Methodological approaches to measuring the incidence of unplanned emergency department presentations by cancer patients receiving systemic anti-cancer therapy: a systematic review

Background

The need to mitigate the volume of unplanned emergency department (ED) presentations is a priority for health systems globally. Current evidence on the incidence and risk factors associated with unplanned ED presentations is unclear because of substantial heterogeneity in methods reporting on this issue. The aim of this review was to examine the methodological approaches to measure the incidence of unplanned ED presentations by patients receiving systemic anti-cancer therapy in order to determine the strength of evidence and to inform future research.

Methods

An electronic search of Medline, Embase, CINAHL, and Cochrane was undertaken. Papers published in English language between 2000 and 2019, and papers that included patients receiving systemic anti-cancer therapy as the denominator during the study period were included. Studies were eligible if they were analytical observational studies. Data relating to the methods used to measure the incidence of ED presentations by patients receiving systemic anti-cancer therapy were extracted and assessed for methodological rigor. Findings are reported in accordance with the Synthesis Without Meta-Analysis (SWiM) guideline.

Results

Twenty-one articles met the inclusion criteria: 20 cohort studies, and one cross-sectional study. Overall risk of bias was moderate. There was substantial methodological and clinical heterogeneity in the papers included. Methodological rigor varied based on the description of methods such as the period of observation, loss to follow-up, reason for ED presentation and statistical methods to control for time varying events and potential confounders.

Conclusions

There is considerable diversity in the population and methods used in studies that measure the incidence of unplanned ED presentations by patients receiving systemic anti-cancer therapy. Recommendations to support the development of robust evidence include enrolling participants at diagnosis or initiation of treatment, providing adequate description of regular care to support patients who experience toxicities, reporting reasons for and characteristics of participants who are lost to follow-up throughout the study period, clearly defining the outcome including the observation and follow-up period, and reporting crude numbers of ED presentations and the number of at-risk days to account for variation in the length of treatment protocols.

Supplementary Information

The online version contains supplementary material available at 10.1186/s12874-022-01555-3.

Abstract OT2-04-03: Examining personalized radiation therapy (EXPERT): A randomised phase III trial of adjuvant radiotherapy vs observation in patients with molecularly characterized luminal A breast cancer

Background

Radiation therapy (RT) after breast conserving surgery (BCS) is the current standard of care for patients with early stage breast cancer. However, individual absolute recurrence risks and hence benefits of RT vary substantially. A study showed significant association between local recurrence (LR) risk and PAM50-defined intrinsic subtypes and Risk of Recurrence scores (ROR).1

The objective of EXPERT, a co-lead study of Breast Cancer Trials-Australia & New Zealand (BCT-ANZ), and Breast International Group (BIG), is to optimize local therapy for early breast cancer through precise individualized quantification of LR risk to identify patients for whom RT after BCS may be safely omitted.

Trial design

This is a randomized, non-inferiority, phase III study of women who plan to receive adjuvant endocrine therapy for Prosigna (PAM50)-defined luminal A breast cancer with ROR ≤60 resected by BCS.

Women are randomized to receive adjuvant whole breast RT and endocrine therapy or endocrine therapy alone and followed-up for 10 years after randomization.

Major eligibility criteria

Females aged ≥50 years; histologically confirmed invasive breast carcinoma ≤2 cm, grade 1 or 2, ER and PgR ≥10%, HER2-negative and node-negative; treated by BCS with negative margins for invasive carcinoma and associated DCIS; Prosigna (PAM50)-defined Luminal A subtype and ROR ≤60; and plan to receive adjuvant endocrine therapy.

Specific aims

Primary: To determine if omission of RT is not inferior to RT in terms of LR-free interval after BCS.

Secondary: To evaluate the impact of omission of RT on regional, local-regional and distant recurrence-free interval; disease-free survival (DFS); invasive DFS; overall survival; salvage RT or mastectomy rate; toxicity; endocrine therapy adherence; patient reported outcomes; and health economic outcomes.

Statistical methods

An estimated 5-year LR rate in the target population is expected to be 1% with RT. A rate of 4% is considered non-inferior as a worthwhile trade-off against RT toxicity. Using O'Brien-Fleming boundary for rejecting non-inferiority, 29 LR events are required for final analysis expected 8 years after the first patient is randomized. Two interim analyses will be conducted after 10 and 21 events. If the stratified log-rank test statistic exceeds the upper boundary at interim or final analysis, the hypothesis of non-inferiority will be rejected and it will be concluded that no RT is inferior to RT.

Accrual: Target (1170), actual: 82 (June 2018)

The study was activated in Australia in August 2017, with global activation planned for Q4 2018. Recruitment is expected to be completed in 4.5 years.

Contact information

Professor Boon Chua, UNSW Sydney and Prince of Wales Hospital, NSW, Australia; email boon.chua@health.nsw.gov.au; T +61 2 49255239. Registration: NCT02889874

References

Fitzal F, Filipits M, Fesl C, et al. Predicting local recurrence using PAM50 in postmenopausal endocrine responsive breast cancer patients. JCO 2014;32(15 suppl):1008.

Citation Format: Chua BH, Gray K, Krishnasamy M, Regan M, Zdenkowski N, Loi S, Mann B, Forbes JF, Wilcken N, Spillane A, Martin A, Badger H, Jafari S, Fong A, Mavin C, Corachan S, Arahmani A, Martinez J-L, Francis P. Examining personalized radiation therapy (EXPERT): A randomised phase III trial of adjuvant radiotherapy vs observation in patients with molecularly characterized luminal A breast cancer [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr OT2-04-03.

