1.Morphometric study of the calculus and periodontal tissues adhered to the root surfaces in periodontitis.
The Journal of the Korean Academy of Periodontology 1997;27(3):621-631
To verify the effect of subgingival calculus on the periodontal tissues in periodontitis and the effectiveness of supragingival scaling to remove the calculus, 30 teeth from healthy group (Probing pocket depth:PPD< or =mm: HP group), 15 teeth from moderate group (4< or =PD<7mm: MP group), 30 teeth from advanced group (PPD>7mm: AP group) were selected and supragingival scaling was performed before extraction of all experimental teeth. After careful extraction, the teeth were cleaned with saline and disclosed with toluidine blue and carefully examined the relationship and distance between the calculus attached on the root surface and periodontal tissues. As a result, it was; 1. The calculus was not discovered on the root surface of teeth in HP group, but was in MP and AP group, mostly on interproximal surface and furca area. The shape of the attached calculus was ovoid, trepazoid and polygonal and the calculus was distributed randomly over the root surface. 2. PPD was more than the distance between the gingival margin to the level of attached connective tissue in AP group rather than in HP and MP group. 3. The length of calculus was 2.7mm+/-.44mm in HP group and 4.1+/-.89in AP group. 4. The distance between the apical margin of calculus and the level of attached connective tissue was 2.4+/-.33mm in MP group and 3.4+/-.89mm in AP group. 5. The length of subgingival calculus was tended to increase in relation to the probing pocket depth. Therefore, it can be concluded, the calculus in periodontal pocket can not be removed completely with supragingival scaling. As the terminal part of calculus was far away with limited distance from the periodontal tissue, it can be said that the calculus was not a direct factor in destroying the periodontal tissue. In this study, the extent of the plaque was not verified but the location of calculus can be used in clinical practice for complete removal of calculus when the distance relation bewteen calculus and plaque will be known.
Calculi*
;
Connective Tissue
;
Dental Scaling
;
Periodontal Pocket
;
Periodontitis*
;
Tolonium Chloride
;
Tooth
2.Aneurysmal Subarachnoid Hemorrhage Associated with Achondroplasia: Case Report.
Jong Yun CHONG ; Seung Ku LEE ; Hyeong Joong YI ; Kwang Myung KIM ; Yong KO ; Suck Jun OH
Korean Journal of Cerebrovascular Surgery 2006;8(4):287-289
Patients with achondroplasia manifest various neurologic symptoms including megaencephaly, hydrocephalus, and progressive myelopathy or radiculopathy secondary to spinal stenosis. However, only anecdotal postmortem reports proved ruptured aneurysm or vascular malformation as a source of intracranial hemorrhage. We herein report a case of a 26-year-old woman with achondroplasia who underwent uneventful surgical treatment for the aneurysmal subarachnoid hemorrhage. In this literature, we review the pathophysiologic mechanism and emphasize the necessity of considering the possibility of sudden mental deterioration in achondroplastic patient.
Achondroplasia*
;
Adult
;
Aneurysm*
;
Aneurysm, Ruptured
;
Female
;
Humans
;
Hydrocephalus
;
Intracranial Aneurysm
;
Intracranial Hemorrhages
;
Neurologic Manifestations
;
Radiculopathy
;
Spinal Cord Diseases
;
Spinal Stenosis
;
Subarachnoid Hemorrhage*
;
Vascular Malformations
3.A clinical study on 24 cases of renal transplantation.
Seung Hun SHIN ; Min Soo JEONG ; Sunn Kgoo RHEE ; Jeong Ho LEE ; Gang Wook YI ; Young Tai SHIN ; Ki Sub SON ; Wan Hee YOON ; Chong Koo SUL
Korean Journal of Nephrology 1991;10(3):401-411
No abstract available.
Kidney Transplantation*
4.The Study of the Dry Cough Incidence Rate about Imidapril, the Angiotensin Converting Enzyme Inhibitor.
