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  • Title: The influence of a brief preoperative illness on postoperative healing.
    Author: Goodson WH, Lopez-Sarmiento A, Jensen JA, West J, Granja-Mena L, Chavez-Estrella J.
    Journal: Ann Surg; 1987 Mar; 205(3):250-5. PubMed ID: 3827360.
    Abstract:
    In a study of wound healing at high altitude, subcutaneously implanted PTFE tubes were used to stimulate and measure accumulation of wound hydroxyproline (an index of collagen) in 26 patients who had appendectomy and in 38 patients who had cholecystectomy. Patient age, length of surgery, and postoperative recovery seemed to predict better healing in patients who had appendectomy, but there was a difference in the preoperative illness of the two groups: acute cholecystitis was treated medically and cholecystectomy performed after resolution of the acute phase of illness, whereas patients who had appendectomy were taken to surgery as soon as a diagnosis was made. It was observed that patients who had appendectomy accumulated 20% less hydroxyproline than patients who had cholecystectomy (p less than 0.02), and that the depression of hydroxyproline accumulation was significantly related to length of preoperative illness (p = 0.008). This decrease in wound hydroxyproline accumulation is attributed to the acute preoperative illness. Conceptually, this is a unique situation since the brief illness did not produce lasting debility, and the source of illness, the inflamed appendix, was not present during healing. This indicates that even a brief preoperative illness has a more prolonged influence on postoperative healing than usually anticipated.
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