Does Care for Australians With Pancreatic Cancer Compare Favourably to a Consensus-Based Standard of Optimal Care?

Background: Pancreatic cancer has one of the lowest survival rates of all cancer types, with an incidence to mortality ratio approaching one. People with pancreatic cancer experience a rapid decline in health characterized by pain, nausea, fatigue and weight loss. For most people, the disease is detected at an advanced stage and the focus of treatment is palliative. In Victoria, Australia, knowledge regarding patterns of care for people with pancreatic cancer is out-of-date, but central to quality improvement initiatives targeting unwarranted variations in care and improvement in supports that are consistent with patient preferences. Aim: Our aim was to compare care received by patients with pancreatic cancer with a consensus-based standard representing optimal care to identify deviations from best practice and highlight processes that may improve the quality and safety of care provided. Methods: Eligible patients included those with pancreatic cancer, first treated in 2015, at one of three tertiary hospitals in Victoria, Australia. Once identified, dates and details of events indicated by the optimal care pathway were extracted from the medical record of each patient. Data were summarized using descriptive statistics and process maps: a visualization method that illuminates gaps, duplication, deviations from best practice and processes that may be amenable to improvement. Results: Thirty-two of 165 care pathways have been mapped to date. The nature and timing of care received appears highly variable. Only nine of 32 patients (28%) received all of their cancer care at a single institution; the remainder (n=23, 72%) received care in multiple tertiary and community facilities. Apart from four (13%) emergency presentations, referrals for specialist care came from general/primary practitioners (n=26, 81%). The timeframe for general/primary practitioner investigations ranged from one to 57 days. Once referred to a tertiary setting, most patients (n=23, 72%) were discussed at a multidisciplinary team meeting and received standard therapies. Only four had resectable disease. Nineteen patients (60%) had documented referrals to hospital- or community-based palliative care services. Where observed, deviations from the consensus-based standard tended to be related to the difficult nature of diagnosing pancreatic cancer, and determining appropriate care for patients with an advanced cancer with nonspecific symptoms. Conclusion: Process mapping provided a useful and efficient means of comparing care received with a consensus-based standard; however, the assessment of adherence to optimal timeframes and specific care events was complicated by missing data. Implications for quality improvement activities will be considered in the context of study limitations. We will also emphasize the importance of engaging patients and carers in setting improvement priorities.

Variation in the Quality of Experiences of Cancer Care at Five Large Metropolitan Health Services in Australia: Implications for Performance Measurement and Improvement

Background: Using insights gained from the National Health Service in England, an alliance of organizations committed to cancer control in Australia conducted a large-scale survey aimed at better understanding the quality of cancer care. Aims: To understand sources of variation in the quality of patients' experiences of cancer care; and to identify patients with the largest potential to benefit from strategic quality improvement initiatives. Methods: The Victorian Comprehensive Cancer Centre commissioned a cross-sectional survey of adult cancer patients treated as day cases or inpatients at five partner health services in 2015. Data comprised responses to the National Health Service (NHS) Cancer Patient Experiences Survey, ICD-10-AM codes and postcodes. Some survey items were modified to suit the Australian population based on advice from local experts and consumers. Aspects of care covered by the survey included: timeliness and experience of diagnosis; treatment decision-making; provision of support information; experience of operations, hospital doctors, ward nurses, hospital care and home care and support; experience of care as a day or outpatient; follow-up care with general practitioners; and overall cancer care. Consistent with NHS methodology, cancer care questions were recoded to binary variables reflecting more or less positive experiences and cancer type was defined based on ICD-10-AM codes. Postcodes were converted to an index of relative socioeconomic advantage and disadvantage using an Australian standard. Proportions were used to summarize the characteristics of patients who had more and less positive experiences of cancer care; then, logistic regression was used to model the probability of having less positive experiences. Age, gender, language spoken at home, socioeconomic group and cancer type were included in the models. Univariate models were used to calculate unadjusted odds ratios. Multivariate models were used to calculate the odds ratios of less positive experiences adjusting for patient characteristics and cancer type. Results: A total of 2526 patients completed the survey (response rate: 41%). As a general rule, and consistent with findings from the NHS, a substantial majority of patients (80% or more) reported positively on many aspects of care. Even so, more often than not aggregated data obscured striking disparities between patients diagnosed with different types of cancers. Overall, patients diagnosed with pancreatic cancer fared the worst; more than half reported less favorably on multiple aspects of care. Variation in perceptions of care was not as pronounced for different age groups, genders and language groups and we identified little variation between socioeconomic groups. Conclusion: At the very least, cancer system performance should be appraised by cancer type. Aggregation may conceal gross inequities and thwart attempts to identify those patients most likely to benefit from targeted service improvements.

