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International Journal of Endocrinology
Volume 2014, Article ID 685820, 5 pages
http://dx.doi.org/10.1155/2014/685820
Clinical Study

Role of Serum Fibrinogen Levels in Patients with Rotator Cuff Tears

1Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo 200, Trigoria, 00128 Rome, Italy
2Centro Integrato di Ricerca (CIR), Campus Bio-Medico University, Via Alvaro del Portillo 21, Trigoria, 00128 Rome, Italy
3Centre for Sports and Exercise Medicine, Mile End Hospital, Mann Ward, 275 Bancroft Road, London E1 4DG, UK
4Department of Musculoskeletal Medicine, University of Salerno, 84048 Salerno, Italy

Received 31 December 2013; Accepted 15 March 2014; Published 10 April 2014

Academic Editor: Nicola Napoli

Copyright © 2014 Umile Giuseppe Longo et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Although rotator cuff (RC) tendinopathy is a frequent pathology of the shoulder, the real understanding of its aetiopathogenesis is still unclear. Several studies showed that RC tendinopathy is more frequent in patients with hyperglycemia, diabetes, obesity, or metabolic syndrome. This paper aims to evaluate the serum concentration of fibrinogen in patients with RC tears. Metabolic disorders have been related to high concentration of serum fibrinogen and the activity of fibrinogen has been proven to be crucial in the development of microvascular damage. Thus, it may produce progression of RC degeneration by reducing the vascular supply of tendons. We report the results of a cross-sectional frequency-matched case-control study comparing the serum concentration of fibrinogen of patients with RC tears with that of a control group of patients without history of RC tears who underwent arthroscopic meniscectomy. We choose to enrol in the control group patients with pathology of the lower limb with a likely mechanic, not metabolic, cause, different from tendon pathology. We found no statistically significant differences in serum concentration of fibrinogen when comparing patients with RC tears and patients who underwent arthroscopic meniscectomy (P = 0.5). Further studies are necessary to clarify the role of fibrinogen in RC disease.