Patient-reported diagnostic intervals to colorectal cancer diagnosis in the Midland region of New Zealand: a prospective cohort study.

BACKGROUND AND OBJECTIVES: New Zealand (NZ) has high rates of colorectal cancer (CRC) but low rates of early detection. The majority of CRC is diagnosed through general practice, where lengthy diagnostic intervals are common. We investigated factors contributing to diagnostic delay in a cohort of patients newly diagnosed with CRC. METHODS: Patients were recruited from the Midland region and interviewed about their diagnostic experience using a questionnaire based on a modified Model of Pathways to Treatment framework and SYMPTOM questionnaire. Descriptive statistics were used to describe the population characteristics. Chi-square analysis and logistic regression were used to analyse factors influencing diagnostic intervals. RESULTS: Data from 176 patients were analysed, of which 65 (36.9%) experienced a general practitioner (GP) diagnostic interval of >120 days and 96 (54.5%) experienced a total diagnostic interval (TDI) > 120 days. Patients reporting rectal bleeding were less likely to experience a long TDI (odds ratio [OR] 0.34, 95% confidence interval [CI]: 0.14-0.78) and appraisal/help-seeking interval (OR, 0.19, 95% CI: 0.06-0.59). Patients <60 were more likely to report a longer appraisal/help-seeking interval (OR, 3.32, 95% CI: 1.17-9.46). Female (OR, 2.19, 95% CI: 1.08-4.44) and Maori patients (OR, 3.18, 95% CI: 1.04-9.78) were more likely to experience a long GP diagnostic interval. CONCLUSION: NZ patients with CRC can experience long diagnostic intervals, attributed to patient and health system factors. Young patients, Maori, females, and patients experiencing change of bowel habit may be at particular risk. We need to increase symptom awareness of CRC for patients and GPs. Concentrated efforts are needed to ensure equity for Maori in access to screening, diagnostics, and treatment.

New Zealand has high rates of colorectal cancer but low rates of early detection. We interviewed newly diagnosed patients about their diagnostic experience to identify factors influencing time to diagnosis. More than half of patients experienced a long diagnostic interval. Young patients, Maori, females, and patients experiencing changes of bowel habit may be at particular risk for long intervals. With the diagnostic difficulty of colorectal cancer (CRC), we need to increase CRC symptom awareness for patients and general practitioners.

Outcomes from colonoscopy following referral from New Zealand general practice: a retrospective analysis.

BACKGROUND: New Zealand has high rates of colorectal cancer (CRC) but poor outcomes. Most patients with CRC are diagnosed following referral from general practice, where a general practitioner (GP) assesses symptoms according to national guidelines. All referred patients are then re-prioritised by the hospital system. The first objective of this study was to identify what proportion of patients referred by general practice to surgical/gastroenterology at Waikato District Health Board (DHB) had a colonoscopy. The second objective was to determine what proportion of these referrals have an underlying CRC and the factors associated with the likelihood of this diagnosis. METHODS: This study is a retrospective analysis of e-referral data for patients aged 30-70+ who were referred from 75 general practices to general surgery, gastroenterology or direct to colonoscopy at Waikato DHB, 01 January 2015-31 December 2017. Primary and secondary outcome measures included the proportion and characteristics of patients who were having colonoscopy, and of those, who were diagnosed with CRC. Data were analysed using chi square and logistic regression. RESULTS: 6718/20648 (32.5%) patients had a colonoscopy and 372 (5.5%) of these were diagnosed with CRC. The probability of having CRC following a colonoscopy increased with age (p value < 0.001). Females (p value < 0.001), non-Maori (p value < 0.001), and patients with a high suspicion of cancer (HSCan) label originating from their GP were more likely to have a colonoscopy, while the odds ratio of Maori having a colonoscopy was 0.66 (95% CI 0.60-0.73). The odds ratio of a CRC diagnosis following colonoscopy was 1.67 (95% CI 1.35-2.07) for men compared to women, and 2.34 (95% CI 1.70-3.22) for those with a GP HSCan label. Of the 585 patients referred with a GP HSCan, 423 (72.3%) were reprioritised by the hospital and 55 patients had their diagnosis unnecessarily delayed. CONCLUSIONS: If a GP refers a patient with an HSCan, and the patient receives a colonoscopy, then the likelihood of having CRC is almost 15.0%. This would suggest that these patients should be routinely prioritised without further triage by the hospital. Further research is needed to understand why Maori are less likely to receive a colonoscopy following referral from general practice.

Why does New Zealand have such poor outcomes from colorectal cancer?: the importance of the pre-diagnostic period.

