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Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_11 | Pages 18 - 18
4 Jun 2024
Najefi AA Alsafi M Katmeh R Zaveri AK Cullen N Patel S Malhotra K Welck M
Full Access

Introduction. Recurrence after surgical correction of hallux valgus may be related to coronal rotation of the first metatarsal. The scarf osteotomy is a commonly used procedure for correcting hallux valgus but has limited ability to correct rotation. Using weightbearing computed tomography (WBCT), we aimed to measure the coronal rotation of the first metatarsal before and after a scarf osteotomy, and correlate these to clinical outcome scores. Methods. We retrospectively analyzed 16 feet (15 patients) who had a WBCT before and after scarf osteotomy for hallux valgus correction. On both scans, hallux valgus angle (HVA), intermetatarsal angle, and anteroposterior/lateral talus-first metatarsal angle were measured using digitally reconstructed radiographs. Metatarsal pronation (MPA), alpha angle, sesamoid rotation angle and sesamoid position was measured on standardized coronal CT slices. Preoperative and postoperative(12 months) clinical outcome scores(MOxFQ and VAS) were captured. Results. Mean HVA was 28.6±10.1 degrees preoperatively and 12.1±7.7 degrees postoperatively. Mean IMA was 13.7±3.8 degrees preoperatively and 7.5±3.0 degrees postoperatively. Before and after surgery, there were no significant differences in MPA (11.4±7.7 and 11.4±9.9 degrees, respectively; p = 0.75) or alpha angle (10.9±8.0 and 10.7±13.1 degrees, respectively; p = 0.83). There were significant improvements in SRA (26.4±10.2 and 15.7±10.2 degrees, respectively; p = 0.03) and sesamoid position (1.4±1.0 and 0.6±0.6, respectively; p = 0.04) after a scarf osteotomy. There were significant improvements in all outcome scores after surgery. Poorer outcome scores correlated with greater postoperative MPA and alpha angles (r= 0.76 (p = 0.02) and 0.67 (p = 0.03), respectively). Conclusion. A scarf osteotomy does not correct first metatarsal coronal rotation, and worse outcomes are linked to greater metatarsal rotation. Rotation of the metatarsal needs to be measured and considered when planning hallux valgus surgery. Further work is needed to compare postoperative outcomes with rotational osteotomies and modified Lapidus procedures when addressing rotation


Bone & Joint 360
Vol. 11, Issue 1 | Pages 24 - 27
1 Feb 2022


Bone & Joint 360
Vol. 10, Issue 6 | Pages 21 - 24
1 Dec 2021


Bone & Joint 360
Vol. 9, Issue 6 | Pages 22 - 27
1 Dec 2020


Bone & Joint Open
Vol. 1, Issue 8 | Pages 450 - 456
1 Aug 2020
Zahra W Dixon JW Mirtorabi N Rolton DJ Tayton ER Hale PC Fisher WJ Barnes RJ Tunstill SA Iyer S Pollard TCB

Aims

To evaluate safety outcomes and patient satisfaction of the re-introduction of elective orthopaedic surgery on ‘green’ (non-COVID-19) sites during the COVID-19 pandemic.

Methods

A strategy consisting of phased relaxation of clinical comorbidity criteria was developed. Patients from the orthopaedic waiting list were selected according to these criteria and observed recommended preoperative isolation protocols. Surgery was performed at green sites (two local private hospitals) under the COVID-19 NHS contract. The first 100 consecutive patients that met the Phase 1 criteria and underwent surgery were included. In hospital and postoperative complications with specific enquiry as to development of COVID-19 symptoms or need and outcome for COVID-19 testing at 14 days and six weeks was recorded. Patient satisfaction was surveyed at 14 days postoperatively.


