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1.
Rev. colomb. ciencias quim. farm ; 50(2): 522-532, mayo-ago. 2021. tab
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1347338

ABSTRACT

RESUMEN Introducción: La esperanza de vida ha ido en aumento y la posibilidad de padecer una o más patologías crónicas, por ejemplo, diabetes mellitus, hipertensión arterial, etc. es alta. La respuesta a los medicamentos en los adultos mayores es marcadamente diferente que en los adultos no ancianos pues se trata de un organismo donde las consecuencias directas del envejecimiento son de relevancia (reducción de la capacidad metabólica del hígado, reducción de la capacidad de filtrado del riñón, hipoclorhidria, entre otros). Objetivo: Analizar la polifarmacia, la prescripción inapropiada y los eventos adversos en adultos mayores hospitalizados. Materiales y métodos: Estudio descriptivo de corte transversal. Resultados: Se estudiaron 318 pacientes. La frecuencia de pacientes polimedicados fue 89 % (283). La prescripción inapropiada, 18,9 %. Los fármacos mayormente presentes en los esquemas de pacientes polimedicados fueron benzodiacepinas, AINEs, anticoagulantes y antihipertensivos. Los pacientes con eventos adversos han sido 179 (56,3 %), de ese porcentaje un 30,2 % (54) ha recibido tratamiento con otro medicamento para resolver el evento producido por un medicamento, eso es la llamada cascada de prescripción o de medicamentos. Conclusiones: La polimedicación es alta y causa eventos adversos, es necesario insistir en el trabajo integral para reducir este problema sanitario.


SUMMARY Introduction: Life expectancy has been increasing and the possibility of suffering from one or more chronic pathologies, for example, diabetes mellitus, arterial hypertension, etc. is high. The response to medications in older adults is markedly different than in non-elderly adults since it is an organism where the direct consequences of aging are relevant (reduction of the metabolic capacity of the liver, reduction of the filtering capacity of the kidney, hypochlorhydria, among others). Objective: To analyze polypharmacy, inappropriate prescription, and adverse events in hospitalized older adults. Materials and methods: Descriptive cross-sectional study. Results: 318 patients were studied. The frequency of polymedicated patients was 89 % (283). Inappropriate prescription, 18.9 %. The drugs most present in the regimens of polymedicated patients were benzodiazepines, NSAIDs, anticoagulants and antihypertensives. Patients with adverse events have been 179 (56.3 %), of that percentage 30.2 % (54) have received treatment with another drug to resolve the event produced by a drug, which is the so-called prescription or prescription cascade. Conclusions: Polypharmacy is high and causes adverse events, it is necessary to insist on comprehensive work to reduce this health problem.


RESUMO Introdução: A expectativa de vida vem aumentando e a possibilidade de sofrer de uma ou mais patologias crónicas, como por exemplo, diabetes mellitus, hipertensão arterial etc. é alta. A resposta aos medicamentos em idosos é marcadamente diferente da de adultos não idosos, pois é um organismo onde as consequências diretas do envelhecimento são relevantes (redução da capacidade metabólica do fígado, redução da capacidade de filtragem do rim, hipocloridria, entre outros). Objetivo: Analisar polifarmácia, prescrição inadequada e eventos adversos em idosos hospitalizados. Materiais e métodos: Estudo transversal descritivo. Resultados: 318 pacientes foram estudados. A frequência de pacientes polimedicados foi de 89% (283). Prescrição inadequada, 18,9%. Os medicamentos mais presentes nos esquemas dos pacientes polimedicados foram benzodiazepínicos, AINEs, anticoagulantes e anti--hipertensivos. Os pacientes com eventos adversos foram 179 (56,3%), desse percentual 30,2% (54) receberam tratamento com outro medicamento para resolução do evento produzido por um medicamento, que é a chamada prescrição ou receita em cascata. Conclusões: A polifarmácia é elevada e causa eventos adversos, é necessário insistir em um trabalho abrangente para reduzir esse problema de saúde.

