Work

AVF Occlusion Unveils True Hemodynamics

Year: 2026

Type: article

Abstract: BACKGROUND: High-flow hemodialysis arteriovenous fistulas (AVFs) can augment measured cardiac output and confound transplant hemodynamic assessment. CASE SUMMARY: , pulmonary artery oxygen saturation from 65% to 49%, and cardiac power output from 0.78 to 0.58 W. DISCUSSION: Duplex-confirmed AVF occlusion demonstrated that baseline cardiac output and pulmonary vascular indices were shunt-dependent, unmasking low-output physiology not appreciated with subjective occlusion. TAKE-HOME MESSAGE: Hemodynamics may be misleading unless AVF occlusion is complete and verified during right heart catheterization.

Source: JACC Case Reports

DOI: 10.1016/j.jaccas.2026.109744

Authors: Kenneth S. Paik, Aderonke O. Adeniyi, Priyesh A. Patel, Swethika Sundaravel, Olivia Gilbert

Institutions: Atrium Health Wake Forest Baptist, Wake Forest University Health Sciences, Wake Forest University

Language: English

Topic: Central Venous Catheters and Hemodialysis

Subfield: Emergency Medical Services

Field: Health Professions

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: gold

Estimated APC paid: $850