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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