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Effect of Laparoscopy on the Immune System

J. Jeekel, MD, PhD

H. J. Bonjer, MD, PhD

Department of Surgery, University Hospital Erasmus Medical Centre, Erasmus University, Rotterdam, The Netherlands

Surgery induces alterations in local and systemic immune responses. These changes appear to be associated with an increase in postoperative morbidity. Minimally invasive techniques are considered to improve the preservation of immune function compared with open surgery and may therefore be beneficial for patient recovery. As laparoscopic techniques are increasingly used in abdominal surgery, more research has focussed on the immunologic consequences of these techniques. Nevertheless, the changes that occur in response to trauma are still not completely understood. The immunologic benefits of laparoscopic surgery are the most obvious for minor surgical procedures such as cholecystectomy and antireflux surgery. For more complex procedures such as colorectal surgery for cancer, the benefits are not immediately obvious. Although laparoscopic surgery for colorectal malignancies may be associated with higher survival rates and lower recurrence rates because of improved immune function, it has also been related to high incidences of port-site metastases. Reviews in the literature have now shown that incidences of port-site metastases are comparable to incidences of wound metastases after open surgery. However, it will be necessary to wait for the long-term results of randomized, clinical trials to provide further clarification of how immune function is altered after laparoscopic and open surgery for colorectal cancer.

Surgical Innovation, Vol. 11, No. 1, 37-44 (2004)
DOI: 10.1177/107155170401100107


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