Enhanced surveillance of initial cases of pandemic H1N1 2009 influenza in Ireland, April-July 2009

From 28 April to 18 July 2009 there were 156 cases of pandemic H1N1 2009 influenza confirmed in Ireland. During this time, Ireland was in containment phase, and detailed case-based epidemiological information was gathered on all cases presenting in the community and acute health care setting. Active case finding was performed among contacts of cases. Eighty percent of cases were in people less than 35 years of age and 86% were imported. The most frequent symptoms were fever, sore throat, myalgia and dry cough. Nine people were hospitalized, no fatalities occurred.

Clinical and epidemiological aspects of parvovirus B19 infections in Ireland, January 1996-June 2008

Parvovirus B19 infection may be mistakenly reported as measles or rubella if laboratory testing is not performed. As Europe is seeking to eliminate measles, an accurate diagnosis of fever/rash illnesses is needed. The main purpose of this study was to describe the epidemiological pattern of parvovirus B19, a common cause of rash, in Ireland between January 1996 and June 2008, using times series analysis of laboratory diagnostic data from the National Virus Reference Laboratory. Most diagnostic tests for presumptive parvovirus B19 infection were done in children under the age of five years and in women of child-bearing age (between 20-39 years-old). As a consequence, most of the acute diagnoses of B19 infection were made in these populations. The most commonly reported reasons for testing were: clinical presentation with rash, acute arthritis, influenza-like symptoms or pregnancy. The time series analysis identified seasonal trends in parvovirus B19 infection, with annual cycles peaking in late winter/spring and a six-year cycle for parvovirus B19 outbreaks in Ireland.

Clinical and epidemiological aspects of parvovirus B19 infections in Ireland, January 1996-June 2008

Parvovirus B19 infection may be mistakenly reported as measles or rubella if laboratory testing is not performed. As Europe is seeking to eliminate measles, an accurate diagnosis of fever/rash illnesses is needed. The main purpose of this study was to describe the epidemiological pattern of parvovirus B19, a common cause of rash, in Ireland between January 1996 and June 2008, using times series analysis of laboratory diagnostic data from the National Virus Reference Laboratory. Most diagnostic tests for presumptive parvovirus B19 infection were done in children under the age of five years and in women of child-bearing age (between 20-39 years-old). As a consequence, most of the acute diagnoses of B19 infection were made in these populations. The most commonly reported reasons for testing were: clinical presentation with rash, acute arthritis, influenza-like symptoms or pregnancy. The time series analysis identified seasonal trends in parvovirus B19 infection, with annual cycles peaking in late winter/spring and a six-year cycle for parvovirus B19 outbreaks in Ireland.

Botulism in injecting drug users, Dublin, Ireland, November-December 2008

In November and December 2008, six cases of suspect wound botulism were reported in heroin injecting drug users, all residents in Dublin, Ireland. Patients were aged between 23-42 years of age; four cases were male; one patient died shortly after admission. The patients presented to four different hospitals across the city. Botulism in injecting drug users in Ireland was last reported in 2002.

Botulism in injecting drug users, Dublin, Ireland, November-December 2008

In November and December 2008, six cases of suspect wound botulism were reported in heroin injecting drug users, all residents in Dublin, Ireland. Patients were aged between 23-42 years of age; four cases were male; one patient died shortly after admission. The patients presented to four different hospitals across the city. Botulism in injecting drug users in Ireland was last reported in 2002.

National seasonal influenza vaccination survey in Europe, 2008

A cross-sectional survey was undertaken with the European Union (EU) Member States and Norway and Iceland to describe seasonal influenza immunisation in the 2006-7 season, in particular to identify country-specific recommendations for risk groups, obtain vaccine uptake information and allow comparison with global recommendations. A standardised questionnaire was completed electronically by each country's project gatekeeper. Of the 29 countries surveyed, 28 recommended seasonal influenza vaccination for older age groups (22 for those aged > 65 years), and in one country vaccine was recommended for all age groups. All countries recommended vaccinating patients with chronic pulmonary and cardiovascular diseases and most countries advised to immunise patients with haematologic or metabolic disorders (n=28), immunologic disorders (n=27) and renal disease (n=27), as well as residents of long-term care facilities (n=24). Most countries recommended vaccination for staff in hospitals (n=25), long-term care facilities (n=25) and outpatient clinics (n=23), and one-third had such recommendations for workers in essential (n=10), military (n=10) and veterinary services (n=10) and poultry industry (n=13). Eight countries recommended vaccine for pregnant women; and five advised to vaccinate children (with age limits ranging from 6 months to 5 years). Twenty countries measured influenza vaccine uptake among those aged > 65 years (range 1.8%-82.1%), seven reported uptake in healthcare workers (range 14%-48%) and seven assessed coverage in persons with underlying medical conditions (range 27.6%-75.2%). The data provided by this study can assist EU states to assess and compare their influenza vaccination programme performance with other countries. The information provides a comprehensive overview of policies and programmes and their outcomes and can be used to inform joint discussions on how the national policies in the EU might be standardised in the future to achieve optimal coverage. Annual surveys could be used to monitor changes in these national policies.

