Table 2.
Preoperative deformities, intraoperative corrections, outcomes and complications of the 22 patients operated with the LCP Paediatric Hip Plate
| ID | Site | Varus/valgus | Ante/retrocurvation | Operation | Postoperative results | Complications |
|---|---|---|---|---|---|---|
| 1 | L | Valgus >160° | Retroversion >20° | Varus 30°, rotation 30° | As planned | |
| 2 | L | Valgus >130–140° | Anatomical | Varus 25°, rotation 10°, extension 15° | As planned | |
| 3 | L | Valgus >130–140° | Anteversion >50–60° | Rotation 30° | As planned | Broken neck screw was detected at implant removal without clinical relevance |
| R | Valgus >130–140° | Anteversion >50–60° | Rotation 30° | As planned | ||
| 4 | L | Valgus >160° | Anteversion >50–60° | Varus 30°, rotation >30°, extension 25° | As planned | |
| 5 | R | Valgus >160° | Anteversion >50–60° | Varus 30°, rotation >30°, extension 15° | As planned | |
| 6 | R | Valgus >160° | Anteversion >60° | Varus 30°, rotation >30°, extension 20° | As planned | |
| 7 | L | Anatomical | Anteversion >50–60° | Rotation 30° | As planned | |
| R | Anatomical | Anteversion >50–60° | Rotation 30° | As planned | ||
| 8 | L | Valgus >150–160° | Anatomical | Varus 30° | As planned | |
| R | Valgus >150–160° | Anatomical | Varus 30° | As planned | ||
| 9 | R | Anatomical | Anatomical | Varus 25° | As planned | |
| 10 | R | Anatomical | Anatomical | Valgus 10° | Less valgus than planned | |
| 11 | R | Varus <100° | Anteversion 10–20° | Valgus >30°a, rotation 15°, extension 10° | As planned | |
| 12 | L | Varus 100–110° | Retroversion >20° | Valgus 15°a, rotation 25° | As planned | Screw loosening, delayed healing, refixation of plate 15 months after initial operation in the same surgery as plate removal on contralateral side |
| R | Varus 100–110° | Retroversion >20° | Valgus 15°a, rotation 25° | As planned | ||
| 13 | L | Anatomical | Anatomical | Varus 20°, rotation 10°, extension 10° | As planned | |
| 14 | R | Anatomical | Anatomical | Anatomical | As planned | |
| 15 | L | Anatomical | Retroversion >10–20° | Rotation 25° | As planned | |
| R | Anatomical | Retroversion >10–20° | Rotation 25° | As planned | Screw loosening from DC hole, reoperation with refixation | |
| 16 | Valgus >150–160° | Anteversion >40–50° | Valgus >30a, rotation 30°, extension 20° | As planned | ||
| R | Valgus >150–160° | Anteversion >40–50° | Valgus >30a, rotation 30°, extension 20° | As planned | ||
| 17 | L | Valgus >160° | Anteversion >40–50° | Varus 30°, rotation 25° | As planned | |
| R | Valgus >160° | Anteversion >40–50° | Varus 30°, rotation 25° | As planned | Delayed healing at 2 months (partial weight-bearing, no surgical intervention) | |
| 18 | R | Varus >100° | Retroversion >10–20° | Valgus >30°a, rotation 10° | As planned | |
| 19 | R | Anatomical | Anteversion >30–40° | Rotation 30° | As planned | |
| 20 | L | Valgus >160° | Anteversion >40–50° | Varus >30°, rotation 30°, extension 20° | As planned | |
| 21 | R | Anatomical | Anatomical | Valgus 10°a | As planned | |
| 22 | L | Valgus >160° | Anteversion >20–30° | Varus >30°, rotation 20° | As planned | Screw loosening detected at implant removal without clinical relevance |
| R | Valgus >160° | Anteversion >20–30° | Varus >30°, rotation 20° | As planned | Screw loosening detected at implant removal without clinical relevance |
aAnalysis of the postoperative X-rays revealed that correction with the valgus plate caused an unwanted medialisation and, therefore, a suboptimal mechanical axis, although the planned correction was achieved and the children had no complaints