نتایج جستجو برای: valsalva retinopathy
تعداد نتایج: 23107 فیلتر نتایج به سال:
Introduction: Propofol is one of the most common anesthetic drugs. Painful injection with a reported prevalence of 28 to 90% in various studies is one of the problems of taking Propofol. The present study investigated the effect of performing the Valsalva maneuver and tourniquet twisting on pain intensity and hemodynamic changes. Materials and Methods: This clinical trial was performed on 105 p...
Purpose To describe a case of Valsalva-related subretinal hemorrhage as a presenting symptom of polypoidal choroidal vasculopathy (PCV). The patient refrained from treatment against our best advice, and thus this is also a rare case of the natural course of an untreated PCV. Methods Case report. Results A 66-year-old female with a respiratory infection coughed intensely until exhaustion, af...
Valsalva is “a particular form of retinopathy, pre-retinal and hemorrhagic in nature, secondary to a sudden increase in intrathoracic pressure”. Increasing intrathoracic pressure against a closed glottis diminishes venous return to the heart, decreasing stroke volume and subsequently increasing the venous system pressure. Here we report a case of 52-year-old male who presented with a sudden cen...
We reported the spectral-domain optical coherence tomography (SD-OCT) findings of a subinternal limiting membrane hemorrhage in the macula in one patient with Valsalva retinopathy and in one patient with macroaneurysm before and after neodymium-doped yttrium aluminum garnet (Nd:YAG) laser membranotomy. Within 1 week, the Nd:YAG laser treatment facilitated rapid absorption of the hemorrhage in b...
To report a case of a patient with Valsalva retinopathy that developed sub-internal limiting membrane hemorrhage, underwent pars plana vitrectomy and had visual acuity improvement after that. A 35-year-old healthy patient presented with sudden and painless vision loss of her right eye, after coughing. During the ophthalmologic evaluation, she had a pre-macular hemorrhage and no other abnormalit...
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