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Analysis of Sagittal Spinopelvic Parameters in Achondroplasia.
MedLine Citation:
PMID:  21358483     Owner:  NLM     Status:  Publisher    
ABSTRACT:: Study Design. Prospective radiological analysis of patients with achondroplasia.Objective. To analyze sagittal spinal alignment and pelvic orientation in achondroplasia patients.Summary of Background Data. Knowledge of sagittal spinopelvic parameters is important for the treatment of achondroplasia, because they differ from those of the normal population and can induce pain.Methods: The study and control groups were composed of 32 achondroplasia patients and 24 healthy volunteers, respectively. All underwent lateral radiography of the whole spine including hip joints. The radiographic parameters examined were sacral slope (SS), pelvic tilt (PT), pelvic incidence (PI), S1 overhang (OH), thoracic kyphosis (TK), T10-L2 kyphosis (TLK), lumbar lordosis (LL1, LL2), and sagittal balance (SB). Statistical analysis was performed to identify significant differences between the two groups. In addition, correlations between parameters and symptoms were sought.Results: Sagittal spinopelvic parameters, namely, PT, PI, OH, TK, TLK, LL1 and SB were found to be significantly different in the patient and control groups (P<0.05). In addition, sagittal parameters were found to be related to each other in the patient group (P<0.05), that is, PI was related to SS and PT, and LL was related to TK. Furthermore, in terms of relations between spinal and pelvic parameters, LL was related to SS and PI, and SB was related to SS and PI. Furthermore, LL and TLK were found to be related to pain (P<0.05), whereas no other parameter was found to be related to VAS scores.Conclusion: Sagittal parameters and possible relationships between sagittal parameters and symptoms were found to be significantly different in achondroplasia patients and normal healthy controls. The present study shows that sagittal spinal and pelvic parameters can assist the treatment of spinal disorders in achondroplasia patients.
Jae-Young Hong; Seung-Woo Suh; Hitesh N Modi; Jong-Woong Park; Jung-Ho Park
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-2-24
Journal Detail:
Title:  Spine     Volume:  -     ISSN:  1528-1159     ISO Abbreviation:  -     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-3-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7610646     Medline TA:  Spine (Phila Pa 1976)     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
1 Department of Orthopedics, Korea University Ansan Hospital, Ansan, South Korea. 2 Scoliosis Research Institute, Department of Orthopedics, Korea University Guro Hospital, Seoul, South Korea.
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