A Study to Evaluate the Incidence of Infrapatellar Branch of the Saphenous Nerve Encounters during Knee Arthroplasty


About this study

The aim of this study is to evaluate the incidence of infrapatellar branch of the saphenous nerve encounters during the standard medial parapatellar approach to the knee during arthroplasty.

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. If you need assistance understanding the eligibility criteria, please contact the study team.

Inclusion Criteria:

  • Adults ≥18 years 
  • Intact presurgical peripheral sensation based on 5.07 monofilament testing 
  • Undergoing planned total knee arthroplasty surgery

Exclusion Criteria: 

  • Presurgical neurologic discrepancies (peripheral neuropathy, radiculopathy) 
  • Complex regional pain syndrome 
  • Peripheral nerve surgery, narcotic dependency

Participating Mayo Clinic locations

Study statuses change often. Please contact us for help.

Mayo Clinic Location Status Contact

Jacksonville, Fla.

Mayo Clinic principal investigator

Glenn Shi, M.D.

Closed for enrollment

Contact information:

Glenn Shi M.D.



More information


Publications are currently not available

Study Results Summary

Not yet available

Supplemental Study Information

Not yet available


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