Article

Traumatic spondyloptosis of L4.

Department of Orthopedics, Kunming General Hospital, Third Military Medical University, Kunming, Yunnan, China.
Spine (impact factor: 2.08). 08/2010; 35(17):E855-9. DOI:10.1097/BRS.0b013e3181d798f2 pp.E855-9
Source: PubMed

ABSTRACT Case report of 2 patients with traumatic L4-L5 spondyloptosis.
To report the diagnosis and treatment of the traumatic L4-L5 spondyloptosis.
Traumatic L4-L5 spondylolisthesis is even rarer than traumatic L5-S1 spondylolisthesis. No case of traumatic L4-L5 spondyloptosis (anterolisthesis of Grade V) has been reported. The injury mechanism and surgery management merit more studies.
Through the posterior approach, both of the 2 patients underwent the decompression and reduction with pedicle screws. One had the posterolateral fusion and the interbody fusion from L4-L5 whereas the other had the posterolateral fusion from L4-S1.
Complete reduction and fusion were achieved. The neurologic symptoms improved after the surgery. At follow-ups of 1 year and 6.5 years, there was no further slippage of the vertebrae. They were satisfied with the treatment outcomes.
Posterior decompression, reduction, internal fixation, and fusion is effective and dependable for traumatic L4-L5 spondyloptosis.

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Keywords

2 patients
 
anterolisthesis
 
Case report
 
Complete reduction
 
decompression
 
dependable
 
injury mechanism
 
interbody fusion
 
neurologic symptoms
 
pedicle screws
 
posterior approach
 
Posterior decompression
 
posterolateral fusion
 
slippage
 
surgery management merit
 
Traumatic L4-L5 spondylolisthesis
 
traumatic L4-L5 spondyloptosis
 
traumatic L5-S1 spondylolisthesis
 
treatment outcomes
 
vertebrae
 

Tian-Hua Zhou