Bone & Joint 360
Vol. 8, Issue 6 | Pages 20 - 22
1 Dec 2019


Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_13 | Pages 3 - 3
1 Nov 2019
Papachristos IV Dalal RB Rachha R
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Short scarf osteotomy (SSO) retains the versatility of standard scarf in treating moderate and severe hallux valgus deformity with the added benefit of less invasiveness translated into less soft-tissue stripping, reduced exposure, less metalwork, less operative time and reduced cost. We present our medium-term clinical, radiographic and patient satisfaction results. All patients who underwent SSO between January 2015 and December 2017 were eligible (98). Exclusion criteria were: follow up less than a year, additional 1st ray procedures, inflammatory arthropathy, infection, peripheral vascular disease and hallux rigidus. Eighty-four patients (94 feet) were included: 80 females / 4 males with average age of 51-year-old (24–81). Minimum follow up was 12 months (12–28). Weight-bearing x-rays and AOFAS score were compared pre- and postoperatively. Non-parametric Mann-Whitney U test assessed statistical significance of our results. Hallux valgus angle (HVA) improved from preoperative mean of 30.8° (17.4°–46.8°) to 12° (4°–30°) postoperatively (p=0.0001). Intermetatarsal angle (IMA) improved from preoperative mean of 15.1° (10.3°–21.1°) to 7.1° (4°–15.1°) postoperatively (p=0.0001). Average sesamoid coverage according to Reynold's tibial sesamoid position improved from average grade 2.18 (1–3) to 0.57 (0–2) (p=0.0001). Average AOFAS score improved from 51.26 (32–88) to 91.1 (72–100) (p=0.0001). Ninety percent of patients were satisfied and 83% wound recommend the surgery. No troughing phenomenon or fractures. Four overcorrections were found 3 of which did not require surgery. One recurrence at 18 months was treated with standard scarf. We believe that this technique offers a safer, quicker and equally versatile way of dealing with Hallux Valgus


Bone & Joint 360
Vol. 8, Issue 1 | Pages 19 - 20
1 Feb 2019


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_21 | Pages 16 - 16
1 Dec 2017
Bagshaw O Faroug R Conway L Balleste J
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This paper tests the null hypothesis that there is no difference in recurrence for mild and moderate hallux valgus treated with Scarf osteotomy in the presence of a disrupted Meary's line compared to an intact line. At a minimum of 3 months follow up we retrospectively analysed radiographs, theatre and clinic notes of 74 consecutive patients treated with Scarf osteotomy for mild and moderate hallux valgus at a single centre. The patients were divided into Group A (n=30) – patients who on pre-operative weight bearing radiographs had a disrupted Meary's line, and Group B (n=44) – those with a normal Meary's line on pre-operative weight bearing radiographs. Our results demonstrate a statistically significant higher recurrence in group A compared to Group B with an odds ratio of 5.2 p = 0.006 [95% CI 1.6–6]. The association between a disrupted Meary's line and increased risk of recurrence for Scarf osteotomy remains valid and strengthened to an odds ratio of 7.1 p = 0.015 [95% CI 1.46 −34.4] when adjusted for confounding variables of age, sex and pre-operative IMA. On this basis we reject the Null hypothesis. In group A two out of 30 patients required revision surgery whilst none of the 44 patients in group B needed revision. In Group A the degree of IMA correction achieved equalled 8.1 degrees with a pre and post IMA of 16.0 and 7.9 degrees respectively. For Group B the degree of correction was 8.0 degrees with a pre and post IMA of 14.3 and 6.3 degrees respectively. Eight complications were reported in Group A and 9 in Group B. Our results demonstrate a statistically significant increased risk of recurrence when scarf osteotomy is performed for mild and moderate hallux valgus in the presence of a disrupted Meary's line


Bone & Joint 360
Vol. 5, Issue 5 | Pages 17 - 19
1 Oct 2016


The Bone & Joint Journal
Vol. 98-B, Issue 9 | Pages 1202 - 1207
1 Sep 2016
Jeyaseelan L Chandrashekar S Mulligan A Bosman HA Watson AJS

Aims

The mainstay of surgical correction of hallux valgus is first metatarsal osteotomy, either proximally or distally. We present a technique of combining a distal chevron osteotomy with a proximal opening wedge osteotomy, for the correction of moderate to severe hallux valgus.

Patients and Methods

We reviewed 45 patients (49 feet) who had undergone double osteotomy. Outcome was assessed using the American Orthopaedic Foot and Ankle Society (AOFAS) and the Short Form (SF) -36 Health Survey scores. Radiological measurements were undertaken to assess the correction.

The mean age of the patients was 60.8 years (44.2 to 75.3). The mean follow-up was 35.4 months (24 to 51).


