When Karen Raspatello realized her dog, Nola, might be suffering from hip dysplasia, she knew what she was in for. And she knew whom to call. Karen and her husband had already undergone a similar experience with their other German Shepherd, Savannah, successfully treated with total hip replacement surgery by Kimberly Agnello, DVM, MS DACVS, orthopedic surgeon at Penn Vet’s Ryan Hospital.