INTRODUCTION: The modified Moro's classification (MMC) of psoas morphology and oblique corridor (OC) grading were recently proposed. Their reliability needs to be tested. METHODS: T2 weighted lumbar disc level axial-cut MRI images of patients with degenerative spondylosis were distributed to five spine surgeons. The inter and intra-rater reliability of MMC and OC grading were calculated based on their ratings. RESULTS: Based on kappa statistics, we inferred that both MMC and OC grading are reliable measures. CONCLUSION: Both MMC and OC grading, in combination, can be used to predict the feasibility of oblique lumbar interbody fusion and aid in patient selection.
INTRODUCTION: The modified Moro's classification (MMC) of psoas morphology and oblique corridor (OC) grading were recently proposed. Their reliability needs to be tested. METHODS: T2 weighted lumbar disc level axial-cut MRI images of patients with degenerative spondylosis were distributed to five spine surgeons. The inter and intra-rater reliability of MMC and OC grading were calculated based on their ratings. RESULTS: Based on kappa statistics, we inferred that both MMC and OC grading are reliable measures. CONCLUSION: Both MMC and OC grading, in combination, can be used to predict the feasibility of oblique lumbar interbody fusion and aid in patient selection.
Authors: Timothy T Davis; Richard A Hynes; Daniel A Fung; Scott W Spann; Michael MacMillan; Brian Kwon; John Liu; Frank Acosta; Thomas E Drochner Journal: J Neurosurg Spine Date: 2014-09-12