The critical view of safety during keyhole surgical gallbladder removal: Strasberg method yes or no? An Italian multicentre study

ISRCTN ISRCTN10815089
DOI https://doi.org/10.1186/ISRCTN10815089
Secondary identifying numbers Uniba-5674
Submission date
29/01/2020
Registration date
31/01/2020
Last edited
31/01/2020
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Digestive System
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English Summary

Background and study aims
Keyhole surgery for gall bladder removal (laparoscopic cholecystectomy) is currently and worldwide considered the gold standard for the treatment of gallbladder stones. Since its introduction, in the early 1990s, this procedure has gained a remarkable consensus until becoming a routine surgical procedure. However, this procedure comes with an increased incidence of bile duct injuries (BDI), compared to open cholecystectomy (OC): 0.3% and 0.8% vs 0.2%. Strasberg introduced in 1995 the "Critical View of Safety" (CVS) to promote the recognition of the gallbladder elements in order to reduce the risk of BDI and to avoid mistakes due to anatomical alterations and altered visual perception.
The SYoN (Strasberg Yes or No) study is a multicentre Italian observational prospective cohort study, performed by collecting and analysing clinical data of patients managed in 30 Italian surgical departments, affiliated with the Italian Digestive Pathology Society (SIPAD), over a study period of 2 years. The study was conducted prospectively with the insertion of patients on a national database whose data, however, were retrospectively collected after patient discharge not to influence patient management. This prospective study aimed to assess the impact of the correct application of CVS principles during LC on the incidence of postoperative complications, such as BDI and bleeding.

Who can participate?
Adult patients treated with Laparoscopic Cholecystectomy at one of the study sites.

What does the study involve?
Patients will be treated as usual. The data will be collected after patient discharge not to influence patient management. Patients receive the most suitable surgical treatment based on their clinical conditions, the preoperative study, and the intraoperative findings.

What are the possible benefits and risks of participating?
The study doesn’t influence the management of patients causing any risk for participating but aiming to analyse the effective application of CVS in the current surgical practice. This study could be potentially useful to encourage the safest management in case of CVS not applicable such as open conversion and subtotal cholecystectomy.

Where is the study run from?
Department of Biomedical Sciences and Human Oncology - Unit of General Surgery "V. Bonomo" University Medical School of Bari (Italy)

When is the study starting and how long is it expected to run for?
March 2017 to March 2019

Who is funding the study?
Universita degli Studi di Bari Aldo Moro (Italy)

Who is the main contact?
Prof. Mario Testini (scientific)
mario.testini@uniba.it
Dr Lucia Sgaramella (public)
ilaria.sgaram@gmail.com

Study website

Contact information

Prof Mario Testini
Scientific

Polyclinic Hospital of Bari
Piazza Giulio Cesare, 11
Bari
70124
Italy

ORCiD logoORCID ID 0000-0002-9297-4894
Phone +39 3355370914
Email mario.testini@uniba.it
Dr Lucia Sgaramella
Public

Via P. Carbonara, 22
Bitonto (Bari)
70032
Italy

ORCiD logoORCID ID 0000-0002-6087-4119
Phone +39 3468521216
Email ilaria.sgaram@gmail.com

Study information

Study designMulticentre observational prospective cohort study
Primary study designObservational
Secondary study designCohort study
Study setting(s)Hospital
Study typeTreatment
Participant information sheet Not available in web format, please use the contact details below to request a patient information sheet
Scientific titleThe impact of the correct application of critical view of safety (CVS) principles during laparoscopic cholecystectomy on the incidence of postoperative complications
Study acronymSYoN
Study hypothesisThe CVS is the safest technique for recognizing the elements of the Calot triangle and in preventing intra-operative complications (iatrogenic lesions and perioperative bleeding).
Ethics approval(s)Approved 17/10/2018, Ethics Committee of the University of Bari (Policlinico di Bari - P.zza G. Cesare n. 11, Bari- 70124, Italy; +39 (0)80 5593399; comitatoetico@policlinico.ba.it), ref: 5674
ConditionAcute cholecystitis and cholelithiasis
InterventionAll members of SIPAD society (Italian Digestive Pathology Society) will be invited by email to participate in the study through an online questionnaire. The questionnaire (23 questions divided into six forms) examines the preoperative workup, the laparoscopic training of the first surgeon, the intraoperative management of the patient, and the post-operative phase concerning any BDI and peri-operative bleeding.

Patients submitted to emergency LC for acute cholecystitis, elective LC for chronic pathologies, and patients treated with LC during other major laparoscopic surgeries are eligible for inclusion if a proper preoperative examination is conducted by the operating surgeon.

In case of declared CVS, the surgeon is asked to judge personally at the end of the procedure if the isolation of the elements is performed according to all the points described by Strasberg, and subsequently to attach an iconographic item (Video or "Doublet Photography") in case of dissection of the Calot triangle with CVS.

During compilation, the iconographic documentation (video or photo) is sent to a dedicated encrypted email address indicating the date of the surgery, the patient's initials, the date of birth and the recruiting centre.

