Poulsen, Sofie Sondrup

Rasmussen, Sten

Ratnasingam, Geerthana

Soegaard, Stinne

Vistrup, Sabina

    Aalborg UniversitetQualitative Assessment of Postoperative Pain and Sensitization Following Primary andRepeated Lumbar Spondylodesis.Rasmussen, Sten; Vistrup, Sabina ; Soegaard, Stinne ; Poulsen, Sofie Sondrup;Ratnasingam, GeerthanaPublication date:2014Document VersionEarly version, also known as pre-printLink to publication from Aalborg UniversityCitation for published version (APA):Rasmussen, S., Vistrup, S., Soegaard, S., Poulsen, S. S., & Ratnasingam, G. (2014). Qualitative Assessment ofPostoperative Pain and Sensitization Following Primary and Repeated Lumbar Spondylodesis.. Poster sessionpresented at 15th EFORT Congress 2014 , London, United Kingdom.General rightsCopyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright ownersand it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.            ? Users may download and print one copy of any publication from the public portal for the purpose of private study or research.            ? You may not further distribute the material or use it for any profit-making activity or commercial gain            ? You may freely distribute the URL identifying the publication in the public portal ?Take down policyIf you believe that this document breaches copyright please contact us at vbn@aub.aau.dk providing details, and we will remove access tothe work immediately and investigate your claim.Downloaded from vbn.aau.dk on: April 24, 2017Each color shows the measurements for one specific patient. Patient ID 1001 to 1009 indicates primary surgery and 2001 to 2007 indicates previous surgery                                                                                                                                                                                                         RESULTS  A significant difference in PPT measurements between primary and previous surgery was only seen in the left Achilles tendon (p = 0.04).   In primary patients the PPT measurements were significantly higher with DNIC than without at L5 (p = 0.04), the left vastus lateralis muscle (p = 0.02) and the right Achilles tendon (p = 0.04).   In patients with previous surgery there was no significant difference in PPT with and without CPM. Visualizing difference (PPT1-PPT2) to PPT1 the group of data points from primary surgery was located lower than previous surgery, suggesting lower pain thresholds and more severe pain after repeated lumbar spondylodesis.                                Qualitative Assessment Of Postoperative Pain And Sensitization Following Primary And Repeated Lumbar Spondylodesis Sten Rasmussen, Sabina Vistrup, Stinne Soegaard, Sofie Sondrup Poulsen, Geerthana Ratnasingam Orthopaedic Surgery Research Unit, Aalborg University Hospital Science and Innovation Center, Aalborg, Denmark   INTRODUCTION  Lumbar spondylodesis for degenerative disease is not curative and have adequate pain relief in 70-80 % of patients.   It was hypothesized that patients with previous surgery experience more severe pain, more central sensitization, and lower quality of life than primary patients.  OBJECTIVES   This study aimed to investigate the qualitative assessment of postoperative pain and sensitization following primary and repeated spondylodesis.      METHODS  A total of 16 patients 1 year after surgery were investigated using quantitative measurements of pain pressure threshold (PPT) with and without conditioned pain modulation (CPM), and subjective evaluations through EuroQol-5D, Oswestry Disability Index, Pittsburgh, and Paindetect questionnaire.  Pressure pain threshold measurements (kg/cm) using a pressure algometer at the vertebrae  The expanded pain analysis consisted of a qualitative assessment of pain and sensitization.   Quantitative measurements of PPT were measured with a pressure algometer.  T  he sclerotomal measurements were done at spinous processes L2, L3, L4, L5, and S1 while the myotomal measurements were done at the adductor longus muscle, vastus medialis muscle, vastus lateralis muscle, tibialis anterior muscle, and Achilles tendon.   The patient was instructed to push the pressure release button at the time the pressure turned to pain sensation.   Rehearsing was done at the patient’s lateral epicondyle to make sure they knew when to press the release button.   The patient was positioned first lying on the front side and then sitting.        CONCLUSIONS The study did not provide any significant difference between PPT in patients with primary and previous surgery. The overall assessment of the results provided a tendency that patients with previous surgery experience more severe pain.  Orthopaedic Surgery Research Unit Presenting author  Sten Rasmussen Orthopaedic Surgery Research Unit Research and Innovation Center 15 Sdr. Skovvej DK-9000 Aalborg, Denmark Phone: +45 25 52 04 62 Mail: sten.rasmussen@rn.dk 

Qualitative Assessment of Postoperative Pain and Sensitization Following Primary and Repeated Lumbar Spondylodesis.

http://vbn.aau.dk/files/198547989/EFORT_14_4155_Lumbar_Pain_Poster.pdf

Qualitative Assessment of Postoperative Pain and Sensitization Following Primary and Repeated Lumbar Spondylodesis.

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