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1.
Laryngoscope Investig Otolaryngol ; 8(5): 1337-1344, 2023 Oct.
Article in English | MEDLINE | ID: mdl-37899868

ABSTRACT

Objectives: Exoscopes represent a promising alternative to conventional binocular microscopes (OM) in otology offering potential advantages such as enhanced ergonomics and a more compact device design. While previous research has demonstrated the effectiveness of exoscopes in various surgical specialties, their objective assessment in the field of otology remains limited. Therefore, this investigation aims to assess task-based efficiency associated with exoscopes in the field of otology by use of simulated surgical models. Methods: A prospective cross-over study design was used to compare an OM to an exoscope in otolaryngology residents and medical students. Participants performed five tasks on 3D-printed ear models using both the exoscope and OM. Data collection included completion time, frequency of predefined errors, mental effort, and user experience. Subgroup analysis was performed based on level of experience. Results: Fourteen students and fifteen residents participated. Participants completed four of five tasks faster with the OM and there was no difference in number of errors committed. When separated by surgical experience, residents performed four of five tasks faster using the OM while students completed one of five tasks faster with the OM. Students committed more errors with the exoscope for one task with no difference in errors for residents. There was no difference in perceived difficulty performing tasks with either visualization system. Exit survey results showed more favorable opinions of the OM among residents and more favorable opinions of the exoscope among students. Conclusions: The exoscope permits successful performance in simulated otologic tasks. Task performance and user experience between operative microscopes and exoscopes differ based on level of surgical experience. Level of Evidence: 2.

2.
BMJ Case Rep ; 20172017 Dec 15.
Article in English | MEDLINE | ID: mdl-29248881

ABSTRACT

The benefit of intracoronary thrombolytics in ST-elevation myocardial infarction (STEMI) is not well established. Mainstays of STEMI management include intravenous thrombolytics, percutaneous coronary interventions and surgical revascularisation. However, in cases of STEMI secondary to coronary artery aneurysmal disease (CAAD), standard treatment options may not be suitable due to high thrombus burden, perioperative risk and factors unique to each patient. Thus, STEMI management in CAAD can represent a therapeutically challenging clinical scenario. Here, we describe a patient with severe three-vessel CAAD complicated by multivessel thrombosis and cardiogenic shock for whom traditional management options including placement of haemodynamic support devices were not feasible. As an alternative measure, the patient was treated with intracoronary thrombolysis with remarkable clinical stabilisation and angiographic resolution of thrombosis. He remains clinically stable several years later without recurrent events. This case serves to demonstrate the potential lifesaving benefit of intracoronary thrombolysis in complicated multivessel CAAD.


Subject(s)
Coronary Aneurysm/diagnosis , Coronary Thrombosis/diagnosis , Fibrinolytic Agents/therapeutic use , Shock, Cardiogenic/diagnosis , Aged , Chest Pain/etiology , Coronary Aneurysm/complications , Coronary Aneurysm/diagnostic imaging , Coronary Aneurysm/therapy , Coronary Angiography , Coronary Thrombosis/complications , Coronary Thrombosis/diagnostic imaging , Coronary Thrombosis/therapy , Diabetes Mellitus, Type 2 , Diagnosis, Differential , Fibrinolytic Agents/administration & dosage , Humans , Male , Percutaneous Coronary Intervention , Shock, Cardiogenic/complications , Shock, Cardiogenic/diagnostic imaging , Shock, Cardiogenic/therapy
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