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Aim: Studies on frequencies of manipulated medicines in paediatric care are common, but there is little knowledge of experiences of pharmacists and registered nurses in this area. The aim of this study was to explore registered nurses' and pharmacists' reasoning in the manipulation of medicines to paediatric inpatients. Methods: Semistructured interviews with twelve registered nurses and seven pharmacists were performed at a Swedish paediatric university hospital. The interviews were transcribed verbatim and analysed using content analysis. Results: Four major categories emerged from the analysis of the interviews: medicines management, knowledge, consulting others and organisation. Medicines management involved the process of drug handling, which is prescribing, reconstitution or manipulation and administration. Knowledge concerned both the knowledge base and how healthcare personnel seek information. Consulting others involved colleagues, registered nurses and pharmacists, between registered nurses, pharmacists and physicians and between registered nurses, pharmacists and caregivers. Organisation covered documentation, time and working environment. Conclusion: Both pharmacists and registered nurses stated that manipulation of medicines to paediatric patients was often necessary but felt unsafe due to lack of supporting guidelines. Pharmacists were natural members of the ward team, contributing with specific knowledge about medicines and formulations. [ABSTRACT FROM AUTHOR]

Introduction: To investigate the dosing accuracy using split tablets in paediatric patients. Methods: Five brands of tablets (Alvedon®(paracetamol), Catapresan®(clonidine), Hydrocortone®(hydrocortisone), Prednisolon® (prednisolon) and Tavegyl®(clemastine) were split into halves and quarters by hand or by using a tablet splitter. The resulting halves and quarters were weighed. Results: Three out of the five tablet brands passed the test in the Ph. Eur. (European Pharmacopoeia) for subdivision of tablets when split once and when split twice to yield quarters only one of the tablets passed the test. When also applying the limit for relative standard deviation (RSD) from the US Pharmacopoeia only one of the tablet halves passed and the other two was just outside the limit. None of the tablet quarters passed the RSD limit. Conclusion: Our results indicate that tablets larger than 8 mm might be split once. Tablets should not be split more than once, due to uncertainty in dose accuracy. There is a need for more commercially available age-appropriate formulations. Extemporaneously prepared formulations should be considered as an alternative to the use of split tablets. [ABSTRACT FROM AUTHOR]

Background Little is known about adverse events (AEs) in pediatric patients. Record review is a common methodology for identifying AEs, but in pediatrics the record review tools generally have limited focus. The aim of the present study was to develop a broadly applicable record review tool to identify AEs in pediatric inpatients. Methods Using a broad literature review and expert opinion with a modified Delphi process, a pediatric trigger tool with 88 triggers, definitions, and descriptions including AE preventability decision support was developed and tested in a random sample of 600 hospitalized pediatric patients admitted in 2010 to a single university children's hospital. Four registered nurse-physician teams performed complete two-stage retrospective reviews of 150 records each from either neonatal, surgical/orthopedic, medicine, or emergency medicine units. Results Registered nurse review identified 296 of 600 records with triggers indicating potential AEs. Records (n = 121) with only false positive triggers not indicating any potential AEs were not forwarded to the next review stage. On subsequent physician review, 204 (34.0%) of patients were found to have had 563 AEs, range 1-27 AEs/patient. A total of 442 preventable AEs were found in 161 patients (26.8%), range 1-22. Overall, triggers were found 3,598 times in 417 (69.5%) records, with a mean of 6 (median 1, range 0-176) triggers per patient. The overall positive predictive value of the triggers was 22.9%, (range 0.0-100.0%). The final pediatric trigger tool, developed with a second Delphi round, required 29 triggers. Conclusions AEs are common in pediatric patients and most are preventable. The main contributions of this study are to further develop and adapt trigger definitions, including AE preventability decision support, to introduce new triggers in pediatric care, as well as to apply pediatric triggers in different clinical specialties. Our findings resulted in a national pediatric trigger tool, and might also be adapted internationally. The pediatric trigger tool can help healthcare organizations to measure and analyze the AEs occurring in hospitalized children in order to improve patient safety. [ABSTRACT FROM AUTHOR]

