PURPOSE: The peripapillary retinal nerve fiber layer thickness (RNFL) was measured in normal children using optical coherence tomography (OCT), and the effect of various factors on the RNFL thickness was examined. METHODS: From April 2006 to January 2007, the RNFL thickness of 74 normal children (148 eyes) between the ages of 4 and 17 years old was measured by OCT, and the effect of factors such as age, gender, refractive error, C/D ratios, cooperation, and laterality on the peripapillary RNFL thickness was analyzed. RESULTS: The mean age of the patients was 10.2 years (4~17 years), and the mean peripapillary RNFL thickness was 106.3+/-12.8 micrometer. As to the thickness of the different peripapillary locations, the superior side was thickest (135.3+/-20.6 micrometer), followed in order by the inferior side (130.9+/-23.0 micrometer), the temporal side (86.3+/-18.9 micrometer), and the nasal side (71.9+/-20.8 micrometer). The refractive error was correlated positively with RNFL thickness (r=0.277, p=0.001), and age correlated negatively with RNFL thickness (r=-0.194, p=0.018). CONCLUSIONS: RNFL thickness in normal children increases as the refractive error becomes hyperopic and decreases with age. The data about RNFL thickness of normal children obtained in this study may provide useful information for an early diagnosis of pediatric neuroophthalmologic disease and for monitoring its progression.
Child ; Early Diagnosis ; Humans ; Negotiating ; Nerve Fibers ; Refractive Errors ; Retinaldehyde ; Tomography, Optical Coherence

BACKGROUND: There have been no studies of airway management strategies for difficult intubation and cannot intubate, cannot ventilate (CICV) situations in Korea. This study was intended to survey devices or methods that Korean anesthesiologists and intensivists prefer in difficult intubation and CICV situations. METHODS: A face-to-face questionnaire that consisted of a doctor's preference, experience and comfort level for alternative airway management devices was presented to anesthesiologists and intensivists at study meetings and conferences from October 2014 to December 2014. RESULTS: We received 218 completed questionnaires. In regards to difficult intubation, the order of preferred alternative airway devices was a videolaryngoscope (51.8%), an optical stylet (22.9%), an intubating laryngeal mask airway (11.5%), and a fiber-optic bronchoscope (10.6%). One hundred forty-two (65.1%) respondents had encountered CICV situations, and most of the cases were identified during elective surgery. In CICV situations, the order of preferred methods of infraglottic airway management was cricothyroidotomy (CT) by intravenous (IV) catheter (57.3%), tracheostomy by a surgeon (18.8%), wire-guided CT (18.8%), CT using a bougie (2.8%), and open surgery CT using a scalpel (2.3%). Ninety-eight (45%) of the 218 respondents were familiar with the American Society of Anesthesiologists' difficult airway algorithm or Difficult Airway Society algorithm, and only 43 (19.7%) had participated in airway workshops within the past five years. CONCLUSION: The videolaryngoscope was the most preferred device for difficult airways. In CICV situations, the method of CT via an IV catheter was the most frequently used, followed by wire-guided CT method and tracheostomy by the attending surgeon.
Airway Management ; Bronchoscopes ; Catheters ; Congresses as Topic ; Education ; Intubation* ; Intubation, Intratracheal ; Korea* ; Laryngeal Masks ; Methods ; Surveys and Questionnaires ; Tracheostomy

BACKGROUND: Several kinds of stents have shown their safety and efficacy to treat acute or subacute closure after balloon angioplasty as well as to reduce restenosis rate. However, one of the limitations of stents is difficult to deploy especially in tortuos vessels, lesions at a bend, and distal to previously deployed stents. The Micro stent II, which was one of the most recently developed stents, ia a rapid-exchage balloon expandable stainless steel stent with a zigzag design connected with a continuous single weld in each 3mm segments. It scores over excellent trackability and optimum radio-opacity. Therefore, it is easy to operate and feasible in tortuous, distal lesions and variety of lesion lengths. We report our experiences with Micro-II stent implanatation in the first 76 patients at Tonsei cardiovascular center to assess its safety and efficacy in patients with complex coronary anatomy and clinical results in the first months. METHODS: Between January 1996 and July 1996, eighty-six Micro-II stent were implanted in the coronary arteries of 76 patients(male 65.8%, age 59+/-10 year). Forty-five patients had unstable angina, the others had stable angina(17pts), acute myocardial infarction(14pts). RESULTS: 1) Indication of stenting was de novo 51(59.3%), suboptimal result 25(29.1%), restenosis 1(1.2%) and 9(10.4%) of lesions were stented in bail out situation. 2) Single stent were implanted in 76(88.4%)lesions, overlapping stent in 10(11.6%)lesions. Among overlapping stents, the second stent with Micro-II stent and with another kind of stent were 4.6%, 7.0%, respectively. 3) Procedure related complication including a subacute closure was occurred in 1(1.2%) patient who had distal dissection and 45% residual stenosis. In 12(14%) lesions, preistent dissection has been noticed after stent impantation. 4) Angiographic success(defined as a residual stenosis of <30% without major dissection) was achieved in 82 of 86 attempts(95.3%). The procedual success rate(defined as a residual stenosis of <30% without occurrence of major clinical events within 4 weeks after procesure) was 96.1%(73/76 patients). Angiographic success and procedural success rate in calcified lesion were 100% and 100%, respectively. Angiographic success and procedural success rate in more than 45` angulated lesion were 97% and 100%, respectively. 5) The mean minimal luminal diameter of the target lesions was increased from 0.42+/-0.40mm before stent implantation to 2.93+/-0.50mm(p<0.001). The percentage of diameter stenosis was reduced from 86.49+/-13.04% to 1.40+/-7.11%(p<0.001) after stent implantation. CONCLUSION: Coronary stenting with AVE Micro-II stent can be safety performed and is particularly beneficial in tortuous and calcified arteries. There was a high tendency for peristent dissection which need to special consideration to avoid. Follow-up data is needed to assess mid and term patency. Coronary artery disease . AVE Micro-II stent . Immediate results.
Angina, Unstable ; Angioplasty, Balloon ; Arteries ; Constriction, Pathologic ; Coronary Artery Disease ; Coronary Vessels ; Follow-Up Studies ; Humans ; Phenobarbital ; Stainless Steel ; Stents*

