Table 1.
Demographic data on 43 patients
| Group | Patient number | Age (years) | Gender | Diagnosis | Prior surgery | Vertebra resected | Single or two-stage | Operating room time | Estimate blood loss (mL) | Followup (years/months) |
|---|---|---|---|---|---|---|---|---|---|---|
| SS | 12 | 10 | M | Idiopathic | N | L1 | 1 | 590 | 500 | 2 + 2 |
| SS | 17 | 10 | F | Neuromuscular | N | T12, L1 HV | 1 | 490 | 500 | 3 months |
| SS | 28 | 59 | F | Idiopathic | N | T9 | 1 | 541 | 1500 | 1 + 1 |
| SS | 33 | 16 | F | Idiopathic | Y | T9 | 1 | 457 | 500 | 2 |
| SS | 34 | 10 | M | Congenital | N | T12 | 1 | 615 | 650 | 2 |
| SS | 36 | 16 | M | Congenital | N | T3 | 1 | 400 | 550 | 2 + 1 |
| SS | 40 | 18 | M | Idiopathic | N | T9 | 2 | 1100 | 3100 | 1 + 6 |
| Average | 19.8 | 3 F/4 | 599 minutes | 1043 mL | ||||||
| Range | 10–59 | M | 400–1100 minutes | 500–3100 mL | ||||||
| GK | 10 | 18 | F | Congenital | N | T10 | 2 | 355 | 500 | 2 + 5 |
| GK | 15 | 12 | M | Klippel-Feil | Y | C6, C7 | 1 | 480 | 750 | 1 + 6 |
| GK | 21 | 15 | M | Congenital | Y | T12, L1 | 1 | 630 | 600 | 2 + 6 |
| GK | 23 | 73 | M | Chronic fracture | N, vertebroplasty | T9, T10 | 1 | 795 | 3000 | 3 |
| GK | 24 | 47 | F | Chronic fracture | Y | L1 | 1 | 657 | 2500 | 2 + 7 |
| GK | 26 | 13 | F | Syndrome | N | T7 | 1 | 364 | 750 | 2 + 7 |
| GK | 27 | 20 | F | Arthrogryposis | N | T6 | 1 | 405 | 800 | 2 + 2 |
| GK | 29 | 5 | F | Neuromuscular | Y | T4, T5, T6 | 1 | 379 | 500 | 2 + 6 |
| GK | 37 | 14 | M | Congenital | Y | T6, T7 | 1 | 291 | 375 | 2 months |
| GK | 39 | 46 | M | Scheuermann’s | N | T7 | 2 | 660 | 2500 | 1 + 6 |
| GK | 41 | 20 | M | Klippel-Feil | Y | T6 | 1 | 462 | 1000 | 1 + 8 |
| GK | 42 | 27 | F | Syndrome | Y | T6 | 1 | 670 | 650 | 2 |
| Average | 25.8 years | 6 F/6 | 512.3 minutes | 1160 mL | ||||||
| Range | 5–73 years | M | 291–795 minutes | 375–3000 mL | ||||||
| AK | 3 | 23 | F | Postlaminectomy | Y, neuroblastoma resection | L1 | 1 | 477 | 500 | 2 |
| AK | 4 | 6 | F | Congenital | N | L2 | 1 | 333 | 250 | 3 + 8 |
| AK | 5 | 11 | F | Congenital | N | T12 | 1 | 325 | 300 | 2 |
| AK | 6 | 4 | F | Syndrome | N | L2 | 2 | 540 | 1000 | 3 + 4 |
| AK | 7 | 14 | M | Neurofibromatosis | Y | T3, T4 | 1 | 694 | 800 | 4 |
| AK | 9 | 6 | M | Congenital dislocation | Y | T3, T4 | 1 | 559 | 500 | 3 + 4 |
| AK | 11 | 11 | M | Congenital dislocation | Y | T11, T12, L1 | 1 | 486 | 1000 | 2 + 2 |
| AK | 13 | 13 | F | Congenital | Y | L2, L3 | 1 | 652 | 1000 | 2 + 9 |
| AK | 18 | 14 | M | Congenital | N | T10 | 1 | 407 | 800 | 3 |
| AK | 43 | 8 | M | Congenital | Y | L1, L2 | 1 | 547 | 750 | 2 + 3 |
| Average | 11.0 years | 5 F/5 | 502 minutes | 690 mL | ||||||
| Range | 4–23 years | M | 325–694 minutes | 25–1000 mL | ||||||
| KS | 1 | 18 | F | Idiopathic | Y | T9 | 1 | 822 | 1000 | 4 + 6 |
| KS | 2 | 15 | M | Neuromuscular | N | T12-L2 | 1 | 595 | 1000 | 3 + 7 |
| KS | 8 | 14 | F | Idiopathic | Y | T8 | 1 | 561 | 500 | 2 |
| KS | 14 | 20 | M | Idiopathic | Y | T8, T9, T10 | 1 | 796 | 2500 | 2 |
| KS | 16 | 15 | F | Idiopathic | Y | T5 | 1 | 541 | 800 | 2 |
| KS | 19 | 58 | F | Idiopathic | N | T10 | 1 | 644 | 1200 | 3 |
| KS | 20 | 60 | F | Idiopathic | Y | L1 | 1 | 722 | 3000 | 2 + 1 |
| KS | 22 | 8 | M | Neuromuscular | Y | T11 | 1 | 486 | 750 | 1 + 2 |
| KS | 25 | 16 | F | Neuromuscular | Y | T10, T11 | 1 | 605 | 1250 | 7 months |
| KS | 30 | 11 | F | Idiopathic | Y | T9, T10 | 1 | 493 | 800 | 2 |
| KS | 31 | 54 | F | Idiopathic | N | L1 | 2 | 955 | 2000 | 2 + 2 |
| KS | 32 | 17 | M | Idiopathic | Y | T9, T10 | 1 | 658 | 2200 | 2 |
| KS | 35 | 10 | M | Neurofibromatosis | Y | T7, T8, T9 | 1 | 685 | 1000 | 2 |
| KS | 38 | 18 | F | Idiopathic | N | T10, T11 | 2 | 910 | 1300 | 3 months |
| Average | 23.9 years | 9 F/5 | 677 minutes | 1379 mL | ||||||
| Range | 8–60 years | M | 486–955 minutes | 500–3000 mL | ||||||
| Average followup for all patients | 2 + 2 (range, 2 months–4.5 years) |
SS = severe scoliosis; GK = global kyphosis; AK = angular kyphosis; KS = kyphoscoliosis; M = male; F = female; N = no; Y = yes; HV = hemivertebra.