Publications by authors named "Lowery A"

A prospective cohort study aimed to determine factors which influence the progression of chronic venous disease (CVD) in an attempt to aid in the early identification of those at patients who are likely to benefit from early intervention. A prospective cohort study of patients referred to tertiary vascular services with varicose veins over 7 years was conducted. The primary outcome measure was the rate of disease progression from time of referral to time of consultation.

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Cardiac biomarkers are a vital component within the first edition of the European Society of Cardiology guidelines in Cardio-Oncology. Specifically, they are mentioned in the definition of mild asymptomatic cancer therapy-related cardiac dysfunction, where left ventricular systolic function is ≥50 % with two outcomes; either a new decrease in global longitudinal strain >15 % from baseline and/or a new rise in cardiac biomarkers above the defined 99th percentile cut off values. Cardiac troponin is one such biomarker.

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Introduction: Mixed Arterial and Venous Leg Ulcers (MAVLU) are challenging. The optimal intervention sequence (artery-first vs vein first) is unclear. This review evaluates current evidence on surgical intervention sequencing.

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Adrenal gland-induced hypertension results from underlying adrenal gland disorders including Conn's syndrome, Cushing's syndrome, and Pheochromocytoma. These adrenal disorders are a risk for cardiovascular and renal morbidity and mortality. Clinically, treatment for adrenal gland-induced hypertension involves a pharmaceutical or surgical approach.

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Introduction: Invasive lobular carcinoma (ILC) contributes significantly to the global cancer burden and is the most common of the histological "special types" of breast cancer. ILC has unique features setting it apart from the more common invasive ductal carcinoma (IDC). Despite differences, treatment algorithms do not consider histological differences.

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Article Synopsis
  • The study aimed to determine how many core outcome set (COS) studies include harm or adverse event outcomes, analyze the differences between individual and pooled harm outcomes, and identify factors impacting their inclusion.
  • Out of 100 reviewed COS studies from January 2021 to January 2023, 65% incorporated at least one harm outcome, with individual harms more commonly included in studies for single treatments compared to those for multiple treatments.
  • About one-third of COS developers believe harm outcomes should always be included, while over half agree it depends on the specific scope and methodology of the COS development process.
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Purpose: In Ireland, over 3000 patients are diagnosed with breast cancer annually, and 1 in 9 Irish women will be diagnosed with breast cancer in their lifetime. There is evidence that female breast cancer survivors are more likely to die of cardiovascular disease than their age-matched counterparts. Specific services for cancer patients suffering from cancer therapy related cardiovascular toxicity have led to a higher incidence of safe anti-cancer treatment completion.

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Breast cancer is amongst the most common invasive cancers in adults. There are established relationships between anti-cancer treatments for breast cancer and cardiovascular side effects. In recent years, novel anti-cancer treatments have been established, as well as the availability of multi-modal cardiac imaging and the sophistication of treatment for cardiac disease.

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Cadherin family proteins play a central role in epithelial and endothelial cell-cell adhesion. The dynamic regulation of cell adhesion is achieved in part through endocytic membrane trafficking pathways that modulate cadherin cell surface levels. Here, we define the role for various MARCH family ubiquitin ligases in the regulation of cadherin degradation.

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Article Synopsis
  • Minimization of intra-operative opioid use can benefit patients, and one method studied is pre-emptive analgesia, which involves giving pain relief medication before surgery.
  • A study analyzed the effects of pre-emptive paracetamol on opioid consumption during surgery in 156 patients, comparing those who received paracetamol with those who did not.
  • Results indicated that pre-emptive paracetamol significantly reduced the need for various opioids and other analgesics, suggesting a multimodal pain management approach could be effective, though further research is needed to confirm these findings.
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Objective: Endovenous ablation has revolutionized treatment of varicose vein surgery but is associated with a risk of venous thromboembolism. There is no consensus regarding anticoagulation protocols for these patients. This network meta-analysis (NMA) aims to identify which anticoagulant is optimal in this cohort for clot prevention with minimal risk of adverse bleeding events.

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Background: Patients with cancer can expect to receive numerous invasive vascular access procedures for intravenous therapy and clinical diagnostics. Due to the increased incidence and prevalence of cancer globally there will be significantly more people who require first-line intravenous chemotherapy over the next ten years.

Methods: Our objective was to determine the types of evidence that exist for the vascular access device (VAD) type for the delivery of systemic anti-cancer therapy (SACT) in cancer patients.

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Microwave thermal ablation is an established therapeutic technique for treating malignant tissue in various organs. Its success greatly depends on the knowledge of dielectric properties of the targeted tissue and on how they change during the treatment. Innovation in lung navigation has recently increased the clinical interest in the transbronchial microwave ablation treatment of lung cancer.

