Publications by authors named "Timmy Wing-Kuk Au"

The shortage of organs for heart transplantation has created a need to explore the use of extended-criteria organs. We report the preliminary use of normothermic TransMedics Organ Care System-an ex vivo approach to preserve extended-criteria brain-dead donor hearts. This System maintains a normal temperature, provides continuous perfusion and oxygenation, reduces ischemic time, and enables additional viability assessment options.

View Article and Find Full Text PDF

Background And Objective: Although stage I non-small cell lung carcinoma (NSCLC) typically carries a good prognosis following complete resection, early disease recurrence can occur. An accurate survival prediction model would help refine a follow-up strategy and personalize future adjuvant therapy. We developed a post-operative prediction model based on readily available clinical information for patients with stage I adenocarcinoma.

View Article and Find Full Text PDF

The AtriClip device enables the safe and reproducible epicardial clipping of the left atrial appendage. Transapical off-pump beating heart mitral valve repair using NeoChord DS100 Artificial Chordae Delivery System has matured and become more standardized. We aim to evaluate the feasibility of combining NeoChord repair and left atrial appendage exclusion in a single procedure through the same minithoracotomy in patients with mitral valve prolapse and atrial fibrillation.

View Article and Find Full Text PDF

A 71-year-old lady with dextrocardia and pure aortic regurgitation was treated with transcatheter aortic valve replacement using the transapical J-valve system. Good clinical and echocardiographic results were demonstrated at one-year follow-up. Herewith we describe this simple, safe, and a minimally invasive aortic valve replacement option for this condition.

View Article and Find Full Text PDF

Inadvertent migration of Avalon-Elite cannula in patients receiving veno-venous extracorporeal membrane oxygenation (VV-ECMO) support is often difficult to manage. Cannula repositioning conventionally requires temporary discontinuation of the ECMO support which is often poorly tolerated in small infants with poor pulmonary reserve. We reported a case of a small infant weighing 3.

View Article and Find Full Text PDF

Paracorporeal continuous-flow ventricular assist devices designed for short-term support can also potentially provide long-term circulatory support as bridges to transplantation in children. We describe the long-term use of the CentriMag biventricular assist device with multiple pump changes in a 9-year-old boy with idiopathic-dilated cardiomyopathy. The initially implanted Berlin Heart EXCOR pumps were replaced by CentriMag due to thromboembolic complications.

View Article and Find Full Text PDF

We present a case to demonstrate the feasibility of transapical beating heart mitral valve repair in a patient with dextrocardia. This minimally invasive technique provides simple, safe and satisfactory mitral repair. The surgical technique, outcome and prognosis are not affected by the condition.

View Article and Find Full Text PDF

Severe persistent pulmonary hypertension in a newborn combined with transposition of great arteries increases the risk of early death before the arterial switch operation. We report the case of a newborn with transposition of great arteries and ventricular septal defect associated with severe pulmonary hypertension. Profound hypoxemia, despite successful balloon atrial septostomy and conventional supportive measures with mechanical ventilation, inhaled nitric oxide, and inotropes, led to the use of venovenous extracorporeal membrane oxygenation to rapidly stabilize the child preoperatively.

View Article and Find Full Text PDF
Article Synopsis
  • * Key findings indicate good overall survival rates at 1, 5, and 10 years (68%, 55%, and 42%) with the presence of preoperative oliguria and postoperative sepsis predicting higher 30-day mortality.
  • * The research highlights the importance of preoperative left ventricular function as a significant factor related to long-term survival after surgery.
View Article and Find Full Text PDF