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The Bone & Joint Journal
Vol. 95-B, Issue 5 | Pages 577 - 577
1 May 2013
Villar RN


The Bone & Joint Journal
Vol. 95-B, Issue 4 | Pages 433 - 433
1 Apr 2013
Villar RN


The Bone & Joint Journal
Vol. 95-B, Issue 3 | Pages 289 - 289
1 Mar 2013
Villar RN


The Bone & Joint Journal
Vol. 95-B, Issue 2 | Pages 286 - 286
1 Feb 2013
Villar RN

Ten Have BL, Brouwer RW, van Biezen FC, Verhaar JA. Femoral revision surgery with impaction bone grafting: 31 hips followed prospectively for ten to 15 years. J Bone Joint Surg [Br] 2012;94-B:615-618.


The Bone & Joint Journal
Vol. 95-B, Issue 2 | Pages 145 - 145
1 Feb 2013
Villar RN


The Bone & Joint Journal
Vol. 95-B, Issue 2 | Pages 286 - 286
1 Feb 2013
Villar RN

Pengas IP, Assiotis A, Nash W, Hatcher J, Banks J, McNicholas MJ. Total meniscectomy in adolescents: a 40-year follow-up. J Bone Joint Surg [Br] 2012;94-B:1649-1654.


The Bone & Joint Journal
Vol. 95-B, Issue 1 | Pages 1 - 1
1 Jan 2013
Villar RN


The Journal of Bone & Joint Surgery British Volume
Vol. 94-B, Issue 12 | Pages 1585 - 1585
1 Dec 2012
Villar RN


The Journal of Bone & Joint Surgery British Volume
Vol. 94-B, Issue 11 | Pages 1441 - 1441
1 Nov 2012
Villar RN


The Journal of Bone & Joint Surgery British Volume
Vol. 94-B, Issue 10 | Pages 1297 - 1297
1 Oct 2012
Villar RN


Bone & Joint 360
Vol. 1, Issue 5 | Pages 36 - 36
1 Oct 2012
Villar RN


Bone & Joint 360
Vol. 1, Issue 5 | Pages 1 - 1
1 Oct 2012
Villar RN


Bone & Joint 360
Vol. 1, Issue 4 | Pages 1 - 1
1 Aug 2012
Villar RN


Bone & Joint 360
Vol. 1, Issue 3 | Pages 1 - 1
1 Jun 2012
Villar RN


The Journal of Bone & Joint Surgery British Volume
Vol. 94-B, Issue 4 | Pages 466 - 470
1 Apr 2012
Malviya A Stafford GH Villar RN

The benefit of arthroscopy of the hip in the treatment of femoroacetabular impingement (FAI) in terms of quality of life (QoL) has not been reported. We prospectively collected data on 612 patients (257 women (42%) and 355 men (58%)) with a mean age at the time of surgery of 36.7 years (14 to 75) who underwent arthroscopy of the hip for FAI under the care of a single surgeon. The minimum follow-up was one year (mean 3.2 years (1 to 7)). The responses to the modified Harris hip score were translated using the Rosser Index Matrix in order to provide a QoL score. The mean QoL score increased from 0.946 (-1.486 to 0.995) to 0.974 (0.7 to 1) at one year after surgery (p < 0.001). The mean QoL score in men was significantly higher than in women, both before and one year after surgery (both p < 0.001). However, the mean change in the QoL score was not statistically different between men and women (0.02 (-0.21 to 0.27) and 0.04 (-0.16 to 0.87), respectively; p = 0.12). Linear regression analysis revealed that the significant predictors of a change in QoL score were pre-operative QoL score (p < 0.001) and gender (p = 0.04). The lower the pre-operative score, the higher the gain in QoL post-operatively (ρ = -0.66; p < 0.001). One year after surgery the QoL scores in the 612 patients had improved in 469 (76.6%), remained unchanged in 88 (14.4%) and had deteriorated in 55 (9.0%).


Bone & Joint 360
Vol. 1, Issue 2 | Pages 1 - 1
1 Apr 2012
Villar RN


Bone & Joint 360
Vol. 1, Issue 1 | Pages 1 - 1
1 Feb 2012
Villar RN


The Journal of Bone & Joint Surgery British Volume
Vol. 93-B, Issue 10 | Pages 1300 - 1302
1 Oct 2011
Stafford GH Villar RN

Femoroacetabular impingement is a well-documented cause of hip pain. There is, however, increasing evidence for the presence of a previously unrecognised impingement-type condition around the hip – ischiofemoral impingement. This is caused by abnormal contact between the lesser trochanter of the femur and the ischium, and presents as atypical groin and/or posterior buttock pain. The symptoms are gradual in onset and may be similar to those of iliopsoas tendonitis, hamstring injury or bursitis. The presence of ischiofemoral impingement may be indicated by pain caused by a combination of hip extension, adduction and external rotation. Magnetic resonance imaging demonstrates inflammation and oedema in the ischiofemoral space and quadratus femoris, and is distinct from an acute tear. To date this has only appeared in the specialist orthopaedic literature as a problem that has developed after total hip replacement, not in the unreplaced joint.


The Journal of Bone & Joint Surgery British Volume
Vol. 93-B, Issue 7 | Pages 890 - 896
1 Jul 2011
Bajwa AS Villar RN

Arthroscopy of the native hip is an established diagnostic and therapeutic procedure. Its application in the symptomatic replaced hip is still being explored. We describe the use of arthroscopy of the hip in 24 symptomatic patients following total hip replacement, resurfacing arthroplasty of the hip and partial resurfacing (study group), and compared it with arthroscopy of the native hip in 24 patients (control group). A diagnosis was made or confirmed at arthroscopy in 23 of the study group and a therapeutic arthroscopic intervention resulted in relief of symptoms in ten of these. In a further seven patients it led to revision hip replacement. In contrast, arthroscopy in the control group was diagnostic in all 24 patients and the resulting arthroscopic therapeutic intervention provided symptomatic relief in 21.

The mean operative time in the study group (59.7 minutes (35 to 93)) was less than in the control group (71 minutes (40 to 100), p = 0.04) but the arthroscopic approach was more difficult in the arthroplasty group. We suggest that arthroscopy has a role in the management of patients with a symptomatic arthroplasty when other investigations have failed to provide a diagnosis.


The Journal of Bone & Joint Surgery British Volume
Vol. 92-B, Issue 11 | Pages 1493 - 1497
1 Nov 2010
Simpson JM Villar RN

We review the history and literature of hip resurfacing arthroplasty. Resurfacing and the science behind it continues to evolve. Recent results, particularly from the national arthroplasty registers, have spread disquiet among both surgeons and patients. A hip resurfacing arthroplasty is not a total hip replacement, but should perhaps be seen as a means of delaying it. The time when hip resurfacing is offered to a patient may be different from that for a total hip replacement. The same logic can apply to the timing of revision surgery. Consequently, the comparison of resurfacing with total hip replacement may be a false one. Nevertheless, the need for innovative solutions for young arthroplasty patients is clear. Total hip replacement can be usefully delayed in many of these patients by the use of hip resurfacing arthroplasty.