Safety and feasibility of same-session endoscopic ultrasound-guided biopsy and fiducial placement in pancreatic cancer
2021
ABSTRACT Background In patients with pancreas adenocarcinoma (PDAC), performing endoscopic ultrasound (EUS)-guided fiducial placement at the time of initial EUS-guided biopsies may obviate a second procedure, streamline care, and improve resource utilization. However, the safety of this combined approach is understudied. Methods We retrospectively identified and reviewed cases at a single institution in which patients with PDAC underwent EUS-guided biopsy and same session fiducial placement. Patient and procedural characteristics were abstracted. Intraprocedural and postprocedural adverse events were classified according to the American Society for Gastrointestinal Endoscopy Lexicon for Adverse Events. The percentage of "definite" and "probable" adverse events occurring within 14 days of the procedure was calculated. Results Thirty-three patients were included in this series (median age 64, 42% male). The median numbers of biopsies performed and fiducials placed were 3 (range 2-7) and 4 (range 1-4), respectively, per patient. A 22-gauge needle was used for the majority of biopsies (81.8%) and all fiducial placements (100%). No definite and one probable adverse event of mild postprocedural pain was noted (3.0%, 1/33). There were no episodes of significant bleeding, pancreatitis or infection. Fiducials were successfully used in the administration of radiation to all patients. Conclusion We report a low risk of adverse events in the setting of combined EUS-guided biopsy and fiducial placement. In the appropriate setting, this approach may streamline care for patients with PDAC while avoiding time, cost, and risks associated with an additional procedure or impacting radiation therapy. Larger, controlled studies are needed to validate the safety and efficacy of this combined approach.
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