In the world wide web you will find only rare articles about polo injuries. One of these scientific articles concludes that at every tournament an orthopedic and trauma surgeon should be present at all times.
Andreas Krüger (MD, PoloDoc)
Specialist in Orthopaedic Surgery and Traumatology FMH
Appointments with Dr. med. Andreas Krüger at Zurich Main Station / Specialist in Orthopedics and Traumatology of the Musculoskeletal System (Member FMH)