EVIS LUCERA ELITE DUODENOVIDEOSCOPE
Report
- Report Number
- 9610595-2024-40335
- Event Type
- Injury
- Date Received
- December 3, 2024
- Date of Event
- June 5, 2024
- Report Date
- February 10, 2025
- Manufacturer
- AIZU OLYMPUS CO., LTD.
- Product Code
- FDT
- Adverse Event
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- JA
- Reporter Occupation
- PHYSICIAN
- Health Professional
- Yes
Narratives
THIS REPORT IS RELATED TO THE FOLLOWING LINKED PATIENT IDENTIFIERS:(B)(6). THE INVESTIGATION IS ONGOING. A SUPPLEMENTAL REPORT WILL BE SUBMITTED WHEN THE INVESTIGATION IS COMPLETED OR IF ADDITIONAL INFORMATION BECOMES AVAILABLE.
THIS REPORT IS BEING SUPPLEMENTED TO PROVIDE ADDITIONAL INFORMATION BASED ON THE APPROVED FINAL INVESTIGATION. UPDATED FIELDS: H6. BASED ON THE RESULTS OF THE INVESTIGATION, AND SINCE THE DEVICE WAS NOT RETURNED FOR EVALUATION, THE CAUSE OF THE EVENT COULD NOT BE DETERMINED. OLYMPUS WAS NOT ABLE TO DETERMINE THE CAUSAL RELATIONSHIP BETWEEN THE DEVICE AND THE HEALTH HAZARD. OLYMPUS WILL CONTINUE TO MONITOR THE FIELD PERFORMANCE OF THIS DEVICE.
OLYMPUS REVIEWED THE FOLLOWING LITERATURE TITLED ¿PROPHYLACTIC USE OF A SELF-ASSEMBLING PEPTIDE HYDROGEL FOR PREVENTING DELAYED BLEEDING AFTER ENDOSCOPIC SPHINCTEROTOMY: A PROPENSITY SCORE-MATCHED ANALYSIS." BACKGROUND AND AIM: DELAYED ENDOSCOPIC SPHINCTEROTOMY-RELATED BLEEDING (ES BLEEDING) IS AN UNAVOIDABLE ADVERSE EVENT (AE) THAT CAN HAVE SERIOUS RAMIFICATIONS. INTRAOPERATIVE ES BLEEDING, WHICH STOPS SPONTANEOUSLY IN MOST CASES, IS A KNOWN RISK FACTOR FOR DELAYED BLEEDING. THIS STUDY AIMED TO EXAMINE THE PREVENTIVE EFFECT OF A NOVEL SELF-ASSEMBLING PEPTIDE (SAP) FOR DELAYED ES BLEEDING IN PATIENTS WHO ATTAINED SPONTANEOUS HEMOSTASIS AFTER INTRAOPERATIVE ES BLEEDING. METHODS: A TOTAL OF 1507 PATIENTS MET THE ELIGIBILITY CRITERIA FOR INCLUSION IN THIS STUDY. THE RATES OF DELAYED ES BLEEDING AND AE BESIDES BLEEDING WERE COMPARED BETWEEN PATIENTS ADMINISTERED THE SAP (SAP GROUP) AND THOSE WHO WERE SIMPLY OBSERVED AFTER SPONTANEOUS HEMOSTASIS OF INTRAOPERATIVE ES BLEEDING (CONTROL GROUP). PROPENSITY SCORE MATCHING WAS PERFORMED TO ADJUST FOR DIFFERENCES BETWEEN THE GROUPS. RESULTS: THE RATE OF DELAYED ES BLEEDING WAS SIGNIFICANTLY LOWER IN THE SAP GROUP THAN THAT IN THE CONTROL GROUP (0.9% VS 3.8%, P = 0.044). THE RATES OF AES OTHER THAN BLEEDING WERE 2.4% AND 3.8% IN THE SAP AND CONTROL