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The interrupted serosubmucosal anastomosis - still the gold standard.

BACKGROUND: The single-layer appositional serosubmucosal anastomosis is a well established technique and appears to have a favourable record. Over a 15-year period the senior author of this paper has performed or directly supervised 553 anastomoses using this technique. This report describes the results of these operations, the results of stapled anastomoses carried out during the same period and discusses the utility of the handsewn technique. METHODS: From August 1986 to July 2001, 553 intestinal anastomoses in 550 patients were fashioned using single-layer, interrupted serosubmucosal 3/0 braided polyamide and 131 anastomoses in 131 patients were performed using a circular anastomosing stapler. RESULTS: One anastomotic leakage occurred in the group of patients whose anastomosis was handsewn (0.2%) and 11 leaks occurred in those who had a stapled anastomoses (8.4%). The mortality rate in each group was similar (2% and 2.3%, respectively). There were no deaths attributable to anastomotic dehiscence in either group. CONCLUSION: In this prospectively audited series of 553 handsewn anastomoses the leakage rate was 0.2%. These results compare favourably with other published series and continue to support a single layer of interrupted serosubmucosal sutures as the gold standard for anastomoses involving the large or small bowel.

Anastomosis, Surgical↗

[Evaluation of the anterior cruciate ligament injury treatment results using patellar tendon grafts].

The analysed material consisted of 38 cases of chronic knee insufficiency because of anterior cruciate ligament injury. Patients were divided into 2 groups. The first group (18 patients) was treated with 1/3 patellar tendon graft (B-T-B) stabilised by sutures on either screws or staples with a 4-5 week immobilisation period post-op. The second group (20 patients) had graft fixation with interferential screws and no post-op immobilisation. Statistically significant better results were achieved in the group treated with interferential screws. The results were evaluated using HSS and Lysholm and Gillquist rating scores.

Adolescent↗

Postdefaecation pain syndrome after circular stapled anopexy is abolished by oral nifedipine.

BACKGROUND: Controversy has surrounded the technique of circular stapled anopexy since an isolated report of a high incidence of persistent postdefaecation pain following the procedure. The characteristics, clinical course and management of this complication have not been described. METHODS: Within an ongoing multicentre randomized clinical trial comparing circular stapled anopexy with closed haemorrhoidectomy, 77 patients underwent circular stapled anopexy. Follow-up was at 6, 12, 24 and 48 weeks. Patients underwent transanal ultrasonography, anal electrosensitivity testing and manometry. RESULTS: Of the 77 patients who had circular stapled anopexy, three men reported new-onset postdefaecation pain that compromised lifestyle, including ability to return to work. All three had sphincter hypertonicity on digital and manometric examination but were refractory to topical 0.2 per cent glyceryl trinitrate ointment. The addition of oral nifedipine 20 mg twice daily did not alter anal sphincter pressures but rapidly abolished symptoms and restored quality of life. CONCLUSION: Postdefaecation pain is a specific complication of circular stapled anopexy, affecting a small percentage of patients. Men with a high anal sphincter pressure appear to be at risk. Although the exact aetiology remains unclear, it is likely that rectal rather than anal sphincter muscle is affected. Oral nifedipine represents an effective therapy.

Adult↗

Left Atrial Appendage Occlusion Study (LAAOS): results of a randomized controlled pilot study of left atrial appendage occlusion during coronary bypass surgery in patients at risk for stroke.

AIM: This pilot study assessed the safety and efficacy of left atrial appendage (LAA) occlusion, performed at the time of coronary artery bypass grafting (CABG). METHODS AND RESULTS: At the time of CABG, 77 patients with risk factors for stroke were randomized to LAA occlusion or control. The LAA was occluded using sutures or a stapling device. Completeness of occlusion was assessed with transesophageal echocardiography. There were no significant differences in cardiopulmonary bypass duration, perioperative heart failure, atrial fibrillation, or bleeding between the 2 groups. During surgery, there were 9 appendage tears, all of which were repaired easily with sutures. Among patients having a postoperative transesophageal echocardiography, complete occlusion of the LAA was achieved in 45% (5/11) of cases using sutures and in 72% (24/33) using a stapler, P = .14. The rate of LAA occlusion by individual surgeons increased from 43% (9/21) to 87% (20/23) after performing 4 cases (P = .0001). After a mean follow-up of 13 +/- 7 months, 2.6% of patients had thromboembolic events. CONCLUSIONS: LAA occlusion at the time of CABG is safe. The rate of complete occlusion improves, to acceptable levels, with increased experience and the use of a stapling device. A large trial is needed to determine if LAA occlusion prevents stroke.

