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Table 1 Surgical procedures and postoperative data

From: Treatment of scoliosis in patients affected with Prader-Willi syndrome using various techniques

 

First surgery year

Age at first surgery

Surgery description

Surgery duration

Blood losses during surgery

Hospital stay after surgery

Preop Cobb angle of primary scoliosis

Postop Cobb angle of primary scoliosis

Correction rate

B.S.F.

1998

14 yrs

T4-L4 posterior arthrodesis using hybrid instrumentation with sublaminar wires, hooks and a couple of distally-inserted pedicle screws

3 hrs

1000 ml

10 days

79°

15°

81%

M.S.

1998

10 yrs

T2-L2 posterior arthrodesis using hybrid instrumentation: proximally-inserted hooks and a couple of distally-inserted screws in L1 and L2, as well as 2 DTTs

4 hrs

3000 ml

17 days

65°

Instrumentation removal

-

C.F.

2005

12 yrs

T4-L4 posterior arthrodesis using only titanium pedicle screw instrumentation

6 hrs

1500 ml

9 days

95°

33°

65%

P.L.

2006

11 yrs

T3-L4 growing rod instrumentation using only titanium pedicle screws; final fusion after 18 months

5 hrs

2000 ml

10 days

96°

32°

63%

E.H.J.

2007

15 yrs

T3-L2 posterior arthrodesis using only titanium pedicle screw instrumentation

6 hrs

1000 ml

10 days

75°

35°

53%

O.M.

2007

15 yrs

T5-L3 posterior arthrodesis using only titanium pedicle screw instrumentation

6 hrs

2000 ml

10 days

80°

50°

38%