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    • 11 FEB 16
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    The diet in the surgical patient: alkaline or acidifying?

    The diet in the surgical patient: alkaline or acidifying?



    The paper of the diet in the operated patient finds in debate today. The alkaline diet was born how a depurative diet to reduce the acidity of the food, facilitate the digestion and the pH of the body like element to improve the body homeostasis (the internal balance of the body). But his paper is very argued.

    It has been studied its influence in improving the process of recovery in subjects submitted to surgeries of different type, mainly surgeries on the average and overhead complexity. This principle of the “Natural Surgery” has been very questioned because it does not improve the wound healing, is not clear that can enhance the immunity and has not been able to show that it reduce the surgical infections.
    The alkaline diet is based in the reduction of refined sugar, white flours, alcoholic drinks, coffee, sweet drinks and foods of animal origin (meat, milk and eggs), as well as the increase of vegetables, nuts and fruits. The proposal to keep diets with a 75-80% of alkaline diet around the surgery lacks of scientific evidence. The iron is an alkaline mineral especially important in these patients for the anaemia that can cause these surgeries. The diet around the days of the surgery has to have very present the foods rich in iron. The vitamin C (important for the absorption of the iron) is acid, but the vitamin K (necessary in the process of coagulation) is alkaline. Also it has been able to check that the excess of acid diet in the surgical patient can provoque depression, fatigue and muscular tension, that hamper the recovery.La-cicatrizacion-depende-del-pH-de-la-herida

    New studies published to the magazine “Wound” (Basavraj, 2015) exposes the need to create an acidifying environment for the healing of wounds, especially those infected. The article exposes that it has observed that “those wounds with a high alkaline pH have a lesser capacity of healing as much in acute wounds (surgical) than in chronic wounds (sores), in comparison with wounds with a more next pH to the neutrality.” The study explains that the healing of wounds is more difficult when more alkaline is the wound. When the healing initiates the state of the wound happens of alkaline to neutral and to acid. Also it exposes that the acidification of the wound with topical substances help to increase the antimicrobic activity, alters the activity of the proteases, frees oxygen, reduces the infections, increases the angiogenesis and improves the healing. Other scientific findings are that an acidifying environment helps to destroy the abnormal collagen that delays the healing. The acids used for the treatment of wounds include the citric acid, the acetic acid, the ascorbic acid, the boric acid and the algenic acid. The application of the honey in chronic wounds has believed beneficial for the overhead content in glucose, but in reality is because it recesses the pH of the wound until 3.5 with a significant reduction of the size. The majority of infections need a pH above 6. The growth of bacteria is inhibited by low pH (acidified).

    In conclusion, in these moments there is a strong evidence that the surgical wounds heals better in acidified environments, but there is no evidence that an alkaline or acid diet can help to this process of healing.


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