Análisis del grado de implantación de las prácticas de prevención de errores de medicación en los hospitales españoles (2022) / Analysis of the degree of implementation of medication error prevention practices in Spanish hospitals (2022)

Objetivo conocer el grado de implantación de las prácticas de prevención de errores de medicación en los hospitales españoles. Método estudio descriptivo multicéntrico del grado de implantación de las prácticas seguras recogidas en el «Cuestionario de autoevaluación de la seguridad del uso de los medicamentos en los hospitales. Versión II». Participaron aquellos hospitales españoles que cumplimentaron este cuestionario entre octubre de 2021 y septiembre de 2022. El cuestionario contiene 265 ítems de evaluación agrupados en 10 elementos clave. Se calculó la puntuación media y el porcentaje medio sobre el valor máximo posible para el cuestionario completo, los elementos clave y los ítems de evaluación. Los resultados se compararon con los del estudio realizado en 2011. Resultados participaron 131 hospitales de 15 comunidades autónomas. La puntuación media del cuestionario completo en los hospitales fue de 898,2 (57,4% del valor máximo posible). No se encontraron diferencias según la dependencia, el tamaño o la finalidad asistencial, ni en el cuestionario completo ni en los elementos clave. Presentaron los valores más bajos los elementos clave VIII, I y VI, sobre competencia y formación de los profesionales en prácticas seguras (45,1%), disponibilidad y accesibilidad de la información esencial sobre los pacientes (48%) y dispositivos para la administración de medicamentos (52,3%). Con respecto a 2011, se encontraron aumentos significativos tanto en el cuestionario completo como en los elementos clave, excepto en el V y VII, referentes a la estandarización, almacenamiento y distribución de medicamentos, y a los factores del entorno y recursos humanos. ...(AU)

Objective To assess the degree of implementation of medication error prevention practices in Spanish hospitals. Method Descriptive multicenter study of the degree of implementation of the safety practices included in the "Medication use-system safety self-assessment for hospitals. Version. II". Spanish hospitals that completed the questionnaire between October/2021 and September/2022 participated. The survey contains 265 items for evaluation grouped into 10 key elements. Mean score and mean percentages based on the maximum possible values for the overall survey, for the key elements and for each individual item of evaluation were calculated. The results were compared with those of the previous 2011 study. Results A total of 131 hospitals from 15 autonomous regions participated in the study. The mean score of the overall questionnaire in all hospitals was 898.2 (57.4% of the maximum possible score). No differences were found according to dependency, size or type of hospital, either in the overall questionnaire or in the key elements. The lowest values were found for key elements 8, 1 and 6, on competence and training of health professionals in safety practices (45.1%), availability and accessibility of essential information on patients (48%), and devices for administering drugs (52.3%). With respect to 2011, significant increases were found both in the overall questionnaire and in the key elements, except 5 and 7, referring to standardization, storage and distribution of medications, and environmental factors and human resources. Several evaluation items on the safe management of high-risk drugs, medication reconciliation, incorporation of clinical pharmacists into the healthcare teams and implementation of technologies that allow full traceability throughout the medication system, showed low percentages. Conclusions.... (AU)

Multicentre Study Into the Use of Polyethylene Glycol With Electrolytes Over at Least 6 Months to Treat Constipation in Paediatric Populations.

Background: Constipation is a common clinical problem in children, for which the first-line therapeutic options are osmotic laxatives, mainly polyethylene glycol (PEG). These treatments are often prescribed for short or limited periods, with progressive treatment withdrawal often resulting in relapses. However, there are a few studies into the long-term use (≥6 months) of PEG 3350 with electrolytes (PEG+E) in terms of the patients' clinical evolution. Objectives: To assess bowel movement and other relevant symptoms in children with constipation receiving PEG+E (≥6 months), as well as parent/caregiver satisfaction with this treatment. Methods: A retrospective, observational, descriptive, longitudinal, and multicentre study was carried out on 74 children diagnosed with functional constipation (ROME IV criteria) who had received PEG+E (≥6 months). Bowel control was assessed using the Bristol stool scale, and the parent's/caregiver's perception of the treatment was also evaluated employing a nonvalidated questionnaire. Results: Children with an average duration of constipation >1 year experienced a significant improvement in bowel movements and stool consistency when using PEG+E. The mean duration of use was 18.6 (±13.4) months, without the need to adjust the dose for weight. All clinical symptoms improved significantly except bloating, and all the parents/caregivers confirmed these clinical improvements. Conclusions: Children treated with PEG+E (≥6 months) normalised their bowel movements, improving the clinical symptoms related to constipation in the absence of serious advert events or the need for dosage adjustments due to weight gain. Parents/caregivers reported good satisfaction with PEG+E treatment.

[Translated article] Analysis of the degree of implementation of medication error prevention practices in Spanish hospitals (2022).

