BACKGROUND: Colonoscopy is one of the methods of choice for screening relatives of patients with colorectal cancer. OBJECTIVE: To evaluate the rate of adherence to colonoscopy in first-degree relatives of patients with colorectal cancer and describe the lesions found. METHODS: A prospective, cross-sectional, multicentre, nationwide study was conducted. The study population was composed of first-degree relatives of patients with colorectal cancer selected randomly from the EPICOLON study. Seventy-four index patients were included. These had 342 living first-degree relatives (parents, siblings and children), of whom 281 were interviewed. RESULTS: The adherence rate was 38% (107/281). Adherence was greater in families with a higher degree of familial aggregation for colorectal cancer (88.9% for Amsterdam vs 33.3% for Bethesda and sporadic cancer; p<0.05), an index patient aged under 65 years (60% for patients <65 years vs 32.9% for patients >or=65 years; p<0.05) and an index patient who was female (46.2% for women vs 31% for men; p = 0.28). Adherence was also greater in relatives under 65 years (54% in patients <65 years vs 18% in patients >or=65 years; p = 0.05), in female relatives (49% in female relatives vs 27.3% in male relatives; p<0.05) and in siblings and children (40% in siblings and children vs 13% in parents; p<0.05). Lesions were found in 26% (28/107) of the study population. Nine (8.4%) individuals had a total of 18 advanced lesions. CONCLUSIONS: These results indicate that adherence to colonoscopy in our population of first-degree relatives was low. The adherence was more frequently associated with a higher degree of familial aggregation, a relative age of under 65 years, a sibling or offspring relationship, and female sex.
BACKGROUND: Colonoscopy is one of the methods of choice for screening relatives of patients with colorectal cancer. OBJECTIVE: To evaluate the rate of adherence to colonoscopy in first-degree relatives of patients with colorectal cancer and describe the lesions found. METHODS: A prospective, cross-sectional, multicentre, nationwide study was conducted. The study population was composed of first-degree relatives of patients with colorectal cancer selected randomly from the EPICOLON study. Seventy-four index patients were included. These had 342 living first-degree relatives (parents, siblings and children), of whom 281 were interviewed. RESULTS: The adherence rate was 38% (107/281). Adherence was greater in families with a higher degree of familial aggregation for colorectal cancer (88.9% for Amsterdam vs 33.3% for Bethesda and sporadic cancer; p<0.05), an index patient aged under 65 years (60% for patients <65 years vs 32.9% for patients >or=65 years; p<0.05) and an index patient who was female (46.2% for women vs 31% for men; p = 0.28). Adherence was also greater in relatives under 65 years (54% in patients <65 years vs 18% in patients >or=65 years; p = 0.05), in female relatives (49% in female relatives vs 27.3% in male relatives; p<0.05) and in siblings and children (40% in siblings and children vs 13% in parents; p<0.05). Lesions were found in 26% (28/107) of the study population. Nine (8.4%) individuals had a total of 18 advanced lesions. CONCLUSIONS: These results indicate that adherence to colonoscopy in our population of first-degree relatives was low. The adherence was more frequently associated with a higher degree of familial aggregation, a relative age of under 65 years, a sibling or offspring relationship, and female sex.
Authors: Sidney Winawer; Robert Fletcher; Douglas Rex; John Bond; Randall Burt; Joseph Ferrucci; Theodore Ganiats; Theodore Levin; Steven Woolf; David Johnson; Lynne Kirk; Scott Litin; Clifford Simmang Journal: Gastroenterology Date: 2003-02 Impact factor: 22.682
Authors: S Sutton; J Wardle; T Taylor; K McCaffery; S Williamson; R Edwards; J Cuzick; A Hart; J Northover; W Atkin Journal: J Med Screen Date: 2000 Impact factor: 2.136
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