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  • Title: The effect of immediate intraperitoneal carboplatinum on wound healing.
    Author: Hopkins MP, Shellhaas C, Clark T, Stakleff KS, Jenison EL.
    Journal: Gynecol Oncol; 1993 Nov; 51(2):210-3. PubMed ID: 8276296.
    Abstract:
    The effect of introducing intraperitoneal carboplatinum on wound healing immediately after wound closure was studied using a rat model. All animals were opened through a midline incision. A bowel anastomosis was then performed in a single-or two-layer fashion using 6-O suture. Immediately after closing the abdominal wall, each animal was percutaneously injected with either normal saline for controls (n = 11), or carboplatinum, 3 (n = 8), 9, (n = 19, or 12 mg/kg (n = 4). Abdominal and skin incisions were closed separately using 4-O silk suture. Animals were sacrificed 7 days postoperatively. Adhesions were blindly assessed on the following scale: 0 (no adhesions), 1 (filmy adhesions), 2 (firm adhesions), and 3 (dense adhesions). Anastomoses were assessed for leakage. Three centimeters of the incision were harvested to evaluate wound breaking strength. Analysis of abdominal wound breaking strengths showed control = 1320 g +/- 220, 3 mg = 1055 g +/- 155, 9 mg = 891 g +/- 127, and 12 mg = 594 g +/- 165 (P < 0.025). Evaluation for dense adhesions resulted in control = 27%, 3 mg/kg = 50%, 9 mg = 63%, and 12 mg = 100% (P < 0.0001). Immediate instillation of intraperitoneal carboplatinum had a significant effect on wound healing with a decrease in abdominal tensile strength directly related to the dose instilled. It also had a significant effect on adhesion formation with a higher dose leading to a higher incidence of adhesion formation. Based on animal model data, it appears that the immediate instillation of intraperitoneal carboplatinum at the time of laparotomy incision closure could lead to significant problems with wound strength and adhesion formation.
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