1.Fermentation of purple Jerusalem artichoke extract to improve the α-glucosidase inhibitory effect in vitro and ameliorate blood glucose in db/db mice.
Zhiqiang WANG ; Seung Hwan HWANG ; Sun Youb LEE ; Soon Sung LIM
Nutrition Research and Practice 2016;10(3):282-287
BACKGROUND/OBJECTIVES: Jerusalem artichoke has inhibitory activity against α-glucosidase and decreases fasting serum glucose levels, which may be related to its fructan content. The biological activity of fructan can be influenced by the degree of polymerization. Thus, in this study, the inhibitory effects of original and fermented purple Jerusalem artichoke (PJA) on α-glucosidase were compared in vitro. Additionally, the anti-diabetes effect of Lactobacillus plantarum-fermented PJA (LJA) was studied in a non-insulin-dependent diabetes mellitus animal model (C57BIKsJ db/db). MATERIALS/METHODS: The water extract of PJA was fermented by L. plantarum, and two strains of Bacillus subtilis to compare their anti-α-glucosidase activities in vitro by α-glucosidase assays. The anti-diabetes effect of LJA was studied in a non-insulin-dependent diabetes mellitus animal model (C57BIKsJ db/db) for seven weeks. During the experiment, food intake, body weight, and fasting blood glucose were measured every week. At the end of the treatment period, several diabetic parameters and the intestinal α-glucosidase activity were measured. RESULTS: The LJA showed the highest α-glucosidase inhibitory activity in vitro. In the in vivo study, it resulted in a significantly lower blood glucose concentration than the control. Serum insulin and HDL cholesterol levels were significantly higher and the concentrations of triglycerides, non-esterified fatty acids, and total cholesterol were significant lower in mice treated with LJA after seven weeks. In addition, the intestinal α-glucosidase activity was partially inhibited. CONCLUSIONS: These results suggested that LJA regulates blood glucose and has potential use as a dietary supplement.
Animals
;
Bacillus subtilis
;
Blood Glucose*
;
Body Weight
;
Cholesterol
;
Cholesterol, HDL
;
Diabetes Mellitus
;
Diabetes Mellitus, Type 2
;
Dietary Supplements
;
Eating
;
Fasting
;
Fatty Acids
;
Fermentation*
;
Helianthus*
;
In Vitro Techniques*
;
Insulin
;
Lactobacillus
;
Lactobacillus plantarum
;
Mice*
;
Models, Animal
;
Polymerization
;
Polymers
;
Triglycerides
;
Water
2.Fermentation of purple Jerusalem artichoke extract to improve the α-glucosidase inhibitory effect in vitro and ameliorate blood glucose in db/db mice.
Zhiqiang WANG ; Seung Hwan HWANG ; Sun Youb LEE ; Soon Sung LIM
Nutrition Research and Practice 2016;10(3):282-287
BACKGROUND/OBJECTIVES: Jerusalem artichoke has inhibitory activity against α-glucosidase and decreases fasting serum glucose levels, which may be related to its fructan content. The biological activity of fructan can be influenced by the degree of polymerization. Thus, in this study, the inhibitory effects of original and fermented purple Jerusalem artichoke (PJA) on α-glucosidase were compared in vitro. Additionally, the anti-diabetes effect of Lactobacillus plantarum-fermented PJA (LJA) was studied in a non-insulin-dependent diabetes mellitus animal model (C57BIKsJ db/db). MATERIALS/METHODS: The water extract of PJA was fermented by L. plantarum, and two strains of Bacillus subtilis to compare their anti-α-glucosidase activities in vitro by α-glucosidase assays. The anti-diabetes effect of LJA was studied in a non-insulin-dependent diabetes mellitus animal model (C57BIKsJ db/db) for seven weeks. During the experiment, food intake, body weight, and fasting blood glucose were measured every week. At the end of the treatment period, several diabetic parameters and the intestinal α-glucosidase activity were measured. RESULTS: The LJA showed the highest α-glucosidase inhibitory activity in vitro. In the in vivo study, it resulted in a significantly lower blood glucose concentration than the control. Serum insulin and HDL cholesterol levels were significantly higher and the concentrations of triglycerides, non-esterified fatty acids, and total cholesterol were significant lower in mice treated with LJA after seven weeks. In addition, the intestinal α-glucosidase activity was partially inhibited. CONCLUSIONS: These results suggested that LJA regulates blood glucose and has potential use as a dietary supplement.