OBJECTIVES: This study aimed to observe the decrease in tooth color after home and office bleaching due to consumption of juice, soda, and coffee over a period of one year. METHODS: We obtained written consent from 30 subjects, who were divided into two groups i.e., home bleaching and office bleaching groups. They were treated with opalessence® and Zoom2 whitening gel, and the color of their teeth was assessed using shade Eye-NCC over a one-year period. A self-describing questionnaire was used to determine the frequency of juice, soda, and coffee consumption. RESULTS: The changes in color were measured before and after 1 day, 1 month, 3 months, 6 months, and 12 months. Although the tooth color slightly changed after 12 months, the teeth were brighter than the original color. Consumption of juices, sodas, and coffee is thought to be associated with decrease in tooth color, although the change was not statistically significant. CONCLUSIONS: The ΔE* values showed that the tooth bleaching effect remained for 12 months. Consuming a normal amount of juice, sodas, and coffee does not significantly reduce tooth color after tooth bleaching.
Coffee ; Follow-Up Studies* ; Tooth Bleaching* ; Tooth*

PURPOSE: Here, we report a case of an infant with fetal alcohol syndrome with esotropia who was born to a mother who consumed a large quantity of alcohol during her pregnancy. METHODS: A 1-year-old female infant visited our hospital for the main symptom of the esodeviation of the eye. The medical history of the mother and the delivery history were reviewed, and a physical examination and ophthalmic examination of the infant were performed. RESULTS: At the first examination, the patient was 15 months old, her mass was 5, 600 grams, her height was 70 cm, her head circumference was 39.5 cm, and her chest circumference was 41 cm; all the measurements were below the 3rd percentile. From the gestation age of 24 weeks, the mother consumed 1-2 bottles of sojoo every day, and the infant patient was delivered at the gestation age of 42 weeks by Cesarean section. The infant's birth weight was 1, 510 grams. Upon physical examination, her philtrum was found to be shallow, and microcephaly was detected. Upon ophthalmic examination, a refractive error +1.25 Dsph. was detected. With regard to the horizontal length of the palpebral fissure, the right and the left were 1.7 cm and 1.6 cm, respectively, which is considered short; telecanthus and esotropia were also present. CONCLUSIONS: To the best of our knowledge, this is the first reported case of fetal alcohol syndrome with accompanying esotropia.
Birth Weight ; Cesarean Section ; Esotropia* ; Female ; Fetal Alcohol Spectrum Disorders* ; Head ; Humans ; Infant ; Lip ; Microcephaly ; Mothers ; Physical Examination ; Pregnancy ; Refractive Errors ; Strabismus ; Thorax

PURPOSE: Detrusor hyperactivity with impaired contractility(DHIC) can be found in many elderly patients with benign prostatic hyperplasia(BPH). It is hard to expect the efficacy of transurethral resection of prostate(TURP) on such patients. Therefore, we retrospectively estimated the effect of TURP on BPH patients with DHIC. MATERIALS AND METHODS: Eighteen male patients with BPH and DHIC were underwent TURP. Through urodynamic studies, DHIC was identified. Findings of bladder outlet obstruction were evaluated with TRUS and/or diagnostic cystoscopy in all patients. They were requested to go through uroflowmetry and international prostate symptom score(IPSS), before and after TURP. The subjective satisfaction scale was measured after TURP. RESULTS: Total IPSS(from 20.6 to 12.5), obstructive symptom score(from 11.5 to 6.0), and maximal flow rate (from 6.0 ml/sec to 14.6 ml/sec) of the patients were improved significantly(p<0.05) after TURP. Storage symptom score(from 9.0 to 6.3) got better, but the improvement was not statistically significant(p>0.05). Only 2(12%) of the patients were unsatisfied with the outcomes of TURP. CONCLUSION: We suggest that TURP can be used as a good therapeutic option for selected patients with BPH accompanied with DHIC.
Aged ; Cystoscopy ; Humans ; Male ; Prostate ; Prostatic Hyperplasia* ; Retrospective Studies ; Transurethral Resection of Prostate* ; Urinary Bladder Neck Obstruction ; Urodynamics