Low coverage of seasonal influenza vaccination in the elderly in many European countries

In May 2003, the 56th World Health Assembly (WHA) recommended influenza vaccination for all people at high risk defined as the elderly and persons with underlying diseases [1]. The WHA countries, including all European Union (EU) Member States, also committed to the goal of attaining vaccination coverage of the elderly population of at least 50% by 2006 and 75% by 2010 and to having mechanisms for monitoring the uptake [1]. To date there has been no published survey on how successful European countries have been in implementing this WHA resolution.

Mumps in Ireland, 2004-2008

Following a national mumps outbreak that began in November 2004 and continued into 2005, the number of mumps notifications in Ireland waned in the latter half of 2006 and during 2007 (Figure 1). However, mumps notifications have started to increase again in 2008 (Figure 1). The number of mumps notifications annually between 1988 and 2008 and the number of confirmed mumps notifications by year from 2004 to 2008 are shown in Figure 2. In total, there were 420 mumps notifications in 2004, 1,079 in 2005, 427 in 2006, 150 in 2007 and to date there are 153 notifications in 2008 (Figure 2). In contrast, there were 40 mumps notifications in 2003 (Figure 2).

Risk groups and uptake of influenza and pneumococcal vaccine in Ireland

In Ireland, influenza and pneumococcal vaccines are recommended for adults aged 65 years and over and for those with chronic illness or immunosuppression. Influenza vaccine is recommended for healthcare workers (HCWs) and residents of long stay care facilities. Influenza vaccine uptake is only available for those aged 65 years and over. We conducted a survey to estimate the size of risk groups between 18 and 64 years of age, influenza and pneumococcal vaccine uptake in this group, and to determine possible factors influencing vaccine uptake to improve targeted immunisation programmes. Among respondents aged 18-64 years, 136 of 1,218 (11%) belonged to a health risk group; uptake of influenza and pneumococcal vaccine in these risk groups was 28% (95% CI: 20.9-35.4) and 11% (95% CI: 6.7-17.2) respectively. Uptake among persons aged over 65 years was 69% (95% CI: 62.2-74.4) and 41% (95% CI: 35.0-47.9) for influenza and pneumococcal vaccine, respectively. Influenza vaccine uptake among HCWs was 20% (95% CI: 13.1-28.7). Half (47.6%) of influenza-vaccinated respondents reported that their family doctor had recommended it; 60% of non-vaccinated respondents, for whom influenza vaccine was indicated, saw themselves at low risk of influenza.

Stroke unit care is superior to general rehabilitation unit care

Robust evidence exists for the efficacy of stroke units in improving stroke outcome. To date no Irish and little international data exist comparing stroke unit and general rehabilitation unit care. 207 patients admitted to a stroke unit (136--65.7%) and a general rehabilitation unit (71--34%) in the Mid-Western region from September 2000-August 2002 were included in the study. There was no difference in patient age, gender or admission criteria between the units. The stroke unit was associated with a shorter length of stay (mean 21 versus 33 days, p < 0.01) and a higher rate of home discharge (50% versus 38%, p < 0.01). Patient survival at discharge (86% versus 70.4%, p < 0.01), 3 months (84.5% versus. 69.5%, p < 0.01) and 6 months (81% versus. 66%, p < 0.01) post-admission was better among stroke unit patients.

Randomised clinical trial of the effectiveness of base-in prism reading glasses versus placebo reading glasses for symptomatic convergence insufficiency in children

PURPOSE

To compare base-in prism reading glasses with placebo reading glasses for the treatment of symptomatic convergence insufficiency (CI) in children aged 9 to <18 years.

METHODS

In a randomised clinical trial, 72 children aged 9 to <18 years with symptomatic CI were assigned to either base-in prism glasses or placebo reading glasses. Symptom level, measured with a quantitative symptom questionnaire (CI Symptom Survey-V15), was the primary outcome measure. Near point of convergence and positive fusional vergence at near were secondary outcomes.

