Gemma Figtree

Prof. Dr. Gemma Figtree

The University of Sydney, Australia

Research Focus & Metrics

Academic Career Length

17Years (2010-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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31 July 2018 in Circulation
Verified
Journal Article
Open access
KRKarin Rådholm
Karin Rådholm
Gemma FigtreeGemma Figtree
Gemma Figtree
VPVlado Perkovic
Vlado Perkovic
SSScott D. Solomon
Scott D. Solomon
KMKenneth W. Mahaffey
Kenneth W. Mahaffey
Bruce NealBruce Neal
Bruce Neal
Background: Canagliflozin is a sodium glucose cotransporter 2 inhibitor that reduces the risk of cardiovascular events. We report the effects on heart failure (HF) and cardiovascular death overall, in those with and without a baseline history of HF, and in other participant subgroups. Methods: The CANVAS Program (Canagliflozin Cardiovascular Assessment Study) enrolled 10 142 participants with type 2 diabetes mellitus and high cardiovascular risk. Participants were randomly assigned to canagliflozin or placebo and followed for a mean of 188 weeks. The primary end point for these analyses was adjudicated cardiovascular death or hospitalized HF. Results: Participants with a history of HF at baseline (14.4%) were more frequently women, white, and hypertensive and had a history of prior cardiovascular disease (all P <0.001). Greater proportions of these patients were using therapies such as blockers of the renin angiotensin aldosterone system, diuretics, and β-blockers at baseline (all P 0.130), except for a possibly reduced absolute rate of events attributable to osmotic diuresis among those with a prior history of HF ( P =0.03). Conclusions: In patients with type 2 diabetes mellitus and an elevated risk of cardiovascular disease, canagliflozin reduced the risk of cardiovascular death or hospitalized HF across a broad range of different patient subgroups. Benefits may be greater in those with a history of HF at baseline. Clinical Trial Registration: URL: https://www.clinicaltrials.gov . Unique identifiers: NCT01032629 and NCT01989754.

1 March 2021 in The Lancet
Verified
Journal Article
Closed access
Gemma FigtreeGemma Figtree
Gemma Figtree
SVStephen T Vernon
Stephen T Vernon
NHNermin Hadziosmanovic
Nermin Hadziosmanovic
JSJohan Sundström
Johan Sundström
JAJoakim Alfredsson
Joakim Alfredsson
EHEmil Hagström
Emil Hagström

7 January 2025 in Circulation
Verified
Journal Article
Closed access
NCNicholas WS Chew
Nicholas WS Chew
AMAnurag Mehta
Anurag Mehta
RGRachel Sze Jen Goh
Rachel Sze Jen Goh
AZAudrey Zhang
Audrey Zhang
YCYiming Chen
Yiming Chen
LSLaurence Sperling
Laurence Sperling
There is a new awareness of the widespread nature of metabolic dysfunction–associated steatotic liver disease (MASLD) and its connection to cardiovascular disease (CVD). This has catalyzed collaboration between cardiologists, hepatologists, endocrinologists, and the wider multidisciplinary team to address the need for earlier identification of those with MASLD who are at increased risk for CVD. The overlap in the pathophysiologic processes and parallel prevalence of CVD, metabolic syndrome, and MASLD highlight the multisystem consequences of poor cardiovascular–liver–metabolic health. Metabolic dysfunction and associated insulin resistance, together with the predilection for ectopic fat deposition in the liver and surrounding tissues, are associated with elevated risk of endothelial dysfunction, systemic inflammatory response, and ectopic fat deposition in the epicardium. This complex pathophysiology can accelerate atherogenic dyslipidemia, atherogenesis, diastolic dysfunction, valvular calcification, and cardiac arrhythmias. Despite the mounting evidence of mechanistic pathways underpinning MASLD and CVD, current recommendations have not clearly focused upon MASLD as a risk factor or target for intervention in CVD. We have brought together a diverse range of international experts committed to promoting cardiovascular–liver–metabolic health and related outcomes across the globe. The overarching goal of this document is to offer a construct for clinicians in the cardiovascular field with regards to (1) diagnosis and screening of MASLD through the use of noninvasive serum and imaging tests; (2) screening for CVD in all individuals with MASLD regardless of established atherosclerotic risk factors; and (3) the approach to management of MASLD with respect to prevention of CVD through lifestyle, as well as pharmacologic and surgical strategies. To achieve this, the modified Delphi method was applied and a series of evidence-based quality standard recommendations have been identified.

