An interventional study of Endoscopic Ultrasound Fine Needle Aspiration (EUS-FNA) in Pancreatic or Peripancreatic Lesions, Lesions in the Esophagus, Stomach, Duodenum or Rectum and Mediastinal ( Chest) Masses, sponsored by Texas Tech University Health Sciences Center, El Paso. Completed at 1 site in United States. Open to participants aged 18 Years to 88 Years. Per ClinicalTrials.gov, last updated 2017-05-17.
Sponsored by Texas Tech University Health Sciences Center, El Paso · Not applicable, Interventional, and Diagnostic
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 following are being done only for research purposes; prior to performing the FNA, The patient will be randomized to one of the three commercially available FNA needles. At this time, all needles are considered equivalent and there is no medical necessity to pick one over another. The sample obtained by the needle will be assigned a quality score based on certain parameters of the sample such as the abundance of diagnostic cells and the presence of blood. We are going to collect certain information about your procedure such as the complications of the procedure, number of needle passes and final diagnosis.
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Exclusion Criteria:
Procedure: Endoscopic Ultrasound Fine Needle Aspiration (EUS-FNA)
Procedure: Endoscopic Ultrasound Fine Needle Aspiration (EUS-FNA)
Procedure: Endoscopic Ultrasound Fine Needle Aspiration (EUS-FNA)
1. Compare the overall diagnostic accuracy of the three commercially available 22 gauge EUS needles
Cellularity score will be assessed by the cytopathologist using the scoring system from 0 to 10 score. This scoring system evaluate the amount of blood, malignant cells and contaminant cells. The system is a modified form Mair et al study. " Mair S, Dunbar F, Becker PJ, Du Plessis W. Fine needle cytology--is aspiration suction necessary? A study of 100 masses in various sites. Acta cytologica 1989;33:809-13."
Time frame: 2 days after the procedure
Compare the complication rate between the three commercially available 22 gauge EUS needles.
The patient will be contacted after the procedure by one week to review any procedure complications. The patient's medical records may be reviewed for up to 6 months after the procedure to review the surgical resection results or the long-term follow-up results. If the patient receives his further care in another hospital, the patient will be contacted by phone for follow-up for a maximum period of 6 months.
Time frame: up to 1 month after the procedure
Compare the number of FNA needles passes required to reach the diagnosis.
The number of passes required to reach the diagnosis
Time frame: During the procedure ( 30 -45 minutes)
Compare the technical success of the three commercially available 22 gauge EUS needles
The ability of the needle to perform the intended purpose of the procedure ( reach the lesion and obtain sufficient tissues)
Time frame: During the procedure ( 30-45 minutes)
Plan to share: No
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Texas Tech University Health Sciences Center, El Paso