Normal blood flow response and vasomotion in the diabetic Charcot foot

Shane A Shapiro, Kevin B. Stansberry, Michael A. Hill, Martin D. Meyer, Patricia M. McNitt, Bankim A. Bhatt, Aaron I. Vinik

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

Vasomotion, the spontaneous rhythmic contraction exhibited by small arteries and arterioles is dysregulated in patients with diabetic neuropathy. We examined the relationship between Charcot arthropathy and vasomotion at the dorsum of the foot. We studied nine diabetic patients with clinically diagnosed neuropathy and Charcot arthropathy in 13 feet (n = 13), twelve subjects with diabetic neuropathy and no Charcot deformity (n = 12), and 11 healthy controls (n = 11). Following neuropathy assessment, blood flow was measured by laser Doppler flowmetry with local skin warming. Fast Fourier transformation was performed to provide an index of vasomotion. Subjects with Charcot osteoarthropathy had more severe somatic neuropathy and higher circulating levels of serum calcium (9.8 ± 0.1 versus 9.3 ± 0.1 mg/dL). Raising local temperature increased skin blood flow and vasomotion in both control subjects and Charcot subjects, but not in diabetic patients with neuropathy alone (p < 0.05 for blood flow, p < 0.02 for vasomotion). Patterns of peripheral vasomotion and blood flow which are clearly disordered in diabetic neuropathy are intact in patients with a Charcot osteoarthropathy, despite a more severe sensory nerve impairment. These findings suggest that the loss of peripheral blood flow and vasomotion often seen in diabetic neuropathy may actually be protective against Charcot arthropathy by preventing bone resorption. It remains unclear then whether the Charcot arthropathy is a direct result of a failure to decrease blood flow to bone, or is the manifestation of some other pathology.

Original languageEnglish (US)
Pages (from-to)147-153
Number of pages7
JournalJournal of Diabetes and its Complications
Volume12
Issue number3
DOIs
StatePublished - Jan 1 1998
Externally publishedYes

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Diabetic Foot
Diabetic Neuropathies
Joint Diseases
Laser-Doppler Flowmetry
Skin Temperature
Arterioles
Bone Resorption
Foot
Arteries
Pathology
Calcium
Bone and Bones
Skin
Serum

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

Cite this

Shapiro, S. A., Stansberry, K. B., Hill, M. A., Meyer, M. D., McNitt, P. M., Bhatt, B. A., & Vinik, A. I. (1998). Normal blood flow response and vasomotion in the diabetic Charcot foot. Journal of Diabetes and its Complications, 12(3), 147-153. https://doi.org/10.1016/S1056-8727(97)00080-9

Normal blood flow response and vasomotion in the diabetic Charcot foot. / Shapiro, Shane A; Stansberry, Kevin B.; Hill, Michael A.; Meyer, Martin D.; McNitt, Patricia M.; Bhatt, Bankim A.; Vinik, Aaron I.

In: Journal of Diabetes and its Complications, Vol. 12, No. 3, 01.01.1998, p. 147-153.

Research output: Contribution to journalArticle

Shapiro, SA, Stansberry, KB, Hill, MA, Meyer, MD, McNitt, PM, Bhatt, BA & Vinik, AI 1998, 'Normal blood flow response and vasomotion in the diabetic Charcot foot', Journal of Diabetes and its Complications, vol. 12, no. 3, pp. 147-153. https://doi.org/10.1016/S1056-8727(97)00080-9
Shapiro, Shane A ; Stansberry, Kevin B. ; Hill, Michael A. ; Meyer, Martin D. ; McNitt, Patricia M. ; Bhatt, Bankim A. ; Vinik, Aaron I. / Normal blood flow response and vasomotion in the diabetic Charcot foot. In: Journal of Diabetes and its Complications. 1998 ; Vol. 12, No. 3. pp. 147-153.
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