Hypertension: Urinating at night may indicate high blood pressure

Hypertension: Urinating at night may indicate high blood pressure

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New study: peeing at night indicates high blood pressure

A new study has shown that nocturnal urination can indicate high blood pressure. The more you have to go to the toilet at night, the higher the likelihood of hypertension.

Number one risk factor for cardiovascular diseases

Health experts say over a billion people worldwide suffer from hypertension. But many don't know about their high blood pressure. This can be dangerous: untreated hypertension is one of the greatest health risks in the western world. It is the number one risk factor for cardiovascular diseases and is therefore responsible for many deaths from heart attacks or strokes. So knowing the signs of high blood pressure can be life-saving. One of these is frequent urination at night. Japanese scientists have now found that out.

Indication of high blood pressure

Nocturia (increased urination at night) can be a sign of high blood pressure.

This is the result of a study recently presented at the Japanese Circulation Society (JCS 2019) scientific conference in Yokohama, the European Society of Cardiology (ESC) reports.

"Our study shows that if you have to urinate at night - called nocturia - you may have increased blood pressure and / or excess fluid in your body," said study author Dr. Satoshi Konno from Tohoku Rosai Hospital, Sendai, Japan.

"If you have nocturia, ask your doctor to check your blood pressure and salt intake."

Japanese eat more salt

Previous studies from Japan have shown that high salt intake is associated with nocturia, or that nighttime urination can be avoided by reducing salt consumption.

According to the ESC release, people in Japan eat more salt and are more sensitive to salt compared to western countries, which means that their salt pressure increases more with blood pressure.

Taken together, these two factors mean that people in Japan are at higher risk of developing high blood pressure.

Relationship between nocturia and high blood pressure examined

The current study examined the relationship between nocturia and high blood pressure in the Japanese population.

The researchers evaluated data from 3,749 residents of the Japanese city of Watari, for whom a health check was carried out in 2017.

Blood pressure was measured in the study participants. In addition, they should use a questionnaire to provide information about their nightly peeing.

Participants with blood pressure of 140/90 mmHg or higher or prescribed antihypertensive drugs were classified as hypertensive.
[GList slug = ”10-signs-for-hypertension”]

No causal relationship has been established

The scientists found that nocturia (one or more nocturnal events per night) was significantly associated with hypertension after checking for possible confounding factors.

The risk of high blood pressure increased significantly as the number of nocturia events increased each night.

"We found that getting up to urinate at night was 40 percent more likely to have hypertension," said Dr. Konno. "And the more visits to the toilet, the higher the risk of high blood pressure."

Of the 1,882 study participants who answered the questionnaire, 1,295 (69 percent) had nocturia.

Dr. However, Konno explained that the results did not establish a causal link between nocturia and hypertension and may not relate to populations outside of Japan.

"The relationship can be influenced by several factors, including lifestyle, salt consumption, ethnicity and genetic background," said the study author.

Prevent heart disease

“Hypertension is a national illness in Japan. The average salt intake in Japan is around 10 g / day, which is more than twice the global salt intake (4 g / day), "said Dr. Mutsuo Harada, press coordinator of the JCS 2019 conference.

"This excessive salt intake is related to our preference for seafood and soy sauces, making it difficult to limit the salt," said the expert.

“The early detection and treatment of hypertension are very important to prevent cardiovascular diseases. We should keep in mind that nocturia is caused not only by urinary organ problems, but also by systemic diseases such as high blood pressure. ”

ESC President Professor Barbara Casadei added: “More than a billion people worldwide suffer from high blood pressure. High blood pressure is the leading cause of premature death worldwide and caused almost ten million deaths in 2015. ”

And further: “The guidelines of the ESC recommend medication to reduce the risk of strokes and heart diseases. A healthy lifestyle is also recommended, including salt restriction, alcohol reduction, healthy eating, regular exercise, weight control and smoking cessation. ”(Ad)

Author and source information

Video: Blood Pressure and U. Anjay Rastogi, MD - UCLA Health (August 2022).