INTRODUCTION Over 3000 cases of colorectal cancer (CRC) are diagnosed annually in New Zealand. The proportion of late stage diagnoses is higher than in similar countries, and highest in Maori and Pacific patients. Survival outcomes are poorer than for people in Australia and poor for Maori and Pacific peoples. A regional screening programme is not yet available to the entire target population (60-74 years). AIM This study reviews research investigating the pre-diagnostic pathway for CRC in New Zealand and how this may contribute to poorer outcomes. METHODS This was a scoping review of original articles examining the pre-diagnostic period for CRC published on the PubMed database between 2009 and 2019. Findings were interpreted within the Model of Pathways to Treatment framework and in context of international evidence. RESULTS In total, 83 publications were assessed; eight studies were included. Studies were mainly older than 5 years, qualitative, and focused on screening. Facilitatory factors for the appraisal and help-seeking intervals increased CRC public awareness and the critical role of general practitioners. No specific facilitatory or inhibitory factors were identified for the diagnostic interval, but two studies found that time frames did not meet national and international targets. One study discovered longer pre-diagnostic intervals were associated with younger age at diagnosis. DISCUSSION Limited recent research has investigated the CRC pre-diagnostic pathways in NZ. Identification of facilitatory and inhibitory factors and implementation of appropriate strategies to improve them alongside the wider uptake of the screening programme may improve stage at diagnosis and outcomes for New Zealand CRC patients.

Ha Ora: secondary care barriers and enablers to early diagnosis of lung cancer for Maori communities.

BACKGROUND: Lung Cancer is the leading cause of cancer deaths in Aotearoa New Zealand. Maori communities in particular have higher incidence and mortality rates from Lung Cancer. Diagnosis of lung cancer at an early stage can allow for curative treatment. This project aimed to document the barriers to early diagnosis and treatment of lung cancer in secondary care for Maori communities. METHODS: This project used a kaupapa Maori approach. Nine community hui (focus groups) and nine primary healthcare provider hui were carried out in five rural localities in the Midland region. Community hui included cancer patients, whanau (families), and other community members. Healthcare provider hui comprised staff members at the local primary healthcare centre, including General Practitioners and nurses. Hui data were thematically analysed. RESULTS: Barriers and enablers to early diagnosis of lung cancer were categorised into two broad themes: Specialist services and treatment, and whanau journey. The barriers and enablers that participants experienced in specialist services and treatment related to access to care, engagement with specialists, communication with specialist services and cultural values and respect, whereas barriers and enablers relating to the whanau journey focused on agency and the impact on whanau. CONCLUSIONS: The study highlighted the need to improve communication within and across healthcare services, the importance of understanding the cultural needs of patients and whanau and a health system strategy that meets these needs. Findings also demonstrated the resilience of Maori and the active efforts of whanau as carers to foster health literacy in future generations.

Indigenous perspectives on breaking bad news: ethical considerations for healthcare providers.

Most healthcare providers (HCPs) work from ethical principles based on a Western model of practice that may not adhere to the cultural values intrinsic to Indigenous peoples. Breaking bad news (BBN) is an important topic of ethical concern in health research. While much has been documented on BBN globally, the ethical implications of receiving bad news, from an Indigenous patient perspective in particular, is an area that requires further inquiry. This article discusses the experiences of Maori (Indigenous peoples of New Zealand) lung cancer patients and their families, in order to investigate the ethical implications of receiving bad news. Data collection occurred through 23 semistructured interviews and nine focus groups with Maori lung cancer patients and their families in four districts in the Midland Region of New Zealand: Waikato, Bay of Plenty, Lakes and Tairawhiti. The findings of this study were categorised into two key themes: communication and context. Avenues for best practice include understanding the centrality of the HCP-patient relationship and family ties in the healthcare journey, and providing patients with the full range of viable treatment options including hope, clear advice and guidance when the situation calls for it. Overall, the findings of this study hold implications for providing culturally safe and humanistic cancer care when BBN to Maori and Indigenous patients.

Ha Ora: Barriers and enablers to early diagnosis of lung cancer in primary healthcare for Maori communities.

OBJECTIVE: The objective of this research was to document the barriers to early presentation and diagnosis of lung cancer within primary healthcare, identified by Maori whanau (families) and primary healthcare providers in the Midland region of Aotearoa New Zealand. METHODS: This project used a kaupapa Maori approach. Nine community hui (focus groups) and nine primary healthcare provider hui were carried out in five rural localities in the Midland region. Each community hui included cancer patients, whanau, and other community members. Each healthcare provider hui comprised staff members at the local primary healthcare centre, including General Practitioners and nurses. Hui data were thematically analysed. RESULTS: Barriers and enablers to early diagnosis of lung cancer were categorised into three key themes: GP relationship and position in the community, health literacy and pathways to diagnosis. CONCLUSION: This study demonstrates that culturally responsive, patient-centred healthcare, and positive GP-patient relationships are significant factors for Maori patients and whanau serving as barriers and enablers to early diagnosis of lung cancer.

