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1.
Cureus ; 13(6): e15896, 2021 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-34322343

RESUMEN

Introduction Rational use of antimicrobial agents is necessary to prevent the emergence of drug resistance. This study aims to assess the prescription pattern of antibiotics using the Anatomic Therapeutic Chemical Classification (ATCC)/Defined Daily Dose (DDD) metrics in real-world practice. Methods A retrospective audit of antibiotics prescribed to patients admitted to a tertiary hospital over 20 months. The demographics and clinical information of patients were collected. The ATCC/DDD system was used to classify antibiotics. The DDD per 100 bed-days was calculated and the quality of prescription, including generic and parenteral formulation use, was evaluated. Results Nine-hundred ninety-four prescriptions were analyzed. The average number of antibiotics prescribed was 2±1. Only 23% of the patients had confirmed cases of bacterial infection. Imidazole derivatives (J01X) were the most prescribed antibiotics (68.8 DDDs per 100 bed-days) followed by cephalosporins (45.0 DDDs), beta-lactams (35.3 DDDs), fluoroquinolones (30.9 DDDs), and macrolides/lincosamides (14.4 DDDs). Sulphonamides/trimethoprim (4.7 DDD), aminoglycosides (0.8 DDD), penicillin (0.3 DDD), and carbapenems (0.1 DDD) were the least prescribed. Metronidazole was the most prescribed drug (34.2%). Generic names and parenteral formulations were used in 55% and 72% of antibiotics prescribed. Conclusion The continued low generics prescribing calls for interventions to be put in place to improve prescribing quality. Parenteral formulation prescribing encountered was very high, though this may not be unexpected in in-patients, it is vital to curtail the use of parenteral formulations so as to minimize the risk of infection. Irrational antibiotics prescription remains a serious concern in Nigeria. Drug utilization research using the ATCC/DDD metric is helpful in monitoring trends of drug use over time. This will help improve antibiotics stewardship and promote the rational use of antibiotics.

2.
Int J Clin Pharmacol Ther ; 55(3): 237-245, 2017 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-27509827

RESUMEN

OBJECTIVE: Compelling indications require the use of specific antihypertensive drug classes and often two or more antihypertensive medications for blood pressure (BP) control. This study assessed drug utilization patterns among hypertensive patients with compelling indications, conformity with recommended guidelines, and the effect on BP control. MATERIALS AND METHODS: A prospective, cross-sectional study of hypertensive patients attending three subspecialty hospital clinics. Data on demographics, prescriptions, and BP were collected. BP control was defined as BP less than 140/90 mmHg in nondiabetic subjects and less than 130/80 for those with diabetes. Analysis was done with SPSS version 17. RESULTS: Of the 1,926 patients with hypertension, 877 (45.5%) had compelling indications. Patients were aged 59.3 ± 11.5 years. The most frequently-encountered compelling indications were hypertensive heart disease (35.8%), diabetic mellitus (31.9%), and renal diseases (11.5%). The most prescribed drug was angiotensin-converting enzyme inhibitor (ACEIs), which was present in 22.6% of all prescriptions. Only 23.1% of patients had fully controlled BP. Poor BP control significantly correlated with the number of antihypertensive drugs r = 0.205, p < 0.001, but negatively correlated with age and duration of hypertension, r = -0.071, p = 0.038 and r = -0.448, p = 0.042, respectively. CONCLUSION: BP control was very poor in this study, and there was a high prevalence of compelling indications. Poor control was negatively correlated with increasing age and duration of hypertension. The most common compelling indications were hypertensive heart disease, diabetes mellitus, and renal disease.


Asunto(s)
Antihipertensivos/uso terapéutico , Presión Sanguínea/efectos de los fármacos , Hipertensión/tratamiento farmacológico , Pautas de la Práctica en Medicina/tendencias , Factores de Edad , Anciano , Antihipertensivos/efectos adversos , Comorbilidad , Estudios Transversales , Quimioterapia Combinada , Revisión de la Utilización de Medicamentos , Femenino , Adhesión a Directriz/tendencias , Humanos , Hipertensión/diagnóstico , Hipertensión/epidemiología , Hipertensión/fisiopatología , Masculino , Persona de Mediana Edad , Nigeria/epidemiología , Guías de Práctica Clínica como Asunto , Estudios Prospectivos , Factores de Tiempo , Resultado del Tratamiento
3.
Expert Rev Pharmacoecon Outcomes Res ; 16(5): 639-650, 2016 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-26567041

