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PubMed2002

A double-blinded, randomized comparison of either 0.5% levobupivacaine or 0.5% ropivacaine for sciatic nerve block.

UNLABELLED: To compare intraoperative and postoperative clinical properties of levobupivacaine and ropivacaine for sciatic nerve block, 50 ASA physical status I and II patients undergoing hallux valgus repair received a femoral nerve block with 15 mL of 2% mepivacaine. They were then randomly allocated in a double-blinded fashion to receive a sciatic nerve block with either 0.5% levobupivacaine (n = 25) or 0.5% ropivacaine (n = 25). An independent blinded observer evaluated the onset time of surgical anesthesia as well as the quality of the surgical block and postoperative analgesia. The median (range) onset time of surgical block at the sciatic nerve distribution was 30 min (5-60 min) with levobupivacaine and 15 min (5-60 min) with ropivacaine (P = 0.63). Four patients (two patients in each group) received a supplementary ankle block by the surgeon just before the beginning of surgery. All four patients also received IV fentanyl supplementation, but in three of them, propofol infusion was required to complete surgery (two in the Levobupivacaine group [8%] and one in the Ropivacaine group [4%]; P = 0.99). In six patients of the Levobupivacaine group (24%) and five patients of the Ropivacaine group (20%), IV fentanyl supplementation was required to complete surgery (P = 0.99). No differences in the time to recovery of sensory and motor function were observed between the two groups, whereas median (range) duration of postoperative analgesia was 16 h (8-24 h) with levobupivacaine and 16 h (8-24 h) with ropivacaine (P = 0.83). We conclude that 0.5% levobupivacaine and 0.5% ropivacaine provide comparable surgical anesthesia and postoperative analgesia. IMPLICATIONS: No studies have compared the clinical properties of levobupivacaine with those of ropivacaine when providing sciatic nerve block for hallux valgus repair. Results from this prospective, randomized, double-blinded study demonstrate that 20 mL of either 0.5% levobupivacaine or 0.5% ropivacaine provide comparable surgical block with prolonged postoperative analgesia.

Adult↗

PubMedDate not supplied

[Deformities and misalignment of feet in children--a field study of 345 students].

PURPOSE: purpose of this study was to evaluate paediatric feet and to document possible problems. MATERIAL AND METHODS: In 345 high school pupils of the 5th and 6th class aged 10 to 13 the feet as well as leg alignment were evaluated with a standardised protocol. RESULTS: Only 36.5% showed regular feet. In almost 2/3rd of the pupils malalignements or even deformities were present. The valgus foot showed the highest incidence with 39.4% followed by a flat foot with 19.1%. 17.1% of the children showed a hallux valgus. There was no correlation between body weight, body height, leg alignment and foot deformity. However, a significant correlation could we found between hallux valgus and splay foot. CONCLUSION: The presented data underlines the necessity for paying attention on the problems of the paediatric feet. During sport lessons in school a special foot training for children should be performed.

Adolescent↗

PubMed2001

[Foot surgery in Germany. Historical burden or scientific challenge?].

In Germany foot surgery was established in the late nineteenth century. To correct foot deformities due to paralytic disorders, i.e., poliomyelitis, and congenital deformities, different types of tenotomies and arthrodeses were developed to obtain plantigrade weight-bearing and to avoid external orthosis. A description of surgical techniques during the last century is presented in detail. During those years resection arthroplasties for hallux valgus were common, although some authors recommended osteotomies of the first metatarsal as joint-sparing techniques. Nowadays, further knowledge in etiology, pathology, and biomechanics have effected the therapeutic algorithm in hallux valgus. Nevertheless, discussion about this topic has not come to an end. In 1991 the German Foot and Ankle Society (D.A.F.) was founded. Educational courses to improve surgical skills as well as clinical workshops were successfully established. A marked increase in membership and a broad international acceptance confirm these activities.

Foot↗

PubMed2006

Age-related differences in foot structure and function.

The aim of this study was to compare foot characteristics and plantar force and pressure patterns in young and older people. Fifty young (mean age 20.9+/-2.6 years) and 50 older (mean age 80.2+/-5.7 years) people without foot problems underwent tests of foot posture, range of motion, strength, sensation and deformity. Plantar force and pressure distribution during gait were evaluated using a floor-mounted resistive sensor mat system. Older participants exhibited flatter/more pronated feet, reduced range of motion of the ankle and 1st metatarsophalangeal joints, a higher prevalence of hallux valgus, toe deformities and toe plantarflexor weakness, and reduced plantar tactile sensitivity. Plantar pressure analysis revealed decreased magnitude of forces and pressures under the heel (-13% to 16%), metatarsophalangeal joints (-11% to 16%) and hallux (-19% to 25%), but greater relative contact time under the heel (+21%), midfoot (+14%) and metatarsophalangeal joints (+5% to 8%) in older participants. Multiple regression analysis revealed that these age-related differences could be largely explained by differences in step length and various foot characteristics, particularly foot posture and the severity of hallux valgus. These findings indicate that ageing is associated with significant changes in foot characteristics which contribute to altered plantar loading patterns during gait.

