Evidence map›Paper›PMID 34286056›Full record

ArticleArthroplasty today2021

A Multimodal Pain Management Protocol Including Preoperative Cryoneurolysis for Total Knee Arthroplasty to Reduce Pain, Opioid Consumption, and Length of Stay.

Joshua A Urban, Kandice Dolesh, Erin Martin

Registry-linked trialAbstract read
In one paragraph

Article in Arthroplasty today, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06088602 (The Effect of Cryoneurolysis for the Treatment of Acute Postoperative Pain Following Total Knee Arthroplasty in High Pain Responders - A Randomized, Participant- and Observer-masked, Sham-controlled Trial), which is not on this map. Cited by 23 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT06088602 naunknown statusnot on this mapstarted 2024, after this paper: background citation

The Effect of Cryoneurolysis for the Treatment of Acute Postoperative Pain Following Total Knee Arthroplasty in High Pain Responders - A Randomized, Participant- and Observer-masked, Sham-controlled Trial

TypeinterventionalSponsorCopenhagen University Hospital, HvidovreRan2024 to 2025Enrolled44ConditionsAcute Postoperative PainArmsCryoneurolysis, Sham
3 · Its place in the literature

Who cites it

23 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Impact of an Opioid Avoidance Protocol for ACL Reconstruction: A Pilot Sequential Cohort Study.Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews · 2026
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  7. Disparity Between Perceived and Actual Opioid Prescriptions by Orthopaedic Surgeons After Total Joint Arthroplasty.Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews · 2025
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  8. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Joshua A UrbanOrthoNebraska, Omaha, NE, USA.
Kandice DoleshOrthoNebraska, Omaha, NE, USA.
Erin MartinOrthoNebraska, Omaha, NE, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundA retrospective analysis was conducted to determine if cryoneurolysis of superficial genicular nerves combined with standard care decreased postoperative opioids and pain after total knee arthroplasty (TKA).

methodsData from patients who underwent TKA at a single center were analyzed. Patients who received standardized cryoneurolysis before TKA were compared with a historical control group including patients who underwent TKA without cryoneurolysis. Both groups received a similar perioperative multimodal pain management protocol. The primary outcome was opioid intake at various time points from hospital stay to 6 weeks after discharge. Additional outcomes included pain, length of stay, and range of motion.

resultsThe analysis included 267 patients (cryoneurolysis group: n = 169; control group: n = 98). During the hospital stay, the cryoneurolysis group had 51% lower daily morphine milligram equivalents (MMEs) (47 vs 97 MMEs; ratio estimate, 0.49 [95% confidence interval (CI), 0.43-0.56];

conclusionsAddition of preoperative cryoneurolysis to a multimodal pain management protocol reduced opioids and in-hospital pain and optimized outcomes during the 6-week recovery period after TKA.

Indexed as

CryoanalgesiaKnee replacementMultimodal analgesiaOrthopedic surgeryPain management

Identifiers

PMID34286056
PMCPMC8280475

What OpenQuestion holds

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.