2.
Ciênc. Saúde Colet. (Impr.) ; 25(9): 3413-3419, Mar. 2020.
Article in English | LILACS, ColecionaSUS, SES-SP | ID: biblio-1133142

ABSTRACT

Abstract When Covid-19 emerged in December last year, there was no vaccine nor was there specific effective treatment for this fast-spreading and life-threatening viral respiratory infection. Clinical trials were planned and are in progress to investigate whether drugs used for influenza, HIV and other viruses, and also anthelmintics (ivermectin, nitazoxanide, niclosamide), and antimalarials (chloroquine, hydroxychloroquine) showing antiviral activity in in vitro assays, are effective and safe for Covid-19. So far there is no convincing evidence that these antiviral and antiparasitic drugs are of any benefit for Covid-19. Notwithsanding the absence of evidence of clinical efficacy, these drugs are widely used outside of clinical trials (off label) for prophylaxis and treatment of this viral infection. The rationale behind the prescription of macrolide antibiotics (azithromycin) for Covid-19 is obscure as well. The widespread prescription and use of drugs of unproven efficacy and safety for Covid-19 is at odds with the rational use of medicines, a cornerstone principle of pharmacotherapy advanced by WHO in 1985. This irrational use of drugs is cause for concern because some of them are associated with serious heart disorders and deaths.


Resumo Quando a Covid-19 surgiu em dezembro do ano passado, não havia vacina nem tratamento eficaz específico para esta infecção respiratória viral de rápida disseminação e risco de vida. Ensaios clínicos foram planejados e estão em andamento para investigar se os medicamentos usados para influenza, HIV e outros vírus e também anti-helmínticos (ivermectina, nitazoxanida, niclosamida) e antimaláricos (cloroquina, hidroxicloroquina) mostrando atividade antiviral em ensaios in vitro são eficazes e seguros para Covid-19. Até o momento, não há evidências convincentes de que esses medicamentos antivirais e antiparasitários sejam benéficos para a Covid-19. Não obstante a ausência de evidência de eficácia clínica, esses medicamentos são amplamente utilizados fora dos ensaios clínicos (off label) para profilaxia e tratamento dessa infecção viral. A lógica por trás da prescrição de antibióticos macrolídeos (azitromicina) para a Covid-19 também é obscura. A ampla prescrição e uso de medicamentos de eficácia e segurança não comprovadas para a Covid-19 está em desacordo com o uso racional de medicamentos, um princípio fundamental da farmacoterapia promovido pela OMS em 1985. Esse uso irracional de medicamentos é motivo de preocupação, porque alguns deles estão associados a graves doenças cardíacas e mortes.


Subject(s)
Humans , Pneumonia, Viral/drug therapy , Coronavirus Infections/drug therapy , Off-Label Use , Antiviral Agents/administration & dosage , Antiviral Agents/adverse effects , Pneumonia, Viral/virology , Practice Patterns, Physicians'/standards , Coronavirus Infections , Coronavirus Infections/virology , Inappropriate Prescribing/statistics & numerical data , Pandemics
3.
Medicina (B.Aires) ; 78(1): 11-17, feb. 2018. tab
Article in Spanish | LILACS | ID: biblio-894540

ABSTRACT

La combinación de prescripción inapropiada de medicamentos (PIM) y prescripción apropiada omitida (PPO) en ancianos requiere intervenciones múltiples para reducir su magnitud y los subsecuentes eventos adversos. Este estudio tiene como objetivo evaluar la PIM, la PPO, y los eventos adversos a medicamentos (EAM) antes y después de la intervención de un farmacéutico clínico sobre la prescripción del médico. En un estudio de tipo pre-post, se analizó la prescripción de un total de 16 542 fármacos realizada a 1262 pacientes aplicando los criterios STOPP-START (screening tool of older people's prescriptions/screening tool to alert to right treatment). La intervención consistió en la difusión de los criterios STOPP-START en todas las áreas del hospital mediante clases y publicaciones y las sugerencias diarias del farmacéutico clínico al médico responsable sobre la prescripción a cada paciente. Antes de la intervención, la PIM fue 48.9% al ingreso y 46.1% al egreso y luego de la intervención 47.4% al ingreso y 16.7% al egreso. La PPO antes de la intervención fue 10% al ingreso y 7.6% al egreso; después de la intervención fue 12.2% al ingreso y 7.8% al egreso. El porcentaje de pacientes con EAM fue 50.9% antes de la intervención y 34.4% después. Las readmisiones a emergencias fueron 12.2% y 4.7% antes y después de la intervención. La PIM, los EAM, el error de conciliación, la interacción medicamentosa clínicamente grave y el delirio fueron reducidos significativamente. Se concluye que, coincidiendo con buena parte de la literatura internacional, la intervención obtuvo resultados positivos.


