Is the use of prophylactic hemoclips in the endoscopic resection of large pedunculated polyps useful? A prospective and randomized study

BACKGROUND

The methods for preventing post-polypectomy bleeding (PPB) are not standardised and there are groups that use hemoclips for this purpose.

OBJECTIVE

To study whether the use of hemoclips reduces PPB complications.

MATERIALS AND METHODS

Prospective, randomised study of patients with pedunculated polyps larger than 10 mm. The patients were included in two groups (hemoclip before polypectomy -HC- and standard polypectomy -SP-). This study has been registered with the trial registration number NCT01565993.

RESULTS

105 polypectomies were performed (98 patients), 66 (62.9%) in the HC group. The total rate of complications was 10,6% in the HC group (4.5% early bleeding, 1.5% severe delayed bleeding, 4,5% mucosal burns, 1.5% perforation). In the SP group, the rate of total complications was 7,7%, (7,7% early bleeding, no significant differences). In view of the unexpected increase in the morbidity of the hemoclip group, the study was suspended without reaching the sample size. In an ad hoc analysis, which includes the standard polypectomy patients who refused to participate in the study (35 polyps), the total morbidity was 5,7% (no perforations and 2 patients with premature bleeding).When we compared the morbidity of the HC group to the morbidity of SP group plus R group (74 polyps), we also failed to detect any significant differences in terms of PPB, but did in terms of perforation.

CONCLUSION

The prophylactic use of hemoclips in polypectomies of large pedunculated polyps leads to a further risk of mucosal burns and perforation that is not acceptable, and does not reduce the risk of PPB.

Is the use of prophylactic hemoclips in the endoscopic resection of large pedunculated polyps useful? A prospective and randomized study

BACKGROUND

The methods for preventing post-polypectomy bleeding (PPB) are not standardised and there are groups that use hemoclips for this purpose.

OBJECTIVE

To study whether the use of hemoclips reduces PPB complications.

MATERIALS AND METHODS

Prospective, randomised study of patients with pedunculated polyps larger than 10 mm. The patients were included in two groups (hemoclip before polypectomy -HC- and standard polypectomy -SP-). This study has been registered with the trial registration number NCT01565993.

RESULTS

105 polypectomies were performed (98 patients), 66 (62.9%) in the HC group. The total rate of complications was 10,6% in the HC group (4.5% early bleeding, 1.5% severe delayed bleeding, 4,5% mucosal burns, 1.5% perforation). In the SP group, the rate of total complications was 7,7%, (7,7% early bleeding, no significant differences). In view of the unexpected increase in the morbidity of the hemoclip group, the study was suspended without reaching the sample size. In an ad hoc analysis, which includes the standard polypectomy patients who refused to participate in the study (35 polyps), the total morbidity was 5,7% (no perforations and 2 patients with premature bleeding).When we compared the morbidity of the HC group to the morbidity of SP group plus R group (74 polyps), we also failed to detect any significant differences in terms of PPB, but did in terms of perforation.

CONCLUSION

The prophylactic use of hemoclips in polypectomies of large pedunculated polyps leads to a further risk of mucosal burns and perforation that is not acceptable, and does not reduce the risk of PPB.

Is the use of prophylactic hemoclips in the endoscopic resection of large pedunculated polyps useful? A prospective and randomized study

BACKGROUND

The methods for preventing post-polypectomy bleeding (PPB) are not standardised and there are groups that use hemoclips for this purpose.

OBJECTIVE

To study whether the use of hemoclips reduces PPB complications.

MATERIALS AND METHODS

Prospective, randomised study of patients with pedunculated polyps larger than 10 mm. The patients were included in two groups (hemoclip before polypectomy -HC- and standard polypectomy -SP-). This study has been registered with the trial registration number NCT01565993.

RESULTS

105 polypectomies were performed (98 patients), 66 (62.9%) in the HC group. The total rate of complications was 10,6% in the HC group (4.5% early bleeding, 1.5% severe delayed bleeding, 4,5% mucosal burns, 1.5% perforation). In the SP group, the rate of total complications was 7,7%, (7,7% early bleeding, no significant differences). In view of the unexpected increase in the morbidity of the hemoclip group, the study was suspended without reaching the sample size. In an ad hoc analysis, which includes the standard polypectomy patients who refused to participate in the study (35 polyps), the total morbidity was 5,7% (no perforations and 2 patients with premature bleeding).When we compared the morbidity of the HC group to the morbidity of SP group plus R group (74 polyps), we also failed to detect any significant differences in terms of PPB, but did in terms of perforation.

