EUS-guided portal pressure measurement using a digital pressure wire with real-time remote display: a novel, minimally invasive technique for direct measurement in an animal model

Hepatic venous pressure gradient (HVPG) currently serves as a surrogate for portal pressure measurement but has many limitations. We have developed a novel technique for rapid and direct portal pressure measurements using a digital pressure wire delivered through an EUS-guided 22-G FNA needle. Our aims were to evaluate (1) short term safety and technical feasibility; (2) procedural duration and subjective workload assessment; and (3) accuracy compared with a transjugular criterion standard approach.

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