Early complications of the minimally invasive lateral lumbar spine surgery: a 50-case series
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Abstract
Materials and Methods: We conducted a retrospective study in 50 patients that underwent lateral retroperitoneal interbody fusion using a MISS technique between September 2015 and April 2018. The assessed parameters were: demographic, radiological and surgical data, and all the early complications encountered.
Results: A total of 76 cages were used: 5 at L1-L2 level; 33 at L2-L3 level; 34 at L3-L4 level; and 4 at L4-L5 level. Out of the 50 patients, 25 underwent fusion only at 1 level, 24 underwent fusion at 2 levels, and 1 underwent fusion at 3 levels. A total of 21 complications were encountered: 4 major complications, and 17 minor complications. The longest surgical time (90 minutes) and the highest complication rate were observed within cases 1-16 (12 patients). Thereafter, these parameters proportionately decreased until they reached a minimum of 3 complications within cases 34-50.
Conclusions: The main complications occurred in the surgical access, and their incidence decreased as the surgeon's experience increased and as the surgical time shortened.
Level of Evidence: IV
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