Option Approach
Mostrando 1-12 de 247 artigos, teses e dissertações.
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1. Operating Model and Estimation of the Insurance Premium for an Energy Futures Clearing House in Brazil
Abstract Purpose We propose and analyze a new operating model for an energy futures exchange that could be implemented in Brazil, where there is low liquidity for these contracts. The clearing house temporarily assumes the position of customers who fail to answer the margin call, instead of closing the position, as would normally be done under normal condit
Revista Brasileira de Gestão de Negócios. Publicado em: 2023
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2. Stock options: do they influence dividend payments?
Abstract Purpose This study aims to investigate whether there is any influence of the option plan to purchase shares protected from dividends to determine the distribution of dividends in Brazilian companies. Design/methodology/approach The authors used a Tobit dynamic and regressive regression model because their sample has an index higher than 30% of com
RAUSP Management Journal. Publicado em: 2022
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3. Giant Colonic Diverticulitis, an Extremely Rare Presentation of a Rare Disease — Clinical Presentation and Literature Review
ABSTRACT Introduction Giant colonic diverticulum (GCD) is rare phenomenon, with less than 200 cases described in the literature. One of the complications of GCD is diverticulitis. To date, there is paucity of data addressing the diagnosis and management of GCD complicated by acute diverticulitis. Objective To better understand the diagnostic tools, the ini
Journal of Coloproctology (Rio de Janeiro). Publicado em: 2022
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4. Sebaceous nevus of Jadassohn: review and clinical-surgical approach
Abstract Background: Nevus sebaceous of Jadassohn is defined as a rare congenital malformation characterized as a non-hereditary hamartoma of the adnexal structures of the skin. Its etiology is not yet well understood, but it is believed to be related to post-zygotic mutations in the HRAS, NRAS and KRAS genes. Objective: To describe the clinical manifestat
Anais Brasileiros de Dermatologia. Publicado em: 2022
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5. High-frequency devices effect in vitro: promissing approach in the treatment of acne vulgaris?
Abstract Background: Acne vulgaris is an inflammatory skin disorder leading to an impairment of quality of life and is therefore not only a cosmetic issue. Its pathogenesis is multifactorial - of particular importance is the colonization with the bacterium Propionibacterium acnes. A wide range of different treatment options exists including topical and syst
Anais Brasileiros de Dermatologia. Publicado em: 2022
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6. High uterosacral ligament hysteropexy for the management of pelvic organ prolapse
ABSTRACT Objective: To demonstrate our transvaginal high uterosacral ligament (HUL) hysteropexy technique as an alternative mesh-free uterine-preserving pelvic organ prolapse (POP) repair approach and present our institutional outcomes. Concurrent hysterectomy with POP repair is controversial as uterine-preserving techniques may beneficially allow fertility
Int. braz j urol.. Publicado em: 2021-08
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7. Three-dimensional printing models of horseshoe kidney and duplicated pelvicalyceal collecting system for flexible ureteroscopy training: a pilot study
ABSTRACT Objective: To demonstrate our transvaginal high uterosacral ligament (HUL) hysteropexy technique as an alternative mesh-free uterine-preserving pelvic organ prolapse (POP) repair approach and present our institutional outcomes. Concurrent hysterectomy with POP repair is controversial as uterine-preserving techniques may beneficially allow fertility
Int. braz j urol.. Publicado em: 2021-08
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8. Role of salvage lymph node dissection in patients previously treated for prostate cancer: systematic review
ABSTRACT Prostate cancer is the most common invasive cancer in men. Radical prostatectomy (RP) is a definitive treatment option, but biochemical recurrence can reach 40%. Salvage lymphadenectomy is a relatively recent approach to oligometasis and has been rapidly diffused primarily due to improvement in imaging diagnosis and results showing possibly promisin
Int. braz j urol.. Publicado em: 2021-06
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9. Development and Evaluation of Portal do Zumbido: A Novel Telehealth Approach to Tinnitus
Abstract Introduction Tinnitus is a prevalent symptom in audiological clinics, and the speech therapist participates in the assessment, diagnosis, and intervention of tinnitus. A range of studies have been developed with the aim to promote auditory health, and telehealth is an option for this purpose. Objective The aim of the present study was to develop a
Int. Arch. Otorhinolaryngol.. Publicado em: 2021-04
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10. Conversion of vesicostomy into continent catheterizable reservoirs in myelomeningocele
ABSTRACT Introduction: Vesicostomy should be considered in children with neuropathic bladder in case first-line therapies fail. This simple and reversible procedure can reduce febrile urinary tract infections and protect the upper urinary tract (1) until more definitive alternatives can be proposed. We describe in this video how we approach patients that un
Int. braz j urol.. Publicado em: 2021-03
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11. Basal cell carcinoma with compromised margins: retrospective study of management, evolution, and prognosis,
Abstract Background: Non-melanoma skin cancer is the most common type of malignancy in the Western world, and surgical excision is the preferred approach. The approach adopted in the face of incomplete excisions of basal cell carcinoma is still controversial. Objectives: To compare the number of tumor recurrences after treatment for incompletely excised ba
An. Bras. Dermatol.. Publicado em: 2021-02
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12. Functional Results of Transverse Extended Incision in Cervical Neck Dissection
Abstract Introduction Multiple incisions have been described for the surgical approach of cervical neck nodes. All of these descriptions are associated with better or worse exposure of the surgical field as well as with different functional and aesthetic results, which are not always satisfactory. Objective Compare the transverse cervical incision with the
Int. Arch. Otorhinolaryngol.. Publicado em: 2021-01