Contraindications
  1. Bleeding deemed controllable by direct suture or electrocautery.
  2. Severe instability of the patient as measured by severe hemorrhage or hypertension.
  3. Bleeding further than 2 cm from the midline. Bleeding that appears to originate from a sacral neural formina or a vital structure such as a ureter, rectum, or vagina.
  4. Diffuse hemorrhage related to a systemic coagulation disorder not controllable by fingertip pressure against the anterior surface of the sacrum.