1.Computerized analysis of fetal heart rate after acoustic stimulation.
Kyung Mee JUNG ; Jong Woon BAE ; Moon Il PARK ; Sun Il KIM ; Seung Kwon KHO
Korean Journal of Obstetrics and Gynecology 1999;42(12):2684-2689
OBJECTIVES: The objectives of this study is to compare the differences of fetal heart rate (FHR) variables between preterm and term pregnancies after acoustic stimulation using computerized analysis of fetal heart rate. METHODS: Eighty-two normal pre-term and term pregnancies entered to this study after conventional 20-minutes nonstress test(NST) and 10-minutes acoustic stimulation test (AST). Acoustic stimulations were performed using Fetal Acoustic Stimulator (Model 146, Corometrics, US). We analyzed the FHR response after acoustic stimulation using our on-line computerized FHR analysis system, HYFM-I & II software. The changes of loss of signal, baseline FHR, variability, number of fetal movements, and number of FHR accelerations were analyzed numerically. RESULT: The mean baseline FHR was increased in term pregnancies from 141+/-7.0bpm to 152.7+/-9.7bpm, and in preterm pregnancies from 144.6+/-6.8bpm to 156.8+/-10.2bpm, respectively. The mean baseline FHR was significantly increased in both term and preterm pregnancies (p<0.01. paired t-test). The variability of FHR was increased in term pregnancies from 18.2+/-6.4bpm to 22.6+/-5.0bpm and in preterm pregnancies from 17.8+/-5.5bpm to 22.7+/-5.9bpm, respectively. The variability of FHR was also significantly increased in both term and preterm pregnancies. (p<0.01. paired t-test) CONCLUSION: The mean baseline FHR and the variability of FHR was significantly increased both preterm and term pregnancies. But the difference of each FHR variables between preterm pregnancies and term pregnancies was not statistically significant in this study.
Acceleration
;
Acoustic Stimulation*
;
Acoustics*
;
Female
;
Fetal Heart*
;
Fetal Movement
;
Heart Rate, Fetal*
;
Pregnancy
2.a case of primary adenocarcinoma of fallopian tube.
Kwon Il ROH ; Hae Suk KIM ; Duk Soo BAE ; Chang Jae SHIN ; Jung Gu KIM
Korean Journal of Obstetrics and Gynecology 1991;34(1):144-151
No abstract available.
Adenocarcinoma*
;
Fallopian Tubes*
;
Female
3.Acute Respiratory Failure Derived From Subglottic Stenosis in a Patient with Relapsing Polychondritis.
Hyun Jeong KIM ; Won PARK ; Sung Kwon BAE ; Sung Soo KIM ; Yong Hwan LEE ; Jung Soo SONG ; Jung Il CHO
Tuberculosis and Respiratory Diseases 2001;50(3):353-358
Relapsing polychondritis (RP) is rare, chronic, relapsing, and multisystemic inflammatory disease targeting the cartilaginous structures. Respiratory track involvement occurs in approximately half of the cases. Subglottic stenosis is a rare manifestation of RP. Here, we report a case of RP with a subglottic stenosis, resulting in acute respiratory failure. A 63-year old man was admitted complaining of multiple joint pain, general weakness, weight loss, throat pain, hoarseness, exertional dyspnea, and hearing difficulties. A laryngoscopy and neck CT revealed a subglottic stenosis. Four days after admission, he complained severe dyspnea resulting in acute respiratory failure. Immediately, a tracheostomy was done for airway preservation. After high dose steroid therapy, the general symptoms were improved. However, the subglottic stenosis was sustained. Thus, a laryngotracheal augumentation and stent insertion was performed. The speech valve was then replaced. The subglottic stenosis was managed with low dose steroid and monthly cyclophosphamide pulse therapy, and the patients has been followed up regularly.
Arthralgia
;
Constriction, Pathologic*
;
Cyclophosphamide
;
Dyspnea
;
Hearing
;
Hoarseness
;
Humans
;
Laryngoscopy
;
Neck
;
Pharynx
;
Polychondritis, Relapsing*
;
Respiratory Insufficiency*
;
Stents
;
Tracheostomy
;
Weight Loss
4.Bilateral Approach for Stent-assisted Coiling of Posterior Inferior Cerebellar Artery Aneurysms: Two Cases.