OBJECTIVE: To assess the degree of implementation of medication error prevention practices in Spanish hospitals. METHOD: Descriptive multicenter study of the degree of implementation of the safety practices included in the "Medication use-system safety self-assessment for hospitals. Version. II". Spanish hospitals that completed the questionnaire between October, 2021 and September, 2022 participated. The survey contains 265 items for evaluation grouped into 10 key elements. Mean score and mean percentages based on the maximum possible values for the overall survey, for the key elements, and for each individual item of evaluation were calculated. The results were compared with those of the previous 2011 study. RESULTS: A total of 131 hospitals from 15 autonomous regions participated in the study. The mean score of the overall questionnaire in all hospitals was 898.2 (57.4% of the maximum possible score). No differences were found according to dependency, size, or type of hospital, either in the overall questionnaire or in the key elements. The lowest values were found for key elements VIII, I and VI, on competence and training of health professionals in safety practices (45.1%), availability and accessibility of essential information on patients (48%), and devices for administering drugs (52.3%). With respect to 2011, significant increases were found both in the overall questionnaire and in the key elements, except V and VII, referring to standardization, storage, and distribution of medications, and environmental factors and human resources. Several evaluation items on the safe management of high-risk drugs, medication reconciliation, incorporation of clinical pharmacists into the healthcare teams, and implementation of technologies that allow full traceability throughout the medication system, showed low percentages. CONCLUSIONS: There has been appreciable progress in the degree of implementation of some medication error prevention practices in Spanish hospitals, but many proven efficacy practices recommended by the World Health Organization and safety organizations are still poorly implemented. The information obtained can be useful for prioritizing the practices to be addressed and as a new baseline for monitoring progress.

Analysis of the degree of implementation of medication error prevention practices in Spanish hospitals (2022). / Análisis del grado de implantación de las prácticas de prevención de errores de medicación en los hospitales españoles (2022).

OBJECTIVE: To assess the degree of implementation of medication error prevention practices in Spanish hospitals. METHOD: Descriptive multicenter study of the degree of implementation of the safety practices included in the "Medication use-system safety self-assessment for hospitals. Version. II". Spanish hospitals that completed the questionnaire between October/2021 and September/2022 participated. The survey contains 265 items for evaluation grouped into 10 key elements. Mean score and mean percentages based on the maximum possible values for the overall survey, for the key elements and for each individual item of evaluation were calculated. The results were compared with those of the previous 2011 study. RESULTS: A total of 131 hospitals from 15 autonomous regions participated in the study. The mean score of the overall questionnaire in all hospitals was 898.2 (57.4% of the maximum possible score). No differences were found according to dependency, size or type of hospital, either in the overall questionnaire or in the key elements. The lowest values were found for key elements 8, 1 and 6, on competence and training of health professionals in safety practices (45.1%), availability and accessibility of essential information on patients (48%), and devices for administering drugs (52.3%). With respect to 2011, significant increases were found both in the overall questionnaire and in the key elements, except 5 and 7, referring to standardization, storage and distribution of medications, and environmental factors and human resources. Several evaluation items on the safe management of high-risk drugs, medication reconciliation, incorporation of clinical pharmacists into the healthcare teams and implementation of technologies that allow full traceability throughout the medication system, showed low percentages CONCLUSIONS: There has been appreciable progress in the degree of implementation of some medication error prevention practices in Spanish hospitals, but many proven efficacy practices recommended by the World Health Organization and safety organizations are still poorly implemented. The information obtained can be useful for prioritizing the practices to be addressed and as a new baseline for monitoring progress.

Errores de medicación en niños que acuden a los servicios de urgencias pediátricas / Medication errors in children visiting pediatric emergency departments

Objetivos: la seguridad de los medicamentos en pediatría supone un verdadero reto. Se dispone de escasos estudios que hayan analizado los errores de medicación en los pacientes pediátricos que acuden a los servicios de urgencias. El objetivo de este estudio ha sido caracterizar los errores detectados en estos pacientes, determinando su gravedad, los procesos afectados, los medicamentos implicados y los tipos de errores y causas asociados. Métodos: estudio multicéntrico observacional prospectivo realizado en los servicios de urgencias de 8 hospitales públicos españoles durante 4 meses. Los errores de medicación detectados por los pediatras de urgencias en pacientes entre 0 y 16 años fueron evaluados por un farmacéutico y un pediatra. Los errores de medicación fueron analizados utilizando la Taxonomía Española de Errores de Medicación actualizada. Resultados: en 99.797 visitas a urgencias se detectaron 218 (0,2%) errores de medicación, de los cuales 74 (33,9%) causaron daños (eventos adversos por medicamentos). Los preescolares fueron el grupo poblacional con mayor número de errores de medicación (126/218). Los errores se originaron mayoritariamente en la prescripción (66,1%), por automedicación (16,5%) y por administración equivocada por parte de los familiares (15,6%). Los tipos de errores más frecuentes fueron: «dosis incorrectas» (51,4%) y «medicamento inapropiado» (46,8%). Los antiinfecciosos (63,5%) fueron los fármacos más comúnmente implicados en los errores con daño. Las causas subyacentes asociadas a una mayor proporción de errores de medicación fueron: «falta de conocimiento del medicamento» (63,8%), «falta de seguimiento de los procedimientos» (48,6%) y «falta de información del paciente» (30,3%). Conclusiones: los errores de medicación en la población pediátrica que acude a urgencias se producen en la prescripción, por automedicación y en la administración, provocando daños a los pacientes en un tercio de las ocasiones. ...(AU)