Finding Your Way When You Have Metastatic Breast Cancer: Codesigning Resources With Consumers for Consumers. The Signpost Study

Background: In Australia, women with metastatic breast cancer are not systematically made aware of or helped to access supportive care resources. Finding resources tailored to their needs can be challenging as they spread across several healthcare and advocacy organizations. Furthermore, resources assume varying levels of knowledge about the disease and its treatments, are fragmented and are dispersed across multiple organizations. Aim: The aim of our study was to codesign a signpost resource to direct women to key supportive care organizations that provide relevant, timely and comprehensive support for them; ensure women are made aware of and know how to access support they need, as and when they need it; and ensure that health professionals are aware of the resource, support its use, and distribute it to women. Methods: Using a codesign framework, initial development of the resource was guided by consumer representation on the study Steering Group. The resource was then presented to women living with metastatic breast cancer, and their advice obtained about its relevance and functionality during semistructured interviews. Purposive sampling based on age, time since diagnosis and geographical location (metro/regional), was used to obtain a variety of perspectives. Open-ended questions explored what the resource should contain, look like, and how it could best be introduced and distributed. An iterative descriptive analytical approach was applied. Results: Seven women aged 40-61 years were interviewed. Time since their metastatic breast cancer diagnosis ranged from 5 months to 19 years. Women told us about their preferences for style, content and format for the resource. They also guided discussion about how best to promote the resources in a way that both informed health professionals but also empowered women to find and express a need for support. As a result, 2 videos were produced. In the first 3-minute video for health professionals, consumers powerfully convey messages about the impact of their diagnosis, their need for support and how important it is for health professionals to “value and believe there are emotional, social and material aspects of coping with the disease” (this video will be shared in the presentation). In the second 4-minute video, consumers endorse the need for information and support, and women and consumers watching the video are introduced to the services provided by supportive care organizations profiled on the resource. Conclusion: Resources created and tailored by consumers for consumers are powerful and important. Consumer-led interventions that demonstrate to health professionals the importance of supportive care as a cornerstone of excellent cancer care may have a considerable impact but require empirical testing.

Immunotherapy in Advanced Melanoma: Patient and Informal Caregiver Perspectives

Background: Immunotherapy has dramatically changed the treatment landscape and survival outcomes for patients with advanced melanoma. However, the success rates for immunotherapy are varied, and unpredictable. Immunotherapy can result in a range of treatment related toxicities, many of which can impact significantly on quality of life (QoL); or become life-threatening. Immunotherapies are administered in an ambulatory setting and as such, much of the responsibility for side-effect recognition, reporting, and monitoring falls to patients and their informal caregivers. Given the importance of early side-effect identification and management, it is important to understand the patient and caregiver experience of immunotherapy to facilitate patient safety. Aim: To: Explore the experiences of patients with advanced melanoma who received immunotherapy, and their informal caregivers Investigate the impact of immunotherapy treatment (in particular toxicities) on QoL of patients and their caregivers Identify behaviors and strategies patients and caregivers' used to manage immunotherapy treatment and toxicities. Methods: This cross-sectional, exploratory study used qualitative interviews with patients with stage IV melanoma who had completed, or were receiving nivolumab, pembrolizumab or ipilimumab as monotherapy, and their caregivers. Analysis used interpretive description methodology. Results: Twenty three patients and nine caregivers took part. Patients and caregivers discussed feelings of uncertainty regarding immunotherapy efficacy and toxicities; and raised concerns about correctly identifying relevant and reportable symptoms. Some participants did not see the link between symptoms experienced and treatment despite being satisfied with the level of information provided by their healthcare team. This highlights a potential lack of understanding about side-effects and/or deficiencies in the way treatment education is delivered. This was particularly concerning when resulting in delayed nursing or medical intervention. Findings identified the integral role caregivers have in the care of patients receiving immunotherapy. Conclusion: Despite immunotherapy improving survival rates for many patients with melanoma their QoL, and that of their caregivers can be negatively impacted by uncertainty about efficacy and the identification and reporting of potential side effects. Patient and caregiver experience may be improved with better education about what to expect, provided in various formats and at multiple time points, in conjunction with defined pathways for rapid access to the nursing and medical advice.

Development and evaluation of an online educational resource about cancer survivorship for cancer nurses: a mixed-methods sequential study

Cancer survivorship is recognised globally as a key issue. In spite of the key role played by nurses in survivorship care, there is an identified gap in nurse's knowledge in this area. This study reports on the development and evaluation of an educational resource for nurses working with people affected by cancer. The resource was designed using adult learning principles and includes a variety of learning materials and point of care resources. A mixed-methods sequential exploratory design was used to undertake an evaluation of the programme. This included the use of online surveys and semi-structured interviews with pilot participants. A total of 21 participants completed an online survey and 11 participants completed a telephone interview. Overall, the participants found the Cancer Survivorship resource to be engaging, practical and intuitive. A major theme emerging from the survey and interview data was that the resource was applicable to practice and useful in developing survivorship care plans. Respondents requested additional information be included on the role of various health professionals working in survivorship as well as guidelines on when to make referrals. This study provides evidence that the Cancer Survivorship tool may be a promising vehicle for delivering evidence-based education on survivorship care.

Interventions to improve patient understanding of cancer clinical trial participation: a systematic review

Patient misunderstanding of cancer clinical trial participation is identified as a critical issue and researchers have developed and tested a variety of interventions to improve patient understanding. This systematic review identified nine papers published between 2000 and 2013, to evaluate the effects of interventions to improve patient understanding of cancer clinical trial participation. Types of interventions included audio-visual information, revised written information and a communication training workshop. Interventions were conducted alone or in combination with other forms of information provision. The nine papers, all with methodological limitations, reported mixed effects on a small range of outcomes regarding improved patient understanding of cancer clinical trial participation. The methodological limitations included: (1) the intervention development process was poorly described; (2) only a small element of the communication process was addressed; (3) studies lacked evidence regarding what information is essential and critical to enable informed consent; (4) studies lacked reliable and valid outcome measures to show that patients are sufficiently informed to provide consent; and (5) the intervention development process lacked a theoretical framework. Future research needs to consider these factors when developing interventions to improve communication and patient understanding during the informed consent process.

