1.Characteristics of major depressive disorder according to family history of depression : A CRESCEND-K (Clinical Research Center for Depression in Korea) study.
Seunghee JEONG ; Hyeon Woo YIM ; Youngeun JUNG ; Sunjin JO ; Taeyoun JUN ; Sung Won JUNG ; Minsoo LEE ; Jaemin KIM
Korean Journal of Epidemiology 2008;30(2):272-280
PURPOSE: People with a family history of mood disorder are more likely to have depression. This study compared the characteristics of non-psychotic major depression disorder according to family history of depression. METHOD: Subjects were total of 817 persons recruited for the CRESCEND-K multicenter trial. Characteristics of depression and suicide history of patients with and without a family history of depression were assessed. Family history was determined through self-report. RESULTS: Of 817 participants, 12.4% had a positive family history of depression. Those with family history of depression reported an earlier age at onset of MDD, and more psychiatric comorbidity. Severity of depression and anxiety were not different according to family history of depression. There were no difference in attempted suicide history, number of attempted suicide and age at onset of 1st attempted suicide according to such a family history. CONCLUSION: Patients with family history of depression reported earlier onset of MDD and more history of psychiatric comorbidity.
Anxiety
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Comorbidity
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Depression
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Depressive Disorder, Major
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Humans
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Mood Disorders
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Suicide
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Suicide, Attempted
2.Simplified nonsurgical treatment of peri-implantitis using chlorhexidine and minocycline hydrochloride
SunJin HEO ; Hyun Joo KIM ; Ji Young JOO ; Juyoun LEE ; Sung Jo KIM ; Jeomil CHOI
Journal of Periodontal & Implant Science 2018;48(5):326-333
PURPOSE: The present study investigated the outcomes of a newly-developed, simple, and practical nonsurgical treatment modality suitable for most forms of intrabony defects around failing dental implants using intrasulcular delivery of chlorhexidine solution and minocycline hydrochloride (HCl). METHODS: Forty-five dental implants in 20 patients diagnosed with peri-implantitis were included. At baseline and the study endpoint, the probing pocket depth (PPD), clinical attachment level (CAL), and the presence of bleeding on probing (BOP) at 6 sites around each implant were recorded. The radiographic osseous defect morphology at the mesial or distal proximal aspect of each implant was classified as 1) narrow or wide and 2) shallow or deep. For a comparative analysis of bone changes according to the defect morphology, the distance from the implant shoulder to the most coronal bone-to-implant contact point (DIB) at the mesial and distal aspects of each implant was measured at baseline and the endpoint. Patients were scheduled to visit the clinic every 2–4 weeks for intrasulcular irrigation of chlorhexidine and delivery of minocycline HCl. RESULTS: We observed statistically significant decreases in PPD, CAL, and BOP after treatment. At the endpoint, bone levels increased in all defects, regardless of the osseous morphology of the intrabony defect. The mean DIB change in deep defects was significantly greater than that in shallow defects. Although the mean bone gain in narrow defects was greater than in wide defects, the difference was not statistically significant. CONCLUSIONS: We propose that significant and sustainable improvements in both clinical and radiographic parameters can be expected when intrabony defects around dental implants are managed through a simple nonsurgical approach involving combined intrasulcular chlorhexidine irrigation and local delivery of minocycline HCl.
Anti-Bacterial Agents
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Bone Regeneration
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Chlorhexidine
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Dental Implants
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Hemorrhage
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Humans
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Minocycline
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Peri-Implantitis
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Shoulder
3.Pathogenic and phylogenetic characteristics of non-O157 Shiga toxin-producing Escherichia coli isolates from retail meats in South Korea
June Bong LEE ; Dalmuri HAN ; Hyung Tae LEE ; Seon Mi WI ; Jeong Hoon PARK ; Jung Woo JO ; Young Jae CHO ; Tae Wook HAHN ; Sunjin LEE ; Byunghak KANG ; Hyo Sun KWAK ; Jonghyun KIM ; Jang Won YOON
Journal of Veterinary Science 2018;19(2):251-259
Herein, we report the pathogenic and phylogenetic characteristics of seven Shiga toxin (Stx)-producing Escherichia coli (STEC) isolates from 434 retail meats collected in Korea during 2006 to 2012. The experimental analyses revealed that all isolates (i) were identified as non-O157 STEC, including O91:H14 (3 isolates), O121:H10 (2 isolates), O91:H21 (1 isolate), and O18:H20 (1 isolate), (ii) carried diverse Stx subtype genes (stx₁, stx(2c), stx(2e), or stx₁ + stx(2b)) whose expression levels varied strain by strain, and (iii) lacked the locus of enterocyte effacement (LEE) pathogenicity island, a major virulence factor of STEC, but they possessed one or more alternative virulence genes encoding cytotoxins (Cdt and SubAB) and/or adhesins (Saa, Iha, and EcpA). Notably, a significant heterogeneity in glutamate-induced acid resistance was observed among the STEC isolates (p < 0.05). In addition, phylogenetic analyses demonstrated that all three STEC O91:H14 isolates were categorized into sequence type (ST) 33, of which two beef isolates were identical in their pulsotypes. Similar results were observed with two O121:H10 pork isolates (ST641; 88.2% similarity). Interestingly, 96.0% of the 100 human STEC isolates collected in Korea during 2003 to 2014 were serotyped as O91:H14, and the ST33 lineage was confirmed in approximately 72.2% (13/18 isolates) of human STEC O91:H14 isolates from diarrheal patients.
Cytotoxins
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Enterocytes
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Escherichia coli
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Genomic Islands
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Humans
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Korea
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Meat
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Population Characteristics
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Red Meat
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Shiga Toxin
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Shiga-Toxigenic Escherichia coli
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Virulence
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Virulence Factors