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% |