1.Prediction Model for Massive Transfusion in Placenta Previa during Cesarean Section
Jieun KANG ; Hye Sim KIM ; Eun Bi LEE ; Young UH ; Kyoung Hee HAN ; Eun Young PARK ; Hyang Ah LEE ; Dae Ryong KANG ; In Bai CHUNG ; Seong Jin CHOI
Yonsei Medical Journal 2020;61(2):154-160
early intervention. This study aimed to develop a prediction model for transfusion of ≥5 units of packed red blood cells (PRBCs) during cesarean section in women with placenta previa.MATERIALS AND METHODS: We conducted a cohort study including 287 women with placenta previa who delivered between September 2011 and April 2018. Univariate and multivariate logistic regression analyses were used to test the association between clinical factors, ultrasound factors, and massive transfusion. For the external validation set, we obtained data (n=50) from another hospital.RESULTS: We formulated a scoring model for predicting transfusion of ≥5 units of PRBCs, including maternal age, degree of previa, grade of lacunae, presence of a hypoechoic layer, and anterior placentation. For example, total score of 223/260 had a probability of 0.7 for massive transfusion. Hosmer-Lemeshow goodness-of-fit test indicated that the model was suitable (p>0.05). The area under the receiver operating characteristics curve (AUC) was 0.922 [95% confidence interval (CI) 0.89–0.95]. In external validation, the discrimination was good, with an AUC value of 0.833 (95% CI 0.70–0.92) for this model. Nomogram calibration plots indicated good agreement between the predicted and observed outcomes, exhibiting close approximation between the predicted and observed probability.CONCLUSION: We constructed a scoring model for predicting massive transfusion during cesarean section in women with placenta previa. This model may help in determining the need to prepare an appropriate amount of blood products and the optimal timing of blood transfusion.]]>
Area Under Curve
;
Blood Transfusion
;
Calibration
;
Cesarean Section
;
Cohort Studies
;
Discrimination (Psychology)
;
Early Intervention (Education)
;
Erythrocytes
;
Female
;
Humans
;
Logistic Models
;
Maternal Age
;
Nomograms
;
Placenta Previa
;
Placenta
;
Placentation
;
Postpartum Hemorrhage
;
Pregnancy
;
ROC Curve
;
Ultrasonography
2.Time-Dependent Changes of Urethral Function in Diabetes Mellitus: A Review
Nailong CAO ; Baojun GU ; Daisuke GOTOH ; Naoki YOSHIMURA
International Neurourology Journal 2019;23(2):91-99
This article reviewed the current knowledge on time-course manifestation of diabetic urethral dysfunction (DUD), and explored an early intervention target to prevent the contribution of DUD to the progression of diabetes-induced impairment of the lower urinary tract (LUT). In the literature search through PubMed, key words used included “diabetes mellitus,” “diabetic urethral dysfunction,” and “diabetic urethropathy.” Polyuria and hyperglycemia induced by diabetes mellitus (DM) can cause the time-dependent changes in functional and morphological manifestations of DUD. In the early stage, it promotes urethral dysfunction characterized by increased urethral pressure during micturition. However, the detrusor muscle of the bladder tries to compensate for inducing complete voiding by increasing the duration and amplitude of bladder contractions. As the disease progresses, it can induce an impairment of coordinated micturition due to dyssynergic activity of external urethra sphincter, leading to detrusor-sphincter dyssynergia. The impairment of relaxation mechanisms of urethral smooth muscles (USMs) may additionally be attributable to decreased responsiveness to nitric oxide, as well as increased USM responsiveness to α1-adrenergic receptor stimulation. In the late stage, diabetic neuropathy may play an important role in inducing LUT dysfunction, showing that the decompensation of the bladder and urethra, which can cause the decrease of voiding efficiency and the reduced thickness of the urothelium and the atrophy of striated muscle bundles, possibly leading to the vicious cycle of the LUT dysfunction. Further studies to increase our understandings of the functional and molecular mechanisms of DUD are warranted to explore potential targets for therapeutic intervention of DM-induced LUT dysfunction.