Aged↗

A simple biangulation stapling technique for large anastomoses in gastric surgery.

We describe here a new technique for performing the large anastomosis between the jejunal pouch and the remnant stomach in patients undergoing proximal gastrectomy with jejunal pouch interposition. The biangulation method described in this report is a simpler technique than the existing triangulation anastomosis technique, requiring only two applications of a linear stapler. One row of staples forms the posterior wall of the anastomosis and the other forms the anterior wall. When used for jejunal pouch reconstruction after proximal gastrectomy in 12 cases of early gastric cancer, no evidence of anastomotic leakage or stenosis was apparent from barium meal studies or endoscopic examination. We find this biangulation technique to be a simple and safe procedure that is ideal for anastomoses of large diameter.

Anastomosis, Surgical↗

Myotomy length determinants in endoscopic staple-assisted esophagodiverticulostomy for small Zenker's diverticula.

A small Zenker's pouch is a major challenge for endoscopic staple-assisted esophagodiverticulostomy (ESED). This study tested the stapler dimensions so as to identify limitations they impose on ESED. Combining ESED with additional endoscopic suturing could extend the incision and consequently the myotomy. Zenker's diverticulum residual pouch measurements were performed with a previously reported latex glove model and in patients undergoing surgery. Two stapler designs were compared by measuring the residual pouch length for both the stock and modified staplers. One other stapler model cannot be modified without damaging the mechanism. The Endostitch was used to place an additional suture at the apex of the staple line, allowing cutting between the staples while leaving a closed distal incision. All three staplers suitable for ESED leave a residual pouch of 1.5 cm when unmodified. The modified anvil staplers gave a smaller residual pouch by 4 to 5 mm. An additional septal reduction can be accomplished by suturing the area distal to the staple line and incising the party wall beyond the stapler cut. The absolute amount of residual pouch with an additional myotomy is 3 mm. The combined staple-suture technique has proven relatively safe thus far. To provide a maximally efficient myotomy in a patient with a short pouch, the surgeon needs to be aware of the stapler differences. Modifications of the staplers may decrease the depth of the residual pouch, but may carry an added liability. A minimum residual pouch can be achieved with a combination of stapler and suture techniques, but is more technically demanding than the original ESED description.

Digestive System Surgical Procedures↗

Transhiatal esophagectomy for treatment of benign and malignant esophageal disease.

Since our initial 1978 report, we have performed transhiatal esophagectomy (THE) in 1085 patients with intrathoracic esophageal disease: 285 (26%) benign lesions and 800 (74%) malignant lesions (4.5% upper, 22% middle, and 73.5% lower third/cardia). THE was possible in 97% of patients in whom it was attempted; reconstruction was performed at the same operation in all but six patients. The esophageal substitute was positioned in the original esophageal bed in 98%, stomach being used in 782 patients (96%) and colon in those with a prior gastric resection. Hospital mortality was 4%, with three deaths due to uncontrollable intraoperative hemorrhage. Major complications included anastomotic leak (13%), atelectasis/pneumonia prolonging hospitalization (2%), recurrent laryngeal nerve paralysis, chylothorax, and tracheal laceration (< 1% each). There were five reoperations for mediastinal bleeding within 24 hours of THE. Intraoperative blood loss averaged 689 ml. Altogether, 78% of the patients had no postoperative complications. Actuarial survival of the cancer patients mirrors that reported after transthoracic esophagectomy. Late functional results are good or excellent in 80%. Approximately 50% have required one or more anastomotic dilatations. With intensive preadmission pulmonary and physical conditioning, use of a side-to-side staple technique (which has reduced the cervical esophagogastric anastomotic leak rate to less than 3%), and postoperative epidural anesthesia, the need for an intensive care unit stay has been eliminated and the length of hospital stay was reduced to 7 days. We concluded that THE can be achieved in most patients requiring esophageal resection for benign and malignant disease and with greater safety and less morbidity than the traditional transthoracic approaches.