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_13 | Pages 8 - 8
1 Jun 2016
Glover A Srinivas S Doorkgant A Kazmi N Hicks M Ballester JS
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Recent Department of Health guidelines have recommended that bunion surgery should be performed as a day case in a bid to reduce hospital costs, yet concurrently improving patient outcomes. Following an audit in 2012/3, we implemented a number of measures in a bid to improve the rates of day case first ray surgery. In this paper, we look to see if these measures were effective in reducing the length of stay in first ray surgery. We performed a prospective case note review of all patients undergoing first ray surgery between 01/01/2012 and 01/02/2013, and found the rates of same day discharge in this group to be lower than expected at just 24.19%. We recognised that the most commonly cited reasons for delayed discharge were that patients not being assessed by physiotherapy, and were unable to have their take home medication (TTO's) dispensed as pharmacy had closed. To address this, we implemented a pre-operative therapy led foot school, and organised ward analgesia packs which may be dispensed by ward staff, thus bypassing the need for pharmacy altogether. Together, we coined the term “care package” for these measures. We then performed a post implementation audit between 01/01/2014 to 01/01/2015 to ascertain if these measures had been effective. We identified 62 first ray procedures in the preliminary audit, with an average age of 50.5 years (range 17–78 years) and a M:F ratio of 1:5. The most commonly performed procedures were Scarf osteotomy, 1st MTPJ fusion, and distal Chevron osteotomy. We compared this to 63 first ray procedures post implementation of the care package. The average age was 55.3 years (range 15–78 years) and the M:F ratio was 1:2.5, and there was a similar distribution in terms of specific procedures. We found the length of stay had reduced from 1.00 to 0.65 days (p= 0.0363), and the rate of same day discharge had increased from 24.6% to 44.6% (p= 0.0310). We also noted that St Helens Hospital (SHH), the dedicated day case surgery unit, had a significantly increased rate of same day discharge than Whiston Hospital (WH- the main hospital) at 87.5% and 28.89% respectively (p= 0.0002). Preoperative physiotherapy assessment is an important tool in reducing length of stay for first ray surgery. The use ward analgesia packs has a synergistic effecting in increasing day case first ray surgery. We therefore commend its use to other centers. Additionally, we have shown dedicated day case surgery units are more effective at achieving same day discharge than general hospitals


The Bone & Joint Journal
Vol. 98-B, Issue 5 | Pages 641 - 646
1 May 2016
Ballas R Edouard P Philippot R Farizon F Delangle F Peyrot N

Aims. The purpose of this study was to analyse the biomechanics of walking, through the ground reaction forces (GRF) measured, after first metatarsal osteotomy or metatarsophalangeal joint (MTP) arthrodesis. Patients and Methods. A total of 19 patients underwent a Scarf osteotomy (50.3 years, standard deviation (. sd. ) 12.3) and 18 underwent an arthrodesis (56.2 years,. sd. 6.5). Clinical and radiographical data as well as the American Orthopaedic Foot and Ankle Society (AOFAS) scores were determined. GRF were measured using an instrumented treadmill. A two-way model of analysis of variance (ANOVA) was used to determine the effects of surgery on biomechanical parameters of walking, particularly propulsion. Results. Epidemiological, radiographical and clinical data were comparable in the two groups and better restoration of propulsive function was found after osteotomy as shown by ANOVA (two way: surgery × foot) with a surgery effect on vertical forces (p < 0.01) and a foot effect on anteroposterior impulse (p = 0.01). Conclusion. Patients who underwent Scarf osteotomy had a gait pattern similar to that of their non-operated foot, whereas those who underwent arthrodesis of the first (metatarsophalangeal) MTP joint did not totally recover the propulsive forces of the forefoot. Take home message: The main findings of this study were that after surgical correction for hallux valgus, patients who underwent scarf osteotomy had a gait pattern similar to that of their non-operated foot in terms of forefoot propulsive forces (Fz3, Iy2), whereas those who underwent arthrodesis of the first MTP joint had not. Cite this article: Bone Joint J 2016;98-B:641–6


The Bone & Joint Journal
Vol. 97-B, Issue 12 | Pages 1645 - 1650
1 Dec 2015
Chaudier P Bourdin M Gauthier J Fessy MH Besse JL

While many forefoot procedures may be performed as a day case, there are no specific guidelines as to which procedures are suitable. This study assessed the early post-operative pain after forefoot surgery performed a day case, compared with conventional inpatient management.

A total of 317 consecutive operations performed by a single surgeon were included in the study. Those eligible according to the criteria of the French Society of Anaesthesia (SFAR) were managed as day cases (127; 40%), while the remainder were managed as inpatients.

The groups were comparable in terms of gender, body mass index and smoking status, although the mean age of the inpatients was higher (p < 0.001) and they had higher mean American Society of Anaesthesiologists scores (p = 0.002). The most severe daily pain was on the first post-operative day, but the levels of pain were similar in the two groups; (4.2/10, sd 2.5 for day cases, 4.4/10, sd 2.4 for inpatients; p = 0.53). Overall, 28 (9%) of patients who had their surgery as a day case and 34 (11%) of inpatients reported extreme pain (≥ 8/10). There were more day case patients rather than inpatients that declared their pain disappeared seven days after the surgery (p = 0.02). One day-case patient with excessive bleeding was admitted post-operatively.