Se Il JEON ; Bae Ju KWON ; Dae Hee SEO ; Hee In KANG ; Sung Choon PARK ; Il Seung CHOE
Journal of Cerebrovascular and Endovascular Neurosurgery 2012;14(3):223-227
Aneurysms of the posterior inferior cerebellar artery (PICA) are rarely encountered. In particular, due to frequent anatomic complexity and the presence of nearby critical structures, PICA origin aneurysms are difficult to treat. However, recent reports of anecdotal cases using advanced endovascular instruments and skills have made the results of endovascular treatment rather outstanding. PICA preservation is the key to a successful endovascular treatment, based on the premise that a PICA origin aneurysm is well occluded. To secure PICA flow, stenting into the PICA would be the best method, however, it is nearly impossible technically via the ipsilateral vertebral artery (VA) if the PICA arose at an acute angle from the sac. In such a case, a bilateral approach for stent-assisted coiling can be a creative method for achievement of two goals of both aneurysm occlusion and PICA preservation: ipsilateral approach for coil delivery and contralateral cross-over approach for stent delivery via a retrograde smooth path into the PICA.
Achievement
;
Aneurysm
;
Arteries
;
Intracranial Aneurysm
;
Pica
;
Stents
;
Vertebral Artery
5.Randomized comparison of the effects of the endocervical and the vaginal prostaglandinE2 in women with various degrees of cervical ripeness.
Mi Ran SANG ; Yong Il KWON ; Tae Chul PARK ; Dong Jin KWON ; Yong Suk LEE ; Tae Wook BAE ; Jin Woo LEE ; Su Pyung KIM
Korean Journal of Obstetrics and Gynecology 1999;42(10):2176-2181
OBJECTIVES: The trial was performed to obtain an unbiased comparison of the relative merits of endocervical and vaginal prostaglandin E2(PGE2) in the case of parous and nulliparous woman with favorable and unfavorable cervical features. This study was performed to determine the clinical usefullness of endocervical PGE2 comparing with the vaginal PGE2 in cervical ripening and induction of labor. METHOD: The randomized trial with 65 Participants was performed with sealed envelopes for parity and Bishop score (from March to september, 1998). PGE2 tablet(3mg Dinoprostone) was administrated intravaginally to the 32 pregnant women and endocervically to the 33 pregnant women every eight hours with maximum three times until the regular labor develped. RESULT: Outcomes of labor and delivery were clearly related to cervical score at trial entry. endocerval PGE2 had a more marked effect on cervical ripeness than did vaginal PGE2. There were no significant differences on age distribution, gestatioanal period, primiparity, cervical status, initial B-score in each group. There were no significant differences in cesarian section rate, fetal distress, uterine hyperstimulation, side effect and poor infant outcome between the groups The mean induction time was statistically shorter in cervical group with multiparous women than other group(p=0.0195). In the induction-active labor time, cervical with primi group was statistically shorter than other group(p=0.0245). Statistically significant differences were noted between the nulliparous woman and multiparous women in mean induction time, induction-active labor time, time to B-score 8. In the factor that effects induction-active labor, route was significantly better than other factor.(p=0.0001) CONCLUSION: edocervical PGE2 is more effctive than vaginal PGE2 in cervical ripening and induction of active labor. the endocervical PGE2 resulted in a significantly shorter induction to active labor time compared with vaginal PGE2 and has almost no side effect. Because differences in effectiveness between endocervical and vaginal PGE2 are marginal, preference of woman and clinicians can the choice between them.
Age Distribution
;
Cervical Ripening
;
Dinoprostone
;
Female
;
Fetal Distress
;
Humans
;
Infant
;
Parity
;
Pregnancy
;
Pregnant Women
6.Prevalence of OXA-23 Extended-Spectrum beta-Lactamase-Producing Clinical Isolates of Acinetobacter baumannii in a University Hospital, Busan, Korea.