Anastomosis, Surgical↗

Stapled and nonstapled laparoscopic transabdominal preperitoneal (TAPP) inguinal hernia repair. A prospective randomized trial.

BACKGROUND: Controversy exists regarding whether it is necessary to secure the mesh prosthesis during laparoscopic transabdominal preperitoneal (TAPP) inguinal hernia repair. It is unknown whether stapling the mesh affects recurrence rate, incidence of neuralgia, or port-site hernia. METHODS: We conducted a prospective randomized trial comparing stapled with nonstapled laparoscopic TAPP inguinal hernia repairs in a series of 502 consecutive patients undergoing elective inguinal hernia repair at two institutions between January 1995 and March 1997. RESULTS: In all, 263 nonstapled and 273 stapled repairs were performed in 502 patients. Patients were evaluated at a median follow-up of 16 months (range, 1-32 months) by independent surgeons. There was no statistical difference in the incidence of recurrence (0 to 263 nonstapled, 3 to 273 stapled; chi-square p = 0.09). The overall recurrence rate was 0.6%. There was no significant difference in operative time, port-site hernia, chronic pain or neuralgia between the two groups. CONCLUSION: It is not necessary to secure the mesh during laparoscopic TAPP inguinal hernia repair, allowing a reduction in the size of the ports.

Adolescent↗

Comparison of the effect of conventional highly selective vagotomy and anterior gastric wall stapling with posterior truncal vagotomy on the gastric emptying rate for solid meals in beagle dogs.

Anterior gastric wall stapling combined with posterior truncal vagotomy has been used as a new and adequate gastric acid output-reducing procedure. Severing the posterior vagal trunk as well as stapling the anterior gastric wall could impair gastric emptying. In this study, the gastric emptying rate for solid food, using a radionuclide technique, has been evaluated in 2 series of canine experiments. Compared to the results after conventional highly selective vagotomy, a temporary delay in the gastric emptying rate could be found after this new procedure, however, completely normalizing 1 year later.

Animals↗

[Long-term result of low anterior resection with stapling devices for rectal cancer].

BACKGROUND & OBJECTIVE: Currently, to preserve the anal function and improve the patients' quality of life, low anterior resection has become the preferred option in curative rectal cancer surgery. As the use of stapling instruments provides more reliable anastomoses in low anterior resection for rectal cancer, it enlarges the indication of this procedure. The aim of this study was to review the operation results and their outcomes of 449 rectal cancer patients who recieved of curative low anterior resections with stapling devices, and intent to find some measures that can reduce complications and improve long-term effects of this procedure. METHODS: The study included 449 patients who had a potentially curative anterior resection with stapled anastomosis in rectal cancer between Jan.1990 and Sept. 2002 at Sun Yat-sen University Cancer Center. All patients had complete follow-up data. All data were analyzed by SPSS8.0 software, risk factors for anastomotic leakage and recurrence were analyzed by Logistic regression, survival was analyzed by life table, and prognostic factors were screened by multivariate COX model. RESULTS: There were 11 cases of anastomotic leakage and 23 cases of anastomotic recurrence after operation. The 5-year survival rate was 78.4%. Age of >/= 65 years, and tumor involvement of more than half circumference were risk factors for anastomotic leakage, blood transfusion during operation was the risk factor for anastomotic recurrence. The independent factors for poor survival were stage of disease and tumor differentiation. CONCLUSIONS: Stapling devices can improve the anal reservation rate in low rectal cancer surgery, and stapled anastomoses is safe and feasible. Adequate preparation of bowel ends, a tension-free anastomosis with excellent blood supply and skilled stapled anastomoses were key measures to reduce anastomotic leakage, While TME, multidisciplinary therapy and the principle of avoiding medical spread, were key measures to improve treatment effect of rectal cancer.

Adenocarcinoma↗

Laparoscopic preperitoneal colposuspension for stress incontinence in women. Technique and results of 37 procedures.

