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The Bone & Joint Journal
Vol. 98-B, Issue 5 | Pages 679 - 685
1 May 2016
Ryu KJ Suh SW Kim HW Lee DH Yoon Y Hwang JH

Aims

The aim of this study was a quantitative analysis of a surgeon’s learning curve for scoliosis surgery and the relationship between the surgeon’s experience and post-operative outcomes, which has not been previously well described.

Patients and Methods

We have investigated the operating time as a function of the number of patients to determine a specific pattern; we analysed factors affecting the operating time and compared intra- and post-operative outcomes. We analysed 47 consecutive patients undergoing scoliosis surgery performed by a single, non-trained scoliosis surgeon. Operating time was recorded for each of the four parts of the procedures: dissection, placement of pedicle screws, reduction of the deformity and wound closure.


The Bone & Joint Journal
Vol. 98-B, Issue 1 | Pages 137 - 143
1 Jan 2016
Hwang JH Varte L Kim HW Lee DH Park H

The aims of this study were to report functional outcomes of salvage procedures for patients with cerebral palsy (CP) who have chronic dislocation of the hip using validated scoring systems, and to compare the results of three surgical techniques.

We reviewed 37 patients retrospectively. The mean age at the time of surgery was 12.2 years (8 to 22) and the mean follow-up was 56 months (24 to 114). Patients were divided into three groups: 14 who underwent proximal femoral resection arthroplasty (PFRA group 1), ten who underwent subtrochanteric valgus osteotomy (SVO group 2), and 13 who underwent subtrochanteric valgus osteotomy with resection of the femoral head (SVO with FHR group 3). All patients were evaluated using the Caregiver Priorities and Child Health Index of Life with Disabilities (CPCHILD) and the Pediatric Quality of Life Inventory (PedsQL).

Significant improvements occurred in most CPCHILD and PedsQL subsection scores following surgery in all patients, without significant differences between the groups. There were 12 post-operative complications. Less severe complications were seen in group 1 than in groups 2 and 3.

Salvage surgery appears to provide pain relief in patients with CP who have painful chronic dislocation of the hip. The three salvage procedures produced similar results, however, we recommend the use of PFRA as the complications are less severe.

Take home message: Salvage surgery can be of benefit to patients with CP with chronic painful hip dislocation, but should be limited to selected patients considering complications.

Cite this article: Bone Joint J 2016;98-B:137–43.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_VIII | Pages 19 - 19
1 Mar 2012
Yoon TR Park KS Park SJ Kim HW
Full Access

Introduction

The purpose of this study was to evaluate the functional and radiographical mid-term follow-up results of a second generation metal-on-metal cementless total hip arthroplasty for the treatment of osteonecrosis of the femoral head in patients younger than 50 years.

Methods

Twenty eight patients (35 hips) who underwent total hip arthroplasty with second generation metal-on-metal bearings for osteonecrosis of the femoral head at a minimum 5-year follow-up were included in this study. There were 5 women (6 hips) and 23 men (29 hips) who had a mean age of 40 years (range, 23 to 49 years) and a mean follow-up of 7 years. We used a Fitmore (Zimmer) cup and a 28mm Metasul femoral head in all cases. A CLS (Protek AG/Zimmer) femoral stem was used in 30 hips and a Cone prosthesis¯ (Protek AG) was used in 5 hips. Functional results were measured by Harris hip (HHS) and WOMAC scores. Radiographic evaluations were used to assess loosening and osteolysis according to Gruen and Delee and Charnley criteria.


The Journal of Bone & Joint Surgery British Volume
Vol. 89-B, Issue 12 | Pages 1645 - 1649
1 Dec 2007
Joo SY Park KB Kim BR Park HW Kim HW

We describe our experience with the ‘four-in-one’ procedure for habitual dislocation of the patella in five children (six knees). All the patients presented with severe generalised ligamentous laxity and aplasia of the trochlear groove. All had a lateral release, proximal ‘tube’ realignment of the patella, semitendinosus tenodesis and transfer of the patellar tendon. The mean age at the time of the operation was 6.1 years (4.9 to 6.9), and the patients were followed up for a mean of 54.5 months (31 to 66). The clinical results were evaluated using the Kujala score.

There has been no recurrence of dislocation. All the patients have returned to full activities and the parents and children were satisfied with the clinical results. The mean Kujala score was 95.3 (88 to 98). Two patients had marginal skin necrosis which healed after debridement and secondary closure. These early results in this small group have shown that the ‘four-in-one’ procedure is effective in the treatment of obligatory dislocation of the patella in children with severe ligamentous laxity and trochlear aplasia.


The Journal of Bone & Joint Surgery British Volume
Vol. 80-B, Issue 1 | Pages 25 - 29
1 Jan 1998
Kim HW Weinstein SL

We describe two patients with an atypical congenital kyphosis in which a hypoplastic lumbar vertebral body lay in the spinal canal because of short pedicles. There were no defects in the posterior elements, or any apparent instability of the facet joints.

Both patients were treated successfully by anterior fusion to the levels immediately above and below the affected vertebra, and posterior fusion which extended one level more both proximally and distally. This gave progressive correction of the kyphotic deformity by allowing some continued anterior growth at the levels which had been fused posteriorly.