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Biomedical subjects

Roma Robertson

Publications and source records attributed to Roma Robertson.

3 recordsLinked to original sources
PubMed2006

Predicting colorectal cancer risk in patients with rectal bleeding.

BACKGROUND: Rectal bleeding is an important symptom of colorectal cancer but has low predictive value in primary care. AIM: To determine which characteristics of rectal bleeding, along with other factors, are predictive of colorectal cancer. DESIGN OF STUDY: Observation study of patients with rectal bleeding referred to an open-access diagnostic clinic. SETTING: Primary care, southern England. METHOD: Symptom data were collected, using a self-completed questionnaire. Logistic regression techniques were used to determine predictors of colorectal cancer. RESULTS: There were 604 patients in the study and 22 (3.6%, 95% confidence interval [CI] = 2.0% to 5.2%) were diagnosed with colorectal cancer. Significant predictors of colorectal cancer were found to be age (<50 years: odds ratio [OR] = 1; 50-69 years: OR = 5.1, 95% CI = 1.4 to 18.6; > or = 70 years: OR = 8.2, 95% CI = 2.1 to 31.8) and blood mixed with the stool (Likelihood ratio [LR] 1.5; adjusted OR = 3.8; 95% CI = 1.4 to 10.5). Presence of haemorrhoids associated with bright red bleeding not mixed with stool reduced the likelihood of cancer (OR = 0.4, 95% CI = 0.1 to 1.2) but did not eliminate it--a cancer was present in 2% of patients with these symptoms. CONCLUSION: Patient-reported type of rectal bleeding as an isolated symptom has insufficient diagnostic value to be useful in general practice. By studying referred patients, we may even have overestimated its value. At best, it could be useful as a component of a composite symptom score to guide referral decisions.

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PubMed2003

Electronic transfer of prescription-related information: comparing views of patients, general practitioners, and pharmacists.

BACKGROUND: The National Health Service (NHS) intends to introduce a system of electronic transfer of prescription-related information between general practitioners (GPs) and community pharmacies. The NHS Plan describes how this will be achieved. AIM: To gather opinions of patients, GPs, and community pharmacists on the development of a system of electronic transfer of prescription-related information between GPs and community pharmacies. DESIGN OF STUDY: Survey combining interviews, focus groups, and postal questionnaires. SETTING: General practitioners, opinion leaders, computing experts, pharmacists, and patients. Eight hundred members of the public, 200 GPs, and 200 community pharmacists, all living in Scotland. METHOD: Content-setting interviews and focus groups were conducted with purposive samples of relevant groups. Postal questionnaires were developed and sent to random samples of members of the public selected from the electoral roll, GPs, and community pharmacists. RESULTS: The corrected postal response rates were: 69% (patients); 74% (GPs); and 74% (community pharmacists). All three groups were generally supportive of electronic transfer of prescription-related information. Different aspects appealed to each group: patients anticipated improved convenience; GPs, better repeat prescribing; and pharmacists, an enhanced professional role. Security of patient-identifiable information was the main concern. All groups acknowledged potential benefits of a full primary care information system, but GPs and patients had reservations about allowing community pharmacists to access parts of the medical record that did not concern medication. CONCLUSION: Electronic transfer of prescription-related information is likely to be acceptable to all users, but concerns about patient confidentiality and an extended role for pharmacists in prescription management need to be addressed.

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