Publications by authors named "Mark Dayer"

Background: Atherosclerotic cardiovascular disease (ACVD) is worsened by chronic inflammatory diseases. Interleukin receptor antagonists (IL-RAs) and tumour necrosis factor-alpha (TNF) inhibitors have been studied to see if they can prevent cardiovascular events.

Objectives: The purpose of this study was to assess the clinical benefits and harms of IL-RAs and TNF inhibitors in the primary and secondary prevention of ACVD.

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This updated guidance is designed to help with implantation and follow-up with agreed standards of practice. The update includes new guidance on subcutaneous defibrillators, leadless pacemakers and conduction system pacing. It includes new guidance on considerations at the time of a potential box change and techniques to be considered to minimise the risk of infection.

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National Institute for Health and Care Excellence (NICE) guidelines are ambiguous over the need for patients at increased risk of infective endocarditis (IE) to receive antibiotic prophylaxis (AP) prior to invasive dental procedures (IDPs), and this has caused confusion for patients and dentists alike. Moreover, the current law on consent requires clinicians to ensure that patients are made aware of any material risk they might be exposed to by any proposed dental treatment and what can be done to ameliorate this risk, so that the patient can decide for themselves how they wish to proceed. The aim of this article is to provide dentists with the latest information on the IE-risk posed by IDPs to different patient populations (the general population and those defined as being at moderate or high risk of IE), and data on the effectiveness of AP in reducing the IE risk in these populations.

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In 2008, National Institute for Health and Care Excellence (NICE) guidelines recommended against the use of antibiotic prophylaxis (AP) before invasive dental procedures (IDPs) to prevent infective endocarditis (IE). They did so because of lack of AP efficacy evidence and adverse reaction concerns. Consequently, NICE concluded AP was not cost-effective and should not be recommended.

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This focused review highlights the latest issues in native valve infective endocarditis. Native valve disease moderately increases the risk of developing infective endocarditis. In 2023, new diagnostic criteria were published by the Duke-International Society of Cardiovascular Infectious Diseases group.

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Unlabelled: In 2023, the European Society of Cardiology (ESC) updated its infective endocarditis (IE) guidelines strongly endorsing antibiotic prophylaxis (AP) before invasive dental procedures (IDPs) for high-risk patients, elevating their recommendation to Class I. The American Heart Association (AHA) is aligned with this view and reaffirmed the need for AP to prevent IE in those at high-risk in its 2021 guidelines. In contrast, the UK's National Institute for Health and Care Excellence (NICE) recommends against routine AP use.

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There have been no published prospective randomized clinical trials that have: (1) established an association between invasive dental and nondental invasive procedures and risk of infective endocarditis; or (2) defined the efficacy and safety of antibiotic prophylaxis administered in the setting of invasive procedures in the prevention of infective endocarditis in high-risk patients. Moreover, previous observational studies that examined the association of nondental invasive procedures with the risk of infective endocarditis have been limited by inadequate sample size. They have typically focused on a few potential at-risk surgical and nonsurgical invasive procedures.

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Around 100 years ago, the first link between infective endocarditis (IE) and dental procedures was hypothesised; shortly after, physicians began to use antibiotics in an effort to reduce the risk of developing IE. Whether invasive dental procedures are linked to the development of IE, and antibiotic prophylaxis (AP) is effective, have since remained topics of controversy. This controversy, in large part, has been due to the lack of prospective randomised clinical trial data.

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Introduction: Patients with episodes of supraventricular tachycardia (SVT), a common heart arrhythmia, are often attended by ambulance services. International guidelines advocate treatment with the Valsalva manoeuvre (VM), but this simple physical treatment has a low success rate, with most patients requiring conveyance to hospital. The Valsalva Assist Device (VAD) is a simple device that might help practitioners and patients perform a more effective VM and reduce the need for patients to be taken to hospital.

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Objective: To assess the safety, efficacy, and patient acceptability of a pacemaker home monitoring (HM) service.

