Publications by authors named "Martinez-Nova Alfonso"

Friction blisters are common among outdoor enthusiasts, yet their causes remain uncertain. This study aimed to compare foot hydration in long-distance hikers with and without blisters, and to assess variability based on age and sex. An observational case-control study involving 86 hikers was conducted.

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Background/objectives: Local intralesional corticosteroid injections into the periungual fold are used to treat patients with onychocryptosis, but their short- or medium-term effects are unknown. The goal was to compare the efficacy of this treatment in stages IIa, IIb, and III of the condition with a common conservative method such as gauze bandaging.

Methods: A two-arm randomized trial with 40 patients with stage IIa, IIb, and III onychocryptosis equally assigned into two treatment groups-control (spiculotomy and application of gauze bandaging) and experimental group (spiculotomy and infiltration of corticosteroid)-was performed.

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Introduction: The choice of materials for covering plantar orthoses or wearable insoles is often based on their hardness, breathability, and moisture absorption capacity, although more due to professional preference than clear scientific criteria. An analysis of the thermal response to the use of these materials would provide information about their behavior; hence, the objective of this study was to assess the temperature of three lining materials with different characteristics.

Materials And Methods: The temperature of three materials for covering plantar orthoses was analyzed in a sample of 36 subjects (15 men and 21 women, aged 24.

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Unlabelled: The proper dorsal flexion movement of the first metatarsophalangeal joint (MTPJ) is crucial for an accurate gait. Restricted movement can disrupt the windlass mechanism, and Jack's test is a tool to assess such alterations. Although running socks are commonly used, their influence on the windlass mechanism remains unclear.

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Background: The first metatarsophalangeal joint (MTPJ), which includes the first metatarsal and proximal phalanx, plays a crucial role in gait and impacts the windlass mechanism. Disruptions to this mechanism are implicated in various foot pathologies. Jack's Test serves as a valuable tool for clinicians to assess the functionality of the MTPJ.

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Climate change is real and we are witnessing its consequences, such as rising temperatures, water scarcity, and sea-level rise, among other significant impacts. As healthcare professionals, podiatrists should be concerned about climate change; however, they still contribute to the damage caused. Therefore, the aim of this study was to assess the level of awareness among podiatrists regarding this issue and determine their attitudes toward the climate change process.

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Background: Trail running socks with the same fibers and design but with different separations of their three-dimensional waves could have different thermoregulatory effects. Therefore, the objective of this study was to evaluate the temperatures reflected on the sole of the foot after a mountain race with the use of two models of socks with different wave separations.

Material And Methods: In a sample of 34 subjects (twenty-seven men and seven women), the plantar temperature was analyzed with the thermal imaging camera Flir E60bx (Flir systems, Wilsonville, OR, USA) before and after running 14 km in mountainous terrain at a hot temperature of 27 °C.

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The lining materials of plantar orthoses are chosen for their hardness, breathability, and moisture absorption, but without there being any clear scientific criterion. Thermographic analysis would provide information about the thermal response of the sole of the foot, and would thereby allow the choice to be adapted in accordance with this criterion. The objective of this study was to evaluate plantar temperatures after the use of three materials with different characteristics.

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Article Synopsis
  • This study investigates how foot posture and pressure affect the development of plantar hyperkeratosis (HK), a painful condition caused by an overgrowth of skin on the feet due to altered keratinization.* -
  • An analysis of 400 subjects revealed a range of foot postures, with those having HK showing significantly higher plantar pressures—up to 44% higher in certain areas compared to those without HK.* -
  • The findings suggest that abnormal foot posture not only contributes to HK but also indicates a need for preventive treatment, as participants with HK exhibited an average foot pressure 32.3% higher than those without the condition.*
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Background: Hyperkeratoses are thickenings of the stratum corneum, provoked by deviation of the ray and excessive plantar pressures. They are very common under the first metatarsal head (MTH) and on the big toe when there exists hallux valgus. The objective of this study was to assess plantar pressures pre- and post-surgery to try to define the threshold values that could determine the appearance of keratopathies.

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Background: Post-operative cures with hyaluronic acid (HA) could potentially shorten the period recovery involved in the phenol technique for ingrown toenail. The aim of this study was therefore to compare a standard healing protocol with the experimental one based on hyaluronic acid cream.

Material And Methods: 70 patients who had undergone phenol technique surgery for ingrown toenail were divided into two groups - control (n = 35) who received post-operative cures following the standard protocol with povidone iodine gel, and experimental (n = 35) who received cures with HA in the first 3 visits.

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Objective: Onychocryptosis is one of the most prevalent onychopathies, being a frequent reason for consultation in podiatric clinical practice. Conservative treatments are the first therapeutic choice, with nail remodeling using clotrimazole gel emerging as an alternative, although its medium-term effectiveness is unknown. The objective of this study was therefore to compare the efficacy of the technique of nail retraining using gauze bandaging with that of nail remodeling for the conservative treatment of stage I and IIA onychocryptosis.

