Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Measurement of Blood Pressure01:17

Measurement of Blood Pressure

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 stethoscope.
Blood Pressure01:24

Blood Pressure

The movement of blood in a human body, commonly referred to as blood flow, is determined by the volume of blood that traverses a certain section of the bodily system per unit time. It is the rhythmic contraction of the heart's ventricles that primarily instigates this movement. As the ventricles contract, blood is forced into the prominent arteries, which then flow from areas of greater pressure to lower pressure areas. This movement continues into smaller arteries and arterioles and...
Blood Pressure01:30

Blood Pressure

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.
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the diastolic...
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

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...
Autoregulation of Blood Flow01:17

Autoregulation of Blood Flow

Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation.
Special considerations while measuring blood pressure01:28

Special considerations while measuring blood pressure

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.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Physical activity patterns in chronic kidney disease.

BMC nephrology·2026
Same author

Characterization of participants with a disproportionate degree of hypertension-mediated organ damage: the Maastricht study.

Journal of hypertension·2026
Same author

The Effect of the Question Mark Option in Progress Testing: A Large-Scale Longitudinal Study.

Perspectives on medical education·2025
Same author

Creating a Globally Distributed Multinational Dialysis Database - The Apollo<i>DialDb</i> Initiative.

Kidney international reports·2025
Same author

Clinical Frailty Scale, Surprise Question and 1-year Mortality in Older Patients with Advanced CKD.

Kidney360·2025
Same author

Dialysis-imposed, weekly and seasonal patterns of physical activity: a multi-center prospective study in patients using a wearable activity tracker.

Clinical kidney journal·2025

Related Experiment Video

Updated: May 24, 2026

Evaluation of Cerebral Blood Flow Autoregulation in the Rat Using Laser Doppler Flowmetry
07:12

Evaluation of Cerebral Blood Flow Autoregulation in the Rat Using Laser Doppler Flowmetry

Published on: January 19, 2020

Fluid state and blood pressure control: no differences between APD and CAPD.

Trijntje T Cnossen1, Constantijn J A M Konings, Wouter J Fagel

  • 1Department of Internal Medicine, Maastricht University Medical Centre+, the Netherlands. ncnossen@amphia.nl

ASAIO Journal (American Society for Artificial Internal Organs : 1992)
|February 29, 2012
PubMed
Summary

Automated peritoneal dialysis (APD) and continuous ambulatory peritoneal dialysis (CAPD) showed similar fluid status and blood pressure control. CAPD patients had higher daily sodium removal, but overall outcomes were comparable in this study.

More Related Videos

Assessing Cerebral Autoregulation via Oscillatory Lower Body Negative Pressure and Projection Pursuit Regression
11:26

Assessing Cerebral Autoregulation via Oscillatory Lower Body Negative Pressure and Projection Pursuit Regression

Published on: December 10, 2014

Related Experiment Videos

Last Updated: May 24, 2026

Evaluation of Cerebral Blood Flow Autoregulation in the Rat Using Laser Doppler Flowmetry
07:12

Evaluation of Cerebral Blood Flow Autoregulation in the Rat Using Laser Doppler Flowmetry

Published on: January 19, 2020

Assessing Cerebral Autoregulation via Oscillatory Lower Body Negative Pressure and Projection Pursuit Regression
11:26

Assessing Cerebral Autoregulation via Oscillatory Lower Body Negative Pressure and Projection Pursuit Regression

Published on: December 10, 2014

Area of Science:

  • Nephrology
  • Renal Replacement Therapy
  • Dialysis Techniques

Background:

  • Peritoneal dialysis (PD) is a key treatment for end-stage renal disease.
  • Automated peritoneal dialysis (APD) and continuous ambulatory peritoneal dialysis (CAPD) are common PD modalities.
  • Comparing fluid status, blood pressure, and sodium removal between APD and CAPD is crucial for optimizing patient management.

Purpose of the Study:

  • To compare fluid state, ambulatory blood pressure, and sodium removal in patients undergoing APD versus CAPD.
  • To assess the efficacy of different PD modalities in managing fluid balance and hypertension.
  • To evaluate sodium removal efficiency in APD and CAPD treatments.

Main Methods:

  • Observational, cross-sectional study involving 20 APD and 24 CAPD patients.
  • Utilized 24-hour dialysate and urine collections for sodium removal assessment.
  • Employed bioimpedance analysis for fluid status and ambulatory blood pressure monitoring.

Main Results:

  • No significant differences in extracellular water (ECW) or normovolemia between APD and CAPD groups.
  • Systolic and diastolic blood pressures were comparable between APD and CAPD patients.
  • CAPD patients demonstrated significantly higher total daily sodium removal compared to APD patients (p=0.039).

Conclusions:

  • Despite higher sodium removal in CAPD, fluid status and blood pressure control were similar in both APD and CAPD groups.
  • Volume status and blood pressure are generally well-managed in an unselected PD population.
  • The choice between APD and CAPD may not significantly impact fluid balance and blood pressure control.