The hair removal market is evolving rapidly. The goal has always been long-term epilation. Success is dependent on understanding hair biology and physiology and on knowledge of laser physics, skin optics, and tissue preservation with respect to these emerging laser technologies. These topics will be reviewed, as will specific categories of laser systems in the hair removal arena and the clinical aspects of laser hair removal today.

Laser hair removal: where are we now?

Plastic and Reconstructive Surgery

Hyponatremia is commonly encountered in the setting of heart failure, especially in decompensated, fluid-overloaded patients. The pathophysiology of hyponatremia in patients with heart failure is complex, including numerous mechanisms: increased activity of the sympathetic nervous system and the renin-angiotensin-aldosterone system, high levels of arginine vasopressin and diuretic use. Symptoms are usually mild but hyponatremic encephalopathy can occur if there is an acute decrease in serum sodium levels. It is crucial to differentiate between dilutional hyponatremia, where free water excretion should be promoted, and depletional hyponatremia, where administration of saline is needed. An inappropriate correction of hyponatremia may lead to osmotic demyelination syndrome which can cause severe neurological symptoms. Treatment options for hyponatremia in heart failure, such as water restriction or the use of hypertonic saline with loop diuretics, have limited efficacy. The aim of this review is to summarize the principal mechanisms involved in the occurrence of hyponatremia, to present the main guidelines for the treatment of hyponatremia, and to collect and analyze data from studies which target new treatment options, such as vaptans.

Management of Hyponatremia in Heart Failure: Practical Considerations.

Journal of Personalized Medicine

As a systemic autoimmune disease, rheumatoid arthritis (RA) usually causes damage not only to joints, but also to other tissues and organs including the heart, kidneys, lungs, digestive system, eyes, skin, and nervous system. Excessive complications are closely related to the prognosis of RA patients and even lead to increased mortality. This article summarizes the serious complications of RA, focusing on its incidence, pathogenesis, clinical features, and treatment methods, aiming to provide a reference for clinicians to better manage the complications of RA.

Systemic complications of rheumatoid arthritis: Focus on pathogenesis and treatment.

Frontiers in Immunology

The wide overlap between the syndromes of chronic kidney disease and chronic heart failure means that familiarity with the 2021 European Society of Cardiology guidelines is of importance to nephrologists. The common risk factors for the two syndromes together with the adverse cardiac structural remodelling associated with chronic kidney disease means that many kidney disease patients are breathlessness and fall within the heart failure phenotypes categorised in the guidelines. The management of heart failure is evolving rapidly leading to significant changes in the latest guideline iteration. The 2021 guideline has changed from the 2016 version firstly by an increased focus on identifying the three phenotypes of heart failure to guide appropriate evidence based management. Secondly a new and simplified treatment algorithm for heart failure with reduced ejection fraction involving the rapid sequential initiation and up-titration of 4 'pillars' of drug treatment-ACE inhibitors or angiotensin-neprilysin inhibitors, beta blockers, mineralocorticoid receptor antagonists and now, thanks to convincing trial data, sodium-glucose co-transporter-2 inhibitors. Thirdly, guidelines for device therapy have been changed with down-graded advice on indications for primary prevention implantable cardioverter defibrillator therapy for patients with non-ischaemic heart failure and for cardiac resynchronisation therapy with left bundle branch block and a QRS duration&#xa0;&lt;&#xa0;150&#xa0;ms. There are updated treatment plans for heart failure associated with non-cardiovascular co-morbidities including chronic kidney disease.

Management of heart failure in patients with kidney disease - updates from the 2021 ESC guidelines.

Nephrology, Dialysis, Transplantation

These practice guidelines are a modular update of the "Practice guidelines for preoperative fasting and the use of pharmacologic agents to reduce the risk of pulmonary aspiration: Application to healthy patients undergoing elective procedures." The guidance focuses on topics not addressed in the previous guideline: ingestion of carbohydrate-containing clear liquids with or without protein, chewing gum, and pediatric fasting duration.

