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Goh SY, Ang E, Bajpai S, Deerochanawong C, Hong EG, Hussein Z, Joshi S, Kamaruddin NA, Kho S, Kong APS, Pan CY, Perfetti R, Vichayanrat A, Vlajnic A, Chan JCN. A patient-centric approach to optimise insulin therapy in Asia. J Diabetes Complications 2016; 30:973-80. [PMID: 27288201 DOI: 10.1016/j.jdiacomp.2016.05.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 05/20/2016] [Accepted: 05/20/2016] [Indexed: 11/16/2022]
Affiliation(s)
| | - Ernesto Ang
- Cardinal Santos Medical Center, San Juan, Philippines; The Institute for Studies on Diabetes Foundation Inc., Metro Manila, Philippines
| | | | | | - Eun-Gyoung Hong
- Hallym University School of Medicine, Dongtan Sacred Heart Hospital, Gyeonggi-do, South Korea
| | | | | | | | - Sjoberg Kho
- University of Santo Tomas, Manila, Philippines
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Vichayanrat A, Matawaran BJ, Wibudi A, Ferdous HS, Aamir AH, Aggarwal SK, Bajpai S. Assessment of baseline characteristics, glycemic control and oral antidiabetic treatment in Asian patients with diabetes: The Registry for Assessing OAD Usage in Diabetes Management (REASON) Asia study. J Diabetes 2013; 5:309-18. [PMID: 23462227 DOI: 10.1111/1753-0407.12038] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2012] [Revised: 01/30/2013] [Accepted: 02/21/2013] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND To assess baseline characteristics, glycemic control, and treatment with oral antidiabetic drugs (OAD) in type 2 diabetes mellitus (T2DM) patients. METHODS This multinational, observational study recruited patients ≥ 21 years of age who were newly diagnosed and/or treated with OAD monotherapy for <6 months but were inadequately controlled. In cross-sectional phase, data on demographics, medical history, diabetic complications and comorbidities, OAD treatment, glycosylated hemoglobin (HbA1c), and fasting blood glucose (FBG) were collected. In longitudinal phase evaluating 6-month follow-up of sulfonylurea (SU)-treated patients, additional data on reasons for not achieving HbA1c targets were collected. RESULTS Of 1487 patients (mean [± SD] age 52.0 ± 11.6 years; 46.7% men; mean BMI 25.8 ± 4.4 kg/m(2) ) recruited, 75.9% were newly diagnosed, 73.3% had central obesity, 43.8% had hypertension, and 60.5% had dyslipidemia. The mean HbA1c was 9.8 ± 2.4%, and the mean FBG was 11.3 ± 4.3 mmol/L. At T0 (baseline) and T6 (month 6 visit), 99.8% (n=1066) and 97.1% (n=830) patients received SU, respectively. There was decrease from T0 to T6 in mean HbA1c (10.2% vs 7.3%, respectively; P<0.0001) and mean FBG (12.0 vs 7.6 mmol/L, respectively; P<0.0001). Number of patients with HbA1c <7% increased from T0 (4.5%) to T6 (46.8%). Reasons for not achieving target HbA1c included poor diabetes education (50.7%), non-compliance to OADs (21.4%), and fear of hypoglycemia (19.7%). CONCLUSION Marked reductions in HbA1c and FBG are achievable in T2DM patients managed with OADs. However, patient education and compliance are important for achieving and maintaining treatment targets.
