Mechanism of action and pharmacologic effects
The substance exerts pronounced angioprotective and vasodilating effects. The main pharmacological effects include:
- suppression of platelet aggregation;
- improvement of microcirculation parameters;
- reduction of total peripheral vascular resistance;
- increase in oxygenation and improvement of tissue trophism;
- opening of collateral vessels and acceleration of regenerative processes.
Clinical indications
Drugs of this group are used in various vascular pathologies:
- Chronic lower extremity artery disease (stages II–IV), including critical limb ischemia.
- Presence of trophic ulcers and pronounced microcirculation disorders.
- Manifestations of Raynaud's syndrome.
- Postoperative states after vascular surgeries.
Contraindications and adverse reactions
The use of the drug has a number of strict contraindications and can cause adverse effects.
Contraindications
- decompensated heart failure and pulmonary edema;
- myocardial infarction within the last 6 months;
- severe cardiac arrhythmias;
- increased bleeding tendency, as well as pregnancy and lactation periods.
Adverse effects
Blood pressure fluctuations, tachycardia, headaches, myalgia, arthralgia, and local reactions are possible.
Wider vessels — fewer ulcers: microcirculation protection.
Class and exam questions
What are the main directions of the drug's action?
The drug exhibits vasodilating, antiplatelet, and vasoprotective effects, improving microcirculation and tissue trophism.
In what pathologies are such agents prescribed?
The main indications are obliterating arterial diseases, trophic ulcers, critical ischemia, and Raynaud's syndrome.
Which conditions are contraindications?
Use is limited in severe cardiac pathologies, bleeding tendencies, as well as during pregnancy and lactation.
What else to study on this topic
- Features of application in lower limb ischemia
- Pharmacological properties of purines
- Mechanisms of influence on erythrocyte and platelet aggregation
- Interaction with cardiac medications
- Management tactics for patients with trophic ulcers
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