Great toe metatarsophalangeal arthrodesis for hallux valgus deformity in ambulatory adolescents with spastic cerebral palsy

Background  Hallux valgus deformity is a common sequel of spastic cerebral palsy. Methods  Twenty ambulatory patients (24 feet) suffering hallux valgus deformity, with painful forefoot and restricted footwear, secondary to spastic cerebral palsy acquired perinatally, were treated with great toe metatarsophalangeal (MTP) arthrodesis using percutaneous K-wires for fixation. The mean age at the time of surgery was 16.2 years (range 14–18 years). They were retrospectively evaluated for the results after arthrodesis at a mean interval of 3 years and 4 months (range 3–4 years) by physical examination and radiographs. Results  All patients had a stable painless aligned great toe, with <10° valgus, <20° dorsiflexion and neutral rotation after arthrodesis, evidenced by improvement in pain, cosmesis, functional activity, footwear, callosities and hygiene, as well as by significant improvement in the measures of the MTP and the intermetatarsal angles (IMA) by postoperative radiographs. Neither non-union (pseudoarthrosis) nor recurrence of the deformity developed. Complications included superficial wound slough in a single case. Using the modified American Orthopaedic Foot Ankle Society (AOFAS) Hallux Metatarsophalangeal–Interphalangeal Scale, 18 feet (75%) were classified as excellent and six feet (25%) as good. Neither fair nor poor cases were recorded. Conclusion  Hallux valgus deformity in adolescents with spastic cerebral palsy is best treated by great toe MTP arthrodesis to improve segmental foot malalignment and dynamic foot deviation.     

Surgical technique for thumb-in-palm deformity in cerebral palsy

The most common surgical procedure performed by hand surgeons in cerebral palsy for thumb-in-palm deformity is release of the adductor pollicis muscle from the middle metacarpal origin, with additional release of the thenar muscles or flexor pollicis longus, as indicated, to decrease the flexion adduction forces across the first ray. Tendon transfer to augment extension and abduction of the thumb metacarpal will help avoid recurrence, and it commonly includes rerouting of the extensor pollicis longus. Stabilization of the metacarpophalangeal joint might be necessary if hyperextension deformity exists. The assessment of the patient should occur over several visits to determine the correct combination of procedures that will best help the patient achieve a more functional upper extremity or improve hygiene. With appropriate planned procedure, meticulous surgical technique, and adherence to a postoperative rehabilitation regimen, patients can obtain substantial improvement with thumb-in-palm surgical re-positioning.     

Surgical treatment of swan-neck deformity in hemiplegic cerebral palsy

PURPOSE: Previously described surgical treatments for dynamic swan-neck deformity in cerebral palsy are technically difficult and time consuming. Typically only a few fingers could be addressed at one sitting, and postoperative swelling and stiffness were often incurred. An easy procedure of central slip tenotomy is described that allows for multiple fingers to be addressed, with minimal postoperative morbidity. METHODS: Fifteen patients (33 fingers) with hemiplegic cerebral palsy and dynamic swan-neck deformities of their fingers were treated. Only swan-neck deformities of greater than 20 degrees were considered for treatment. Pre- and postoperative measurements of swan-neck deformity were recorded. A central slip tenotomy was performed through a transverse incision proximal to the proximal interphalangeal joint. The joint was pinned in 10 degrees of flexion for 4 weeks, and then active extension was allowed to 10 degrees short of full extension and blocked with an oval-8 splint. Average patient age was 16 years (range 5-44 years). All patients had concurrent procedures performed on the extremity. Average follow-up evaluation was 23 months (+/-12 months). RESULTS: Improvement in dynamic swan-neck deformity averaged 32 degrees . Preoperative swan-neck deformity averaged 38 degrees and postoperative swan-neck deformity averaged 6 degrees . No swan-neck deformity was worse than its preoperative state, and no patient developed boutonniere deformity. No patient lost active or passive flexion after the procedure. All patients would repeat the procedure. CONCLUSION: Central slip tenotomy is a reliable treatment for dynamic swan-neck deformity in cerebral palsy in patients without dynamic metacarpophalangeal flexion deformity. Because of the simplicity of the procedure, it can easily be added to the treatment of the entire upper extremity in cerebral palsy.     