Ataxia
;
Atrophy
;
Diabetes Mellitus
;
Diabetic Neuropathies
;
Early Intervention (Education)
;
Hyperglycemia
;
Lower Urinary Tract Symptoms
;
Muscle, Smooth
;
Muscle, Striated
;
Nitric Oxide
;
Polyuria
;
Relaxation
;
Urethra
;
Urinary Bladder
;
Urinary Tract
;
Urination
;
Urothelium
3.Twenty-one-year follow-up of variable onset MELAS syndrome with heteroplasmic nt3243A>G mtDNA mutation: A case report
Wung Joo SONG ; Yoon Jin LEE ; Joon Won KANG ; Mea Young CHANG ; Kyu Sang SONG ; Dae Young KANG ; Sook Za KIM
Journal of Genetic Medicine 2019;16(1):31-38
Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS) syndrome is a maternally inherited mitochondrial disorder of which m.3243A>G is the most commonly associated mutation, resulting in an inability to meet the energy requirements of various organs. MELAS poses a diagnostic challenge owing to its multiple organ involvement and great clinical variability due to its heteroplasmic nature. We report three cases from a family who were initially misdiagnosed with myasthenia gravis or undiagnosed. Although there is no optimal consensus treatment approach for patients with MELAS because of the disease's heterogeneity, our 21-year-long therapy regimen of l-arginine, l-carnitine, and coenzyme Q10 supplementation combined with dietary management appeared to provide noticeable protection from the symptoms and complications. Prompt early diagnosis is important, as optimal multidisciplinary management and early intervention may improve outcomes.
Acidosis, Lactic
;
Arginine
;
Carnitine
;
Consensus
;
DNA, Mitochondrial
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Early Diagnosis
;
Early Intervention (Education)
;
Follow-Up Studies
;
Humans
;
MELAS Syndrome
;
Mitochondrial Diseases
;
Myasthenia Gravis
;
Population Characteristics
4.Plasma Levels of K18 Fragments Do Not Correlate with Alcoholic Liver Fibrosis.
Viola SCHLOSSBERGER ; Mathias WORNI ; Christina KIHM ; Matteo MONTANI ; Christian DATZ ; Jochen HAMPE ; Felix STICKEL
Gut and Liver 2019;13(1):77-82
BACKGROUND/AIMS: Noninvasive markers of liver fibrosis in alcoholic liver disease (ALD) are crucial to establish early intervention. Previous studies have suggested that plasma levels of cleaved keratin-18 (K18; M30) fragments can predict the severity of liver disease. The aim of this study was to correlate plasma M30 levels with stages of liver fibrosis in ALD. METHODS: Patients with ALD (n=139, 79.1% males) and liver histology were included, and plasma samples were collected to quantify plasma M30 levels. Patients were stratified into five groups by fibrosis stage (F0=14; F1=15; F2=35; F3=17; and F4=58) according to the Kleiner score. Differences between groups were evaluated using the chi-square test or analysis of variance. Trends by fibrosis stage were calculated by logistic regression analysis, and sensitivity, specificity and positive and negative predictive values were determined. RESULTS: There were no significant differences in M30 levels among fibrosis stages. The correlation between plasma M30 levels and fibrosis was poor (Pearson’s correlation coefficient=0.13, Spearman rho=0.20 [p=0.02]), and M30 levels did not correlate with alcohol-specific histological features. However, significant correlations of M30 levels with aspartate aminotransferase (Spearman rho=0.653, p < 0.001) and alanine aminotransferase (Spearman rho=0.432, p < 0.001) were found. M30 levels of >200 U/L reveal a sensitivity for predicting cirrhosis of 84.5% with a negative predictive value of 73.5%. CONCLUSIONS: Plasma M30 levels are often elevated in ALD and correlate with serum transaminases but do not reflect fibrosis. The usefulness as a prognostic marker awaits evaluation in prospective studies.
Alanine Transaminase
;
Alcoholics*
;
Apoptosis
;
Aspartate Aminotransferases
;
Caspases
;
Early Intervention (Education)
;
Fibrosis
;
Humans
;
Keratin-18
;
Liver Cirrhosis*
;
Liver Diseases
;
Liver Diseases, Alcoholic
;
Liver*
;
Logistic Models
;
Plasma*
;
Prospective Studies
;
Sensitivity and Specificity
;
Transaminases
5.Lennox-Gastaut Syndrome in Mitochondrial Disease.