Objectives: Medication safety represents an important challenge in children. There are limited studies on medication errors in pediatric patients visiting emergency departments. To help bridge this gap, we characterized the medication errors detected in these patients, determining their severity, the stages of the medication process in which they occurred, the drugs involved, and the types and causes associated with the errors. Methods: We conducted a multicenter prospective observational study in the pediatric emergency departments of 8 Spanish public hospitals over a 4-month period. Medication errors detected by emergency pediatricians in patients between 0 and 16 years of age were evaluated by a clinical pharmacist and a pediatrician. Each medication error was analyzed according to the updated Spanish Taxonomy of Medication Errors. Results: In 99,797 visits to pediatric emergency departments, 218 (0.2%) medication errors were detected, of which 74 (33.9%) resulted in harm (adverse drug events). Preschoolers were the age group with the most medication errors (126/218). Errors originated mainly in the prescribing stage (66.1%), and also by self-medication (16.5%) and due to wrong administration of the medication by family members (15.6%). Dosing errors (51.4%) and wrong/improper drugs (46.8%) were the most frequent error types. Anti-infective drugs (63.5%) were the most common drugs implicated in medication errors with harm. Underlying causes associated with a higher proportion of medication errors were “medication knowledge deficit” (63.8%), “deviation from procedures/guidelines” (48.6%) and “lack of patient information” (30.3%). Conclusions: Medication errors presented by children attending emergency departments arise from prescriptions, self-medication, and administration, and lead to patient harm in one third of cases. Developing effective interventions based on the types of errors and the underlying causes identified will improve patient safety. (AU)

Pyogenic granuloma of the terminal ileum diagnosed by colonoscopy: the relevance of ileocecal valve intubation.

Pyogenic granuloma is a benign vascular lesion that is most frequently found in the epidermis or mucosa of the oral cavity. Its finding in the ileum is rare, there are only a few case reports. In most reported cases, diagnosis is made with capsule endoscopy or double-balloon enteroscopy. We present a case of a lesion in the ileum, approximately 15 cm from the ileocecal valve, documented by colonoscopy.

Endoscopic stent placement after spontaneous esophageal perforation associated with chemoradiotherapy for esophageal cancer.

A 38-year-old male with established diagnosis of stage IV squamous cell carcinoma of the esophagus treated with chemoradiotherapy (25 sessions of 50 Gy), presented with acute aphagia, thoracic pain, productive cough, and mild hemoptysis. Upon physical examination the right hemithorax presented with crepitations. An initial CT scan showed an esophageal perforation. An upper endoscopy was performed, visualizing the esophageal perforation in the mid third of the esophagus at 26 cm of the dental arcade. It was possible to bypass and intubate the stomach, enabling the placement of a guide wire under endoscopic visualization. Afterwards, a partially covered, self-expandable, metal stent (Wallflex esophageal stent 10 cm/18/23; Boston Scientific) was placed in the esophagus restoring continuity, visualized by fluoroscopy.

Population Pharmacokinetics of Valproic Acid in Pediatric and Adult Caucasian Patients.

(1) Background: The aim of this study was to explore the valproic acid (VPA) pharmacokinetic characteristics in a large population of pediatric and adult Caucasian patients and to establish a robust population pharmacokinetic (PopPK) model. (2) Methods: A total of 2527 serum VPA samples collected from 1204 patients included in a therapeutic drug monitoring program were retrospectively analyzed. Patients were randomly assigned to either a model development group or an external evaluation group. PopPK analysis was performed on 1751 samples from 776 patients with NONMEM using a nonlinear mixed-effect modelling approach. The influence of demographic, anthropometric, treatment and comedication variables on the apparent clearance (CL/F) of VPA was studied. The bootstrap method was used to evaluate the final model internally. External evaluation was carried out using 776 VPA serum samples from 368 patients. (3) Results: A one-compartment model with first-order absorption and elimination successfully described the data. The final model included total body weight, age and comedication with phenytoin, phenobarbital and carbamazepine with a significant impact on VPA elimination. Internal and external evaluations demonstrated the good predictability of the model. (4) Conclusions: A PopPK model of VPA in Caucasian patients was successfully established, which will be helpful for model-informed precision dosing approaches in clinical patient care.

External evaluation of population pharmacokinetic models of imatinib in adults diagnosed with chronic myeloid leukaemia.

AIMS: Imatinib is considered the standard first-line treatment in newly diagnosed patients with chronic-phase myeloid leukaemia (CML). Several imatinib population pharmacokinetic (popPK) models have been developed. However, their predictive performance has not been well established when extrapolated to different populations. Therefore, this study aimed to perform an external evaluation of available imatinib popPK models developed mainly in adult patients, and to evaluate the improvement in individual model-based predictions through Bayesian forecasting computed by each model at different treatment occasions. METHODS: A literature review was conducted through PubMed and Scopus to identify popPK models. Therapeutic drug monitoring data collected in adult CML patients treated with imatinib was used for external evaluation, including prediction- and simulated-based diagnostics together with Bayesian forecasting analysis. RESULTS: Fourteen imatinib popPK studies were included for model-performance evaluation. A total of 99 imatinib samples were collected from 48 adult CML patients undergoing imatinib treatment with a minimum of one plasma concentration measured at steady-state between January 2016 and December 2020. The model proposed by Petain et al showed the best performance concerning prediction-based diagnostics in the studied population. Bayesian forecasting demonstrated a significant improvement in predictive performance at the second visit. Inter-occasion variability contributed to reducing bias and improving individual model-based predictions. CONCLUSIONS: Imatinib popPK studies developed in Caucasian subjects including α1-acid glycoprotein showed the best model performance in terms of overall bias and precision. Moreover, two imatinib samples from different visits appear sufficient to reach an adequate model-based individual prediction performance trough Bayesian forecasting.

