Brain Korea 21 Program for Leading Universities & Students (BK21 PLUS), Veterinary Medicine, Chonbuk National University, Iksan, Republic of Korea
Introduction
Trauma injuries of the pelvis are mostly occurred by car accident which include fracture of ilium, acetabulum, ischium, pubis and pelvic limb, and sacroiliac joint luxation. Sacroiliac joint luxation could be repaired by open reduction technique and closed reduction technique. Usually, bilateral sacroiliac joint luxation was reduced by using two lag screw bilaterally, but it also could be reduced by using trans-iliosacral rod, trans-ilial pinning and one lag fashion screw.
Objectives
Purpose of this study is applying minimally invasive technique to bilateral sacroiliac joint luxation using alternative screw insertion landmark.
Methods
In lateral recumbency, two needles were inserted percutaneously to caudal iliac crest point and caudal acetabulum rim point respectively, under fluoroscopy guide. This is first guideline which cross caudal iliac crest point and caudal acetabulum point. Second guideline is made vertically from the caudal iliac crest point which cross over iliac body. Then, half point of iliac body crossing line is determined as a screw insertion point.
Results
Mean±SD left and right sacroiliac joint reduction percentage were 90.44% (SD±4.44) and 91.22% (SD±4.07) respectively.
Preoperative mean pelvic canal diameter ratio was 1.28 (SD±0.07). Postoperative mean pelvic canal diameter ratio was 1.39 (SD±0.07).
Left mean screw depth/sacral width was 76% (SD±6.46; range 69–87%) and right mean screw depth/sacral width was 76% (SD±5.93; range 69–87%).
Conclusions
Proposed determining screw insertion point technique in this study could be used in bilateral sacroiliac joint luxation as an alternative minimally invasive technique.