Chronic Kidney Disease and Dialysis patients all know that a cup of coffee can give them a much needed "boost" in the morning. However, it has been a mystery about if and how much caffeine is safe for patients. Well, a new study suggests that it has offered some clarification to help correct the confusion.
Recent studies have suggested that moderate coffee drinkers are less prone to developing and helping to improve Type II Diabetes as well as minimizing the risk of Alzheimer’s disease. Caffeine is also believed to reduce the risk of getting Parkinson’s disease. Specifically, research conducted regarding Chronic Kidney Disease patients showed "A protective effect of caffeine consumption among patients with Chronic Kidney Disease. The reduction in mortality was present even after considering other factors such as age, gender, race smoking, other diseases and diet,” Dr. Miguel Bigotte Vieira (study co-author) said.
The levels of caffeine in your cup of coffee can depend on a few different factors, including:
Type of coffee beans
How the beans were roasted
Type of coffee
Still, generally speaking, lighter roasts contain more caffeine than darker roasts. Moreover, brewed coffee (the most common coffee drunk across the US and Europe) contains 95mg of caffeine per serving, on average. Instant coffee usually contains less caffeine than other types, and one cup can contain 30mg to 90mg. On the other hand, a single espresso contains around 63mg of caffeine - with people generally choosing a double serving, equalling 126mg.
If you are on Dialysis then you should restrict your intake of coffee to 4 ounces in order to remain within your fluid restriction. If you are not on a fluid restriction (like many patients conducting Peritoneal Dialysis), a whole cup of coffee is acceptable (115 mg potassium, 8 mg phosphorus) but if you drink lots of coffee then your potassium could add up and create other heart-related issues.
Hence, while the observational data is promising, Chronic Kidney Disease and Dialysis patients should not overconsume caffeine since it can also lead to negative impacts on your health. Instead, discuss with your Healthcare Team how much daily caffeine is best for you - given your personal health challenges.
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