CONCLUSION

The prophylactic use of hemoclips in polypectomies of large pedunculated polyps leads to a further risk of mucosal burns and perforation that is not acceptable, and does not reduce the risk of PPB.

[Endoscopic treatment of gastrointestinal fistulas with biological fibrin glue]

OBJECTIVE

We summarize our experience of endoscopic treatment of gastrointestinal fistulas with fibrin glue.

PATIENTS AND METHOD

We retrospectively reviewed the outcome of 30 patients with gastrointestinal fistulas (9 internal and 21 external) refractory to standard conservative treatment for at least 10 days. Once the fistula was endoscopically located, 4 to 8 ml of reconstituted fibrin glue (Tissucol 2.0) at 37 degrees C was injected through a Duplocath catheter on a weekly basis.

RESULTS

The mean age was 59 years (32-87) and 63% were men. A total of 21.9% of the patients had high output fistulas. We were able to find all fistular orifices what were located close to the surgical anastomosis. Healing time was 17 days (4-90); 2.8 sessions were required per patient (1-5) but only 2.3 sessions were required in responders. Complete sealing of fistulas was achieved in 75%; (80% in low-output, 25% in high-output and 55.5% in internal fistulas). The frequency of fistula recurrence was 3.3%. No complications related to the sealing procedure were found. Overall mortality was 10%, but only 6.6% was related to persistence of the fistula.

CONCLUSIONS

Endoscopic treatment of fistulas with biological glue has a high success rate in sealing without complications, helping to speed up the healing process and reduce costs, particularly in low-output enterocutaneous fistulas.

Two-stage treatment with preoperative endoscopic retrograde cholangiopancreatography (ERCP) compared with single-stage treatment with intraoperative ERCP for patients with symptomatic cholelithiasis with possible choledocholithiasis

BACKGROUND AND STUDY AIMS

An ideal treatment for choledocholithiasis in the laparoscopic era has not been established. The objective of this study was to elucidate whether a treatment strategy of performing intraoperative endoscopic retrograde cholangiopancreatography (ERCP) during laparascopic cholecystectomy (when choledocholithiasis is confirmed by intraoperative cholangiography) is better for patients with suspected common bile duct stones than the current strategy (preoperative ERCP followed by laparoscopic cholecystectomy).

PATIENTS AND METHODS

This was a prospective randomized study to evaluate which of these two approaches was most benefit- and cost-effective for patients with intermediate risk of choledocholithiasis. Patients underwent either preoperative ERCP followed by a laparoscopic cholecystectomy a few weeks later (the "preoperative ERCP" group) or intraoperative ERCP (the "intraoperative ERCP" group). Intraoperative ERCP was performed using the rendezvous technique.

RESULTS

There were 64 patients in the preoperative ERCP group and 59 patients in the intraoperative ERCP group. The demographic and clinical characteristics of the two groups were similar, except that the bilirubin and gamma-glutamyl transferase (GGT) levels and the number of patients treated on an inpatient basis were higher in the preoperative ERCP group. Success rates were similar (96.6 % in the preoperative ERCP group vs. 90.2 % in the intraoperative ERCP group in the per-protocol study). Total morbidity, post-ERCP morbidity, and post-ERCP acute pancreatitis rates were higher in the preoperative ERCP group, but there were no differences between the two groups in the frequency of residual common bile duct stones, the conversion rate to open cholecystectomy, or surgical morbidity. The length of hospital stay and costs were lower in the intraoperative ERCP group despite the longer surgical times in this group. Univariate analysis did not find any relationship between morbidity and total bilirubin or GGT. Logistic regression analysis confirmed that morbidity was related only to the treatment group and the time spent in the operating room: the relative risk (RR) was 4.37 for morbidity and 1.015 for the time spent in the operating room); the RR for papillotomy was 5.49.

CONCLUSIONS

Both treatment approaches were equally effective but the intraoperative ERCP group had less morbidity, a shorter hospital stay, and reduced costs. The lower morbidity in the intraoperative ERCP group resulted from the lower rate of papillotomy and lower rates of post-ERCP pancreatitis and cholecystitis. Total morbidity was principally related to the type of treatment approach used.

