OBJECTIVES To assess the effect of microablative fractional CO2 laser (MFCO2-Laser) therapy on the vaginal microenvironment of postmenopausal women. METHODS Three laser therapies at monthly intervals were applied in postmenopausal women with moderate to severe symptoms of genitourinary syndrome of menopause, pH of vaginal fluid >4.5 and superficial epithelial cells on vaginal smear <5%. Vagin...

Background: Most data on laser resurfacing have come from studies of people with Fitzpatrick skin types 1 3; however, the world’s population is comprised mostly of Fitzpatrick skin types 4 6, which are more susceptible to post-inflammatory hyperpigmentation (PIH). Objective: For the purpose of expanding the expertise of plastic surgeons treating patients with darker skin types, this study exami...

Introduction: The aim of this study was to compare the functional outcomes of swallowing act detected by videofluoroscopy of two different techniques in the treatment of laryngeal carcinoma.   Materials and Methods: This study was conducted on 41 patients undergoing two supraglottic laryngectomy techniques. The research population was assigned into two groups of open and laser supraglottic lary...

Lasers with modulated parameters are arguably among the simplest and most accessible laser systems of interest for applications in science and engineering and for theoretical investigations. The intrinsic interest in practical applications and in the nonlinear dynamics of modulated lasers has spurred a wide range of studies after the remarkably influential work of Arecchi et al. [1] reporting t...

Carbon dioxide (CO2) laser surgery as a conservative tool plays a peculiar role in the management of head and neck cancer. Numerous patients who were candidates for transoral laryngeal microsurgery have forced us to eliminate frozen-section evaluation of surgical margins and use a magnified view of the larynx. The present study evaluated surgeon-judged negative margins with permanent microscopi...

Introduction: Mucous retention cysts are a subtype of intracordal vocal cysts that may occur spontaneously or may be associated with poor vocal hygiene, and which require optimal treatment. The objective of this study was to present a new laser-assisted microsurgery technique for treating intracordal mucous retention cysts and to describe the final outcomes.   Materials and Methods: In this pro...

Laser damage mitigation' is a process developed to prevent the growth of nanosecond laser-initiated damage sites under successive irradiation. It consists of re-fusing the damage area with a CO2 laser. In this paper we investigate the stress field created around mitigated sites which could have an influence on the efficiency of the process. A numerical model of CO2 laser interaction with fused ...

We propose to test for the possibility of accelerating an electron beam (utilizing the existing high-power CO2 laser and low emittance electron beam at Brookhaven Accelerator Test Facility) in vacuum to the current CO2 laser power limit. The latest vacuum laser acceleration results can be verified [1] by the schemes discussed here.