Apart from the most complicated cases, forefoot surgery can safely be performed as a day case without an increased risk of pain, or complications compared with management as an inpatient.

Cite this article: Bone Joint J 2015;97-B:1645–50.


The Bone & Joint Journal
Vol. 97-B, Issue 2 | Pages 208 - 214
1 Feb 2015
Chong A Nazarian N Chandrananth J Tacey M Shepherd D Tran P

This study sought to determine the medium-term patient-reported and radiographic outcomes in patients undergoing surgery for hallux valgus. A total of 118 patients (162 feet) underwent surgery for hallux valgus between January 2008 and June 2009. The Manchester-Oxford Foot Questionnaire (MOXFQ), a validated tool for the assessment of outcome after surgery for hallux valgus, was used and patient satisfaction was sought. The medical records and radiographs were reviewed retrospectively. At a mean of 5.2 years (4.7 to 6.0) post-operatively, the median combined MOXFQ score was 7.8 (IQR:0 to 32.8). The median domain scores for pain, walking/standing, and social interaction were 10 (IQR: 0 to 45), 0 (IQR: 0 to 32.1) and 6.3 (IQR: 0 to 25) respectively. A total of 119 procedures (73.9%, in 90 patients) were reported as satisfactory but only 53 feet (32.7%, in 43 patients) were completely asymptomatic. The mean (SD) correction of hallux valgus, intermetatarsal, and distal metatarsal articular angles was 18.5° (8.8°), 5.7° (3.3°), and 16.6° (8.8°), respectively. Multivariable regression analysis identified that an American Association of Anesthesiologists grade of > 1 (Incident Rate Ratio (IRR) = 1.67, p-value = 0.011) and recurrent deformity (IRR = 1.77, p-value = 0.003) were associated with significantly worse MOXFQ scores. No correlation was found between the severity of deformity, the type, or degree of surgical correction and the outcome. When using a validated outcome score for the assessment of outcome after surgery for hallux valgus, the long-term results are worse than expected when compared with the short- and mid-term outcomes, with 25.9% of patients dissatisfied at a mean follow-up of 5.2 years.

Cite this article: Bone Joint J 2015;97-B:208–14.


Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_2 | Pages 17 - 17
1 Jan 2014
Perera A Beddard L Marudunayagam A
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Background:. The Chevron osteotomy is straightforward, requires less dissection and allows earlier rehabilitation than some other osteotomies. However it is generally perceived as unsuitable for severe deformities even though a 2012 meta-analysis and an earlier RCT failed to show any advantage of the scarf over the chevron. We aim to assess the correctability of severe HV comparing the correction, the clinical outcomes and complications of the Chevron osteotomy with other techniques employed in a consecutive series. Methodology:. We reviewed a series of 92 cases of severe hallux valgus (IMA >17° regardless of the HVA). The follow-up period varied from 1 to 4 years. Pre-operative x-rays and final post-operative weight-bearing x-rays were performed. Outcome scores (MOXFQ and AOFAS), IMA, HVA and foot width were collected. Complications were monitored. Results:. There were 97 cases of severe hallux valgus performed during the study period, 55 were treated with a large-shift modified Chevron osteotomy, 42 with a number of other techniques that included Ludloff, Basal or Scarf osteotomy and also fusion in the form of a Lapidus or 1. st. MTP. The average pre-operative measurements were IMA of 19.1°, HVA of 40°, osseous forefoot width of 93.2 mm and the forefoot: hindfoot ratio was 3.11. Post-operatively the measurements were IMA of 9.2 and HVA of 9.76, the osseous forefoot width was 82.8 mm and the forefoot: hindfoot ratio was 2.57. Radiological outcomes for the Chevrons were similar to the alternative techniques though the rate of recovery was better. There is an increase in the rate of screw removal after a large shift Chevron osteotomy, reasons for this are discussed. Conclusion:. The Chevron osteotomy is successful in the management of severe hallux valgus. It has the advantage of being a stable osteotomy that permits immediate weight-bearing and movement of the MTP joint


