Publication date: Jun 14, 2026
Background: The increasing incidence and improved survival rates of multiple myeloma (MM) have led to a growing healthcare burden, particularly in terms of hospitalizations. In addition, infection-related complications remain a major cause of morbidity and mortality in these patients. The impact of infection control measures implemented during the COVID-19 pandemic on hospitalization patterns in MM is not well-established. Methods: We conducted a retrospective observational study including all hospital admissions of patients with MM in a tertiary hospital in Spain across three different periods: 2008, 2018, and May 2020 to April 2021 (COVID-19 pandemic period). We analyzed the proportion of admissions, cumulative length of stay, causes of hospitalization, and infection-related complications. Results: The proportion of hospitalizations due to MM increased significantly from 14% in 2008 to 29. 8% in 2018 (p
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| Concepts | Keywords |
|---|---|
| Healthcare | COVID-19 |
| Myeloma | epidemiolo |
| Pneumonia | healthcare utilization |
| hospitalization | |
| infection | |
| multiple myeloma | |
| nosocomial pneumonia | |
| respiratory infections |