central retinal vein occlusion (crvo) is the third most common blinding vascular retinal disorder. as there is no proven treatment for crvo, we performed this study to evaluate the effectiveness of radial optic neurotomy (ron) on visual acuity in eyes with crvo. this study was designed as an interventional case series. pars plana vitrectomy with ron was performed in 18 eyes of 16 patients with ...

postpolypectomy bleeding and perforation are the major complications of colonoscopy. this report presents a rare case of colon obstruction immediately after colonoscopy. a 56-year-old man underwent colonoscopy because of 6 months lower abdominal pain. colonoscopy revealed diverticulosis and multiple small sessile polyps in sigmoid colon. biopsy samples were taken from the polyps and the procedu...

Introduction: Reduced quality of life in cardiac patients and their frequent hospitalizations in the coronary care units is regarded as a main challenge for such patients. Therefore, this study aimed to explore the effectiveness of healthy lifestyle promotion intervention on quality of life in patients with congestive heart failure via cognitive-behavioral procedure. Methods: In this randomi...

In this study, an efficient and green process for the synthesis of dihydropyrimidin-2(1H)-ones from aromatic benzaldehydes, ethyl acetoacetate and urea using Al-MCM-41 as heterogeneous catalyst and microreactor under solvent-free conditions has been developed. The advantages of this method are easy work-up procedure, regeneration of the catalyst, clean and neutral reaction conditions.