Occupational Burnout, Chronic Fatigue, and Mental Health Challenges Among Healthcare Professionals: An International Review with Perspectives from Latinoamerica

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Abstract
Burnout syndrome, chronic fatigue, and mental health disorders have become major occupational health concerns among healthcare professionals worldwide. The increasing complexity of healthcare systems, growing workloads, staffing shortages, administrative pressures, and exposure to emotionally demanding clinical environments have contributed to elevated levels of psychological distress across healthcare settings. This review aimed to analyze current scientific evidence regarding the determinants, manifestations, consequences, and intervention strategies associated with burnout, chronic fatigue, and mental health outcomes among healthcare workers from an international perspective, with particular attention to findings reported in Mexico, Colombia, and Ecuador. A structured literature review was conducted using scientific publications retrieved from major biomedical and multidisciplinary databases. The evidence consistently identified emotional exhaustion, sleep disturbances, anxiety symptoms, depressive manifestations, psychological distress, and chronic fatigue as the most frequently reported outcomes. Excessive workload, prolonged working hours, staffing shortages, administrative burden, and insufficient organizational support emerged as the principal occupational determinants associated with adverse psychological outcomes. Findings from Latin America closely paralleled international trends, demonstrating similar occupational challenges across diverse healthcare systems. The review also revealed that organizational interventions, including workload optimization, leadership development, institutional support programs, and access to mental health services, were generally more effective than isolated individual-focused approaches. These findings highlight the importance of comprehensive occupational health strategies aimed at protecting healthcare worker well-being, improving workforce sustainability, and enhancing healthcare quality. Continued efforts to address organizational stressors and promote supportive work environments are essential for strengthening the resilience of healthcare professionals and healthcare systems worldwide.