نتایج جستجو برای: operative keratectasia
تعداد نتایج: 93005 فیلتر نتایج به سال:
Corneal ectasia is a serious vision-threatening complication of laser in situ keratomileusis (LASIK). It is associated with progressive corneal steepening, an increase in myopia and astigmatism, and decrease in uncorrected visual acuity. Before LASIK presence of risk factors (corneal thickness, refractive error, presence of clinical and subclinical corneal pathologies) should be studied so pati...
Introduction:Different types of prosthesis are available for stapes replacement. Because there has been no published report on the efficacy of the titanium soft-clip vs the fluoroplastic Causse loop Teflon piston, we compared short-term hearing results of both types of prosthesis in patients who underwent stapedotomy due to otosclerosis.Materials and Methods:A total of 57 ears were included in ...
today laser has a lot of usage in medicine and dentistry. in the field of dentistry, laser is used in soft tissue surgery, sterilization of canals (in root canal therapy) and in restorative dentistry laser is used for cavity preparation, caries removal, sealing the grooves (in preventive dentistry), etching enamel and dentin, composite polymerization and removal of tooth sensitivity. the use of...
PURPOSE To evaluate the refractive and aberrometric changes in corneas with post-LASIK keratectasia implanted with intracorneal ring segments (ICRS) during a 2-year follow-up. DESIGN Retrospective, consecutive case series. PARTICIPANTS Thirty-four eyes of 25 patients (age range, 20-59 years) with post-LASIK ectasia were included. Ectasia was diagnosed by slit-lamp appearance of corneal thin...
objective : double aortic arch (daa) is a rare congenital malformation. strategies for diagnosis and treatment are different. thoracoscopic treatment of daa is limited to case reports or little case series. we report a description of our diagnostic and therapeutic approach and evaluate outcomes. methods: we reviewed charts of infants with double aortic arch who were hospitalized in our departme...
The most common cardiovascular surgery in the world and Iran as well, is CABG. One of the most important post-operative complication of this operation, that increase morbidity and mortality, is peri-operative MI. Incidence of peri-operative MI in CABG operations is between 2.5 to 5.5%. In this study we determined the prevalence and incremental risk factors of peri-operative MI in 300 consequati...
Introduction & Objective: Post operative nausea and vomiting are more common in females and pregnant patients. Pregnancy induced changes increases the risk of nausea and vomiting and aspiration after general anesthesia. Promethazine a H1-receptor antagonist is a phenothiazine with prominent antiemetic property. This study was done to determine the effectiveness and side effects of promethazine ...
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