El Cáncer Gástrico, se considera la segunda causa de muerte por neoplasia en el mundo después del Cáncer de Pulmón, y en Chile ocupa el primer lugar. En el presente trabajo se analizan algunas características histológicas y epidemiológicas del cáncer en forma evolutiva entre los años 1975-2005. Los resultados muestran que, en general, el Cáncer Gástrico es de mayor prevalencia en hombres, que aumentó en la incidencia del tipo histológico difuso y que en cuanto a la localización, ésta se está presentando mas frecuentemente a nivel del tercio proximal. A través de este estudio se logran evidenciar los cambios evolutivos ocurridos en el Cáncer Gástrico en Chile, tomando como muestra la casuística observada en el Hospital Clínico de la Universidad de Chile a lo largo de los últimos 30 años.
Radial forearm fl aps. Experience in ten patientsBackground: Radial forearm fl ap is extraordinarily versatile thanks to its irrigation by the radial artery and its minor pedicles. It provides assorted alternatives for the reconstruction of proximal or distal defects of the arm and can be used as a free fl ap in head, neck, posterior trunk region, lower limb, esophagus and penis. It allows the incorporation of bone, tendons, nerves and muscle for complex lesion repair. Aim: To report our experience with radial forearm fl ap. Patients and Methods: Ten patients aged 20 to 65 years (four women) are reported. The lesions repaired were traumatic in four, infectious in three, secondary to tumors in two (a squamous intra oral adenocarcinoma in both patients) and vascular in one patient. Results: No patient had a partial or total loss of the fl ap. Five patients required complementary dermo epidermic grafts in a second intervention. Mean hospital stay was 30 days. All patients reported a favorable degree of satisfaction with the procedure. Conclusions: Radial forearm fl aps are a good alternative for the repair of a great variety of lesions.
Coupler ® venous mechanic microanastomosis. An important technological contribution to microvascular surgery Aim: The aim of the present paper is to show the experience of the Plastic Surgery Division at the University of Chile Clinical Hospital, with the Coupler ® anastomotic device (Synovis Corp, Birmingham, AL) for venous microanastomoses in patients undergoing reconstructive microsurgery. Material and Methods: A retrospective review of 48 consecutive patients with free flaps between March 2009 and in February 2013. All microsurgical venous anastomoses were performed with the Coupler ® device and the arterial anastomoses with interrupted or continuous 9-0 or 10-0 nylon sutures. The collected data were: personal and medical patient information, location of the defect, flap used, vessels diameter, arterial anastomoses, Coupler ® used, time of anastomosis, postoperative complications, arterial and venous thrombosis. Results: A total of 48 free flaps were performed for reconstruction of lower extremity (n = 25, 52.1%); head-neck (n = 15, 31%); breast (n = 5, 10.4%
CT Angiography in preoperative identification of perforator vessels Introduction: Perforator flaps have become a coverage option validated and increasingly used in reconstructive surgery. These flaps require preoperative identification and intraoperative dissection of the perforator vessels. The aim of this study was to evaluate the use of Angio CT in the preoperative assessment of perforating vessels and its correlation with intraoperative findings. Material and Methods: We retrospectively reviewed all perforator flaps performed at the Division of Plastic Surgery, University of Chile Clinical Hospital between June 2009 and June 2012. All patients were asked for an Angio CT according to the protocol of the University of Gent (Belgium). Data points were used and a specific coordinate system to locate the point at which the perforator vessel fenestrate the deep fascia. The information provided in the Angio CT was compared with surgical findings. Results: A total of 41 patients underwent perforator flap planning during the study period. 40 underwent surgery: 18 women and 22 men, with a mean age of 46.6 ± 5.7 years. Flaps were performed as follows: anterolateral thigh (ALT) = 14, inferior epigastric (DIEP) = 18, superior gluteal (SGAP) = 5, posterior tibial (PTAP) = 4 and thoracodorsal (TDAP) = 2. In all cases the Angio CT identified one or more perforator vessel with a 100% concordance with intraoperative findings. Conclusions: CT Angio is a test with high performance in preoperative characterization of perforator vessels. It is a helpful tool that must be considered whenever planning this type of flaps.
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