Aim: The aim of the present study was to validate the Mosteller formula for the estimation of body surface area (BSA) in various childhood ages. Many physiological processes including drug metabolism correlate with values for BSA. In addition, dosing of many drugs, especially drugs with low therapeutic index, for example, anti-neoplastics, are based on estimated values of BSA. Methods: Published data from measured BSA in 268 children and infants (median age: 8 month; range: 0-18 years) were compared with BSA values estimated by the Mosteller formula. Correlation between estimated and measured BSA values was performed by the Spearman rank correlation. Bias and precision were evaluated as outlined by Sheiner and Beal. Measured and estimated BSA values were compared by the Eksborg's plot. Results: Measured values of BSA and BSA values estimated by the Mosteller formula were closely correlated (rs = 0.973; p < 0.0001). The formula of Mosteller had with a precision of 9.38% and underestimated BSA by 4.06%. The quotients Estimated/Measured BSA were within the range 0.9-1.1 in 71.3% of the observations, but deviation up to 35% occurred. Conclusion: The Mosteller formula underestimates BSA in the paediatric population and must be used with precautions because of low precision, most pronounced in neonates and infants. [ABSTRACT FROM AUTHOR]

The nucleoside analog 2-chlorodeoxyadenosine (Cladribine, CdA) is used in the treatment of patients with several hematological malignancies. After administration of CdA, the major catabolite measured in plasma and urine is 2-chloroadenine (CAde). This study was performed to determine the pharmacokinetics after oral and intravenous (iv) infusion of CdA in patients treated for chronic lymphocytic leukemia and to evaluate the toxicity of CAde to leukemia cells in vitro. CdA and CAde were also determined in plasma from 31 patients and in urine from 16 patients with reversed-phase high-performance liquid chromatographic. The toxicity of CdA and CAde was also determined in leukemic cells from 7 patients by fluorometric microculture cyotoxicity assay. Five times more CAde was quantified after oral treatment compared with an iv infusion of CdA. After iv infusion, the half-life was the same for CdA and CAde, but after oral administration the half-life was doubled for CAde. Excreted amount of CAde in urine constituted about 1.1% after iv infusion and 4.7% after oral CdA treatment. In vitro exposure of leukemia cells to CAde showed that it was eight times less toxic as compared to CdA. We conclude that CAde has a lower cytotoxic effect than CdA but may contribute significantly to the cytotoxicity after oral administration. [Copyright &y& Elsevier]

Background Aim Method Results Conclusions The shift of treatment of paediatric cancer patients to include more care at home puts a lot of pressure on health care professionals (HCPs) to prepare and train parents on safe and correct drug handling at home. Parents must take in and understand the information presented to them while coping with their own fear related to their child's cancer diagnosis. In Sweden, parents are expected to handle and manipulate oral anticancer drugs (OADs) in the home setting. There is however a lack of a standardized method to inform and educate parents on how to handle OADs in a correct way at home.To describe parents' experiences of handling OADs at home after participating in an educational intervention.Educational intervention in the present study aimed to improve parents' knowledge in key concepts that is, handling OADs at home by using information presented in different forms. Fifteen parents to 12 children with cancer were recruited from a paediatric oncology ward in Sweden to participate in an interview. The interviews were transcribed verbatim and subjected to qualitative content analysis.Parents' experiences are presented in categories: Relieved stress, Awareness of own exposure, Facilitated my everyday life, Parents need continued support individually. The educational intervention resulted in both positive and negative feelings, increased awareness of drug exposure and correct drug handling at home. Practical training and information presented in different ways facilitated the process of drug handling. To handle the drug correctly at home parents requested to be trained and informed in the beginning of their child's oral drug treatment. In addition, parents requested to be individually approached by HCP to get answers to questions and concerns.This educational intervention study shows promising results for the method used by HCPs to inform and educate parents on complicated topics such as handling OADs at home. [ABSTRACT FROM AUTHOR]