Surgical treatment of the hallux valgus through mini-approach

A mini-invasive surgery implies a diminution of the morbidity of the surgical procedure, which relies on three conditions: not only a reduction of the skin incision, but also a limited dissection applied to the approach and the preparation, and a surgical step resulting in as little bleeding, debris, heat and fibrosis as possible. The recent, rapid and varied evolution of the mini-invasive techniques, concerns all the surgical disciplines, and reflects the technical progress, the very prevailing concern for morbidity risk, competition and fashion phenomena. However, this evolution also attests to the excellence of the surgical techniques. In the surgery of the hallux valgus, we are less focused, on the correction methods, which are now reliable, and our main concern for perfection is centered on the reduction of the approaches. The technique we are reporting is only one of the possible procedures of mini-invasive surgery of the hallux valgus.     

Anatomical factors associated with progression of hallux valgus

BackgroundThe purpose of this study was to clarify the incidence rate and the risk factors for the progression of the hallux valgus deformity.MethodsPatients who had weight-bearing radiographs of the foot taken twice or more, with a ≥2-year interval, were retrospectively analyzed. Progression of the deformity was defined as an increase in the hallux valgus angle of ≥5° during the follow-up. The association of hallux valgus progression with patient characteristics and radiographic measurements at baseline was determined using univariate and multivariate analyses.ResultsTotally, 268 patients (217 women and 51 men; median age, 64 years) were analyzed. An increase in the hallux valgus angle of ≥5° occurred in 44 (17%) patients in a median follow-up of 49 months. Large hallux valgus angle (odds ratio, 1.07) on the dorsoplantar radiograph at baseline were independent risk factors for the progression of the deformity.ConclusionProgression of the hallux valgus deformity occurred in one of six patients. Furthermore, large hallux valgus angle was the risk factor for subsequent deformity progression. Patients with large hallux valgus angle should be informed about the possible progression of the deformity.     

Surgical management of hallux valgus deformity in children with cerebral palsy

Twenty-six cases of hallux valgus deformity, in 16 children with cerebral palsy, were managed with great toe metatarsophalangeal (MTP) arthrodesis. Mean age at the time of surgery was 16 years (range, 10 years and 11 months to 21 years and 11 months), and mean follow-up was 4 years and 11 months (range, 2 years and 1 month to 10 years). Significant improvement in the hallux valgus angle (preoperative, 36.3 degrees; follow-up, 9.6 degrees; p < 0.05), the intermetatarsal angle (preoperative, 12.3 degrees; follow-up, 8.4 degrees; p < 0.05), and lateral metatarsophalangeal angle (preoperative, 4.8 degrees; follow-up, 25.8 degrees; p < 0.05), were achieved and maintained after MTP arthrodesis. Functional outcome was documented by significant improvement in the modified American Orthopaedic Foot and Ankle Society Hallux Metatarsophalangeal-Interphalangeal Scale (preoperative mean score, 46.2; follow-up mean score, 90.9; p < 0.05). Patient/ parent/caregiver satisfaction (as determined by a questionnaire), with improvements in cosmesis, footwear, hygiene, activity, and pain were high, ranging from 81% to 100%. Hallux valgus deformity in children with cerebral palsy is best managed by MTP arthrodesis, in conjunction with other surgical procedures that address segmental foot malalignment and dynamic gait deviations.     

The chevron osteotomy for correction of hallux valgus

Introduction The chevron osteotomy has become widely accepted for correction of mild and moderate hallux valgus deformities. The purpose of this study was to present the evolution of the chevron osteotomy at one institution over a period of 12 years. Methods Between April, 1991 and September, 1992, fifty-two consecutive patients with mild to moderate hallux valgus deformity underwent sixty-six distal chevron osteotomies at our institution. This was followed by 85 patients with 100 feet in the period from 1992 to 1995 and a group of 45 patients with 55 feet from 1994 to 1995. The final patient group included 61 patients with 89 feet operated from 2000 to 2002. Conclusion The chevron osteotomy is a reliable technique to correct hallux valgus deformities. Our recommendation after reviewing the results of the various modifications of the chevron technique revealed that the addition of a lateral release and a screw fixation will lead to the most reliable results.     

