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Comparative clinical pharmacokinetics of tacrolimus in paediatric and adult patients.

Tacrolimus is a potent immunosuppressive agent used to prevent allograft rejection. The pharmacokinetics of tacrolimus have been studied in healthy volunteers and transplant recipients, mostly by using immunoassays to measure tacrolimus in plasma or blood. However, because of the cross-reactivity for certain tacrolimus metabolites of the antibodies used, these methods often lack specificity. This should be carefully taken into account when interpreting pharmacokinetic results for tacrolimus. In adult patients, tacrolimus is generally rapidly absorbed following oral administration (the time to reach maximum concentration is 1 to 2 hours), but in some patients absorption is slow or even delayed. Because of presystemic elimination, the oral bioavailability is low (around 20%) but may vary between 4 and 89%. Tacrolimus is highly bound to erythrocytes. Its binding to plasma proteins varies between 72 and 98% depending on the methodology used. Because of the extensive partitioning of tacrolimus into erythrocytes, its apparent volume of distribution (Vd) based on blood concentrations is much lower (1.0 to 1.5 L/kg) compared with values based on plasma concentrations (about 30 L/kg). Tacrolimus is metabolised by cytochrome P450 (CYP) 3A4 to at least 10 metabolites, some of which retain significant activity. Biliary excretion is the route of elimination of the tacrolimus metabolites. Systemic plasma clearance of tacrolimus is very high (0.6 to 5.4 L/h/kg), whereas blood clearance is much lower (0.03 to 0.09 L/h/kg). The terminal elimination half-life (t1/2beta) of tacrolimus is approximately 12 hours (with a range of 3.5 to 40.5 hours). Only limited information is available on the pharmacokinetics of tacrolimus in paediatric patients. The rate and extent of tacrolimus absorption after oral administration do not seem to be altered in paediatric patients. The Vd of tacrolimus based on blood concentrations in paediatric patients (2.6 L/kg) is approximately twice the adult value. Blood clearance of tacrolimus is also approximately twice as high in paediatric (0.14 L/h/kg) compared with adult (0.06 L/h/kg) patients. Consequently, t1/2beta does not appear modified in children, but oral doses need to be generally 2-fold higher than corresponding adult doses to reach similar tacrolimus blood concentrations. More pharmacokinetic studies in paediatric patients are, however, needed to rationalise the use of therapeutic drug monitoring for optimisation of tacrolimus therapy in this patient population.

Adult↗

Cefpodoxime proxetil: a review of its use in the management of bacterial infections in paediatric patients.

UNLABELLED: Cefpodoxime proxetil is an oral third generation cephalosporin with a broad spectrum of antibacterial activity. The drug has in vitro activity against many common Gram-positive and Gram-negative pathogens associated with common paediatric infections, making the drug a useful option for empirical therapy. In randomised controlled trials conducted in children with acute otitis media, oral cefpodoxime proxetil 8 to 10 mg/kg/day (usually administered in 2 divided doses) for 5 to 10 days was at least as effective as standard regimens of amoxicillin/ clavulanic acid, cefixime, cefuroxime axetil or cefaclor as assessed by either clinical or bacteriological criteria. Cefpodoxime 8 to 10 mg/kg/day (administered in 2 divided doses) for 5 to 10 days was at least as effective as standard 10-day regimens of penicillin V in the treatment of children with pharyngitis and/or tonsillitis. Significant differences in favour of cefpodoxime proxetil were demonstrated in terms of clinical (1 study) and bacteriological (2 studies) criteria. The clinical efficacy of 5 days of treatment with cefpodoxime proxetil is similar to that of 10 days of treatment with penicillin V. In children with lower respiratory tract infections (primarily pneumonia), clinical and bacteriological efficacy rates achieved with cefpodoxime proxetil treatment were similar to those produced by cefuroxime axetil or amoxicillin/clavulanic acid in randomised controlled trials. Cefpodoxime proxetil also demonstrated clinical efficacy in paediatric patients with skin and soft tissue infections. In randomised studies that included both adults and children with a variety of infections (e.g. abscess, atheroma, furuncle and carbuncle, infected wounds, cellulitis), cefpodoxime proxetil showed efficacy similar to that of cefuroxime axetil or cefaclor. Cefpodoxime proxetil is well tolerated by paediatric patients, with adverse events (primarily gastrointestinal tract disturbances and skin rashes) that are consistent with those reported for other oral cephalosporins. CONCLUSION: Cefpodoxime proxetil is a third generation cephalosporin with a broad spectrum of antibacterial activity and a favourable pharmacokinetic profile which allows twice-daily administration. It is generally well tolerated and demonstrates good bacteriological and clinical efficacy in paediatric patients with various infectious diseases, including acute otitis media, tonsillitis and/or pharyngitis. Based on these characteristics, cefpodoxime proxetil is a suitable option for the treatment of paediatric patients with various common bacterial infections.