The aim of this work was to analyse the characteristics of Questions and Answers (Q&As) at a drug information centre (DIC) regarding drug related problems and off-label drug treatment in children. All questions concerning children 15 years or younger at a DIC in Stockholm, Sweden during the years 1995-2004 were analysed with respect to the main drug related problem, drug/s and drug group/s, whether the drugs were licensed or not, pediatric labelling of the drug/s and age and sex of the patient. Q&As were classified as whether or not they included evaluated literature information, adding to the labelling of the drugs. We identified 249 Q&As concerning pediatric drug treatment. Each question addressed an average of 1.5 drugs. More than two-thirds of the Q&As concerned adverse drug reactions and pediatric drug choice or dosing. Every second question was classified as off-label, psychotropic drugs being the most common. In half of all off-label Q&As, pediatric documentation on drug efficacy and safety outside the Swedish catalogue of medical products was found. Most Q&As concerned newborns and infants. However, the off-label proportion among questions was highest in adolescence as well as the evaluated literature information, adding to the labelling of the drugs. It was thus found that off-label drug treatment is common among pediatric questions at a DIC. This service can provide additional literature based information contributing to a safer use of drugs in children. There is still, however, a substantial need for clinical documentation of drug use in children. [ABSTRACT FROM AUTHOR]

Background: Little is known about adverse events (AEs) in pediatric patients. Record review is a common methodology for identifying AEs, but in pediatrics the record review tools generally have limited focus. The aim of the present study was to develop a broadly applicable record review tool to identify AEs in pediatric inpatients.Methods: Using a broad literature review and expert opinion with a modified Delphi process, a pediatric trigger tool with 88 triggers, definitions, and descriptions including AE preventability decision support was developed and tested in a random sample of 600 hospitalized pediatric patients admitted in 2010 to a single university children's hospital. Four registered nurse-physician teams performed complete two-stage retrospective reviews of 150 records each from either neonatal, surgical/orthopedic, medicine, or emergency medicine units.Results: Registered nurse review identified 296 of 600 records with triggers indicating potential AEs. Records (n = 121) with only false positive triggers not indicating any potential AEs were not forwarded to the next review stage. On subsequent physician review, 204 (34.0%) of patients were found to have had 563 AEs, range 1-27 AEs/patient. A total of 442 preventable AEs were found in 161 patients (26.8%), range 1-22. Overall, triggers were found 3,598 times in 417 (69.5%) records, with a mean of 6 (median 1, range 0-176) triggers per patient. The overall positive predictive value of the triggers was 22.9%, (range 0.0-100.0%). The final pediatric trigger tool, developed with a second Delphi round, required 29 triggers.Conclusions: AEs are common in pediatric patients and most are preventable. The main contributions of this study are to further develop and adapt trigger definitions, including AE preventability decision support, to introduce new triggers in pediatric care, as well as to apply pediatric triggers in different clinical specialties. Our findings resulted in a national pediatric trigger tool, and might also be adapted internationally. The pediatric trigger tool can help healthcare organizations to measure and analyze the AEs occurring in hospitalized children in order to improve patient safety. [ABSTRACT FROM AUTHOR]