Data collection, compiled by the recruiting centre, is centrally recorded into an electronic database of the data manager (SIPAD), which also ensured the blinding of the lead operator. Finally, an expert surgeon with high skill in hepatobiliary and laparoscopic surgery will review, as external auditor, all the iconographic documentation to establish the strict adherence of the declared manoeuvre with the three principles of the CVS of Strasberg.
Intervention typeProcedure/Surgery
Primary outcome measureMeasured using patient records
1. Rate of Bile Duct Injuries
2. Rate of bleeding
Secondary outcome measuresMeasured using patient records:
1. Duration of surgery in minutes
2. Length of a hospital stay
3. Operator-related risk factors
4. Patient-related risk factors
Overall study start date01/01/2017
Overall study end date01/03/2019

Eligibility

Participant type(s)Patient
Age groupAdult
SexBoth
Target number of participants650
Participant inclusion criteria1. Patients submitted to emergency Laparoscopic Cholecystectomy for acute cholecystitis
2. Patients submitted to elective Laparoscopic Cholecystectomy for cholelitiasis
3. Patients treated with Laparoscopic Cholecystectomy during other major laparoscopic surgeries
Participant exclusion criteria1. Patients submitted to open cholecystectomy
2. Patients submitted to laparoscopy converted to open surgery
3. Patients submitted to surgery with evidence of malignant pathologies of the gallbladder
Recruitment start date01/03/2017
Recruitment end date01/03/2019

Locations

Countries of recruitment

  • Italy

Study participating centres

University Medical School of Bari
Department of Biomedical Sciences and Human Oncology - Unit of General Surgery V. Bonomo
Piazza G. Cesare, 11
Bari
70124
Italy
Sant' Andrea Hospital
Department of General Surgery
Via Vittorio Veneto, 197
La Spezia
19121
Italy
San Donato Hospital
Department of Surgery, Division of General Surgery
via Pietro Nenni 20-22
Arezzo
52100
Italy
Cles Hospital
Department of Surgery, Division of General Surgery
via Degasperi 31
Cles
38023
Italy
Sant' Elena Hospital
Department of Surgery, Division of General Surgery
Via Guglielmo Marconi, 160
Quartu Sant'Elena
09045
Italy
San Martino Hospital & National Cancer Institute
Surgery Unit 1
Largo Rosanna Benzi, 10
Genova
16132
Italy
Federico II University of Naples
Department of Clinical Medicine and Surgery
Via Sergio Pansini, 5
Naples
80131
Italy
Parma University Hospital
Emergency Surgery Department
Viale Antonio Gramsci, 14
Parma
43126
Italy
Policlinico San Martino IRCCS
Department of Surgery
Largo Rosanna Benzi, 10
Genova
16132
Italy
San Bonifacio (ULSS9 Scaligera)
Department of Surgery
Via Circonvallazione, 1
San Bonifacio
37047
Italy
Hospital of Brescia
Department of Surgery
Via Bezzecca, 10
Brescia
25128
Italy
ASST Nord Milano
Department of Surgery
Viale Giacomo Matteotti, 83
Sesto San Giovanni
20099
Italy
IRCCS policlinico San Matteo
Department of Surgery
Viale Camillo Golgi, 19
Pavia
27100
Italy
Department of Surgery, Villa Esther
Via dei Due Principati, 169
Avellino AV
83100
Italy
ASST FBF Sacco
Department of Surgery
Via G.B Grassi, 74
Milano
20157
Italy
Hospital of Ponderano
Department of Surgery
Via dei Ponderanesi, 2
Biella
13875
Italy
Hospital "Sant'Elia"
Department of surgery
Via Luigi Russo, 6
Caltanissetta
93100
Italy
Hospital Vanvitelli
Department Of Surgery
Piazza Luigi Miraglia, 2
Naples
80138
Italy
Hospital of Prato
Department of Surgery
Via Suor Niccolina Infermiera, 20/22
Prato
59100
Italy
University Medical School "A. Moro" of Bari
Unit of Laparoscopic Surgery, Department of Emergency and Organ Transplantation
Piazza G. Cesare, 11
Bari
70124
Italy
University of Palermo, Policlinico P. Giaccone
Department of Surgical, Oncological and Oral Sciences (Di. Chir. On. S.)
Via Liborio Giuffré 5
Palermo
90127
Italy

Sponsor information

University of Bari Aldo Moro
Hospital/treatment centre

Unit of General Surgery "V. Bonomo"
Department of Biomedical Sciences and Human Oncology
University Medical School "Aldo Moro" of Bari
Piazza Giulio Cesare, 11
Bari
70124
Italy

Phone +39 3355370914
Email mario.testini@uniba.it
Website http://www.uniba.it/english-version
ROR logo "ROR" https://ror.org/027ynra39

Funders

Funder type

University/education

Universita degli Studi di Bari Aldo Moro
Government organisation / Local government
Alternative name(s)
University of Bari Aldo Moro
Location
Italy

Results and Publications

Intention to publish date01/11/2020
Individual participant data (IPD) Intention to shareYes
IPD sharing plan summaryAvailable on request
Publication and dissemination planPublication in Surgical Endoscopy.
IPD sharing planThe datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

Editorial Notes

31/01/2020: Trial’s existence confirmed by Ethics Committee of the University of Bari.