Surgical correction of equinus deformity in children with cerebral palsy: a systematic review

Purpose  

Equinus is the most common deformity in cerebral palsy. However, despite the large volume of published studies, there are poor levels of evidence to support surgical intervention. This study was undertaken to examine the current evidence base for the surgical management of equinus deformity in cerebral palsy.     

Off-axis view radiographs for assessing hallux valgus interphalangeus in hallux valgus deformity: A comparison with the traditional anteroposterior standing radiographs

BackgroundThe newly described anteroposterior “off-axis view” (OAV) radiograph might help detect a hallux valgus interphalangeus (HVI) deformity more precisely compared to anteroposterior standing radiographs.MethodsA radiographic assessment of HVI angles was performed using preoperative standing anteroposterior and OAV radiographs for 67 ft. Intra- and interobserver agreement for all angles and their correlation with HV severity were analyzed.ResultsThe proximal-to-distal phalangeal articular angle showed less intra- and interobserver variance (intraclass correlation coefficient: 0.825) than did the other angles. OAV radiographs showed less interobserver reliability than did standing radiographs. HVI was underestimated significantly, by up to 5°, on standing radiographs compared to OAV radiographs (p < 0.001). The mean differences between OAV and standing radiographs were 3.7° and 5.0° for the proximal-to-distal phalangeal articular and hallux interphalangeal angles, respectively, and were more pronounced for moderate-to-severe HV deformities.ConclusionAngular measurements of HVI on traditional anteroposterior standing radiographs are significantly smaller than on OAV radiographs. Furthermore, angular measurements on OAV radiographs are associated with higher interobserver reliability. The most precise angle representing an HVI deformity might be the proximal-to-distal phalangeal articular angle.Clinical RelevanceOur findings may facilitate preoperative decision-making for additional akin osteotomy in HV correction.Level of EvidenceLevel II.     

The chevron bunionectomy for moderate to severe hallux valgus deformity: Effects of procedural factors on hallux valgus correction

BackgroundEffects of procedural factors on chevron bunionectomy outcomes were studied.MethodsIncluded were 109 feet with distal chevron osteotomy and preoperative intermetatarsal angle (IMA) greater than 15 degrees. IMA and hallux valgus angles (HVA), release type, fixation, second-digit procedures, and risk factors were evaluated.ResultsEighty-three percent (91/109 feet) had satisfactory outcomes; nine had moderate pain. From preoperative, IMA improved 7.2 and HVA 20.5 degrees. Risk factors or second-digit procedures had no effect. Lateral release improved IMA (p < 0.01), with no difference between open lateral and transarticular release; 86% percent (64/74) were satisfied with open lateral release compared with 83% (19/23) and 66% (8/12) with no release and transarticular release, respectively. Fixation did not affect outcomes.ConclusionChevron bunionectomy corrected IMA and HVA to normal with few complications. Lateral release increased IMA correction. Transarticular release had lower satisfaction than open lateral release or no release.Level of EvidenceLevel III, retrospective     

拇外翻畸形的评估与手术治疗进展

拇外翻(hallux valgus,HV)畸形是足部常见的一种畸形,主要表现为拇趾外翻及第1跖趾关节半脱位或完全性脱位。随着畸形的进展,会表现出一系列的病理改变,如第1跖骨内收、拇趾外翻、第1跖骨头骨软骨损伤、第1跖趾关节炎、籽骨脱位、拇囊炎、跖籽关节炎、第1跖骨旋转、跖骨头倾斜以及交叉趾、锤状趾和跖痛症等,临床表现为前足疼痛、畸形,影响穿鞋以及功能障碍[1]。保守治疗不能缓解症状或影响日常生活时,应考虑手术治疗。目前报道的治疗拇外翻的术式超过100种[2],虽然手术方式的选择很多,但没有一种术式可以治疗所有的拇外翻畸形。手术治疗的目标是解除疼痛、矫正畸形、改善功能及穿鞋。目前,临床医生大多会根据拇外翻的病理特点选择联合术式,如骨性术式的联合或骨性术式与软组织术式联合。本文主要总结分析了拇外翻畸形的病因、病理特征与评估、矫形原则与常见术式选择、重度复杂性拇外翻畸形、微创技术和常见并发症,并对本期发表的相关文章进行点评。     