Initial evaluation of the training programme for health care professionals on the use of Malaysian clinical practice guidelines for management of dementia

OBJECTIVE

The Malaysian Clinical Practice Guidelines (CPG) for Management of Dementia (second edition) was launched in April 2010 by the Ministry of Health Malaysia. A training programme for the management of dementia, involving all categories of staff working at primary and secondary centres, was implemented to ensure that care delivery for people with dementia was in accordance with the guidelines. The study aimed to look into improving knowledge and understanding of dementia following training, and to evaluate the effectiveness of the training programme using a clinical audit indicator recommended in the guidelines.

METHODS

The study entailed 2 phases (at national and state levels). The first phase involved the CPG training programme run as a 1.5-day workshop, in which participants filled up pre- and post-workshop questionnaires. A second phase involved analysing all the referral letters to the memory clinic at the Hospital Sultan Ismail, Johor Bahru 1 year before and after the training programme.

RESULTS

There was a significant improvement in knowledge about dementia and its management among the health care professionals following training. The mean percentage score for the pre-workshop test was 63% while for the post-workshop test it was 78%, giving a difference of 15%. Although there was an overall improvement in knowledge gain following training in both specialist and non-specialist groups, these differences were not statistically significant (t = 1.32; 95% confidence interval, -2.61 to 9.61; p = 0.25). The proportion of referrals with a possible diagnosis of dementia from primary clinic referrals to the memory clinic also increased from 18% to 44% after training.

CONCLUSION

There was an overall improvement in the knowledge about dementia among the health care professionals following the training, which was reflected in the increase in referrals to the memory clinic. Although the initial results appeared to be promising, a multicentre study is warranted to conclude that the training had been effective.

Oxyspiruriasis in zoo birds

Oxyspiruriasis caused by the bird eyeworm, Oxyspirura mansoni, a thelaziid nematode, in three species of pheasants, 3 Chrysolophus pictus (golden pheasant), 7 Lophura nycthemera (silver pheasant) and 9 Phasianus colchicus (common pheasant) in Zoo Negara Malaysia are reported. Birds with the disease were treated with a solution of 0.5% iodine or 0.5% lysol. Antistress powder for 4 days in water and non-strep vitamin powder in water was also provided. Control measures included removal of the cockroach intermediate host, Pycnoscelus surinamensis (Surinam cockroach) from the vicinity of the birds. The golden pheasant is a new host for O. mansoni in peninsular Malaysia.

Ectoparasite fauna of rodents and shrews from four habitats in Kuala Lumpur and the states of Selangor and Negeri Sembilan, Malaysia and its public health significance

A total of 204 rodents comprising 14 host species from four different habitats were examined. Nine rodent species were trapped from the forest and another five species were trapped from the coastal, rice field and urban habitats. Rattus rattus diardii (67%) was the predominant rodent species examined. Fifty six (47.3%) rodents and shrews were found to be infested with at least one of the 20 species of ectoparasite recovered. Mites belonging to the family Trombiculidae were the predominant ectoparasite species recovered. Ticks belonging to the family Ixodidae were recovered mainly from the forest dwelling rodents. Polyplax spinulosa and Hoplopleura pacifica were the common lice species found infesting the urban rodents. Xenopsylla cheopis was the only flea species recovered. The following ecto-parasites have been incriminated as important vectors or as mechanical carriers for the transmission of zoonotic diseases: Ixodes granulatus, Dermacentor sp. Haemaphysalis sp., Amblyomma sp. Ascoschoengastia indica, Leptotrombidium deliense, Ornithonyssus bacoti, Laelaps nuttalli, H. pacifica, P. spinulosa and Xenopsylla cheopis. Urban and forest rodents were significantly higher in ecto-parasitic infestation, compared to rats from the other two habitats. However, there was no significant statistical association between male and female rodents infested with ectoparasites.

Endo-parasite fauna of rodents caught in five wet markets in Kuala Lumpur and its potential zoonotic implications

Rodents were collected from five wet markets (Chow Kit, Dato Keramat, Setapak, Jinjang and Kepong) in Kuala Lumpur, Federal Territory between March to April 2006. Ninety seven rats were trapped using wire traps measuring 29 x 22 x 50 cm baited with fruits, coconuts, dried fish or sweet potatoes. A total of 17 different species of parasites were identified from three species of rats out of which 11 (65%) were identified to be zoonotic. The helminths identified from the urban rats were nematodes- Capillaria hepatica, Gongylonema neoplasticum, Heterakis spumosa, Heterakis sp., Masterphorus muris, Nippostrongylus brasiliensis, Physolaptera sp., Pterogodermatis sp., Rictularia tani and Syphacia muris; cestodes- Hymenolepis nana, Hymenolepis diminuta, Hymenolepis sabnema, Hymenolepis sp., Raillietina sp. and Taenia taeniaeformis, and acanthocephalan- Moniliformis moniliformis. The following parasites are of potential medical importance: C. hepatica, G. neoplasticum, R. tani, S. muris, H. diminuta, H. nana, Raillietina sp. and T. taeniaeformis.