Population pharmacokinetics of a posaconazole tablet formulation in transplant adult allogeneic stem cell recipients.

BACKGROUND: Posaconazole is an antifungal agent extensively used as a prophylaxis for invasive fungal infections (IFIs) in allogeneic stem cell transplant (SCT) recipients. Low posaconazole concentrations have been associated with reduced clinical response. The aim of this study was to develop a population pharmacokinetic (popPK) model of a posaconazole tablet formulation in allogeneic SCT adult recipients for supporting model-informed precision dosing (MIPD). MATERIALS AND METHOD: Prospective observational study performed in adult allogeneic SCT recipients receiving posaconazole as prophylaxis for IFIs and followed up by a therapeutic drug monitoring (TDM) program. Posaconazole plasma concentrations were quantified using an ultra-high-performance liquid chromatography (UPLC) with UV detector. A popPK model was developed using NONMEM v.7.4.0. Deterministic and stochastic simulations were carried out with the final model to evaluate the differences across physiological variables with impact on drug exposure. RESULTS: A one-compartment model with sequential absorption (zero and first order) and first order elimination described adequately 55 posaconazole concentrations from 36 patients. Higher doses of posaconazole were found to be required by males and patients with lower values of total serum proteins. A nomogram to estimate the posaconazole daily dose based on pharmacokinetic/pharmacodynamic (PKPD) criterion for males and females for different values of total proteins was developed. CONCLUSIONS: Gender and total serum proteins have been identified as covariates influencing posaconazole CL/F in adult allogeneic SCT recipients receiving the delay-released tablet formulation. Additional studies are required to better characterize the absorption of posaconazole and implications on dosage recommendations together with potential safety concerns.

Long-term effectiveness and pharmacokinetics of the infliximab biosimilar CT-P13 after switching from the originator during the treatment of inflammatory bowel disease.

OBJECTIVE: Switching patients from the originator infliximab to a biosimilar is a measure to expand access to treatments and counteract its negative impact on healthcare budgets. However, industry-independent long-term studies on the effect of switching in real life to support the lack of switch-related problems in inflammatory bowel disease (IBD) patients are sparse, as are studies addressing infliximab pharmacokinetic behaviour. The objectives were to investigate the effectiveness and the pharmacokinetics of CT-P13 after switching from originator infliximab in a real-world population of IBD patients with a follow-up of 2 years. METHOD: Prospective, single-centre, observational 2 year study conducted in IBD adult patients with stable disease treated with the originator infliximab who were switched to CT-P13. Four time points were defined for follow-up: prior to the switch, 4-8 weeks after the switch, 8 months later, and 2 years later. Outcome measures were the proportion of patients with clinical, endoscopic and biochemical remission, and changes in biochemical inflammation markers (albumin, C-reactive protein, faecal calprotectin) and infliximab clearance. RESULTS: 42 IBD patients were switched, of which 36 (85.7%) remained on CT-P13 throughout the 2 year study period. Only two patients discontinued CT-P13 due to loss of response. The proportion of patients who displayed clinical, endoscopic and biochemical remission were unchanged during the follow-up (p<0.05) and no statistically significant changes were observed in the biochemical markers of disease activity. The median (IQR) clearance estimated for the infliximab originator before the change was 0.364 (0.321-0.415) L/day, and for the CT-P13 biosimilar it was 0.361 (0.323-0.415) L/day 4-8 weeks after the change, and 0.370 (0.334-0.419) L/day 2 years after (p=0.395). CONCLUSION: Switching from originator infliximab to biosimilar CT-P13 did not affect the long-term clinical outcomes or the pharmacokinetic behaviour. This information provides the clinician more evidence for the success of switching and supports non-medical switching in adult IBD patients.

Es el momento de revisar cómo se preparany administran los medicamentos inyectablesen los hospitales europeos / Time to review how injectable medicines are prepared and administered in European hospitals

