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Background: Limited data exist on the reliability, efficacy and safety of ultrasound-guided transbronchial cryobiopsy for suspicious mediastinal and hilar lesions. This study shares findings from implementing this method and compares the results with those of the standard endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA).

Methods: Patients undergoing diagnostic bronchoscopy for mediastinal or hilar lesions in four Swiss centres were included.

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Background: Endobronchial ultrasound (EBUS)-guided mediastinal/hilar cryobiopsy (MedCryoBx) is a relatively new modality, being combined with EBUS-transbronchial needle aspiration (TBNA) to improve yield in the diagnosis of intrathoracic adenopathy. This meta-analysis aims to investigate the diagnostic yield of MedCryoBx versus EBUS-TBNA for intrathoracic adenopathy.

Methods: We conducted a systematic search using Google Scholar, Embase, and PubMed/MEDLINE for studies about a diagnosis of intrathoracic adenopathy using MedCryoBx and EBUS-TBNA.

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Article Synopsis
  • Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is limited in diagnosing certain conditions like lymphoma and sarcoidosis, prompting research on a new technique called transbronchial node biopsy (EBUS-TBNB) to improve tissue sample quality and diagnostic accuracy.
  • A systematic review compared the safety and diagnostic yields of EBUS-TBNB and EBUS-TBNA, revealing a higher overall diagnostic yield for EBUS-TBNB (86.01%) compared to EBUS-TBNA (77.80%).
  • The study found that EBUS-TBNB showed greater success rates in diagnosing both malignancies and benign conditions, although complications were relatively low, encompassing risks
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A Novel Procedure for Endobronchial Ultrasound-Guided Transbronchial Mediastinal Cryobiopsy with a Puncture Dilation Catheter.

Respiration

November 2024

State Key Laboratory of Respiratory Health and Multimorbidity, Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, China-Japan Friendship Hospital, Beijing, China.

Introduction: Endobronchial ultrasound (EBUS)-guided transbronchial mediastinal cryobiopsy (TBMC) is increasingly used to diagnose mediastinal lymphadenopathy. Various methods have been used to create a tunnel between the airway wall and the lesions for this procedure, such as electrocautery and penetration with the sheath of the needle for EBUS-transbronchial fine needle aspiration. However, those methods are complex.

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Introduction: Endobronchial ultrasound-guided transbronchial mediastinal cryobiopsy (EBUS-TMC), a novel technique, has been reported to improve the diagnostic value of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) for mediastinal lesions in recent studies. Current literature suggests that this procedure has greater diagnostic efficacy compared to conventional EBUS-TBNA. This systematic review and meta-analysis aimed to evaluate the diagnostic yield and complications associated with EBUS-TMC in comparison to EBUS-TBNA, thereby exploring the potential of this novel technique in enhancing the diagnostic utility for mediastinal lesions.

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