potentially lead to more local and/or ipsilateral recurrences. The objective of this study was to evaluate the introduction of a new treatment strategy incorporating the increased use of video-assisted thoracic surgery (VATS) and radiofrequency ablation (RFA), weighing complications against recurrence rates.
Methods
We retrospectively reviewed results of all local treatment of pulmonary metastases in the Netherlands Cancer Institute from 2002 to 2007. Each of 158 identified interventions was analyzed separately to retrieve procedure-related data. Overall survival data were analyzed per patient. To evaluate the introduction of a strategy incorporating minimally invasive techniques, the study period was split in two (before and after the introduction of this strategy in July 2004).
Results
In Strategy I, 47 interventions (2 VATS, no RFA) were performed in 37 patients; in Strategy II 111 interventions (51 VATS and RFA) in 86 patients. Metastases of a variety of primary tumors were treated. Median hospital stay was shorter (5 vs. 7 days) and procedure-related morbidity was less with Strategy II (p < 0.01). Time-to-recurrence rates were comparable (p = 0.18), as were local and ipsilateral recurrence rates within 3 years (p = 0.72). Estimated overall 3-year survival was 59% for patients treated with Strategy I and 54% with Strategy II.
Conclusions
Increased use of minimally invasive techniques for local treatment of pulmonary metastatic disease is associated with low morbidity, without apparent reduction in (local) disease control.
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Disclosure
Drs. Von Meyenfeldt, Wouters, Lai A Fat, Prevoo, Burgers, van Sandick, and Klomp have no conflicts of interest or financial ties to disclose.
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von Meyenfeldt, E.M., Wouters, M.W., Fat, N.L.A. et al. Local treatment of pulmonary metastases: from open resection to minimally invasive approach? Less morbidity, comparable local control. Surg Endosc 26, 2312–2321 (2012). https://doi.org/10.1007/s00464-012-2181-z
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DOI: https://doi.org/10.1007/s00464-012-2181-z