DRESSING THE PART
Section snippets
PHYSIOLOGY OF WOUND HEALING
Wound healing is generally thought to consist of four phases: hemostasis, inflammation, granulation, and tissue remodeling.* While these phases are discussed as distinct components later in this article, wound healing is more of a continuous, well-orchestrated sequence of events involving cell–cell and cell–matrix interactions. The four phases of wound healing often overlap and are regulated by growth factors that serve as messengers between the
Partial-Thickness Wounds
Partial-thickness wounds are produced when the epidermis and some portion of the dermis are lost. This type of wound is commonly created by shave excisions, curettage and electrodesiccation, dermabrasion, chemical peels, and CO2 laser surgery. Healing in partial-thickness wounds progresses relatively quickly with re-epithelialization by keratinocytes from wound edges and adnexal structures. The amount of granulation, wound contracture, and scarring in the wound depends on the depth of dermal
TOPICAL AGENTS
Topical agents are commonly used in postsurgical wound care. Topical antiseptics and antibiotic ointments are used in an attempt to reduce bacterial counts where they are applied, and subsequently to reduce the rate of wound infections. Hemostatic agents are also commonly used to control bleeding. Topical growth factors are relatively new products with some promising results reported for a future role in wound healing.
ANTIBIOTIC PROPHYLAXIS
Antibiotic prophylaxis in dermatologic surgery is usually used to prevent wound infection or the development of bacterial endocarditis. Although there is clear support for the use of antibiotics in some cases, dermatologic surgeons face scenarios every day in which evidence for their use is not so clear. Haas and Grekin have recently reviewed the literature as it pertains to this subject54 and their findings are the basis for most of this section.
WOUND DRESSINGS
Prior to the early 1960s, wounds were thought to heal more quickly and better if kept open to the environment and allowed to form a dry crust. Dressings had hardly advanced from the ancient times, consisting primarily of dry, nonocclusive gauze and nonwovens of cotton or wool. Their primary function was to fill open wound spaces or to cover and conceal closed wounds. In 1962, however, Winter142 published his landmark study of young domestic pigs that revealed that partial-thickness wounds under
WOUND CARE GUIDELINES
Once the appropriate dressing is applied in the office and the patient returns home, care of the acute postoperative wound relies on the patient's involvement and understanding of wound care instructions. Detailed information should be provided not only orally, but in written form as well for reinforcement. Telfer and Moy131 have recently reviewed the general subject of wound care after office surgery. Their review provides advice for specific wound types and anatomic locations.
For sutured
SUMMARY
Wound care after cutaneous surgery can play an integral role in wound healing. Wound care regimens have changed dramatically over the last 35 years as the physiology of wound healing has become better understood. Foremost is the improvement in wound healing achieved by keeping the wound occluded and moist. This observation has led to an explosion of a whole new category of occlusive dressings at the surgeon's disposal in healing postoperative wounds. These dressings have numerous applications
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Cited by (0)
Address reprint requests to Chang Y. Cho, MD, 9985 Sierra Avenue, Fontana, CA 92335
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From the Department of Dermatology, Mohs Micrographic and Cutaneous Reconstructive Surgery Center, Southern California Permanente Medical Group, Fontana, California