RESUMEN

Generic medicines have the same efficacy and safety as originators at lower prices; however, there are concerns with their utilization in Nigeria. Objective was to evaluate physicians' understanding and perception of generics. A questionnaire was administered among physicians working in tertiary healthcare facilities in four geo-political regions of Nigeria. Questionnaire response was 74.3% (191/257) among mainly males (85.9%). The mean knowledge score regarding generics was 5.3 (maximum of 9) with 36.6%, 36.1% and 27.2% having poor, average and good knowledge respectively. Cross-tabulation showed statistical significance (p = 0.047) with the duration of practice but not with position, subspecialty or sex. The majority of respondents did not believe that generic medicines are of lower quality than branded medicines. Therapeutic failure was a major concern in 82.7%, potentially discouraging the prescribing of generics, and a majority (63.9%) did not support generic substitution by pharmacists. Knowledge gaps were identified especially with the perception of generics, which need to be addressed.


Asunto(s)
Medicamentos Genéricos/uso terapéutico , Conocimientos, Actitudes y Práctica en Salud , Médicos/estadística & datos numéricos , Pautas de la Práctica en Medicina/estadística & datos numéricos , Actitud del Personal de Salud , Estudios Transversales , Sustitución de Medicamentos/psicología , Femenino , Humanos , Masculino , Nigeria , Percepción , Farmacéuticos/organización & administración , Rol Profesional , Encuestas y Cuestionarios
4.
Int J Clin Pharmacol Ther ; 53(3): 265-71, 2015 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-25613540

RESUMEN

OBJECTIVE: Health-related quality of life (HRQOL) in hypertensive patients may be influenced by the presence and the knowledge of disease, beliefs associated with the disease, blood pressure (BP) control, and drug utilization. The impact of hypertension on HRQOL in hypertensive patients compared to the normal population has not been assessed in Nigeria, the most populous country in sub-Saharan Africa. This study compares HRQOL in hypertensive patients and the normal population; the effect of BP control and medication on HRQOL of hypertensive patients is also assessed. MATERIALS AND METHODS: A prospective cross-sectional study of 713 individuals, 606 were hypertensive patients attending the University College Hospital in Oyo State, Nigeria, while 107 were normal persons residing in Ibadan. Data on sociodemographic status, clinical variables, and drug utilization were collected. World health organization-quality of life short version (WHO-QOL-BREF) questionnaires were used to assess HRQOL of participants. RESULTS: Hypertensive patients had poorer HRQOL compared with normal individuals in the physical health (p<0.05), psychological (p<0.01), and total quality of life domains. Blood pressure control had no effect on HRQOL in domain (p>0.05). Drug use significantly worsened HRQOL of hypertensive patients in the psychological (p˂0.01), social relationship (p<0.01), and the total quality of life domains (p<0.01). Multiple regression analysis showed that while income per month was positively predictive of physical, psychological, and total quality of life domains (r2=1.988, p=0.001; r2=3.710, p<0.001; r2=2.748, p<0.001), symptom count was negatively predictive of the same (r2=-0.746, p=0.005; r2=1.869, p<0.001; and r2=-1.094; p<0.001), respectively. Reduced symptoms and higher income improved quality of life in hypertensive patients. CONCLUSION: The presence of hypertension and antihypertensive medication reduced HRQOL of hypertensive patients, although BP control surprisingly did not impact HRQOL. However, lower symptom count and higher income improved quality of life.


Asunto(s)
Hipertensión/psicología , Calidad de Vida , Adulto , Anciano , Anciano de 80 o más Años , Antihipertensivos/uso terapéutico , Presión Sanguínea/efectos de los fármacos , Estudios de Casos y Controles , Comorbilidad , Estudios Transversales , Femenino , Conductas Relacionadas con la Salud , Encuestas de Atención de la Salud , Conocimientos, Actitudes y Práctica en Salud , Estado de Salud , Humanos , Hipertensión/diagnóstico , Hipertensión/tratamiento farmacológico , Hipertensión/epidemiología , Hipertensión/fisiopatología , Renta , Masculino , Persona de Mediana Edad , Nigeria/epidemiología , Estudios Prospectivos , Factores de Riesgo , Encuestas y Cuestionarios , Resultado del Tratamiento
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