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Affiliation(s)
- Apichati Vichayanrat
- Department of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Sriussadaporn S, Phoojaroenchanachai M, Ploybutr S, Plengvidhya N, Peerapatdit T, Nitiyanant W, Vannasaeng S, Vichayanrat A. Hypercalcemia of malignancy: a study of clinical features and relationships among circulating levels of calcium, parathyroid hormone and parathyroid hormone-related peptide. J Med Assoc Thai 2007; 90:663-71. [PMID: 17487119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
OBJECTIVE Examine the clinical and biochemical features including serum intact PTH (iPTH) and plasma PTH-related peptide (PTHrP) levels in patients with malignancy-associated hypercalcemia (MAHC). MATERIAL AND METHOD Forty-eight patients with histopathological or cytological proven malignancies and MAHC who were admitted to Siriraj Hospital were studied. RESULTS The malignancies that caused MAHC were squamous cell carcinoma (45.8%), non-squamous cell solid tumors (31.3 %), and hematological malignancies (22.9%). Most patients (93.8%) had advanced stage malignancies. Corrected serum total calcium (cTCa) levels were 10.8-19.1 mg/dL (13.6 +/- 2.4) and severe hypercalcemia was observed in 17 cases (40.5%). Serum iPTH levels were 0.95-17.1 pg/mL (3.9 +/- 3.6). Most patients had suppressed serum iPTH levels of < 10 pg/mL. Plasma PTHrP levels were 0.2-44.0 pmol/L (3.8 +/- 6.8). There were 27 cases (56.3%) that had humoral hypercalcemia of malignancy (HHM) with plasma PTHrP levels of > 1.5 pmol/L, and 22 cases had squamous cell carcinoma. There was no difference in serum cTCa, phosphorus, alkaline phosphatase, and iPTH levels between patients with HHM and non-HHM. In 48 MAHC patients, serum cTCa correlated to plasma PTHrP (r = 0.35, p = 0.029) and to serum iPTH (r = 0.49, p = 0.003). In 25 patients with HHM, a stronger correlation between serum cTCa and serum iPTH (r = 0.55, p = 0.005) but not between serum cTCa and plasma PTHrP levels (r = 0.41, p = 0.05) was observed. Stepwise multiple regression analyses showed that serum iPTH but not plasma PTHrP levels independently correlated to serum cTCa levels (r = 0.39, p = 0.04). CONCLUSION The clinical manifestations of MAHC observed in the present study were similar to those previously reported. Serum calcium correlated to serum iPTH more strongly than to plasma PTHrP levels. The low but detectable serum iPTH level might play a role in the development of severe MAHC particularly in HHM.
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Affiliation(s)
- Sutin Sriussadaporn
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bankgkok, Thailand.
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Roubsanthisuk W, Sriussadaporn S, Vawesorn N, Parichatikanond P, Phoojaroenchanachai M, Homsanit M, Peerapatdit T, Nitiyanant W, Vannasaeng S, Vichayanrat A. Primary adrenal insufficiency caused by disseminated histoplasmosis: report of two cases. Endocr Pract 2002; 8:237-41. [PMID: 12113639 DOI: 10.4158/ep.8.3.237] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Weranuj Roubsanthisuk
- Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkoknoi, Bangkok, Thailand
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Vichayanrat A. Dose-expanded study in the reinforcement of efficacy of simvastatin. J Med Assoc Thai 2002; 85:438-45. [PMID: 12118490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
UNLABELLED Two hundred and twenty two hyperlipidemic patients were recruited for a 12-week prospective, multicenter, open-label, titrate-to-goal study to evaluate the efficacy and safety of 20 to 40 mg per day of simvastatin in a Thai population. The efficacy on lipid lowering was evaluated at 4 weeks and 8 weeks after medication. Based on NCEP ATP II guideline and ADA position statement, subjects were categorized into three groups according to LDL-C goals; group I: patients without CHD and with < 2 CHD risk factors, group II: patients without CHD and with > or = 2 CHD risk factors and group III: CHD patients or diabetic patients with > or = 1 risk factors. Significant changes of all lipid parameters from baselines were noted at 4 weeks after medication except for HDL-C levels. Reduction of serum LDL-C, TC and TG by 40 per cent, 29 per cent and 16 per cent respectively and increase of serum HDL-C by 5 per cent were observed at 8 weeks of therapy (p<0.05). At 4 weeks after taking simvastatin 20 mg/day, 78.9 per cent of patients in group I, 67.4 per cent in group II and 40.9 per cent in group III achieved LDL-C goals. Seventeen per cent of the patients who were evaluated at 8 weeks increased the simvastatin dosage to 40 mg per day in the second month of treatment. At 8 weeks of therapy with simvastatin 20-40 mg/day, 90.1 per cent of patients in group I, 77.4 per cent in group II and 66.7 per cent in group III achieved LDL-C goals. Adverse symptoms during therapy, mostly mild, developed in 6.3 per cent of the 222 patients. CONCLUSION Simvastatin 20-40 mg/day was effective and well tolerated in managing lipid parameters in Thai patients similar to other ethnic populations.
