نتایج جستجو برای: encircling band
تعداد نتایج: 135274 فیلتر نتایج به سال:
A 63-year-old man was referred to our outpatient clinic with atypical chest discomfort. The patient had had known rheumatoid arthritis for >30 years. Because of recurrent pleural effusions, the patient had right-sided pleural decorti-cation performed 25 years ago. Twelve years ago, the patient presented with chest pain not related to exertional activity but relieved by sublingual nitroglycerin....
The method is used to register the laryngeal behavior indirectly by measuring change in the electrical impedance across the throat during speech or voice. In this Electroglottography (EGG) signal acquisition, the electrodes are made of steel. They have the form of rectangles covering an area of 10.75 cm 2 . It is designed as a ring electrode encircling each of the two other electrodes. The elec...
Purpose: To compare the results of pars plana vitrectomy (PPV) with and without an encircling scleral band (SB) for the repair of primary rhegmatogenous retinal detachment (RRD). Methods: We reviewed the records of 49 patients who underwent PPV and combined vitrectomy plus SB for primary RRD. The minimum follow-up time was 6 months. There were 25 eyes in the PPV group and 24 eyes in the PPV plu...
PURPOSE Sequential drainage of subretinal fluid (D), injection of air (A), cryotherapy (C), and application of local explants (E) (D-ACE) sequence was introduced in order to overcome the problems encountered in managing superior bullous detachments from multiple large equatorial breaks. The authors recently observed the occurrence of a full-thickness macular hole in one patient developing the d...
We present K band adaptive optics observations of three high-redshift (z ∼ 2.2) high-luminosity quasars, all of which were studied for the first time. We also observed several point spread function (PSF) calibrators, non-simultaneously because of the small field of view. The significant temporal PSF variations on timescales of minutes inhibited a straightforward scaled PSF removal from the quas...
PURPOSE To report a case of anterior segment ischemia (ASI) with rubeosis iridis after circular buckling surgery in a highly-myopic patient which was successfully treated with a second intravitreal bevacizumab injection. METHODS Case report and review of the literature. DISCUSSION ASI is a rare but potentially serious complication of posterior segment surgery. Finally it leads to neovascula...
We report on low-temperature transport and electronic band structure of p-type Sb2Te3 nanowires, grown by chemical vapor deposition. Magnetoresistance measurements unravel quantum interference phenomena, which depend on the cross-sectional dimensions of the nanowires. The observation of periodic Aharonov-Bohm-type oscillations is attributed to transport in topologically protected surface states...
PURPOSE To evaluate the outcome after buckle removal in a consecutive series of treated detachments. METHODS Segmental and/or encircling buckles were removed in 46 consecutive patients operated upon for rhegmatogenous retinal detachment, showing buckle extrusion, recurrent pain, and diplopia. Patients underwent a preoperative retinal examination, and a six- months postoperative follow-up. R...
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