The speed and quality of wound healing aspects depend on the characteristics of the lesion and its location
Cut with a knife or fall in the park are easily accidents can cause wound which it is cured in a few days. However, in some people, the healing process lengthens and injuries do not close until after a few weeks. Why? What aspects influence a good or bad scarring? This article addresses these and other issues related to wound healing. Also described what they are first aid to a wound. The process of wound healingAt the same moment an injury occurs, the body initiates an imbricated process with the aim of restoring the tissues. The scientific literature this process divided into three phases. In the inflammatory phase, a certain cells (macrophages) and remove dirt and bacteria migration and proliferation of other acting in the next stage originates. In the proliferative phase, which will begin two to five days after the injury occurred, new blood vessels , which bring oxygen and nutrients necessary to the area- are created, increased collagen fibers , which form the structural and constitutes the need to replace tissue that has been damaged. An acute injury should be returned before 10 days. The last phase, called for maturation and remodeling, is the longest and may last even more than a year. In this period, the collagen fiber used to repair the wound is replaced by other more resistant and blood vessels that were created for recovery are also destroyed. Here, the color of the wound begins to lose flushed tone. Factors influencing healing
The speed and quality of healing of a wound rely on particular aspects, such as genetic factors and characteristics of the lesion (tissue loss, characteristics of the edges of the lesion, presence of devitalized tissue and / or edema, degree amount of dirt or germs). Thus, a deep wound with loss of tissue and the edges has not been possible to approximate have a slower than a clean wound edges that may have been sutured without further evolution. But it also depends on their location, as scarring is more complicated if you are on joints in wet areas or those suffering from a continuous friction, as the soles of the feet. However, there are other factors that can determine the evolution of this process, as detailed Dr. J. Javier Soldevilla in the 'Practical Guide in the care of skin ulcers':
First aid to a woundedAlthough never be manipulated with fingers blood nor a wound bed, it is important, before cure any injury, perform hand washing thoroughly with soap and water, without forgetting a thorough drying. The next step is clean the wound. Any wound is contaminated by microorganisms that exist in the skin, but proper cleaning will help, along with the immune system of each, they do not proliferate and an infection develops. The purpose of cleaning is to remove detritus, as traces of soil or dead cells, which can hinder healing and encourage infection. To clean the wound -preferible simply apply a saline solution at a temperature of 32-35 ºC- or, failing this, potable water. If the wound is very dirty, you can soap and water for cleaning used, but be very careful to rinse and leave no rest. You can also use a antiseptic solution that is effective for a large number of germs, such as chlorhexidine, and according to the therapeutic indications attached in the prospectus. Other antiseptic solutions used (povidone-iodine, alcohol or hydrogen peroxide) may cause adverse effects on the skin such as irritation or allergic reactions important, among others, as well as slowing the healing process. If convenient, you can cover the lesion with a non adherent dressing (hydrocolloid or polyurethane foam). Cotton is not recommended, as it is easy to adhere to the tissues and cause pain and bleeding when wanting to remove it; and if it is not removed completely, their remains can cause an infection. If the wound is deep, it has embedded objects or is very dirty and you can not clean in the usual way, it presents a bleeding difficult to control or is caused by the bite of an animal or materials that could be contaminated by fungi or bacteria, must go to a health center for the values a healthcare professional. |
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