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Introduction: The Podoprint® pressure platform system is widely used in routine podiatric clinical practice to measure plantar pressures. It allows non-invasive examination of the patient, and provides fast results with high levels of precision, reliability, and repeatability. Once these conditions have been demonstrated, the clinical and/or research use of baropodometry allows results to be obtained in the field of podology that are far from inconsiderable.

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The Winograd technique is a common surgical treatment for ingrown toenails. Attempting to improve the results of this technique, two modifications were adopted: the incisional approach and the use of adhesive approximation strips. This study aimed to compare the conventional technique and the modified version based on (i) postoperative complications, (ii) healing time, (iii) recurrence rate, and (iv) overall patient satisfaction.

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Article Synopsis
  • - Socks play a crucial role in preventing blisters by reducing friction and managing foot temperature and humidity, yet the impact of sock materials (synthetic vs. natural) on blister formation has been minimally studied.
  • - A study involving 203 hikers found that 68.5% had blisters, with a majority (74.2%) wearing synthetic socks, and those hiking in wet socks faced nearly double the risk of blistering.
  • - While wet socks significantly increase the likelihood of foot blisters, the type of sock material was not linked to blister development, leading to the recommendation that hikers frequently change socks to keep feet dry.
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Cushioning for the central and plantar zone of the forefoot, integrated into the body of the sock, could reduce excess pressures in that zone. The objective of this study was to verify the capacity of a sock with a cushioning element to reduce forefoot plantar pressures relative to the same sock model without that element. Dynamic plantar pressures were measured in a sample of 38 participants (25 women and 13 men) using the FootScan plate system following the two-step protocol.

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  • A prospective pilot study evaluated how foot types (pronate, neutral, supinate) affect mid-term functional outcomes in patients with central metatarsalgia after minimally invasive distal metaphyseal osteotomy (DMMO).
  • A total of 28 patients saw significant improvements in their AOFAS scores from an average of 42.82 before surgery to 86.50 and 92.93 at 6 and 12 months post-surgery, respectively.
  • No significant differences in outcomes were observed based on foot type or sex, and the procedure demonstrated minimal adverse events, making DMMO an effective treatment for metatarsalgia.
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Schoolchildren often spend a lot of time carrying a backpack with school equipment, which can be very heavy. The impact a backpack may have on the pronated feet of schoolchildren is unknown. The objective of this study was to evaluate the association of the backpack use on static foot posture in schoolchildren with a pronated foot posture over 36 months of follow-up.

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U-shaped plantar cushions could help reduce stress affecting the central forefoot without the need for an orthosis, but they are yet to be integrated as an element in socks. The objective of this study was to verify the effectiveness of a sock with a central discharge element in terms of plantar temperature and comfort. The sample comprised 38 subjects (13 men and 25 women).

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Article Synopsis
  • The study aimed to evaluate the effectiveness of 5% and 20% urea creams in hydrating the skin of the foot, which is crucial for preventing injuries and infections.
  • Conducted with 60 participants aged 20-35, the research involved three groups using different creams: a placebo, 5% urea, and 20% urea, with skin hydration measured using a non-invasive device.
  • Results indicated that while 20% urea significantly improved foot hydration compared to placebo, both urea concentrations showed no notable differences against each other or against the 5% urea in most areas tested.
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One important health problem that could affect diabetics is diabetic foot syndrome, as risk of ulceration, neuropathy, ischemia and infection. Unnoticed minor injuries, subsequent infection and ulceration may end in a foot amputation. Preliminary studies have shown a relationship between increased skin temperature and asymmetries between the same regions of both feet.

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Working on the intrinsic musculature of the foot has been shown to be effective in controlling pronation. However, the potential coadjuvant effect that involving other muscle groups might have on foot posture remains unknown. The aim was, therefore, to assess whether a 9-week intrinsic and extrinsic foot and core muscle strength program influenced foot posture in pronated subjects.

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Background: There is a paucity of data on the relationship between backpack use and foot posture in children. The aim of this study was to assess the effects of a backpack on foot posture in children with neutral foot posture during three years of follow-up.

Methods: A prospective longitudinal observational study was conducted in a sample of 627 children with neutral foot.

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Article Synopsis
  • This study investigates the prevalence of clinodactyly, a common foot deformity affecting newborns, and its relationship with various factors at birth.
  • After examining 305 newborns, it was found that clinodactyly occurred in about 90% of the fifth toes and was influenced by specific factors like breech presentation and forefoot width.
  • The findings indicate that podiatric examinations in newborns should account for clinodactyly, as it is prevalent irrespective of the baby's sex and not affected by the mother's race or ethnicity.
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