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Related Concept Videos

Pre-Procedural Guidelines for Assessing Blood Pressure01:10

Pre-Procedural Guidelines for Assessing Blood Pressure

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Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the...
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Assessment of blood pressure in brachial artery(two-step method)01:23

Assessment of blood pressure in brachial artery(two-step method)

1.5K
Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
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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.
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.
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Measurement of Blood Pressure01:17

Measurement of Blood Pressure

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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...
2.7K
Errors occurring during blood pressure monitoring01:25

Errors occurring during blood pressure monitoring

1.3K
Blood pressure monitoring is a crucial clinical procedure in diagnosing and managing various cardiovascular conditions. Despite its significance, the accuracy of blood pressure measurements can be compromised by multiple factors, potentially leading to either falsely high or low readings. These inaccuracies are critical as they can significantly impact patient care. So, it is vital to understand these challenges deeply and adopt strategic approaches to minimize errors.
Several factors...
1.3K
Assessment of blood pressure in brachial artery(one-step method)01:15

Assessment of blood pressure in brachial artery(one-step method)

1.1K
This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
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Related Experiment Video

Updated: Jan 17, 2026

Improved Home Blood Pressure Control by CT-guided Ozone-mediated Renal Denervation for Patients with Resistant Hypertension
04:37

Improved Home Blood Pressure Control by CT-guided Ozone-mediated Renal Denervation for Patients with Resistant Hypertension

Published on: June 6, 2025

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Nomogram for Predicting Postoperative Blood Pressure Reduction in Hypertensive Patients: A Single-Center

Zongsu Zhang1, Xiaocheng Ma1,2, Zhaochen Li1

  • 1Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin, China.

International Journal of Medical Sciences
|September 17, 2025
PubMed
Summary

Robotic-assisted partial nephrectomy (RAPN) normalized blood pressure in over half of hypertensive patients with renal tumors. This procedure may offer a new treatment for hypertension by impacting the renin-angiotensin-aldosterone system.

Keywords:
hypertensionnomogramprediction modelrenal tumorsurgery

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Area of Science:

  • Nephrology
  • Urology
  • Cardiology

Background:

  • Hypertension is a significant global health concern.
  • Robotic-assisted partial nephrectomy (RAPN) has shown potential in normalizing blood pressure (BP) in hypertensive patients with renal tumors.
  • The mechanism involves denervation around the renal artery during surgery.

Purpose of the Study:

  • To investigate the effect of RAPN on blood pressure normalization in hypertensive patients with renal tumors.
  • To identify factors associated with BP normalization after RAPN.
  • To develop and validate a predictive model for BP normalization.

Main Methods:

  • Retrospective review of 260 hypertensive patients with renal tumors undergoing RAPN (January 2021-January 2024).
  • Follow-up of at least 3 months post-surgery.
  • Univariate and multivariate logistic regression analyses to identify predictors of BP normalization.
  • Nomogram model construction and validation using ROC, calibration, and decision curve analyses.

Main Results:

  • Blood pressure normalization was achieved in 55.38% (144/260) of patients post-RAPN.
  • Independent predictors of BP normalization included preoperative BP, circulatory diseases, plasma renin activity ratio (PRA), preoperative angiotensin II (AT II) levels, and Body Mass Index (BMI).
  • A validated nomogram model demonstrated strong predictive accuracy.

Conclusions:

  • RAPN can lead to significant blood pressure normalization in hypertensive patients with renal tumors.
  • The procedure appears to modulate the renin-angiotensin-aldosterone system through renal artery denervation.
  • This surgical approach presents a potential novel therapeutic strategy for managing hypertension.