[Foot injuries in the growing skeleton].
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AIMS: This study was undertaken to identify significant physical, social and psychological problems resulting from injuries caused to the feet by air cushion mowers. METHODS: Thirty-four patients seen with air cushion mower injuries were reviewed, either by personal assessment, or by questionnaire. RESULTS: A large number of patients had significant symptoms relating to their soft tissue or bone injuries, the majority experiencing some pain, and those who had amputations difficulty in some aspects of walking. CONCLUSIONS: Better education of the dangers of the misuse of these mowers may reduce the incidence of significant forefoot injuries.
Fracture dislocations of the cunei-navicular joints are a very rare type of intertarsal dislocation and most people are probably unfamiliar with this entity. Clinical, radiological and pathological aspects allow discrimination of such injuries from the dislocations in Lisfranc's and Chopart's articulation. We have seen one patient who was found to have a crush fracture of the cuneiforme mediale on one side and a fracture disruption with dorsal dislocation of the first and second metatarsals and of the medial and intermediate cuneiform bones on the other. According to the principles of treatment for other tarsal injuries, we carried out open reduction with joint debridement, reconstruction of ligaments and internal stabilization with transfixation screws.
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Foot and ankle reconstruction following blast trauma is particularly challenging based on the devastating soft tissue injuries associated with open comminuted fractures. Considering the difficulties encountered in reconstruction, the functional limitations associated with many salvaged limbs, and the superior performance of contemporary prosthetics, many injured service members may benefit more from below knee amputation than from limb salvage. Limb salvage of blast-injured extremities is a multidisciplinary effort directed toward eradication of infection, treatment of soft tissue and bone defects, and management of late reconstructive procedures. External ring fixators have an important and expanding role in the treatment algorithm.
While most foot injuries heal without treatment, failure to recognize and treat some can have disastrous consequences. The exact mechanism of injury must be determined for accurate diagnosis. Many injuries, such as plantar fasciitis, "pump bump," sesamoiditis, and stress fractures, are the result of cumulative, repetitive stress rather than of an acute event. Others, such as injuries to tendons, may be chronic or acute. The foot is susceptible to numerous types of acute trauma, including sprains, fractures, dislocations, crushing, freezing, thermal injury, puncture wounds, and penetration by foreign bodies. Special care is required to minimize the danger of serious complications when treating foot injuries in diabetic patients.
Severe foot problems often develop from minor abnormalities that are preventable. It is crucial for nurses to understand and practice the principles of preventive foot care for elderly patients, both diabetic and non-diabetic. It is also important for nurses to distinguish between lesser foot problems that can easily be treated and more serious conditions that require referral to a specialist. This article includes practical applications for a foot care program from a nursing perspective and discusses pathophysiology of foot injuries, foot assessment using a screening tool and the Semmes-Weinstein monofilaments test, procedural techniques for nail and callus care using a cordless rotary tool, and nurses' qualification for providing nail care.
Foot injuries caused by sport have increased by number, due both to the fact that more people are practising sport at an amateur level, and to subliminal performance with particular engagement of the foot as an active instrument in most sports. Generic, usually occasional, traumatology must be distinguished from specific traumatology. The latter is substantially microtraumatic, but not necessarily of less importance, since the sequelae of an initially mild clinical picture are well known. Training (proprioceptivity of the ligaments) is acquiring a different meaning in the prevention of sports injuries. Ligamentous injuries of the tarsotibial joint, diseases of the subastragalic and the plantar flexor apparatus are of particular interest and referred to in the text.
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A 43-year-old man was treated for a traumatic degloving injury to his foot with a transmetatarsal amputation and wound care because of the extensive soft tissue loss. After biweekly sharp debridements in the office for 4 weeks, very minimal skin ingrowth was noted. Maggot therapy was then implemented for a 48-hour treatment and a second treatment for 72 hours to help reduce excessive fibrosis and to painlessly debride the tissues to expose the granular base. Daily dressing changes for the next 6 weeks successfully allowed complete wound closure without any additional interventions. During the follow-up course, no complications were encountered and the patient has returned to ambulation with the use of a cane.
Foot-ankle injuries have increased in relative importance in recent years. As a basis for future countermeasures, an epidemiology study has been undertaken using Swedish accident data from Folksam Insurance. The database consists of 805 foot-ankle injuries out of 57,949 car occupant injuries reported from 1985 to 1991. The influence of crash location, seating position and occupant age is determined for the frequency, incidence and rate of foot-ankle injury in car crashes. Frontal car crashes produce 76% of the AIS 2-3 foot-ankle injuries with 13% in side impacts and 8% in roll-overs. The rate of AIS 2-3 foot-ankle injury is 24.7 per 1000 occupants injured in all crash locations and is similar irrespective of seating positions. Ankle fractures and sprains both occur at an incidence of 3.7 per 1000 injuries, followed by malleolus fractures at 2.7 and midtarsal fractures at 2.4. The foot-ankle injury incidence and rate are significantly greater (p < 0.01) in near oblique-frontal crashes than for 12 o'clock frontals. For drivers in 11 o'clock and front passengers in 12 o'clock, the incidence is 27.8 per 1000 injuries as compared to 17.5 for drivers and front passengers in 12 o'clock crashes. Occupant age is not as significant as seating position and crash location; however, there are higher incidences for rear occupants > or = 60 years old in oblique frontal crashes. Using the new AAAM Impairment Injury Scale (IIS), 48% of the foot-ankle injuries are rated with residual impairment IIS 1-2. The incidence in near-seated occupants is 1.5 times greater in oblique frontal crashes than in frontals. The incidence for IIS 1-2 impairment in near oblique-frontal crashes is 12.8 per 1000 occupant injuries as compared to 8.3 in frontal crashes.
