CompletedNot Applicable

Risk Factors and a Predictive Nomogram for Acute Moderate-to-severe Postoperative Pain After Achilles Tendon Surgery

China489 participantsStarted 2026-04-16

Plain-language summary

This is a single-center retrospective cohort study to identify independent risk factors and develop a predictive nomogram for moderate-to-severe pain within 24 hours after Achilles tendon surgery.

Who can participate

Age range18 Years

SexALL

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Inclusion criteria

✓. Age ≥ 18 years; American Society of Anesthesiologists (ASA) physical status classification Ⅰ\~Ⅲ;
✓. Clinically diagnosed with Achilles tendon rupture, Achilles tendinopathy, insertional Achilles tendinitis, Haglund's deformity, or other Achilles tendon disorders;
✓. Undergoing open or arthroscopic Achilles tendon surgery;
✓. Conscious and able to cooperate in surgery and postoperative pain assessment;
✓. Complete and accessible case data related to surgery, anesthesia, and postoperative pain assessment;
✓. Completion of at least 24 hours of standardized pain monitoring and clinical follow-up after surgery

Exclusion criteria

✕. Missing or incomplete key clinical data such as pain assessment, surgery and anesthesia;
✕. Failure to complete 24-hour standardized pain monitoring after surgery; Perioperative unplanned secondary surgery or transfer to the intensive care unit (ICU);
✕. Patients with mental illness, cognitive dysfunction, or language communication barrier; History of alcohol or drug addiction Pain due to other acute or chronic diseases;
✕. Bilateral Achilles tendon surgery Concurrent surgery for other lower extremity injuries

What they're measuring

Incidence of Moderate-to-Severe Acute Postoperative Pain

Timeframe: Within 24 hours after surgery

Trial details

NCT IDNCT07558512

SponsorMin Li

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2026-04-25

View on ClinicalTrials.gov More Postoperative Pain trials