The development of audio-visual materials to prepare patients for medical procedures: an oncology application

This paper describes a systematic process for the development of educational audio-visual materials that are designed to prepare patients for potentially threatening procedures. Literature relating to the preparation of patients for potentially threatening medical procedures, psychological theory, theory of diffusion of innovations and patient information was examined. Four key principles were identified as being important: (1) stakeholder consultation, (2) provision of information to prepare patients for the medical procedure, (3) evidence-based content, and (4) promotion of patient confidence. These principles are described along with an example of the development of an audio-visual resource to prepare patients for chemotherapy treatment. Using this example, practical strategies for the application of each of the principles are described. The principles and strategies described may provide a practical, evidence-based guide to the development of other types of patient audio-visual materials.

Notes on some ectoparasites received by the Medical Entomology Unit, Institute for Medical Research

There were a spate of recent complaints of insect bites and the entomological specimens received from various sources were identified to be those of cat flea (Ctenocephalides felis) and rat flea (Xenopsylla cheopis), the tropical bed-bug (Cimex hemipterus) and the dog louse (Heterodoxus spiniger). Only the fleas and the bed-bug are known to attack humans.

Helminth infections in small mammals from Ulu Gombak Forest Reserve and the risk to human health

A survey for small mammal parasites carried out in a secondary forest of Ulu Gombak, Selangor, Peninsula Malaysia yielded the following animals: Rattus bowersi (7), Rattus tiomanicus jalorensis (2), Maxomys rajah (12), Maxoyms whiteheadi (3), Leopoldamys sabanus(13), Sundamys muelleri(10), Lariscus insignis (1), Sundasciurus tenuis (1) and Tupaia glis (2). The following nematodes: Capillaria hepatica, Hepatojarakus malayae, Trichostrongylus sp. and Streptopharagus sp., the following cestodes: Hymenolepis sp., Raillietina sp. and Taenia taeniaformis; and trematode, Zonorchis sp. from Tupaia glis were recovered. No parasites were observed during blood examination. No endoparasite was seen in Maxomys whiteheadi, Lariscus insignis and Sundasciurus tenuis. The following parasites, Capillaria hepatica, Hymenolepis sp., Raillietina sp. and Taenia taeniaformis are considered of medical importance.

First report of mermithid parasitism (Nematoda: Mermithidae) in mosquitoes (Diptera: Culicidae) from Lao PDR

Unidentified mermithid nematodes were found in the abdominal cavity of three species of Anopheles mosquitoes from LAO PDR. This is a first record of mermithid nematodes in adult mosquitoes from Lao PDR. Two worms were found in each adult host and the infection was more prevalent in the northern region compared to the south.

A fatal case of anaphylactic shock caused by the lesser banded hornet, Vespa affinis indosinensis in peninsular Malaysia

The hornets are a group of venomous stinging insects that at times cause human death. A fatal case of a child stung by the lesser banded hornet Vespa affinis indosinesis is reported. Though often covered by the mass media, this constitutes the first scientifically reported case.

Review of forensically important entomological specimens in the period of 1972 - 2002

Forensic entomological specimens received by the Unit of Medical Entomology, IMR., from hospitals and the police in Malaysia in the last 3 decades (1972 - 2002) are reviewed. A total of 448 specimens were received. From these, 538 identifications were made with the following results: Eighteen species of cyclorrphaga flies were identified consisting of Chrysomya megacephala (Fabricius) 215 cases (47.99%), Ch. rufifacies (Masquart) 132 (29.46%), Ch. villeneuvi Patton 10 (2.23%), Ch. nigripes Aubertin 7 (1.56%), Ch. bezziana Villeneuve 4 (0.89%), Ch. pinguis (Walker) 1 (0.22%), Chrysomya sp. 47 (10.49%), Sarcophaga sp. 28 (6.25%), Lucilia sp. 21 (4.69%), Hermetia sp. 15 (3.35%), He. illucens (Linnaeus) 1 (0.22%), Hemipyrellia ligurriens (Wiedemann) 3 (0.67%), Hemipyrellia sp. 2 (0.45%), Ophyra spinigera 1 (0.22%), Ophyra sp. 6 (1.34%), Calliphora sp. 24 (5.36%), Synthesiomyia nudiseta (Wulp) 1 (0.22%) and Eristalis sp. 1 (0.22%). Other non - fly insect specimens are Pthirus pubis (Linnaeus) (Pubic louse) 2 (0.45%) and Coleoptera (Beetles) 1 (0.22%). Ch. megacephala and Ch. rufifacies were the commonest species found in cadavers from different ecological habitats. Sy. nudiseta is an uncommon species, thus far found only on cadavers from indoors. Sy. nudiseta is reported for the second time in Peninsular Malaysia. A total of 329 cases (73.44%) had a single fly infestation, 109 cases (24.33%) had double fly infestation and 10 cases (2.23%) had triple fly infestation. Five cases (1.12%) had eggs and 3 cases (0.67%) had larval stages that were not identifiable. No arthropods were retrieved from cadavers in 8 cases (1.79%). In conclusion, although large number of fly species were found on human cadavers, the predominant species are still those of Chrysomya.