In this study we hypothesized that for frontal crashes, the driver was more likely to sustain foot injury than the front seated passenger and the right foot was more likely to be injured than the left because the driver's right foot was positioned in dorsiflexion and eversion during the crash and less able to tolerate crash forces. Seventeen CIREN frontal crashes were studied to document the circumstances and resulting foot injuries. NASS data was sampled to determine frequencies of injury to foot side and occupant position. Biomechanically, matched pairs of cadaveric feet were tested in compression with one in dorsiflexion, and the other, dorsiflexion, and eversion. Results showed that drivers were more likely than passengers to sustain a foot or ankle injury and this was almost exclusively due to a higher frequency of right foot injuries in drivers. Braking, with significant toepan intrusion, was associated with an increase in both right and left foot injuries in drivers. Biomechanically, 9 of 15 pairs tested provided useable data. There was a significant decrease in load to failure between specimens forced into dorsiflexion and eversion (mean, 4107 N, sd = 1630 N) compared with dorsiflexion alone (mean, 6468 N, sd = 2435 N, p = 0.001). The majority (16 of 17) of foot injuries in the CIREN cases were to drivers of which 13 injured their right foot and ankle. An implication of this work is that if thresholds based on data from dorsiflexion and compression loading are used to predict foot and ankle injury in frontal crashes they may not represent that population of drivers who are braking at the time of the crash and could suffer injuries at forces lower than current threshold values.
Foot injuries and deformations are more frequent at higher levels of sport climbing. These are accepted as unavoidable because it is assumed that, for optimal performance, a prerequisite is the wearing of a shoe, which is too tight and has an unnatural shape. Based on a biomechanical analysis, we came up with a different approach to shoe design. By using regional thinning of the sole, easy flexion and extension of the toes is made possible. The form of the shoe conforms to the natural form of the foot, the shoe closure provides a close fit for feet with width differences of up to 20 mm and a shoe-sizing system was developed. After testing prototypes, we conclude that the new shoe design can contribute to the prevention of foot injuries and deformations in sport climbing.
Non-freezing cold injury (trench foot) is characterized, in severe cases, by peripheral nerve damage and tissue necrosis. Controversy exists regarding the susceptibility of nerve fibre populations to injury as well as the mechanism of injury. Clinical and histological studies (n = 2) were conducted in a 40-year-old man with severe non-freezing cold injury in both feet. Clinical sensory tests, including two-point discrimination and pressure, vibration and thermal thresholds, indicated damage to large and small diameter nerves. On immunohistochemical assessment, terminal cutaneous nerve fibres within the plantar skin stained much less than in a normal control whereas staining to von Willebrand factor pointed to increased vascularity in all areas. The results indicate that all nerve populations (myelinated and unmyelinated) were damaged, possibly in a cycle of ischaemia and reperfusion.
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The article provides an overview of specific lower-extremity and foot injuries. The areas of concentration are sinus tarsi syndrome, tendon injuries, stress fractures, ankle sprains, and plantar fascitis. Diagnosis, treatment, and rehabilitation techniques have been discussed for each injury. The authors have also included biomechanical treatment modalities using orthotics for rehabilitation of these injuries.
OBJECTIVE: The purpose of this study was to determine if high-arched and low-arched runners exhibit different injury patterns. DESIGN: Non-randomized, two-group injury survey. BACKGROUND: Running-related injuries are thought to be related, in part, to lower extremity structure. High-arched and low-arched runners with their different bony architecture may exhibit very different lower extremity mechanics and, consequently, different injury patterns. It was hypothesized that high-arched runners will exhibit a greater incidence of lateral injuries, skeletal injuries and knee injuries while low-arched runners will show a greater incidence of medial injuries, soft tissue injuries and foot injuries. METHODS: Twenty high-arched and 20 low-arched runners were included in this study. Running-related injuries were recorded and divided into injury patterns of medial/lateral, bony/soft tissue and knee/foot and ankle for both high-arched and low-arched runners. A chi(2) analysis was then employed in an attempt to associate injury patterns with arch structure. RESULTS: High-arched runners reported a greater incidence of ankle injuries, bony injuries and lateral injuries. Low-arched runners exhibited more knee injuries, soft tissue injuries and medial injuries. CONCLUSIONS: Based on these results, high and low arch structure is associated with different injury patterns in runners. Relevance. Different injury patterns are present in individuals with extreme high arches when compared to those with extremely low arches. These relationships may lead to improved treatment and intervention strategies for runners based on their predisposing foot structure.
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