We present an original laparoscopic technique for treatment of stress urinary incontinence in women equivalent to the classical open approach described by Burch. This technique is particularly interesting because a wide pneumoretzius allows adequate access without being hindered by intestinal loops or the free border of the bladder. Suspension is achieved with nonabsorbable mesh bands stapled to the vagina and Cooper's ligaments. Seventy nine operations were performed at the Department of Gynecology of the University Hospital of Caen, France, between 1992 and 1995. The cure rate of the first 37 procedures (with a 18-42-month-long follow-up) is 86%. Of the patients, 22% had low closure pressure and 19% had an unstable bladder. No laparotomy had to be performed.

Adult↗

Management of large encircling mid-rectal adenomas in frail patients.

Frail patients with extensive circumferential mid-rectal adenomas should be offered adequate surgery given the risk of local recurrence due to unrecognized malignancy. Accordingly, five poor-risk patients aged 77 years on average underwent segmental resection of the rectum with double stapled anastomosis via the Kraske approach. Tumour length varied from 4 to 5 cm and the distance from the anal verge from 6 to 8 cm. There were no complications aside from five painless incisional hernia. Segmental resection of the rectum via a posterior approach offers adequate treatment with low morbidity and is therefore suitable in frail patients for whom laparotomy may carry unacceptable risks.

Adenoma↗

A new, simple stapling technique for pulmonary emphysema: its effects and safety for improving respiratory function.

PURPOSE: We performed lung volume reduction surgery (LVRS) in an experimental model using a simple stapling technique (SST) for pulmonary emphysema. The technique uses a stapler to isolate the affected lung from the remaining lung instead of removing it. We performed the present experiment using dogs to study the effects and safety of LVRS using the SST. METHODS: Pulmonary emphysema was induced in 12 dogs with papain. They were divided into three groups: those operated on with SST composed the operation (Op) group; those receiving an experimental thoracotomy composed the sham-operation (Sham-op) group; and those not operated on composed the nonoperation (Non-op) group. Respiratory function was compared among the groups before induction of emphysema (baseline), after induction of emphysema (preoperation), and at 8 weeks after the operation (postoperation Op and Sham-op groups only). The lung was removed and histologically examined 8 weeks after the SST operation. RESULTS: In the Op group, alteration in forced expiratory volume (FEV) 0.5%, airway resistance (Raw) and specific airway conductance (sGaw) showed significantly favorable results. Histologically, the isolated area was widely replaced by fibrous tissue with numerous blood vessels in the circumference in the Op group; no signs of infection such as polykaryoleukocytes or microabscesses were observed in any of the samples. CONCLUSION: The LVRS for pulmonary emphysema using a simple stapling technique improved the expiratory flow and alleviated airway resistance. The isolated remaining lung was well organized without any infectious events or secondary adversity, thus demonstrating the safety of this technique. From these results, this technique is therefore suggested to be effective and applicable to clinical use.

Animals↗

Endoscopic stapling technique for the treatment of Zenker diverticulum vs standard open-neck technique: a direct comparison and charge analysis.

BACKGROUND: Presently, the 2 most widely used methods for the treatment of Zenker diverticulum are endoscopic stapling of the common party wall between the diverticulum sac and the esophagus and the standard open-neck technique involving diverticulectomy and cricopharyngeal myotomy. OBJECTIVE: To perform an analysis of the hospital charges to determine the economic efficiency of each technique based on our experience at the Mt Sinai Medical Center, New York, NY. METHODS: A retrospective analysis of 16 patients diagnosed as having Zenker diverticulum was conducted. Eight randomly chosen patients underwent endoscopic stapling with an EndoGIA 35-mm endoscopic stapler (Ethicon Inc, Somerville, NJ), and 8 randomly chosen patients underwent a standard open approach with diverticulectomy. Medical records were reviewed to determine operative time, length of hospital stay, time to oral intake, and postoperative complications. A charge analysis of the operative and postoperative fees was also performed. Statistical analysis between the 2 groups was conducted using analysis of variance and the paired t test. RESULTS: The mean +/- SD operative time for the endoscopic stapling technique was 25.5 +/- 15.78 minutes, which was significantly less (P<.001) than that for the open procedure, 87.6 +/- 35.10 minutes. The mean operative charges were roughly equivalent at US$ 5178 for the endoscopic procedure and US$ 5113 for the open procedure. The endoscopic procedure, while shorter in operative time, had the added expense of specialized equipment, specifically the EndoGIA endoscopic stapler. The mean +/- SD length of hospital stay for the endoscopic procedure was significantly shorter (P<.001) at 1.3 +/- 0.59 days vs 5.2 +/- 1.03 days for the open procedure. The inpatient hospital charges for the endoscopic group was also significantly less (P<.001) at a mean of US$ 3589 per stay vs US$ 11,439 for the open group. The mean +/- SD time to oral intake was significantly shorter (<.001) at a mean of US$ 3589 per stay vs US$ 11,439 for the open group. The mean +/- SD time to oral intake was significantly shorter (P<.001) in the endoscopic group at 0.8 +/- 0.26 days vs 5.1 +/- 1.25 days for the open group. There were no major complications in either group, and all patients experienced resolution of preoperative symptoms. CONCLUSIONS: Compared with the standard open technique, the endoscopic stapling technique for the treatment of Zenker diverticulum results in a statistically significant shorter operative time, hospital stay, and time to resume oral feedings. While the charges of the operative procedures were roughly equivalent, the total hospital charges were significantly less for the patients treated endoscopically.