The Scarf first metatarsal osteotomy in the correction of hallux valgus deformity

The correction of hallux valgus has been dramatically improved by the scarf 1^st metatarsal osteotomy, which brings great versatility for covering all the indications. Its strong fixation allows an early functional recovery; the long-term follow-up confirms the reliability of this procedure, which can be combined with other osteotomies and soft tissue procedures. However, the surgeon has to determine pre and intraoperatively the correction that has to be applied; this technique is not difficult but has to be performed accurately. This is the interest of this article, which emphasizes the technical features that have to be applied.     

微创治疗拇外翻伴小趾内翻畸形的临床观察

目的:探讨小切口微创截骨矫形治疗拇外翻伴小趾内翻畸形的临床效果。方法:自2013年1月至2016年6月,采用微创小切口截骨矫形治疗168例拇外翻伴小趾内翻畸形患者,其中男7例,女161例;年龄22~75(59.3±3.5)岁。术前患者的主要临床症状为拇囊红肿、跖骨周围疼痛,拍摄患足正侧位X线片确诊为拇外翻及小趾内翻畸形。观察并比较手术时间、术后并发症情况,手术前后IMA(第1、2跖骨间角),HVA(拇外翻角),LDA(第5跖骨外翻角),MPA(小趾内翻角),IM4-5(第4、5跖骨间角)以及PASA(近端关节固定角)的变化,术后采用美国足踝外科协会拇趾-跖趾-趾间关节评分系统(AOFAS)进行功能评价。结果:168例患者获得随访,时间6~48(28.6±3.2)个月。术后伤口愈合良好,无感染、窦道形成等并发症发生。拇外翻矫形手术时间为16~28(18.3±2.1)min;小趾内翻矫形手术时间12~26(16.9±1.8)min;IMA、HVA、LDA、MPA以及IMA 4-5分别由术前的(10.1±2.1)°、(32.6±4.2)°、(6.9±2.3)°、(18.5±5.2)°、(15.1±2.9)°矫正到术后的(8.3±2.2)°、(10.9±2.9)°、(2.7±0.4)°、(6.5±1.6)°、(8.9±1.8)°,差异有统计学意义(P0.05)。而PASA由术前的(9.1±2.1)°矫正到术后的(8.7±1.9)°,差异无统计学意义(P0.05)。术后AOFAS功能评分由术前的31.6±3.9提高至术后的83.7±5.2,差异有统计学意义(P0.05);其中优147例,良13例,可6例,差2例。结论:微创治疗拇外翻伴小趾内翻畸形的临床效果良好,具有切口小、无缝线、外观美、手术时间短,术后功能恢复好的优点,值得在临床中推广。     

手术治疗中青年女性(足母)外翻畸形

目的矫正中青年女性(足母)外翻畸形。方法经过解剖学研究,提出跨外翻形成的内在因素是一种“绞盘式”挤压机制。为消除这一机制,将(足母)收肌与跨趾的联系彻底切断,并与经第1跖骨头横孔穿行的跨囊筋膜瓣中1/3吻合,以起到坚强固定,直接牵拉第Ⅰ跖骨头的作用。结果 20只足接受了本术式,18只做了0.5～4年随诊,优良率100％。结论 (足母)收肌与(足母)囊筋膜瓣吻合,能有效地紧缩前足,达到兼顾美观及解除疼痛的目的。     

Natural progression of radiographic indices in juvenile hallux valgus deformity

BackgroundThis study aimed to estimate the annual change in radiographic indices for juvenile hallux valgus (JHV) and to analyze the factors that influence deformity progression.MethodsPatients aged <15 years who had JHV and were followed up for at least 1 year were included. Hallux valgus angle (HVA), hallux interphalangeal angle, intermetatarsal angle, metatarsus adductus angle, distal metatarsal articular angle, anteroposterior talo-first metatarsal angle, and lateral talo-first metatarsal angle were evaluated. The progression rate of HVA was adjusted by multiple factors by using a linear mixed model.ResultsA total of 133 feet were included. The HVA and distal metatarsal articular angle both increased by 0.8° per year (p < 0.001 and p = 0.003, respectively). HVA increased by 1.5° per year (p < 0.001) at under the age of 10, and the HVA progression in the older patients was not statistically significant.ConclusionsJHV deformity could progress with aging. Most deformity progression could occur before the age of 10 years.     

