The Journal of Endovascular Therapy recently published the Study of Serration Angioplasty in the Infrapopliteal Arteries Using the Serranator Device: PRELUDE BTK Study. Holden A, Lichtenberg M, Nowakowski P, Wissgott C, Hertting K, Brodmann M. Prospective Study of Serration Angioplasty in the Infrapopliteal Arteries Using the Serranator Device: PRELUDE BTK Study.