Acute Disease↗

Clinical trials in paediatric oncology. Recommendations for the development of new anticancer agents.

Childhood and adolescent cancers are rare diseases. Despite the progress in treatment (more than two-thirds of all cases are cured), cancer remains the leading cause of death by disease in children older than 1 year. Access to new drugs that are more efficacious or better tolerated is therefore an important public health priority. The objective of our round table was thus to take inventory of the situation and to propose recommendations aimed at facilitating coordinated, rational and more rapid access to new treatments. The active participation of paediatric oncologists, parents, pharmaceutical companies and regulatory authorities proved not only necessary but very constructive. Pharmaceutical companies have developed very few new anticancer agents for children during the past 10 years. The round table identified current trends that appear propitious: the mobilisation of parents and patients' associations; European initiatives to encourage companies to assess drugs in children; regulatory initiatives to guide drug development; and the existence of structured clinical research networks in paediatric oncology, including for the development of early treatment. The round table recommends the following measures to improve access to new treatments for children and adolescents with cancer: 1. Conduct preclinical paediatric evaluation of all anticancer agents that begin the development process for adults (research and validation of treatment targets; pharmacological evaluation in relevant experimental models) to help choose the agents to study in children. 2. Initiate paediatric clinical development before the first application for authorization for adults is filed, when sufficient safety and tolerability data are available, that is, after the phase I trials in adults and optimally during the phase II trials. 3. Optimise paediatric clinical evaluation by defining development plans early and by reducing the duration of studies (enlargement of the early treatment research network to ensure adequate recruitment; new evaluation methods; better extrapolation of pharmacological data from adults to children for dose-finding). 4. Improve information to and participation of parents and patients in clinical research for new treatments. The prerequisite for the success of this project became rapidly clear to all the round-table participants: cooperation and partnership between specialists and other scientists from academia, parent associations, pharmaceutical companies and regulatory authorities. Only with such cooperation can progress in treatment occur and new hopes for recovery be fulfilled.

Adolescent↗

Staffing and structure for paediatric audiology services in hospital and community units.

The component functions of a paediatric audiology service are outlined on the basis of the main broad categories of patient and their requirements, as seen from a 'good practice' standpoint; a service structure is offered in terms of patient flow. This leads to a distinction between the small, specifically medical requirement, and the large, specifically audiological testing requirement. Indications are given of the scale of audiology requiring to be done by community staff not specializing in audiology. Notional incidence figures (and acceptable screen failure rates) allow the number of audiological posts or sessions required for screening and related community paediatric audiology work to be estimated per million population served. This totals about 9.75 FTE professional posts of varying grades per million population plus 1.5 FTE support, but in nearly all circumstances there will be many more incumbents than this, each with diverse other duties. The recommended staffing of audiologists doing hospital-based assessment and rehabilitation work and requiring specialized audiology training totals about 7.0 full-time equivalent (FTE) audiology posts and 2.5 support posts in a hospital paediatric audiology department, per million population; this is above the currently prevailing level of provision. The resource requirements would be raised by the widespread introduction of a non-standard screen (other than for the standard 6 to 9 month screen and the school-entry screen) by about 40% for community services and 15% for consequential increases in hospital services. In hospital units, the staffing will usually be interleaved with that of adult audiology, even where the served population may be large enough (e.g. 0.5 million, three to four paediatric audiology staff) to make a separate section worthwhile. In community units, there does not appear to be a particularly good rationale for community doctors specializing full-time in audiology, although some medical staff time is needed to undertake the specifically medical components. A partial degree of specialization among health visitors (or at least greater audiological training and experience) would probably achieve better performance of screens and simplify the attainment and maintenance of testing standards. Activities in hospital and community units have strong mutual implications: adding an intermediate-age screen to the established first-year and school-entry screens, and adding an at-risk neonatal screen would together increase consequent demands upon hospital paediatric audiology about 35%, although in neither case would the screening activity itself be undertaken in the hospital audiology unit.(ABSTRACT TRUNCATED AT 400 WORDS)

Audiology↗

Morbidity and mortality of neonates admitted in general paediatric wards at Kenyatta National Hospital.