Aim: To explore the incidence and characteristics of inpatient neonatal adverse events in a Swedish setting. Methods: A retrospective record review, using a trigger tool, performed by registered nurses and a neonatologist, at a University Hospital. The identified adverse events were categorised by, for example, preventability, severity and time of occurrence. Results: A random selection of 150 admissions representing 3531 patient days were reviewed (mean [SD] birthweight 2620 [1120]g). Three hundred and sixty adverse events were identified in 78 (52.0%) infants, and 305 (84.7%) of these were assessed as being preventable. The overall adverse event rate was 240 per 100 admissions and 102.0 per 1000 patient days. Preterm infants had a higher rate than term infants (353 versus 79 per 100 admissions, p = 0.001); however, with regard to the length of stay, the rates were similar. Most adverse events were temporary and less severe (n = 338/360, 93.9%) and the most common type involved harm to skin, tissue or blood vessels (n = 163/360, 45.3%). Forty percent (n = 145) of adverse events occurred within the first week of admission. Conclusion: Adverse events were common in neonatal care, and many occurred during the first days of treatment. Characterisation of adverse events may provide focus areas for improvements in patient safety. [ABSTRACT FROM AUTHOR]

Background: Long term treatment of pediatric patients with oral anticancer drugs (OADs) requires the parents/caregivers to prepare the drug at home. The handling procedures in the home setting are, however, not regulated by Swedish law and the parents are often left without guidance on how to handle OADs in a safe way. Aim: The aim of this study was to increase understanding of how OADs are handled by parents/caregivers in the home setting before and after an intervention. Methods: Parents of pediatric cancer patients were observed and videotaped during their handling of OADs in the home setting before and after the intervention. During the intervention, the parents were provided with written instructions, movie clips and practical training on handling the OADs. Four checklists were used to compare and score the four handling procedures (measuring an oral suspension, cutting tablets, dissolving tablets, and opening capsules) for each parent before and after the intervention. Results: The intervention significantly improved the OAD handling procedures among the studied parents. The median score for correct handling was 19% (IQR: 3.6 to 30%) before the intervention and 89.5% (IQR: 71.5 to 94.5%) after the intervention (p < 0.0001). Conclusions: An intervention comprising practical training and information presented in different forms improved the handling of OADs at home by parents. There is an urgent need to implement this method in all oncology centers in Sweden, educate HCPs to standardize the presentation of information. There is also a great need to provide parents with age-appropriate oral drug formulations from the local hospital pharmacies in Sweden. [ABSTRACT FROM AUTHOR]

Aim: The aim of this study was to describe the experiences of parents handling oral anticancer drugs in a home setting. Methods: Parents of children with cancer were recruited from a paediatric oncology ward in Sweden to participate in an interview. The interviews were transcribed verbatim and subjected to qualitative content analysis. Results: We found the following categories and subcategories: parents' views on the provided information—lack of, too little or contradictory information, and parents' preferences for information delivery; safety over time; correct drug dose; and drug administration. As time passed, most parents adapted to their child's illness, felt safer and found it easier to take in and process any given information. Parents preferred information in different formats (written, movie clips and orally) and in their mother tongue. Many parents were aware of the importance of giving an accurate dose to their child and described the process of drug administration as overwhelming. Conclusion: Parents need to be provided with accurate, timely, nonconflicting and repeated information—in different forms and in their mother tongue—on how to handle oral anticancer drugs at home. [ABSTRACT FROM AUTHOR]

This is a registry-based study with the aim of describing and comparing the frequency of manipulations of solid oral and rectal medicines in 2009 and 2019 at inpatient units and an emergency department in a paediatric hospital within a Swedish university hospital. All patients aged 1 month–18 years with oral or rectal administrations were included. In total, 140,791 oral and rectal administrations were included in 2009, and 167,945 oral and rectal administrations were included in 2019. The frequency of patients receiving at least one manipulated oral medicine decreased between the study years, both in inpatient units and in the emergency department (from 19% to 17%, p = 0.0029 and from 11% to 5%, p < 0.0001, respectively). The frequency of patients receiving a manipulated rectal medicine also decreased between the study years, both in inpatient units and in the emergency department (from 22% to 10%, p < 0.0001 and from 35% to 7% 2019, p < 0.0001, respectively). The results show a decrease in the manipulation of both oral and rectal medicines to paediatric patients in 2019 compared to 2009. Even though this implies a safer practice, there is still a pronounced lack of child-friendly dosage forms and suitable strengths enabling the safe administration of medicines to sick children. [ABSTRACT FROM AUTHOR]

