Resumen

MORENO DOMINGUEZ, José Carlos; PEREA RUIZ, Carlos Alberto; SUAREZ HERRERA, Fructuoso  y  SANFELIZ YEBRA, Natacha. Prevalence and risk factors for pterygium in the population of "Hebi" Henan province, China 2009. Rev Ciencias Médicas [online]. 2011, vol.15, n.1, pp. 43-58. ISSN 1561-3194.

Objective: to describe clinical and epidemiological characteristics of pterygium to favor the strategies to control the causes of the disease in Henan province, People's Republic of China. Method: an observational, descriptive and cross-sectional research was carried out having a target group of 3940 patients with a presumptive diagnosis of pterygium in an active screening "house to house" during April 2008 to January 2009 taking a sample of 415 patients attending to "Hebi" Hospital. Results: female sex (53%), the age bracket of 31-50 years old and farmers prevailed in the study. Pterygium of degree II, primary and active, having nasal location and fleshy type was predominant. Lachrymal film affected the 57, 5% of the cases in study and 55,9% presented corneal affection. Conclusions: a strong connection was found among lachrymal hyposecretion, corneal alterations and the presence of pterygium depending on the degree of ailment; which will allow establishing personalized protocols in the conduct to be followed for each patient who suffers the disease.

Palabras clave : PTERYGIUM [epidemiology]; BODILY SECRETIONS.

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