BACKGROUND: Neonatal morbidity and mortality is high in developing countries. Facilities for specific neonatal care are limited in Kenya with no neonatal intensive care unit in the public health institutions. The new born unit at Kenyatta National Hospital (KNH) cannot accommodate all neonates so a number of these are admitted to the general paediatric wards. OBJECTIVES: To establish the morbidity and mortality of neonates admitted to the general wards at KNH and to review the medical interventions applied in the management and make recommendations that will improve on this. DESIGN: A retrospective study. SETTING: Kenyatta National Hospital general paediatric wards-Nairobi, Kenya. SUBJECTS: All babies who were admitted to the general paediatric wards at KNH from January to December 2000. RESULTS: A total of 308 records of neonates admitted to the general paediatric wards at KNH in the year of study were found and retrieved. The mortality was 315/1000 neonates admitted. Of the 308 admissions, 33.4% were low birth weight (LBW), 5% being very low birth weight (VLBW). The common diagnoses at admission or discharge were suspected sepsis 71% (confirmed sepsis 8.4%), jaundice 35%, pneumonia 32%, omphalitis 28%, dehydration 14%, apnoec attacks 13%, and hypothermia 6%. Eighty nine (29%) of the infants were not investigated at all. The mean duration of stay was nine days for those who lived to discharge and four days for those who died. Of those who died, 49% died within 24 hours of admission. The frequently cited cause of death was suspected sepsis, pneumonia, dehydration and hypothermia. There were only six admissions to the general purpose intensive care unit referred from the wards. The independent predictors of mortality were low birth weight, apnoec attacks, hypothermia and dehydration(p < 0.05). CONCLUSION: The mortality rate for neonates admitted to the general paediatric wards is high with almost half the deaths occurring in the first twenty four hours of admission. While the wards are doing commendable work, they need support by improving laboratory back up for improved diagnostic ability and to improve supportive care such as maintenance of fluid electrolyte balance, temperature regulation and access to intensive care facilities.

Adolescent↗

Job-sharing in paediatric training in Australia: availability and trainee perceptions.

OBJECTIVE: To examine the current availability of job-sharing in paediatric training hospitals in Australia and to evaluate job-sharing from the trainees' perspective. DESIGN: National survey with structured telephone interviews and postal questionnai res. SETTING: The eight major paediatric training hospitals in Australia. PARTICIPANTS: Directors of Paediatric Physician Training (DPPTs) at each hospital (or a staff member nominated by them) provided information by phone interview regarding job-sharing. All paediatric trainees who job-shared in 1998 (n=34) were sent written questionnaires, of which 25 were returned. RESULTS: Hospitals differed in terms of whether a trainee was required to give a reason for wishing to job-share, and what reasons were acceptable. One hospital stated that two specialty units (Intensive Care and Neonatal Intensive Care) were excluded from job-sharing, and another stated that certain units were unlikely to be allocated job-sharers. The remaining six hospitals said that all units were available for job-sharing, but the majority of their trainees disagreed. Only one hospital had a cap on the number of job-share positions available yearly. Trainees perceived benefits of job-sharing to include decreased tiredness, increased enthusiasm for work, and the ability to strike a balance between training and other aspects of life. Trainees believed job-sharing did not adversely affect the quality of service provided to patients, and that part-time training was not of lower quality than full-time training. CONCLUSIONS: Job-sharing in Australian paediatric training hospitals varies in terms of the number of positions available, eligibility criteria, and which units are available for job-sharing. In our survey, trainees' experience of job-sharing was overwhelmingly positive.

Attitude of Health Personnel↗

Paediatric treatment issues.

Compared with the therapeutic options available for the treatment of HIV infection in adults, the therapeutic options available for the treatment of paediatric patients is limited. New anti-HIV agents are needed to broaden the range of effective therapeutic options. However, several factors need to be considered when treating HIV infection in paediatric patients. It is important that the antiviral combination is potent and has at least one agent with adequate CNS penetration. In addition, to aid adherence it is important that any new agent is administered once daily and that the paediatric formulation is palatable. Furthermore, a good safety profile and compatibility with other anti-HIV drugs is also important. Efavirenz has many properties that make it suitable for the treatment of HIV infection especially in paediatric patients. In addition, recent clinical evidence indicate that efavirenz will be a very useful drug for paediatric therapy.