Adult↗

PubMed1999

Forefoot problems in athletes.

Athletes who participate in high-impact sports involving running, jumping, or contact are at risk for forefoot injury. These injuries occur as a result of acute trauma or chronic overuse. Some athletes may be predisposed to injury because of preexisting foot deformity, such as cavus, hallux valgus, or Achilles contracture. This article reviews the common causes of forefoot pain in the athlete. The most common causes of forefoot pain in the athlete are metatarsal stress fracture, interdigital neuroma, sesamoid pathology, metatarsalgia, hallux rigidus, hallux valgus, and turf toe. The pathophysiology, clinical presentation, and treatment of these conditions are discussed.

Athletic Injuries↗

PubMed1997

Hallucal rotation: a method of measurement and relationship to bunion deformity.

A method for measuring hallucal rotation or weightbearing tangential radiographs is described. Under controlled conditions using cadaver specimens, 10 degree changes in hallucal rotation were associated with a mean change in radiographically measured rotation of 10.6 degrees (S.D. = 2.3 degrees). A clinical study of 30 control patients and 39 patients presenting with a chief complaint of a bunion deformity was undertaken to assess the reliability of the measurement method. The overall reliability was high for both groups (r = 0.98). A significant difference was found between mean values for hallucal rotation in the two groups (P < 0.005). There is a modest association between increasing valgus deviation and increasing rotation of the hallux (r = 0.43, P < 0.01). This study suggests that bunion deformities involve variable degrees of axial and coronal plane rotations of the first metatarsophalangeal joint and that the concept of a planar "hallux valgus" deformity may insufficiently describe this three-dimensional clinical condition.

Cadaver↗

PubMed2006

[Melorheostosis of the foot: a case report of a rare entity].

INTRODUCTION: Melorheostosis is a rare bony dysplasia and often recognised just sporadically by chance. CASE REPORT: We present a case of a 15 year old girl who presented a melorheostosis of the left foot. After birth there was recognized a shortening and deformity of the 2nd toe on the left foot. Furthermore she had an interphalangeal hallux valgus that displaced the 2nd toe increasingly. Thus in the last years there were more and more difficulties to wear normal shoes. Conservative therapy was not successful. We performed a lengthening extending osteotomy of the 2nd toe (a modified Weil osteotomy) and an Akin osteotomy of the interphalangeal hallux valgus. Since the surgical procedure the patient is out of any complaints. DISCUSSION: We demonstrate the radiologic and histologic findings and discuss the relevant literature and possible etiology.

Adolescent↗

PubMedDate not supplied

[Calculation of functional kinetic parameters from the plantar pressure distribution measurement].

PURPOSE: The aim of this study was the development of a simple procedure to calculate functional kinetic parameters from the plantar pressure distribution measurement which is used in many orthopaedic practices and clinics as a standard measurement device. The special purpose is the comparison of functional parameters between datasets taken before and after a surgical operation, for example the correction of a hallux valgus. METHOD: In the gait laboratory, pressure distribution measurements were recorded from healthy test subjects and patients with different foot diseases. The test subjects walked barefoot over the measurement plate which is integrated in a gangway. The device records a "movie" of the pressure distribution in the unrolling of the foot. It takes 72 pressure distribution pictures per second. By integrating the pressure over all segmental areas, i. e., pressure distribution picture for pressure distribution picture, the temporal progress of the total ground force can be calculated. By integration of the pressure only over a certain part of the foot, the ground force on that certain anatomic structure can be calculated, for example, the ground reaction force upon then hallux. By integration of the pressure over the same segmental areas considering their lever distance to the axes of the ankle joint, the external joint moment can be calculated. For this, the musculature of the lower leg must generate an internal moment, which exactly compensates the external moment. RESULTS: In the case of a correction of a hallux valgus, the percentage of the total external moment with regard to the upper ankle joint can be measured which is taken on by the hallux and metatarsal I. This allows us to verify a functional improvement through the operative treatment. With patients after one-sided injuries of the foot and ankle joints, the functional success of a treatment can be quantified by means of a comparison of sides, for example, after a fracture of the calcaneus. CONCLUSION: The determination of muscular ankle joint moments from the pressure distribution measurement improves the objectivity when reviewing the functional success of a therapy in different orthopaedic or surgical interventions at the foot and ankle joint.

Algorithms↗

PubMedDate not supplied

[The prevalence of pain and deformities in the feet of adolescents. Results of a cross-sectional study].