Aged↗

Cartilage folding method for main bronchial stapling.

Bronchopleural fistula is one of the most severe complications of lung operations. To prevent bronchopleural fistula, we modified the stapling technique to include folding of both sides of the cartilaginous main bronchus. This reduces the tension at the center of the membranous portion of the airway. From 1991 to 1994, this technique was performed in 7 patients. Despite the fact that 4 of these patients received adjuvant therapy, none had development of a bronchopleural fistula.

Bronchi↗

Resection of the angle of Treitz and distal diverticulization of the duodenum in penetrating abdominal injuries.

BACKGROUND: Access to the 4th part of the duodenum in the region of the ligament of Treitz can be very difficult. Primary repair or traditional duodenal diverticulization is often technically challenging for managing trauma at this location. Due to the frequent concomitant injuries and hemorrhage, a quick, simple and safe repair technique is highly desirable. METHODS: 3 patients with penetrating injuries to the 4th part of the duodenum were managed by a technique affording good exposure, and involving linear stapling across the bowel proximal and distal to the site of injury, with a jejuno-duodenal anastomosis to the 2nd part of the duodenum, the proximal jejunum having been delivered through a window fashioned in the transverse mesocolon. RESULTS: All patients survived and suffered no complications of their duodenal repair. CONCLUSIONS: The technique described offers a relatively simple, apparently safe and effective approach to a difficult problem in trauma surgery.

Abdominal Injuries↗

Extrapleural bullectomy or lung volume reduction: air tight surgery for emphysema without strip-patch.

Air leaks after stapled lung resections for emphysema remain the most common postoperative complication. Staple line reinforcement, alone or in association with a parietal pleural tent, is recognised as an effective technique for decreasing the occurrence of air leaks after pulmonary wedge resection. Several materials have been employed for reinforcement, most of them prosthetic and costly. We use the parietal pleural tent covering the pulmonary targets to be excised, as a reinforcement on which the staple is fired (2 LVRS and 6 bullectomy procedures). Air tightness and obliteration of intrapleural space are simultaneously achieved. We named our technique: Extrapleural Bullectomy (EB) or Extrapleural Lung Volume Reduction (ELVR), according to the indication of the operation. No mortality nor significative morbidity, particularly prolonged postoperative air leak, were observed. At the follow-up (3 to 12 months) no pneumothorax or residual spaces have occurred.

Humans↗

Ileoanal anastomosis with pelvic pouch: short review.

Pelvic pouch surgery is still a rather new technique, but has been developed considerably over the years. The construction of J-shaped pouches and ileoanal anastomoses with a total stapling technique has meant considerable progress in the operative procedure compared to the method including mucosal proctectomy en bloc with excision of the rectum and colon, handsewn pouches, and handsewn ileoanal anastomoses. Omission of a deviating loop ileostomy saves the patient another operation, hospital stay and sick leave. Development of malignancy in an atrophic pouch mucosa cannot be ruled out. Careful surveillance of all patients at the operating clinic is therefore necessary.

Colitis, Ulcerative↗