Administration, Oral↗

Transition of adult patients with cystic fibrosis from paediatric to adult care--the patients' perspective before and after start-up of an adult clinic.

UNLABELLED: Although most patients with cystic fibrosis (CF) survive into adulthood, many CF centres are still run by paediatricians. A transition programme from the paediatric CF unit to a newly established CF clinic at the Department of Internal Medicine was carried out for the whole group of patients > or =18 years. We aimed to evaluate our patients' opinion of the transition by analysing the results of two surveys performed before and after the transition. Nine months before the transition, we mailed an anonymous questionnaire. Statements regarding the forthcoming transition were to be answered on scales from 1 to 4, and the patients had to check a list of adjectives describing the current treatment in the paediatric CF centre as well as the presumed care in the adult unit. Fifteen months after the transition, a second survey with similar questions was carried out. RESULTS: 44 of 68 patients (65%) aged 18 to 33 years replied to the first and 56% of patients to the second questionnaire. Mean duration of treatment at the paediatric CF centre was 7.5 years (range: 1 to 22 years). Twelve patients each were classified as supporters or opponents of the transition, the remaining patients as intermediates. Older patients and those who had not required hospitalisation during the preceding year had a more positive attitude to the transition (p <0.05). There was a linear relationship between the transition attitude score and the presumed quality of care in the Internal Medicine Department (r = 0.62, p <0.001), but no relation to the quality of present paediatric care (r = -0.09, p = 0.59). In the second survey, patients rated the quality of care in the adult CF unit better than prior to the transition. CONCLUSIONS: The transition from paediatric to a newly established adult CF centre was accepted by most adult CF patients. Thorough training of all staff of the new adult unit and a close co-operation between both departments are pre-requisites to guarantee a smooth transition of all patients.

Adolescent↗

[Is therapeutic drug monitoring (TDM) in paediatric patients necessary?].

There is increasing discussion about the clinical usefulness of routine TDM of selected drugs in paediatrics. Routine TDM is performed as a way to individualize dosing requirements so as to achieve "therapeutic" concentrations in all patients, independently of age and individual drug response. The therapeutic ranges established for most drugs are based upon studies performed in adults. Extrapolation of these ranges to paediatric patients, especially to neonates, is questionable because drugs disposition and pharmacodynamics differ in this population compared to adults. The scepticism of the value of routine TDM in paediatric patients concerns antiepileptic drugs and digoxin. Recently also the value of vancomycin TDM in neonates has been the subject of discussion, resulting in new recommendation for dosing schedule in this age group. Therapeutic monitoring of methotrexate, especially administered in high doses in anticancer therapy is not questioned. Aminoglycosides have an extremely important role in paediatric antimicrobial therapy. They are still frequently used in the neonatal period. The rationale for monitoring of aminoglycosides is a narrow therapeutic range resulting in risk of oto- and nephrotoxicity, and large inter- and intra-subject variation in pharmacokinetics. Routine TDM is not recommended for paediatric patients (other than neonates) with normal renal function and without chronic illnesses associated with changes in pharmacokinetics of aminoglycosides. In these patients the peak and trough concentrations are within the therapeutic range using standard dosing regimes. Therapeutic monitoring of aminoglycosides is still obligatory in neonates, especially in premature and low birthweight neonates because of particularly wide inter-patient and intra-patient pharmacokinetic variability and risk of oto- and nephrotoxicity.

Aminoglycosides↗

A three year population based survey of paediatric mechanical ventilation in east Denmark.