No abstract available.
Aldosterone* ; Humans* ; Prolactin*

PURPOSE: Climacturia is involuntary loss of urine during orgasm. The mechanism of climacturia in men who undergo radical prostatectomy (RP) is not fully understood, while deficiency in bladder neck coaptation during orgasm may be the cause. We evaluated the prevalence and risk factors of climacturia after RP. MATERIALS AND METHODS: We retrospectively reviewed the medical records of prostate cancer patients who underwent RP from 2002 to 2013 and was able to have a vaginal intercourse postoperatively. RP was conducted using open or robot-assisted approach. We analysed the symptoms of climacturia, relationship between climacturia and several clinical factors. Also, we tried to find factors to predict the presence of climacturia. RESULTS: Total of 123 patients were analyzed in this study. The median age of the men was 65 year and postoperative follow-up period for the interview was 37 months. Of the total 123 patients, 29 (23.6%) complained of the climacturia. In climacturia group, robot-assisted RP (p=0.018), nerve-sparing (p=0.046) and penile rehabilitation (p=0.012) were significantly less frequent, and more pad were comsumed (p=0.001) compared to non-climacturia group. On multivariable analysis, post-prostatectomy incontinence (PPI) (OR 6.49, p=0.004) and penile rehabilitation (OR 0.22, p=0.036) were significant factors to predict the presence of climacturia. CONCLUSIONS: Climacturia occurs in more than 20% patients who were potent enough after RP in our study. PPI and penile rehabilitation were positive and negative factor to predict an occurrence of climacturia, respectively. Therefore, in addition to PPI and erectile dysfunction, patients must be informed of this complication before undergoing RP.
Erectile Dysfunction ; Follow-Up Studies ; Humans ; Male ; Medical Records ; Neck ; Orgasm ; Prevalence ; Prostatectomy* ; Prostatic Neoplasms ; Rehabilitation ; Retrospective Studies ; Risk Factors ; Urinary Bladder ; Urinary Incontinence

The pathophysiology, clinical presentation and prognosis of left ventricular obstruction present an important cardiological problem. Various anatomical and functional abnormality can cause this phenomenon. Rarely, left ventricular outflow obstruction can result after mitral valve surgery. We experienced a case of left ventricular outflow obdtruction 13 years after mitral valve replavement. The diagnosis was made using two-dimensinal Doppler echocardiography and confirmed by cardiac catheterization. The pressure gradient across the left ventricular outflow obstruction was 96mmHg. A second mitral valve replacement was performed. Because severe fibrosis, pannis around the prosthetic mitral valve and a subaortic web were detected during the operation, the subaortic web was removes.
Cardiac Catheterization ; Cardiac Catheters ; Diagnosis ; Echocardiography, Doppler ; Fibrosis ; Mitral Valve* ; Prognosis ; Ventricular Outflow Obstruction*

PURPOSE: The aim of this research was to establish the effect and variation in differing convergence angle and length of abutment on the retention of full veneer casted gold crown. MATERIALS AND METHODS: Two different length,5 mm and 10 mm in height with convergence angles of 5, 10, 15 and 25 degrees crowns were fabricated. Cementation was done using cements; zinc phosphate cement (Fleck's zinc phosphate cement), resin-modified glass ionomer cement (Vitremer) and resin cement (Panavia 21). These were tested for tensile force at the point of separation by using Instron Universal Testing Machine. Statistical analysis was done by SAS 6.04 package. RESULTS: In all cements the mean retention decreased with significant difference on increase of convergence angle (P<.05). Increase in every 5 degree-convergence angel the retention rate decreased with resin-modified glass ionomer cement of 15.9% and resin cement of 14.8%. With zinc phosphate cement, there was largest decreasing rate of mean retention of 25.5% between convergence angles from 5 degree to 10 degree. When the crown length increased from 5 mm to 10 mm, the retention increased with the significant difference in the same convergence angle and in all types of cement used (P<.05). CONCLUSION: The retention was strongly dependent on geometric factors of abutment. Much care is required in choosing cements for an optimal retention in abutments with different convergence angles and crown lengths.
Acrylic Resins ; Cementation ; Collodion ; Crowns ; Dental Cements ; Glass Ionomer Cements ; Phenothiazines ; Phosphates ; Resin Cements ; Retention (Psychology) ; Silicon Dioxide ; Zinc ; Zinc Compounds ; Zinc Phosphate Cement