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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


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Hallux valgus surgery can result in moderate to severe post-operative pain requiring the use of narcotic medication. The percutaneous distal metatarsal osteotomy is a minimally invasive approach which offers many advantages including minimal scarring, immediate weight bearing and decreased post-operative pain. The goal of this study is to determine whether the use of narcotics can be eliminated using an approach combining multimodal analgesia, ankle block anesthesia and a minimally invasive surgical approach.

Following ethics board approval, a total of 160 ambulatory patients between the ages of 18-70 with BMI ≤ 40 undergoing percutaneous hallux valgus surgery are to be recruited and randomized into Narcotic-free (NF) or Standard (S) groups. To date, 72 patients have been recruited (38 NF and 34 S). The NF group received acetaminophen, naproxen, pregabalin 75mg and 100mg Ralivia (tramadol extended release) before surgery and acetaminophen, naproxen, pregabalin 150mg one dose and Ralivia 100mg BID for five days, as well as a rescue narcotic (hydromorphone, 1mg pills) after surgery. The S group received acetaminophen and naproxen prior to surgery and acetaminophen, naproxen and hydromorphone (1mg pills) post-operatively, our current standard. Visual analog scales (VAS) were used to assess pain and narcotic consumption was recorded at 6, 12, 24, 36, 48, 72 hours and seven days post-operatively. Patients wore a smart watch to record the number of daily steps and sleep hours. A two-sided t-test was used to compare the VAS scores and narcotic consumption.

During the first post-operative week, the NF group consumed in total an average of 6.5 pills while the S group consumed in total an average of 16 pills and this difference was statistically significant (p-value=0.001). Importantly, 19 patients (50%) in the NF group and four patients (12%) in the S group did not consume any narcotics post-operatively.

For the VAS scores at 24, 48, 72 hours and seven days the NF group's average scores were 2.17, 3.17, 2.92, 2.06 respectively and the S group's average scores were 3.97, 4.2, 3.23, 1.97. There was a statistically significant difference between the groups at 24 and 48hours (the NF group scored lower on the VAS) with a p-value of 0.0008 and 0.04 respectively, but this difference is not considered clinically significant as the minimal clinically important difference reported in the literature is a two-point differential. The NF group walked an average of 1985.75 steps/day and slept an average of 8h01 minute/night, while the S group walked an average of 1898.26 steps/day and slept an average of 8h26 minutes/night in the first post-operative week. Hallux valgus remains a common orthopedic foot problem for which surgical treatment results in moderate to severe post-operative pain. This study demonstrates that with the use of multimodal analgesia, ultrasound guided ankle blocks and a percutaneous surgical technique, narcotic requirements decreased post-operatively. The use of long-acting tramadol further decreased the need for narcotic consumption. Despite decreased use of narcotics, this combined novel approach to hallux valgus surgery allows for early mobilization and excellent pain control.


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.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XLI | Pages 97 - 97
1 Sep 2012
Moaaz A Mitchell D
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Proximal Release of Gastrocnemius (PROG) is a procedure which can be performed to treat various disorders of the foot and ankle. Gastrocnemius contracture/tightening is a condition which can lead to many chronic debilitating foot conditions like Metatarsalgia, Hallux Valgus, Plantar Fascitis, Diabetic foot ulcers etc, which in turn can significantly affect patient's quality of life. In this study we present eight cases who presented with forefoot pain, were treated with PROG and showed a complete resolution of their condition. The test used to determine Gastrocnemius contracture is the “SILFVERSKIOLD TEST”. It measures the dorsiflexion (DF) of the foot at the ankle joint (AJ) with knee extended & flexed to 90 degrees. The test is considered positive when DF at the AJ is greater with knee flexed than extended. We studied eight patients who presented to the orthopaedic outpatients between 2005 and 2010 with diverse foot conditions and having relative equinism. Six out of eight patients suffered from forefoot pain, out of which three had associated diabetic neuropathy and one out of these three had a diabetic foot ulcer. One was in association with arthritis of Talonavicular & Transmetatarsal joint, another had callosity under the head of second metatarsal. One patient had claw toes with associated Rheumatoid Arthritis. One of our patients presented with spasticity in his left calf, severe Hallux Valgus & dislocated MTPJ. He had an unsuccessful Strayer procedure on the same leg in the past. The final case had Achilles tendonitis & spurs. A finding common to all of them pre operatively was a positive Silfverskiold test, all having ZERO degree DF at the AJ with knee extended. Surgical release of the aponeurotic head of gastrocnemius was performed in prone position through a transverse incision. A cam walker was used for two weeks in those patients who were permitted to weight-bear, else a plaster for two weeks. No surgical complications occurred. Success was measured both in returning the ability to dorsiflex and resolution of related condition. DF in extension improved from an average of zero to 16(sixteen) degrees. Seven out of eight patients(including the patient with planter ulcer)had resolution of associated condition. One failure was a patient who continued to experience neuropathic pain. None of the patients complained of any weakness as a result of release. PROG is a straightforward procedure and should be considered in patients where gastrocnemius tightening is likely to be the contributing factor. This seems to improve the success of related procedures


Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_13 | Pages 2 - 2
1 Nov 2019
Kannan S Bennett A Chong H Hilley A Kakwani R Bhatia M
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First Metatarsophalangeal joint fusion has been successfully used to treat Hallux rigidus. We have attempted to evaluate commonly used methods of fixation and joint preparation. To the best of our knowledge, this is the single largest comparative study on first MTPJ fusion. We aimed to evaluate the radiological union and revision rates. We included 409 consecutive MTPJ fusions performed in 385 patients. We collected demographic, comorbidities and complication data. We evaluated the radiographs for the status of the union. Logistic regression was used to calculate the Odds ratio (OR) of non-union for the collected variables. Our union rate was 91.4% (34/409). 29.4% of our non-unions were symptomatic (10/34). Hallux valgus showed a statistically significant relation to non-union (Odds ratio 9.33, p-value 0.017). Other potential contributing factors like sex (OR1.9, p-value 0.44), diabetes (OR 0, p-value 0.99), steroid use (OR 2.07, p-value 0.44), inflammatory arthritis (OR 0, p-value 0.99) and smoking (OR 2.69, p-value 0.34) did not attain statistical significance. Further, the methods of fixation like solid screws (OR 0, p-value 0.99), plate (OR 3.6, p-value 0.187) or cannulated screws (OR 0.09, p-value 0.06) showed no correlation with non-union. We compared two techniques of joint preparation and found no significant difference in union rates (Chi-Square 1.0426, p-value 0.30). Our crude cost comparison showed the average saving to the trust per year could be 33,442.50£ by choosing screws over plate. Only Hallux Valgus had a statistically significant relation to non-union. Solid screw could be economically the most viable option and a valid alternative


Introduction. Despite the multiple patho-aetiological basis of Hallux valgus (HV), corrective osteotomy is a common and globally performed orthopaedic procedure. Over-correction of the inter-metatarsal angle (IMA), however, is not without consequence. Through increased joint pressures, over-correction may predispose to joint degeneration. Hypothesizing that over-correction leads to an increase in intra-articular joint pressures, we constructed a mechanical simulation of the 1. st. metatarsal-phalangeal joint. Methods. The vector forces of Flexor Hallucis Longus, Extensor Hallucis Longus, Extensor Hallucis Brevis and Adductor Hallucis, acting upon the 1. st. proximal phalanx were simulated with tensioned weighted rope. A Foley catheter balloon inflated to 1.5ml, simulated intra-articular distractive vector forces. The joint was freely mobile. At 5° IMA intervals from 10° valgus to 15° varus, intrarticular pressures were recorded using a contact pressure (Graseby™, Hertfordshire, UK) transducer attached to a calibrated manometer (Digitech Instruments™, Ulhasnagar, India). At each angle, measurements were repeated five times with removal and recalibration of the pressure monitor after each measurement. Results. A decline and subsequent increase in mean pressure was observed at each 5° interval from 10°valgus to neutral and then to 15° varus (mean±s.d.; 48.02±5.67, 24.72±1.01, 12.34±0.84, 18.96±2.46, 32.88±5.06, 42.92±4.99 milibar for 10°, 5° valgus, neutral, 5°, 10°and 15° varus IMA). One-way analysis of variance with post-hoc Tukey multiple comparison test revealed a significant increase in pressure from neutral and 5° valgus to 10° and 15° varus (p< 0.05). [First Metatarsal Phalangreal joint pressures]. Conclusion. This is the first description demonstrating increases in intrarticular pressures as the IMA tended from 5° to 15° varus, replicating inatrogenic Hallux Varus iatrogenically produced through osteotomy and over-correction of the IMA. Over-correction and increased intrarticular joint pressure may have an aetiological basis to post-operative 1. st. MTPJ degeneration. Over-correction is not a benign entity requiring consideration in Hallux Valgus corrective osteotomy