Soonie LEE ; Min Seong BAEK ; Young Mock LEE
Yonsei Medical Journal 2019;60(1):106-114
PURPOSE: Previous studies have shown that neurologic symptoms are dominant in patients with mitochondrial diseases, and most of these patients have seizure-related disorders. The epileptic classification of these patients as Lennox-Gastaut syndrome (LGS) is as high as 25%. This study aimed to investigate the clinical manifestations, diagnoses, treatments, and epilepsy in LGS, which is associated with mitochondrial disease. MATERIALS AND METHODS: A retrospective study was conducted on 372 patients who were diagnosed with mitochondrial disease between 2006 and 2016. Of these 372 patients, 40 patients diagnosed with LGS were selected, and they were classified into two groups based on the history of West syndrome. Patient characteristics were reviewed, and associations between clinical factors and outcomes after the treatment were analyzed. RESULTS: The proportion of individuals with mitochondrial disease with LGS with a history of West syndrome was 32.5%. Among the patients with mitochondrial disease with LGS, neonatal seizure (p=0.029), seizure as the first symptom (p=0.018), and generalized paroxysmal fast activity frequency on electroencephalogram (p=0.018) in the group with a history of West syndrome were statistically significantly high. The first symptom onset (0.6±0.4 yrs vs. 1.6±0.9 yrs, p=0.003) and first seizure onset (0.9±0.7 yrs vs. 3.9±3.1 yrs, p < 0.001) were significantly faster in patients with a history of West syndrome. CONCLUSION: Close monitoring of the medical condition and early intervention might improve the prognosis of individuals with mitochondrial disease with LGS and a history of West syndrome.
Child
;
Classification
;
Diagnosis
;
Early Intervention (Education)
;
Electroencephalography
;
Epilepsy
;
Humans
;
Infant
;
Infant, Newborn
;
Mitochondrial Diseases*
;
Neurologic Manifestations
;
Prognosis
;
Retrospective Studies
;
Seizures
;
Spasms, Infantile
6.Mechanisms by Which Atopic Dermatitis Predisposes to Food Allergy and the Atopic March.
Elizabeth Huiwen THAM ; Donald Y M LEUNG
Allergy, Asthma & Immunology Research 2019;11(1):4-15
The Atopic march denotes the progression from atopic dermatitis (AD) to the development of other allergic disorders such as immunoglobulin (Ig) E-mediated food allergy, allergic rhinitis and asthma in later childhood. There is increasing evidence from prospective birth cohort studies that early-onset AD is a risk factor for other allergic diseases or is found in strong association with them. Animal studies now provide mechanistic insights into the pathways that may be responsible for triggering the progression from the skin barrier dysfunction seen in AD to epicutaneous sensitization, food allergy and allergic airway disorders. Recent large randomized controlled trials have demonstrated the efficacy of early interventions targeted at AD and food allergy prevention. These show great promise for research into future strategies aimed at prevention of the atopic march.
Animals
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Asthma
;
Cohort Studies
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Dermatitis, Atopic*
;
Early Intervention (Education)
;
Food Hypersensitivity*
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Immunoglobulins
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Parturition
;
Prospective Studies
;
Rhinitis, Allergic
;
Risk Factors
;
Skin
7.Protective effect of early intervention with lipoxin A4 on septic mice.
Xing-Yun LIN ; Li-Li GAO ; Ming WU ; Tong ZHAO ; Dong-Lin SHEN
Chinese Journal of Contemporary Pediatrics 2019;21(6):601-606
OBJECTIVE:
To study the effect of early intervention with lipoxin A4 (LXA4) on septic mice.
