57% less pain — within the first hour
In the blinded breast-reduction trial, treated patients reported pain roughly 57% lower at one hour.
The finding
In Rhode 2010, patients using the active SofPulse device reported mean pain scores about 57% lower than the sham group at one hour after treatment began. Because the control device was identical and inactive, the early gap is hard to attribute to expectation alone.
Why speed is the point
The first hour after surgery is when patients reach for the first — and often the most — narcotics. A measurable drop in pain that fast tracks the millisecond-scale nitric-oxide release the device triggers, and it is the window where an opioid-sparing adjunct does the most good.
The study design
Rhode 2010 enrolled women undergoing bilateral breast reduction. Active and sham groups were balanced for age, BMI, resection weight, and anesthesia type. Pain was measured on a standard 100-mm visual analog scale (VAS) at 1, 2, 5, 24, and 48 hours post-operatively. The one-hour measurement is the earliest reported timepoint, and the group difference was already large enough to reach statistical significance. Both groups had identical access to rescue narcotic analgesics on demand — differences in consumption were driven by patient need, not rationing.
What this means in practice
An hour after surgery, a patient using the active device is reporting pain scores less than half those of the control group. In practical terms: less breakthrough pain in the recovery room, less reaching for the call button, and a first-hour narcotic requirement that is substantially lower. This is the window where the opioid pipeline begins for many patients — a drug-free device that measurably changes that first hour has the potential to change the entire trajectory of the recovery.
Compared to the standard alternative
In the first post-operative hour, standard care typically delivers scheduled IV ketorolac or oral opioids at awakening from anesthesia. These drugs take 20–40 minutes to reach peak effect and carry their own adverse-effect profiles in the acute period (hypotension, nausea, respiratory depression). tPEMF begins working in the pre-discharge recovery room, with no pharmacokinetic delay and no systemic exposure, as an adjunct to rather than replacement for conventional analgesia. The 57% result was achieved on top of standard care — not instead of it.
Sources
- Rhode C, et al. Plast Reconstr Surg. 2010 — early post-operative pain scores
Related
Ready to put SofPulse to work?
SofPulse is available by prescription. Patients can order online and pay with pre-tax HSA/FSA dollars; clinicians can start prescribing in minutes.
For education only — not medical advice, and not a substitute for a clinician's judgment. SofPulse is available by prescription only. Reimbursement figures reflect the 2026 CMS Physician Fee Schedule and vary by locality, payer, and documentation.