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Cold Compression and Opioid Use: What the Studies Show

Some studies have found that patients using cold compression after surgery took fewer opioids in the first days of recovery. Others found no significant difference. The honest summary: the research is mixed and depends on the surgery, what cold compression was compared against, and how long patients were followed. Cold compression is used as one non-opioid piece of a pain plan your surgeon sets. It doesn’t replace that plan, and it isn’t a reason to change any medication on your own.

If you’ve read that cold therapy “cuts opioid use,” here’s what’s behind that line, and where it holds up.

The studies that found less opioid use

Knee replacement, cold vs warm (Thijs et al., 2019). In a double-blind randomized trial of 60 knee replacement patients, everyone used the same computer-assisted device with the same multimodal pain protocol. The only difference was temperature: 10-12 C for one group, 21 C for the other. The cold group used “47 and 83 tablets for respectively the Cold and Warm-group” of opioids over the first four days (P = 0.001).[1]

Knee replacement, cold plus active compression vs ice plus static compression (Su et al., 2012). This multi-center trial enrolled 280 patients. It found “a significantly lower amount of narcotic consumption (509 mg morphine equivalents) in the treatment group compared with the control group (680 mg morphine equivalents) at up to two weeks postop.” The same study also reported that “between two and six weeks, there was no difference in the total amount of narcotics consumed between the two groups.”[2]

Both were knee replacement trials, and both measured the early window, when cold compression is in heaviest use.

The studies that found no difference

Shoulder surgery, compressive cryotherapy vs an ice wrap (Kraeutler et al., 2015). 46 patients completed this randomized study after rotator cuff repair or subacromial decompression. The authors reported: “No significant differences were found in average pain, worst pain, or morphine equivalent dosage on any day.”[3]

Continuous vs traditional cryotherapy after knee replacement (Liu et al., 2023). This meta-analysis of randomized trials found no difference in “analgesics consumption” (P = 0.43).[4]

The Cochrane review (Aggarwal et al., 2023). It pooled 22 trials and 1,839 participants on cold therapy after knee replacement. It found cryotherapy “may slightly improve pain at 48 hours.” But for analgesia use, a secondary outcome, it found “no significant benefit.” The reviewers rated the certainty of evidence low for blood loss, pain and range of motion.[5]

Why the results don’t line up

A few things explain most of the disagreement:

  • What it was compared against. Cold vs no cold is a different question than cold compression vs a good ice wrap. A trial against an active comparison is harder to win.
  • Which surgery. Most of the data is from knee replacement. Shoulder, hip, and ankle results don’t automatically match.
  • The time window. In Su, the difference showed up in the first two weeks and was gone between two and six weeks.[2-1]
  • Everything else in the plan. Patients in these trials were also on nerve blocks, scheduled non-opioid medications, and physical therapy. That’s how modern pain control works, and it makes any single tool’s share harder to measure.

Where cold compression fits

Surgeons don’t rely on one thing to control pain. They layer several: regional anesthesia, scheduled non-opioid medications, early movement, and cold with compression. One review of joint replacement found that multimodal analgesia with regional techniques “may decrease perioperative opioid use,” and should be “part of a comprehensive perioperative plan to promote adequate analgesia while minimizing overall opioid exposure.”[6]

Cold compression is the piece most patients keep using at home. For how it fits with the other tools, see our guide to non-opioid pain management after surgery.

The stakes are real. A systematic review found that “of all the opioid tablets obtained by surgical patients, 42% to 71% went unused.”[7] Leftover pills are a household risk. That’s a big reason surgeons plan for fewer opioids from the start.

What WRS Group patients told us

We survey patients after WRS Group cold compression therapy. 70% took fewer opioid pills (patient-reported), based on 2,060+ post-op patients SURVEYED after WRS Group cold compression therapy.[8]

This is a patient-reported survey, not a controlled trial. It tells you what our patients experienced. It can’t show that the therapy caused the difference, and it isn’t a prediction for any one person.