RESULTS

The mean (SD) CI Symptom Survey score decreased (that is, less symptomatic) in both groups (base-in prism glasses from 31.6 (10.4) to 16.5 (9.2); placebo glasses from 28.4 (8.8) to 17.5 (12.3)). The change in the CI Symptom Survey scores (p = 0.33), near point of convergence (p = 0.91), and positive fusional vergence (p = 0.59) were not significantly different between the two groups after 6 weeks of wearing glasses.

CONCLUSIONS

Base-in prism reading glasses were found to be no more effective in alleviating symptoms, improving the near point of convergence, or improving positive fusional vergence at near than placebo reading glasses for the treatment of children aged 9 to <18 years with symptomatic CI.

Clinical service organisation for heart failure

BACKGROUND

Chronic heart failure (CHF) is a serious, common condition associated with frequent hospitalisation. Several different disease management interventions (clinical service organisation interventions) for patients with CHF have been proposed.

OBJECTIVES

To assess the effectiveness of disease management interventions for patients with CHF.

SEARCH STRATEGY

We searched: Cochrane CENTRAL Register of Controlled Trials (to June 2003); MEDLINE (January 1966 to July 2003); EMBASE (January 1980 to July 2003); CINAHL (January 1982 to July 2003); AMED (January 1985 to July 2003); Science Citation Index Expanded (searched January 1981 to March 2001); SIGLE (January 1980 to July 2003); DARE (July 2003); National Research Register (July 2003); NHS Economic Evaluations Database (March 2001); reference lists of articles and asked experts in the field.

SELECTION CRITERIA

Randomised controlled trials comparing disease management interventions specifically directed at patients with CHF to usual care.

DATA COLLECTION AND ANALYSIS

At least two reviewers independently extracted data information and assessed study quality. Study authors were contacted for further information where necessary.

MAIN RESULTS

Sixteen trials involving 1,627 people were included. We classified the interventions into three models: multidisciplinary interventions (a holistic approach bridging the gap between hospital admission and discharge home delivered by a team); case management interventions (intense monitoring of patients following discharge often involving telephone follow up and home visits); and clinic interventions (follow up in a CHF clinic). There was considerable overlap within these categories, however the components, intensity and duration of the interventions varied. Case management interventions tended to be associated with reduced all cause mortality but these findings were not statistically significant (odds ratio 0.86, 95% confidence interval 0.67 to 1.10, P = 0.23), although the evidence was stronger when analysis was limited to the better quality studies (odds ratio 0.68, 95% confidence interval 0.46 to 0.98, P = 0.04). There was weak evidence that case management interventions may be associated with a reduction in admissions for heart failure. It is unclear what the effective components of the case management interventions are. The single RCT of a multidisciplinary intervention showed reduced heart-failure related re-admissions in the short term. At present there is little available evidence to support clinic based interventions.

AUTHORS' CONCLUSIONS

The data from this review are insufficient for forming recommendations. Further research should include adequately powered, multi-centre studies. Future studies should also investigate the effect of interventions on patients' and carers' quality of life, their satisfaction with the interventions and cost effectiveness.

Explaining variation in antidepressant prescribing rates in east London: a cross sectional study

BACKGROUND

Rates of depression and anxiety in south Asian populations are lower than expected. It remains uncertain whether this reflects a real difference in prevalence or differences in case recognition and management.

OBJECTIVE

To examine whether concordance of culture or ethnicity between doctors and patients affects the prescribing rates for antidepressant and anxiolytic medications in general practice populations, taking into account demography, practice size and organization.

METHOD

A cross-sectional general practice study, using practice and demographic data from primary care trusts, doctors' place of qualification from the General Medical Council, combined with practice level prescribing data from the prescription pricing authority (PACT) for the period 2000-2002. Set in 139 practices in the east London primary care trusts (PCTs) of Tower Hamlets, Hackney and Newham, multiethnic areas with large populations of south Asian residents and doctors. The main outcome measure was the annual prescribing rates for each group of drugs, calculated as the mean of two years average daily quantities (ADQs) for each medication, divided by the practice population.

RESULTS

In east London the median prescribing rate (ADQs) for all antidepressants was 7.97 (inter-quartile range 4.91-10.76), for all anxiolytics and hypnotics 2.27 (interquartile range 1.11-3.96). There were significant differences in prescribing rates between practices with UK trained GPs and practices with south Asian trained GPs, with the highest rates of antidepressant prescribing in practices with UK trained GPs and low proportions of south Asian patients. No differences were found in anxiolytic and hypnotic prescribing rates between these practices. 57% of the variation in prescribing between practices could be explained by a model including the place of GP qualification, the proportion of registered women, older (>65) patients, and the list size per full time GP.

