Background: Numerous therapeutic techniques for periorbital hyperpigmentation have been suggested.
Aim: In this comparative intrapatient study, the effectiveness of combination therapy included fractional Er: YAG laser and autologous platelet-rich plasma (PRP) compared to Er: YAG laser in periorbital hyperpigmentation treatment.
Patients/methods: Thirty-two patients were enrolled. The right periorbital sides of patients received combination of Er: YAG laser and autologous platelet-rich plasma (PRP) and the left side received Er: YAG laser (three sessions with 4 weeks' intervals). PRP was used in two ways included injection and topical. Patients were evaluated by biometric characteristics, patients, and physician assessments. Also, the patient's satisfaction was assessed and side effects were evaluated.
Results: The mexameter results showed that the melanin content in the right side of the periorbital of the patients was significantly decreased compared to left side. Also, significant increase was observed in the skin lightness of the right side in compare to left. The visioface results showed the decrease in the percent change of the color and wrinkle in both sides, but in the right side these changes were significantly more than left side. The patients and physician assessment confirmed the measured results.
Conclusion: Combination of Er: YAG laser and PRP is significantly effective for periorbital hyperpigmentation.
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http://dx.doi.org/10.1111/jocd.14036 | DOI Listing |
Nat Commun
January 2025
Department of Mechanical Engineering, Carnegie Mellon University, 5000 Forbes Ave, Pittsburgh, PA, USA.
Effective heat dissipation remains a grand challenge for energy-dense devices and systems. As heterogeneous integration becomes increasingly inevitable in electronics, thermal resistance at interfaces has emerged as a critical bottleneck for thermal management. However, existing thermal interface solutions are constrained by either high thermal resistance or poor reliability.
View Article and Find Full Text PDFWorld J Urol
January 2025
Urology Department, Cochin Hospital, Paris, 75000, France.
Introduction: This study aimed to evaluate the safety and efficacy of HoLEP in patients aged > 85 years with indwelling catheter (IDC).
Methods: We retrospectively analyzed our bicentric HoLEP database to identify consecutive patients with IDC and trial without catheter (TWOC) failure who underwent surgery between June 2012 and April 2020. Our primary focus was on the population over 85 years of age; Patients under 70 years of age were used as controls.
Ann Ital Chir
January 2025
Department of Urology, Anqing Municipal Hospital, 246003 Anqing, Anhui, China.
Aim: To evaluate the efficacy of flexible ureteroscopic lithotripsy (FURL) and extracorporeal shock wave lithotripsy (ESWL) in the treatment of ureteral calculi based on decision tree model.
Methods: A total of 600 patients with ureteral calculi, including 289 treated with FURL and 311 cases with ESWL in Anqing Municipal Hospital from June 2021 to August 2023, were selected as study subjects. Perioperative indicators and stone clearance rate of the two groups were compared, and the preoperative and postoperative (24 and 72 hours) changes of serum creatinine, cystatin C (Cys-C) and microalbumin were observed.
A 1645 nm end-pumped dual-channel Er:YAG vector laser that could generate two cylindrical vector (CV) beams simultaneously with different polarization orders is demonstrated. The laser is designed in a two-arm structure, wherein each arm places a q-plate (QP) to introduce intra-cavity spin-orbital angular momentum conversion, leading to the oscillation of two various CV modes in two arms, and finally output along two directions, respectively. The favorable experimental results illustrate high power stability and polarization mode purity.
View Article and Find Full Text PDFBMC Oral Health
January 2025
Conservative Dentistry Department, Faculty of Oral and Dental Medicine, Future University, Cairo, Egypt.
Background: This study aimed to assess the influence of different pretreatment protocols and antioxidants application on the shear bond strength (SBS) of universal adhesive to sound (SoD) and caries-induced dentin (CID).
Methods: One hundred and twenty posterior teeth had their occlusal enamel removed, then the specimens were divided into two main groups according to dentin substrates; SoD and CID, three subgroups according to pretreatments protocols control (no pretreatment), NaOCl-treated, and Er, Cr:YSGG-treated and two divisions according to antioxidant application (with and without sodium ascorbate (SA) application). All-Bond Universal (ABU) universal adhesives was applied in self-etch (SE) mode then resin composite discs were built.
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