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1.
EuropePMC; 2021.
Preprint in English | EuropePMC | ID: ppcovidwho-306994

ABSTRACT

Background: Safety netting in primary care is considered an important intervention for managing diagnostic uncertainty. This is the first study to examine how patients understand and interpret safety netting advice around low-risk potential lung cancer symptoms, and how this affects reconsultation behaviours. Methods Qualitative dyadic interview study in UK primary care. Pre-covid-19, five patients were interviewed face-to-face twice (shortly after a primary care consultation for potential lung cancer symptom(s) and 2–5 months later). The general practitioner (GP) they last saw was interviewed face-to-face once. During the covid-19 pandemic, an additional 15 patients were interviewed once via telephone. Audio-recorded interviews were transcribed verbatim and analysed using a mix of inductive and deductive thematic analysis. Results The findings from our thematic analysis suggest that patients prefer active safety, as part of thorough and logical diagnostic uncertainty management. Passive safety netting may be perceived as dismissive and cause delayed reconsultation. GP safety netting strategies are not always understood, potentially causing patient worry and dissatisfaction. Telephone consultations and the diagnostic overshadowing of COVID-19 on respiratory symptoms impacted GPs’ safety netting strategies and patients’ appetite for active follow up measures. Conclusions Safety netting guidelines do not yet offer solutions that have been proven to promote symptom vigilance and timely reconsultation for low-risk lung cancer symptoms. Patients prefer active safety netting coupled with thorough consultation techniques and a comprehensible diagnostic strategy, and may respond adversely to passive safety netting advice.

2.
Gut ; 70(6): 1006-1007, 2021 06.
Article in English | MEDLINE | ID: covidwho-1219569
3.
Br J Cancer ; 124(7): 1231-1236, 2021 03.
Article in English | MEDLINE | ID: covidwho-1065853

ABSTRACT

BACKGROUND: The faecal immunochemical test (FIT) was introduced to triage patients with low-risk symptoms of possible colorectal cancer in English primary care in 2017, underpinned by little primary care evidence. METHODS: All healthcare providers in the South West of England (population 4 million) participated in this evaluation. 3890 patients aged ≥50 years presenting in primary care with low-risk symptoms of colorectal cancer had a FIT from 01/06/2018 to 31/12/2018. A threshold of 10 µg Hb/g faeces defined a positive test. RESULTS: Six hundred and eighteen (15.9%) patients tested positive; 458 (74.1%) had an urgent referral to specialist lower gastrointestinal (GI) services within three months. Forty-three were diagnosed with colorectal cancer within 12 months. 3272 tested negative; 324 (9.9%) had an urgent referral within three months. Eight were diagnosed with colorectal cancer within 12 months. Positive predictive value was 7.0% (95% CI 5.1-9.3%). Negative predictive value was 99.8% (CI 99.5-99.9%). Sensitivity was 84.3% (CI 71.4-93.0%), specificity 85.0% (CI 83.8-86.1%). The area under the ROC curve was 0.92 (CI 0.86-0.96). A threshold of 37 µg Hb/g faeces would identify patients with an individual 3% risk of cancer. CONCLUSIONS: FIT performs exceptionally well to triage patients with low-risk symptoms of colorectal cancer in primary care; a higher threshold may be appropriate in the wake of the COVID-19 crisis.


Subject(s)
Colorectal Neoplasms/diagnosis , Feces/chemistry , Occult Blood , Primary Health Care , Anemia, Iron-Deficiency/complications , Colorectal Neoplasms/complications , Colorectal Neoplasms/physiopathology , England , Female , Hemoglobins/analysis , Humans , Male , Middle Aged , Risk Factors , Sensitivity and Specificity , Weight Loss
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