Effectiveness of Pain Neuroscience Education vs Biomedical Education for Patients Undergoing Surgery for Shoulder Pain

Shoulder Pain

Shoulder pain, Shoulder surgery, Pain neuroscience education, Chronic pain

BACKGROUND Shoulder pain is the third most common musculoskeletal disorder observed in primary care consultations after low back and neck pain. In the absence of successful outcome following a conservative intervention, shoulder surgery is the most common procedure conduct for a multitude of surgical indications, including rotator cuff tears, instability and stiffness. However, 22% of patients develop chronic shoulder pain (CSP) following shoulder surgery . The consequences of chronic or persistent postsurgical pain result in high socio-economic burden, not only in terms of suffering and reduced quality of life for the individual, but also, with considered the subsequent costs to healthcare and social services. Pain neuroscience education (PNE) has been shown as an effective therapeutic strategy for increasing knowledge and understanding about neurobiology, neurophysiology and processing pain, changing pain beliefs, improving patient's skills and encouraging to do physical and social activities in different chronic pain conditions. The primary aim of this study will be to evaluate whether perioperative PNE is more effective than classical biomedical education in reducing pain and disability in patients undergoing shoulder surgery. The secondary aim will be to analyse whether perioperative PNE is more effective than classical biomedical education in reducing postoperative healthcare costs and improving surgical experience in patients undergoing shoulder surgery .

The present study will be a 6-month randomized controlled trial that will be carried out between March 2017 and Aug 2017 in a regional hospital (secondary care setting ) of the province of Malaga, Spain. Participants scheduled for shoulder surgery and those that fulfil inclusion criteria will be asked for participating in this study. The outcomes will be assessed at baseline (in the week preceding surgery) and at 3 follow-ups times (1 week, 1 month and 6 months' post-surgery t1-t4 ). All patients scheduled for shoulder surgery in the participating hospital and meeting the age criteria will be contacted by telephone and interviewed after having given consent. The initial telephone interview serves to provide a verbal description of the project and to screen potential study participants for in- and exclusion criteria (see above). People deemed likely to be eligible and willing to participate in the study will be scheduled for baseline assessments in the week before surgery. Furthermore, they will receive written information about the study via mail or e-mail. Prior to undertaking the baseline assessments, they will have the opportunity to ask questions and will be asked to provide written informed consent. Anonymized age, gender and visual analogue scale- verbal numerical rating scale (VAS-VNRS) for pain will be collected for those participants who decline to take part in the project, to assess the external validity of the recruited sample of participants. Participants are not expected to start new treatments or medication other than their usual pre- and postoperative care 3 weeks prior to and during study participation. Participants will then complete several questionnaires at baseline, 1 week, 1 month and 6 months' post-intervention apart from biomedical education or PNE intervention. Retention of participants will be encouraged by researchers providing written feedback to all participants about the results of the health screenings, maintaining the interest in the study through materials and mailings sent to participants during all the process and using reminders of the upcoming data collection. Participant data files will be stored in numerical order and in a secure and accessible place and manner. Participant files will be maintained in storage for a period of 3 years after completion of the study.

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