BACKGROUND: East Denmark has a population of 396,000 children 0-14 years and a yearly birth rate of 30,000, but at present no paediatric intensive care unit (PICU). OBJECTIVE: To perform a population based survey of paediatric mechanical ventilation with the purpose of providing the background for discussions for or against centralization of paediatric intensive care. METHODS: Case records of children 0-14 years treated with mechanical ventilation from January 1996 to December 1998 were retrospectively reviewed and the following data were obtained: Whether or not the child was settled in East Denmark, date of admission, gender, age, underlying chronic condition(s), acute condition(s) leading to mechanical ventilation, duration of positive pressure ventilation, duration of endotracheal intubation, length of stay in ICU, and outcome. Children undergoing mechanical ventilation because of neonatal problems, cardiac surgery or neurosurgery were excluded. RESULTS: Data were obtained from 197 children of which 123 were boys (p < 0.001 for boys vs girls). Median age at admission to ICU was 30 months. Boys were younger than girls (median age 22 vs 41 months, p = 0.01), but as determined by mortality, duration of positive pressure ventilation, intubation and stay in ICU there were no differences between boys and girls with respect to disease course (p > 0.28). Totally, 86 (44%) had at least one underlying chronic condition. The incidence of disease leading to mechanical ventilation in children in East Denmark was estimated to 1.6/10,000/year. An average of 1.1 child was intubated each day. Taking into account the seasonal variation two beds would be required to give coverage for 85% of ICU days needed for paediatric mechanical ventilation while three beds would cover 98%. Children admitted to referral hospital RH more often had underlying chronic conditions and had more severe courses of disease than children admitted to other hospitals (p < 0.001). Mortality did not differ (p = 0.66). CONCLUSION: The number of children requiring mechanical ventilation in East Denmark is too low to provide the background for establishing an independent PICU. However, since paediatric intensive care is a rare and complicated event further centralization of children undergoing mechanical ventilation in East Denmark should be considered.

Adolescent↗

Ambulatory paediatrics: does it work?

To determine whether a paediatric ambulatory assessment service is an effective and acceptable replacement for an inpatient unit. Analysis of hospital paediatric medical admissions. Postal questionnaire survey of local general practitioners. Telephone survey of parents of children who had attended the ambulatory service. Rural General Hospital in Northern Ireland. General practitioners. Parents of children referred to assessment service. Number of paediatric medical hospital admissions from the local area before and after the introduction of an ambulatory assessment service. General practitioner satisfaction levels. Parental satisfaction levels. Since the introduction of the new service in April 1996 there has been a marked progressive reduction in paediatric medical hospital admissions from the local area. By the third year of operation of the ambulatory service (1998/99), a 47% reduction in admissions was recorded, compared to the 1995/96 baseline year. The response rate to the general practitioner questionnaire was 65% (37 of 57) of whom most (31, 84%) found the service beneficial. Of the 37 respondents, 31 had referred patients to the service. The majority of these general practitioners (30, 97%) reported that the service was easy to access, and the same proportion felt that requests for consultation were met promptly. Most felt that feedback was appropriate (29, 94%). A telephone survey of 50 parents showed that most were either very satisfied (38, 76%), or satisfied (11, 22%) with the service. Most parents (41, 82%) felt their child had benefited by not being admitted to hospital. Most (46, 92%) felt they had received adequate information regarding their child's illness. A paediatric ambulatory assessment unit can reduce the number of children admitted to hospital and meet the needs of children, their families and general practitioners.

Ambulatory Care↗

Outcome of acute intussusception in a regional paediatric centre.

It has been suggested recently that acute intussusception should only be managed in a specialised paediatric centre. The aim of this study is to assess the incidence and outcome of acute intussusception in a comprehensive paediatric unit in Waterford Regional Hospital. It is a retrospective medical records study over a ten year period from June 1990 to June 2000. Our results showed that we had 24 cases giving an incidence of 2.4 cases per year. Contrast enema was performed in 23(95%) cases, successfully reduced in 14(61%) cases, unsuccessfully reduced in 7(30%). Surgical intervention was necessary in 7(30%) cases. Three (12.5%) cases were transferred to a specialised paediatric surgical centre. There were no perforation or death. We conclude from this study that management of acute intussusception can be successfully undertaken in a regional paediatric centre. It requires adequate throughput of cases and close co-operation between paediatrician, radiologist, anaesthetist, surgeons and of course a dedicated paediatric nursing staff.

Child, Preschool↗

The future of paediatric cardiology in the United Kingdom. British Cardiac Society and the Royal College of Physicians of London.

