Related Experiment Videos
Digital pulse plethysmography--a tool for investigating vasoactive substances.
Methods and Findings in Experimental and Clinical Pharmacology
|September 1, 1985
Summary
Finger plethysmography, a century-old technique, effectively measures drug effects, particularly the vasodilating action of organic nitrates and their bioavailability. This study details its application and advancements for modern drug research.
Area of Science:
- Pharmacology
- Physiology
- Medical Technology
Background:
- Plethysmography has been utilized for over a century to assess human pharmacological responses.
- Finger plethysmography is a key method for studying the vasodilating effects of organic nitrates.
- This technique is also valuable for determining the relative bioavailability of nitrate drugs.
Purpose of the Study:
- To present personal experience with finger plethysmography for investigating organic nitrates.
- To describe an apparatus developed for electronic data processing of plethysmographic signals.
- To discuss the application of finger plethysmography for other vasodilating substances.
Main Methods:
- Utilizing finger plethysmography to measure pharmacological actions.
- Employing electronic data processing for plethysmographic signals.
- Investigating vasodilating effects of organic nitrates and other drug classes.
Main Results:
- Demonstrated the utility of finger plethysmography in studying organic nitrates.
- Presented a novel apparatus for enhanced signal processing.
- Explored the application of the method beyond organic nitrates.
Conclusions:
- Finger plethysmography is a versatile and established method for pharmacological research.
- The described apparatus facilitates more efficient data analysis.
- The method's potential extends to various vasodilating agents, with defined limitations.