Results 71 to 80 of about 1,308 (114)

Proton‐Coupled Electron Transfer Processes in the Decarboxylative Synthesis of C‐4 Substituted Chroman‐2‐Ones

open access: yesAdvanced Synthesis &Catalysis, Volume 367, Issue 24, December 22, 2025.
This research presents a new mild photocatalytic method enables C‐4 alkylation of chroman‐2‐one derivatives with primary alkyl radicals. This radicals are generated via oxidative PCET process. Developed approach offers broad substrate scope, scalability under photo‐flow conditions, and mechanistic evidence supports a decarboxylation pathway under polar
Ewelina Kowalska   +4 more
wiley   +1 more source

Underwater Sonography of Leg Veins

open access: yesEJVES Short Reports, 2018
Objectives: Hydrostatic compression (HC) occurring during body immersion is considered beneficial for venous return from the lower limbs. No study has evaluated the effects of HC on the veins of the lower limbs using duplex ultrasound (DU).
Alberto Caggiati   +5 more
doaj   +1 more source

Varicose veins [PDF]

open access: yesNursing, 2015
Jennifer A, Heller, Natalie S, Evans
openaire   +4 more sources

Combined phlebectomy in androgenital form of varicosity veins of small pelvis

open access: yesАндрология и генитальная хирургия, 2019
The study objective is to demonstrate the effectiveness of combined phlebectomy of varicose veins of the penis and spermatic veins in the treatment of venous erectile dysfunction of the distal type in combination with varicocele as an androgenital ...
E. A. Povelitsa   +5 more
doaj   +1 more source

EVALUATION OF THE RESULTS OF PHLEBECTOMY WITHOUT LIGATION OF INCOMPETENT PERFORATING VEINS IN PRIMARY VARICOSE VEINS OF LOWER EXTREMITIES

open access: yesВестник хирургии имени И.И. Грекова, 2017
Current approach to operative treatment of varicose veins of lower extremities doesn’t suggest interventions on perforating veins due to the fact that they restore their function following surgery in majority of cases. The article presents the results of
R. E. Kalinin   +5 more
doaj   +1 more source

Causal role of immune cells in varicose veins: insights from a Mendelian randomization study

open access: yesScientific Reports
Immune factors play a pivotal role in the development of vascular diseases. However, research on the relationship between immune cells and the risk of varicose veins remains limited.
Qi-Feng Zhang, Qi-Li Liu
doaj   +1 more source

Varicose veins [PDF]

open access: yesCleveland Clinic Journal of Medicine
Noelle, Boctor, Paul, Aronowitz
  +6 more sources

Cold hypersensitivity in the lower extremities: an underappreciated symptom in patients with varicose veins

open access: yesOpen Heart
Background This study aimed to investigate the frequently overlooked symptoms of cold hypersensitivity and heavy legs related to varicose veins in a large sample of patients.Methods Data on 8782 adults aged 30–70 years without a history of cancer were ...
Disline Manli Tantoh   +5 more
doaj   +1 more source

Invasive Treatment of Lower Limb Varicose Veins - Comparison of Treatment Methods

open access: yesJournal of Education, Health and Sport
Introduction and objective: Varicose veins in the lower extremities are a clinical manifestation of chronic venous disease. The condition is highly prevalent, with incidence increasing with age.
Ewa Piekarska   +2 more
doaj   +1 more source

Histopathological Study of Varicose Veins with Special Emphasis on Masson Trichrome and Verhoeff’s van Gieson Stains

open access: yesNigerian Postgraduate Medical Journal
Background: Varicose veins are a common condition affecting millions of people worldwide. While they are often considered primarily a cosmetic issue, varicose veins can also lead to pain, swelling, and discomfort.
P. Roshan Parveen   +4 more
doaj   +1 more source

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