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Affiliation(s)
- Apichati Vichayanrat
- Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Sriussadaporn S, Srimuninnimit V, Ploybutr S, Tanlakit M, Chearskul S, Chakrapee-Sirisuk S, Nitiyanant W, Vannasaeng S, Sinlarat P, Vichayanrat A. Association between estrogen receptor concentration in breast cancer tissue and bone mineral density. J Med Assoc Thai 2002; 85:327-33. [PMID: 12117021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
Both bone and the breast are major target tissues of estrogen actions. The biological actions of estrogen depend on the interaction between estrogen and estrogen receptors (ER) in the target tissues. Therefore, ER concentration in tissues such as breast cancer might be associated with the amount of bone mass. The present study was aimed to examine whether there is a relationship between ER concentration in breast cancer tissue (ER-BCA) and bone mineral density (BMD). Forty-seven pre-menopausal and 34 post-menopausal women with newly diagnosed breast cancer were studied. The ER-BCA ranged from 0 to 339 fmol/mg cytosol protein (mean +/- SD = 68.6 +/- 97.0). Pearson's correlation analyses showed that ER-BCA negatively correlated to BMD of the spine (r = -0.251, p = 0.024), forearm (r = -0.341, p = 0.002), hip (r = -0.373, p = 0.001) and total body (r = -0.317, p = 0.004) in all 81 women. In 47 pre-menopausal women, the ER-BCA negatively correlated to the hip (r = -0.455, p = 0.001) and total body (r = -0.395, p = 0.006) but not to the spine and forearm BMD. Whereas, in 34 post-menopausal women, the ER-BCA negatively correlated to forearm BMD (r = -0.399, p = 0.019). Stepwise multiple regression analyses showed that the ER-BCA independently correlated to hip BMD in all 81 women (r = -0.373, p < 0.01) and in pre-menopausal women (r = -0.486, p < 0.001) and independently correlated to forearm BMD in post-menopausal women (r = -0.399, p < 0.05). The results of this study suggest that the presence of high estrogen receptor concentration in breast cancer tissue might induce a deleterious effect on bone mass particularly in pre-menopausal women.
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Affiliation(s)
- Sutin Sriussadaporn
- Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Abstract
We performed a randomized crossover open comparative study to evaluate the efficacy and safety of voglibose and acarbose in 30 patients with type 2 diabetes who were not well controlled with diet therapy. There was no significant reduction of FBG with either voglibose or acarbose at 4 and 8 weeks after treatment. The 1 h postprandial blood glucose (PPBG) level was significantly decreased from 224.9+/-42.8 to 204.1+/-37.6 (P=0.005) and 206.1+/-38.9 mg/dl (P=0.038) after voglibose therapy at 4 and 8 weeks, respectively. Significant decrease was also obtained after acarbose treatment from 228.3+/-37.4 to 182.7+/-35.5 (P<0.001) and 186.6+/-36.1 mg/dl (P<0.001). The decrease of 1 h PPBG was associated with a significant fall of serum insulin concentration. HbA(1c) levels were also significantly decreased from 7.07+/-1.21 to 6.83+/-1.11 (P=0.017) and 6.79+/-1.33% (P=0.036) after voglibose and 6.98+/-0.98 to 6.70+/-1.04 (P<0.001) and 6.59+/-1.04% (P<0.001) after acarbose at 4 and 8 weeks. In contrast to voglibose, treatment with acarbose significantly decreased the 2 h PPBG at 4 and 8 weeks and the 2 h postprandial serum insulin concentration at 8 weeks. Adverse drug events were more commonly reported in acarbose-treated patients (P<0.05). Increased flatulence was observed in 56.7 and 90% of the patients taking voglibose and acarbose, respectively, while abdominal distention was noted in 10 and 16.7%. Significantly decreased body weights of 0.9 and 0.8 kg were recorded at 8 weeks after voglibose and acarbose therapy, respectively. We conclude that both voglibose (0.2 mg) and acarbose (100 mg) thrice daily significantly decreased HbA(1c), PPBG and postprandial insulin levels. At these dose levels, voglibose was associated with less gastrointestinal side effects and slightly less efficacy for postprandial glucose reduction.
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Affiliation(s)
- Apichati Vichayanrat
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine & Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand.