2023 American Society of Anesthesiologists Practice Guidelines for Preoperative Fasting: Carbohydrate-containing Clear Liquids with or without Protein, Chewing Gum, and Pediatric Fasting Duration-A Modular Update of the 2017 American Society of Anesthesiologists Practice Guidelines for Preoperative Fasting.

Anesthesiology

Chronic kidney disease (CKD) has been a constant burden worldwide, with a prevalence of more than 10% of the population and with mortality reaching 1.2 million deaths and 35.8 million disability-adjusted life years (DALYs) in 2017, as it is claimed by the Global Burden of Diseases. Moreover, an increase in its prevalence is expected in the next years due to a rise in the number of people suffering from obesity, diabetes mellitus and hypertension. On the other hand, with cardiovascular morbidity and mortality showing a downward trend, maybe it is time to focus on CKD, to minimize the preventable risk factors involved in its progression toward end-stage kidney disease (ESKD) and to offer a better quality of life. Another major health burden is represented by infectious diseases, particularly urinary tract infections (UTIs), as it is considered that approximately 40-50% of women and 5% of men will have at least one episode during their lifetime. Additionally, CKD consists of a constellation of immunological and metabolical disturbances that lead to a greater risk of UTIs: increased apoptosis of lymphocytes, elevated levels of tumor necrosis factor &#x3b1; and interleukin 6, which lower the function of neutrophils and increased levels of uremic toxins like p-cresyl sulfate and indoxyl sulfate, which alter the adherence and migration of leukocytes to the sites of injury. Moreover, UTIs can lead to a more rapid decline of kidney function, especially in stages G3-G5 of CKD, with all the complications involved. Last, but not least, antibiotherapy is often complicated in this category of patients, as antibiotics can also negatively affect the kidneys. This review will try to focus on the particularities of the urinary microbiome, asymptomatic bacteriuria and UTIs and the subtle balance between the risks of them and the risks of antibiotherapy in the evolution of CKD.

Chronic Kidney Disease, Urinary Tract Infections and Antibiotic Nephrotoxicity: Are There Any Relationships?

Medicina

The Guidelines to the Practice of Anesthesia Revised Edition 2023 (the Guidelines) were prepared by the Canadian Anesthesiologists' Society (CAS), which reserves the right to determine their publication and distribution. The Guidelines are subject to revision and updated versions are published annually. The Guidelines to the Practice of Anesthesia Revised Edition 2023 supersede all previously published versions of this document. Although the CAS encourages Canadian anesthesiologists to adhere to its practice guidelines to ensure high-quality patient care, the CAS cannot guarantee any specific patient outcome. Anesthesiologists should exercise their own professional judgment in determining the proper course of action for any patient's circumstances. The CAS assumes no responsibility or liability for any error or omission arising from the use of any information contained in its Guidelines to the Practice of Anesthesia.

Guidelines to the Practice of Anesthesia: Revised Edition 2023.

Canadian Journal of Anaesthesia

Multiple myeloma (MM) is primarily a disease of elderly patients. Geriatric aspects in the context of MM have been poorly investigated until recently. Treatment outcomes for geriatric patients with MM are often compromised by comorbidities and an enhanced susceptibility to adverse events from therapy. Assessment of patient frailty has become more frequent and will be useful in the context of significant and continuous advances in therapy. The recent emergence of immunotherapy with CD38 monoclonal antibodies and upcoming immuno-oncology drugs, such as bispecific antibodies, will lead to additional therapeutic progress. The applicability of these new molecules to elderly and frail patients is a key clinical question. Here we present 2 patient cases derived from clinical practice. We review current frailty scores and standards of care for elderly newly diagnosed patients with MM, including frail subgroups, and discuss ways to tailor treatment as well as treatment perspectives in this population.

Laser hair removal: where are we now?

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