CONCLUSIONS

Compared with previous studies prescribing rates for antidepressants have almost doubled over five years, the greatest increase being for selective serotonin re-uptake inhibitors (SSRIs). There is a modest fall in prescribing rates for anxiolytics and hypnotics. Concordance between south Asian practice populations and doctors from similar south Asian cultures is not associated with an increase in antidepressant prescribing. Lower rates of prescribing in practices with south Asian trained doctors occur regardless of the ethnic composition of the practice population. Reasons for these differences are uncertain, but may include differences in explanatory models for presenting symptoms, and management strategies which rely less on a biomedical paradigm.

Measles increase in Ireland, 2004

Since the beginning of 2004, 293 cases of measles have been reported in Ireland (incidence: 7.5/100 000 population). The increase in measles activity, particularly since May, has been widespread in the country

Experience with Implanon in a northeast London family planning clinic

AIM

The primary objective of the study was to evaluate the continuation rates of a relatively new long-acting method of contraception, Implanon. The secondary objective was to study discontinuations related to bleeding problems and their management.

METHOD

A retrospective review of records of women fitted with Implanon was undertaken during February 2000--January 2003.

RESULTS

Results from the secondary objective will be the subject of a separate communication. Of the 147 implants fitted, 132 records could be retrieved; of these, 97% of the women had pre-insertion counselling by the clinician. The most common indications for Implanon usage were choice of a long-acting method, unhappy experience with other contraceptive methods and suboptimal compliance with contraceptive pills and injectables. The median age of fitting was 25 years and 36% of the women were nulliparous. No problems were experienced with fitting or removal of implants. Twenty (15%) women were lost to follow-up. Twenty-two implants were removed by the end of the study period, with 12 (60%) removals attributed to prolonged heavy/light bleeding. There were no known pregnancies during the study. Given that 15% of the women could not be followed up or contacted, the assumed lifetimes of Implanon using the Kaplan-Meier method are 0.90 (95% confidence interval 0.82-0.95) at 12 months, 0.80 (0.67-0.88) at 24 months and 0.75 (0.58-0.85) at 35 months. The confirmed lifetimes are 0.84 (0.71-0.91) at 12 months, 0.63 (0.42-0.78) at 24 months and 0.53 (0.28-0.73) at 35 months.

CONCLUSION

Although not free of side-effects, Implanon can be a good choice for women who are properly informed and counselled and seek long-term 'forgettable' contraception.

Immunisation: the views of parents and health professionals in Ireland

A knowledge, attitude and practice study on vaccinations was undertaken among Irish parents and healthcare professionals between May and August 2001. Parents expressed fear of vaccine side effects, mistrust of health services, and felt poorly informed on the vaccination issues. According to group discussions, health professionals felt they lack time and user-friendly materials to properly inform the parents.

The histologic classification of 602 cases of feline lymphoproliferative disease using the National Cancer Institute working formulation

Case information and histologic slides for 688 admissions of feline tissues from 12 veterinary institutions were assembled and reviewed to determine tissues obtained by biopsy or necropsy, age and sex of cat, tumor topography, feline leukemia viral antigen status, histologic frequency of mitoses, diagnosis, presence of necrosis, and presence and degree of sclerosis. Histologic sections were examined to place the lesions in one of the diagnostic categories of the National Cancer Institute working formulation (NCI WF) for lymphomas or lymphoid leukemia. Correlations between the various factors determined were tested using contingency tables and chi-square analysis to provide a statistical comparison between the levels of observations determined by case examination with the numbers expected from chance alone. Significant correlations (P < or = 0.05) were found between diagnosis and tumor topography, the frequency of mitoses, necrosis, sclerosis, and age, between mitoses and necrosis, topography, age, and feline leukemia viral infection status, between topography and necrosis and age, and between leukemia viral status and age. Significant correlations between diagnosis and tumor topography included a greater than expected number of cases of acute and chronic lymphoid leukemia and multicentric distribution of tumor. Small cell lymphomas were more frequent than expected in enteric and cutaneous areas and less frequent than expected in mediastinal, renal, and multicentric areas. In contrast, the high-grade small noncleaved type of lymphomas was found significantly more frequently than expected in the mediastinum and less frequently than expected in enteric tissues. In comparing diagnosis and frequency of mitoses, the lymphomas classified as low grade by the NCI WF were significantly more frequent than expected in the lower categories (0-2/100x) of mitoses, and those classified as high-grade lymphomas were more frequent than expected in the higher categories (4-8/1OOx) of mitoses. In comparing diagnosis and sclerosis, diffuse sclerosis was more frequent than expected for the intermediate grade lymphomas of mixed cell type and for the high-grade lymphomas of the immunoblastic polymorphous type. In comparing diagnosis and locally extensive necrosis, this feature was more frequently observed than expected for cases of intermediate grade lymphoma of the small-cleaved cell category and for the high-grade lymphoma of the immunoblastic cell type. In comparing mitoses and necrosis, the lower grade lymphomas were, in general, characterized by a lower frequency of mitoses and a lower incidence of necrosis then would be expected from chance alone. In contrast, the higher grade lymphomas were characterized by more frequent mitoses and a higher incidence of necrosis. In tests comparing mitoses and tumor topography, lymphomas of the alimentary tract were more frequently observed than expected in the category with the lowest level of mitoses (0-1/100x), whereas lymphomas of the mediastinum and kidney were more frequently observed than expected in the categories with a higher level (4-20/ 100x) of mitoses.

