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Tomiyama N, Yasuhara Y, Nakajima Y, et al. Early hyperbaric oxygen therapy is recommended for patients with cerebral air embolism. Lesions that were > 2 cm from the pleural surface had a 10-fold increased risk of bleeding compared with those that abutted the pleural surface. The complications rate in control group was similar, hemorrhage in 33% (19/39) (p=0.6), moderate hemoptysis in 5% (2/39) (p=0.3), pneumothorax in 28% (11/39) (p=0.2), chest tube in (0/39) (p=0.3), and hemothorax in 3% (1/39) of the patients (p=0.7). Radiology 1991 ; 181 : 778 [III]. A technique of obliterating, or “patching,” the needle track by injecting 2–3 mL of autologous blood during the final withdrawal of the introducer needle to minimize the incidence of postbiopsy pneumothorax may be considered in patients at high risk for developing pneumothorax [8]. The procedure is very safe when performed by appropriately trained and experienced physicians. Systemic air embolism (air in the systemic arterial circulation) is considered a rare complication of CT-guided percutaneous lung biopsy. The catheter can be attached to a one-way Heimlich valve, which allows the patient to remain ambulatory. A biopsy … B, Complete aspiration of pneumothorax allows better apposition of visceral and parietal pleura. Laurent et al. Methods: Ninety-two peripheral lung lesions in 92 patients, detected via computed tomography (CT) and also … Conclusions: In CT-guided lung biopsy, minor complications were common and occurred more often in core biopsy than FNA. Lung lesions: cytologic diagnosis by fine-needle biopsy. Eur J … Risk of pneumothorax not increased by obstructive lung disease in percutaneous needle biopsy. To prevent air embolism, the introducer needle should always be occluded by the inner stylet, saline drops, or a finger. Aspiration of the excess pleural air allows better apposition of the visceral and parietal pleura and prevents further enlargement of pneumothorax. ). Smaller lesion size has been reported previously. The objective of this article is to describe potential complications of percutaneous needle biopsy of the chest, discuss the risk factors associated with the development of complications, and explain how to prevent complications and manage complications when they occur. 1 CT-guided pulmonary biopsy in a 45-year-old female. Risk factors for complications of CT-guided lung biopsies. This increased risk has been attributed to the sampling of the adjacent aerated lung along with the decreased ability of the adjacent aerated lung to provide tamponade. Background: To investigate puncture skills and complications prevention in ultrasound-guided percutaneous needle biopsy for peripheral lung lesions. [Article in English, Italian] Rizzo S(1), Preda L, Raimondi S, Meroni S, Belmonte M, Monfardini L, Veronesi G, Bellomi M. Author information: (1)Department of Radiology, European Institute of Oncology, Via Ripamonti 435, 20141, Milan, Italy. b The biopsy was performed using a 17-gauge introducing needle and 18-gauge cutting needle. This is a prospective cohort study to obtain information directly from patients about their experiences of the biopsy procedure, thus obtaining a more accurate picture of complications compared with previously performed retrospective reviews. Small lesion size and greater lesion depth or long biopsy path are associated with a higher risk of bleeding [3, 4]. The lower figure is based on the occurrence of hemoptysis, and the higher figure is based on the presence of postprocedural perilesional opacity. The occurrence of complications was significantly higher in current smokers (p 0.05; 5 vs. 0) and COPD patients (p 0.05; 5 vs. 0). Finally, after removal of the introducer needle after the biopsy, patients should immediately be positioned with the puncture site down [1, 6]. CT-Guided Percutaneous Needle Biopsy of the Chest: Preprocedural Evaluation and Technique, Pictorial Essay. CT-guided transthoracic needle biopsy: a comparison between automated biopsy gun and fine needle aspiration. Patient had no symptoms and did not require any treatment. CT-guided core-needle biopsy of the lung in patients with hematologic malignancies is a safe and effective technique without an increase in the risk of biopsy-related bleeding complications … Significant hemorrhage can be avoided by careful attention to technique. The pleura-to-lesion distance was the second factor influencing the risk of pneumothorax. Introduction Transthoracic CT-guided lung biopsy is a minimally invasive procedure for the characteriza-tion of pulmonary lesions. Patients should not undergo lung biopsy while in an upright or semiupright position [9, 14]. The most common complication of lung biopsy is a pneumothorax, and it is essential to assess whether the patient can safely withstand the procedure, particularly as many patients being investigated in this way will have smoking related lung disease in addition to any changes in lung function caused by the lesion under investigation. Prediction of pneumothorax rate in percutaneous needle aspiration of the lung. To reduce the number of pleural punctures, interlobar fissures should be avoided. Transthoracic needle biopsy with a coaxially placed 20-gauge automated cutting needle: results in 122 patients. A and B, Chest radiographs obtained 1 hour (A) and 3 hours (B) after biopsy show enlarging pneumothorax. Careful planning is necessary to traverse the least amount of aerated lung without puncturing bullae or pneumatoceles if possible. Introducing needle and 18-gauge cutting needle and parietal pleura and prevents further enlargement of pneumothorax in! 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