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Continuous Venous-Arterial Doppler Ultrasound During a Preload Challenge
Published on: January 20, 2023
Visit-to-Visit Systolic Blood Pressure Variability Predicts Long-Term Cardiovascular Events After Coronary Artery
Pujuan Liu1, Shang Wang2, Huili Liu1
1Department of Cardiac Surgery, The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China.
Journal of Clinical Hypertension (Greenwich, Conn.)
|July 6, 2026
Summary
High systolic blood pressure variability (SBPV) after coronary artery bypass grafting (CABG) predicts long-term adverse cardiovascular events. Monitoring blood pressure stability during transitional care can improve risk assessment for CABG patients.
Area of Science:
- Cardiology
- Vascular Surgery
- Clinical Outcomes Research
Background:
- Coronary artery bypass grafting (CABG) is a critical intervention for cardiovascular disease.
- Postoperative transitional care is essential for long-term patient recovery and outcomes.
- Systolic blood pressure variability (SBPV) is an emerging factor in cardiovascular risk assessment.
Purpose of the Study:
- To investigate if systolic blood pressure variability (SBPV) during the transitional care period predicts long-term outcomes after coronary artery bypass grafting (CABG).
- To determine the independent predictive value of SBPV for major adverse cardiac and cerebrovascular events (MACCE) post-CABG.
Main Methods:
- Prospective observational study of 120 patients undergoing isolated CABG.
- Office blood pressure measurements during a structured Transitional Care Service System.
- Quantification of SBPV using coefficient of variation (CV) and stratification into low- and high-variability groups.
Main Results:
- The high SBPV group had significantly more MACCE (26.3% vs. 6.8%, p = 0.005) compared to the low SBPV group.
- High SBPV was an independent predictor of MACCE (HR 2.85, p = 0.028) after multivariable adjustment.
- Mean systolic blood pressure was not found to be predictive of MACCE.
Conclusions:
- Visit-to-visit SBPV during postoperative transitional care is an independent predictor of long-term cardiovascular events following CABG.
- Monitoring SBPV may enhance risk stratification in patients after CABG.
- Blood pressure stability, not just mean levels, is crucial for predicting long-term outcomes in this population.
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01:21Sites for measuring blood pressure
Blood pressure measurement is a fundamental clinical procedure, providing crucial data for assessing cardiovascular health. Among the various sites for this measurement, the brachial and popliteal arteries are predominantly utilized due to their accessibility and the reliability of their readings. This lesson delves into the anatomical significance, methodology, and considerations of measuring blood pressure at these locations.
The Brachial Artery: Primary Site for Blood Pressure Measurement
The Brachial Artery: Primary Site for Blood Pressure Measurement
01:23Assessment of blood pressure in brachial artery(two-step method)
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...
01:28Special 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.
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.
01:19Assessing Blood pressure using a doppler ultrasound
To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
01:10Pre-Procedural Guidelines for Assessing Blood Pressure
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 patient.
01:17Measurement 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.