Susceptibility of Culex sitiens to Japanese encephalitis virus in peninsular Malaysia

The susceptibility of Culex sitiens to Japanese Encephalitis (JE) virus was examined in the laboratory. Cx. sitiens became infected with JE virus on day 8 and subsequently it is able to transmit the virus when it takes a blood meal. Both parts of the experiment were carried out using artificial membrane feeding technique.

Lung cancer health care needs assessment: patients' and informal carers' responses to a national mail questionnaire survey

The objective of this study was to describe patients' and informal carers' perceptions of care received and services offered following a diagnosis of primary lung cancer. We prepared a prospective, national, mail questionnaire survey of 466 patients with a diagnosis of primary lung cancer and a lay carer of their choice. The setting was 24 randomly chosen hospitals throughout the UK, from a range of urban (n = 11) and rural settings (n = 13). The majority (76%/159) of responders were recipients of care from cancer units. Two hundred and nine patients (45%) with primary lung cancer and 70 (15%) lay carers completed questionnaires. The main results that we found were that key areas of unmet need were most apparent during periods away from acute service sectors, with as few as 40% of patients reporting having received as much help as they needed from community services. The greatest onus of care for patients fell to lay carers, but only 29% of patients identified their lay carers as having needs in relation to their illness. Where patients received all their diagnostic tests in one hospital they were significantly more likely to wait less time between first seeing their general practitioner (GP) and being told their diagnosis (P = 0.0001) than patients who had to attend more than one hospital during their diagnostic work-up period. Fifty per cent of patients reported experiencing some degree of breathlessness even at rest, but only 15% reported having received any advice on living with it. Less than a quarter (23%) of hospital consultants identified anxiety as a key problem for patients with lung cancer, but 66% of patients identified it as such. Hospital staff largely overlook the needs of informal carers, who derive support from a small, mainly community oriented group of professionals, but accessing help is problematic and is dependent on local resources and a need to be proactive. Our conclusions are that developments in service provision for patients with lung cancer and their informal carers need to focus on six key areas: development of strategies to encourage patients to present earlier to their GP; ongoing evaluation of rapid diagnostic clinics; development and evaluation of a lung cancer care coordinator role; evaluation of innovations in delivery of nursing care in the community; development of local guidelines to facilitate equitable access to palliative care and social services; and evaluation of supportive strategies targeted at lay carers.

Cancer nursing practice development: understanding breathlessness

This paper considers methodological and philosophical issues that arose during a multi-centre, randomized controlled trial of a new nursing intervention to manage breathlessness with patients with primary lung cancer. Despite including a diverse range of instruments to measure the effects of the intervention, the uniqueness of individuals' experiences of breathlessness were often hidden by a requirement to frame the study within a reductionist research approach. Evidence from the study suggests that breathlessness is only partly defined when understood and explored within a bio-medical framework, and that effective therapy can only be achieved once the nature and impact of breathlessness have been understood from the perspective of the individual experiencing it. We conclude that to work therapeutically we need to know how patients interpret their illness and its resultant problems and that this demands methodological creativity.

Fatigue in advanced cancer -- meaning before measurement?

The fatigue experienced by patients with advanced cancer has received little attention either in clinical practice or amongst researchers. To date, attention has been directed at the fatigue experienced by patients receiving chemotherapy or radiotherapy, with little being directed at the experiences of patients with advanced cancer within the context of a rapidly declining health status. In light of the paucity of information available to inform practice a study was undertaken to explore the nature and impact of fatigue as experienced by 15 patients with advanced cancer, a relative or friend of their choice, and health care professionals involved with their care. The aims were threefold: (i) to gain further understanding of this debilitating problem from divergent perspectives; (ii) to identify potential intervention strategies to be evaluated in future studies; and (iii) to attempt to inform palliative care research methodology where previously poorly understood and inadequately articulated symptoms, such as the fatigue of advanced cancer, are addressed. This paper focuses on issues relating to the third of the three study aims. Seven men and eight women with a variety of cancers, predominantly breast, ovarian, lung and prostate cancer were interviewed. Demographic data, disease history, biochemical markers, weight, nutritional status and medication profile were also recorded. Patients completed visual analogue scales (VAS) recording perceptions of severity of fatigue and pain, and distress caused by the fatigue, during the previous week. Each patient also completed the Hospital Anxiety and Depression Scale (HADS). Following verbatim transcription, taped interviews were subject to processes derived from thematic content analysis, and Glaser and Strauss' constant comparative method. Case note data, VAS and HADS were subject to descriptive statistics. Each participant within this study articulated the importance of addressing the struggle of finding meaning in something as inherently disabling as the fatigue experienced. This led to the conclusion that valid and reliable measurement of complex facets of terminal illness is dependent on extrapolating meaning before undertaking measurement. This paper, drawing on patient focused data, sets out to support that assertion.

Perceptions of health care need in lung cancer. Can prospective surveys provide nationally representative data?

