Contribution of plantar fascia to the increased forefoot pressures in diabetic patients

Maria Antonietta D'Agostino, Emanuela D'Ambrogi, Laura Giurato, Claudia Giacomozzi, Vello Macellari, Antonella Caselli

Risultato della ricerca: Contributo in rivistaArticolo in rivista

70 Citazioni (Scopus)

Abstract

OBJECTIVES - Secondary to peripheral neuropathy, plantar hyperpressure is a proven risk factor for foot ulceration. But limited joint mobility (LJM) and soft tissue abnormalities may also contribute. The aim of this study was to evaluate the relationships among thickness of plantar fascia, mobility of the metatarso-phalangeal joint, and forces expressed under the metatarsal heads. RESEARCH DESIGN AND METHODS - We evaluated 61 diabetic patients: 27 without neuropathy (D group), 19 with neuropathy (DN group), and 15 with previous neuropathic foot ulceration (DNPU group). We also examined 21 control subjects (C). Ultrasound evaluation was performed with a high resolution 8- to 10-MHz linear array (Toshiba Tosbee SSA 240). The foot loading pattern was evaluated with a piezo-dynamometric platform. First metatarsophalangeal joint mobility was assessed with a mechanic goniometer. RESULTS - Diabetic patients presented increased thickness of plantar fascia (D 2.9 ± 1.2 mm, DN 3.0 ± 0.8 mm, DNPU 3.1 ± 1.0 mm, and C 2.0 ± 0.5.mm; P < 0.05), and significantly reduced motion range at the metatarso-phalangeal joint (D 54.0 ± 29.4°, DN 54.9 ± 17,2°, DNPU 46.8 ± 20.7°, and C 100.0 ± 10.0°; P < 0.05). The evaluation of foot-floor interaction under the metatarsal heads showed increased vertical forces in DN and DNPU and increased medio-lateral forces in DNPU. An inverse correlation was found between the thickness of plantar fascia and metatarso-phalangeal joint mobility (r = - 0.53). The thickness of plantar fascia was directly correlated with vertical forces under the metatarsal heads (r = 0.52). CONCLUSIONS - In diabetic patients, soft tissue involvement may contribute to the increase of vertical forces under the metatarsal heads. Changes in the structure of plantar fascia may also influence the mobility of the first metatarso-phalangeal joint.
Lingua originaleEnglish
pagine (da-a)1525-1529
Numero di pagine5
RivistaDiabetes Care
Volume26
DOI
Stato di pubblicazionePubblicato - 2003

Keywords

  • Diabetes Mellitus
  • Foot
  • Fasciitis, Plantar
  • Female
  • Foot Ulcer
  • Humans
  • Male
  • Metatarsophalangeal Joint
  • Middle Aged
  • Pressure
  • Reference Values
  • Regression Analysis
  • Stress, Mechanical
  • Subcutaneous Tissue
  • Diabetes Complications
  • Diabetic Neuropathies

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