Family history of diabetes and risk of atherosclerotic cardiovascular disease in Korean men and women

The importance of family history of type 2 diabetes (FHD) as a risk factor for atherosclerotic cardiovascular disease (ASCVD) remains controversial. A report of diabetes in parents and siblings was used to establish FHD in a cohort of 1,005,230 Koreans aged 30-95 years insured by the National Health Insurance Corporation who had a biennial medical evaluation during 1992-1995. ASCVD morbidity and mortality from 1993 to 2005 were examined in relation to FHD and other ASCVD risk factors. The risk of ischemic heart disease (IHD) increased significantly (19%) in men with FHD but not in women. A strong interaction was observed between FHD and personal history of diabetes for the occurrence of ASCVD; men with both diabetes and FHD were at significantly increased risk of developing IHD, cerebrovascular disease and ASCVD with hazard ratios (HR) of 2.28, 2.07, and 2.12, respectively, compared to those who had neither FHD nor type 2 diabetes. Corresponding risks were 2.64, 2.03, and 2.10 in women, respectively. This study demonstrates that risk of ASCVD is increased among those with diabetes and a family history of diabetes; suggesting that genetic factors associated with occurrence of familial diabetes may increase risk of ASCVD beyond the risk among people without FHD.     

Clinical outcome and toxicity of radiotherapy for inferior vena cava tumor thrombus in HCC patients: A retrospective study

Hepatocellular carcinoma (HCC) involving the inferior vena cava rarely occurs, but its prognosis is extremely poor, with no established treatment to date. This study aimed to analyze the clinical outcome and toxicity of radiotherapy (RT) targeting inferior vena cava tumor thrombus (IVCTT) in HCC patients.From November 2011 to July 2020, medical record of 19 HCC patients who were treated with RT for IVCTT was retrospectively reviewed. RT was delivered using 3-dimensional conformal radiation therapy, intensity-modulated radiation therapy, and stereotactic body radiation therapy. The median radiation dose was 50 Gy (range, 45–55.8 Gy) for intensity-modulated radiation therapy and three-dimensional conformal radiotherapy. Stereotactic body radiation therapy was performed in 5 patients, for a total of 32 Gy in 4 fractions.The median follow-up duration was 8.1 months (range, 3.3–26.5 months). The median overall survival was 9.4 months (range, 3.7–26.5 months), and the 1-year overall survival rate was 37.1%. Eight of 19 patients (42.1%) had extrahepatic metastasis at the start of RT. Six of 11 patients (54.5%) who did not have extrahepatic metastasis at the start of RT showed extrahepatic metastasis after RT. The major cause of death was progression of extrahepatic metastasis (11 patients, 57.9%). The overall response rate of IVCTT for RT was 84.2%, and the local control rate at the time of the last follow-up was 89.4%. After RT, the most common first progression site was the lungs (9 patients, 47.4%). Most toxicities were grade 1 to 2 gastrointestinal (26.3%) and liver enzyme elevation (68.4%). Three patients occurred pulmonary embolism after RT later than 5 months after.RT is a feasible and safe local therapy for IVCTT, with favorable tumor control and acceptable toxicity. Extrahepatic metastasis is the major progression pattern and a leading cause of death in patients treated with RT. The combination of effective systemic therapy with RT may have to be considered.     

A novel assessment of abdominal pseudohernia after thoracolumbar vertebral compression fractures using surface electromyography and ultrasonography: A case report

Rationale:An abdominal pseudohernia is a protrusion of the abdominal wall that there is no actual muscular disruption. This report presents a case in which abdominal muscle activities were accurately and quantitatively measured using ultrasonography (US) and surface electromyography in a patient with abdominal pseudohernia.Patient concerns:A 62-year-old man presented with a marked protrusion on the left abdomen with increasing abdominal pressure.Diagnoses:First, the thickness of the abdominal muscle was measured with US while the patient constantly blew the positive expiratory pressure device. When the force was applied to the abdomen, the mean thickness of the muscle layer on the lesion site was found to be thinner. Second, the activities of the abdominal muscles were measured using surface electromyography by attaching electrodes to 8 channels at the same time. When the same pressure was applied on both sides of the abdomen, more recruitment occurred to compensate for muscle weakness at the lesion site. Through the previous 2 tests, the decrease in muscle activity in the lesion area could be quantitatively evaluated. Third, the denervation of the muscle was confirmed using US-guided needle electromyography.Interventions:The patient in this case was wearing an abdominal binder. In addition, he had been training his abdominal muscles through McGill exercise and breathing exercises such as with a positive expiratory pressure device.Outcomes:The patient was able to understand his symptoms. A follow-up test will be performed to see if there is any improvement.Lessons:By using these outstanding assessment methods, proper diagnosis and rehabilitation treatment strategies can be developed.     

