BACKGROUND Edema persists for months after rhinoplasty. Numerous modalities have been described to counteract postoperative edema. OBJECTIVE To evaluate the effect of postrhinoplasty taping (PRT) on nasal edema and nasal draping. DESIGN, SETTING, AND PARTICIPANTS In this randomized clinical trial, 57 patients undergoing rhinoplasty at a tertiary reference center from August 1, 2014, to January 31, 2015, were assigned to a control group or to 2-or 4-week PRT groups. Baseline nasal thickness was measured with ultrasonography at the nasion, rhinion, supratip, and tip, and mean nasal skin thickness (MNST) was calculated. Participants in each group were categorized by the baseline MNST measurement from the lowest to greatest MNST; those in the upper half were categorized as having thick skin; those in the lower half, thin skin. The control group underwent no PRT after the removal of external packing. Patients in the 2-and 4-week PRT groups
Aims of this study are to analyze the association of the anterior ethmoidal artery's (AEA) visualization with variations in its adjacent structures in coronal, axial, and sagittal CT images, to assess its relation with the ethmoid roof, and, based on this relation, to introduce a new classification for the ethmoid roof. A retrospective, cross-sectional study was performed in a tertiary referral center. In this retrospective, cross-sectional study, the coronal, axial, and sagittal CTs of 184 patients have been surveyed and the AEA canal, the ethmoid roof, and their relations with surrounding structures have been assessed. The Keros classification used to measure the depth of the lateral lamella of the cribriform plate (LLCP) in the ethmoid roof has been modified to include anterior-posterior length of the LLCP. It was shown that the visualization of the AEA canal increases in a statistically significant manner with an increase in the superior-inferior depth and the anterior-posterior length of the LLCP bilaterally. In the presence of supraorbital pneumatization, AEA visualization was shown to increase bilaterally significantly. This study demonstrated a positive correlation between the AEA canal, the LLCP superior-inferior depth, and the anterior-posterior length. It was shown that with the increased depth and length of the LLCP and in the presence of supraorbital pneumatization, the visualization of the artery and hence the injury risks are increased. The LLCP anterior-posterior length is as clinically relevant as is its depth, and a radiologic classification has been defined according to the anterior-posterior length of the LLCP.
This is the first report in the literature that demonstrates association of recurrent aphthous stomatitis with increased oxidative status.
The objective of this study was to investigate the thermal effects of cold light sources and endoscopes on the inner ear. 25 male guinea pigs were assigned equally to five groups (1: Halogen-1 min, 2: Halogen-5 min, 3: Xenon-1 min, 4: Xenon-5 min, 5: Controls). After both bullae of the guinea pigs were opened, light sources and endoscopes were positioned in the middle ears of the first four groups for specific time periods. DPOAE and ABR tests were conducted on all animals at the beginning of the study, at the end of surgery, and 2 h after surgery. The temperatures of cold light sources were measured by a thermocouple thermometer, and the surface temperatures of the endoscopes were measured by an infrared thermometer. DPOAE and ABR measurements performed right after and 2 h after surgery in group 1, 2, 3, and 5 did not reveal any significant difference. In group 4, DPOAE values were significantly lower and ABR threshold values were significantly higher than those in the other groups, right after and 2 h after surgery. Thermocouple thermometer readings showed that, after the first minute, the Xenon light source generated significantly more temperature rise than the Halogen light source. The surface temperatures of all endoscopes returned to normal approximately 1 min after light sources were turned off. Our study demonstrated that when an endoscope using a Xenon light source was applied to the middle ear for a specific time periods, inner ear functions deteriorated, as reflected by audiologic tests.
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