Seung Bai LEE ; Tae Young KO ; Kyung Suk OH ; Jae Sik KWAG ; Byung Sun CHUNG ; Kyu Rak YI ; Nam Ho CHOI ; Jae Yong LEE ; Chong Soon KIM
Korean Circulation Journal 1998;28(7):1154-1160
BACKGROUND AND OBJECTIVES: Imidapril, one of the ACE inhibitor, has been used to treate hypertension, congestive heart failure, diabetes mellitus and renal disease. ACE inhibitor, however often causes dry cough and this adverse effect affects the compliance rate negatively. This report aimed to examine the incidence rate of coughing caused by Imidapril treat-ment. And we compared the results with the incidence and tendency of dry cough caused by the other ACE inhibitors. MATERIALS AND METHOD: This study enrolled 38 patients who followed up at internal medicine and took Imidapril from the period of May 9, 1997 to December 17, 1997. We tested its effectiveness, safety and tolerance. The initial dosage of it was 5mg/day and the maximum dosage according to blood pressure was 10mg/day for 8 weeks. The tendency and the incidence of dry cough have been analyzed and compared with recently published Korean reports. RESULTS: The 5 mg dosage of Imidapril showed 68.1% in lowering blood pressure rate and it went up to 81.8% during the 8 weeks treatment perriod. The blood pressure regularity rate was 36.3% after the 8 weeks treatment. The overall rate of adverse effect occurrence was 26.1% (6/23) and 8.7% of them were likely to cough. One of the patients who showed nausea stopped medication. The recent articles reported that the incidence of dry cough had been reduced: Enalapril (33.8%), Fosinopril (16%), Ramipril (15%), Imidapril (7.8 - 8.7%), Losartan (4.3%). CONCLUSION: Imidapril is as safe and effective as other ACE inhibitors. Various ACE inhibitors that were newly developed show their effectiveness in lessening incidence rate of dry cough, and Imidapril is thought to be an excellent drug for this matter. Even though Losartan shows the lowest incidence rate of dry cough, it needs to more regular usages since it is still on the stage of its medical adaptation.
Angiotensin-Converting Enzyme Inhibitors
;
Angiotensins*
;
Blood Pressure
;
Compliance
;
Cough*
;
Diabetes Mellitus
;
Enalapril
;
Fosinopril
;
Heart Failure
;
Humans
;
Hypertension
;
Incidence*
;
Internal Medicine
;
Losartan
;
Nausea
;
Peptidyl-Dipeptidase A*
;
Ramipril
5.Extravasation from the Distal Anterior Choroidal Artery Aneurysm in Moyamoya Patient during Computed Tomographic Angiography.
Jong Yun CHONG ; Hyeong Joong YI ; Kwang Myung KIM ; Seung Ro LEE
Journal of Korean Neurosurgical Society 2007;41(5):340-342
Three-dimensional computed tomographic angiography (CTA), a representative noninvasive radiologic technique, is being widely used for detecting vascular lesions in specific intracranial bleeding under a certain circumstance (acute nontraumatic subarachnoid hemorrhage). We encountered a case of extravasation of the contrast medium on CTA images that appeared as ribbon-like high-attenuation lesion from an aneurysm at the distal anterior choroidal artery in a young adult moyamoya patient. As CTA is used more frequently, it is imperative to understand such unusual but, potentially lethal image findings to conduct a prompt intervention.
Aneurysm*
;
Angiography*
;
Arteries*
;
Choroid*
;
Hemorrhage
;
Humans
;
Moyamoya Disease
;
Young Adult
6.The differences of fetal heart rate according to fetal sex.
Young LEE ; Eun Jeong BAIK ; Jong Chul SHIN ; Dae Young CHUNG ; Soo Pyung KIM ; Chang Yee KIM ; Hee Bong MOON ; Chong Seung YI
Korean Journal of Obstetrics and Gynecology 2000;43(1):38-42
OBJECTIVES: The purpose of this study is to analyze the previously unreported effect of fetal sex on the fetal heart rate and to measure its magnitude in relation to the effects of other independent clinical variables. METHODS: Three hundred and seventeen pregnant women who were able to provide electronic fetal heart rate monitoring were evaluated. On the basis of fetal sex after birth, 167 pregnant women who delivered male neonate were for males group and 146 examples who delivered female neonate were for female group. We analyzed fetal heart rate data using the Catholic Computer Assisted Obstetric Diagnosis System(CCAOD). RESULTS: Female fetuses had significantly faster basal heart rate(140.51+/-12.43bpm) than male fetuses(137.64+/-13.68 bpm).(P=0.007) Percent acceleration time(PAT) increased significantly for males(6.10+/-4.00bpm), comparing to females(4.90+/-3.34bpm).(P=0.001) Also percent deceleration time(PDT) was significantly higher in male fetuses(7.50+/-8.70bpm) than female fetuses(6.18+/-7.70bpm).(P=0.039) But there was no differences in standard deviation(SD)(8.84+/-10.11bpm, 8.11+/-3.56bpm), long term variation(LTV)(80.38+/-62.79msec, 73.65+/-54.60msec), and short term variation(STV)(14.06+/-9.79msec, 13.33+/-12.32msec) between male and female fetuses. CONCLUSION: The fetal heart rate of female fetuses differ from that of male fetuses. Computerized linear analysis and nonlinear analysis of antepartum fetal heart rate will need to take into account the multiple factors that influence the fetal heart rate to identify precisely which pattern predict clinical outcome.
