Symposium on surgical stapling techniques.
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Urinary undiversion and bladder reconstruction has led to some of the most ingenious uses of bowel by urologists and will improve the quality of life for patients. The use of the stapler has helped create intussuscepted nipple valves that are more likely to be effective and less likely to extussuscept. Calculi can form on surgical staples exposed to urine and measures to prevent this have been described. We report a case in which there was rapid development in multiple calculi, each having a single staple as a nidus, following urinary undiversion using an antireflux intussuscepted stapled nipple valve in which the distal-most staples were removed from the staple cartridge to its use.
To obtain a sufficient operative field at the operation for cardiac cancer, especially with esophageal infiltration, thoracotomy or sternotomy has been added to laparotomy. These procedures are not easy and cause great stress in patients. Through our new technique, left sided thoracotomy and sternotomy can be eliminated in favor of transabdominal phrenotomy, which is able to be performed much easier to obtain a good operative field. In order to perform the phrenotomy, the diaphragm has to be stretched using our modified hook suspender, by which the costal arch is lifted strongly upward and cranially. With these procedures, about a 5cm long esophagus is able to be resected with lymph node dissection in the lower mediastinum without difficulty. No marked influence of the hook suspender as well as the phrenotomy has been recognized on respiratory and circulatory systems. The anastomosis between the esophagus and jejunum or residual stomach seems to be very difficult, because the site of the anastomosis is located quite deep in the mediastinum. This problem, however, can be completely resolved by means of a surgical stapling autosuture instrument.
We developed a new technique for performing radical hysterectomy using surgical staplers. An endoscopic stapler was used to transect the uterosacral and cardinal ligaments and a roticulating stapler with absorbable staples was used to transect the vaginal cuff. Fifteen consecutive patients with primary stage IA2 or IB cervical carcinoma underwent class III radical hysterectomy using the new stapling technique and were compared to the previous 15 consecutive similarly staged patients who underwent class III radical hysterectomy by the traditional clamp, cut, and suture ligation technique. Median operative time for the stapler group was 3 hr (1.3-4 hr) versus 4.3 hr (2.5-5.8 hr) for the traditional technique (P = 0.0002). Estimated blood loss for the stapler technique was 650 ml (200-1200 ml) versus 1100 ml (450-2600 ml) for the traditional technique (P = 0.009). Three patients (20%) received transfusions in the stapler group versus 10 (67%) in the traditional group (P = 0.05). There was no difference in the rate of infections, venous thrombosis, lymphocysts, fistuli, bladder atony, or obstipation between the two groups. At a median follow up of 22 months, only one patient has recurred (from the traditional group). In conclusion, the surgical stapling technique of radical hysterectomy does not appear to adversely affect survival or increase complications while operative blood loss and operative time are significantly reduced.
Intestinal resection and anastomosis, bypass enterostomy, and typhlectomy are indicated for many intestinal disorders. The thoracoabdominal and end-to-end anastomosis stapling instruments all may be used to perform a variety of small intestinal surgical procedures.
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From 1984 to 1994, 152 patients were operated for gastric cancer in Clinical Department of Surgical Oncology, Medical University of Lodz. Patients age ranged from 31 to 82 years (mean age-61.2). The purpose of this study was to evaluate the methods of reconstruction of gastrointestinal tract (GIT) continuity. Our material comprised patients who underwent total gastrectomy for gastric cancer. In 52 patients radical procedure--total gastrectomy--was performed, with reconstruction of gastrointestinal tract continuity. The latter part of surgery was accomplished using different methods: Roux-Y anastomosis-10 patients (19.2%); esophago-jejunal "end to side" anastomosis-8 patients (15.4%); Hunt-Lawrence-Rodino anastomosis-34(65%). During procedures staplers and VALTRAC rings were used, as well as ultrasound selector and argon coagulator for hepatic and pancreatic resections. Quality of life after gastrectomy was determined on the basis of interviews taken from patients, in whom GIT continuity was reconstructed with or without intestinal pouch creation. We also evaluated incidence and type of complications after such procedures. Perioperative mortality in our material was 7.7%. We concluded that the best results was achieved when continuity of gastrointestinal tract after total gastrectomy was reconstructed with intestinal (first loop of jejunum) pouch creation (Hunt-Lawrence procedure). This method warranted high quality of life and low incidence of complications. Staplers enables us to shorten time of procedure and to decrease the number of anastomosis leaks, so that our results of surgical treatment of patients with gastric cancer were better.