What to ask your surgeon

  • Is cold compression a good fit for my surgery?
  • What else is in my pain plan, and on what schedule?
  • How should I use cold compression, and for how long?
  • What should I do if my pain isn’t controlled?

Cold compression therapy requires a prescription. If your surgeon recommends it, here’s how to get one.

Frequently asked questions

Does cold compression therapy reduce opioid use after surgery?
Some trials found it does in the first days after knee replacement. Others, including a shoulder surgery trial and a Cochrane review, found no significant difference. The evidence is mixed, and the answer depends on the surgery and the comparison.[1-1][3-1][5-1]
What did the Cochrane review find?
Across 22 trials and 1,839 knee replacement patients, cryotherapy “may slightly improve pain at 48 hours.” It found “no significant benefit” for analgesia use. Certainty of the evidence was low.[5-2]
Is cold compression a replacement for pain medication?
No. It’s one non-opioid part of a plan your surgeon sets, alongside medications, nerve blocks, and movement. Never stop or reduce a prescribed medication without talking to your prescriber.
Is cold compression better than ice for opioid use?
The research doesn’t settle it. One knee trial found less narcotic use vs ice with static compression for the first two weeks. A shoulder trial found no difference vs an ice wrap.[2-2][3-2]
Do I need a prescription for cold compression therapy?
Yes. Cold compression therapy requires a prescription, including when you pay cash. WRS Group helps coordinate it with your surgeon’s office.
What does the WRS Group patient survey show?
70% took fewer opioid pills (patient-reported), based on 2,060+ post-op patients SURVEYED after WRS Group cold compression therapy. It describes patient experience. It isn’t a controlled study.[8-1]

References

  1. Thijs E, Schotanus MGM, Bemelmans YFL, Kort NP. Reduced opiate use after total knee arthroplasty using computer-assisted cryotherapy. Knee Surg Sports Traumatol Arthrosc. 2019;27(4):1204-1212. PMID: 29725749.↩︎↩︎
  2. Su EP, Perna M, Boettner F, et al. A prospective, multi-center, randomised trial to evaluate the efficacy of a cryopneumatic device on total knee arthroplasty recovery. J Bone Joint Surg Br. 2012;94(11 Suppl A):153-156. PMID: 23118406.↩︎↩︎↩︎
  3. Kraeutler MJ, Reynolds KA, Long C, McCarty EC. Compressive cryotherapy versus ice – a prospective, randomized study on postoperative pain in patients undergoing arthroscopic rotator cuff repair or subacromial decompression. J Shoulder Elbow Surg. 2015;24(6):854-859. PMID: 25825138.↩︎↩︎↩︎
  4. Liu MM, Tian M, Luo C, Wang S, Shao L. Continuous cryotherapy vs. traditional cryotherapy after total knee arthroplasty: a systematic review and meta-analysis of randomized controlled trials. Front Surg. 2023;9:1073288. PMID: 36713652.↩︎
  5. Aggarwal A, Adie S, Harris IA, Naylor J. Cryotherapy following total knee replacement. Cochrane Database Syst Rev. 2023;9:CD007911. doi:10.1002/14651858.CD007911.pub3.↩︎↩︎↩︎
  6. Soffin EM, Wu CL. Regional and multimodal analgesia to reduce opioid use after total joint arthroplasty: a narrative review. HSS J. 2019;15(1):57-65. PMID: 30863234.↩︎
  7. Bicket MC, Long JJ, Pronovost PJ, Alexander GC, Wu CL. Prescription opioid analgesics commonly unused after surgery: a systematic review. JAMA Surg. 2017;152(11):1066-1071. PMID: 28768328.↩︎
  8. WRS Group Cold Compression Scores – patient-reported outcomes survey, 2,060+ post-op patients SURVEYED (WRS Group internal data, 2026).↩︎↩︎

Questions about cold compression and your pain plan?

Our team works with patients, caregivers, and surgeons on cold compression therapy every day. Tell us what you need and the right person will get back to you.

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