Animals
;
Bacillus subtilis
;
Blood Glucose*
;
Body Weight
;
Cholesterol
;
Cholesterol, HDL
;
Diabetes Mellitus
;
Diabetes Mellitus, Type 2
;
Dietary Supplements
;
Eating
;
Fasting
;
Fatty Acids
;
Fermentation*
;
Helianthus*
;
In Vitro Techniques*
;
Insulin
;
Lactobacillus
;
Lactobacillus plantarum
;
Mice*
;
Models, Animal
;
Polymerization
;
Polymers
;
Triglycerides
;
Water
3.Perioperative Complications of Orthopedic Surgery for Lower Extremity in Patients with Cerebral Palsy.
Seung Yeol LEE ; Hye Min SOHN ; Chin Youb CHUNG ; Sang Hwan DO ; Kyoung Min LEE ; Soon Sun KWON ; Ki Hyuk SUNG ; Sun Hyung LEE ; Moon Seok PARK
Journal of Korean Medical Science 2015;30(4):489-494
Because complications are more common in patients with cerebral palsy (CP), surgeons and anesthesiologists must be aware of perioperative morbidity and be prepared to recognize and treat perioperative complications. This study aimed to determine the incidence of and risk factors for perioperative complications of orthopedic surgery on the lower extremities in patients with CP. We reviewed the medical records of consecutive CP patients undergoing orthopedic surgery. Medical history, anesthesia emergence time, intraoperative body temperature, heart rate, blood pressure, immediate postoperative complications, Gross Motor Function Classification System (GMFCS) level, Cormack-Lehane classification, and American Society of Anesthesiologists physical status classification were analyzed. A total of 868 patients was included. Mean age at first surgery was 11.8 (7.6) yr. The incidences of intraoperative hypothermia, absolute hypotension, and absolute bradycardia were 26.2%, 4.4%, and 20.0%, respectively. Twenty (2.3%) patients had major complications, and 35 (4.0%) patients had minor complications postoperatively. The incidences of intraoperative hypothermia, absolute hypotension, and major postoperative complications were significantly higher in patients at GMFCS levels IV and V compared with patients at GMFCS levels I to III (P<0.001). History of pneumonia was associated with intraoperative absolute hypotension and major postoperative complications (P<0.001). These results revealed that GMFCS level, patient age, hip reconstructive surgery, and history of pneumonia are associated with adverse effects on intraoperative body temperature, the cardiovascular system, and immediate postoperative complications.
Adolescent
;
Adult
;
Cerebral Palsy/*complications
;
Child
;
Child, Preschool
;
Female
;
Humans
;
Intraoperative Complications/*etiology
;
Lower Extremity/*surgery
;
Male
;
Middle Aged
;
Orthopedic Procedures/*adverse effects
;
Postoperative Complications/*etiology
4.Time points for obtaining representative values of 24-hour blood pressure in chronic kidney disease.
Jiwon RYU ; Ran Hui CHA ; Dong Ki KIM ; Ju Hyun LEE ; Sun Ae YOON ; Dong Ryeol RYU ; Jieun OH ; Sejoong KIM ; Sang Youb HAN ; Eun Young LEE ; Yon Su KIM
The Korean Journal of Internal Medicine 2015;30(5):665-674
BACKGROUND/AIMS: Ambulatory blood pressure (BP) monitoring has been widely recommended for evaluating the status of BP, but is lacking in practicality. Determination of the specific time points for BP measurement that are representative of 24-hour mean BP could be useful and convenient in hypertensive patients with chronic kidney disease (CKD). METHODS: A total of 1,317 patients for whom 24-hour ambulatory BP monitoring was performed were enrolled in a multicenter study on hypertensive CKD. We analyzed the time points at which systolic blood pressure (SBP) values exhibited the smallest differences from 24-hour mean SBP (mSBP). We included office mSBP and analyzed the relationships between SBPs at the office and the time points with the smallest differences from 24-hour mSBP using several methods. RESULTS: The time points with the smallest differences from 24-hour mSBP were 7:00 AM, 2:00 PM, and 9:30 PM. In regression analysis, SBPs at 7:00 AM and 9:30 PM were better correlated with 24-hour mSBP than SBPs at 2:00 PM and the office. The proportions of patients with SBPs within 30% of 24-hour mSBP were higher at 7:00 AM and 9:30 PM. The best consistency between the uncontrolled hypertensive groups, defined as > or = 135 mmHg of 24-hour mSBP and higher values of SBPs corresponding to 135 mmHg of 24-hour mSBP, were observed at the 7:00 AM and 9:30 PM time points. CONCLUSIONS: The specific time points for SBPs that correlated well with 24-hour mSBP in hypertensive CKD patients were 7:00 AM and 9:30 PM.