AIM: The purpose of the study was to evaluate the prevalence of foot pain and foot deformities in adolescents. It was aimed to obtain information on the association between foot pain and foot deformities. METHOD: A total of 2 368 adolescents (age 14.5 +/- 0.7 years) were evaluated. The frequency of foot pain was probed by using a self-reporting questionnaire. The foot deformities were evaluated during clinical examinations by school doctors. RESULTS: The prevalence of foot pain was 14.0 % and the prevalence of foot deformities was 13.7 %. The prevalence of pain was significantly higher in adolescents with foot deformity (17.8 %) than in persons without deformity (13.4 %), p < 0.05. The prevalence of a flexible flat foot was 6.2 % and the prevalence of a rigid flat foot was 0.5 %. Other deformities registered were splay foot (2.3 %) and flexible splay-flat foot (2.0). The prevalence of hallux-valgus deformity was 3.5 %. A total of 3.5 % patients were suffering from a plantar hyperkeratosis. This was significantly correlated to a high pain prevalence (the hyperkeratosis was significantly associated with a high prevalence of pain). Significant factors which were significantly associated with foot pain were foot deformity (1.4 fold) and hyperkeratosis (75 fold). Foot pain was 1.4 fold higher in children with foot deformity and 75 fold higher in feet with hyperkeratosis. CONCLUSION: The prevalence of foot pain and foot deformity in adolescent is high. Mild deformities (flexible flat foot and splay foot) are physiological variations without any association to foot pain. Pathological conditions that are associated with foot pain are the rigid flat foot, the hallux valgus and the cavus deformity. Plantar hyperkeratosis is an indicator of foot pathology.

Adolescent↗

PubMed2005

[Lesser toe deformities. Definition, pathogenesis, and options for surgical correction].

Whereas in the past resection arthroplasty was - in analogy to hallux valgus surgery - the preferred therapy to correct lesser toe deformities, the point of view has undergone a change. Much interest is directed toward functional aspects that require reconstructive management. Whenever possible the integrity of joint play should be saved. Above all the metatarsophalangeal joint of the lesser toes is worth being preserved to prevent a severe disturbance of the biomechanics of the foot. Tendon transfers and subtle corrective osteotomies such as the Weil procedure allow restricting resection procedures to contraction deformities.

Arthroplasty↗

PubMed2004

Levobupivacaine 0.2% or 0.125% for continuous sciatic nerve block: a prospective, randomized, double-blind comparison with 0.2% ropivacaine.

In 60 patients receiving elective hallux valgus repair, we compared the efficacy of continuous popliteal sciatic nerve block produced with 0.2% ropivacaine (n = 20), 0.2% levobupivacaine (n = 20), or 0.125% levobupivacaine (n = 20) infused with a patient-controlled system starting 3 h after a 30-mL bolus of the 0.5% concentration of the study drug and for 48 h (baseline infusion rate, 6 mL/h; incremental dose, 2 mL; lockout time, 15 min; maximum incremental doses per hour, 3). No differences were reported in the intraoperative efficacy of the nerve block. The degree of pain was similar in the three groups throughout the study period, both at rest and during motion. Total consumption of local anesthetic solution during the first 24 h was 148 mL (range, 144-228 mL) with 0.2% ropivacaine, 150 mL (range, 144-200 mL) with 0.2% levobupivacaine, and 148 mL (range, 144-164 mL) with 0.125% levobupivacaine (P = 0.59). The volume of local anesthetic consumed during the second postoperative day was 150 mL (range, 144-164 mL) with 0.2% ropivacaine, 154 mL (range, 144-176 mL) with 0.2% levobupivacaine, and 151 mL (range, 144-216 mL) with 0.125% levobupivacaine (P = 0.14). A smaller proportion of patients receiving 0.2% levobupivacaine showed complete recovery of foot motor function as compared with 0.2% ropivacaine and 0.125% levobupivacaine, both at 24 h (35% vs 85% and 95%; P = 0.0005) and at 48 h (60% vs 100% and 100%; P = 0.001). We conclude that sciatic infusion with both 0.125% and 0.2% levobupivacaine provides adequate postoperative analgesia after hallux valgus repair, clinically similar to that provided by 0.2% ropivacaine; however, the 0.125% concentration is preferred if early mobilization of the operated foot is required.

Adult↗

PubMed1996

Pictorial review: foot axes and angles.

Using radiographs and diagrams, this article reviews the most commonly used axes and angles of the foot, including: longitudinal axis of the rearfoot, collum tali axis, talocalcaneal angle, cuboid abduction angle, longitudinal axis of the lesser tarsus, lesser tarsus angle, talonavicular angle, longitudinal axis of the metatarsus, forefoot adductus angle, metatarsus adductus angle, first intermetatarsal angle, hallux valgus angle, proximal and distal articular set angles, and hallux interphalangeal angle, plane of support, collum tali axis, talar declination angle, calcaneal inclination axis, lateral talocalcaneal angle, first metatarsal declination axis and calcaneal inclination angle.

