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NIM responders were defined as those exhibiting a NIM response of less then 1.5 mA at any site. Postoperative Yanagihara grading scores in NIM responders and NIM nonresponders were compared. RESULTS No variables differed significantly in the complete and incomplete recovery groups before surgery. NIM response thresholds in the complete recovery group at the GG and the 2nd G were significantly lower than the corresponding thresholds in the incomplete recovery group. The postoperative Yanagihara grading scores of NIM responders were significantly better than those of NIM nonresponders. CONCLUSION NIM responses to intraoperative direct facial nerve stimulation were useful for predicting outcomes after decompression surgery.OBJECTIVE Malleus ankylosis is an uncommon finding during stapes surgery, which can result in functional failure if undetected during primary surgery. Its management can be difficult and different approaches and solutions have been described to date, most of which require interruption of the ossicular chain. We report the management of such condition through a transcanal endoscopic technique, with preservation of ossicular chain integrity. PATIENTS The procedure was carried out in a patient affected by otosclerosis with persistent hearing loss after primary stapes surgery. INTERVENTION Surgical treatment of malleus head fixation through a totally endoscopic transcanal approach during revision stapes surgery. MAIN OUTCOME MEASURE Pure tone audiometry, speech audiometry. Colforsin RESULTS The patient experienced a complete closure of the air-bone gap. No postoperative vertigo or sensorineural hearing loss were observed. CONCLUSIONS The present report describes the transcanal endoscopic management of malleus ankylosis during revision stapes surgery, which has not been previously reported in the literature. Pearls related to this approach and advantages in comparison to previously described approaches of the literature are discussed as well.OBJECTIVES The aim of the present study was to evaluate semicircular canal function by video Head Impulse Test (vHIT) in patients with facial nerve schwannoma (FNS). STUDY DESIGN Retrospective case review. SETTING Tertiary referral center. PATIENTS Seven patients with FNS underwent vHIT examination. MAIN OUTCOME MEASURES The gain in vestibulo-ocular reflex and the presence of catch-up saccade were examined for the semicircular canals including the vertical canals. RESULTS Dysfunction of the semicircular canals was detected by vHIT in three of seven cases. Nystagmus beating toward the non-affected side was observed in all three cases with semicircular canal dysfunction. Dysfunction was observed in a case with no direct compression of the vestibular nerve or semicircular canals by FNS. CONCLUSIONS Semicircular canal function in patients with FNS could be evaluated by vHIT. vHIT has two advantages for the evaluation of vestibular function in patients with FNS. First, vHIT could be used for the patients in whom a tumor exists in the external auditory canal or middle ear, unlike caloric testing. Second, as vHIT could evaluate all three canals, impaired vestibular nerves could be speculated from vHIT results when a tumor exists in internal auditory canal. vHIT should be performed in patients with FNS, especially before surgery, to evaluate vestibular function.OBJECTIVES To understand the growth rate of mastoid thickness and skull width associated with the age for both normal and malformed inner-ear anatomy groups. Also, to determine if there is any mathematical relation between cochlear size as measured by the "A" value against the age, mastoid thickness, and skull width. METHODS Ninety-two computed tomography image datasets of human temporal bone were made available that contained normal (n = 44) and malformed inner-ear (n = 48) anatomies. The age of the subjects ranged from 6 months to 79 years. CE marked OTOPLAN preplanning otology software was used to load the patient's preoperative images for making all the measurements including mastoid thickness, skull width, and the cochlear size as measured by the "A" value. Mastoid thickness was measured both in axial and coronal planes starting from the cochlear entrance to the skull surface, with the line in plane with the basal turn of the cochlea. Skull width was measured from side to side in both axial and coronal psed with age, while the cochlear size was independent of age, mastoid thickness, and the size of the skull.BACKGROUND The regulator of G-protein signaling protein 5 (RGS5) has been demonstrated to play a role in regulating blood pressure and cardiovascular function. Studies have shown that RGS5 polymorphisms exhibit susceptibility to hypertension. However, no study has yet been performed among stroke patients. Colforsin METHODS To evaluate whether RGS5 rs4657251 is a susceptibility gene for stroke, we performed a case-control association study involving 714 large-artery atherosclerosis (LAA) patients, 383 small vessel occlusion (SVO) patients, 401 hypertensive intracranial hemorrhages (HICH), and 626 controls. The RGS5 rs4657251 polymorphism was analyzed through polymerase chain reaction. RESULTS The TC genotype was significantly higher in the SVO group compared with that in the control group (odds ratio [OR] = 1.34, 95% confidence interval [CI] = 1.02-1.76, p = 0.035). In addition, the dominant phenotype (TC + CC vs TT) was also significantly different between the SVO and the control groups (OR = 1.31, 95% CI = 1.01-1.70, p = 0.046). However, no association was found between RGS5 rs4657251 and LAA an HICH. After adjustment with gender, diabetes, smoking, cholesterol and low-density lipoprotein levels, RGS5 rs4657251 polymorphism remained an independent risk factor for SVO (OR = 1.49; 95% CI = 1.12-1.98) but not for LAA or HICH. CONCLUSION Our findings, obtained among Taiwan Han Chinese subjects, provide the first evidence that RGS5 rs4657251 polymorphism is an independent risk factor for SVO.BACKGROUND The aim of this report was to review experience from a single hospital in treating ureteral obstruction related to endometriosis with robot-assisted laparoscopic ureteral reconstruction. METHODS This retrospective analysis study (Canadian Task Force classification II-3) was conducted at an academic tertiary hospital. Five female patients with hydronephrosis without significant elevation of serum creatinine levels were enrolled. Ureteral endometriosis with obstruction was suspected on radiological images. Previous treatment with double-J stenting with or without medical treatment had failed in all of the patients. We performed robot-assisted laparoscopic segmental resection for ureteral endometriosis and reconstructed the ureter through ureteroureterostomy (RUU) or ureteroneocystostomy (RUC). The involved ureters included left lower ureter in three patients and right lower ureter in two patients. RUU was performed in four patients and RUC in one patient. All of the operations were completed smoothly without complications.
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