(1) The working party has considered the requirements for the training of paediatric cardiologists and has suggested a flexible curriculum that allows the specialty to benefit from doctors coming into it from both adult cardiological and paediatric disciplines. (2) The working party appreciates that the short term problem with appointment of paediatric cardiologists cannot be solved immediately and recommends that appointing authorities should show patience. They should look to the possibility of identifying suitable candidates, at present in training, and making proleptic appointments to allow appropriate training to be completed. (3) There is a need for an increase in the number of paediatric cardiologists to service the specialty during a period when the patient load will increase because of population trends and changes in work patterns (specifically adults with congenital heart disease and prenatal cardiology). The care of adults with congenital heart disease has to be planned, certainly at regional and probably supraregional levels, and the financial and training implication has to be recognised. (4) The working party therefore recommends that there should be one consultant paediatric cardiologist per million of the population to allow for these changes in the service. (5) The working party considers that this report makes a very strong case for an increase in the number of senior registrar and registrar posts in the specialty. The existing number of junior posts will not fill the increase in agreed new posts and those made vacant by retirements between now and the end of the decade. When the additional posts recommended by the working party are taken into account at least three new senior registrar posts are needed. To make sure that a satisfactory supply of experienced candidates is available to fill the senior registrar posts the working party recommends the provision of two full time middle grade registrar jobs for each senior registrar position.

Cardiology↗

Do paediatric cardiologists discuss cardiovascular risk factors with patients and their families?

Atherosclerotic disease of the heart likely has its origins in childhood. The promotion of cardiovascular health in children, however, has been studied only for those practicing in general paediatrics. We hypothesised that paediatric cardiologists do not consistently discuss cardiovascular risk factors with patients and their families. We therefore, carried out a nationwide survey of paediatric cardiologists to determine how often they discussed atherosclerosis and 4 modifiable risk factors, specifically weight, smoking, diet and nutrition, and physical activity. Only two-fifths reported that they discussed atherosclerotic disease frequently to always. For patients with cardiovascular disease, weight was discussed frequently to always by 59%, smoking by 61%, diet and nutrition by 63%, and physical activity by 92%. In contrast, for patients without cardiovascular disease, weight was discussed frequently to always by 35%, smoking by 46%, diet and nutrition by 39%, and physical activity by 62%. These differences are statistically significant (p < 0.003 by chi2 analysis). Cardiovascular risk factors were discussed more consistently as children grew older (p < 0.0001). Respondents stated that, in their opinion, the promotion of cardiovascular health was a role more appropriate for providers of primary care than for paediatric cardiologists (p < 0.0001). Constraints of time, and the perceived role of the cardiologist, were the most common barriers to anticipatory guidance. We suggest that these findings indicate that paediatric cardiologists can assume a more prominent role in preventive cardiology and education, although their precise role or roles, and the optimal methods of anticipatory guidance, remain controversial.

Cardiology↗

Work-related stress among paediatric non-consultant hospital doctors.

There have been many reports of Non-Consultant Hospital Doctors (NCHDs) deciding to leave hospital medicine in pursuit of a career with better hours and lifestyle such as general practice. It is not known, however, how widespread feelings of dissatisfaction are in paediatrics and whether work-related stress is a contributing factor. A postal survey of NCHDs in paediatric posts throughout the country was conducted in November 2000. Data collected included demographic and personal details. NCHDs were also asked their level of stress in relation to their daily work, patient-care, hospital environment and dealing with other staff members using an incremental scale from 1 to 5 (5 most stressed). 69% (71/103) of the questionnaires were returned. Equal numbers of males and females responded (48% vs 52%). 51% (36/71) of the NCHDs were registrars; 51% (36/71) were working within Dublin. More than three-quarters had graduated from a European Union (EU) medical school (77%, 55/71). While the majority (79%, 56/71) were either satisfied or very satisfied with paediatrics as their chosen specialty, 79% (56/71) admitted to work-related stress causing job dissatisfaction with 71% (50/71) having experienced 3 or more stressful situations in the previous week. 56% (41/71) graded their occupational stress level at 4 or 5. Routine non-medical work and poor job prospects were the main factors causing job dissatisfaction. With regard to daily duties, the situations causing stress were acute emergency situations (51%, 36/71), being solely responsible for patients when on-call (52%, 19/36) and making decisions after a night on-call (76%, 50/67). The general attitudes of nursing staff were stressful to 40% (28/71) with 39% (27/71) stating having a difference of opinion with a nurse at least once every week. Relating to consultants was moderately stressful to 26% (19/71) and very stressful to 4% (3/71). Uncomfortable sleeping quarters and having insufficient time for meals were noted to be at least moderately stressful (stress levels 3 to 5) for 70% (50/71) and 92% (65/71) respectively. 59% (42/71) felt that their social life was greatly affected by their work. 68% (48/71) have considered leaving paediatrics with almost half (48%, 23/48) considering this seriously or very seriously. More than half stated that their alternative career choice would be general practice (61%, 29/48). The results of our survey show that work-related stress is common among paediatric NCHDs and is associated mainly with long working hours, sub-optimal on-call conditions, and dealing with very ill patients.

