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Related Concept Videos

Factors affecting Blood pressure01:28

Factors affecting Blood pressure

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Several physiological and lifestyle factors influence blood pressure (BP). Understanding these factors is crucial as they are significant in patient education and blood pressure management.
Physiological Factors:
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Hypertension and Regulation of Blood Pressure01:18

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Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
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Blood Pressure01:30

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Blood pressure (BP) is the pressure or force of blood exerted on the artery's walls as it circulates through the body. It is essential for maintaining blood flow throughout the body.
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Special considerations while measuring blood pressure01:28

Special considerations while measuring blood pressure

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When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
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Measurement of Blood Pressure01:17

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Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
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The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
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Simultaneous Electrocardiography Recording and Invasive Blood Pressure Measurement in Rats
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Climate Influence on Blood Pressure Rhythms and Left Ventricular Parameters in Hypertensive Patients: Comparative

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  • 1Department of Clinical Pharmacology and Propaedeutics Internal Diseases of the Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University, Moscow, Russian Federation.

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Summary

Hypertension patients in Russia's subarctic regions show higher rates of non-dipping blood pressure. This pattern is linked to increased blood pressure variability and left ventricular hypertrophy, requiring climate-specific care.

Keywords:
Ambulatory Blood Pressure MonitoringArterial HypertensionCardiovascular ComplicationsCardiovascular Risk FactorsNocturnal BP Fall

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Area of Science:

  • Cardiology
  • Environmental Health
  • Hypertension Research

Background:

  • Arterial blood pressure (BP) rhythmicity can be influenced by climate, potentially affecting hypertension outcomes.
  • Geographic variations in climate may impact cardiovascular health in hypertensive individuals.
  • Understanding these variations is crucial for managing hypertension effectively.

Purpose of the Study:

  • To investigate arterial blood pressure (BP) rhythmicity characteristics in hypertensive patients.
  • To assess the influence of BP rhythmicity on left ventricular structure in different Russian climatic zones.
  • To compare hypertensive patients in temperate (Moscow) versus subarctic (Kamchatka) regions.

Main Methods:

  • 600 hypertensive patients were divided into temperate and subarctic groups.
  • Evaluations included cardiovascular ultrasound, SCORE 2, and Framingham Risk Scale.
  • Statistical analyses involved t-tests, Mann-Whitney U, and correlation analyses (P < 0.05).

Main Results:

  • 49% of subarctic patients exhibited non-dipping BP (<10% nocturnal reduction).
  • Non-dipping patterns correlated with increased diastolic BP variability and elevated Double Product.
  • Non-dipping ABPM patterns in subarctic residents were linked to cardiovascular risk factors.

Conclusions:

  • Subarctic residents show a higher prevalence of non-dipping BP patterns.
  • Non-dipping BP is associated with increased BP variability and left ventricular hypertrophy.
  • Tailored diagnostic and treatment strategies are needed for hypertension in diverse climatic conditions.