Old Houses, Carbon Monoxide, Alzheimers

There are many factors that can inflame the body especially the brain. We have to check our old homes in the bay area for carbon monoxide poisoning as one senior who died of Alzheimer's has carbon monoxide toxicity.

The present study evaluated the dementia risk after carbon monoxide poisoning (CO poisoning). … This study suggests that CO poisoning may have association with the risk of developing dementia, which is significant for severe cases.
The present study evaluated the dementia risk after carbon monoxide poisoning (CO poisoning).
Using the National Health Insurance Research Database of Taiwan, a total of 9041 adults newly diagnosed with CO poisoning from 2000 to 2011 were identified as the CO poisoning cohort. Four-fold (N = 36,160) of non-CO poisoning insured people were randomly selected as controls, frequency-matched by age, sex, and hospitalization year. Incidence and hazard ratio (HR) of dementia were measured by the end 2011.
The dementia incidence was 1.6-fold higher in the CO exposed cohort than in the non-exposed cohort (15.2 vs 9.76 per 10,000 person-years; n = 62 vs 174) with an adjusted HR of 1.50 (95% CI = 1.11–2.04). The sex- and age-specific hazards were higher in male patients (adjusted HR = 1.74, 95% CI = 1.20–2.54), and those aged <=49 years (adjusted HR = 2.62, 95% CI = 1.38–4.99). CO exposed patients with 7-day or longer hospital stay had an adjusted HR of 2.18 (95% CI = 1.42, 3.36). The CO poisoning patients on hyperbaric oxygen (HBO2) therapy had an adjusted HR of 1.80 (95% CI = 0.96–3.37).
This study suggests that carbon monoxide poisoning may have association with the risk of developing dementia, which is significant for severe cases. The effectiveness of HBO2 therapy remains unclear in preventing dementia. Patients with CO poisoning are more prevalent with depression.

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