Olympus reviewed the literature article titled, "safety and feasibility of ultrathin probe transbronchial lung cryobiopsy without balloon blocker via robotic bronchoscopy in the evaluation of peripheral lung lesions: a retrospective pilot study" to date, there is controversy regarding unilateral versus bilateral stent placement in patients with malignant hilar biliary strictures (mhbss).The aim of this study was to compare the clinical outcomes and complications of unilateral and bilateral (stent-in-stent method) stent placements for these patients.Complications/number of patients bleeds 4.Pneumothorax 3.Three incidents of pneumothorax occurred.All required interventions.One was discharged on the same day without small-bore chest tube (sbct) after successful manual aspiration; one was discharged with sbct for ambulatory management; and one was hospitalized with sbct after failing manual aspiration.Both chest tubes were removed within 72 h.Four grade 2 bleeds occurred based on the nashville bleeding scale, meaning that one or more tools were required to control or prevent further bleeding, i.E.Suctioning >1 min required or repeat wedging of the bronchoscope for persistent bleeding or instillation of cold saline, diluted vasoactive substances or thrombin.This literature article requires 2 reports.The related patient identifiers are as follows: (b)(6) - um-s20-17s.(b)(6) - bf-mp190f.This medwatch report is for patient identifier c23311760.¿ there is no report of any olympus device malfunction in any procedure described in this study.¿.
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