Correcting the albumin may help with hypotension so that his blood pressure can stay up to remove fluid . On HD, the tech can give 25 percent albumin which can be done in a hospital . Normally as outpatient , albumin is expensive and normal saline is given which doesn’t help as much . Midodrine can be ordered as well by your nephrologist .
The real question is why is he having “seeping” through his arms ? Does he have a central obstruction in his upper vascular system? Why a catheter? No graft or fistula because of poor veins ?