Byung Chan JEON ; Ki Young KWON ; Seok Hoon JEONG ; Il Kwon BAE ; Su Bong KWON ; Byung Kyu CHO ; Dongeun YONG ; Kyungwon LEE
Korean Journal of Clinical Microbiology 2004;7(2):139-147
BACKGROUND: Acinetobacter baumannii is a glucose-nonfermenting gram-negative rod and is a well-recognized nosocomial pathogen. In recent years, A. baumannii strains showing resistance to carbapenems by producing metallo-beta-lactamases or OXA-type beta-lactamases have increased, and it is considered to be a serious clinical problem. But genotypes of carbapenemases produced by A. baumannii isolates in Korea have been rarely reported. The purpose of this study was to investigate the prevalence of imipenem-resistant A. baumannii and to determine the mechanism of resistance. METHODS: During the period of January through September, 2003, susceptibilities to imipenem of A. baumannii isolates from patients admitted in Kosin University Gospel Hospital in Busan, Korea were investigated. The modified Hodge and EDTA-disk synergy tests were performed for screening of carbapenemase and metallo-beta-lactamase-production. Minimal inhibitory concentrations (MICs) were determined by the agar dilution method. For detection of IMP, VIM and OXA-type beta-lactamases genes, polymerase chain reactions (PCR) were performed, and the DNA sequences of OXA-type beta-lactamases genes were determined by using the dideoxy-chain termination method. The isoelectric points of beta-lactamases were determined by isoelectric focusing. Pulsed-field gel electrophresis (PFGE) of the SmaI-digested genomic DNA was performed. RESULTS: A total of 193 strains of A. baumannii were collected from patients during the surveillance period. Twenty-seven percents (52/193) of A. baumannii isolates were resistant to imipenem. Among the 52 imipenem-resistant isolates, 41 isolates (78.8%) showed positive results in the modified Hodge test, but none of the isolates showed positive results in the EDTA-disk synergy test. Thirty-eight modified Hodge test-positive isolates harbored blaOXA-23 gene, but none of the isolates harbored IMP- or VIM-type metallo-beta-lactamases genes. Analytical isoelectric focusing revealed that all the 38 isolates had a nitrocefin-positive band at pI of 6.65. Thirty-five OXA-23-producing isolatesshowed a similar PFGE pattern when digested by SmaI endonuclease. CONCLUSION: Thirty-eight clinical isolates of A. baumannii acquired resistance to imipenem by producing OXA-23 beta-lactamase. Among them were 35 isolates thought to be originated from the same source, because they contained a similar chromosomal type. To the best of our knowledge, this is the first time that OXA-23 beta-lactamase has been detected in Korea.
Acinetobacter baumannii*
;
Acinetobacter*
;
Agar
;
Base Sequence
;
beta-Lactamases
;
Busan*
;
Carbapenems
;
DNA
;
Genotype
;
Humans
;
Imipenem
;
Isoelectric Focusing
;
Isoelectric Point
;
Korea*
;
Mass Screening
;
Polymerase Chain Reaction
;
Prevalence*
7.Carbapenem-Resistant Acinetobacter baumannii.
Il Kwon BAE ; Seok Hoon JEONG ; Kyungwon LEE
Korean Journal of Clinical Microbiology 2012;15(1):1-8
Clinical isolates of Acinetobacter spp. in Korea exhibit higher antimicrobial resistance rates than in foreign countries and frequently show multi-drug resistance. Approximately 67% (272/405) of Acinetobacter baumannii isolates collected from 19 hospitals in Korea in 2008 exhibited intermediate susceptibility or resistance to imipenem and/or meropenem. The most important mechanisms in acquiring carbapenem resistance in A. baumannii in Korea are production of OXA-23 and overproduction of OXA-51, while that in non-baumannii Acinetobacter is the production of metallo-beta-lactamases. All the carbapenem-resistant A. baumannii isolates were identified as clonal complex 92 and belonged to worldwide clone 2.
Acinetobacter
;
Acinetobacter baumannii
;
Clone Cells
;
Drug Resistance, Multiple
;
Imipenem
;
Korea
;
Thienamycins
8.Molecular Epidemiology of Infection Caused by OXA-23 or IMP-1 beta-Lactamase-Producing Acinetobacter baumannii.
