Single Event Multilevel Surgery (SEMLS)

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Introduction[edit | edit source]

Single-event multilevel surgery (SEMLS) is a single complex surgical procedure whereby "...correction of all musculoskeletal deformities producing gait abnormalities..." are addressed. Within the procedure, a combination of muscle-tendon lengthening, tendon transfer and rotational osteotomies, as well as joint stabilisations, are performed.[1]

The procedure itself is based on a detailed biomechanical assessment. [1]

Success of the procedure requires intensive post-operative rehabilitation. It must also be realized that post-operatively level of function will most likely decrease, but improve with time and healing.[1][2]

Candidates[edit | edit source]

SEMLS is usually performed on children diagnosed with Cerebral Palsy, with a Gross Motor Function Classification System (GMFCS) of I, II or III. The procedure itself is most commonly performed on candidates with GMFCS level III.[1]

Aim of procedure[edit | edit source]

To produce functional changes in body structures and functions (consider the ICF framework) which will create positive changes to the levels of activities and ultimately participation.[1]

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References[edit | edit source]

  1. 1.0 1.1 1.2 1.3 1.4 Harvey A, Rosenbaum P, Hanna S, Yousefi-Nooraie R, Graham KH. Longitudinal changes in mobility following single-event multilevel surgery in ambulatory children with cerebral palsy. Journal of Rehabilitation Medicine. 2012 Feb 1;44(2):137-43.
  2. Edwards TA, Prescott RJ, Stebbins J, Wright J, Theologis T. What is the functional mobility and quality of life in patients with cerebral palsy following single-event multilevel surgery?. Journal of children's orthopaedics. 2020 Apr;14(2):139-44.