26th June 2023

An 80-year-old man has been on thrice-weekly haemodialysis for more than ten years.

An 80-year-old man has been on thrice-weekly haemodialysis for more than ten years. He complains of tingling and numbness in his fingers bilaterally, specifically the thumb, index, middle and part of the ring finger. He also has difficulty with gripping using his thumb.

What is the most likely cause for the symptoms above?