Methylene blue is a phenothiazine-related heterocyclic aromatic molecule presently used in the treatment of methemoglobinemia. Recently, it has been implicated in the treatment of severe refractory vasoplegic shock caused by anaphylaxis, sepsis, or postcardiopulmonary bypass. We present a case of a 27-year-old male with profound vasoplegic shock of unknown etiology which was refractory to vasop...

Pseudorabies virus was photoinactivated with a combination of methylene blue dye, light, and electricity. Viral suspensions were mixed with variable amounts of methylene blue dye and then were placed in a current source apparatus. Total inactivation of pseudorabies virus (1.7 X 10(6) 50% tissue culture infective doses per ml) was achieved with constant mixing, a methylene blue dye concentration...

results it was found that in all studied wavelengths with or without methylene blue (mb), the level of all studied enzymes decreased remarkably when compared to dark controls. it was observed that the synthesis level of sod, glutathione peroxidase gp, and glucose 6 phosphate dehydrogenase g-6-pd in e. coli decreased significantly in red light with respect to white, blue, and green light in seaw...

Purpose To investigate the sustained-attention and memory-enhancing neural correlates of the oral administration of methylene blue in the healthy human brain. Materials and Methods The institutional review board approved this prospective, HIPAA-compliant, randomized, double-blinded, placebo-controlled clinical trial, and all patients provided informed consent. Twenty-six subjects (age range, 22...

INTRODUCTION Fracture of the penis is a condition where excessive force applied to the long axis of the penis in the erect state results in rupture of the tunica albuginea of the corpus cavernosum. Surgical management can be confusing and time-consuming due to the concealment of the tear in organized blood and edematous tissue, necessitating extensive dissection in friable traumatized tissues, ...

Harvesting lymph nodes (LNs) after gastrectomy is essential for accurate staging. This trial evaluated the efficiency and quality of a conventional method and a methylene blue-assisted method in a randomized manner. The key eligibility criteria were as follows: (i) histologically proven adenocarcinoma of the stomach; (ii) clinical stage I-III; (iii) R0 resection planned by gastrectomy with D1+ ...

Hypotension in septic shock is a reflection of unregulated nitric oxide (NO) production and vascular smooth muscle guanylyl cyclase activation. We examined the effect of methylene blue on lipopolysaccharide (LPS)-induced shock in anesthetized rabbits. Shock was induced with 150 micrograms/kg LPS after measurement of mean arterial pressure, platelet cGMP, and total plasma NO (nitrogen monoxide+S...

Longitudinal cancer spread is very important for staging of resectability in bile duct cancer. We verified the difference in methylene blue staining properties between cancerous and noncancerous epithelia that are usually observed by cholangioscopy. We obtained 45 biopsy specimens from the common bile duct of 20 patients with bile duct disease using percutaneous transhepatic cholangioscopy (PTC...

,YIn a previous study (Sevag and Gots, 1948) on the effects of various drugs on the pneumococcal dehydrogenase systems it was found that, whereas acriflavine, atabrine, propamidine, and optochin could inhibit these systems, high concentrations of sulfonamides had no effect. Other investigators (Mellon aind Bambas, 1937; Brazda and Rice, 1942; Fox, 1942; Clifton and Loewinger, 1943) have reporte...

background and objective: there is a concern on safety of human fresh frozen plasma (ffp) as it is a source of some medicinal products. the possibility of transmission of blood-borne are reported often due to emerging viruses. there are some pathogen reduction technologies (prt) to inactivate viruses. methylene blue (mb) based method is one of them. the aim of this study was to examine new desi...