5 November 2019 in Journal of the American Heart Association
Verified
Journal Article
Open access
PDF file
SVStephen T. Vernon
Stephen T. Vernon
SCSean Coffey
Sean Coffey
MDMario D'SOuza
Mario D'SOuza
CCClara K. Chow
Clara K. Chow
JKJens Kilian
Jens Kilian
Gemma FigtreeGemma Figtree
Gemma Figtree
Background: Programs targeting the standard modifiable cardiovascular risk factors (SMuRFs: hypertension, diabetes mellitus, hypercholesterolemia, smoking) are critical to tackling coronary heart disease at a community level. However, myocardial infarction in SMuRF‐less individuals is not uncommon. This study uses 2 sequential large, multicenter registries to examine the proportion and outcomes of SMuRF‐less ST‐segment–elevation myocardial infarction (STEMI) patients. Methods and Results: We identified 3081 STEMI patients without a prior history of cardiovascular disease in the Australian GRACE (Global Registry of Acute Coronary Events) and CONCORDANCE (Cooperative National Registry of Acute Coronary Syndrome Care) registries, encompassing 42 hospitals, between 1999 and 2017. We examined the proportion that were SMuRF‐less as well as outcomes. The primary outcome was in‐hospital mortality, and the secondary outcome was major adverse cardiovascular events (death, myocardial infarction, or heart failure, during the index admission). Multivariate regression models were used to identify predictors of major adverse cardiovascular events. Of STEMI patients without a prior history of cardiovascular disease 19% also had no history of SMuRFs. This proportion increased from 14% to 23% during the study period ( P =0.0067). SMuRF‐less individuals had a higher in‐hospital mortality rate than individuals with 1 or more SMuRFs. There were no clinically significant differences in major adverse cardiovascular events at 6 months between the 2 groups. Conclusions: A substantial and increasing proportion of STEMI presentations occur independently of SMuRFs. Discovery of new markers and mechanisms of disease beyond standard risk factors may facilitate novel preventative strategies. Studies to assess longer‐term outcomes of SMuRF‐less STEMI patients are warranted.

13 July 2017 in European Journal of Preventive Cardiology
Verified
Journal Article
Closed access
SVStephen T Vernon
Stephen T Vernon
SCSean Coffey
Sean Coffey
RBRavinay Bhindi
Ravinay Bhindi
SHSoon Yeng Soo Hoo
Soon Yeng Soo Hoo
GNGregory I Nelson
Gregory I Nelson
Gemma FigtreeGemma Figtree
Gemma Figtree
Identification and management of the Standard Modifiable Cardiovascular Risk Factors (SMuRFs; hypercholesterolaemia, hypertension, diabetes and smoking) has substantially improved cardiovascular disease outcomes. However, cardiovascular disease remains the leading cause of death worldwide. Suspecting an evolving pattern of risk factor profiles in the ST elevation myocardial infarction (STEMI) population with the improvements in primary care, we hypothesized that the proportion of ‘SMuRFless’ STEMI patients may have increased. We performed a single centre retrospective study of consecutive STEMI patients presenting from January 2006 to December 2014. Over the study period 132/695 (25%) STEMI patients had 0 SMuRFs, a proportion that did not significantly change with age, gender or family history. The proportion of STEMI patients who were SMuRFless in 2006 was 11%, which increased to 27% by 2014 (odds ratio 1.12 per year, 95% confidence interval: 1.04–1.22). The proportion of patients with hypercholesterolaemia decreased (odds ratio 0.92, 95% confidence interval 0.86–0.98), as did the proportion of current smokers (odds ratio 0.93, 95% confidence interval 0.86–0.99), with no significant change in the proportion of patients with diabetes and hypertension. SMuRF status was not associated with extent of coronary disease; in-hospital outcomes, or discharge prescribing patterns. The proportion of STEMI patients with STEMI poorly explained by SMuRFs is high, and is significantly increasing. This highlights the need for bold approaches to discover new mechanisms and markers for early identification of these patients, as well as to understand the outcomes and develop new targeted therapies.

21 May 2024 in Circulation
Verified
Journal Article
Open access
AHAdrian F. Hernandez
Adrian F. Hernandez
JUJacob A. Udell
Jacob A. Udell
WJW. Schuyler Jones
W. Schuyler Jones
Stefan D. AnkerStefan D. Anker
Stefan D. Anker
MPMark C. Petrie
Mark C. Petrie
JBJaved Butler
Javed Butler
BACKGROUND: Empagliflozin reduces the risk of heart failure (HF) events in patients with type 2 diabetes at high cardiovascular risk, chronic kidney disease, or prevalent HF irrespective of ejection fraction. Whereas the EMPACT-MI trial (Effect of Empagliflozin on Hospitalization for Heart Failure and Mortality in Patients With Acute Myocardial Infarction) showed that empagliflozin does not reduce the risk of the composite of hospitalization for HF and all-cause death, the effect of empagliflozin on first and recurrent HF events after myocardial infarction is unknown. METHODS: EMPACT-MI was a double-blind, randomized, placebo-controlled, event-driven trial that randomized 6522 patients hospitalized for acute myocardial infarction at risk for HF on the basis of newly developed left ventricular ejection fraction of <45% or signs or symptoms of congestion to receive empagliflozin 10 mg daily or placebo within 14 days of admission. In prespecified secondary analyses, treatment groups were analyzed for HF outcomes. RESULTS: Over a median follow-up of 17.9 months, the risk for first HF hospitalization and total HF hospitalizations was significantly lower in the empagliflozin compared with the placebo group (118 [3.6%] versus 153 [4.7%] patients with events; hazard ratio, 0.77 [95% CI, 0.60, 0.98]; P =0.031, for first HF hospitalization; 148 versus 207 events; rate ratio, 0.67 [95% CI, 0.51, 0.89]; P =0.006, for total HF hospitalizations). Subgroup analysis showed consistency of empagliflozin benefit across clinically relevant patient subgroups for first and total HF hospitalizations. The need for new use of diuretics, renin-angiotensin modulators, or mineralocorticoid receptor antagonists after discharge was less in patients randomized to empagliflozin versus placebo (all P <0.05). CONCLUSIONS: Empagliflozin reduced the risk of HF in patients with left ventricular dysfunction or congestion after acute myocardial infarction. REGISTRATION: URL: https://www.clinicaltrials.gov ; Unique identifier: NCT04509674.