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Deerochanawong C, Chandraprasert S, Suthijumroon A, Vichayanrat A, Himathongkam T, Nitiyanant W, Benjasuratawong Y, Suwanwalaikorn S, Sarinnapakorn V, Vongterapak S. Glimepiride in type 2 diabetes mellitus Thai patients. J Med Assoc Thai 2001; 84:1221-8. [PMID: 11800292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
This study aimed to confirm the efficacy of glimepiride given once daily in the treatment of Thai type 2 diabetic patients and to find out the optimum dosage for Thai patients. The patients were enrolled at the diabetic clinics of 5 hospitals (Rajavithi, Chulalongkorn, Pramongkutklao, Siriraj and Theptarin Hospitals). All patients started glimepiride 1 mg once daily and escalated to 2, 3, 4 and until 6 mg every 4 weeks if fasting plasma glucose (FPG) exceeded 140 mg/dL. Subjects were 60 females and 29 males with an average age of 52.2 +/- 10.0 years. Mean BMI was 25.5 +/- 3.8 kg/m2. Fifty seven patients (64.0%) were drug naïve and thirty two patients (36.0%) had been previously treated with oral hypoglycemic agents. Seventy three per cent of the drug naïve and 37 per cent of the previously treated patients could be controlled with 1-2 mg of glimepiride once daily. At the twelfth week of treatment, mean fasting plasma glucose decreased from 224.6 to 156.6 mg/dL (30% reduction) and mean HbA1c decreased from 10.0 to 7.5 per cent (25% reduction). At the end of the study 49.4 per cent of the patients had HbA1c < 7.0 per cent, 21.3 per cent had HbA1c 7.0-8.0 per cent and 29.3 per cent had HbA1c > 8.0 per cent. Adverse events that were probably or possibly related to the drug were reported in 5 patients (5.6%). Three of them were hypoglycemia and two patients had skin rash. All hypoglycemic episodes were mild. Glimepiride was indicated to be safe. There were no clinically significant changes in clinical laboratory values, physical examinations and vital signs. In conclusion, glimepiride was efficacious and safe in type 2 diabetes Thai patients and 1-2 mg of glimepiride appeared to be a sufficient dose for most newly diagnosed type 2 diabetic patients.
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Phoojaroenchanachai M, Sriussadaporn S, Peerapatdit T, Vannasaeng S, Nitiyanant W, Boonnamsiri V, Vichayanrat A. Effect of maternal hyperthyroidism during late pregnancy on the risk of neonatal low birth weight. Clin Endocrinol (Oxf) 2001; 54:365-70. [PMID: 11298089 DOI: 10.1046/j.1365-2265.2001.01224.x] [Citation(s) in RCA: 93] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE Hyperthyroidism in pregnancy occurs with a prevalence of 0.05--0.2% and has been shown to affect neonatal outcomes. Fetal weight increases markedly during the third trimester of pregnancy. This retrospective study was performed to examine the effect of maternal hyperthyroidism during late pregnancy on neonatal birth weight (NBW). DESIGN Medical and obstetric records of 293 pregnant women with present and past history of hyperthyroidism were retrospectively reviewed. PATIENTS There were 188 records of 181 patients with adequate data for inclusion in the analysis. The patients were divided into two groups according to the maternal thyroid function during the third trimester of pregnancy: hyperthyroidism (HT; 35 cases) and euthyroidism (ET; 153 cases). MEASUREMENTS Maternal thyroid function tests were periodically evaluated before and during the third trimester of pregnancy. Neonatal thyroid function tests and birth weight of the newborn infants were also assessed. RESULTS There was no significant difference of maternal age between HT and ET groups mean +/- SD (27.6 +/- 5.5 vs. 29.2 +/- 5.4 years). The NBW of the HT group was not significantly different from that of the ET group (2880 +/- 590 vs. 3019 +/- 426 g). However, the prevalence of infants with low birth weight (LBW) defined as NBW of lower than 2500 g in HT group was 22.9% which was significantly higher than the 9.8% in the ET group (P = 0.039, OR = 2.7, 95%CI = 1.1--7.1) and 9.7% of infants born to healthy mothers at Siriraj Hospital (control group) between 1991 and 1995 (P = 0.01, OR = 2.7, 95%CI = 1.3--6.1). The 90% CI for the true difference between the prevalence of LBW infants born to ET and HT mothers was 0.7--25.4. There was no significant difference in the prevalence of LBW infants in ET and control groups. Multiple logistic regression analyses showed that maternal hyperthyroidism during the third trimester of pregnancy was an independent factor associated with increased prevalence of LBW infants (P = 0.037, OR = 4.1, 95%CI = 1.1--15.0). CONCLUSIONS Maternal hyperthyroidism during the third trimester of pregnancy independently increases the risk of low birth weight by 4.1-fold. Appropriate management of hyperthyroidism throughout pregnancy is essential in the prevention of this undesirable neonatal outcome.
