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Exposed digits increase weight bearing and alter sub-bandage pressures in dogs with forelimb splints.
J Am Vet Med Assoc
January 2025
1Veterinary Medical Center, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN.
Objective: The goal of this study was to evaluate the difference in weight bearing in a toes-in splint versus a toes-out forelimb splint and to determine the difference in sub-bandage pressures between the groups. We hypothesized that (1) weight bearing would not be different between the 2 splints and that (2) sub-bandage pressures would be distributed higher on the distal digits in the toes-out splint and pressures would be more evenly distributed across the paw in the toes-in splint.
Methods: In this controlled crossover trial, a random forelimb of 10 healthy dogs was bandaged with a splint that left the digits exposed and again with a splint that encompassed the digits.
Digit Amputation Secondary to COVID-19-Induced Raynaud's Phenomenon.
Cureus
December 2024
Internal Medicine, Centro Hospitalar de Trás-os-Montes e Alto Douro, Vila Real, PRT.
Raynaud's phenomenon (RP) is characterized by episodic vasospasm of the small blood vessels, primarily affecting the fingers and toes. Management includes lifestyle modifications, pharmacological treatments, and in severe cases, surgical interventions. Here we report a case of an 80-year-old male patient with a history of hypertension, dyslipidemia, obesity, and atrial fibrillation who presented to the emergency department with edema, cyanosis, and intense pain in the fingers of both hands following a mild COVID-19 infection (no dyspnea or hypoxemia).
View Article and Find Full Text PDFVascular and Osteological Morphology of Expanded Digit Tips Suggests Specialization in the Wandering Salamander (Aneides vagrans).
J Morphol
January 2025
Department of Biology, Gonzaga University, Spokane, Washington, USA.
For over a century researchers have marveled at the square-shaped toe tips of several species of climbing salamanders (genus Aneides), speculating about the function of large blood sinuses therein. Wandering salamanders (Aneides vagrans) have been reported to exhibit exquisite locomotor control while climbing, jumping, and gliding high (88 m) within the redwood canopy; however, a detailed investigation of their digital vascular system has yet to be conducted. Here, we describe the vascular and osteological structure of, and blood circulation through, the distal regions of the toes of A.
View Article and Find Full Text PDFMultiple Free Flaps and Second Toe Transfer to Salvage Grasp Function in Bilateral Complete Degloved Hands.
Indian J Plast Surg
December 2024
Department of Plastic and Reconstructive Surgery, Nizam's Institute of Medical Sciences, Hyderabad, Telangana, India.
A 21-year-old male laborer sustained bilateral degloving injury of the hands with multiple digital amputations and devascularized digits. After X-rays, preliminary debridement was done, when digital amputations were completed, including index ray amputation on both sides. The next day, two anterolateral thigh (ALT) flaps and one second toe transfer were done to restore coverage in the palm and the web and reconstruct the lost thumb.
View Article and Find Full Text PDFTranscriptome analysis reveals the genetic basis underlying the formation and seasonal changes of nuptial pads in Rana chensinensis.
BMC Genomics
December 2024
Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, 152 Luoyulu, Hongshan District, Wuhan, 430079, China.
Background: Nuptial pads, a typical sexually dimorphic trait in anurans, are located on the first digit of the male forelimb in Rana chensinensis and exhibit morphological changes synchronized with breeding cycles. However, the genetic mechanisms underlying its formation and seasonal changes remain poorly understood.
Results: To identify genes and biological processes associated with the development and seasonal variations of nuptial pads, we conducted a comprehensive transcriptome analysis on nuptial pads and hind toe skin across both sexes at different breeding periods in R.
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