KMID : 1040920220070010125
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Journal of Minimally Invasive Spine Surgery and Technique 2022 Volume.7 No. 1 p.125 ~ p.131
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Do Patient Expectations Represent a More Important Clinical Difference? A Study of Surgical Outcomes in the Cervical Spine
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Lynch Conor P.
Cha Elliot D. K. Jacob Kevin C. Patel Madhav R. Geoghegan Cara E. Vanjani Nisheka N. Pawlowski Hanna Prabhu Michael C. Singh Kern
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Abstract
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Objective: This study aims to compare the impact of achieving an MCID or meeting preoperative expectations on patient satisfaction following cervical spine procedures.
Methods: A surgical database was retrospectively reviewed for cervical spine surgery patients from 2016 to 2020. Inclusion criteria were primary or revision, single- or multilevel cervical disc arthroplasty or anterior cervical discectomy and fusions (ACDF). Visual analogue scale (VAS) neck and arm pain was assessed preoperatively and postoperatively (6-week, 12-weeks, 6-months, 1-year). Preoperative patient expectation and postoperative satisfaction were recorded. MCID achievement was determined using previously established values. Expectations met and MCID achievement were compared as possible predictors of satisfaction.
Results: One hundred and six cervical spine patients were included. Both meeting expectations and achieving MCID were significant predictors of satisfaction for arm pain at 6-weeks and 12-weeks (all p¡Â0.007). Achieving MCID significantly predicted satisfaction for neck pain at all timepoints (all p¡Â0.007) and meeting expectations predicted satisfaction for neck pain at 6-weeks, 12-weeks, and 1-year (all p¡Â0.003). Comparison of coefficients revealed no significant difference in effect size between meeting expectations and achievement of MCID as predictors of patient satisfaction (all p>0.050).
Conclusion: MCID achievement and meeting expectations were significant predictors of satisfaction for neck pain and short-term arm pain. Both measures may be similarly useful for interpretation of patient outcomes and the optimal choice of metric may depend on practice-specific factors.
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KEYWORD
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Total disc replacement, Minimal clinically important difference, Patient reported outcome measures, Patient satisfaction, Cervical vertebrae
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