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Estudo radiológico do megacólon em área endêmica de doença de Chagas / Radiological study on megacolon cases in an endemic area for Chagas disease
Castro, Cleudson; Hernandez, Esperanza Bernal; Rezende, Joffre; Prata, Aluizio.
  • Castro, Cleudson; s.af
  • Hernandez, Esperanza Bernal; s.af
  • Rezende, Joffre; s.af
  • Prata, Aluizio; s.af
Rev. Soc. Bras. Med. Trop ; 43(5): 562-566, set.-out. 2010. tab
Article in Portuguese | LILACS | ID: lil-564295
RESUMO

INTRODUÇÃO:

Foi realizado estudo radiológico do cólon em pacientes de zona endêmica da doença de Chagas usando-se a técnica do enema opaco simplificado de Ximenes e cols.

MÉTODOS:

Participaram 291 pacientes, com idade media de 48,8 (±12,5) anos, sendo 222 soropositivos para doença de Chagas. Fizeram radiografias na posição ântero-posterior, póstero-anterior e perfil lateral esquerdo, que foram analisadas por inspeção visual e medida do maior diâmetro em centímetros do reto e sigmoide.

RESULTADOS:

À inspeção visual, foi possível diagnosticar megacólon em 14 (6,3 por cento) pacientes chagásicos. A média do diâmetro da ampola retal dos chagásicos 6,3 (±1,0)cm foi semelhante a dos não-chagásicos 6,2 (±1,0)cm (p=0,391) e o diâmetro médio da alça sigmoide dos chagásicos 5 (±1,6)cm foi maior que o dos não chagásicos 4,4 (±0,8 )cm, (p=0,001).

CONCLUSÕES:

Excluindo-se os casos de megacólon evidente e de provável megacólon, a população chagásica continuou com o diâmetro médio do sigmoide significantemente maior (p=0,003) que a não chagásica.
ABSTRACT

INTRODUCTION:

A radiological study on the colon of patients from an endemic Chagas disease zone was conducted using the simplified opaque enema technique of Ximenes et al.

METHODS:

The study involved 291 individuals with a mean age of 48.8(±12.5) years-old, of whom 222 were seropositive for Chagas disease. Anteroposterior, posteroanterior and left lateral view radiographs were analyzed by visual inspection and measurement of the largest rectal and sigmoid diameters.

RESULTS:

From the visual inspection, megacolon was diagnosed in 14 (6.3 percent) Chagas disease patients. The mean diameter of the rectal ampulla among the Chagas patients was 6.3 (±1.0)cm, similar to the measurement in non-Chagas individuals 6.2 (±1.0) cm (p= 0.391). The mean sigmoid loop diameter in the Chagas patients was 5 (±1.6)cm, which was larger than among the non-Chagas individuals 4.4 (±0.8)cm (p= 0.001).

CONCLUSIONS:

excluding the evident and probable megacolon cases, the Chagas disease population continued to present a significantly larger mean sigmoid diameter than that observed among non-Chagas individuals (p= 0.003).
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Chagas Disease / Endemic Diseases / Megacolon Type of study: Prevalence study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Country/Region as subject: South America / Brazil Language: Portuguese Journal: Rev. Soc. Bras. Med. Trop Journal subject: Tropical Medicine Year: 2010 Type: Article

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Full text: Available Index: LILACS (Americas) Main subject: Chagas Disease / Endemic Diseases / Megacolon Type of study: Prevalence study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Country/Region as subject: South America / Brazil Language: Portuguese Journal: Rev. Soc. Bras. Med. Trop Journal subject: Tropical Medicine Year: 2010 Type: Article