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Hyaluronic acid (HA) fillers are extensively utilized in aesthetic medicine due to their biocompatibility, reversibility, and effectiveness in enhancing skin hydration, volume, and overall appearance. These fillers are predominantly produced through microbial fermentation, followed by a critical cross-linking process that enhances their longevity by resisting enzymatic degradation. This review provides a thorough examination of the manufacturing processes that differentiate HA fillers, with particular attention to the distinctions between biphasic and monophasic variants. Unlike previous studies, this review emphasizes the specific cross-linking techniques and their substantial impact on the fillers’ rheological properties, such as elasticity and cohesiveness, which are crucial to their clinical performance and patient outcomes. Additionally, the review offers a comprehensive comparison of HA fillers with non-HA alternatives, including calcium hydroxylapatite, poly-l-lactic acid, and polymethyl methacrylate, highlighting the unique advantages and potential complications associated with each type. By presenting novel insights into the latest advancements and challenges in filler technology, this review aims to provide clinicians with a deeper understanding of filler properties, thereby guiding them in making informed decisions to optimize patient safety and aesthetic results.

As we were wrapping up our therapy session, I said, “I wanted to let you know that I will be going on vacation for a week at the end of the month. Can we move our usual appointment time slot to the following week?”

Introduction: Enlarged facial pores are a common cosmetic concern caused by excessive sebum production, visible hair shafts, and a reduction in skin elasticity, leading to a decrease in skin quality and overall appearance. Various treatment modalities have been explored to address this issue. This study focuses on the efficacy and safety of combining Onabotulinumtoxin A (OnaBoNT-A) and hyaluronic acid filler (HA filler) to target enlarged facial pores in Asians. Materials and Methods: This study aimed to compare the efficacy and safety of OnaBoNT-A monotherapy in combination with HA filler for the treatment of enlarged facial pores. This study was a prospective, randomized, single-blinded, split-face, controlled trial that enrolled 32 subjects with visibly enlarged pores on both cheeks. One side of the face received intradermal injections of OnaBoNT-A, while the other side received OnaBoNT-A in combination with intradermal hyaluronic acid filler injection. The outcomes were measured by pore volume, visual assessment, pain score, improvement score, and side effects at various time intervals up to 24 weeks. Results: This study investigated the effects of onaBoNT-A monotherapy or in combination with HA filler on facial pore size and skin roughness. The results showed that both sides exhibited a reduction in pore volume and skin roughness over time, but the side treated with onaBoNT-A monotherapy had a slightly better improvement than the combination side at the 6-month follow-up. Subjects with histories of facial oiliness were more likely to respond to onaBoNT-A monotherapy, while those without histories of facial oiliness were more likely to respond to the side treated with combined treatment. The most common adverse events were erythema, bruising, and edema, which were more frequent on the combination side. Additionally, 18 subjects (56.25%) experienced a palpable lump on the combination side, which resolved in most cases within a few months. Conclusion: BoNT-A and HA dermal filler had a role in reducing pore size. Nonetheless, individuals with enlarged pores who exhibited beneficial effects to botulinum toxin injection typically had a background of facial oiliness. Adverse incidents like dermal edema and palpable nodules were observed, underscoring the significance of meticulous patient selection and accurate injection technique.

Stat crystallized acute medicine-urgent, instinctive, and consequential. According to protocol, when invasive lines are manipulated patients need imaging, stat; when we suspect pneumonia, no matter how low our suspicion, a chest radiograph must be done stat so antibiotics are promptly given and a quality metric is met. There is no arguing with protocol. [...]stat the knell of calamity became stat the vanguard of compliance.

[...]I continue to find myself engaged in lively discussions with children in this situation, about their passions: researching how to care for kittens, hunting for cartoons of mermaids on the internet, and listening to their dreams of making it as a rock star.

When such stories emerge and spread without being tested scientifically they become medical myths, and we tend to hold on to them because they provide us with a sense of meaning and safety, just as myths may have done in antiquity.