Acceleration
;
Deceleration
;
Diagnosis
;
Female
;
Fetal Heart*
;
Fetus
;
Heart
;
Heart Rate, Fetal*
;
Humans
;
Infant, Newborn
;
Male
;
Parturition
;
Pregnancy
;
Pregnant Women
7.A Case of Twin Pregnancy with One Anencephalic Fetus.
Mi Young JEONG ; Jee Hyun LEE ; In Yang PARK ; In KWON ; Hee Bong MOON ; Chong Seung YI ; Jong Chul SHIN ; Jong Gu RHA ; Soo Pyung KIM
Korean Journal of Obstetrics and Gynecology 2002;45(4):709-713
Congenital anomalies occur in 2-3% of neonates but this incidence increases in multiple pregnancies, especially when fetuses are monozygotic. when pregnancies are affected with one anomalous fetus combined to a normal one, the proper management and counseling is difficult.We experienced a twin pregnancy in which one anencephalic fetus was combined to a normal one. Karyotype analysis was normal in both fetus. After close counseling we decided to continue the pregnancy. Intermittent amnioreduction was done for persistent polyhydramnios. At 29 weeks of gestation membrane was ruptured prematurely and we delivered by cesarean section due to breech-cephalic presentation. The birth weight of the normal and anencephalic fetuses were 1070 gm and 1050 gm, respectively. The anencephalic fetus died immediately after birth but the healthy one showed good crying and movement and its Apgar score was 6 in 1 minute and 8 in 5 minute. Although the infant needed intensive care for 90 days in the nursery room finally discharged in good condition. We report a case of twin pregnancy in which anencephaly was associated with a normal fetus, so after close counseling we opted to continue the pregnancy resulting in the delivery of a viable fetus.
Anencephaly
;
Apgar Score
;
Birth Weight
;
Cesarean Section
;
Counseling
;
Crying
;
Female
;
Fetus*
;
Humans
;
Incidence
;
Infant
;
Infant, Newborn
;
Critical Care
;
Karyotype
;
Membranes
;
Nurseries
;
Parturition
;
Polyhydramnios
;
Pregnancy
;
Pregnancy, Multiple
;
Pregnancy, Twin*
;
Twins*
8.A case of false positive amniotic acetylcholinesterase in a normal pregnancy.
Youn Hee KIM ; Jee Hyun LEE ; Hee Bong MOON ; Jun Hwan OH ; Gui Se Ra LEE ; Chong Seung YI ; Jong Chul SHIN ; Soo Pyung KIM
Korean Journal of Obstetrics and Gynecology 2002;45(2):353-356
Maternal serum alpha-fetoprotein (AFP) has been used for a long time for the prenatal diagnosis of neural tube defects in women at midtrimester of gestation. But AFP is elevated not only in cases of neural tube defects, but also in fetus with congenital nephrosis, abdominal wall defects, fetal demise, low birth weight or simply erroneously calculated gestational age. So, when maternal serum AFP is increased, gestational age of the fetus must be re-evaluated and targeted ultrasonographic evaluation is indicated to rule out neural tube defects. If NTDs are suspected or ultrasound is non-diagnostic, amniotic fluid AFP are measured and when AF-AFP is elevated, the presence or absence of acetylcholinesterase should be evaluated. The detection rate of open neural tube defects using amniotic acetylcholiesterase is reported to be as high as 96 to 99% with a 0.06% and 0.14% of false positive rate in amniotic fluids non-contaminated and contaminated by blood, respectively. We report a case with elevated mid-trimester MS-AFP, AF-AFP and positive amniotic acetylcholin-esterase, but in which repeated sonographic findings were normal, and result in delivery of a heathy baby without anomalies.