Together, potentially inappropriate prescribing of medications (PIP) and appropriate prescribing omission (APO) constitute a problem that requires multiple interventions to reduce its size and the occurrence of adverse drug events (ADE). This study aims to assess PIP, APO, ADE before and after the intervention of a clinical pharmacist over medical prescriptions for elderly hospitalized patients. In a before-after study, a total of 16 542 prescriptions for 1262 patients were analyzed applying the criteria defined in both STOPP- START (screening tool of older people's prescriptions and screening tool to alert to right treatment). The intervention consisted in lectures and publications on STOPP-START criteria made available to all the areas of the hospital and suggestions made by the clinical pharmacist to the physician on each individual prescription. Before intervention, PIM was 48.9% on admission and 46.1% at discharge, while after the intervention it was 47.4% on admission and 16.7% at discharge. APO was 10% on admission and 7.6% at discharge, while after intervention it was 12.2% on admission and 7.9% at discharge. ADE were 50.9% before and 34.4% after intervention. The frequency of return to emergency was 12.2% and 4.7% before and after intervention. PIM, EAM, conciliation error, clinically serious drug interaction, and delirium were reduced to statistically significant levels. In line with various international studies, the intervention showed to attain positive results.


Subject(s)
Humans , Male , Female , Aged , Pharmacy Service, Hospital/standards , Inappropriate Prescribing/prevention & control , Health Services for the Aged/standards , Inappropriate Prescribing/statistics & numerical data , Hospitalization
4.
Medicina (B.Aires) ; 76(6): 362-368, dic. 2016. tab
Article in Spanish | LILACS | ID: biblio-841611

ABSTRACT

Una de las causas prevenibles de los eventos adversos a medicamentos (EAM) en la población adulta mayor es la prescripción inapropiada, (PIM), es decir aquella prescripción donde los riesgos superan los beneficios clínicos. Se propone conocer la incidencia de PIM con los criterios de Beers, los Screening tool of older person´s prescriptions (STOPP), la omisión de prescripción apropiada (PPO) con Screening tool to alert doctors to right treatment (START) y los costos medios de hospitalización. Es un estudio de incidencia de una muestra de pacientes > 64 años, internados en el periodo enero-julio 2014 en un hospital universitario. Se halló una incidencia de PIM de 61.4% con los criterios de Beers, 65.4% con STOPP y 27.6% de PPO con START. Se calculó una tasa de EAM de 15.2 EAM/100 admisiones y 18.6 EAM/1000 días paciente. El OR de EAM con PIM según Beers y STOPP fue 1.49 (IC95% 1.68-4.66) y 1.17 (IC95% 0.62-2.24) respectivamente. El costo de hospitalización en pacientes con EAM fue mayor que sin EAM (p = 0.020). Los resultados de PIM son similares a la mayoría de los estudios publicados, aunque levemente mayores para Beers y STOPP y menores para START. La tasa de EAM es inferior a la encontrada por Kanaan (18.7% vs. 15.2%). Hay una contribución de PIM a la aparición de EAM.