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Affiliation(s)
- M Phoojaroenchanachai
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Homsanit M, Sriussadaporn S, Vannasaeng S, Peerapatdit T, Nitiyanant W, Vichayanrat A. Efficacy of single daily dosage of methimazole vs. propylthiouracil in the induction of euthyroidism. Clin Endocrinol (Oxf) 2001; 54:385-90. [PMID: 11298092 DOI: 10.1046/j.1365-2265.2001.01239.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE Previous studies of the treatment of hyperthyroidism with a single daily dose of antithyroid drugs have demonstrated a favourable result with methimazole (MMI). However, the efficacy of a single daily dose of propylthiouracil (PTU) was inconsistent. The present prospective randomized study was conducted to compare the efficacy of a single daily dose of MMI and PTU in the induction of euthyroidism in patients with Graves' disease. SUBJECTS Seventy-one patients with newly diagnosed Graves' disease were studied. METHODS AND MEASUREMENTS Patients were randomized to two groups to receive once daily dose of either 15 mg MMI or 150 mg PTU for 12 weeks. The therapeutic efficacy was determined biochemically by serum total T3, total T4 and TSH levels at baseline and at 4, 8 and 12 weeks during the study period. RESULTS There was no significant difference in baseline characteristics. Serum total T3 levels of the MMI group were significantly lower than those of the PTU group after four weeks of the treatment (3.54 +/- 0.72 vs. 5.49 +/- 2.74 nmol/l, P < 0.05) through the end of the study (2.22 +/- 1.42 vs. 4.30 +/- 1.78 nmol/l, P < 0.05). The changes in serum total T4 levels occurred in the same direction as serum total T3 levels but a significant difference was observed only after eight weeks of the treatment (MMI vs. PTU; 101.67 +/- 54.05 vs. 176.32 +/- 66.92 nmol/l, P < 0.05). At the end of the study, more patients in the MMI group had both serum total T3 and T4 levels less than the upper limit of the normal range compared to the PTU group (77.1% vs. 19.4%). Hypothyroidism was observed in 31.4% of the patients in the MMI group but not in the PTU group. CONCLUSIONS During 12-weeks' treatment of Graves' hyperthyroidism, a single daily dose of 15 mg of MMI was much more effective in the induction of euthyroidism than a single daily dose of 150 mg of PTU. Once daily regimen of MMI not only decreased serum T3 and T4 levels more rapidly but also induced euthyroidism four times more effectively than did the once daily regimen of PTU. In the doses used in this study, MMI is preferable to PTU when a once-daily regimen of antithyroid drug is considered for the treatment of hyperthyroidism.
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Affiliation(s)
- M Homsanit
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Sriussadaporn S, Ploybutr S, Nitiyanant W, Vannasaeng S, Vichayanrat A. Behavior in self-care of the foot and foot ulcers in Thai non-insulin dependent diabetes mellitus. J Med Assoc Thai 1998; 81:29-36. [PMID: 9470319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
A cross sectional study was conducted to examine behavior in self-care of the foot and foot ulcers in Thai non-insulin dependent diabetic patients. Fifty-five patients with foot ulcers (ulcer group; 42 females and 13 males) and 110 patients without foot ulcers (control group; 83 females and 27 males) were evaluated for self foot-care behavior using a questionnaire consisting of questions about foot inspection, foot cleaning, nail-care, and the use of footwear which possessed a total score of 20. The results showed that a mean total self foot-care score of the ulcer group was significantly lower than that of the control group (14.50 +/- 3.35 vs 15.74 +/- 2.31; p < 0.01). The patients with foot ulcers had lower mean scores in all of the four self foot-care categories than did those without foot ulcers. However, only the difference in foot cleaning score was statistically significant (7.35 +/- 0.21 vs 7.88 +/- 0.11; p < 0.05). A univariate analysis has shown that the risk of developing foot ulcers was significantly associated with a total self foot-care score of less than 15 with an odd ratio of 2.6 and a 95 per cent confidence interval of 1.3-5.6. Regarding the behavior in self foot ulcer-care, 45.5 per cent of the diabetic patients with foot ulcers had neglected them and 54.5 per cent had inappropriately cared for their ulcers. In conclusion, Thai non-insulin dependent diabetic patients with foot ulcers understood less about self foot-care practice than did those without foot ulcers. Incorrect self foot-care behavior particularly foot cleaning is associated with an increased risk of foot ulceration. In addition, diabetic patients should be advised about the correct self-care of their feet and foot ulcers in order to prevent foot ulceration and its complications.