METHODS:
Healthy male Balb/c mice aged 6-8 weeks were randomly divided into sham-operation group, sepsis group, 1-hour intervention group (intervention at 1 hour after sepsis), and 6-hour intervention group (intervention at 6 hours after sepsis) (n=8 each). A sepsis model was prepared by cecal ligation and puncture. The intervention groups received LXA4 at 0.01 μg/g body weight 1 or 6 hours after the model was established. Blood was taken from eyeballs at 24 hours after operation. Peritoneal lavage fluid and liver and lung tissue samples were collected. The bacterial colonies of whole blood and peritoneal lavage fluid were counted by dilution plating. The serum levels of tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and monocyte chemoattractant protein-1 (MCP-1) were determined by cytometric bead array. The serum level of high mobility group box-1 (HGMB1) was determined using ELISA. The percentages of macrophages and neutrophils in peritoneal lavage fluid were determined by flow cytometry. Paraffin sectioning and hematoxylin-eosin staining were performed for the liver and lung tissue samples to observe pathological damage.
RESULTS:
Compared with the sham-operation group, the sepsis group had a significantly decreased percentage of macrophages and a significantly increased percentage of neutrophils in peritoneal lavage fluid (P<0.05), as well as significantly increased serum levels of IL-6, TNF-α, MCP-1, and HMGB1 (P<0.05); in addition, the sepsis group showed more vacuolar degeneration, hepatocyte swelling, and inflammatory cell infiltration in liver tissue, and more capillary congestion, pulmonary septal thickening, inflammatory cell infiltration, and partial tissue destruction in lung tissue. Compared with the sepsis group, the 1-hour and 6-hour intervention groups had a significantly increased percentage of macrophages in peritoneal lavage fluid (P<0.05) and significantly reduced bacterial load in whole blood (P<0.05), serum levels of IL-6, TNF-α, MCP-1, and HMGB1 (P<0.05), and degree of liver and lung tissue damage and inflammatory cell infiltration, but there was no significant difference in the percentage of neutrophils and bacterial load in peritoneal lavage fluid (P>0.05). Compared with the 6-hour intervention group, the 1-hour intervention group had a significantly decreased serum level of HMGB1 (P<0.05), but there was no significant difference in other indicators between the two groups (P>0.05).
CONCLUSIONS
Early intervention with LXA4 may attenuate liver and lung injuries in septic mice, which may be explained by the decrease in serum levels of IL-6, TNF-α, MCP-1, and HMGB1, and it also may reduce the bacterial dissemination in the whole blood of septic mice, which may be explained by the increase in the percentage of peritoneal macrophages.
Animals
;
Early Intervention (Education)
;
Interleukin-6
;
Lipoxins
;
Male
;
Mice
;
Sepsis
;
Tumor Necrosis Factor-alpha
8.The Korean Version of the Theory of Mind Test and the Early Development of the Theory of Mind in Children with Cochlear Implant
Young Mi CHOI ; Hee Hwa KIM ; Sung Wook JEONG ; Lee Suk KIM
Korean Journal of Otolaryngology - Head and Neck Surgery 2019;62(2):82-88
BACKGROUND AND OBJECTIVES: Theory of Mind (ToM) refers to the ability humans have for recognizing the mental states of others and for predicting or explaining other people’s behavior. ToM is an essential ability people have for living with other people because it influences social relations, and the deaf children have been reported to have problems in ToM. As there are no ToM assessment tools in Korea, the purpose of this study was to establish such a version and to examine the early development of ToM of children with cochlear implant (CI). SUBJECTS AND METHOD: The original tools for ToM assessment were translated in Korean and the reliability and validity of the Korean version of ToM assessment tools were investigated with fifty normal hearing (NH) children. The early development of ToM of sixteen children with CI was compared with that of age-matched children with NH. RESULTS: The reliability of Korean version of ToM assessment tools was determined by tests for internal consistency and test-retest reliability. The validity of the tools was also evaluated by the tests for criterion-related validity and concurrent validity. There was no significant difference in ToM between children with CI and those with NH. CONCLUSION: The Korean version of ToM assessment tools was established and the assessment showed that the early development of ToM of deaf children, who received early intervention using CI, was comparable to that of NH children.