Desde hace décadas se conoce que el uso de los medicamentos inyectables en los hospitales europeos se encuentra asociado a numerosos errores de medicación, algunos de los cuales provocan daños graves y muertes prevenibles. Se han publicado investigaciones e informes nacionales yeuropeos sobre la mejora de la seguridad del paciente que recomiendanuna mayor utilización de las unidades de preparación aséptica de los servicios de farmacia y la provisión de los medicamentos inyectables listos parasu administración, recomendaciones que apenas se han implementado.En Inglaterra, la experiencia de tratar a los pacientes con infecciónpor COVID-19 ha puesto de manifiesto otros beneficios que conlleva laampliación de las unidades de preparación aséptica de los servicios defarmacia. Estos beneficios incluyen ahorrar tiempo de enfermería, disponerde sistemas con mayor resiliencia y capacidad, reducir la variabilidad enla práctica, mejorar la satisfacción del personal clínico y del paciente, yfacilitar la administración de más medicamentos inyectables a los pacientesen sus domicilios. También se ha reconocido que se precisan actuacionesdirigidas a estandarizar las directrices y procedimientos de utilización delos medicamentos inyectables e implementar el uso de dispositivos de infusión inteligentes con software de reducción de errores de dosis, con el finde minimizar los errores en la administración de estos medicamentos. Los farmacéuticos de hospital tienen un papel clave en el desarrollo de estasactividades para que los servicios que prestan las farmacias hospitalarias europeas estén más en consonancia con los que se proporcionan en Norteamérica. (AU)

It has been known, for decades, that the use of injectable medicines inEuropean hospitals has been associated with frequent medication errors,some of which cause preventable severe harms and deaths. There havebeen national and European inquiries and reports concerning improvingpatient safety by recommending greater use of pharmacy aseptic preparation services and provision of ready-to administer injectables, which havenot been widely implemented.In England experience of treating patients with COVID-19 infectionshas brought into focus other benefits of significantly extending pharmacyaseptic preparation services. These benefits include saving nursing time,having systems in place which have resilience and capacity, reducingvariation in practice, improving clinical staff and patient experience, andenabling more injectable medicines to be administered to patients athome. It has also been recognised that more action is required to standardise policies and procedures for injectable medicines and implement theuse of smart infusion devices with dose error reduction software, to helpminimise drug administration errors.Hospital pharmacists have a key role in developing these servicesto bring European hospitals more in line with those provided by hospitalpharmacies in North America. (AU)

Time to review how injectable medicines are prepared and administered in European hospitals.

It has been known, for decades, that the use of injectable medicines in European hospitals has been associated with frequent medication errors, some of which cause preventable severe harms and deaths. There  have been national and European inquiries and reports concerning  improving patient safety by recommending greater use of pharmacy  aseptic preparation services and provision of ready-to administer  injectables, which have not been widely implemented.In England experience of treating patients with COVID-19 infections has  brought into focus other benefits of significantly extending pharmacy aseptic preparation services. These benefits include saving  nursing time, having systems in place which have resilience and capacity,  reducing variation in practice, improving clinical staff and patient  experience, and enabling more injectable medicines to be administered to  patients at home. It has also been recognised that more action is required  to standardise policies and procedures for injectable medicines and  mplement the use of smart infusion devices with dose error reduction  software, to help minimise drug administration errors.Hospital pharmacists have a key role in developing these services to bring  European hospitals more in line with those provided by hospital pharmacies in North America.

Desde hace décadas se conoce que el uso de los medicamentos  nyectables en los hospitales europeos se encuentra asociado a numerosos  errores de medicación, algunos de los cuales provocan daños graves y  muertes prevenibles. Se han publicado investigaciones e informes  nacionales y europeos sobre la mejora de la seguridad del paciente que  recomiendan una mayor utilización de las unidades de preparación  aséptica de los servicios de farmacia y la provisión de los medicamentos  inyectables listos para su administración, recomendaciones que apenas se  han implementado.En Inglaterra, la experiencia de tratar a los pacientes con infección por  COVID-19 ha puesto de manifiesto otros beneficios que conlleva la ampliación de las unidades de preparación aséptica de los servicios de farmacia. Estos beneficios incluyen ahorrar tiempo de enfermería,  disponer de sistemas con mayor resiliencia y capacidad, reducir la  variabilidad en la práctica, mejorar la satisfacción del personal clínico y del paciente, y facilitar la administración de más medicamentos inyectables a  los pacientes en sus domicilios. También se ha reconocido que se precisan  actuaciones dirigidas a estandarizar las directrices y procedimientos de  utilización de los medicamentos inyectables e implementar el uso de  dispositivos de infusión inteligentes con software de reducción de errores  de dosis, con el fin de minimizar los errores en la administración de estos  medicamentos. Los farmacéuticos de hospital tienen un papel clave en el desarrollo de  stas actividades para que los servicios que prestan las farmacias  hospitalarias europeas estén más en consonancia con los que se  proporcionan en Norteamérica.

Estudio multicéntrico de la incidencia y evitabilidad de los incidentes por medicamentos en pacientes que acuden a los servicios de urgencias pediátricas / Multicentric study on the incidence and preventability of medication-related incidents in patients visiting pediatric emergency departments

