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Journal of Spine & NeurosurgeryISSN: 2325-9701

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Research Article, J Spine Neurosurg Vol: 5 Issue: 5

K2M Mesa versus Small Stature Systems in Degenerative Lumbar Spondylolisthesis: A Noninferiority, Two Years Followup Trial

Sassi M1, Lavanga V2*, Spada A1, Pascale V1, Boria P3 and Pascale W1
1Divisione Ginocchio II e chirurgia artroscopica, IRCCS Galeazzi Orthopaedic Institute, Milan, Italy
2Clinica Ortopedica, Irccs Galeazzi Milano, Italy
3SGPB Medicina Occupazionale, Milan, Italy
Corresponding author : Dr. Vito Lavanga
Clinica Ortopedica (A), IRCCS Galeazzi Orthopaedic Institute, Milan, Italy
Tel: +39 392 3991 841
E-mail: [email protected]
Received: June 24, 2016 Accepted: July 09, 2016 Published: July 19, 2016
Citation: Sassi M, Lavanga V, Spada A, Pascale V, Boria P and Pascale W (2016) K2M Mesa versus Small Stature Systems in Degenerative Lumbar Spondylolisthesis: A Noninferiority, Two Years Followup Trial. J Spine Neurosurg 5:5. doi: 10.4172/2325-9701.1000234

Abstract

Objectives: To assess the no inferiority of K2M Mesa Small Stature versus K2M Mesa System for degenerative lumbar spondylolisthesis (DS). To assess pros and cons of K2M Mesa Small Stature System vs K2M Mesa System to treat degenerative lumbar spondylolisthesis. To assess evolutions of symptoms after surgery using a lower profile screws and rods system for lumbar arthrodesis generally adopted in pediatric patients. Methods: Seventy-one (71) patients were evaluated during a 24 months follow-up period. Oswestry Disability Index (ODI) plus Economic and Functional PROLO grades and VAS scores were obtained using a webbased questionnaire. We investigated ODI plus Economic and Functional PROLO grades and VAS scores on a series of patients treated surgically for degenerative lumbar spondylolisthesis with a 24 months follow-up. 40 patients were treated with K2M Mesa Small Stature System and 31 patients with K2M Mesa System. All surgical operation were performed by the same surgeon (SM) using CT based computer assisted surgical navigation. No statistical difference was noticed among the two groups. K2M Mesa Small Stature System is lower in profile and size than standard Mesa system. Nevertheless it provided comparable follow-up results to K2M Mesa. Results: Variables studied at 6, 12 and 24 months were similar among two groups (p>0,05). Conclusions: Lower profile, lower invasivity Mesa Small Stature System demonstrated safe and reliable for degenerative lumbar spine disease

Keywords: CT lumbar spine surgery; Mesa K2M small stature; Mesa K2M system; Spondylolisthesis; Degenerative lumbar disease; Pedicle screws placement

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