Dialysis Central Line Care and Dressing Change Central Line Care at Home Booklet Text Discharge Instructions: Changing the Dressing on Your Midline Catheter Central Line: Broviac Dressing Change Here's How I Change The Dressing On My Hickman Line (A Type Of Central Line). I Do A Dressing Change Once A Week And Whilst Cleaning The Dressing a Central Line Properly Maimonides Emergency Medicine Residency