Female↗

Treatment policies among Israeli specialists in paediatric dentistry.

AIM: This was to evaluate some suggested diagnostic procedures, treatment policies and professional attitudes of specialists in paediatric dentistry, in light of the periodically published guidelines by The American Academy of Pediatric Dentistry, The European Academy of Paediatric Dentistry and The British Society of Paediatric Dentistry. METHODS: Using a structured questionnaire, 67% of the Israeli specialists in paediatric dentistry, who agreed to participate in this study, were personally interviewed. RESULTS: Only 7.5% of the participants reported that they carry out pulp capping of primary teeth in cases of pulp exposure. Over 50% reported restoring teeth after pulpotomy with preformed crowns. Most indicated sealing pit and fissures after considering depth and morphology of the fissures and correlation with the patient's risk to caries. Cleaning teeth after eruption of the first tooth was suggested by 75.5% of the participants. A striking majority (96%) claimed that they restored permanent anterior teeth with composite resins and most used these materials for occlusal restoration in both primary and permanent posterior teeth. Most specialists advocated the use of amalgam in proximal posterior restorations. The presence of a parent in the operatory/surgery was preferred by 85% of the dentists. CONCLUSIONS: Israeli specialists in paediatric dentistry mostly comply with the mentioned guidelines. Further studies of this nature should also be encouraged in other countries to emphasize the importance of monitoring compliance with established and evidence based guidelines.

Adult↗

Paediatric medulloblastoma cells are susceptible to Viscum album (Mistletoe) preparations.

BACKGROUND: Medulloblastoma constitute more than 20% of all paediatric brain tumours and are the most common malignant brain tumours in children. Adjuvant chemotherapy has seen a strong increase in the use of complementary medicine for cancer treatment. Evidence for cytotoxic and apoptotic effects of Viscum album (Mistletoe) in vitro is available, however, no data concerning paediatric tumours, especially paediatric brain tumours, has been provided so far. MATERIALS AND METHODS: In order to compare the receptiveness of medulloblastoma cells to different Viscum album preparations, in vitro cytotoxic effects of eight Viscum album extracts on four different paediatric medulloblastoma cell lines were analysed by MTT-Tests. Lectin contents of the extracts were determined to correlate them with the mitochondrial activity of mistletoe-treated cells. Flowcytometric analyses with Annexin V-FITC staining were carried out to quantify the amount of apoptotic cells compared to necrotic and viable cells. RESULTS: Data obtained with the medulloblastoma cell lines, Daoy, D342, D425 and UW-288-2, treated with Viscum album preparations from eight dissimilar host trees (Iscucin Abietis, Pini, Populi, Mali, Salicis, Crataegi, Quercus and Tiliae), indicated a significant growth-inhibition of all cell lines, yet the cell susceptibility was dissimilar against the different extracts. The decrease in mitochondrial activity and increase in apoptosis correlated with the lectin content of the used preparation in a dose-dependent manner. CONCLUSION: These in vitro results show that paediatric medulloblastoma cells respond to Viscum album preparations, by undergoing cell death through apoptosis and that this growth-inhibition correlates with the lectin content of the used preparation.

Annexin A5↗

A review of measles admissions and deaths in the paediatric ward of Goroka Base Hospital during 1989.

We reviewed all measles cases admitted to the paediatric ward of Goroka Base Hospital in 1989, and also interviewed a sample of measles patients attending the paediatric outpatient department. Measles accounted for 11% of all paediatric admissions and 32% of deaths. The case fatality rate for measles was 17%. Children with nosocomial infections and children with low birthweight were more likely to die. The most common complications of measles were pneumonia and diarrhoea, pneumonia being the most common cause of death. Twelve cases of subacute sclerosing panencephalitis were admitted during the year (0.5% of paediatric admissions). Measles was underreported because it was frequently omitted from the discharge diagnosis, the emphasis being placed on the complications. The majority of children with measles admitted to the ward and seen in outpatients had not been vaccinated. Nosocomial infections could have been reduced if all paediatric admissions aged 6-35 months had been vaccinated on admission. We strongly endorse the policy of vaccinating children in Papua New Guinea against measles from the age of 6 months.

Age Factors↗