Chronic postoperative pain has an overall incidence of approximately 30%, with 5% to 10% of cases classified as severe (numerical rating scale \> 6/10). However, its management remains suboptimal, primarily due to underdiagnosis and delayed referral of patients to specialized chronic pain centers. Improving the screening of patients with chronic postoperative pain is therefore crucial. Our research has shown that early detection of postoperative neuropathic pain is possible using just two text messages (SMS), as early as three months after surgery. Early screening, combined with prompt management, can prevent pain from becoming chronic and mitigate its harmful effects. Study design This study is a cluster crossover randomized trial. All participating centers (n=16) will take part in two sequential study periods: * Control Period: "Without early treatment at 3 months" During this period, patients with persistent postoperative pain-identified via SMS-will receive treatment at 6 months. This reflects the current standard of care for patients with postoperative pain. * Intervention Period: "With early treatment at 3 months" During this period, patients with persistent postoperative pain-identified via SMS-will receive early treatment starting at 3 months. Study Population The study will include patients undergoing the following minor surgical procedures: * Inguinal hernia repair * Breast reduction * Mastectomy with lymph node dissection * Knee arthroscopy * Knee ligament reconstruction Study Schedule Recruitment Period: 24 months Patient Follow-up: 6 months Total Estimated Study Duration: 30 months
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SCREENING
Masking
NONE
Enrollment
2,052
During this period, patients with persistent post-operative pain, identified through SMS screening, will receive early treatment starting at 3 months.
Hôpital Prive Claude Galien
Boussy-Saint-Antoine, France
Hospices Civils de Lyon
Lyon, France
Clinique Jules Verne
Nantes, France
Hôpital Privé du confluent Santé Atlantique
Nantes, France
AP-HP : Hôpital de la Pitié Salpêtrière
Paris, France
AP-HP : Hôpital Saint-Louis
Paris, France
Clinique Drouot Remusat
Paris, France
Clinique Geoffroy Saint Hilaire
Paris, France
Hôpital de la Croix Saint-Simon
Paris, France
Hôpital Paris Saint-Joseph
Paris, France
...and 6 more locations
Proportion of patients with chronic post-operative pain at 6 months.
Time frame: 6 months post-operative
Types of chronic post-operative pain at 3 and 6 months: frequency of neuropathic pain and pain due to excessive nociception
Time frame: 3 and 6 months post-operative
Proportion of patients responding to SMS during the various assessments
Time frame: 3 and 6 months post-operative
Sensitivity and specificity of SMS for diagnosing pain with neuropathic characteristics post-operatively at 3 and 6 months
Time frame: 3 and 6 month post-operative
Proportion of patients with pain at 3 and 6 months according to the type of surgery
Time frame: 3 and 6 months post-operative
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