Aims: We performed a systematic analysis of which drugs, prescribed, over the counter (OTC), and/or natural remedies, children had used prior to visiting a pediatric emergency room (ER), and to compare this information with the documentation of drug use in the medical records. Methods: A questionnaire study was performed at a pediatric ER in a Swedish university hospital during 3 weeks in April 2008. The questionnaire was validated through an interview with a subgroup of participants. Only drug use associated with the time of that hospital visit was requested. Information was compared with information in medical records related to the same visit. Results: Two hundred and seventy-four children aged 0-18 (median 2) years were enrolled, representing 28% of the total number of patients visiting the ER within the time frame. Forty% ( n = 109) of participants reported use of prescribed drugs, 65% ( n = 172) OTC drugs, and 8% ( n = 17) natural remedies prior to the ER visit. The most common drugs in the three groups were salbutamol, paracetamol, and omega fatty acids, respectively. In the medical records, no more than 50% of the reported drug intake could be found, representing 74% of prescribed drugs but only 34% of OTC drugs and 27% of natural remedies. Conclusions: The majority of children had used drugs, both prescribed and OTC, before coming to the ER , but this drug intake, and especially that of nonprescribed drugs, was often not documented in the medical records. [ABSTRACT FROM AUTHOR]

We have used three different sources to estimate the use of drugs sold over the counter (OTC) by the Swedish paediatric population during 2007-2008 as part of a European evaluation initiated by the European Medicines Agency. An estimation of the paediatric use from the total numbers of over-the-counter drugs (OTCD) packages sold by Swedish pharmacies and analyses of two separate questionnaires directed towards a population of 11- to 14-year-old children and another towards visitors to one of the paediatric emergency wards in Stockholm County were included in the study. In Sweden, 1.25 OTC packages are sold quarterly per child (0-18 years), and the children in both questionnaire studies use, on average, 0.9 OTC substances. Sixty-five percent of the children visiting an emergency ward and 67% of the 13-year-old Stockholm inhabitants had used at least one OTCD. OTCD use among children is common. Interpretation of OTCD data must be done carefully since questions with regard to OTCD use is subject to recall bias and the number of packages sold to children is hypothesised through a conversion factor. [ABSTRACT FROM AUTHOR]

Aim: The aims were to characterise paediatric medication errors and to identify the prevalence of known high‐alert substances in these errors. Methods: All paediatric drug‐related incident reports and complaints nationally reported to the Health and Social Care Inspectorate in Sweden 2011‐2017 regarding inpatients were characterised by context and modal details. In addition, drug use at a university hospital was matched to local incident reports. Drug substances were classified using three high‐alert lists. Results: On a national level, there were 160 reports (2.5 per 10 000 patients) in which the three high‐alert lists were found in different degrees (17/35/47%). Morphine (n = 12), vancomycin (n = 11) and potassium (n = 7) were most frequently involved. Eighty per cent of the reports concerned patients aged 0‐6 years. Intravenous was the most common route of administration (66%). On a university hospital level, the prevalence of all types of drug incidents reports was 1.7% among all inpatients. The prevalence of local incident reports involving high‐alert substances was almost double that of non‐alert substances. Conclusion: Existing high‐alert drug lists are relevant for paediatric inpatients. A higher awareness and usage of such lists among hospital staff prescribing, dispensing and administering drugs to children may have the potential to reduce medication errors. [ABSTRACT FROM AUTHOR]