Methods: All patients receiving a new Biotronik (Biotronik, Berlin, Germany) pacemaker between March 2020 and February 2021 were contacted for participation. Participants were surveyed on their experience of pacemaker HM.

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Objective: Antibiotic prophylaxis is recommended before invasive dental procedures to prevent endocarditis in those at high risk, but supporting data are sparse. We therefore investigated any association between invasive dental procedures and endocarditis, and any antibiotic prophylaxis effect on endocarditis incidence.

Subjects And Methods: Cohort and case-crossover studies were performed on 1,678,190 Medicaid patients with linked medical, dental, and prescription data.

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To evaluate the timing, duration and incidence of bacteremia following invasive dental procedures (IDPs) or activities of daily living (ADL). Eight databases were searched for randomized (RCTs) and nonrandomized controlled trials (nRCTs) evaluating bacteremia before and after IDPs or ADL in healthy individuals. The risk of bias was assessed by RoB 2.

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Objective: Antibiotic prophylaxis has been recommended for patients at increased risk of infective endocarditis (IE) undergoing specific invasive procedures (IPs) despite a lack of data supporting its use. Therefore, antibiotic prophylaxis recommendations ceased in the mid-2000s for all but those at high IE risk undergoing invasive dental procedures. We aimed to quantify any association between IPs and IE.

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Background: Antibiotic prophylaxis (AP) before invasive dental procedures (IDPs) is recommended to prevent infective endocarditis (IE) in those at high IE risk, but there are sparse data supporting a link between IDPs and IE or AP efficacy in IE prevention.

Objectives: The purpose of this study was to investigate any association between IDPs and IE, and the effectiveness of AP in reducing this.

Methods: We performed a case-crossover analysis and cohort study of the association between IDPs and IE, and AP efficacy, in 7,951,972 U.

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Cardiac implantable electronic device (CIED)-related complications and infections typically lead to prolonged hospital stays and, very occasionally, death. A new CIED insertion protocol was implemented in a district general hospital. The primary objective of this study was to determine whether a significant reduction in complication and infection rates occurred after implementation of the new protocol.

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Background: Infective endocarditis is a heart infection with a first-year mortality rate of ≈ 30%. It has long been thought that infective endocarditis is causally associated with bloodstream seeding with oral bacteria in ≈ 40-45% of cases. This theorem led guideline committees to recommend that individuals at increased risk of infective endocarditis should receive antibiotic prophylaxis before undergoing invasive dental procedures.

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Background: The objective of this paper was to examine temporal changes of infective endocarditis (IE) incidence and epidemiology in North America.

Methods: A systematic review was conducted at Mayo Clinic, Rochester. Ovid EBM Reviews, Ovid Embase, Ovid Medline, Scopus, and Web of Science were searched for studies published between January 1, 2000, and May 31, 2020.

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Background: Chronic heart failure is a debilitating condition that accounts for an annual NHS spend of £2.3B. Low levels of endogenous coenzyme Q10 may exacerbate chronic heart failure.

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Aim: To provide a contemporary analysis of incidence trends of infective endocarditis (IE) with its changing epidemiology over the past two decades in Europe.

Methods: A systematic review was conducted at the Mayo Clinic, Rochester. Ovid EBM Reviews, Ovid Embase, Ovid Medline, Scopus and Web of Science were searched for studies published between 1 January 2000 and 30 November 2020.

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Background: In 2007, the American Heart Association recommended that antibiotic prophylaxis (AP) be restricted to those at high risk of developing complications due to infective endocarditis (IE) undergoing invasive dental procedures. The authors aimed to estimate the appropriateness of AP prescribing according to type of dental procedure performed in patients at high risk, moderate risk, or low or unknown risk of developing IE complications.

Methods: Eighty patients at high risk, 40 patients at moderate risk, and 40 patients at low or unknown risk of developing IE complications were randomly selected from patients with linked dental care, health care, and prescription benefits data in the IBM MarketScan Databases, one of the largest US health care convenience data samples.

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