This paper considers the potential of a prospective questionnaire survey to provide nationally representative data of perceptions of health care need. The paper focuses on methodological problems encountered during the study, reserving the discussion of key findings to further publications. Data were gathered from patients with lung cancer, lay carers and professionals from 24 randomly selected hospitals throughout the UK. A number of factors had an impact on the survey's potential to provide nationally representative data. These included an unanticipatedly high death rate of patients registered in hospitals as being in receipt of treatment or follow-up care. Of a potential sample of 785 patients identified as being alive by the participating hospitals prior to data collection, 319 (41%) were found to have died after checking with general practitioner surgeries. As a consequence of consultants declining to participate, or where they did not reply to any correspondence, eight hospitals were withdrawn from the study on the grounds of inability to gain access to a representative sample of patients. In conclusion, a retrospective design, supplemented by the views of patients would have ensured greater success in terms of patient response rate (45%) and representativeness of data. Nevertheless, the survey represents a first attempt at undertaking a national assessment of patients with lung cancer and has provided rich data drawn from patients' experiences of living with a diagnosis of lung cancer and its treatment.

Nursing, morality, and emotions: phase I and phase II clinical trials and patients with cancer

This article reflects three nurses' views of the moral dimensions of their work in caring for patients receiving phases I and II of cancer clinical trials in a dedicated cancer clinical trials unit (CCTU). The nurses took part in a semistructured, tape-recorded, group interview in which they talked about any aspect of their work that they felt demonstrated its ethical or moral dimensions. The nurses were not employed as research nurses, but had chosen to specialize in cancer and palliative care in a CCTU environment. Three key themes emerged from the interview: being valued and moral distress; caring in a climate of scientific research; and care, cure, and consequences for moral reasoning. Working in an environment suffused with moral conflicts can be painful and damaging for the professionals involved. It would appear that if nurses are to function effectively, they need to be proactive in promoting an exploration of the role that emotions play in moral decision making and in examining the contribution of emotions to what they care about and why. A commitment to a shared understanding and valuing of divergent ethical reasoning in and across professional cultures of care and research paradigms also appears to be necessary. The terms "ethics" and "morals" are used interchangeably throughout this article.

Multicentre randomised controlled trial of nursing intervention for breathlessness in patients with lung cancer

OBJECTIVE

To evaluate the effectiveness of nursing intervention for breathlessness in patients with lung cancer.

DESIGN

Patients diagnosed with lung cancer participated in a multicentre randomised controlled trial where they either attended a nursing clinic offering intervention for their breathlessness or received best supportive care. The intervention consisted of a range of strategies combining breathing control, activity pacing, relaxation techniques, and psychosocial support. Best supportive care involved receiving standard management and treatment available for breathlessness, and breathing assessments. Participants completed a range of self assessment questionnaires at baseline, 4 weeks, and 8 weeks.

SETTING

Nursing clinics within 6 hospital settings in the United Kingdom.

PARTICIPANTS

119 patients diagnosed with small cell or non-small cell lung cancer or with mesothelioma who had completed first line treatment for their disease and reported breathlessness.

OUTCOME MEASURES

Visual analogue scales measuring distress due to breathlessness, breathlessness at best and worst, WHO performance status scale, hospital anxiety and depression scale, and Rotterdam symptom checklist.

RESULTS

The intervention group improved significantly at 8 weeks in 5 of the 11 items assessed: breathlessness at best, WHO performance status, levels of depression, and two Rotterdam symptom checklist measures (physical symptom distress and breathlessness) and showed slight improvement in 3 of the remaining 6 items.

CONCLUSION

Most patients who completed the study had a poor prognosis, and breathlessness was typically a symptom of their deteriorating condition. Patients who attended nursing clinics and received the breathlessness intervention experienced improvements in breathlessness, performance status, and physical and emotional states relative to control patients.

A four year review of acute viral hepatitis cases in the east coast of peninsular Malaysia (1994-1997)

A total of 1,157 sera from jaundiced patients with clinical and biochemical evidence of liver disease received from government hospital in Kelantan and Terengganu, during the period from 1994 to 1997, were investigated to determine the cause. Hepatitis A virus was found to be the main cause in 26.1% (24/92) of symptomatic clinical hepatitis cases in 1994, 47.8% (63/132) in 1995, 66.4% (613/923) in 1996 and 20% (2/10) in 1997. Sera received in 1996 were also tested for hepatitis B, hepatitis C, hepatitis D and hepatitis E. 1.4% (13/923) anti-bodies were found to be positive for HBc IgM indicating recent HBV infection, 5.4% (50/923) for total HCV Ab, 0.9% (8/923) for total HDV Ab and 0.4% (4/923) for anti-HEV IgM. This study shows that HAV is still a major problem in Kelantan and Terengganu, and there is a need to identify effective strategies for prevention and control in these two states.

Developing nursing research with people

This paper explores issues surrounding the role and capacity of research to inform practice. Through a consideration of three research projects undertaken by cancer nurses, some questions concerning nurse-led research and practice development initiatives are raised. Philosophical tenets of collaborative inquiry and action research from the basis of the exploration, articulating the essence of the way in which the research endeavours described, were undertaken. It is an attempt at describing research that moves away from traditional approaches that have so often depersonalised those involved.

Studies on animal schistosomes in Peninsular Malaysia: record of naturally infected animals and additional hosts of Schistosoma spindale

Surveillance studies on cercarial dermatitis were carried out in paddy growing areas in Peninsular Malaysia. It was observed that dermatitis in paddy planters occurred in paddy fields which were cultivated using animals such as bafflos or fields where domestic animals were allowed to graze during the off planting season as these animals harbored the parasite. The causative agent of cercarial dermatitis was Schistosoma spindale. A total of 215 small mammals trapped from Alor Setar and 126 trapped from Labu were examined for the schistosome. In Alor Setar Bandicota indica, Rattus argentiventer and Rattus rattus diardii were the only wild mammals found to be infected with the parasite, while in the Labu areas only Rattus tiomanicus jalorensis was positive for the schistosome. The occurrence of S. spindale in R. argentiventer and R.r. diardii in Alor Setar and in R.t. jalorensis in Labu constitute new host and geographic distribution records of the schistosome.

