Prognostic Factors Influencing the Development of an Iatrogenic Pneumothorax for Computed Tomography-Guided Radiofrequency Ablation of Upper Renal Tumor
2008
Background: Percutaneous radiofrequency (RF) ablation of upper renal tumors is considered a minimally invasive treatment, but this technique may cause pneumothorax.Purpose: To assess retrospectively the prognostic factors influencing the development of iatrogenic pneumothorax for RF ablation of upper renal tumors.Material and Methods: Computed tomography (CT)-guided RF ablation was performed in 24 patients (21 men, three women; age range 31–77 years, mean age 53.3 years) with 28 upper renal tumors. Various factors for pneumothorax-complicated (PC) upper renal tumors and non-pneumothoracic (NP) upper renal tumors were compared during RF ablation to determine which of the factors were involved in the development of pneumothorax.Results: Among 28 upper renal tumors in 24 patients, a pneumothorax occurred accidentally in six patients with eight tumors and intentionally in two patients with two tumors. This complication was treated with conservative management, instead of tube drainage. PC upper renal tumors h...
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