Role of heritable connective tissue diseases phenotypes in assessing the risk for internal diseases

A V Tyurin; R A Davletshin; R M Muratova

doi:10.17816/KMJ1830

Kazan medical journal ›› 2014, Vol. 95 ›› Issue (4) : 501 -505. DOI: 10.17816/KMJ1830

Theoretical and clinical medicine

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Role of heritable connective tissue diseases phenotypes in assessing the risk for internal diseases

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Abstract

Aim. To identify the prevalence of main phenotypes of polygenic heritable connective tissue diseases in patients with internal diseases and to assess the prevalence of different internal diseases in such patients. Methods. The study involved 600 patients (254 males, 346 females) aged 18 to 64 years. Average age of males was 52±3.8 years, females - 47±2.2 years. Patients were examined to reveal the signs of different phenotypes of heritable connective tissue diseases in patients with internal diseases, as well as the severity of connective tissue diseases, and possibilities for it screening using the wrist and thumb hypermobility tests. Results. Signs of heritable connective tissue diseases were revealed in 147 (24.5%) patients with internal diseases. In females, those signs were observed in 104 (30.0%) cases, of which 44 (42.3%) were graded as mild, 35 (33.7%) - moderate, 25 (24.0%) - severe. In males, signs of heritable connective tissue diseases were revealed in 43 cases (16.9%), including mild - 17 (39.5%), moderate - 14 (32.5%) and severe - 12 (28.0%). Ehlers-like phenotype was the most common (52.0%), Marfan-like phenotype was observed in 14.0% of cases, primary mitral valve prolapse was diagnosed in 7.0% of patients, unclassifiable phenotype was observed in 11.0% of cases. Joint hypermobility syndrome was revealed in 31.0% of patients, presenting both as specific phenotypes (Marfan-like, Ehlers-like) and as a self-phenotype (31.9% of all the patients with heritable connective tissue diseases phenotype). Benign joint hypermobility was observed in 6.1% of cases. Symptoms of heritable connective tissue diseases were more frequent in patients with gastrointestinal and musculoskeletal diseases. Conclusion. The most common phenotype of heritable connective tissue diseases is Ehlers-like with skin, bone and systemic manifestations. Presence of heritable connective tissue diseases was most commonly associated with gastrointestinal and musculoskeletal diseases.

Keywords

heritable connective tissue diseases / phenotypes / internal diseases / diagnostic screening

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A V Tyurin, R A Davletshin, R M Muratova. Role of heritable connective tissue diseases phenotypes in assessing the risk for internal diseases. Kazan medical journal, 2014, 95(4): 501-505 DOI:10.17816/KMJ1830

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