Purpose: The purpose of this study was to determine the 4β-hydroxycholesterol to cholesterol ratio in mothers and neonates at the time of birth and 4 months post-partum. Method: 21 mothers and 22 neonates were recruited at the delivery ward at Karolinska University Hospital, Huddinge, Sweden. Blood samples taken from mothers and neonates at birth and 4 months post-partum were analysed for 4β-hydroxycholesterol and cholesterol. Results: The median plasma concentration of 4β-hydroxycholesterol was higher in mothers at delivery (50 ng/mL) compared to healthy non-pregnant women (29 ng/mL). The pregnant women had a higher median cholesterol concentration (6.2 mmol/L) compared to healthy non-pregnant women (4.6 mmol/L) but this could only partly explain the increased 4β-hydroxycholesterol. The major cause is an increased CYP3A activity during pregnancy. The median 4β-hydroxycholesterol/cholesterol ratio·10 was elevated in mothers at time of birth compared to non-pregnant women (0.19 and 0.15, respectively) but decreased to 0.15 4 months post-partum. Neonates had a median 4β-hydroxycholesterol/cholesterol ratio·10 (0.19) comparable to adults already at birth, but lower 4β-hydroxycholesterol (12 ng/mL) and cholesterol (1.8 mmol/L) concentrations. Conclusion: Pregnancy leads to increased CYP3A enzyme activity as determined by the 4β-hydroxycholesterol/cholesterol ratio. Neonates have low 4β-hydroxycholesterol and cholesterol concentrations but similar total CYP3A activity as adults already at birth. [ABSTRACT FROM AUTHOR]

Purpose: The purpose of this study was to determine the 4β-hydroxycholesterol to cholesterol ratio in mothers and neonates at the time of birth and 4 months post-partum. Method: 21 mothers and 22 neonates were recruited at the delivery ward at Karolinska University Hospital, Huddinge, Sweden. Blood samples taken from mothers and neonates at birth and 4 months post-partum were analysed for 4β-hydroxycholesterol and cholesterol. Results: The median plasma concentration of 4β-hydroxycholesterol was higher in mothers at delivery (50 ng/mL) compared to healthy non-pregnant women (29 ng/mL). The pregnant women had a higher median cholesterol concentration (6.2 mmol/L) compared to healthy non-pregnant women (4.6 mmol/L) but this could only partly explain the increased 4β-hydroxycholesterol. The major cause is an increased CYP3A activity during pregnancy. The median 4β-hydroxycholesterol/cholesterol ratio·10 was elevated in mothers at time of birth compared to non-pregnant women (0.19 and 0.15, respectively) but decreased to 0.15 4 months post-partum. Neonates had a median 4β-hydroxycholesterol/cholesterol ratio·10 (0.19) comparable to adults already at birth, but lower 4β-hydroxycholesterol (12 ng/mL) and cholesterol (1.8 mmol/L) concentrations. Conclusion: Pregnancy leads to increased CYP3A enzyme activity as determined by the 4β-hydroxycholesterol/cholesterol ratio. Neonates have low 4β-hydroxycholesterol and cholesterol concentrations but similar total CYP3A activity as adults already at birth. [ABSTRACT FROM AUTHOR]

Aim: The aims were to characterise paediatric medication errors and to identify the prevalence of known high-alert substances in these errors.Methods: All paediatric drug-related incident reports and complaints nationally reported to the Health and Social Care Inspectorate in Sweden 2011-2017 regarding inpatients were characterised by context and modal details. In addition, drug use at a university hospital was matched to local incident reports. Drug substances were classified using three high-alert lists.Results: On a national level, there were 160 reports (2.5 per 10 000 patients) in which the three high-alert lists were found in different degrees (17/35/47%). Morphine (n = 12), vancomycin (n = 11) and potassium (n = 7) were most frequently involved. Eighty per cent of the reports concerned patients aged 0-6 years. Intravenous was the most common route of administration (66%). On a university hospital level, the prevalence of all types of drug incidents reports was 1.7% among all inpatients. The prevalence of local incident reports involving high-alert substances was almost double that of non-alert substances.Conclusion: Existing high-alert drug lists are relevant for paediatric inpatients. A higher awareness and usage of such lists among hospital staff prescribing, dispensing and administering drugs to children may have the potential to reduce medication errors. [ABSTRACT FROM AUTHOR]