Related Experiment Videos

Measuring adherence in a hypertension clinical trial

Glenys A Hamilton1

  • 1Principal Investigator and Consultant in Nursing Research, Guest Researcher, University of Oslo, Oslo, Norway. glenys@mac.com

European Journal of Cardiovascular Nursing
|November 19, 2003
PubMed

Insights

Medication adherence in hypertension varies significantly by measurement method. Electronic monitoring and self-report tools show differing adherence rates, impacting cardiovascular health outcomes.

Area of Science:

  • Pharmacology
  • Clinical Medicine
  • Health Services Research

Background:

  • Non-adherence to hypertension medication is a significant global health issue.
  • Improving medication adherence is crucial for reducing cardiovascular mortality rates.

Purpose of the Study:

  • To evaluate various methods for measuring medication adherence in hypertensive patients.
  • To compare adherence data obtained from electronic monitoring, self-report, and other clinical measures.

Main Methods:

  • A randomized clinical trial comparing study medication (potassium) versus placebo.
  • Utilized the Medication Event Monitoring System (MEMS) for electronic adherence tracking.
  • Incorporated capsule counts, self-report questionnaires, and physician estimates for comprehensive adherence assessment.

Main Results:

  • Adherence measurements showed considerable variability, with electronic monitoring (MEMS) at 58% and self-report items related to forgetfulness at 46-55%.
  • Other self-report measures and a general adherence scale indicated higher adherence rates (80-90%).
  • Electronic monitoring demonstrated the strongest correlation with capsule counts at the fifth visit.

Conclusions:

  • Different adherence measurement tools yield diverse results in hypertensive patients.
  • Healthcare providers should consider the limitations and variations in adherence assessment methods.
  • Further research is needed to optimize adherence monitoring strategies for better patient outcomes.
Abstract

Related Concept Videos

Errors occurring during blood pressure monitoring01:25

Errors occurring during blood pressure monitoring

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...
Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
Pre-Procedural Guidelines for Assessing Blood Pressure01:10

Pre-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.
Assessment of blood pressure in brachial artery(two-step method)01:23

Assessment 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...
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.
Hypertension V: Nursing Management01:23

Hypertension V: Nursing Management

The nursing management of hypertension involves accurately assessing symptoms, making a comprehensive nursing diagnosis, collaborating with patients to set goals, and implementing targeted interventions to mitigate the condition's impact and improve patient well-being.Comprehensive AssessmentThe initial step in nursing care for hypertension involves a thorough patient assessment. It includes evaluating symptoms such as headaches, dizziness, blurred vision, and previous hypertension episodes.