On jan.5, 2022, olympus medical systems corp.(omsc) received the literature titled "long-term outcome of endoscopic balloon dilation for duodenal crohn¿s disease-associated strictures".In the literature, fifty-four patients with duodenal cd-associated strictures who underwent ebd between june 2011 and may 2020 were included.The median age of the patients was 28.31±8.30 years, and 44 patients were male.For the procedure, olympus products(gif-h260) were used.In the literature for the procedure, it was reported that the following.Two patients who had excruciating pain in the belly after dilation were diagnosed with duodenal perforation based on abdominal ct.One patient was cured by conservative treatment, and another patient who failed conservative treatment underwent surgery.Based on the available information, reported perforation was not reported in a direct relationship with the olympus products.However, omsc assumes that the perforation might be related to the subject device since the subject device was used for the procedure.And, omsc assumes that the perforation (1 patient) might be caused or contributed to a death or serious injury.Omsc assumes that the perforation (1 patient) was not serious based on the available information such as the following report: one patient was cured by conservative treatment.Therefore, omsc assumes that the perforation was an adverse event to submit.Based on the available information, specific information on the subject device and the patient (except for some, for example, age) were not provided.There is no description of the device's malfunction.Omsc will submit one medical device report (mdr) of the subject device for the perforation.
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The subject device was not returned to olympus medical systems corp.(omsc) for evaluation.Therefore, the exact cause of the reported event could not be conclusively determined.Since the serial number is unknown, the device history record could not be reviewed.However, omsc has only shipped devices that passed the inspection.In the literature, there is no description of the device's malfunction.
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