Abdominal Wall
;
Acetylcholinesterase*
;
alpha-Fetoproteins
;
Amniotic Fluid
;
Female
;
Fetus
;
Gestational Age
;
Humans
;
Infant, Low Birth Weight
;
Infant, Newborn
;
Nephrosis
;
Neural Tube Defects
;
Pregnancy Trimester, Second
;
Pregnancy*
;
Prenatal Diagnosis
;
Ultrasonography
9.A case of false positive amniotic acetylcholinesterase in a normal pregnancy.
Youn Hee KIM ; Jee Hyun LEE ; Hee Bong MOON ; Jun Hwan OH ; Gui Se Ra LEE ; Chong Seung YI ; Jong Chul SHIN ; Soo Pyung KIM
Korean Journal of Obstetrics and Gynecology 2002;45(2):353-356
Maternal serum alpha-fetoprotein (AFP) has been used for a long time for the prenatal diagnosis of neural tube defects in women at midtrimester of gestation. But AFP is elevated not only in cases of neural tube defects, but also in fetus with congenital nephrosis, abdominal wall defects, fetal demise, low birth weight or simply erroneously calculated gestational age. So, when maternal serum AFP is increased, gestational age of the fetus must be re-evaluated and targeted ultrasonographic evaluation is indicated to rule out neural tube defects. If NTDs are suspected or ultrasound is non-diagnostic, amniotic fluid AFP are measured and when AF-AFP is elevated, the presence or absence of acetylcholinesterase should be evaluated. The detection rate of open neural tube defects using amniotic acetylcholiesterase is reported to be as high as 96 to 99% with a 0.06% and 0.14% of false positive rate in amniotic fluids non-contaminated and contaminated by blood, respectively. We report a case with elevated mid-trimester MS-AFP, AF-AFP and positive amniotic acetylcholin-esterase, but in which repeated sonographic findings were normal, and result in delivery of a heathy baby without anomalies.
Abdominal Wall
;
Acetylcholinesterase*
;
alpha-Fetoproteins
;
Amniotic Fluid
;
Female
;
Fetus
;
Gestational Age
;
Humans
;
Infant, Low Birth Weight
;
Infant, Newborn
;
Nephrosis
;
Neural Tube Defects
;
Pregnancy Trimester, Second
;
Pregnancy*
;
Prenatal Diagnosis
;
Ultrasonography
10.Influence of Hepatocyte Growth Factor on its Receptor (c-met) expression and Invasion in HT Cell Line.
Jong Chul SHIN ; Jee Hyun LEE ; Dong Eun YANG ; Min Jeong OH ; Hee Bong MOON ; Young LEE ; Sa Jin KIM ; Chong Seung YI ; Soo Pyung KIM
Korean Journal of Obstetrics and Gynecology 2001;44(8):1507-1513
OBJECTIVE: To evaluate the invasive capacity of trophoblastic cells when treated with HGF, and see whether HGF induces c-met expression in vitro. METHODS: HT cell line was treated with recombinant HGF (rHGF) at different concentrations (0, 10, 50 and 100 ng/mL) and cultured for 24 hours. To evaluate according different time of culture, HT cell line was pre-treated with 50 ng/mL rHGF and cultured for 24, 36, 48 and 72 hours. We analyzed the expression of c-met mRNA using reverse transcriptase-polymerase chain reaction and the expression of c-met protein using western blot in each samples. We also observed cellular invasion capacity through the invasion assay under a microscope and confirmed 72 kDa gelatinase and 92 kDa gelatinase expression patterns by zymography assay. RESULTS: The expressions of c-met mRNA and protein were increased in all concentrations of rHGF, compared with that of normal control although it was not in dose-dependent fashion. In invasion assay, the number of invaded HT cells were increased in dose-dependent fashion, compared with that of normal control. In zymography ssay, the expression of 72 kDa gelatinase was increased in dose-dependent fashion, compared with the control. However, 92 kDa eglatinase was not detected in any studied group. CONCLUSION: These results suggests that HGF might be related to upregulation of trophoblast cell invasiveness by activation of c-met and subsequent induction of 72 kDa gelatinase.
Blotting, Western
;
Cell Line*
;
Hepatocyte Growth Factor*
;
Hepatocytes*
;
Matrix Metalloproteinase 2
;
Matrix Metalloproteinase 9
;
RNA, Messenger
;
Trophoblasts
;
Up-Regulation