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Stapling instrumentation designed primarily for specific gastrointestinal procedures and transection of vascular pedicles have been adapted for use in parenchymal organs of the abdomen and urogenital tract. This article reviews current veterinary clinical and experimental use of stapling instrumentation for splenic, pancreatic, hepatic, and urogenital surgery.
Stapling devices useful for cardiovascular applications include vascular clips, the ligation and division stapler, the thoracoabdominal stapling device with vascular load, and the pin-ring device of small vessel anastomosis. This article addresses the application, indication, advantages, and disadvantages of each of these devices.
Recent developments in laparoscopic hernia repair techniques have led to the design of titanium staples. In a laparoscopic hernia repair, a polypropylene mesh is stapled over the direct and indirect hernia sites in the inguinal region. The effectiveness of these staples in holding the prosthetic mesh, and therefore providing adequate strength to the abdominal wall, has not been yet investigated. We have characterized the bursting strength (BS) of an experimental hernia mesh repair fixed with Prolene suture, which is used extensively for this procedure, and the BS of repairs fixed with two currently available staplers, the Endopath EMS endoscopic multifeed stapler and the Endo Hernia stapler. We first simulated abdominal wall hernias in 16 piglets by creating incisions on both sides of the abdomen of each animal. Each defect was then covered with a polypropylene mesh, which was fixed on one side with Prolene sutures and on the other side using either the Endopath EMS (Group 1) or the Endo Hernia stapler (Group 2). The abdominal tissue with the mesh covering the defect was then excised and the BS evaluated using an Instron machine. Since many mechanical characteristics contribute to the BS of a repair, we investigated these characteristics in vitro, including tensile properties of the staples and the prosthetic mesh as well as the suture-tearing resistance of the mesh. Polypropylene mesh exhibits the same elongation in the three directions, i.e. 0 degrees , 45 degrees and 90 degrees . This elongation was estimated at 136% (SD = 130).(ABSTRACT TRUNCATED AT 250 WORDS)
A laparoscopic colposuspension technique for the correction of urinary stress incontinence has been described in the recent literature. Herein we describe a laparoscopic adaptation of the Burch procedure, used in the treatment of urinary stress incontinence since 1958. The use of titanium hernia staples and Prolene mesh in place of traditional suture material eliminates the need for laparoscopic suturing in the confined pelvic space, a practice that often poses difficulty for inexperienced surgeons. Of 40 female patients treated, with a mean 6-month follow-up, there has been no relapse of stress incontinence. Complications in this modest population have been minor and self-limiting. As with any laparoscopic procedure, the results obtained here may be influenced by the extensive experience of the laparoscopist.
A stoma prolapse is one of the late complications and often occurs when the stoma is made in an emergency situation. This complication is not lethal, but causes irritable stoma, skin trouble, and difficulty in stoma care. We herein report the case of a 48-year-old female with an end colostomy that was created as an emergency operation 4 months before. On admission, her colostomy protruded approximately 20 cm from the skin with marked redness, swelling, and erosion; it was impossible to treat manually. We repaired the prolapse successfully in a simple procedure with a Proximate Linear Cutter 100. Briefly, under mild sedation, the instrument was diagonally inserted into the prolapsed stoma and applied twice on both sides. Then, the base of each divided tissue was stapled and cut with the same device. Finally, the prolapse was completely repaired without major bleeding and severe pain. We have applied this novel technique successfully in 5 further cases, and there have been no complications or recurrences. This technique can be performed without spinal or general anesthesia and seems to be a very useful procedure for patients with prolapse of a stoma.
The auto stapler, an instrument proven to be effective in other surgical procedures, was utilized to close the canine urinary bladder. The procedure was found to be simple. Anticipated postoperative complications, particularly leak, infection, or stone formation were not experienced.
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