A Study to Evaluate Ultrasound-guided Erector Spinae Plane Blocks


About this study

The purpose of this study is to to demonstrate the feasibility of performing ultrasound-guided erector spinae plane blocks in the Emergency Department (ED) and Intensive Care Unit (ICU).

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Patients 18 years old or older.
  • Patients with one or more acute traumatic rib fractures.

Exclusion Criteria:

  • Individuals under 18 years of age.
  • Inability to position appropriately.
  • Unconscious or heavily sedated.
  • Patients who are critically ill such that care should not be delayed for regional anesthesia.
  • Vulnerable populations including prison inmates and pregnant patients.
  • Overlying skin infection, wound, or dressing/equipment (i.e., chest tube).
  • Inability to visualize target anatomy or by ultrasound or anatomy prohibitive for other reasons to perform procedure successfully.
  • Known or documented allergy to ropivacaine or other amide local anesthetic.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Daniel Stephens, M.D.

Open for enrollment

Contact information:

Derek Vanmeter

(507) 255-4732


More information


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