Clinical Evidence Search

Clinical Evidence Search

Tate 2023: Technical Case Report on PNS of Musculocutaneous Nerve
Summary
  • Completed ultrasound-guided placement of short-term PNS lead targeting musculocutaneous nerve (MCN)
  • Patient had total pain resolution & coverage in antecubital & radial forearm areas during 60-Day PNS
  • Ultrasound-guided placement of PNS is feasible for targeting the MCN in refractory elbow pain
Kelly 2023: PNS Retrospective Case Series in Chronic Knee Pain
Summary
  • Retrospective case series (n=14): PNS targeting femoral and saphenous nerves for chronic knee pain
  • 75% reported ≥50% pain reduction; 52% average pain relief at six months post-implantation
  • Demonstrated safety and efficacy with no adverse events
Pingree 2022: Long-Term Follow-Up Survey Following 60-Day PNS
Summary
  • Cross-sectional follow-up survey of SPRINT PNS patients.
  • Most patients reported meaningful pain relief and/or improvement in quality of life at follow up.
  • About one third of survey respondents also reported reducing or stopping medication use.
Naidu 2022: Real-World Analysis of Delayed Response to PNS
Summary
  • 60-day PNS treatment can help identify delayed responders and non-responders to stimulation
  • 38% of patients (n=747) were either delayed responders (31%) or delayed non-responders (7%)
  • 60-day PNS may help inform treatment strategies to optimize outcomes and cost for patients
Chitneni 2022: Case Reports of PNS in Rotator Cuff Pathology
Summary
  • Two reports of suprascapular & axillary nerve PNS for chronic shoulder pain after rotator cuff tear
  • Reported 80-90% pain relief and 50%-75% opioid reduction 3-months after completing 60-day PNS
  • 60-day PNS may provide sustained relief of rotator cuff pain recalcitrant to conservative treatments
Fiala 2022: Case Series of Lumbar Level PNS for Low Back Pain
Summary
  • Six reports of PNS targeting the lumbar medial branches for low back pain.
  • Patients reported an average 65% pain reduction with PNS.
  • Medial branch PNS may provide pain relief and functional improvements to those with refractory CLBP.
Moman 2021: PNS for Refractory Occipital Neuralgia (Case Report)
Summary
  • Single patient case report of temporary PNS (GON) followed by permanent PNS for occipital neuralgia
  • Temporary PNS provided resolution of pain and discontinuation of opioids during treatment of ON
  • Pain returned after removal. A permanent lead was implanted and provided relief for 12 months
Shaw 2021: PNS for Post-thoracotomy Intercostal Pain Case Reports
Summary
  • Two reports of durable relief (13-14 months) following 60-day PNS of intercostal nerves.
  • 60-Day PNS of intercostal nerves for chronic post-thoractomy intercostal neuralgia.
  • PNS may reduce opioid and nonopioid medication usage in intercostal neuralgia pain.