An arteriovenous graft (AVG), which is necessary for hemodialysis (HD), has frequent complications; stenosis that causes venous hypertension is concerning for physicians. Herein, we present a case of improved venous hypertension using a Viabahn stent graft in an elderly HD patient. An 86-year-old woman underwent maintenance HD with left arm AVG. Two years later, she was referred to our hospital for treatment of juxta-graft-venous junction (GVJ) stenosis. Subsequently, she underwent four percutaneous transluminal angioplasty (PTA) procedures in the span of 9 months owing to recurrence of stenosis at the juxta-GVJ. One month after the last PTA, the patient had redness, swelling, and pain in her left forearm. We diagnosed venous hypertension based on angiography showing regurgitation to the periphery of the basilic vein and juxta-GVJ stenosis. The stenosed juxta-GVJ was adequately expanded using a 7-mm balloon, and a 7-mm stent graft was inserted into the stenosis site. Following the successful treatment of the condition, there was no regurgitation to the periphery of the basilic vein, and no symptoms were observed. This complication should be considered when an AVG is created because cutting off peripheral veins might prevent venous hypertension. Clinicians should perform regular postoperative monitoring.