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Local tissue effects of surface-applied ENT drugs
Acta Oto-Laryngologica
|July 1, 1975
Summary
Topical ENT drugs can cause varying degrees of tissue injury. Some drugs cause minimal microcirculatory disturbance, while others lead to tissue necrosis, necessitating cautious use, especially on injured tissues.
Area of Science:
- Otorhinolaryngology
- Pharmacology
- Toxicology
Background:
- Topical medications are frequently used in Ear, Nose, and Throat (ENT) treatments.
- Understanding the local tissue effects of these drugs is crucial for patient safety.
Purpose of the Study:
- To analyze the local tissue effects of selected topical ENT drugs.
- To evaluate the degree of tissue injury caused by these agents.
Main Methods:
- Utilized a testing system involving vital microscopy, infrared thermography, and microangiography.
- Experiments were conducted on hamsters and rabbits to assess tissue responses.
Main Results:
- Substances were graded into three groups (I-III) based on tissue damage.
- Group I drugs exhibited minimal microcirculatory disturbances.
- Group III drugs were associated with significant tissue necrosis.
Conclusions:
- Topical ENT drugs can induce varying levels of tissue damage.
- Caution is advised when using topical drugs, particularly on compromised tissues.