Objetivo: Determinar la incidencia, gravedad y evitabilidad de los incidentes por medicamentos detectados en los pacientes que acuden a losservicios de urgencias pediátricas, e identificar los grupos de edad demayor riesgo y los medicamentos implicados.Método: Estudio multicéntrico observacional prospectivo, realizadoentre marzo y junio de 2017, en pacientes entre 0 y 16 años que acudieron a los servicios de urgencias pediátricas de ocho hospitales públicosespañoles. Se recogieron tres tipos de incidentes: eventos adversos pormedicamentos, errores de medicación e intoxicaciones accidentales. Losincidentes se caracterizaron atendiendo a su gravedad, evitabilidad, grupos de edad afectados y medicamentos implicados.Resultados: Durante el periodo de estudio se registraron 99.797 visitasa los servicios de urgencias pediátricas y se recogieron 334 incidentes pormedicamentos en 334 pacientes, de los cuales el 52,4% fueron varones,con una media de edad de 47,1 ± 44,4 meses. La incidencia de pacientes con incidentes fue del 0,3%. Del total de incidentes, 264 (79%) fueronconsiderados prevenibles y 158 (47,3%) produjeron daño a los pacientes.Los incidentes detectados fueron 144 (43,1%) eventos adversos por medicamentos, 218 (65,2%) errores de medicación (74 de ellos errores con daño,que se incluyen asimismo como eventos adversos prevenibles) y 46 (13,7%)intoxicaciones accidentales. Los preescolares (edad: 1-5 años) presentaronel 60,8% de los incidentes, siendo también el grupo de edad con un mayorporcentaje de incidentes prevenibles (64%). Un total de 351 medicamentosestuvieron implicados en los incidentes y pertenecieron mayoritariamentea tres grupos terapéuticos: antiinfecciosos de uso sistémico (171; 48,7%),sistema nervioso (66; 18,8%) y sistema respiratorio (41; 11,7%). (AU)

Objective: To determine the incidence, severity, and preventabilityof medication-related incidents in patients visiting pediatric emergencydepartments, and to identify the highest-risk age groups and the drugsmost frequently involved.Method: This is a multicenter prospective observational study carriedout between March and June 2017 in patients between 0 and 16 yearsof age who visited the pediatric emergency department of eight Spanishpublic hospitals. We recorded and assessed three different types of incidents: adverse drug events, medication errors, and accidental self-poisoning. Incidents were characterized according to severity, preventability,age groups affected, and drugs involved.Results: During the study period, a total of 99,797 visits were recordedto the pediatric emergency departments following 334 drug-related incidents in as many patients, of whom 52.4% were male, with a mean age of47.1 ± 44.4 months. The incidence of patients with drug-related incidents was 0.3%. Of the total incidents, 264 (79%) were considered preventable and 158 (47.3%) had caused harm to patients. Incidents detectedincluded 144 (43.1%) adverse drug events, 218 (65.2%) medication errors(74 of them leading to harm; these are also included as preventable drugrelated adverse events), and 46 (13.7%) cases of accidental self-poisoning. Preschoolers (1-5 years of age) represented 60.8% of incidents andwere the age group with the highest percentage of preventable incidents(64%). A total of 351 drugs were involved in the 334 incidents detected,most of which fell into one of three therapeutic groups: anti-infectives forsystemic use (171; 48.7%), nervous system (66; 18.8%) and respiratorysystem (41; 11.7%). (AU)

Value of skin tests for managing allergic hypersensitivity reactions to platinum compounds.

Background Platinum-based therapy continues to be one of the pillars of the treatment of different types of cancer. However, many times the responsible clinician renounces its use after the appearance of a hypersensitivity reaction. Objective To assess the value of skin tests (ST) in clinical practice to address the treatment of patients with suspicion of immediate hypersensitivity reactions (HSRs) to platinum compounds. Method Single-center retrospective study of 3 years. Adult patients treated with any platinum compound who experienced HSR symptoms and for whom an oncologist requested ST, were included. ST with cisplatin, carboplatin and oxaliplatin were performed. Results Twenty-two patients were included. ST were positive in 12 patients (54.5%), of which 4 (33%) presented cross-reactivity to another platinum compound. Fifteen patients continued platinum-based chemotherapy: 9 patients with positive ST (4 continued by desensitization and 5 with another platinum compound) and 6 patients with negative ST, of which 1 repeated an HSR. A NPV of 0.91 was calculated. Conclusion ST helped physicians identify patients most susceptible to platinum derivative allergies and resume platinum-based therapy in many patients for whom no suitable therapeutic alternative was clinically acceptable.

Estudio multicéntrico de la incidencia y evitabilidad de los incidentes por medicamentos en pacientes que acuden a los servicios de urgencias pediátricas.

