Publications by authors named "Paul M Thein"

Background: Poor oral health is known to be associated with frailty in geriatric populations. Recent exposure to anticholinergic medications is responsible for features of poor oral health. Anticholinergic medications pose a cumulative risk for frailty.

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An abnormal left ventricular contractile reserve is often seen in patients undergoing stress echocardiogram and may indicate the presence of obstructive coronary artery disease. The techniques and indexes used to identify abnormal left ventricular contractile response and its prognostic value in the absence of known causes has not been well studied. To describe the characteristics and clinical outcomes associated with an abnormal left ventricular contractile response, we performed a systematic review that identified 27 eligible studies.

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Background: Poor nutritional status is a risk factor for the development of frailty. Likewise, oral health is independently associated with nutrition. The potential association between oral health and frailty in hospitalised elderly adults has, however, not previously been investigated.

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Background: Atrial fibrillation (AF) occurs frequently following cardiothoracic surgery and treatment decisions are informed by evidence-based clinical guidelines. Outside this setting there are few data to guide clinical management.

Aim: To describe the characteristics, management and outcomes of hospitalised adult patients with new-onset AF.

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Article Synopsis
  • Current guidelines recommend intensive lipid-lowering therapy for high-risk cardiovascular patients, and there's research suggesting that adding ezetimibe to statins may affect plaque changes, though results vary.
  • A systematic review of eight studies, involving 583 subjects, showed that combining ezetimibe with statins significantly reduced total atheroma volume and LDL cholesterol levels.
  • The study findings indicated a notable decrease in total atheroma volume and LDL-C, with ezetimibe proving to be an effective addition to statin therapy.
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Background: Evolocumab is an expensive proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitor which has been shown to significantly improve cardiovascular outcomes in high risk patients.

Methods: This is a case study describing a stepwise approach to "PCSK9 inhibitor non-response" in a patient with familial hypercholesterolaemia. There are a few described pathophysiological mechanisms for "PCSK9 inhibitor non-response" including homozygous LDL-C receptor-negative mutations and alteration in the binding site of PCSK9 inhibitors.

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Background: The benefits of physical activity and cardiovascular rehabilitation on the reduction of cardiovascular risk are well documented. Despite this, significant barriers and challenges remain in optimizing patient risk factors post acute coronary syndromes (ACS) and ensuring patient compliance. Consumer wearable personal activity trackers represent a cost effective and readily available technology that may aid in this endeavour.

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Background: Current epidemiological data suggests that postoperative atrial fibrillation or atrial flutter (POAF) causes significant morbidity and mortality after cardiac surgery. The literature for prophylactic management of POAF is limited, resulting in the lack of clear guidelines on management recommendations.

Aim: To examine the efficacy of prophylactic rate control agents in reducing the incidence of new-onset POAF in patients undergoing elective cardiac surgery.

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