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Author

K. D. Dos Santos

4 papers indexed here

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Review Open access Jan 2026

Effect of Perioperative Benzodiazepine Use on Postoperative Delirium in Patients Undergoing Cardiac Surgery: A Systematic Review and Meta‐Analysis

Introduction Cardiac surgery anesthesia is associated with risks such as postoperative delirium (POD) and stress‐related responses. Benzodiazepines have been used perioperatively to reduce anxiety and promote hemodynamic control. However, their use may increase the risk of delirium, particularly in older adults. This s...

Kazitani Cunha Marcela da Silva, H. Faria, L. M. Barbosa et al. · 0 citations
Open access 2026

Physical activity, sedentary behavior and dynapenia: A cross-sectional study

Abstract Introduction: Population aging is a global phenomenon that brings with it significant challenges for public health, among which dynapenia, defined as the reduction of muscle strength associated with age. Objective: To analyze the association between the combination of physical activity level and sedentary beha...

Keila Talita Gonçalves dos Santos, K. D. Dos Santos, Tatiele Andrade Teixeira da Hora et al. · 0 citations
Open access 2026

Beamforming Direction of Arrival (DoA) Based in a Software-Defined Radio

Abstract This paper presents the development and experimental validation of a low-cost Direction of Arrival (DoA) estimation system using Software-Defined Radio (SDR) technology. The system employs an NI USRP B-210 with two printed log-periodic dipole antennas in a coherent configuration, implementing beamforming algor...

M. Perotoni, José D. N. Machado, K. D. Dos Santos · 0 citations
Open access Aug 2026

VITAMIN DEFICIENCIES AS CAUSES OF DEATH IN BRAZIL: A NEGLECTED EXPRESSION OF NUTRITIONAL VULNERABILITIES, 2010–2024

The growth in absolute burden, aging profile, and territorial heterogeneity reveal rare but relevant sentinel events, requiring nutritional surveillance, timely diagnosis, integrated care, and continuous improvement of mortality information.

Ludmila Macêdo Naud, Ana Patrícia Barros Câmara, Jéssica Santos Lemos et al. · 0 citations

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