Objetivo: Determinar la incidencia, gravedad y evitabilidad de los  incidentes por medicamentos detectados en los pacientes que acuden a los servicios de urgencias pediátricas, e identificar los grupos de edad de mayor riesgo y los medicamentos implicados.Método: Estudio multicéntrico observacional prospectivo, realizado entre  marzo y junio de 2017, en pacientes entre 0 y 16 años que acudieron a los servicios de urgencias pediátricas de ocho hospitales públicos españoles. Se recogieron tres tipos de incidentes: eventos adversos por medicamentos, errores de medicación e intoxicaciones accidentales. Los incidentes se caracterizaron atendiendo a su gravedad, evitabilidad, grupos de edad afectados y medicamentos implicados.Resultados: Durante el periodo de estudio se registraron 99.797 visitas a los servicios de urgencias pediátricas y se recogieron 334 incidentes por medicamentos en 334 pacientes, de los cuales el 52,4% fueron varones, con una media de edad de 47,1 ± 44,4 meses. La incidencia de pacientes  con incidentes fue del 0,3%. Del total de incidentes, 264 (79%) fueron considerados prevenibles y 158 (47,3%) produjeron daño a los pacientes. Los incidentes detectados fueron 144 (43,1%) eventos adversos por medicamentos, 218 (65,2%) errores de medicación (74 de ellos errores con daño, que se incluyen asimismo como eventos adversos prevenibles) y 46 (13,7%) intoxicaciones accidentales. Los preescolares (edad: 1-5 años) presentaron el 60,8% de los incidentes, siendo también el grupo de edad con un mayor porcentaje de incidentes prevenibles (64%). Un total de 351 medicamentos estuvieron implicados en los incidentes y pertenecieron mayoritariamente a tres grupos terapéuticos: antiinfecciosos de uso sistémico (171; 48,7%), sistema nervioso (66; 18,8%) y sistema respiratorio (41; 11,7%).Conclusiones: La incidencia de incidentes por medicamentos en los pacientes pediátricos que acudieron a servicios de urgencias fue inferior a la referida en pacientes adultos, si bien prácticamente la mitad de los incidentes detectados causaron daños a los pacientes. Los niños preescolares (1-5 años) fueron identificados como el grupo de edad con mayor riesgo. Los incidentes registrados estuvieron causados por un número reducido de medicamentos. Un elevado porcentaje de los incidentes fueron prevenibles, lo que confirma la imperiosa necesidad de implementar medidas de prevención de incidentes en esta población.

Objetivo: Determinar la incidencia, gravedad y evitabilidad de los  incidentes por medicamentos detectados en los pacientes que acuden a los servicios de urgencias pediátricas, e identificar los grupos de edad de mayor riesgo y los medicamentos implicados.Método: Estudio multicéntrico observacional prospectivo, realizado entre  marzo y junio de 2017, en pacientes entre 0 y 16 años que acudieron a los servicios de urgencias pediátricas de ocho hospitales públicos españoles. Se recogieron tres tipos de incidentes: eventos adversos por medicamentos, errores de medicación e intoxicaciones accidentales. Los incidentes se caracterizaron atendiendo a su gravedad, evitabilidad, grupos de edad afectados y medicamentos implicados.Resultados: Durante el periodo de estudio se registraron 99.797 visitas a los servicios de urgencias pediátricas y se recogieron 334 incidentes por medicamentos en 334 pacientes, de los cuales el 52,4% fueron varones, con una media de edad de 47,1 ± 44,4 meses. La incidencia de pacientes  con incidentes fue del 0,3%. Del total de incidentes, 264 (79%) fueron considerados prevenibles y 158 (47,3%) produjeron daño a los pacientes. Los incidentes detectados fueron 144 (43,1%) eventos adversos por medicamentos, 218 (65,2%) errores de medicación (74 de ellos errores con daño, que se incluyen asimismo como eventos adversos prevenibles) y 46 (13,7%) intoxicaciones accidentales. Los preescolares (edad: 1-5 años) presentaron el 60,8% de los incidentes, siendo también el grupo de edad con un mayor porcentaje de incidentes prevenibles (64%). Un total de 351 medicamentos estuvieron implicados en los incidentes y pertenecieron mayoritariamente a tres grupos terapéuticos: antiinfecciosos de uso sistémico (171; 48,7%), sistema nervioso (66; 18,8%) y sistema respiratorio (41; 11,7%).Conclusiones: La incidencia de incidentes por medicamentos en los pacientes pediátricos que acudieron a servicios de urgencias fue inferior a la referida en pacientes adultos, si bien prácticamente la mitad de los incidentes detectados causaron daños a los pacientes. Los niños preescolares (1-5 años) fueron identificados como el grupo de edad con mayor riesgo. Los incidentes registrados estuvieron causados por un número reducido de medicamentos. Un elevado porcentaje de los incidentes fueron prevenibles, lo que confirma la imperiosa necesidad de implementar medidas de prevención de incidentes en esta población.

Development of a Trigger Tool to Identify Adverse Drug Events in Elderly Patients With Multimorbidity.

PURPOSE: Elderly patients with multimorbidity are especially vulnerable to adverse drug events (ADEs) and had high prevalence rates. Identifying ADEs is essential for enabling timely interventions that can mitigate the adverse events detected and for developing targeted strategies to prevent their occurrence as well as to monitor implementation. The aim of this study was to develop a set with appropriate triggers for detecting potential ADEs in elderly patients with multimorbidity. METHODS: A modified Delphi methodology was used to reach consensus. Existing triggers for detecting ADEs in adult patients were identified from a literature search in several databases (EMBASE, MEDLINE, Web of Science, Centre for Reviews and Dissemination, and Cochrane Library) and from Institute for Healthcare Improvement published lists. Twelve experts in patient/medication safety or in chronic diseases scored candidate triggers for appropriateness according to 3 criteria (evidence, usefulness for elderly patients, and feasibility of implementation in clinical practice). RESULTS: Seventy-two triggers were initially selected to be evaluated. The final set includes a total of 51 triggers for which the panelists who completed the 2 rounds of evaluation reached agreement. These triggers were organized into 5 modules: 11 as care module triggers, 10 as antidotes/treatment, 11 medication concentrations, 18 abnormal laboratory values, and 1 as emergency department trigger. CONCLUSIONS: A set of triggers for detecting ADEs in elderly patients with multimorbidity have been developed, following the consensus of a panel of experts. Subsequent validation in clinical practice is needed to confirm the accuracy and efficiency of these triggers for this population.