Barriers and facilitators to colorectal cancer diagnosis in New Zealand: a qualitative study.

BACKGROUND: New Zealand (NZ) has high rates of colorectal cancer but low rates of early diagnosis. Due to a lack of understanding of the pre-diagnostic experience from the patient's perspective, it is necessary to investigate potential patient and health system factors that contribute to longer diagnostic intervals. Previous qualitative studies have discussed delays using The Model of Pathways to Treatment, but this has not been explored in the NZ context. This study aimed to understand the patient experience and perception of their general practitioner (GP) through the diagnostic process in the Waikato region of NZ. In particular, we sought to investigate potential barriers and facilitators that contribute to longer diagnostic intervals. METHODS: Ethical approval for this study was granted by the New Zealand Health and Disability Ethics Committee. Twenty-eight participants, diagnosed with colorectal cancer, were interviewed about their experience. Semi-structured interviews were audio recorded, transcribed verbatim and analysed thematically using The Model of Pathways to Treatment framework (intervals: appraisal, help-seeking, diagnostic). RESULTS: Participant appraisal of symptoms was a barrier to prompt diagnosis, particularly if symptoms were normalised, intermittent, or isolated in occurrence. Successful self-management techniques also resulted in delayed help-seeking. However if symptoms worsened, disruption to work and daily routines were important facilitators to seeking a GP consultation. Participants positively appraised GPs if they showed good technical competence and were proactive in investigating symptoms. Negative GP appraisals were associated with a lack of physical examinations and misdiagnosis, and left participants feeling dehumanised during the diagnostic process. However high levels of GP interpersonal competence could override poor technical competence, resulting in an overall positive experience, even if the cancer was diagnosed at an advanced stage. Maori participants often appraised symptoms inclusive of their sociocultural environment and considered the impact of their symptoms in relation to family. CONCLUSIONS: The findings of this study highlight the importance of tailored colorectal cancer symptom communication in health campaigns, and indicate the significance of the interpersonal competence aspect of GP-patient interactions. These findings suggest that interpersonal competence be overtly displayed in all GP interactions to ensure a higher likelihood of a positive experience for the patient.

Patient and carer perceived barriers to early presentation and diagnosis of lung cancer: a systematic review.

BACKGROUND: Lung cancer is typically diagnosed at a late stage. Early presentation and detection of lung cancer symptoms is critical to improving survival but can be clinically complicated and as yet a robust screening method for diagnosis is not available in routine practice. Accordingly, the barriers to help-seeking behaviour and diagnosis need to be considered. This review aimed to document the barriers to early presentation and diagnosis of lung cancer, based on patient and carer perspectives. METHODS: A systematic review of databases was performed for original, English language articles discussing qualitative research on patient perceived barriers to early presentation and diagnosis of lung cancer. Three major databases were searched: Scopus, PubMed and EBSCOhost. References cited in the selected studies were searched for further relevant articles. RESULTS: Fourteen studies met inclusion criteria for review. Barriers were grouped into three categories: healthcare provider and system factors, patient factors and disease factors. CONCLUSIONS: Studies showed that the most frequently reported barriers to early presentation and diagnosis of lung cancer reported by patients and carers related to poor relationships between GPs and patients, a lack of access to services and care for patients, and a lack of awareness of lung cancer symptoms and treatment. Addressing these barriers offers opportunities by which rates of early diagnosis of lung cancer may be improved.

Characteristics of lung cancers and accuracy and completeness of registration in the New Zealand Cancer Registry.

AIMS: This study aims to report the characteristics of newly diagnosed lung cancer cases, and to examine the data accuracy of registrations in the New Zealand Cancer Registry (NZCR) in 2011-2015. METHODS: The accuracy and completeness of lung cancer registrations in the NZCR was explored using the Midland Lung Cancer Register (MLCR, including Lakes, Waikato, Tairawhiti and Bay of Plenty District Health Boards) and clinical records. A combined Midland Lung Cancer Dataset was created based on the NZCR and the MLCR. The characteristics of lung cancer cases was described and compared between Maori and non-Maori patients. The subgroup differences were examined by Chi-Square tests. The odds ratio of having small cell lung cancer compared to non-small cell lung cancer between Maori patients and non-Maori patients was estimated using the logistic regression model. RESULTS: The combined Midland Lung Cancer Dataset included 2,057 verified lung cancer registrations, including 656 (31.9%) Maori patients and 1,401 (68.1%) non-Maori patients. Maori patients were more likely to be diagnosed at a younger age, more likely to be female, more likely to be a current or ex-smoker and more likely to have small cell lung cancer than non-Maori. The difference of cancer stage at diagnosis between Maori and others was not significant. After adjustment, the odds ratio of having small cell lung cancer for Maori patients compared to non-Maori patients was 1.55 (95% CI: 1.17-2.05). The adjusted odds ratio of having small cell lung cancer was 4.06 (95% CI: 1.72-9.60) for current smokers and 2.68 (95% CI: 1.14-6.30) for ex-smokers compared to patients who never smoked. CONCLUSIONS: Combining the two sources of data gives a more complete picture of the incidence and tumour characteristics of lung cancer in our region. Our dataset suggests that Maori patients are more likely to have small cell lung cancer than non-Maori patients.

