4 Clinical Trials for Various Conditions
This study compares the yield of 19-gauge needles vs 21-gauge needles during EBUS TBNA procedures.
Obtaining a sample from a lesion in the gastrointestinal tract by endoscopic ultrasound (a flexible tube with a camera and small ultrasound machine at its end )requires the use of a needle for taking the sample from the lesion or what we call "Fine needle aspiration (FNA)". Currently, FNA is done by three commercially available needles. These needles are used routinely in our institution for FNA. The data regarding the safety and the successfulness of any of these needles are lacking. We sought to compare all three commercially available needles in a prospective manner.
The objective of this study is comparing the attributable procedural time of Endobronchial Ultrasound - Transbronchial Needle Aspiration (EBUS-TBNA) when sampling mediastinal and hilar lymph nodes with or without Rapid On-Site Evaluation (ROSE). The primary outcome will be the time elapsed from EBUS bronchoscope insertion to bronchoscope withdrawal. Secondary outcomes will include total number of sampled lymph nodes, average number of needle aspirations per lymph node sampled, overall diagnostic yield, and procedural time of the cytopathologist.
Primary objective: * To estimate the degree of agreement in diagnosis of cytologic samples from mediastinal lymph nodes obtained by Endobronchial Ultrasound (EBUS)-guided Fine Needle Capillary Sampling (FNC) versus Fine Needle Aspiration (FNA). Secondary objective: * To compare the quality of cytologic samples from mediastinal lymph nodes obtained by EBUS-guided FNC versus FNA. The quality of the samples will be assessed initially by MDACC on-site cytology technicians, and then corroborated by physicians in the department of cytology. This assessment will be performed utilizing the Mair's score 3. The score consists of a 0-10 scale: 1-2= poor; 3-6=good; 7-10=superior.