What do cancer patients identify as supportive and unsupportive behaviour of nurses? A pilot study

Social support has been claimed to have positive effects on a variety of outcomes, including physical health, mental well-being and social functioning, and yet, its nature, meaning and measurement are still being debated in the literature. This pilot study set out to identify, within the theoretical framework of the social support literature, supportive and unsupportive nurse behaviours as perceived of by eight hospitalized patients diagnosed with a haematological malignancy. The findings of the semi-structured interviews appear to suggest that emotionally supportive behavior patterns are the most frequently identified helpful nurse interactions reported by individuals with cancer, followed by informationally supportive behavior. The most frequently identified unsupportive nurse behaviours were those perceived of as being devoid of an emotional component. Tentative conclusions for practice are drawn from these findings and considerations for future research are presented. In accordance with work by Dunkel-Schetter (1984) the terms supportive and unsupportive are operationalized throughout this paper as the more familiar terms helpful and unhelpful.

Social support and the patient with cancer: a consideration of the literature

Although the nature, meaning and measurement of social support are still being debated in the literature, it has been claimed to have positive effects on a variety of outcomes, including physical health, mental well-being and social functioning. However, an intention to help on the part of the support provider is not sufficient to ensure that one is actually supportive, either as a professional or within one's own personal network. Past research indicates that social support is beneficial to cancer patients in adjusting to the stress of the disease and yet, because of the intense fears and stigma associated with it, those who have cancer may be especially likely to experience problems in obtaining adequate support. Without an appreciation of the complexity of support elicitation and support provision, nurses caring for patients with cancer and for their relatives may, however unintentionally, undermine one of the strongest potential resources people have in coping with the disease-the social relationship.

Seroprevalence of Sarcoptes scabiei var canis antibodies among aborigines in peninsular Malaysia

The Aborigines or Orang Asli in Peninsular Malaysia who are still seminomadic are known to have a close association with dogs. In this study, enzyme-linked immunosorbent assay (ELISA) was used to detect anti-Sarcoptes scabiei var canis antibodies in this community as a measure of exposure to the mite. Out of 312 Orang Asli tested, 24.7% were positive for polyvalent anti-Sarcoptes antibodies. No significant difference was found between the positive rates in males (26.1%) and females (23.6%). Only 1.9% were positive for IgA and none was positive for IgE anti-Sarcoptes antibodies. Since there were very few patients with clinical manifestation of scabies, there is a possibility that continuous exposure to the dogs mite confers cross-protective immunity in the community against human scabies.

Oral problems in advanced cancer

Despite the unquestionable relevance of ensuring effective oral care for patients with advanced cancer, inadequate research activity has been directed towards developing and evaluating specific mouth care regimes for this group of seriously ill patients. The prevalence of the problems experienced by these individuals is well known and ensures that we have a clear picture of the areas where practice development is urgently needed. This paper presents a critique of research-based oral care interventions through a consideration of the management of the following problems: coated mouth and tongue; dry mouth; infection (fungal, viral, bacterial); pain; altered taste. Where possible, research findings are presented, but for many of the areas of care it is possible only to offer guidelines based upon an understanding of the normal structure and function of the oral cavity, the agents and tools currently in use, and practice-based evidence. There is an urgent need for a coordinated body of research activity within this field.

Host tissue reaction to Gnathostoma malaysiae (Nematoda: Gnathostomidae) in Rattus surifer Miller

The occurrence of adult Gnathostoma malaysiae in Rattus surifer and R. tiomanicus in Malaysia has been reported but there are no known reports on the host tissue reactions. This paper reports on the gross pathology caused by G. malaysiae in a red spiny forest rat, R. surifer and the tissue reactions caused. A tumor-like growth was located on the mid-stomach wall in a female rat captured in Gunung Bachock, Kelantan, Malaysia. This growth consisted of four tunnel-like structures containing sanguinopurulent fluid and leukocytes and this structure led into a central canal. The tissue surrounding the tumor was greatly inflamed and there was localized gastritis. The tunnel-like structure was surrounded by dense fibrotic tissue. The stomach wall was devoid of superficial epithelium and smooth muscle but mucinous glands were present. The midregion of the fibrotic scar contained eggs of G. malaysiae which had evoked a strong tissue reaction and were surrounded by pus. Blood vessels were empty, dilated and had undergone vasculitis and thrombosis.

Two new species of Moniliformis (Acanthocephala: Moniliformidae) from Malaysia

Moniliformis tarsii n. sp. was found in Tarsius bancanus. It is unique in possessing 11-12 longitudinal rows of 6-7 hooks each. Hooks 2 and 3 are conspicuously enlarged, 41-55 microns long. Moniliformis echinosorexi n. sp. differs from all other species in having 12-15 rows of 11-13 hooks that are 34-36 microns long, and in having a proboscis receptacle 1.2-2.0 mm long. Several new host records for M. moniliformis are presented.