BRCA1-associated growth arrest is RB-dependent

BRCA1 is a susceptibility gene for breast and ovarian cancer with growth-inhibitory activity for which the mechanism of action remains unclear. When introduced into cells, BRCA1 inhibits growth of some but not all cell lines. In an attempt to uncover the mechanism of growth suppression by BRCA1, we examined a panel of cell lines for their ability to reduce colony outgrowth in response to BRCA1 overexpression. Of all variables tested, only those cells with wild-type pRb were sensitive to BRCA1-induced growth suppression. In cells with an intact rb gene, inactivation of pRb by HPV E7 abrogates the growth arrest imposed by BRCA1. In accordance with these observations, we found that BRCA1 could not suppress BrdUrd uptake in primary fibroblasts from rb-/- mice and exhibited an intermediate ability to inhibit DNA synthesis in rb+/- as compared with rb+/+ cells. We further found that the BRCA1 protein complexes with the hypophosphorylated form of pRb. This binding is localized to amino acids 304-394 of BRCA1 protein and requires the ABC domain of pRb. In-frame deletion of BRCA1 fragment involved in interaction with pRb completely abolished the growth-suppressive property of BRCA1. Although it has been reported that BRCA1 interacts with p53, we find the p53 status did not affect the ability of BRCA1 to suppress colony formation. Our data suggest that the growth suppressor function of BRCA1 depends, at least in part, on Rb.

Hospital pharmacists' participation in audit in the United Kingdom

OBJECTIVE

To investigate systematically participation in audit of NHS hospital pharmacists in the United Kingdom.

DESIGN

Questionnaire census survey.

SETTING

All NHS hospital pharmacies in the UK providing clinical pharmacy services.

SUBJECTS

462 hospital pharmacies.

MAIN MEASURES

Extent and nature of participation in medical, clinical, and pharmacy audits according to hospital management and teaching status, educational level and specialisation of pharmacists, and perceived availability of resources.

RESULTS

416 questionnaires were returned (response rate 90%). Pharmacists contributed to medical audit in 50% (204/410) of hospitals, pharmacy audit in 27% (108/404), and clinical audit in only 7% (29/404). Many pharmacies (59% (235/399)) were involved in one or more types of audit but few (4%, (15/399)) in all three. Participation increased in medical and pharmacy audits with trust status (medical audit: 57% (65/115) trust hospital v 47% (132/281) non-trust hospital; pharmacy audit: 34% (39/114) v 24% (65/276)) and teaching status (medical audit: 58% (60/104) teaching hospital v 47% (130/279) non-teaching hospital; pharmacy audit 30% (31/104) v 25% (68/273)) and similarly for highly qualified pharmacists (MPhil or PhD, MSc, diplomas) (medical audit: 54% (163/302) with these qualifications v 38% (39/103) without; pharmacy audit: 32% (95/298) v 13% (13/102)) and specialists pharmacists (medical audit: 61% (112/184) specialist v 41% (90/221) non-specialist; pharmacy audit: 37% (67/182) v 19% (41/218)). Pharmacies contributing to medical audit commonly provided financial information on drug use (86% 169/197). Pharmacy audits often concentrated on audit of clinical pharmacy services.

CONCLUSION

Pharmacists are beginning to participate in the critical evaluation of health care, mainly in medical audit.