Dose-dependent effects of meclofenamate on peripheral vasculature of conscious rabbits.

Author: BanksR A, BeilinL J, SoltysJ

Paper Details 
Original Abstract of the Article :
1. Changes in systemic haemodynamics and organ blood flow were measured in conscious rabbits after various doses of intravenous sodium meclofenamate, an inhibitor of prostaglandin cyclo-oxygenase. 2. Meclofenamate had no effect on arterial pressure or cardiac output but caused a dose-dependent fall ...See full text at original site
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引用元:
https://doi.org/10.1042/cs0640471

データ提供:米国国立医学図書館(NLM)

Meflofenamate's Effects on Peripheral Vasculature

This study delved into the impact of meclofenamate, a drug that inhibits prostaglandin synthesis, on the blood vessels of conscious rabbits. It's like examining the intricate network of canals in a desert oasis, understanding how they transport vital resources to different areas. This study used a dose-dependent approach, administering various amounts of meclofenamate intravenously to observe its effects on blood flow to different organs. While meclofenamate did not affect overall blood pressure or heart output, it had a specific impact on blood flow to various organs. Interestingly, it decreased renal blood flow but increased blood flow to the brain, bronchial, hepatic, and testicular circulation. These findings suggest that prostaglandins, which are like messengers within the body, play a vital role in regulating blood flow in various organs.

Meflofenamate's Selective Vasoconstriction

The study revealed that meclofenamate exhibited selective vasoconstriction, meaning it narrowed certain blood vessels while widening others. This selective effect was observed at different doses, indicating a dose-dependent response. For instance, the lowest dose (0.75 mg/kg) impacted cerebral circulation, while higher doses were required to affect renal and bronchial (3 mg/kg), and testicular and hepatic (6 mg/kg) arteries. This highlights the complex interplay between prostaglandins and the regulation of blood flow in different parts of the body.

Understanding the Importance of Prostaglandins

This research emphasizes the crucial role of prostaglandins in maintaining vascular health. The selective vasoconstriction observed with meclofenamate highlights the importance of further investigation into the intricate functions of prostaglandins. Just like the desert sands hold a delicate balance of water and minerals, our body relies on a complex interplay of prostaglandins to regulate blood flow and maintain the health of our vital organs.

Dr. Camel's Conclusion

This study shines a light on the complexity of blood vessel regulation, revealing the fascinating interplay of prostaglandins and meclofenamate. It's like exploring a vast desert landscape, where every dune and valley plays a crucial role in the overall ecosystem. The selective vasoconstriction observed with meclofenamate suggests that understanding the intricate functions of prostaglandins is crucial for developing effective therapies for various vascular conditions.

Date :
  1. Date Completed 1983-05-05
  2. Date Revised 2019-08-21
Further Info :

Pubmed ID

6831835

DOI: Digital Object Identifier

10.1042/cs0640471

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SNS
PICO Info
in preparation
Languages

English

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