Screw length in the guided growth method

Raluy-Collado, David; Sanpera, Ignacio; Frontera-Juan, Guillem; Ramos-Asensio, Rafael; Tejada-Gavela, Silvia

doi:10.1007/s00402-012-1615-3

Cited by 12 publications

(9 citation statements)

References 16 publications

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“…Several studies have tried to determine whether rigid or modular implants are more efficient at producing deformity in animal studies 13,14,16,17 or in correcting deformity in human retrospective studies. 15,18 Human studies where deformity is corrected are impossible to completely compare the benefit of each implant as a result of differences in growth plate disease, magnitude of deformity, body habitus, and differences in individual growth rates.…”

Section: Discussionmentioning

confidence: 99%

“…[13][14][15][16][17][18] Human studies would be ideal for comparison, yet no prospective trials could be possible as it would be difficult to control for variables such as individual patient growth rates; variations in limb deformity (location and magnitude); the disease process that caused deformity; and differences in surgical methodology. Studies in smaller animals usually evaluate the deformity produced in only 1 plane and fail to account for the fact that guided growth produces a deformity that may not be fully characterized by a single radiograph.…”

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confidence: 99%

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Growth Retardation (Hemiepiphyseal Stapling) and Growth Acceleration (Periosteal Resection) as a Method to Improve Guided Growth in a Lamb Model

Noonan

Halanski

Leiferman

et al. 2016

Journal of Pediatric Orthopaedics

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Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

Growth Retardation (Hemiepiphyseal Stapling) and Growth Acceleration (Periosteal Resection) as a Method to Improve Guided Growth in a Lamb Model

Noonan

Halanski

Leiferman

et al. 2016

Journal of Pediatric Orthopaedics

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“…A sham group was not used, as in previous studies of hemiepiphysiodesis no influence had been revealed. 18,20 The surgery comprised a medial proximal tibial hemiepiphysiodesis using a twohole titanium plate and screws (Normed, Tuttlingen, Germany). The device was left in place for three weeks and then removed.…”

Section: Methodsmentioning

confidence: 99%

Rebound growth after hemiepiphysiodesis

Corominas-Frances

Sanpera

Saus-Sarrias

et al. 2015

The Bone & Joint Journal

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Rebound growth after hemiepiphysiodesis may be a normal event, but little is known about its causes, incidence or factors related to its intensity. The aim of this study was to evaluate rebound growth under controlled experimental conditions. A total of 22 six-week-old rabbits underwent a medial proximal tibial hemiepiphysiodesis using a two-hole plate and screws. Temporal growth plate arrest was maintained for three weeks, and animals were killed at intervals ranging between three days and three weeks after removal of the device. The radiological angulation of the proximal tibia was studied at weekly intervals during and after hemiepiphysiodesis. A histological study of the retrieved proximal physis of the tibia was performed. The mean angulation achieved at three weeks was 34.7° (standard deviation (sd) 3.4), and this remained unchanged for the study period of up to two weeks. By three weeks after removal of the implant the mean angulation had dropped to 28.2° (sd 1.8) (p < 0.001). Histologically, widening of the medial side was noted during the first two weeks. By three weeks this widening had substantially disappeared and the normal columnar structure was virtually re-established. In our rabbit model, rebound was an event of variable incidence and intensity and, when present, did not appear immediately after restoration of growth, but took some time to appear.

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“…To our knowledge, there has only been one report evaluating screw size [9] and there have been no reports on plate size or screw configuration. In this situation, it is important to obtain the maximum possible correction in the shortest amount of time.…”

Section: Discussionmentioning

confidence: 99%

The biomechanics of guided growth

Schoenleber

Iobst²,

Baitner³

et al. 2014

Journal of Pediatric Orthopaedics B

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Guided growth with the eight-plate is a commonly used technique to correct angular limb deformities in children. However, the optimal combination of plate size, screw size, and screw configuration has not been determined. Using osteotomized femoral sawbones and a rail frame, we developed a growth model to examine the effect of these variables at 6-month, 12-month, and 18-month growth increments. The mean annual coronal plane change was 11.3°. Screw size and plate size were not associated with the rate of angular correction. Screw configuration was important, with parallel screws resulting in optimal correction at all time points compared with divergent screws (P<0.05).

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Screw length in the guided growth method

Abstract: The 8-plate has shown to be more efficient in producing angular deformity than staples. However, the length of the screw has showed no role in the 8-plate function.

Cited by 12 publications

References 16 publications

Growth Retardation (Hemiepiphyseal Stapling) and Growth Acceleration (Periosteal Resection) as a Method to Improve Guided Growth in a Lamb Model

Growth Retardation (Hemiepiphyseal Stapling) and Growth Acceleration (Periosteal Resection) as a Method to Improve Guided Growth in a Lamb Model

Rebound growth after hemiepiphysiodesis

The biomechanics of guided growth

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