Bone & Joint 360
Vol. 2, Issue 5 | Pages 39 - 41
1 Oct 2013

The October 2013 Research Roundup360 looks at: Orthopaedics: a dangerous profession?; Freezing and biomarkers for bone turnover; Herniation or degeneration first?; MARS MRI and metallosis; Programmed cell death in partial thickness cuff tears; Lead glasses for trauma surgery?; Smoking inhibits bone healing; Optimising polyethylene microstructure.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_26 | Pages 24 - 24
1 Jun 2013
Matthews E Aiyenuro O Hodkinson S Lasrado I Cannon L Jowett A
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Hallux valgus is a common condition often leading to significant symptoms. However, its correction has recently been suggested, to be a procedure of limited clinical value. Scarf osteotomy is one of the most commonly performed operations for hallux valgus correction. Although technically demanding, it is powerful in its capacity to correct the hallux valgus deformity and sufficiently robust with internal fixation to allow early weight bearing. We prospectively collected data for consecutive scarf osteotomies between 2008 and 2011. Preoperative and 6 week postoperative assessment was made using radiographic measurements HVA (hallux-valgus angle) and IMA (inter metatarsal angle). We evaluated 130 scarf osteotomies. The mean HVA improved from 29.5 pre-operatively to 12.6 post correction. The mean IMA improved from 12.4 pre-operatively to 8.1 post correction. The AOFAS hallux scores improved from an average of 55 pre op to 79 post operation. The results suggest that hallux valgus correction does have clinical value and that scarf osteotomy is a reproducible procedure, with a generally good to excellent results in the short term


The Bone & Joint Journal
Vol. 95-B, Issue 5 | Pages 649 - 656
1 May 2013
Park C Jang J Lee S Lee W

The purpose of this study was to compare the results of proximal and distal chevron osteotomy in patients with moderate hallux valgus.

We retrospectively reviewed 34 proximal chevron osteotomies without lateral release (PCO group) and 33 distal chevron osteotomies (DCO group) performed sequentially by a single surgeon. There were no differences between the groups with regard to age, length of follow-up, demographic or radiological parameters. The clinical results were assessed using the American Orthopaedic Foot and Ankle Society (AOFAS) scoring system and the radiological results were compared between the groups.

At a mean follow-up of 14.6 months (14 to 32) there were no significant differences in the mean AOFAS scores between the DCO and PCO groups (93.9 (82 to 100) and 91.8 (77 to 100), respectively; p = 0.176). The mean hallux valgus angle, intermetatarsal angle and sesamoid position were the same in both groups. The metatarsal declination angle decreased significantly in the PCO group (p = 0.005) and the mean shortening of the first metatarsal was significantly greater in the DCO group (p < 0.001).

We conclude that the clinical and radiological outcome after a DCO is comparable with that after a PCO; longer follow-up would be needed to assess the risk of avascular necrosis.

Cite this article: Bone Joint J 2013;95-B:649–56.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_21 | Pages 29 - 29
1 Apr 2013
Rose B Bowman N Edwards H Skyrme A
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Introduction. Hallux valgus surgical correction has a variable but significant risk of recurrence. Symptoms result from an iatrogenic first brachymetatarsia following the index surgical procedure. First metatarsal shortening has been shown to correlate with the onset of transfer metatarsalgia. We describe the use of the scarf osteotomy to both correct the recurrent deformity and lengthen the shortened first metatarsal. Methods. 36 lengthening scarf osteotomies were undertaken in 31 patients. Clinical (AOFAS and SF12 scores) and radiographic measures (IMA, HVA) were taken pre- and post-operatively. The maximum theoretical lengthening was 10mm, to prevent first MTP joint stiffness post-operatively. The actual lengthening was determined and measured intra-operatively. Results. There were 28 female and three male patients, with mean age at presentation 53.4 years. The mean follow-up was 3.9 years. Four cases were lost to follow-up. The mean first metatarsal lengthening achieved was 4.9mm (range 1–8mm). All of the osteotomies united without complication. The mean IMA reduction was 4.0° (p<0.001) and HVA 13.0° (p<0.001). The mean AOFAS score increase was 33.8 (p<0.001). There was no correlation between change in IMA and AOFAS score (r=−0.13) or between improvement in HVA and AOFAS score (r=−0.02). There was a positive trend but no correlation (r=0.28) between amount of metatarsal lengthening and change in AOFAS score. The inter- and intra-observer correlation was excellent. The SF12 physical sub-domains improved more than the mental sub-domains. Conclusion. We describe the largest series of lengthening scarf osteotomies for recurrent hallux valgus and symptomatic iatrogenic first brachymetatarsia. The significant improvement in both clinical and radiographical measures suggests the procedure is successful, with a low complication rate. Lengthening did not reduce the MTPJ range of movement. We hypothesise that restoring both the length and alignment enables greater weight-bearing under the first metatarsal head, reducing biomechanical transfer metatarsalgia