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Gettig an 'Aha!' with Different Types of Hints
Sum Kwing Cheung,Yik Ching Kong,Yuk Lam Li,Wai Yin Wong,Catherine McBride-Chang 대한사고개발학회 2005 The International Journal of Creativity & Problem Vol.15 No.1
Several theories have proposed that changing representations of insight problems could help overcome mental blocks. Constraint relaxation is one of the effects brought about by hints. This study aimed at investigating the effects of different hints in changing problem representations. ‘SHOULD’ hints were hypothesized to lead participants to the correct path while ‘SHOULD NOT’ hints were hypothesized to eliminate one of the possible paths. Results showed that ‘SHOULD’ hints facilitated insight problem solving by increasing the speed and the number of correct answers given. This study points to the importance of thinking from a different perspective when faced with mental blocks.
Yue Yan Katherine Fan,Ka Lam Wong,Ka Lai Cally Ho,Tai Leung Daniel Chan,Oswald Joseph Lee,Chi Yui Yung,Kin Shing Lun,Mo Chee Elaine Chau,Shui Wah Clement Chiu,Lik Cheung Cheng,Wing Kuk Timmy Au 대한이식학회 2022 Korean Journal of Transplantation Vol.36 No.4
Background: The year 2022 marks the 30th anniversary of heart transplant service in Hong Kong (HK). In this study, we describe prevailing trends and outcomes of advanced heart failure (AHF), including heart transplantations (HTx), in HK over the past 30 years. Methods: Trends in heart failure prevalence in HK from 1993 to 2021 were analyzed based on data from the Hospital Authority Clinical Data and Reporting System. All AHF patients referred for HTx consideration between 1992 and 2021 were reviewed. The bridge-to-transplant (BTT) utilization of short-term mechanical circulatory support (ST-MCS) devices, including venoarterial extracorporeal membrane oxygenation (VA-ECMO) and durable left ventricular assist devices (LVADs), from 2010 to 2021 was reviewed. Results: Overall, 237 heart transplants were performed in HK, with 10-year posttransplant and median survival of 68.1% and 18.7 years, respectively. An increase in AHF clinic referrals was correlated with increasing heart failure prevalence (R2=0.635, P<0.001). In total, 146 referrals were made for ST-MCS, and an observed increase in ST-MCS referrals was correlated with increasing VA-ECMO utilization (R2=0.849, P<0.001). Among 62 patients accepted for AHF therapy, those with durable LVAD implementation had better 1-year survival (71.5%) than those receiving an extracorporeal CentriMag (Levitronix) device as BTT (40%, P=0.008). In total, 143 LVADs were implanted, with 130 as BTT or bridge-to-candidacy (BTC) methods. The survival rate among the 130 BTT/BTC LVAD patients resembled that of HTx recipients (73.8% vs. 69.8% at 9 years, P=0.296). Conclusions: The burden of AHF management has increased and gained complexity over the past 30 years in Hong Kong.