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  • Title: Minimum incision endoscopic surgery (MIES) in Japanese urology: results of adrenalectomy, radical nephrectomy and radical prostatectomy.
    Author: Kihara K, Kobayashi T, Kawakami S, Fujii Y, Kageyama Y, Masuda H.
    Journal: Aktuelle Urol; 2010 Jan; 41 Suppl 1():S15-9. PubMed ID: 20094945.
    Abstract:
    AIM: The aim of this study was to evaluate the feasibility of our minimum incision endoscopic surgeries (MIES), adrenalectomy, radical nephrectomy and radical prostatectomy, which are operated via a single minimum incision which narrowly permits extraction of the specimen, using an endoscope, without gas insufflation, without any trocar ports and without injury to the peritoneum. These operations have been developed in our department in the late 1990 s and have since been performed in more than 1000 patients and certified as advanced surgery by the Japanese government in 2006. METHODS: Adrenalectomy, radical nephrectomy and radical prostatectomy were carried out via a single minimum incision under the conditions of gasless, portless (without trocar ports), intact peritoneum and at low cost with reusable devices. The anatomic plane was separated through the incision and a wide working space was made extraperitoneally. New devices were made especially for this operation in our department, which are now commercially available. The results of the most recent consecutive cases (2005-2007) are evaluated. The results of adrenalectomy and radical nephrectomy performed by 12 operators including inexperienced doctors were compared with the initial results performed by 2 operators, mostly by one operator. RESULTS: In the recent 60 cases of adrenalectomy, the average length of incision, operative time, estimated blood loss were 5.7 cm (5.6 cm in the initial 30 cases), 156 min (147 min) and 174 ml (139 ml), respectively. A complication was observed in one case, injury to the renal artery. Blood transfusion was not performed. Average days to oral feeding, to long walking (more than 100 m) and to possible minimal hospital stay were 1.3 days (2 days), 1.1 days (1.1 days) and 1.9 days (4.6 days), respectively. In the recent 80 cases of radical nephrectomy, the average length of incision, operative time, estimated blood loss were 6.6 cm (6.6 cm in the initial 80 cases), 192 min (186 min) and 315 ml (324 ml), respectively. Complications were not observed in any of the cases (2) and blood transfusion was performed in 1 case (3). Average days to oral feeding, to long walking (more than 100 m) and to possible minimal hospital stay were 1.1 days (1.4 days), 1.2 days (1.4 days) and 1.9 days (4.8 days), respectively. In the recent 50 cases of radical prostatectomy, the average length of incision and operative time were 5.9 cm and 261 min, respectively. Two complications (small rectal injuries) were observed and one blood transfusion was performed. Average days to oral feeding, to long walking (more than 100 m) and possible minimal hospital stay were 1.0 days, 1.0 days and 2.4 days, respectively. Wound pain was minimal and analgesics were generally not required on the second postoperative day in the above 3 operations. Although prophylactic antibiotics were not used in the recent cases of adrenalectomy and radical nephrectomy, surgical site infection was not observed. CONCLUSION: Minimum incision endoscopic surgery (MIES) in Japanese urology is a safe, reproducible, cost-effective and minimally invasive treatment option for adrenal tumor, renal cell carcinoma and prostate carcinoma.
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