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Optical equalization can be used for chromatic dispersion compensation in optical communication systems to improve the system performance; however, optical signal processing (OSP) is generally specifically designed for transmission channels, that is non-adaptive to dynamic transmission distortions compared with digital signal processing (DSP). In this contribution, we demonstrate optical equalization using a photonic integrated circuit (PIC) filter for chromatic dispersion compensation, with static and adaptive techniques: (a) the static optical equalizer is calibrated based on the known fiber dispersion and length, by using the fractional delay reference method; (b) the adaptive optical equalizer is updated iteratively to compensate transmission impairments based on a least-mean squares (LMS) algorithm. Experimental results show that both the static optical equalizer and the adaptive optical LMS equalizer can give an 18-dB Q-factor for a 14-Gbd QPSK signal transmitting over 30 km.

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Objective: Dental and mucosal injuries from laryngoscopy in the peri-operative period are common medico-legal complaints. This study investigated lawsuits arising from laryngoscopy.

Methods: Westlaw, a legal database containing trial records from across the USA, was retrospectively reviewed.

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Introduction: The extracellular matrix (ECM) has been heavily implicated in the development and progression of cancer. We have previously shown that Annexin A2 is integral in the migration and invasion of breast cancer cells and in the clinical progression of ER-negative breast cancer, processes which are highly influenced by the surrounding tumor microenvironment and ECM.

Methods: We investigated how modulations of the ECM may affect the role of Annexin A2 in MDA-MB-231 breast cancer cells using western blotting, immunofluorescent confocal microscopy and immuno-precipitation mass spectrometry techniques.

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Background: This review focuses on multimodality imaging of cardiotoxicity in cancer patients, with the aim of evaluating the effectiveness of different techniques in detecting and monitoring cardiac changes associated with cancer therapy.

Methods: Eight studies were included in the review, covering various imaging modalities such as cardiac magnetic resonance imaging, echocardiography, and multigated acquisition scanning.

Results: Cardiac magnetic resonance imaging emerged as the most definitive modality, offering real-time detection, comprehensive assessment of cardiac function, the ability to detect early myocardial changes, and superior detection of cardiotoxicity when compared to the other imaging modalities.

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Ultrasound Therapy for the Skin.

Facial Plast Surg Clin North Am

November 2023

Ultrasound energy is delivered to the dermal and subdermal tissue to induce thermal injury, leading to collagen remodeling and resulting in lifting and tightening of the skin. Ulthera and Sofwave are two Food and Drug Administration-approved systems that have demonstrated clinically significant results in providing eyebrow, submental, and neck lift and minimizing facial fine lines and wrinkles. Patient selection and management of expectations are important components to a successful treatment process.

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Introduction: Neoadjuvant therapy is an essential component of multimodality therapy for locally advanced breast adenocarcinoma (BC). Complete pathologic response (pCR) is a useful surrogate for long-term oncologic outcome.

Aim: To assess the association between clinicopathologic, molecular and immunological markers and treatment response to neoadjuvant therapy in BC.

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Cadherin family proteins play a central role in epithelial and endothelial cell-cell adhesion. The dynamic regulation of cell adhesion is achieved in part through endocytic membrane trafficking pathways that modulate cadherin cell surface levels. Here, we define the role for various MARCH family ubiquitin ligases in the regulation of cadherin degradation.

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Purpose: Prescribing NAC for breast cancer is a pragmatic treatment strategy for several reasons; however, certain patients suffer chemotherapy-induced toxicities. Unfortunately, identifying patients at risk of toxicity often proves challenging. MiRNAs are small non-coding RNA molecules which modulate genetic expression.

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Microwave thermal ablation is a promising emerging treatment for early-stage lung cancer. Applicator design optimisation and treatment planning rely on accurate knowledge of dielectric tissue properties. Limited dielectric data are available in the literature for human lung tissue and pulmonary tumours.

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Few studies to date have investigated the role of adipose derived stem cells (ADSCs) in patients with diabetic foot ulcers (DFU). We aimed to conduct a systematic search of the literature to explore the available evidence behind ADSCs application in patients with DFU to establish if it has any added benefit regarding healing rate and healing time in this cohort of patients. The PubMed and Embase databases were searched for eligible studies.

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Background: No randomised clinical trials (RCTs) have simultaneously compared the safety of open (OA), transperitoneal laparoscopic (TLA), posterior retroperitoneal (PRA), and robotic adrenalectomy (RA) for resecting adrenal tumours.

Aim: To evaluate outcomes for OA, TLA, PRA, and RA from RCTs.

Methods: A NMA was performed according to PRISMA-NMA guidelines.

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Introduction: Traditionally, sentinel lymph node biopsy (SLNB) was performed to inform adjuvant chemotherapy prescription and prognosis in breast cancer. Following RxPONDER, the OncotypeDX Recurrence Score (RS) guides adjuvant chemotherapy prescription for all postmenopausal patients with estrogen receptor positive, human epidermal growth factor receptor-2 negative (ER+/HER2-) breast cancer with 0 to 3 positive lymph nodes (0-3 + LN).

Aims: To establish the oncological safety of omitting SLNB in postmenopausal patients with ER+/HER2- breast cancer indicated to undergo SLNB and to evaluate the primary determinants of chemotherapy prescription for these patients.

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