Relationship between vedolizumab serum concentrations in the induction phase and early and sustained response in the first year of treatment in patients with ulcerative colitis.

OBJECTIVE: Evidence on the usefulness of proactive monitoring of vedolizumab serum concentrations during the induction phase of treatment is limited. The objective of our study was to evaluate the effectiveness of measuring such concentrations during this phase in predicting response to  treatment in patients with ulcerative colitis with a view to determining whether  patients would benefit from early monitoring of  edolizumab serum concentrations. METHOD: This was a prospective descriptive study carried out at three public  general hospitals. It included adult patients with ulcerative colitis who were  initiated on vedolizumab at the participating hospitals from June 2019 to June  2020. Vedolizumab serum concentrations were determined  at weeks 6 and 14.  Response to treatment was biologically, clinically, and endoscopically  evaluated at weeks 6, 14, and 52. An analysis was made of the relationship  between vedolizumab serum concentrations at week 6 and early response to  treatment, and of the relationship between the vedolizumab serum  concentrations at weeks 6 and 14 and persistent response at one year. RESULTS: A total of 45 patients were included of whom 22 (49%) were considered non-responsive after one year and required intensification of treatment. The median (interquartile range) vedolizumab serum  oncentrations obtained at 6 weeks was higher in patients who obtained an  early response and in those who maintained the response at one year than  in  those who did not respond to vedolizumab [27.4 (19.0-40.8) µg/mL vs 15.6  (13.4-28.5) µg/mL; p = 0.018] and [29.9 (19.2-43.2) µg/mL vs 18.2 (15.4- 26.9) µg/mL; p = 0.022] respectively. Vedolizumab serum concentrations ≥  17.3 µg/mL at week 6 were predictive of a good early response, and  edolizumab serum concentrations ≥ 26.1 µg/mL at week 6 predicted a  sustained response at one year. No relationship was found between  edolizumab serum concentrations at week 14 and a sustained response. CONCLUSIONS: We observed a relationship between vedolizumab serum concentrations determined at week 6, and early and maintained  esponse to vedolizumab therapy in patients with ulcerative colitis, which  supports early drug monitoring during the induction phase to individualize  treatment and increase effectiveness.

OBJETIVO: La evidencia sobre la utilidad de la monitorización proactiva de las  concentraciones séricas de vedolizumab en la fase de inducción del tratamiento es limitada. El objetivo del estudio ha sido evaluar la capacidad de las concentraciones séricas de vedolizumab determinadas en esta fase para predecir la respuesta al tratamiento en pacientes con colitis ulcerosa, con  el fin de establecer si los pacientes se beneficiarían clínicamente de una  monitorización precoz.Método: Estudio descriptivo, prospectivo, realizado en tres hospitales generales públicos. Incluyó a los pacientes adultos con colitis  ulcerosa, que iniciaron tratamiento con vedolizumab en los centros  participantes desde junio de 2019 a junio de 2020. Se determinaron las  concentraciones séricas de vedolizumab en las semanas 6 y 14 de tratamiento.  La respuesta bioquímica, clínica y endoscópica se evaluó en las  semanas 6, 14 y 52. Se estudió la relación de las concentraciones séricas de  vedolizumab determinadas en la semana 6 con la respuesta temprana al  tratamiento, así como la relación de las concentraciones séricas de  vedolizumab en las semanas 6 y 14 con la persistencia de respuesta al año de  tratamiento. RESULTADOS: Se incluyeron 45 pacientes, de los que 22 (49%) se consideraron no respondedores al cabo de un año y necesitaron intensificar el  tratamiento. Las medianas (rango intercuartílico) de las concentraciones séricas de vedolizumab en la semana 6 fueron superiores,  tanto en los pacientes que presentaron respuesta temprana como en los que  mantuvieron respuesta al cabo de un año, comparadas con las de los pacientes que no respondieron a vedolizumab [27,4 (19,0-40,8) µg/ml vs  15,6 (13,4­28,5) µg/ml; p = 0,018] y [29,9 (19,2-43,2) µg/ml vs 18,2  (15,4­26,9) µg/ml; p = 0,022], respectivamente. Las concentraciones séricas  de vedolizumab ≥ 17,3 µg/ml en la semana 6 predijeron una buena respuesta  temprana, y concentraciones séricas de vedolizumab ≥ 26,1 µg/ml en la  emana 6 predijeron una respuesta mantenida al cabo de un año. No se  encontró relación entre las concentraciones séricas de vedolizumab en la  semana 14 y la respuesta mantenida. CONCLUSIONES: Se ha observado una relación entre las concentraciones séricas  de vedolizumab determinadas en la semana 6 y la  respuesta temprana y mantenida a la terapia en pacientes con colitis ulcerosa,  lo que avala la monitorización precoz durante la fase de inducción, para individualizar el tratamiento y aumentar su eficacia.