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Affiliation(s)
- S Sriussadaporn
- Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Plengvidhya N, Rathanavijitrasilp A, Sangruchi T, Nitiyanant W, Vannasaeng S, Piraphatdist T, Vichayanrat A. Primary thyroid carcinoma and thyrotoxicosis. Int J Clin Pract 1997; 51:471-3. [PMID: 9536590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
A 60-year-old man noticed rapid enlargement of a long-standing thyroid goitre, with dysphagia and difficulty in breathing. Thyrotoxicosis was diagnosed. Chest X-ray revealed multiple pulmonary metastases. He underwent near-total thyroidectomy. The histopathology revealed an undifferentiated thyroid carcinoma with some areas of papillary carcinoma and its follicular variant. Postoperative 131I total body scan showed residual thyroid tissue in the neck and one functioning metastasis in the right rib, posteriorly. The patient's condition deteriorated rapidly and he died from pneumonia. The autopsy showed widespread metastases of undifferentiated thyroid carcinoma. Only the right rib contained the follicular variant of papillary carcinoma.
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Affiliation(s)
- N Plengvidhya
- Department of Medicine, Siriraj Hospital, Bangkok, Thailand
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Sriussadaporn S, Ploybutr S, Peerapatdit T, Nitiyanant W, Vannasaeng S, Vichayanrat A. Efficacy of using basal plasma adrenocorticotropic hormone-radioimmunoassay (ACTH-RIA) level in the identification of the cause of Cushing's syndrome. J Med Assoc Thai 1997; 80:233-41. [PMID: 9175392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Basal (8.00 a.m.) plasma ACTH-radioimmunoassay (ACTH-RIA) levels were studied in 32 cases of endogenous Cushing's syndrome (17 Cushing's disease, 13 adrenocortical tumors, and 2 ectopic ACTH syndrome) and 11 normal volunteers. There were overlaps in the ranges of plasma ACTH-RIA levels among patients with Cushing's disease, adrenocortical tumors, and normal volunteers but not ectopic ACTH syndrome. By using different plasma ACTH-RIA levels as cut-off points in differentiating ACTH-dependent from ACTH-independent Cushing's syndrome, the level of 30 pg/ml had the highest diagnostic efficacy with a 94.7 per cent sensitivity, a 84.6 per cent specificity and a 90.6 per cent diagnostic accuracy.
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Affiliation(s)
- S Sriussadaporn
- Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Sriussadaporn S, Mekanandha P, Vannasaeng S, Nitiyanant W, Komoltri C, Ploybutr S, Yamwong P, Peerapatdit T, Vichayanrat A. Factors associated with diabetic foot ulceration in Thailand: a case-control study. Diabet Med 1997; 14:50-6. [PMID: 9017354 DOI: 10.1002/(sici)1096-9136(199701)14:1<50::aid-dia292>3.0.co;2-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A case-control study was conducted to determine factors involved in foot ulceration in Thai non-insulin-dependent (Type 2) diabetic patients. Fifty-five patients with foot ulcers (42 females and 13 males) and 110 patients without foot ulcers (83 females and 27 males) were evaluated for 26 factors possibly associated with foot ulceration. The results showed that diabetic patients with foot ulcers had significantly lower diabetic knowledge and foot-care practice scores; poorer glycaemic control, renal function, and visual function, and higher prevalence of retinopathy and peripheral neuropathy than diabetic patients without foot ulcers, whereas there were no differences in peripheral vascular status between both groups, each having a low prevalence. Multiple logistic regression analyses indicated that the risk of developing foot ulcers was associated with only three factors which were peripheral nerve status as determined by somatosensory evoked potentials (OR = 1.67; 95% CI 0.31 -8.97), visual acuity (OR = 0.223 per unit decrease in decimal visual acuity; 95% CI = 0.005, 0.39) and fasting plasma glucose level (OR = 1.01 per mmol l-1 increase; 95% CI = 1.00, 1.02). We conclude that peripheral neuropathy, visual impairment, and poor glycaemic control, but not peripheral vascular insufficiency, are the major independent risk factors associated with foot ulceration in Thai diabetic patients.
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Sriussadaporn S, Ploybutr S, Peerapatdit T, Plengvidhya N, Nitiyanant W, Vannasaeng S, Vichayanrat A. Nocturnal 8 mg dexamethasone suppression test: a practical and accurate test for identification of the cause of endogenous Cushing's syndrome. Br J Clin Pract 1996; 50:9-13. [PMID: 8729595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The efficacy of a nocturnal 8 mg dexamethasone suppression test (nocturnal DST) was compared with that of the standard high-dose dexamethasone suppression test (standard DST) in identifying the cause of endogenous Cushing's syndrome in 10 proven cases with Cushing's disease, 20 with adrenal tumours, and one with ectopic ACTH syndrome. The nocturnal test compared serum cortisol concentration at 8 am before and after administration of a single dose of 8 mg dexamethasone at 11 pm. Suppression of serum cortisol level to < 50% of the baseline value indicated a diagnosis of Cushing's disease, while a lack of suppression below that limit indicated one of the other two causes of Cushing's syndrome: glucocorticoid-secreting adrenal tumour or ectopic ACTH syndrome. The nocturnal DST had a sensitivity of 90%, a specificity of 100%, an accuracy of 96.8%, a positive predictive value of 100%, and a negative predictive value of 95.5%. These values are comparable to the efficacy of the standard DST in distinguishing Cushing's disease from glucocorticoid-secreting adrenocortical tumour or ectopic ACTH syndrome. Furthermore, this rapid test does not require hospitalisation or urine collection like the standard DST. The nocturnal 8 mg dexamethasone suppression test is practical, fairly reliable, and an effective alternative with which to identify the cause of endogenous Cushing's syndrome.
