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The aim of the present study was to investigate the vasoactive effect of Crotalaria sessiliflora L. extract (CSE) on rats and its mechanism when combining in vivo and in vitro approaches. CSE (0.5-5 mg/ml) induced concentration-dependent relaxation on endothelium-intact thoracic aortic rings precontracted with phenylephrine (PE, 10(-5) M). This effect(More)
OBJECTIVE Our goal was to determine risk factors for children receiving additional ventilating tube insertions after initial tube insertion and to determine the changes of clinical manifestations in children who have undergone 3 ventilating tube insertion procedures. STUDY DESIGN We retrospectively analyzed medical and operation records of 423 young(More)
PURPOSE It is assumed that preoperative use of a bone-anchored hearing aid (BAHA) test-band will give a patient lower gain compared to real post-operative gain because of the reduction of energy through the scalp when using a test-band. Hearing gains using a BAHA test-band were analyzed in patients with unilateral hearing loss. MATERIALS AND METHODS(More)
OBJECTIVE Metabolic syndrome is a risk factor for age-related hearing impairment (ARHI). There are metabolic differences between abdominal adipose tissue present in subcutaneous and visceral areas. In this study, we investigated the association between abdominal fat composition, measured by computerized tomography (CT), and hearing thresholds. PATIENTS(More)
OBJECTIVES Inflammatory processes in chronic otitis media (COM) can damage the inner ear, resulting in sensorineural hearing loss (SNHL). The purpose of this study was to evaluate risk factors by computed tomography (CT) findings for COM-related SNHL in patients with unilateral COM. DESIGN Records from January 2009 to December 2012 of 231 patients with(More)
CONCLUSION Our findings suggest that migrainous vertigo (MV) has a substantial vestibulo-spinal abnormality that can be uncovered by posturography. Patients with MV also showed a difficulty in using multisystem information, especially somatosensory information. Caloric and sensory organization tests (SOTs) have complementary roles in assessing(More)
OBJECTIVE Sudden sensorineural hearing loss (SSNHL) is frequently accompanied by tinnitus. This study investigated the relationships between new-onset tinnitus and audiometric parameters in SSNHL patients. METHODS Sixty-one patients with SSNHL with new-onset tinnitus were enrolled. Changes of tinnitus pitch, and their correlations with the maximum hearing(More)
BACKGROUND To describe the rate and risk factors of central lesions among patients with dizziness in the emergency department based on diffusion-weighted MRI, which otologists consulted for evaluation of patients with dizziness need to know. METHODS 902 Consecutive patients who presented with dizziness symptoms as a chief complaint in the emergency(More)
OBJECTIVE We aimed to determine whether abnormalities in outer hair cell (OHC) function were related to tinnitus through interaural comparison of distortion product otoacoustic emissions (DPOAEs). STUDY DESIGN Cross-sectional study. SETTING Tertiary care university teaching hospital. PARTICIPANTS Twenty-seven patients with unilateral tinnitus and(More)