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Cirugía paraguaya

versión On-line ISSN 2307-0420


MACHAIN-VEGA, Gustavo et al. PREVALENCE OF GALLSTONES IN PERSONS WHO ARE PRESENT AT THE HOSPITAL DE CLÍNICAS. Rev. Cir. Parag. [online]. 2017, vol.41, n.2, pp.21-24. ISSN 2307-0420.


The prevalence of gallstones has been demonstrated in several countries. In our country is the main cause of surgical pathologies in several surgical services, there are few studies on the behavior of this pathology in Paraguay.


Show the prevalence of gallstones in asymptomatic patients in a Paraguayan referral hospital.

Materials and methods:

In this cross-sectional, observational, descriptive study, are analyzed by abdominal ultrasonography patients attending the Hospital de Clínicas, who meet the inclusion criteria for vesicular lithiasis. Using ultrasound methods, we studied 58 people: 30 women and 28 men with ages between 20 and 70 years. Estimated by statistical analysis for descriptive studies of a dichotomous variable with 95% confidence level and selected for convenience


Four cases of 58 people were studied (prevalence of 7%), all cases were in women between 32 to 56 years, 2 people of childbearing age and 2 people of nonfertile age.


The ultrasound prevalence of vesicular lithiasis in asymptomatic individuals was 7%. It is a new topic at national and Latin American level. This study could be of great value for future research related to the subject.

Palabras clave : Bile Stone; Ultrasonography; Prevalence..

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