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Affiliation(s)
- S Sriussadaporn
- Division of Endocrinology and Metabolism, Mahidol University, Bangkok, Thailand
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Vannasaeng S, Ploybutr S, Nitiyanant W, Peerapatdit T, Vichayanrat A. Effects of alpha-glucosidase inhibitor (acarbose) combined with sulfonylurea or sulfonylurea and metformin in treatment of non-insulin-dependent diabetes mellitus. J Med Assoc Thai 1995; 78:578-585. [PMID: 8576667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
The effects of alpha-glucosidase inhibitor (acarbose) were studied in 36 patients with non-insulin-dependent diabetes mellitus (NIDDM), aged 34-67 years with a mean duration of diabetes of 8.8 +/- 0.9 years. They were poorly controlled with diet plus sulfonylurea alone or plus sulfonylurea combined with metformin drugs. Acarbose, 100 mg three times daily, was additionally given to these patients for six months. Results showed small but significant decreases (P < 0.001) in postprandial blood glucose level. Glycosylated hemoglobin level was lowered significantly (P < 0.001) and was normalised (level of < 8%) in 17 per cent of the patients. Fasting serum triglycerides level decreased significantly (P < 0.01), whereas, no significant changes in serum total cholesterol and HDL cholesterol levels were seen. Body weight also decreased significantly (P < 0.001) at the end of acarbose trial. Flatulence was the major side effect of acarbose found in 42 per cent of the patients but it was well-tolerated and may be transient and self-limited. We concluded that the addition of acarbose to the therapeutic regimens of diet therapy plus sulfonylurea or plus sulfonylurea combined with metformin drugs led to significant improvement of glycemic control. Acarbose may be a safe and valuable adjunct to diet and sulfonylurea and metformin treatments in obese, poorly-controlled patients with NIDDM.
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Affiliation(s)
- S Vannasaeng
- Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Tuomi T, Zimmet P, Rowley MJ, Min HK, Vichayanrat A, Lee HK, Rhee BD, Vannasaeng S, Humphrey AR, Mackay IR. Differing frequency of autoantibodies to glutamic acid decarboxylase among Koreans, Thais, and Australians with diabetes mellitus. Clin Immunol Immunopathol 1995; 74:202-6. [PMID: 7828375 DOI: 10.1006/clin.1995.1029] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The wide racial-geographic differences in the incidence and prevalence of insulin-dependent diabetes mellitus (IDDM) between Europids and Asian populations prompted us to compare frequencies of positivity of autoantibody to glutamic acid decarboxylase (GAD). The patients with IDDM included 41 Koreans, 30 Thais, and 45 Australian Europids; the Koreans included 14 cases regarded as atypical IDDM by reason of a delayed requirement for insulin treatment. Autoantibodies were measured by radioimmunoprecipitation using iodinated purified porcine brain GAD. The frequency of positive tests for anti-GAD of 30% (8/27) for Koreans and 51% (20/39) for Thais was significantly lower than the 84% (38/45) for Australian Europids, even after stratifying by age of onset. Correspondingly, the mean levels of anti-GAD among seropositive cases were significantly lower for Koreans than for Australian Europids. In contrast to Thais and Australians, more than half the Koreans were diagnosed at age > 20 years, but there was no significant difference in positivity for anti-GAD between those over or under the age of 20 at diagnosis. The different frequency of positivity in tests for anti-GAD among Koreans, Thais, and Australian Europids with IDDM suggests that there is a greater etiologic heterogeneity of IDDM among Asian than Europid populations, in whom autoimmune destruction of pancreatic islets predominates.