Endoscopic treatment of postoperative fistulas resistant to conservative management using biological fibrin glue

BACKGROUND AND STUDY AIMS

Postoperative fistulae occur frequently in standard surgical practice, but there is no general agreement on how to treat them. We summarize here our experience with endoscopic treatment.

PATIENTS AND METHODS

Postoperative digestive fistulae resistant to conservative treatment, in 15 patients, are retrospectively reviewed. Our series included two internal fistulas: (one rectovesical, and one high-output pleuroesophagic), and 13 external fistulas (one low-output gastrocutaneous, two low-output esophagocutaneous, seven low-output enterocutaneous, and three high-output enterocutaneous). After failure of conservative treatment, the fistulas were endoscopically located and 2 - 4 ml of reconstituted fibrin glue, Tissucol 2.0 at 37 degrees C, was injected through a catheter.

RESULTS

The mean age of the patients was 61.2 years (38 - 86), and 60 % were men. Of the fistulas, 26.6 % were of the high-output type. The mean healing time was 16 days (5 - 40), and a mean of 2.5 sessions per patient were required (1 - 5). Complete sealing of fistulas was achieved in 86.6 % of cases; (87.5 % of the low-output and internal fistulas, and 55 % of the high-output fistulas). After follow-up ranging between 2 months and more than 3 years, only one of the sealed fistulas reopened. No complications were encountered. Overall mortality was 13.3 % (two out of 15), but in only one patient was this related to clinical deterioration because of the persistence of the fistula.

CONCLUSIONS

We think that conservative treatment should not be prolonged beyond 14 days and that endoscopic treatment should be performed at that stage. Endoscopic sealing treatment achieves a very high success rate, without complications and at a lower cost. It could probably reduce the hospital stay, and avoid some unnecessary surgical interventions. Appropriate multicenter randomized trials are needed to confirm these results.

[Esophageal perforation and postoperative fistulae of the upper digestive tract treated endoscopically with the application of Tissucol]

We present three patients with serious gastro-esophageal complications which were treated with Tissucol. The first patient developed a rare postoperative oesophago-pleural fistula. The second suffered a traumatic esophageal perforation (possibly iatrogenic) that was discovered at the end of the removal procedure of an alimentary bolus impacted in the distal esophagus. Attempts to close the high output oesophago-pleural fistula with standard treatment were unsuccessful. It was closed with Tissucol at the third attempt, in conjunction with oesophago-jejunal stenosis by means of endoscopic dilatation. In the second patient, early Tissucol application after detection of pneumomediastinum was an effective complementary treatment to the conservative approach and rapidly closed the perforation. The third patient developed a low debit postoperative gastro-cutaneous fistula that did not resolve with conservative treatment. It was closed with only one session of Tissucol sealing. We consider that the endoscopic application of fibrin glue should become the first step in the conservative treatment of small esophageal perforations or postoperative esophageal pleural fistulae, especially in cases of high output fistulae. The success of this technique depends on the localization and selective catheterization of the fistula and on brushing the fistular opening. Total resolution of any distal stenosis is necessary to prevent reopening of the fistula.

[Treatment of inoperable malignant gastric stenosis with self-expanding prosthesis]

We report two patients with inoperable malignant stenosis of gastric antrum who were treated with endoscopic placement of a 22 mm Wallstent metallic prosthesis. In one patient, the endoscope was introduced simultaneously with the prosthesis. Different types of pincers were introduced through the endoscope's canal, which aided the movement and placement of the prosthesis. In the other patient, to broaden the stenosis a pediatric endoscope was introduced with a guide inside the canal, which was held straight externally and which facilitated the positioning of the prosthesis. There were no complications and the patients were discharged after 48 hours able to follow a normal oral diet. Both patients are still living, six and four months respectively after the procedure.

[Severe digestive hemorrhage of an unusual etiology. Visible isolated and bleeding esophageal vessels]

We describe two patients with massive upper gastrointestinal bleeding. The upper gastrointestinal endoscopy revealed jet haemorrhage in the distal portion of the esophagus, from a visible vessel, without esophageal mucosal damage. In both cases arteriography was performed, and did not show vascular malformations or fistulous points. The patients were successfully treated, one with endoscopic sclerosis and balloon tamponade, and the other with endoscopic sclerosis and transcatheter embolization through left gastric artery. For the time being we do not know the true importance of these findings, but we hope that other reports help us to understand the clinical and pathologic features of this vascular lesion, and the best therapeutic approach.