The Potential Application of Mitochondrial Medicine in Toxicologic Poisoning

The advancement of biomolecular techniques has continued to advance in the area of mitochondrial medicine. This has allowed clinicians and researchers to more effectively study the bioenergetics of the mitochondria in various disease states. One potential technique in mitochondrial medicine is the generation of cytoplasmic hybrids. A cytoplasmic hybrid or cybrid are created by introducing mitochondrial DNA (mtDNA) of interest into cells depleted of mtDNA. A cybrid is therefore a hybrid cell that mixes the nuclear genome from one cell with the mitochondrial genes from another cell. Cybrids are currently utilized in mitochondrial research to demonstrate mitochondrial involvement in a wide range of diseases that include diabetes, Parkinson’s disease and inherited diseases. At this time the use of cybrids to study toxicologic poisoning is limited and offers a potential avenue of research in this area.     

Comparison of 1-Year Colectomy Risk Between the US and Korean Patients with Acute Severe Ulcerative Colitis: A Propensity Score Matching Analysis

Digestive Diseases and Sciences - Colectomy risk after acute severe ulcerative colitis (ASUC) has not been compared between Eastern and Western countries. We compared the 1-year colectomy risk...     

BVAS version 3 and BVAS/GPA: standing on the same line?

Clinical Rheumatology - Birmingham vasculitis activity score (BVAS) version 3 (BVAS 3.0) and BVAS/granulomatosis with polyangiitis (BVAS/GPA) are used as indicators of disease activity in...     

Language-specific Dysgraphia in Korean Patients with Right Brain Stroke: Influence of Unilateral Spatial Neglect

The purpose of the present study was to investigate the relationship between Korean language-specific dysgraphia and unilateral spatial neglect in 31 right brain stroke patients. All patients were tested for writing errors in spontaneous writing, dictation, and copying tests. The dysgraphia was classified into visuospatial omission, visuospatial destruction, syllabic tilting, stroke omission, stroke addition, and stroke tilting. Twenty-three (77.4%) of the 31 patients made dysgraphia and 18 (58.1%) demonstrated unilateral spatial neglect. The visuospatial omission was the most common dysgraphia followed by stroke addition and omission errors. The highest number of errors was made in the copying and the least was in the spontaneous writing test. Patients with unilateral spatial neglect made a significantly higher number of dysgraphia in the copying test than those without. We identified specific dysgraphia features such as a right side space omission and a vertical stroke addition in Korean right brain stroke patients. In conclusion, unilateral spatial neglect influences copy writing system of Korean language in patients with right brain stroke.

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Optical Coherence Tomography for the Diagnosis and Evaluation of Human Otitis Media

We report the application of optical coherence tomography (OCT) to the diagnosis and evaluation of otitis media (OM). Whereas conventional diagnostic modalities for OM, including standard and pneumatic otoscopy, are limited to visualizing the surface of the tympanic membrane (TM), OCT effectively reveals the depth-resolved microstructure below the TM with very high spatial resolution, with the potential advantage of its use for diagnosing different types of OM. We examined the use of 840-nm spectral domain-OCT (SD-OCT) clinically, using normal ears and ears with the adhesive and effusion types of OM. Specific features were identified in two-dimensional OCT images of abnormal TMs, compared to images of healthy TMs. Analysis of the A-scan (axial depth scan) identified unique patterns of constituents within the effusions. The OCT images could not only be used to construct a database for the diagnosis and classification of OM but OCT might also represent an upgrade over current otoscopy techniques.

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