purpose: to compare success rates of external dacryocystorhinostomy (dcr) with and without bicanalicular silicone intubation for management of primary acquired nasolacrimal duct obstruction. methods: in a randomized clinical trial study, 52 patients with primary acquired nasolacrimal duct obstruction underwent external dcr. patients were randomly enrolled into two groups. in the 1st group, exte...

the possibility of abnormal avf was considered and it was confirmed on contrast-enhanced computed tomography (ct), inferring that this modality is not only fast and non-invasive, but also accurate in detecting vascular abnormalities. herein, we report a 42-year-old woman with congenital avf between the external carotid artery and external jugular vein, presenting with palpitation and dyspnea. t...

introduction: cleaner productions in textile industry is achieved by reducing water and chemicals’ consumption, saving energy, reducing production of air pollution and solid wastes, reducing toxicity and noise pollution through many solutions. the purpose of the present research was to apply strengths, weaknesses, opportunities, threats (swot) and quality systems planning matrix (qspm) techniqu...

results overall, ≥ 2 mm shortening of the radius was seen in 28% of the patients, 53% had 2 - 5 mm radial shortening and 19% of the patients had more than 5 mm shortening of the radius. most of the participants had acceptable outcomes. the mean angulation was 6.28 ± 2.85 degrees and the mean shortening was 3.92 ± 2.22. thirty-nine percent of the patients had an angulation of less than 5 mm, 56%...

mycotic aneurysm of external carotid artery is extremely rare. we herein report a case of external carotid artery (eca) aneurysm following severe traumatic brain injury. a 24-year-old man with severe traumatic brain injury (tbi) following a car accident was referred to rajaee trauma center emergency room affiliated to shiraz university of medical sciences in shiraz, iran. he underwent ventricul...

introduction: the survival of an implant system is affected by the choice of antirotational design, which can include an external or internal hex. implant success also is affected by the maintenance of the crestal bone around implants. the aim of present study was to evaluate the crestal bone loss and clinical parameters related to bone loss in patients loaded with an external or internal hex 3...