Foot↗

PubMed1982

The first metatarso-sesamoid joint.

The first metatarso-sesamoid joint is separately identified from the first metatarso-phalangeal joint and its anatomical characteristics are described from a study of one hundred anatomical specimens of normal adult and children's feet and two hundred radiographs of patients' feet. The author finds that the metatarso-sesamoid joint is assymmetrical both in children and adults, the medial surface being larger than the lateral. The medial sesamoid lies centrally, and the lateral sesamoid lies laterally, under the head of the first metatarsal. A knowledge of the shape and function of this joint is important in understanding the pathology as well as the therapeutic indications of various conditions of forefoot imbalance, mainly of hallux valgus.

Adult↗

PubMed1992

Rotational scarf (Z) osteotomy bunionectomy for correction of high intermetatarsal angles.

A modification of the scarf osteotomy bunionectomy is described. The modification involves a change in the movement of the osseous fragments from lateral transposition to lateral rotation of the metatarsal head fragment around a stationary axis at the metatarsal base. Rotation of the distal fragment in this manner allows greater than 50% transposition and, therefore, higher intermetatarsal angle corrections can be obtained as compared to a transpositional scarf osteotomy. The configuration of the scarf osteotomy is more stable to the stress of weightbearing than the closing base wedge osteotomy, and this modification can provide a useful alternative to closing base wedge osteotomy for the correction of severe hallux valgus deformity.

Adult↗

PubMed2001

Osteotomy of the hallux proximal phalanx.

Osteotomy of the proximal phalanx appears to be used more frequently and with increasing indications. It rarely is indicated as the only surgical procedure and often is combined with a secondary procedure. In hallux valgus surgery, a proximal or distal metatarsal osteotomy often is used, and in hallux rigidus, a cheilectomy usually is added. The advantage of a proximal phalanx osteotomy is that it enables an extra-articular correction, which avoids breaching the metatarsophalangeal joint. This extra-articular correction may prevent joint stiffness and long-term joint changes.

Combined Modality Therapy↗

PubMed1997

Acquired hallux varus and clinical tolerability.

This retrospective study was undertaken to determine the long-term clinical problems, residual disability, and need for further surgery in patients with iatrogenic hallux varus. Between 1975 and 1985, in 16 (19 feet) of 83 patients who underwent foot surgery for hallux valgus or metatarsus primus varus, hallux varus deformity was noted at 1-year follow-up on dorsoplantar roentgenograms obtained with the patients bearing weight. Thirteen of those patients (16 feet) were reexamined at an average of 18.3 years (220 months) after surgery. The average hallux varus deformity in this group was 10.1 degrees. Eleven patients (12 feet) rated their results as excellent. The average hallux metatarsophalangeal interphalangeal score for all patients was 91.5 points. Only those with extreme hallux varus deformity were dissatisfied or required further surgery.

Adolescent↗

PubMed1999

[Progression of foot deformities in rheumatoid arthritis--a radiologic follow-up study over 5 years].

OBJECTIVE: The typical changes of the foot in patients with rheumatoid arthritis (RA) are the rear foot valgus and the flattening of the longitudinal arch as well as the splayfoot with hallux valgus and little toe deformities. These foot deformities are not so much a cosmetic problem, but are very painful and limit the patient's mobility. METHODS: The progression of rheumatic foot deformities with a follow-up of five years was described in 36 patients (70 feet) with RA and an average duration of the disease of 19.2 years (+/- 9.8 years). The analysis was based on standardized X-rays of the feet using the index of Larsen, Dale, and Eek. The number of affected joints and their predominant locations were evaluated. RESULTS: In the course of the follow-up, the first MTP joint was affected most frequently in 57%. Especially the tarsometatarsal joints of the Lisfranc-joint-line showed progressive changes. Altogether, a radiological progression of arthritic changes and a worsening of the foot statics were observed in 97% of the patients. CONCLUSION: In view of the rapid progression of rheumatic foot disorders, there is need not only for a consequent pharmacotherapy but also for strict clinical controls and a disease stage oriented local therapy.

Adult↗

PubMedDate not supplied

Hypermobility of the first ray: a critical review of the literature.

The authors provide a detailed review of the available literature regarding first ray sagittal plane direction and range of motion with special emphasis on whether or not hypermobility of the first ray can truly be supported as a definable clinical entity. They also describe a novel clinical test for assessing sagittal plane instability of the first ray. The authors believe that this test, when combined with previously defined clinical tests, helps to identify those few patients that would benefit from an arthrodesis procedure of the medial pillar of the foot for the treatment of the hallux valgus deformity.

Foot Joints↗