Absorbable gelatin sponge
Absorbable gelatin sponge, also known as Gelfoam®, is a versatile and effective hemostatic agent used in various surgical procedures. Its unique properties make it a valuable tool for surgeons, offering a combination of absorbency, ease of use, and biocompatibility. Let’s delve deeper into the world of this remarkable medical material:
What is it?
Absorbable gelatin sponge is a sterile, sponge-like material made from purified porcine gelatin. It has a porous structure that allows it to absorb large amounts of blood and exudate (fluid from the wound). Once placed in the wound, the sponge gradually dissolves and is absorbed by the body over a period of 4-6 weeks, leaving no residue behind.
Applications:
Gelfoam is primarily used for:
- Controlling bleeding: Its absorbent nature helps stop bleeding from small blood vessels during surgery.
- Filling wound cavities: Its compressible nature helps fill irregular spaces and support tissue healing.
- Preventing adhesions: Its smooth surface can help prevent scar tissue from adhering to underlying organs.
- Spreading hemostatic agents: It can be used to deliver other clotting agents directly to the bleeding site.
Advantages:
- Highly absorbent: Can absorb up to 45 times its weight in blood.
- Easy to use: Sterile and ready-to-use, can be easily cut and shaped to fit the wound.
- Biocompatible: Non-toxic and well-tolerated by the body, gradually resorbed without adverse reactions.
- Minimally invasive: Requires minimal suturing or other invasive procedures for application.
Limitations:
- Not suitable for major bleeding: Should not be used for large or uncontrolled bleeding.
- Potential for infection: Requires proper sterilization and handling to prevent infection.
- May not be effective in all cases: Not suitable for all wound types, especially infected or heavily contaminated wounds.
Considerations for Use:
- The size and shape of the sponge should be chosen based on the wound size and location.
- Proper hydration with sterile saline is recommended before placing the sponge in the wound.
- The sponge should not be packed tightly into the wound to avoid pressure necrosis.
- Antibiotic prophylaxis may be necessary in certain situations to prevent infection.
Additional Notes:
- Gelfoam is available in various sizes, shapes, and pre-sterilized forms for different surgical needs.
- Research is ongoing to develop Gelfoam with additional properties, such as antimicrobial activity or drug delivery capabilities.
Absorbable gelatin sponge remains a valuable tool in the surgeon’s armamentarium. Its versatility, ease of use, and biocompatibility make it a reliable choice for controlling bleeding, filling wound cavities, and promoting healing. By understanding its properties and limitations, healthcare professionals can ensure safe and effective use of this remarkable biomaterial.
Suggested readings:
First Year Pharm D Subjects Syllabus, Notes, PDF Books, MCQ
1.1 | Human Anatomy and Physiology |
1.2 | Pharmaceutics |
1.3 | Medicinal Biochemistry |
1.4 | Pharmaceutical Organic Chemistry |
1.5 | Pharmaceutical Inorganic Chemistry |
1.6 | Remedial Mathematics/ Biology |