نتایج جستجو برای: ablative materials
تعداد نتایج: 439565 فیلتر نتایج به سال:
BACKGROUND For people with localised prostate cancer, active treatments are effective but have significant side effects. Minimally invasive treatments that destroy (or ablate) either the entire gland or the part of the prostate with cancer may be as effective and cause less side effects at an acceptable cost. Such therapies include cryotherapy, high-intensity focused ultrasound (HIFU) and brach...
BACKGROUND Diverse thermal ablative therapies are currently in use for the treatment of cancer. Commonly applied with the intent to cure, these ablative therapies are providing promising success rates similar to and often exceeding "gold standard" approaches. Cancer-curing prospects may be enhanced by deeper understanding of thermal effects on cancer cells and the hosting tissue, including the ...
the desire to achieve cosmetic rejuvenation and reduce effects of aging and photodamage urged scientists to develop effectual techniques which have minimal side effects and impressive long-term efficacy. traditional ablative resurfacing laser therapy has been used for several years;however, it has harmful side effects on the patient’s skin such as dyspigmentation, persistent erythema, infection...
BACKGROUND Ablative radioiodine-131 ((131)I) therapy is used in the standart treatment procedure of thyroid carcinoma and procedures using (131)I represent the majority of Nuclear Medicine therapeutic procedures. The principal route of (131)I excretion after the administration of (131)I is the urine. Amifostine is an organic thiophosphate ester prodrug and the kidney concentrations of the activ...
BACKGROUND AND OBJECTIVES Ablative fractional resurfacing shows promise for skin resurfacing and tightening and also to improve treatment of epidermal and dermal pigmentary disorders. This study aimed at determining any correlation between epidermal ablation and effects on the dermis when using an Er:YAG laser in ablative fractional resurfacing mode. MATERIALS AND METHODS Ten female subjects ...
hands, and eyelids, among other areas. When used on the eyelids, patients notice a tightening of the skin and reduction in dark circles. This laser is a good choice for patients with skin types I to IV (Table 6-2) and those who would like more aggressive treatment with more significant results than nonfractional nonablative laser, but without the downtime required with ablative laser resurfacin...
BACKGROUND Epidermal permeability alterations induced by ablative fractional resurfacing and low-frequency ultrasound technology may offer drug delivery for the treatment of hypertrophic scars through transepidermal drug delivery (TED). This technology can improve treatment efficacy and minimize side effects. OBJECTIVE To evaluate clinical response and side effects of TED technology in hypert...
With the advent of modern, improved abdominal imaging techniques, the ratio of incidentally discovered renal tumors increased 50-60% [1]. For small renal masses (SRM), the options are surgical removal, ablative treatment, or active surveillance, depending on the tumor characteristics as well as patient status and preference [2-5]. Minimaly invasive ablative techniques, such as cryoor radio-freq...
An isoconversional modeling approach has been considered in the modeling of heat transfer and pyrolysis in a charring material. The isoconversional approach is appealing due to the use of only a single reacting component as opposed to the multicomponent model typically used. This reduces the number of required field variables which reduces numerical demands in large multi-dimensional models. In...
BACKGROUND The use of ablative laser treatments is steadily increasing. A side-effect is plume, which can potentially transmit infectious material. Insufficient plume removal may lead to transmission of infectious diseases. OBJECTIVE To introduce a newly developed circular suction technique for ablative interventions. MATERIALS AND METHODS The new plume removal system consists of a circular...
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