可吸收螺钉在拇外翻畸形微创截骨术中的应用分析

目的:探讨可吸收螺钉在拇外翻畸形微创截骨术中的临床疗效。方法:回顾性分析自2019年1月至2020年1月收治的31例拇外翻患者的临床资料,根据术中使用螺钉不同分为可吸收螺钉组(17例)和钛合金空心螺钉组(14例)。其中可吸收螺钉组男1例,女16例;年龄32~72(54.53±12.12)岁;左侧6例,双侧5例,右侧6例;轻度1例,中度11例,重度5例;采用拇外翻微创截骨术+可吸收螺钉固定进行治疗。钛合金空心螺钉组男2例,女12例;年龄18~71(47.57±15.68)岁;左侧4例,双侧4例,右侧6例;轻度1例,中度9例,重度4例;采用拇外翻微创截骨术+钛合金空心螺钉固定进行治疗。观察两组患者并发症情况,分别于术前和术后12个月在足负重位X线片测量并比较两组患者拇外翻角(hallux valgus angle,HVA)和第1、2跖骨间角(intermetatarsal angle,IMA)变化情况,并比较术前和术后12个月美国足踝外科学会(American Orthopedic Foot and Ankle Society,AOFAS)拇趾关节评分系统和视觉模拟评分(visual analogue scale,VAS)。结果:31例患者获得随访,时间13~20(16.61±2.47)个月;可吸收钉组随访时间14~20(16.88±2.80)个月,钛合金空心钉组随访时间13~19(16.29±2.05)个月;两组随访时间比较差异无统计学意义(P>0.05)。吸收螺钉组1例出现术口周围出现麻木;钛合金空心钉组3例出现并发症,其中术口周围麻木症状1例,内固定物刺激皮肤症状1例,复发1例;两组并发症比较,差异无统计学意义(χ²=1.651,P=0.199)。两组术前和术后12个月HVA、IMA比较,差异无统计学意义(P>0.05)。两组术前和术后12个月AOFAS评分、VAS比较,差异无统计学意义(P>0.05)。结论:与拇外翻微创截骨后使用钛合金空心螺钉进行固定相比,使用可吸收螺钉固定在影像学评价和功能评价上可以达到与钛合金空心螺钉固定水平相当的临床效果。     

手术治疗中青年女性外翻畸形

目的矫正中青年女性外翻畸形。方法经过解剖学研究，提出外翻形成的内在因素是一种“绞盘式”挤压机制。为消除这一机制，将收肌与趾的联系彻底切断，并与经第Ｉ跖骨头横孔穿行的囊筋膜瓣中１／３吻合，以起到坚强固定，直接牵拉第Ｉ跖骨头的作用。结果２０只足接受了本术式，１８只做了０．５～４年随诊，优良率１００％。结论收肌与囊筋膜瓣吻合，能有效地紧缩前足，达到兼顾美观及解除疼痛的目的。     

