Ligation or Occlusion of the Internal Iliac Arteries for the Treatment of Placenta Accreta Spectrum:Why Is This Technique Still Performed?

Introduction The major complication of placenta accreta spectrum(PAS)disorder is massive bleeding;therefore,multiple vascular interventions have been described to prevent or treat pelvic bleeding.Ligature of the internal iliac arteries(IIAs)was published more than 130 years ago,and although research relating to the physiology of this procedure has demonstrated poor vascular control over the last few decades,2-this technique has evolved into an established technique known as endovascular IIA balloon occlusion.