Adult
;
Aged
;
*Blood Pressure
;
Blood Pressure Monitoring, Ambulatory/*methods
;
Circadian Rhythm
;
Cross-Sectional Studies
;
Female
;
Humans
;
Hypertension/*diagnosis/physiopathology
;
Male
;
Middle Aged
;
Office Visits
;
Predictive Value of Tests
;
Prospective Studies
;
Renal Insufficiency, Chronic/*diagnosis/physiopathology
;
Republic of Korea
;
Time Factors
;
Young Adult
5.Localized Peritonitis due to Perforation of Multiple Jejunal Diverticula.
Bong Gyu LEE ; Sung Bae PARK ; Chang Gyoo BYUN ; Young Taeg KOH ; Dong Youb SUH ; Dong Sun PARK ; Moon Ja KANG ; Kwun Jun LEE
Journal of the Korean Surgical Society 2004;67(1):75-78
We report the case of a 77-year-old woman who presented with periumbilical pain from perforation of jejunal diverticula. The patient underwent surgery and multiple jejunal diverticula were found distributed from 30 cm to 60 cm distal to the ligament of Treitz. A segment of the jejunum containing all diverticula was resected and end-to-end anastomosis was performed. The postoperative course was uneventful. The patient continued to do well at last follow-up, 26 months after operation. Diverticulum of the jejunum is uncommon and the majority of patients are asymptomatic. Symptoms indicating diverticulum are few and often nonspecific; they may present either as generalized abdominal pain associated with intestinal disturbances or in more serious case, they can lead to complications requiring emergency surgery. In light of these considerations, we thought it useful to report a case of complicated multiple jejunal diverticula and draw attention to its complications that can be a source of gastrointestinal symptoms.
Abdominal Pain
;
Aged
;
Diverticulum*
;
Emergencies
;
Female
;
Follow-Up Studies
;
Humans
;
Jejunum
;
Ligaments
;
Peritonitis*
6.Incidence of Deep Vein Thrombosis after Major Lower Limb Orthopedic Surgery: Analysis of a Nationwide Claim Registry.
Seung Yeol LEE ; Du Hyun RO ; Chin Youb CHUNG ; Kyoung Min LEE ; Soon Sun KWON ; Ki Hyuk SUNG ; Moon Seok PARK
Yonsei Medical Journal 2015;56(1):139-145
PURPOSE: We aimed to evaluate the nationwide incidence and risk factors for symptomatic deep vein thrombosis (DVT) after major lower limb orthopedic surgeries. MATERIALS AND METHODS: The Korean Health Insurance Review and Assessment Service database was used to retrospectively identify International Classification of Disease-10 codes for DVT and operation codes representing hip arthroplasty, knee arthroplasty, and hip fracture surgeries. The age- and gender-adjusted annual incidence of DVT, rates of major lower limb orthopedic surgeries, and the postoperative incidence of DVT according to the surgical procedure were assessed. RESULTS: The age- and gender-adjusted annual incidence of DVT was 70.67 per 100000 persons/year. Compared to patients aged <49 years, the relative risk of DVT was five times higher in patients aged 50-69 and 10 times higher in patients aged >70 years (p<0.001). Females showed a greater relative risk for DVT than males (1.08; p<0.001). The incidence of postoperative DVT, according to the type of surgery, was significantly greater for knee replacement arthroplasty than for other forms of surgery (p<0.002). The relative risk of postoperative DVT was higher in females in knee replacement arthroplasty (1.47) and hip fracture surgery (2.25) groups, although relatively lower in those who underwent hip replacement arthroplasty (0.97). CONCLUSION: Among major lower limb surgeries, advanced age, female gender, and undergoing a knee replacement arthroplasty were found to be risk factors for developing postoperative DVT. These findings further emphasize the need for orthopedic surgeons to consider the development of DVT after surgery in high-risk patients.
