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Clinical Evidence Search

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Valimahomed 2024: RWE of PNS for Chronic Shoulder Pain
Summary
  • Retrospective Real World Evidence (RWE) analysis of 768 patients with chronic shoulder pain.
  • Common PNS lead targets included the suprascapular and/or axillary nerves.
  • Improvements in multiple health domains (e.g., quality of life, physicial function, sleep) at EOT.
Gutierrez 2024: Chart Review of PNS for Chronic Shoulder Pain
Summary
  • Anonymized medical records were reviewed of patients who received SPRINT PNS for shoulder pain.
  • Over 80% of patients reported a substantial (≥50%) reduction in shoulder pain with SPRINT at EOT.
  • Bimodal stimulation produced the greatest percent pain relief.
Huntoon 2023: RWD Outcomes with PNS in Chronic Pain
Summary
  • Anonymized records of 6,160 patients implanted with SPRINT PNS were retrospectively reviewed
  • 71% were responders with ≥50% pain relief and/or improvement in quality of life at end of treatment
  • Average and worst pain, percentage pain relief, and global impression of change were also reported
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