One of the causes of preventable adverse drug events (EAM) in the older adult population is the inappropriate prescription (PIM), i.e. that prescription where risks outweigh clinical benefits. The aim of this study is to determine the incidence of PIM with Beers criteria and Screening Tool of older person´s prescriptions (STOPP), Potentially Prescribing Omissions (PPO) with Screening Tool to alert doctors to Right Treatments (START), and the average costs of hospitalization. This is an incidence study on a sample of patients over 64 years hospitalized, from January to July 2014 at a university hospital. According to Beers criteria, PIM incidence was 61.4%, 65.4% with STOPP and 27.6% PPO with START. The EAM rate calculated was 15.2/100 admissions and 18.6 EAM / 1000 patient days. The OR of EAM with PIM according to Beers and STOPP was 1.49 (IC95% 1.68-4.66) and 1.17 (IC95% 0.62-2.24) respectively. The average cost of hospitalization in patients with EAM were higher than without EAM (p = 0.020). PIM results are in line with most of the studies cited, but slightly higher for Beers and STOPP and lower for START, and the rate of EAM is lower than the data found by Kanaan (18.7% vs. 15.2%). PIM contributes to the appearance of EAM. The costs of hospitalizations with EAM are higher than those without EAM, achieving level of significance.


Subject(s)
Humans , Male , Female , Aged , Aged, 80 and over , Drug-Related Side Effects and Adverse Reactions/epidemiology , Inappropriate Prescribing/adverse effects , Inappropriate Prescribing/statistics & numerical data , Argentina/epidemiology , Drug Prescriptions/economics , Drug Prescriptions/statistics & numerical data , Incidence , Retrospective Studies , Risk Factors , Age Factors , Inappropriate Prescribing/economics , Hospitalization/economics , Hospitalization/statistics & numerical data
5.
Article in Portuguese | LILACS | ID: lil-737699

ABSTRACT

The medical use of warfarin requires close monitoring because of its narrow therapeutic index. Thus, methods that enable effective monitoring to detect any adverse events (AEs) associated with this drug are necessary to improve the quality of health care. Many authors have proposed the use of triggers to search actively for possibleAEs. The aim of this study was to assess the possible use of vitamin K as a tracker of adverse bleeding events caused by warfarin in a public hospital specialized in cardiology in Rio de Janeiro. We applied the method of trigger tools (Institute for Healthcare Improvement, 2004; Rozichet al., 2003), which retrospectively analyzed the results of the use of vitamin K (phytomenadione), to screen for adverse bleeding events caused by warfarin, from October 2010 to March 2011. From an analysis of 46 medical records, 14 possible AEs were found. In 23 cases, internal bleeding was the cause of hospitalization. Despite difficulties, especially those related to poor access to data and quality of hospital records, the application of vitamin K as a trigger was found to be of great use in detecting hemorrhagic AEs associated with warfarin. This method has potential applications for monitoring the results of interventions, with a view to reducing the incidence of hemorrhagic adverse events...


O uso de varfarina requer monitoramento rigoroso devido a seu índice terapêutico estreito. Da mesma forma, a aplicação de métodos que permitam o monitoramento adequado de eventos adversos a este medicamento é necessária para que se possa contribuir com a qualidade do cuidado em saúde. O uso de marcadores para o processo de busca ativa de eventos adversos tem sido proposto por muitos autores. Neste trabalho, buscou-se avaliar o potencial de utilização do uso da vitamina K como rastreador de eventos adversos hemorrágicos causados por varfarina em um hospital público de alta complexidade em cardiologia do Rio de Janeiro. O método dos rastreadores ou trigger tools foi aplicado para análise retrospectiva da utilização da vitamina K (fitomenadiona) como rastreador de eventos adversos hemorrágicos causados por varfarina, no período de outubro de 2010 a março de 2011. Com base na análise de 46 prontuários, foram encontrados 14 possíveis eventos adversos. Em 23 casos, a hemorragia foi a causa da internação. Apesar das dificuldades, sobretudo relacionadas ao acesso às informações e à qualidade dos registros, a aplicação da vitamina K como rastreador se mostrou bastante útil na detecção de eventos adversos hemorrágicos por varfarina. A aplicação deste método como estratégia de monitoramento de eventos adversos, tem potencial para uso no acompanhamento dos resultados de intervenções visando à redução da incidência dos eventos adversos hemorrágicos...


Subject(s)
Male , Female , Adult , Middle Aged , Aged, 80 and over , Hemorrhage/complications , Warfarin/adverse effects , Vitamin K/pharmacokinetics , Cardiology , Hospitals, Public
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