The New Zealand PIPER Project: colorectal cancer survival according to rurality, ethnicity and socioeconomic deprivation-results from a retrospective cohort study.

AIM: To investigate differences in survival after diagnosis with colorectal cancer (CRC) by rurality, ethnicity and deprivation. METHODS: In this retrospective cohort study, clinical records and National Collections data were merged for all patients diagnosed with CRC in New Zealand in 2007-2008. Prioritised ethnicity was classified using New Zealand Cancer Registry data; meshblock of residence at diagnosis was used to determine rurality and socioeconomic deprivation. RESULTS: Of the 4,950 patients included, 1,938 had died of CRC by May 2014. The five-year risks of death from CRC were: Maori 47%; Pacific 59%; non-Maori-non-Pacific (nMnP) 38%. After adjustment for demographic characteristics, comorbidity and disease stage at diagnosis, compared to nMnP the relative risk (RR) for Maori was 1.1 (95%CI: 0.8-1.3) and for Pacific 1.8 (95% CI: 1.4-2.5). We found no differences in risk of death from CRC by rurality, but some differences by deprivation. CONCLUSIONS: Disparity in outcome following diagnosis with CRC exists in New Zealand. Much of this disparity can be explained by stage of disease at diagnosis for Maori, but for Pacific peoples and those in deprived areas other factors may influence outcome. Further analyses of the PIPER data will explore the impact of any differences in management.

Mortality within 30 days of systemic anticancer therapy at a tertiary cancer centre: assessing the safety and quality of clinical care.

AIMS: Thirty-day mortality has been proposed to be a useful indicator of avoidable harm to patients from systemic anticancer therapies (SACT). As a quality assurance tool, we assessed the 30-day mortality rate at Auckland City Hospital and compared this with international standards. METHODS: Clinical characteristics and treatment details of medical oncology patients who died within 30 days of SACT from October 2014-September 2015 were collected and compared with data from a similar series performed from October 2008-September 2009. SACT was limited to chemotherapy or biologic agents. RESULTS: From October 2014-September 2015, 1,965 patients received 2,145 treatment regimens. Forty-seven patients (2.2%) died within 30 days of SACT. Treatment was given with palliative intent in 42 patients (in 89%) and curative intent in five (11%). Mortality rates did not change with time (2.8% in 2009 vs 2.2% in 2015). Of the patient who died within 30 days, ECOG performance status at the time of chemotherapy was one in 16 patients (34.0%), two in nine patients (19.1%) and 3/4 in nine of the 47 patients (19.1%). All patients treated with curative intent had a PS of 0 or 1. Most patients who died within 30 days were on first- or second-line therapy (45 and 38% respectively). Two-thirds of patients with a PS of 3/4 were receiving first-line therapy. Approximately half the patients died during their first cycle of therapy (48.9%). CONCLUSIONS: Our local 30-day mortality data compares favourably to international benchmarks of 5% and has not increased over time. Performance of similar studies locally and nationally should be undertaken to continue to assess and improve the quality of our patient care.

Methods of a national colorectal cancer cohort study: the PIPER Project.

AIM: Colorectal cancer is one of the most common cancers, and second-leading cause of cancer-related death, in New Zealand. The PIPER (Presentations, Investigations, Pathways, Evaluation, Rx [treatment]) project was undertaken to compare presentation, investigations, management and outcomes by rurality, ethnicity and deprivation. This paper reports the methods of the project, a comparison of PIPER patient diagnoses to the New Zealand Cancer Registry (NZCR) data, and the characteristics of the PIPER cohort. METHOD: National, retrospective cohort review of secondary care medical records (public and private) of all cases of ICD-10-AM C18-C20 on the NZCR in the calendar years 2007 and 2008 (main cohort) and an extended sample of Maori and Pacific cases, and non-Maori non-Pacific controls in 2006 and 2009 (extended cohort). RESULTS: Of the 6,387 patients identified from the NZCR 5,610 (88%) were eligible for PIPER. Reasons for exclusion were non-adenocarcinoma histology (3%) and non-colorectal primary (2%). Data were collected on 3,695 patients with colon cancer, 1,385 with rectal cancer and 466 with cancer of the recto sigmoid junction. CONCLUSIONS: The PIPER Project has generated comprehensive population level data detailing the diagnosis and management of colorectal adenocarcinoma in New Zealand. This will be used to assess the care provided to patients, and the impact of variations in care occurring between patient groups.