Deprescribing in Older Adults: Attitudes, Awareness, Training, and Clinical Practice Among Portuguese Physicians.

Introduction: The importance of deprescribing in clinical practice is growing, particularly in aging populations with polypharmacy scenarios, making it a crucial matter in Portugal, one of Europe's most aged nations. The aim of this study was to investigate deprescribing awareness, training, attitudes, and practices among Portuguese physicians to inform future healthcare strategies.

Methods: A cross-sectional study using an anonymous online questionnaire was disseminated through the Portuguese Medical Association. It gathered sociodemographic and professional data, and insights into deprescribing awareness, attitudes, training, and practices. Descriptive statistics were summarized as frequencies, percentages, medians, and interquartile ranges. For inferential analysis, the Chi-square test and Fisher's exact test were used to evaluate categorical variables, and the Mann-Whitney U test was used for continuous variables. The significance level was set at p < 0.05.

Results: A total of 425 valid questionnaires were included. The participants were mostly women (61.6%), with a median age of 45 (IQR 34 - 42). General practice/family medicine (34.1%) and internal medicine (16.2%) were the most common medical specialties. While 81.2% of the respondents were familiar with the term 'deprescribing', 55.4% reported no training. A vast majority (91.9%) reported practicing deprescribing, but a smaller fraction employed specific methodologies to deprescribe (39.8%) and criteria for identifying potentially inappropriate medications (38.7%). Training in deprescribing was significantly associated with higher deprescribing awareness (p < 0.001), the use of specific deprescribing methods (p < 0.001), the use of criteria to identify potentially inappropriate medications (p < 0.001) and having certification in geriatrics by the Portuguese Medical Association (p = 0.006). Family physicians showed higher familiarity with and training in deprescribing than hospital-based specialists (p < 0.001). Deprescribing methodologies were adopted more often by family physicians than by hospital-based specialists (p = 0.004).

Conclusion: This study highlights widespread deprescribing awareness among Portuguese physicians, while simultaneously uncovering considerable gaps in training and inconsistencies in its application. These findings highlight the pressing need for targeted educational initiatives that could contribute to medication optimization for older adults in the national healthcare system. Furthermore, these findings emphasize the importance of policy development and medical education in promoting safe deprescribing.