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Featured researches published by Karen Lintern.


The Medical Journal of Australia | 2013

Acute coronary syndrome care across Australia and New Zealand: the SNAPSHOT ACS study.

Derek P. Chew; John K. French; Tom Briffa; Christopher J. Hammett; C. Ellis; Isuru Ranasinghe; B. Aliprandi-Costa; C. Astley; Fiona Turnbull; Jeffrey Lefkovits; Julie Redfern; Bridie Carr; Greg Gamble; Karen Lintern; Tegwen Howell; H. Parker; Rosanna Tavella; S. Bloomer; Karice Hyun; David Brieger

Objectives: To characterise management of suspected acute coronary syndrome (ACS) in Australia and New Zealand, and to assess the application of recommended therapies according to published guidelines.


Heart | 2014

Prescription of secondary prevention medications, lifestyle advice, and referral to rehabilitation among acute coronary syndrome inpatients: results from a large prospective audit in Australia and New Zealand

Julie Redfern; Karice Hyun; Derek P. Chew; C. Astley; Clara K. Chow; B. Aliprandi-Costa; Tegwen Howell; Bridie Carr; Karen Lintern; Isuru Ranasinghe; Kellie Nallaiah; Fiona Turnbull; Cate Ferry; C. Hammett; C. Ellis; John K. French; David Brieger; Tom Briffa

Objective To evaluate the proportion of patients hospitalised with acute coronary syndrome (ACS) in Australia and New Zealand who received optimal inpatient preventive care and to identify factors associated with preventive care. Methods All patients hospitalised bi-nationally with ACS were identified between 14–27 May 2012. Optimal in-hospital preventive care was defined as having received lifestyle advice, referral to rehabilitation, and prescription of secondary prevention pharmacotherapies. Multilevel multivariable logistic regression was used to determine factors associated with receipt of optimal preventive care. Results For the 2299 ACS survivors, mean (SD) age was 69 (13) years, 46% were referred to rehabilitation, 65% were discharged on sufficient preventive medications, and 27% received optimal preventive care. Diagnosis of ST elevation myocardial infarction (OR: 2.64 [95% CI: 1.88–3.71]; p<0.001) and non-ST elevation myocardial infarction (OR: 1.99 [95% CI: 1.52–2.61]; p<0.001) compared with a diagnosis of unstable angina, having a percutaneous coronary intervention (PCI) (OR: 4.71 [95% CI: 3.67–6.11]; p<0.001) or coronary bypass (OR: 2.10 [95% CI: 1.21–3.60]; p=0.011) during the admission or history of hypertension (OR:1.36 [95% CI: 1.06–1.75]; p=0.017) were associated with greater exposure to preventive care. Age over 70 years (OR:0.53 [95% CI: 0.35–0.79]; p=0.002) or admission to a private hospital (OR:0.59 [95% CI: 0.42–0.84]; p=0.003) were associated with lower exposure to preventive care. Conclusions Only one-quarter of ACS patients received optimal secondary prevention in-hospital. Patients with UA, who did not have PCI, were over 70 years or were admitted to a private hospital, were less likely to receive optimal care.


PLOS ONE | 2017

Oral health and cardiovascular care: Perceptions of people with cardiovascular disease

Paula Sanchez; Bronwyn Everett; Yenna Salamonson; Shilpi Ajwani; Sameer Bhole; Joshua Bishop; Karen Lintern; Samantha Nolan; R. Rajaratnam; Julie Redfern; Maria Sheehan; Fiona Skarligos; Lissa Spencer; Ravi Srinivas; Ajesh George

Main objective The aim of this study was to explore the perception of patients with cardiovascular disease towards oral health and the potential for cardiac care clinicians to promote oral health. Method A needs assessment was undertaken with twelve patients with cardiovascular disease attending cardiac rehabilitation between 2015 and 2016, in three metropolitan hospitals in Sydney, Australia. These patients participated in face-to-face semi-structured interviews. Data was analysed using thematic analysis. Results Results suggested that while oral health was considered relevant there was high prevalence of poor oral health among participants, especially those from socioeconomic disadvantaged background. Awareness regarding the importance of oral health care its impact on cardiovascular outcomes was poor among participants. Oral health issues were rarely discussed in the cardiac setting. Main barriers deterring participants from seeking oral health care included lack of awareness, high cost of dental care and difficulties in accessing the public dental service. Findings also revealed that participants were interested in receiving further information about oral health and suggested various mediums for information delivery. The concept of cardiac care clinicians, especially nurses providing education, assessment and referrals to ongoing dental care was well received by participants who felt the post-acute period was the most appropriate time to receive oral health care advice. The issues of oral health training for non-dental clinicians and how to address existing barriers were highlighted by participants. Relevance to clinical practice The lack of oral health education being provided to patients with cardiovascular disease offers an opportunity to improve care and potentially, outcomes. In view of the evidence linking poor oral health with cardiovascular disease, cardiac care clinicians, especially nurses, should be appropriately trained to promote oral health in their practice. Affordable and accessible dental care services for people with cardiovascular disease should be considered and offered by health services in Australia.