Adolescent
;
Adult
;
Age Distribution
;
Aged
;
Child
;
Child, Preschool
;
Female
;
Humans
;
Incidence
;
Infant
;
Infant, Newborn
;
Leg/*surgery
;
Male
;
Middle Aged
;
Orthopedic Procedures/*adverse effects
;
Postoperative Complications/epidemiology/etiology
;
Registries/*statistics & numerical data
;
Republic of Korea/epidemiology
;
Risk Factors
;
Venous Thrombosis/*epidemiology/*etiology
;
Young Adult
7.A Case of Thyrotoxic Periodic Paralysis Presenting as Ventricular Tachycardia.
Woun Seok RYU ; Sang Mi LEE ; Sung Jun SIM ; Dong Wook LEE ; Jong Dae HAN ; Eun A CHUNG ; In Kwan SONG ; Hwan Won CHOI ; Dong Youb CHA ; Ie Byung PARK
Journal of Korean Society of Endocrinology 1999;14(3):587-591
sociated with hyperthyroidism occurs in 2.0% of Graves disease and is characterized by myasthenia or bilateral flaccid paralysis of lower extremity, in some cases, it may be accompanied with cardiac arrhythmias which are mostly due to hypokalemia. The most common type of cardiac arrhythmias associated with hyperthyroidism is sinus tachycardia, 1015% of patients have atrial fibrillation. Rarely, ventricular tachycardia or ventricular fibrillation develop and lead to cardiac arrest in severe case. A 26-year-old man was admitted to the hospital because of weakness of lower extremity. The initial EKG showed ventricular tachycardia. The laboratory results were, TSH 0.08 microunit/mL, free T4 4.11 ng/mL, T3 2.88 ng/mL, serum K 1.9 mEq/L. He was diagnosed as ventricular tachycardia associated with hypokalemic thyrotoxic periodic paralysis. His symptoms improved during the treatment with propylthiouracil and potassium replacement. We report a case of thyrotoxic periodic paralysis presenting as ventricular tachycardia with brief review of literatures.
Adult
;
Arrhythmias, Cardiac
;
Atrial Fibrillation
;
Electrocardiography
;
Graves Disease
;
Heart Arrest
;
Humans
;
Hyperthyroidism
;
Hypokalemia
;
Lower Extremity
;
Paralysis*
;
Potassium
;
Propylthiouracil
;
Tachycardia, Sinus
;
Tachycardia, Ventricular*
;
Ventricular Fibrillation
8.Carcinoid Tumor of the Stomach.
Bong Gyu LEE ; Sung Bae PARK ; Chang Gyoo BYUN ; Young Taeg KOH ; Dong Youb SUH ; Dong Sun PARK ; Hyo Jin LEE
Journal of the Korean Surgical Society 2004;67(3):240-243
A carcinoid tumor of the stomach is a neuroendocrine tumor originating from enterochromaffin cells in the submucosa of the stomach and has no specific clinical symptoms. They are uncommon, accounting for no more than 0.3% of all gastric tumors. However, this frequency has increased markedly due to endoscopic screening. Herein, the case of a 47-year-old man with a polypoid lesion (2 cm diameter) detected on endoscopic examination is reported. It was diagnosed as a carcinoid tumor before an operation. Although the tumor size was slightly larger than 2 cm in diameter, the lesion was treated by wedge resection as there was no lymph node involvement or other distant metastasis. The postoperative has course was uneventful. The patient has continued to do well for over 15 months of follow up.