Kwang Ok PARK ; Han Chul SON ; Il Kwon BAE ; Seok Hoon JEONG
Korean Journal of Clinical Microbiology 2005;8(2):121-129
BACKGROUND: The purposes of this study were to investigate the prevalence of imipenem-resistant clinical Acinetobacter baumannii isolates and to determine the mechanism of the resistance. METHODS: During the period of June to September 2004, susceptibility to imipenem of A. baumannii isolates from a hospital in Busan, Korea were investigated. The isolates were screened for the production of carbapenemase and metallo-beta-lactamase by Modified-Hodge and EDTA-disk synergy tests, respectively; minimum inhibitory concentrations (MICs) were determined by agar dilution method. Genes coding for GES, IMP, VIM, SMP-1, GIM-1 and OXA type beta-lactamases were searched by PCR amplification, and the PCR products were subjected to direct sequencing. Isoelectric points of beta-lactamases were estimated by isoelectric focusing and the epidemiological relationships of isolates were investigated by enterobacterial repetitive intergenic consensus (ERIC) PCR. RESULTS: Fifty eight strains of A. baumannii were isolated from clinical specimens during the surveillance period, and 14 isolates (24.1%) were resistant to imipenem. Of the 14 isolates, 9 were tested positive in Modified-Hodge test and 2 were also positive in EDTA-disk synergy test. Genes encoding OXA-23 and IMP-1 were detected in 7 and 2 isolates, respectively. In IEF studies, OXA-23 and IMP-1 enzymes had corresponding pIs at 6.7 and 9.0, respectively. Seven OXA-23-producing and 2 IMP-1-producing isolates showed the same ERIC PCR patterns. CONCLUSION: It is concluded that 7 and 2 A. baumannii isolates from the patients in a hospital in Busan acquired resistance to imipenem by producing OXA-23 and IMP-1 beta-lactamases, respectively. The isolates producing these beta-lactamases might be originated from a common source.
Acinetobacter baumannii*
;
Acinetobacter*
;
Agar
;
beta-Lactamases
;
Busan
;
Clinical Coding
;
Consensus
;
Humans
;
Imipenem
;
Isoelectric Focusing
;
Isoelectric Point
;
Korea
;
Microbial Sensitivity Tests
;
Molecular Epidemiology*
;
Polymerase Chain Reaction
;
Prevalence
9.A Case of Factitious Herniated Lumbar Disc.
Kyeong Seok LEE ; Young Joon KWON ; Jae Won DOH ; Hack Gun BAE ; Il Gyu YUN
Journal of Korean Neurosurgical Society 1999;28(2):269-272
The authors present a case of factitious disorder manifestating as a lumbar disc herniation. This 38-year-old woman has been operated on over ten times during a 20-year-period. Surgeons should be alert to avoid unnecessary operations for this uncommon but potentially serious disorder.
Adult
;
Back Pain
;
Female
;
Humans
;
Malingering
;
Somatoform Disorders
;
Spine
10.Tethered Cord Syndrome in Adulthood.
Il Kwon KOO ; Seong Ho KIM ; Jang Ho BAE ; Oh Lyong KIM ; Byung Yon CHOI ; Soo Ho CHO
Journal of Korean Neurosurgical Society 1997;26(6):830-835
The clinical, radiological and pathological features of nine cases of adult-onset neurological dysfunction secondary to tethered cord were studied. Sixty-seven percent of these patients had symptomatic onset under specific circumstances: additional tugging of the already tight conus, narrowing of the spinal canal, or direct trauma to the buttocks. Pain in the non-dermatomal leg and perineal area was the most common presenting symptom. Progressive sensory-motor deficit in the lower extremities, as well as sphincter dysfunction were also common findings. Unlike in tethered cord syndrome in children, however, foot and spinal deformities were not seen. The surgical outcome was excellent in relation to pain and sensory-motor deficit, but recovery of sphinctor dysfunction was disappointing. Successful treatment depends on early diagnosis and adequate surgical management of the tethered conus.
Buttocks
;
Child
;
Congenital Abnormalities
;
Conus Snail
;
Early Diagnosis
;
Foot
;
Humans
;
Leg
;
Lower Extremity
;
Neural Tube Defects*
;
Spinal Canal