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Table 1 Clinical Data and surgical information on 16 NF-1 Patients With Early-onset Scoliosis Treated by posterior only fusion or traditional growing rods in our center

From: Comparison between surgical fusion and the growing-rod technique for early-onset neurofibromatosis type-1 dystrophic scoliosis

No Surgical Methods Fusion or involved level Anchor sites(Hooks) Anchor sites nearby the apex level(upper 1/lower 1) Rod diameter(mm) Intraoperative blood loss(ml) Transconnector(numbers) Complications Unplanned surgery
Perioperative complication Alighment complication Implant related
1 PF T3-12 10(4) N 5.5 500 1 urinal infection CP,MC increased 15.3°   
2 PF T6-9 4 N 4.5 400 1   decompensated lumbar curve. 1 screw disolodgement  
3 PF T4-11 8 N 5.5 400 1 intestinal paralysis CP,MC increased 13.4° 2 screws pull out take off the implants of the trouble side.
4 PF T7-11 9 Y 4.5 400 0   CP,MC increased 11.4°,decompensated lumbar curve.   
5 PF T5-11 8 N 5.5 300 0   CP,MC increased 13.8°,decompensated lumbar curve.   
6 PF T2-L1 12(2) N 5.5 3000 2     
7 PF T2-L2 15 N 5.5 700 0     
8 PF T6-L1 11 Y 5.5 400 0 1 superficial infection    
1 GR T2-L2 8 N 5.5 200 0     
2 GR T2-L5 8 N 5.5 250 0    postop 74 mon rod breakage change the rod
3 GR T5-L3 10 Y 4.5 230 0 superficial skin heal delayed after the 2nd extension   1、screw cap loose,rod prominent,(PI 3mon)2、proximal screw pull out(PI 41mon) 1、retensen the screw.2、replace the screw
4 GR T3-L3 8 N 4.5 300 0 intestinal paralysis    
5 GR T3-L1 8 N 4.5 240 0     
6 GR T2-L3 11(3) Y 5.5 260 0   CP,MC increased 15.4°,the upper thoracic curve involved presented a new curve. PI 6mon rod slipped from the apex groove of the apex screws put the rod back with the screw cap covered
7 GR T3-L3 8 N 4.5 200 0     
8 GR T2-L2 8 N 4.5 200 0     
  1. PF posterior only fusion, GR traditional growing rod, CP crankshaft phenomenon, MC Major Curve, Postop postoperative, PI Post the Initial surgery