GROUPS, RESPECTIVELY, AND THE DIFFERENCE LACKED STATISTICAL SIGNIFICANCE (P = 0.481). MULTIVARIATE ANALYSIS REVEALED THAT THE USE OF SAP WAS SIGNIFICANTLY ASSOCIATED WITH A LOWER FREQUENCY OF DELAYED ES BLEEDING (ODDS RATIO, 0.35; 95% CONFIDENCE INTERVAL, 0.13¿0.98; P = 0.047). IN THE SAP GROUP, THE TWO BLEEDING EVENTS WERE MILD AND WERE STOPPED WITH AN ENDOSCOPIC EPINEPHRINE INJECTION. IN THE CONTROL GROUP, THE SEVERITY OF BLEEDING WAS MILD IN 2 PATIENTS, MODERATE IN 12, AND SEVERE IN 2 (FIG. 2). ALL THESE CASES UNDERWENT ENDOSCOPIC HEMOSTASIS WITH VARIOUS METHODS, AND SEVEN OF THEM REQUIRED A COVERED METAL STENT PLACEMENT; ONE CASE REQUIRED ARTERIAL EMBOLIZATION AS THE BLEEDING COULD NOT BE STOPPED ENDOSCOPICALLY. THE RATES OF AES OTHER THAN BLEEDING WERE 2.4% (5/212) AND 3.8% (16/424) IN THE SAP AND CONTROL GROUPS, RESPECTIVELY; THE DIFFERENCE WAS NOT STATISTICALLY SIGNIFICANT (P = 0.481). OTHER AES THAT WERE IDENTIFIED IN THE SAP GROUP INCLUDED PANCREATITIS IN TWO PATIENTS, CHOLANGITIS IN TWO PATIENTS, AND ASPIRATION PNEUMONITIS IN ONE PATIENT; THESE WERE ALL TREATED CONSERVATIVELY. AES IN THE CONTROL GROUP INCLUDED PANCREATITIS IN 10 PATIENTS, ASPIRATION PNEUMONITIS IN 3, AND PERFORATION IN 3; FIVE PANCREATITIS CASES AND ONE PERFORATION CASE WERE SEVERE, WHILE THE OTHER EVENTS WERE GRADED AS MILD OR MODERATE. TYPE OF ADVERSE EVENTS/NUMBER OF PATIENTS: [SAP GROUP], DELAYED BLEEDING AFTER ES - 2 PATIENTS (MODERATE = 2), PANCREATITIS - 2 PATIENTS, CHOLANGITIS - 2 PATIENTS, ASPIRATION PNEUMONITIS - 1 PATIENT. [CONTROL GROUP], DELAYED BLEEDING AFTER ES - 16 PATIENTS (MILD = 2,MODERATE = 12, SEVERE = 2), PANCREATITIS - 10 PATIENTS, ASPIRATION PNEUMONITIS - 3 PATIENTS, PERFORATION - 3 PATIENTS. CONCLUSIONS: SELF-ASSEMBLING PEPTIDE MAY BE A SIMPLE, SAFE, AND USEFUL WAY TO REDUCE THE RISK OF DELAYED ES BLEEDING IN PATIENTS WHO EXPERIENCED INTRAOPERATIVE ES BLEEDING AND OBTAINED SUBSEQUENT SPONTANEOUS HEMOSTASIS.
ADDITIONAL INFORMATION RECEIVED THAT THE AUTHOR CONFIRMED THAT THERE WAS NO DEVICE MALFUNCTIONED, AND NO DEVICE CAUSED OR CONTRIBUTED TO THE ADVERSE EVENTS THAT WERE REPORTED.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 1941055 | EVIS LUCERA ELITE DUODENOVIDEOSCOPE | DUODENOVIDEOSCOPE | FDT | AIZU OLYMPUS CO., LTD. | TJF-Q290V |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | NA | Unknown | Required Intervention | STANDARD WIRE-GUIDED SPHINCTEROTOMES |