Journal of Cardiovascular Nursing | 2017

Is there inequity in hospital care among patients with acute coronary syndrome who are proficient and not proficient in English language? Analysis of the SNAPSHOT ACS study

Karice Hyun; Julie Redfern; Mark Woodward; Tom Briffa; Derek P. Chew; C. Ellis; John K. French; C. Astley; Greg Gamble; Kellie Nallaiah; Tegwen Howell; Karen Lintern; Robyn Clark; Kannikar Wechkunanukul; David Brieger

Background: The provision of equitable acute coronary syndrome (ACS) care in Australia and New Zealand requires an understanding of the sources of variation in the provision of this care. Objective: The aim of this study was to compare the variation in care and outcomes between ACS patients with limited English proficiency (LEP) and English proficiency (EP) admitted to Australian and NZ hospitals. Methods: Data were collected from 4387 suspected/confirmed ACS patients from 286 hospitals between May 14 and 27, 2012, who were followed for 18 months. We compared hospital care and outcomes according to the proficiency of English using logistic regressions. Results: The 294 LEP patients were older (70.9 vs 66.3 years; P < .001) and had higher prevalence of hypertension (71.1% vs 62.8%; P = .004), diabetes (40.5% vs 24.3%; P < .001), and renal impairment (16.3% vs 11.1%; P = .007) compared with the 4093 EP patients. Once in hospital, there was no difference in receipt of percutaneous coronary intervention (57.0% vs 55.4%; P = .78) or coronary artery bypass graft surgery (10.5% vs 11.5%; P = .98). After adjustment for medical history, there were no significant differences (P > .05) between the 2 groups in the risk of major adverse cardiovascular events and/or all-cause death during the index admission and from index admission to 18 months. Conclusions: These results suggest that LEP patients admitted to Australian or New Zealand hospitals with suspected ACS may not experience inequity in hospital care and outcomes.


Heart Lung and Circulation | 2017

Validation of the RETRIEVE (REverse TRIage EVEnts) Criteria for Same Day Return of Non-ST Elevation Acute Coronary Syndrome Patients to Referring Non-PCI Centres

S. Burgess; Vu Huynh Nguyen; J. Xu; Yoshio Hinde; Anoop Dharmadmajan; Xavier Brennan; Karen Owen; Karen Lintern; C. Juergens; S. Lo; K. Kadappu; John K. French; R. Rajaratnam

BACKGROUND There are continuing bed constraints in percutaneous coronary intervention centres (PCI) so efficient patient triage from referral hospitals is pivotal. To evaluate a strategy of PCI centre (PCIC) bed-sparing we examined return of patients to referral hospitals screened by the RETRIEVE (REverse TRIage EVEnts) criteria and validated its use as a tool for screening suitability for same day transfer of non-ST-elevation acute coronary syndrome (NSTEACS) patients post PCI to their referring non-PCI centre (NPCIC). METHODS From May 2008 to May 2011, 433 NSTEACS patients were prospectively screened for suitability for same day transfer back to the referring hospital at the completion of PCI. Of these patients, 212 were excluded from same day transfer using the RETRIEVE criteria and 221 patients met the RETRIEVE criteria and were transferred back to their NPCIC. RESULTS Over the study period, 218 patients (98.6%) had no major adverse events. The primary endpoint (death, arrhythmia, myocardial infarction, major bleeding event, cerebrovascular accident, major vascular site complication, or requirement for return to the PCIC) was seen in only three transferred patients (1.4%). CONCLUSIONS The RETRIEVE criteria can be used successfully to identify NSTEACS patients suitable for transfer back to NPCIC following PCI. Same day transfer to a NPCIC using the RETRIEVE criteria was associated with very low rates of major complications or repeat transfer and appears to be as safe as routine overnight observation in a PCIC.


Journal of the American College of Cardiology | 2016

TCT-162 The Glasgow 12-lead ECG analysis algorithm alone is not suitable for pre-hospital cardiac catheter laboratory activation for STEMI

Amir Faour; Oliver Gibbs; Callum Cherrett; Karen Lintern; C. Mussap; R. Rajaratnam; C. Juergens; John K. French

As the Glasgow 12-Lead ECG Algorithm (GA) has a reported high positive and negative predictive value for the pre-hospital diagnosis of STEMI, this has been proposed as the criteria for pre-hospital cardiac catheter laboratory (CCL) activation. We assessed the accuracy of the GA as a trigger for pre-


Internal Medicine Journal | 2015

Comparison of the management and in-hospital outcomes of acute coronary syndrome patients in Australia and New Zealand: results from the binational SNAPSHOT acute coronary syndrome 2012 audit.

C. Ellis; C. Hammett; Isuru Ranasinghe; John K. French; Tom Briffa; G. Devlin; J. Elliott; J. Lefkovitz; B. Aliprandi-Costa; C. Astley; Julie Redfern; Tegwen Howell; Bridie Carr; Karen Lintern; S. Bloomer; A. Farshid; P. Matsis; A. Hamer; Michael J.A. Williams; Richard W. Troughton; M. Horsfall; Karice Hyun; G. Gamble; Harvey D. White; David Brieger; Derek P. Chew


Global heart | 2014

PM318 Variation in care between English speaking and culturally and linguistically diverse patients in SNAPSHOT ACS

Karice Hyun; Julie Redfern; B. Aliprandi-Costa; John K. French; Greg Gamble; Karen Lintern; Tegwen Howell; Robyn Clark; Kannikar Wechkunanukul; David Brieger


Heart Lung and Circulation | 2017

The University of Glasgow ECG Analysis Algorithm is Not Specific for the Pre-hospital diagnosis of STEMI in Patients with Bundle Branch Block

A. Faour; C. Cherrett; O. Gibbs; Karen Lintern; R. Rajaratnam; C. Juergens; John K. French


Circulation | 2017

Abstract 16286: Factors Affecting Access to Oral Healthcare for Patients With Cardiovascular Disease in Australia

Paula Sanchez; Bronwyn Everett; Yenna Salamonson; Joshua Bishop; Karen Lintern; Samantha Nolan; R. Rajaratnam; Julie Redfern; Maria Sheehan; Fiona Skarligos; Lissa Spencer; Ajesh George

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Julie Redfern

The George Institute for Global Health

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C. Ellis

Auckland City Hospital

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Tom Briffa

University of Western Australia

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