Hemiepiphysiodesis for juvenile hallux valgus deformity: A systematic review

BackgroundAmong the numerous surgical interventions for correcting hallux valgus deformity in skeletally immature patients, hemiepiphysiodesis is a simple technique with a low complication rate yet its effectiveness remains unclear. This systematic review evaluates hemiepiphysiodesis of the first metatarsal for treating juvenile hallux valgus (JHV) deformities with respect to radiological outcomes, postoperative clinical outcomes, and postoperative complications.MethodsEMBASE, MEDLINE, PubMed, Cochrane Central Register of Controlled Trials (CENTRAL), and Cumulative Index to Nursing and Allied Health Literature (CINAHL) database were searched from inception to September 15th, 2022, for studies investigating hemiepephysiodesis for JHV and its effect on clinical and radiological outcomes. The search, data extraction and methodologic assessment were performed in duplicate for all included studies.ResultsSix studies out of 488 with a total of 147 feet in 85 patients were included in the final qualitative synthesis. The American Orthopaedic Foot & Ankle Society hallux metatarsophalangeal interphalangeal scale (AOFAS Hallux MTP-IP scale) was used in two studies. The mean pooled preoperative score was 62.2 ± 8.9 and improved to 88.6 ± 4.8 postoperatively in 33 patients. All six studies reported significant improvement in the hallux valgus angle (HVA) from mean preoperative angle of 29.2° ± 3.7–23.8° ± 4.5° postoperatively, while the intermetatarsal angle (IMA) preoperative and postoperative means corrected from 13.9° ± 1.1–11.4° ± 1.2°, respectively. Out of 147 feet, 21 (14.2%) had reported complications including recurrence and need for revision surgery.ConclusionThis systematic review confirms that hemiepiphysiodesis of the first metatarsal in patients with JHV has improved clinical and radiological outcomes.Level of evidenceLevel IV, Systematic review     

Windswept hip deformity in children with cerebral palsy: a population-based prospective follow-up

Purpose

To analyze the development of windswept hip deformity (WS) in a total population of children with cerebral palsy (CP) up to 20 years of age, the association between WS and hip dislocation, and femoral varus osteotomy and scoliosis, and the impact of a hip surveillance program on the subsequent incidence of WS.

Methods

This is a prospective study on children with CP in southern Sweden included in the Swedish follow-up programme and registry for CP (CPUP). All children born between 1990 and 1995 with CP were included; those born between 1990 and 1991 did not partake in the hip surveillance program until they were older (3–5 years of age) and served as a historic control group. Children born between 1992 and 1995 were included in the hip surveillance program from about 2 years of age and constituted the study group.

Results

In the control group, 12 of 68 children (18 %) developed WS. In the study group of 139 children, 13 (9 %) developed WS (p = 0.071). Of all 25 children with WS, 21 also developed scoliosis and 5 developed a hip dislocation. The number of children with WS starting in the lower extremities was significantly lower in the study group (p = 0.028). No difference between the two groups was seen regarding WS that started in combination with scoliosis.

Conclusion

With early inclusion in a hip surveillance program and early treatment of contractures, it appears possible to reduce the frequency of WS starting in the lower extremities.

     

Pes planovalgus deformity surgical correction in ambulatory children with cerebral palsy

Purpose

Planovalgus foot deformity is common in diplegic and quadriplegic patients. Surgery is the definitive treatment to restore the alignment of the talus, calcaneus, and navicular bones. We aimed, in the current study, to compare the effectiveness of subtalar fusion and calcaneal lengthening, and to assess the recurrence in ambulatory children with cerebral palsy.

Methods

This is a retrospective study of 78 patients (138 feet diagnosed with planovalgus deformity) who underwent surgical correction using subtalar fusion or calcaneal lengthening. Range of motion, radiographic indices, kinematic, and pedobarographic data were used to examine the deformity and the outcome of surgery. A repeated measures analysis of variance (ANOVA) was used to test the study hypothesis.

Results

Most of the patients were diplegic (87.2 %) and the mean age at surgery was 11.9 ± 2.9 years (range from 4.7 to 18.3 years), with a mean follow-up of 5 ± 4.4 years (range from 1 to 15.4 years). Sixty-three feet were treated with calcaneal lengthening, while 75 were treated with subtalar fusion. The feet treated with subtalar fusion were more severe preoperatively. However, both surgery groups showed improvement postoperatively. Among 12 cases of recurrence, medial column fusion was the main surgery performed to correct the deformity.

Conclusions

Surgery is effective in the treatment of planovalgus deformity in ambulatory children with cerebral palsy. Severe and rigid planovalgus feet can be treated effectively with subtalar fusion. Feet with milder deformity show good results, with calcaneal lengthening. Surgery provides good correction in young patients, but there is a higher recurrence rate.

Electronic supplementary material

The online version of this article (doi:10.1007/s11832-012-0413-3) contains supplementary material, which is available to authorized users.