Flooding Linked To Increased Hospitalizations Among Older Adults

Trending 1 month ago

New investigation examining 17 years of information from Medicare hospitalization claims and awesome flooding events finds accrued rates of tegument diseases, tense strategy diseases, and injuries aliases poisonings among adults aged 65 and older pursuing awesome floods. Researchers from Harvard T.H. Chan School of Public Health, Ohio State University, University of Wisconsin–Madison, and Columbia University Mailman School of Public Health published nan findings successful nan journal Lancet Planetary Health.

While past investigation has been constricted to a azygous flood aliases a mini group of wellness outcomes, pinch small accusation connected older individuals, nan caller study provides robust, generalizable findings that tin pass flood mentation successful high-income countries.

The researchers matched Medicare hospitalization information from 2000 to 2016, representing adults aged 65 years and older, pinch satellite-based, high-resolution humanities flood maps from nan Global Flood Database. They estimated comparative percent changes successful hospitalization rates for 13 illness categories wrong 4 weeks pursuing flood exposure. These included 72 important flood events and complete 4.5 cardinal hospitalizations.

They observed elevated rates of hospitalization connected mean during and pursuing flood vulnerability for tegument diseases (3⋅1%), nervous system diseases (2.5%), musculoskeletal strategy diseases (1.3%), and injuries aliases poisoning (1.1%). Communities pinch little proportions of Black residents knowledgeable worsened effects for tense strategy diseases (7.6%), whereas tegument diseases (6.1%) and intelligence health-related impacts (3.0%) were much pronounced for areas pinch larger percentages of Black residents during flood exposure.

Older adults are peculiarly susceptible to flood-related wellness impacts because of their weakened immune systems, restricted mobility, constricted expertise to header pinch ambiance hazards owed to pre-existing conditions specified arsenic dementia, and mediocre entree to aesculapian services for regular appointments.

Skin diseases whitethorn beryllium nan consequence of vulnerability to polluted h2o sources, crowded shelters, and mediocre sanitation. Seizures could originate from traumatic encephalon injuries sustained during floods. For individuals pinch epilepsy, flood events tin induce accent and fatigue that mightiness consequence successful mediocre seizure control. Musculoskeletal strategy hospitalizations whitethorn consequence from underlying conditions and delays successful seeking care, arsenic good arsenic injuries from flood clean-up. Distinct patterns of pre-existing conditions, lodging quality, and entree to emergency resources whitethorn explicate why immoderate wellness impacts of flooding are much acute for Black communities. Another imaginable mentation is differences successful entree to attraction and implicit biases successful nan coding of illness conditions betwixt group groups.

"The findings of this study supply important caller insights into nan diverse, and antecedently underappreciated, wellness consequences of floods successful older adults and tin guideline flood-specific resilience-building efforts to protect nationalist wellness nether ambiance change," nan researchers write. "Targeted outreach and robust removal readying for susceptible populations, specified arsenic older individuals, on pinch community-based alert systems, are important to minimizing wellness impacts. Hospital infrastructure should beryllium equipped to usability during flood events by moving basal components supra flood levels, and mobile medicine units and telemedicine tin service arsenic effective alternatives if entree to hospitals is temporarily eliminated. Drones tin besides present basal aesculapian supplies to flood-affected hospitals aliases thief place safe removal routes successful existent clip to guideline emergency responders," they conclude.

The study's lead writer is Sarika Aggarwal, a PhD campaigner astatine Harvard Chan School. Additional authors see Jie K. Hu ( Ohio State University), Jonathan A. Sullivan (University of Wisconsin–Madison), Robbie M. Parks (Columbia University Mailman School of Public Health), and Rachel C. Nethery (Harvard Chan School).

Funding for nan study was provided by nan Harvard Data Science Initiative, Harvard Graduate Prize Fellowship, Sloan Foundation (grant number G20201394), and National Institutes of Health (grants ES032458, ES000002, ES033742, ES007142, ES7069). 

Source:

Journal reference:

Aggarwal, S., et al. (2025). Severe flooding and cause-specific hospitalisation among older adults successful nan USA: a retrospective matched cohort analysis. The Lancet Planetary Health. doi.org/10.1016/S2542-5196(25)00132-9.

More