Child
;
Cochlear Implants
;
Early Intervention (Education)
;
Hearing
;
Humans
;
Korea
;
Methods
;
Reproducibility of Results
;
Theory of Mind
9.Iron deficiency anemia as a predictor of coronary artery abnormalities in Kawasaki disease
Sohyun KIM ; Lucy Youngmin EUN
Korean Journal of Pediatrics 2019;62(8):301-306
PURPOSE: Coronary artery abnormalities (CAA) are the most important complications of Kawasaki disease (KD). Iron deficiency anemia (IDA) is a prevalent micronutrient deficiency and its association with KD remains unknown. We hypothesized that presence of IDA could be a predictor of CAA. METHODS: This retrospective study included 173 KD patients, divided into 2 groups according to absence (group 1) and presence (group 2) of CAA. Odds ratios (ORs) with 95% confidence intervals (CIs) were calculated using a logistic regression model to estimate the association between CAA and other indicators. Due to collinearity between indicators of IDA, each indicator was paired with anemia in 3 models. RESULTS: Serum iron, iron saturation, and ferritin concentration, the 3 indicators of IDA, were significantly higher in group 1 than in group 2. Three sets of models including anemia with iron indicators produced the OR of CAA of 3.513, 3.171, and 2.256, respectively. The 3 indicators of IDA were negatively associated with CAA, by OR of 0.965, 0.914, and 0.944, respectively. The areas under the curve (AUCs) of ferritin concentration, iron saturation, serum iron, anemia, and Kobayashi score were 0.907 (95% CI, 0.851–0.963), 0.729 (95% CI, 0.648–0.810), 0.711 (95% CI, 0.629–0.793), 0.638 (95% CI, 0.545–0.731), and 0.563 (95% CI, 0.489–0.636), respectively. CONCLUSION: Indicators of IDA, especially ferritin, were highly associated with CAA; therefore, they were stronger predictors of CAA than Kobayashi scores. IDA indicators can be used to predict CAA development and to suggest requirements for early interventions.
Anemia
;
Anemia, Iron-Deficiency
;
Coronary Vessels
;
Early Intervention (Education)
;
Ferritins
;
Humans
;
Iron
;
Logistic Models
;
Micronutrients
;
Mucocutaneous Lymph Node Syndrome
;
Odds Ratio
;
Retrospective Studies
10.Predicting Symptomatic and Functional Improvements over 1 Year in Patients with First-Episode Psychosis Using Resting-State Electroencephalography
Rinvil RENALDI ; Minah KIM ; Tak Hyung LEE ; Yoo Bin KWAK ; Andi J TANRA ; Jun Soo KWON
Psychiatry Investigation 2019;16(9):695-703
OBJECTIVE: Although early intervention from the beginning of a psychotic episode is essential for a better prognosis, biomarkers predictive of symptomatic and functional improvement in early psychotic disorders are lacking. This study aimed to investigate whether the spectral power of resting-state electroencephalography (EEG) can be used as a predictive marker of the 1-year prognosis in patients with first-episode psychosis (FEP). METHODS: Twenty-four patients with FEP and matched healthy control (HC) subjects were examined with resting-state EEG at baseline. The symptomatic severity and functional status of FEP patients were assessed at baseline and reassessed after 1 year of usual treatment. Repeated measures analysis of variance was conducted to compare EEG spectral powers across the groups. Multiple regression analysis revealed EEG spectral powers predictive of symptomatic and functional improvement in FEP patients at the 1-year follow-up. RESULTS: Delta band power in the frontal and posterior regions was significantly higher in patients with FEP than in HCs. Higher delta band power in the posterior region predicted later improvement of positive symptoms and general functional status. Lower delta band power in the frontal region predicted improvement of negative symptoms and general functioning after 1 year. CONCLUSION: These results suggest that increased delta absolute power is observed from the beginning of psychotic disorders. Furthermore, decreased delta power in the frontal region and increased delta power in the posterior region might be used as a predictive marker of a better prognosis of FEP, which would aid early intervention in clinical practice.
Biomarkers
;
Early Intervention (Education)
;
Electroencephalography
;
Follow-Up Studies
;
Humans
;
Polytetrafluoroethylene
;
Prognosis
;
Psychotic Disorders

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