Publications by authors named "Jonathan Halim"

Article Synopsis
  • * In a trial with 858 patients, results showed no significant difference in major complications between those who continued anticoagulation (16.5% experienced primary outcomes) and those who interrupted it (14.8%).
  • * Continuation of anticoagulation led to higher incidences of major bleeding (31.1% vs. 21.3%), suggesting that interrupting anticoagulation is safer in this patient population undergoing TAVI.
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Unlabelled: The optimal treatment strategy for coronary bifurcation lesions by percutaneous coronary intervention (PCI) is complex and remains a subject of debate. Current guidelines advise a stepwise provisional approach with optional two-stent strategy. However, a two-stent strategy, both upfront and stepwise provisional, is technically demanding.

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About one-third of patients undergoing transcatheter aortic valve implantation (TAVI) use oral anticoagulants (OAC), mainly due to atrial fibrillation. General guidelines advise interrupting OAC in patients with a high risk of bleeding undergoing interventions. However, preliminary observational data suggest that the continuation of OAC during TAVI is safe and may reduce the risk of periprocedural thromboembolic events.

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Background: The Myval balloon-expandable (BE) valve has shown encouraging early clinical data in terms of safety and efficacy. Comparative data with other well-established contemporary valves are nonetheless still scarce. This study aims to compare the performance of the Myval BE valve with the Evolut self-expanding (SE) valve.

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Introduction And Objectives: No comparisons have been published yet regarding the newest iteration of balloon- and self-expandable transcatheter heart valves for the treatment of bicuspid aortic valve (BAV) stenosis.

Methods: Multicenter registry of consecutive patients with severe BAV stenosis treated with balloon-expandable transcatheter heart valves (Myval and SAPIEN 3 Ultra, S3U) or self-expanding Evolut PRO+(EP+). TriMatch analysis was carried out to minimize the impact of baseline differences.

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Objective: In TAVR, area sizing is used for balloon-expandable (BE) valves, whereas self-expanding valves are sized to annulus perimeter. For BE valves, this seems illogical: these frames force a circular shape even on an ellipsoid annulus. This can potentially lead to relative undersizing when area sizing is being applied.

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Background: Several studies have compared surface electrocardiographic changes following different self-expandable (SE) (Evolut (Medtronic, USA); Acurate (Boston Scientific, USA); Portico (Abbott, USA); and Allegra (NVT, Germany)) and balloon-expandable (BE) Sapien-3 (Edwards Lifesciences, USA) transcatheter heart valves. We aimed to compare these prosthesis with the novel Myval BE prosthesis (Meril Life, India).

Methods: Academic European registry of consecutive patients with severe aortic stenosis who received any of the 6 aforementioned valves.

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Objectives: We aimed to describe hemodynamic performance and clinical outcomes at 30-day follow-up of the balloon-expandable (BE) Myval transcatheter heart valve (THV) in low-risk patients.

Background: The results of the next-generation BE Myval THV in low-risk aortic stenosis (AS) patients are still unknown.

Methods: Retrospective registry performed in nine European centers including patients with low predicted operative mortality risk according to Society of thoracic surgeons (STS) and European system for cardiac operative risk evaluation (EuroSCORE-II) scores.

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Objectives: The balloon-expandable Sapien-3 valve demonstrated superior results in terms of residual aortic regurgitation when compared with self-expandable devices. We aimed to compare for the first-time early outcomes of Sapien-3 transcatheter heart valve (THV) with the balloon-expandable Myval device.

Methods: Consecutive real-world patients from nine European institutions with symptomatic severe aortic stenosis treated either with Sapien-3 or Myval THV devices after June 2018 were compared.

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Background/aim: Post-operative uveitis is the most common complication after cataract surgery in the UK. The study aims to evaluate the risk of post-operative uveitis in cataract surgery patients of different ethnicity in the presence and absence of co-morbidities as well as operative complications using multivariate analysis.

Methods: A retrospective case-control study of patients undergoing phacoemulsification cataract surgery between January 2018 to December 2019 at two hospital sites.

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Background: Embolization of a Watchman device in patients undergoing percutaneous left atrial appendage (LAA) closure is a rare complication. Retrieval of the device can be achieved percutaneously with a snaring technique or a bioptome.

Case Summary: We present an illustrative case of Watchman closure device embolization during an LAA closure attempt in a 77-year-old man.

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Background: Endoscopic suturectomy with postoperative helmeting (ESCH) has emerged as a successful treatment for craniosynostosis, initially in North America. We report early outcomes from the first cohort of ESCH patients treated in the United Kingdom (UK).

Methods: Retrospective cohort study with electronic chart review.

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Background: Laparoscopic skill acquisition involves a steep learning curve and laparoscopic suturing is an exceptionally challenging task. By improving the way feedback is given, trainees can learn these skills more effectively. This study aims to establish the most effective form of structured feedback on laparoscopic suturing skill acquisition in novices, by comparing the effects of expert verbal feedback, video review with expert feedback (video feedback), and video review with self-assessment.

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Endovascular baroreflex amplification is an alternative treatment strategy for patients with resistant hypertension. In endovascular baroreflex, the carotid baroreflex is activated by a MobiusHD device (MD) which has been implanted in the internal carotid artery. This review will discuss the MD technology and mechanism of action and promising results in the first-in-human prospective study involving the use of the MD in patients with resistant hypertension.

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Dengue is hyperendemic in Indonesia. In 2015, reported cases of dengue fever doubled those of 2014 in the Jambi municipality of Sumatra. We examined viral aetiology and its relationship with disease outcome in Jambi.

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