Carcinoid Tumor*
;
Enterochromaffin Cells
;
Follow-Up Studies
;
Humans
;
Lymph Nodes
;
Mass Screening
;
Middle Aged
;
Neoplasm Metastasis
;
Neuroendocrine Tumors
;
Stomach*
9.A Case of Tumoral Calcinosis in a Hemodialysis Patient with Secondary Hyperparathyroidism.
Woo Sun ROU ; Hyo Keun LEE ; Kum Hyun HAN ; Deok Weon KIM ; Yong Hoon KIM ; Mee JOO ; Sang Youb HAN
Korean Journal of Nephrology 2010;29(3):398-402
Tumoral calcinosis is a periarticular calcific lesion and rare complication in patients with maintenance hemodialysis. The pathogenesis of tumoral calcinosis is poorly understood but may be due to elevated serum phosphorus, a high calcium phosphorus (Ca x P) product or secondary hyperparathyroidism in hemodialysis patients. A 30-year-old man presented with pain and palpable mass of left shoulder. He had been on maintenance hemodialysis with high flux dialyzer for 10 years. Laboratory finding showed hyperphosphatemia and elevated intact PTH concentration. A shoulder X-ray and CT scan demonstrated a massive calcification. Following partial resection, pain was relieved. Here we report a case of tumoral calcinosis of shoulder in a hemodialysis patient with untreated hyperphosphatemia and secondary hyperparathyroidism.
Adult
;
Calcinosis
;
Calcium
;
Humans
;
Hyperparathyroidism
;
Hyperparathyroidism, Secondary
;
Hyperphosphatemia
;
Phosphorus
;
Renal Dialysis
;
Shoulder
10.Characteristics and Trends of Orthopedic Publications between 2000 and 2009.
Kyoung Min LEE ; Mi Sun RYU ; Chin Youb CHUNG ; In Ho CHOI ; Dae Gyu KWON ; Tae Won KIM ; Ki Hyuk SUNG ; Sang Gyo SEO ; Moon Seok PARK
Clinics in Orthopedic Surgery 2011;3(3):225-229
BACKGROUND: This study was undertaken to investigate the trends of orthopedic publications during the last decade, and to document the country of origin, journal, funding source, and language of contribution using PubMed. METHODS: Orthopedic articles published between 2000 and 2009 were retrieved from PubMed using the following search terms: "orthopaedic[Affiliation] AND ("2000/1/1"[PDAT]: "2009/12/31"[PDAT])" and "orthopedic[Affiliation] AND ("2000/1/1"[PDAT]: "2009/12/31"[PDAT])." The articles were downloaded in XML file format, which contained the following information: article title, author names, journal names, publication dates, article types, languages, authors' affiliations and funding sources. These information was extracted, sorted, and rearranged using the database's management software. We investigated the annual number of published orthopedic articles worldwide and the annual rate of increase. Furthermore, the country of publication origin, journal, funding source, and language of contribution were also investigated. RESULTS: A total of 46,322 orthopedic articles were published and registered in PubMed in the last 10 years. The worldwide number of published orthopedic articles increased from 2,889 in 2000 to 6,909 in 2009, showing an annual increase of 384.6 articles, or an annualized compound rate of 10.2%. The United States ranked highest in the number of published orthopedic articles, followed by Japan, the United Kingdom, Germany, and the Republic of Korea. Among the orthopedic articles published worldwide during the last 10 years, 37.9% pertained studies performed in the United States. Fifty-seven point three percent (57.3%) of articles were published in journals established in the United States. Among the published orthopaedic articles, 4,747 articles (10.2%) disclosed financial support by research funds, of which 4,688 (98.8%) articles utilized research funds from the United States. Most articles were published in English (97.2%, 45,030 articles). CONCLUSIONS: The number of published orthopedic articles has been increasing over the last decade. The number of orthopedic articles, journals publication, and funding sources were dominated by research conducted in the United States, while share and growth of Asian countries including Japan, the Republic of Korea, and China were notable.
*Bibliometrics
;
Humans
;
Orthopedics/*statistics & numerical data
;
Periodicals as Topic/statistics & numerical data
;
Publishing/*statistics & numerical data/trends