Influence of the Different Ways of Appendix Stump Closure on Patient Outcome in Laparoscopic Appendectomy

NCT ID: NCT02941640

Last Updated: 2017-06-14

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

120 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-10-02

Study Completion Date

2017-01-30

Brief Summary

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During laparoscopic appendectomy, the base of the appendix is usually secured by an endoloop ligature or the stapler. Non-absorbable plastic hem-o-lok clip was shown as an alternative technique with which laparoscopic appendectomy was done faster and cheaper than the standard techniques. However, biocompatibility of different materials udes in securing the base of appendix is different. It was observed that stapler's clips made by titanium caused the mildest inflammatory reaction and creation of adhesions. Disadvantages of stapler's are their high price.

Titanium clips made for the use in laparoscopic appendectomy are safe and effective option in securing the appendicular stump in laparoscopic appendectomy. They have potential advantages over stapler, because they have the same bio compatibility, and their price is lower.

Detailed Description

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Prospective study was conducted in the period from 02. October 2016 to 30. December 2016. The patients were randomly divided into four groups; in the first group, the base of the appendix was secured using one endoloop ligature, in the second group using the 45-mm stapler, in third group using only one non-absorbable Hem-o-lok clip and in fourth group using titanium DS clip.

Patients were assessed for eligibility at the emergency station by the surgeon on-call once the diagnosis of acute appendicitis was established. A dedicated study nurse assigned randomly to Endoloop (E group) or Stapler (S group), or Hem-o-lock (H group), or DS clip (DS group) by picking out of a box and opening a sealed opaque randomization envelope in operating theatre. The details of the allocated treatments (''E'' or ''S'', or (''H'' or (''Ds'' ) were given on cards contained in sealed opaque envelopes. All sealed opaque envelopes were previously prepared with a 1 : 1 ratio, well shuffled, and put into a box by the dedicated study nurse. No blinding was performed.

Data collected included age, gender, surgery time, time of hem-o-lok clip application, hospital stay, costs associated with these and intra- and post-operative complications.

Technique

The patient was placed in supine position, combined with Trendelenburg position and left lateral position (10º - 15º, incline towards the surgeon). The surgeon used the French position (between legs of patient) and an assistant stood on the left side, and monitor was on the right side of the patient. The bladder was decompressed with the Foley catheter to avoid an injury during insertion of the supra-pubic ports. Pneumoperitoneum was established with the Veress needle through the umbilicus and then an endoscope was introduced. Under direct vision, one 12 mm trocar was inserted in suprapubic region, a little to the left, and 5 mm trocar in the right lower quadrant, to the level of the first 12 mm port, in order to acquire triangulation. After that the abdominal cavity was inspected.

When the decision was made to perform appendectomy, mesoappendix was mobilized and dissected using an harmonic scalpel (Ethicon, Endosurgery, Cincinnati, OH). In the first group, the base of the appendix was secured using one endoloop, and on the distal part which would be removed, another endoloop was used. In the second group, the appendix was secured by a 45 mm stapler (thick charge) (Ethicon, Endosurgery, Cincinnati, OH). In the third group, one hem-o-lok clip, size XL (Hem-o-lock, Weck Closure Systems, Research Triangle Park, NC, USA) was placed on the base the appendix by a special applier for the hem-o-lok clip, and on the distal part which would be removed, another clip was used. In the fourth group, one titanium DS clip (Aesculap AG, Tuttlingen, Germany) was placed on the base of appendix by endoscopic clip applier (12 mm) and on the distal part which would be removed, another DS clip was used.

Conditions

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Appendicitis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants
The study included 120 patients randomly divided into four groups with 30 patients in each. The study was not blinded. The nurse designated for participation in this study allocated the patients randomly into four groups by selecting a sealed opaque envelope from a box and opening it in the operating theatre. A card inside the envelope contained name of the treatment. All the envelopes were prepared in advance in a ratio of 1:4, shuffled well, and placed in the box by the same nurse.

Study Groups

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Laparoscopic appendectomy. E group.

The securing the base of appendix by Endo-loop.

Group Type EXPERIMENTAL

E group

Intervention Type PROCEDURE

The securing the base of appendix by endoloop.

Endoloop

Intervention Type DEVICE

Laparoscopic appendectomy. S group.

The securing the base of appendix by stapler.

Group Type EXPERIMENTAL

S group

Intervention Type PROCEDURE

The securing the base of appendix by Stapler.

Stapler

Intervention Type DEVICE

Laparoscopic appendectomy. H group.

The securing the base of appendix by Hem-o-lok clip.

Group Type EXPERIMENTAL

H group

Intervention Type PROCEDURE

The securing the base of appendix by Hem-o-lok clip.

Hem-o-lok clip

Intervention Type DEVICE

Laparoscopic appendectomy. DS group.

The securing the base of appendix by DS clip.

Group Type EXPERIMENTAL

DS group

Intervention Type PROCEDURE

The securing the base of appendix by DS clip.

DS clip

Intervention Type DEVICE

Interventions

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E group

The securing the base of appendix by endoloop.

Intervention Type PROCEDURE

S group

The securing the base of appendix by Stapler.

Intervention Type PROCEDURE

H group

The securing the base of appendix by Hem-o-lok clip.

Intervention Type PROCEDURE

DS group

The securing the base of appendix by DS clip.

Intervention Type PROCEDURE

Endoloop

Intervention Type DEVICE

Stapler

Intervention Type DEVICE

Hem-o-lok clip

Intervention Type DEVICE

DS clip

Intervention Type DEVICE

Other Intervention Names

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Endoloop Stapler Hem-o-lok clip DS clip

Eligibility Criteria

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Inclusion Criteria

* Patient with accute appendicits

Exclusion Criteria

* Patient younger than 18 years
Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University Clinical Center Tuzla

OTHER

Sponsor Role lead

Responsible Party

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Samir Delibegovic

MD, Ph.D, Professor of surgery, Head of colorectal department

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Enver Zerem, MD, PhD

Role: STUDY_CHAIR

University Clinical Center Tuzla

Locations

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University Clinical Center Tuzla

Tuzla, , Bosnia and Herzegovina

Site Status

Countries

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Bosnia and Herzegovina

Other Identifiers

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04-09/2-12/16

Identifier Type: -

Identifier Source: org_study_id

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