Abstract
Purpose
Complications correlated with percutaneous radiofrequency ablation (RFA) and microwave ablation (MWA) of lung tumours were retrospectively reviewed to compare them with data from the literature and to assess risk factors related with the procedures.
Materials and methods
From January 2003 to January 2009, 29 patients (36 lung lesions) were treated with RFA; from January 2007 to January 2009, 16 patients (17 lung lesions) were treated with MWA. Complications recorded at our institution are reported following the Society of Interventional Radiology guidelines. A systematic review of the literature was performed.
Results
Any major complication of RFA or MWA was recorded. In agreement with the literature, pneumothorax was the most frequent complication, even though the incidence in our series was lower than reported in the literature (3.5% vs. 4.3–18%). Other complications of RFA were pleural effusion and subcutaneous emphysema. No massive haemorrhages, haemoptysis, abscesses, pneumonia, infections or tumour seeding were recorded in our series. The most common complication of MWA was pneumothorax (25% vs. 39% reported in the literature). Pleural effusion was a common reaction, but therapeutic drainage was never required.
Conclusions
Pneumothorax is the most common complication of both techniques. RFA and MWA are both excellent choices in terms of safety and tolerance.
Riassunto
Obiettivo
Scopo del presente studio è stato analizzare retrospettivamente le complicanze registrate nel trattamento termo-ablativo con radiofrequenze (RFA) e con microonde (MWA) di tumori polmonari, confrontarli con i dati riportati in letteratura e valutare i fattori di rischio correlati alle due procedure.
Materiali e metodi
Da gennaio 2003 a gennaio 2009, 29 pazienti (36 lesioni polmonari) sono stati trattati con RFA; da gennaio 2007 a gennaio 2009, 16 pazienti (17 lesioni polmonari) sono stati trattati con MWA. Le complicanze da noi registrate sono state riportate seguendo le linee guida della Society of Interventional Radiology (SIR). È stata eseguita anche una revisione della letteratura.
Risultati
Nessuna complicanza maggiore è stata osservata. In accordo con i dati presenti in letteratura, lo pneumotorace è la complicanza più frequente anche se la sua incidenza nella nostra casistica è più bassa (5,8% versus 4,3%–18% in letteratura). Nella nostra casistica, le complicanze post-RFA includono la soffusione pleurica e l’enfisema sottocutaneo. Non è stato osservato nessun caso di emorragia massiva, emottisi, nessuna infezione polmonare, né ascesso né disseminazione tumorale. Anche, nei pazienti trattati con MWA, la complicanza più frequente è stata lo pneumotorace (25% versus 39% riportato in letteratura). La soffusione pleurica è un riscontro frequente, ma in nessun caso è stato necessario il posizionamento di un drenaggio.
Conclusioni
Lo pneumotorace è la complicanza più frequente in entrambe le procedure. La termo-ablazione percutanea, sia RFA che MWA, rappresenta un’ottima opzione terapeutica in termini di sicurezza e tolleranza.
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Carrafiello, G., Mangini, M., Fontana, F. et al. Complications of microwave and radiofrequency lung ablation: personal experience and review of the literature. Radiol med 117, 201–213 (2012). https://doi.org/10.1007/s11547-011-0741-2
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DOI: https://doi.org/10.1007/s11547-011-0741-2
Keywords
- Interventional radiology
- Lung malignancies
- Microwave ablation
- Radiofrequency ablation
- Complications
- Review