We report a case of a 60-year-old male patient admitted with progressive chest discomfort who was found to have six encapsulated tumors along the seventh intercostal space with a maximum tumor size of 3 x 2 x 1 cm.”
“This study describes the preparation of mucoadhesive alginate-chitosan beads containing theophylline intended for colon-specific delivery. The calcium alginate beads were coated with chitosan by the ionotropic hydrogelation method with a polyelectrolyte complex reaction between two oppositely charged polyions. The
release profiles of theophylline from the beads were determined by ultraviolet-visible absorption measurement at 272 nm. Scanning electron microscopy was used for morphology observation. The in vitro mucoadhesive tests for particles were carried out with the freshly excised jejunum https://www.selleckchem.com/products/gw-4064.html of Sprague-Dawley rats. The bead particles, which ranged in size from 200 to 400 mu m, exhibited excellent mucoadhesive properties. The results showed that the formulated coated beads succeeded in controlling the release of theophylline over a 24-h period. In conclusion, the release of theophylline was found to be dependent on the composition of the beads, the component polymer and its possible interactions, and the bioadhesiveness. (c) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 111: 2452-2459, 2009″
“Background:
Chronic Achilles tendinosis is, a common musculoskeletal disorder often refractory to conservative management. selleckchem Our study aimed to assess the safety and efficacy of the use of autologous skin-derived collagen-producing
cells in the treatment of refractory Achilles tendinosis.
Methods: We conducted a randomized, double-blind study on forty Achilles tendons in thirty-two patients (eight with bilateral involvement) who had a clinical and radiographic diagnosis of Achilles tendinosis. The patients ranged from twenty-two to sixty-seven years old and had a mean age of 45.2 years. The patients with unilateral involvement were randomized into the treatment group (twelve patients) and control group (twelve patients). The eight patients with bilateral involvement were selleck screening library individually randomized into treatment and control groups, with eight Achilles tendons in each group. Achilles tendons in the treatment group were injected under ultrasound guidance with laboratory-expanded, skin-derived fibroblasts suspended in autologous plasma. The control group received ultrasound-guided injection of a local anesthetic and physiotherapy. The Victorian Institute Of Sport Assessment (VISA) questionnaire and visual analog scale (VAS) scores were used as the main outcome measures for both groups.
Results: Significant differences in the mean VISA and VAS scores were detected between the treatment and the control groups for the patients with unilateral involvement at six months (p < 0.001 for both).