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Affiliation(s)
- T Tuomi
- Centre for Molecular Biology and Medicine, Monash University, Clayton, Victoria, Australia
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Sriussadaporn S, Chinda K, Vannasaeng S, Vichayanrat A, Nitiyanant W, Piraphatdist T. Sertoli-cell-only syndrome: a case report. J Med Assoc Thai 1990; 73:294-8. [PMID: 2212920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A 20-year-old male presented with a small hydrocoele in the left scrotal sac, bilateral small testes, and azoospermia with normal secondary sexual characteristics. Chromosome study revealed 46,XY. The results of hormonal and histopathological studies were consistent with Sertoli-cell-only syndrome.
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Affiliation(s)
- S Sriussadaporn
- Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Sriussadaporn S, Vannasaeng S, Trisukosol D, Nitiyanant W, Piraphatdist T, Vichayanrat A. Complete heart block complicating hyperthyroidism: a case report. J Med Assoc Thai 1990; 73:53-7. [PMID: 2345328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Complete heart block developed in a 29-year-old man with hyperthyroidism and acute febrile illness. The definite cause of acute febrile illness was unknown. The results of bacteriological and viral studies were negative. Endomyocardial biopsy revealed no evidence of carditis which is the common cause of heart block. All the abnormalities resolved completely after the fever subsided and the patient was treated with an antithyroid drug. Available information indicates that a high degree of heart block can sometimes occur in hyperthyroidism in either the presence or absence of additional factors which can independently impair atrioventricular conduction. This course of events which occurred in this patient suggest that complete heartblock may have been the direct manifestation of the hyperthyroid state, however, the acute febrile illness may have been an aggravating factor in the development of abnormal atrioventricular conduction.
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Affiliation(s)
- S Sriussadaporn
- Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Vichayanrat A, Soontrapa S, Bhanalaph T, Chinda K, Vaeusorn N, Bhavakula K. Virilizing adrenocortical adenoma with glucocorticoid abnormalities in a young woman: a case report with review of recent literatures. J Med Assoc Thai 1988; 71:699-705. [PMID: 2854840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Abstract
We investigated the relation between fibrocalculous pancreatic diabetes and cassava consumption in a case-control study, in which 31 cases of pancreatic diabetes were compared with 45 non-diabetic control subjects who had no pancreatic calcification. Risk of diabetes was not related to cassava consumption. We also observed no increased risk of fibrocalculous pancreatic diabetes associated with alcohol consumption, history of gallbladder and biliary tract diseases, ascariasis, and family history of diabetes. Lower monthly income, farmer occupation, rural residence, and low BMI were significantly (p less than 0.05) related to pancreatic diabetes. Our data suggest that consumption of cassava may not be an important risk factor for pancreatic diabetes. With limited sample size, however, cassava consumption could not be excluded as one possible cause of fibrocalculous pancreatic diabetes.
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Affiliation(s)
- S Vannasaeng
- Division of Endocrinology and Metabolism, Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Vichayanrat A, Ploybutr S, Watanakejorn P, Nitiyanant W, Piraphatdist T, Vannasaeng S. Assessment of blood glucose test strip. J Med Assoc Thai 1988; 71:130-6. [PMID: 3385347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Vannasaeng S, Fucharoen S, Nitiyanant W, Vichayanrat A, Pootrakul P, Piraphatdist T. Impaired glucose counterregulation after insulin-induced hypoglycemia in thalassemic patients. J Med Assoc Thai 1987; 70:631-7. [PMID: 3327903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Nitiyanant W, Komoltri C, Ploybutr S, Vannasaeng S, Vichayanrat A, Piraphatdist T. Lipid and lipoprotein abnormalities in non-insulin dependent diabetics (NIDDM). J Med Assoc Thai 1987; 70 Suppl 2:204-8. [PMID: 3598433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Abstract
Serum C-peptide levels were measured during a glucagon stimulation test in ten normal nonobese controls and 54 diabetic patients with recent onset of diabetes under 30 years of age. Diabetic patients were comprised of 13 CTPD, 23 IDDM, and 18 NIDDM. As similar to IDDM patients, serum C-peptide concentrations did not rise significantly (P greater than 0.05) in response to glucagon administration in CTPD-patients. Mean baseline and peak serum C-peptide concentrations in CTPD-patients were significantly lower (P less than 0.001) than the values in normal controls and NIDDM patients, but were significantly higher (P less than 0.05) than those in IDDM patients. We conclude that CTPD patients have partial C-peptide reserve, which may protect against ketosis and contribute to ketosis resistance in CTPD. Our results also suggest that CTPD patients require insulin treatment. Neither baseline nor peak C-peptide levels after glucagon could discriminate CTPD from IDDM and CTPD from NIDDM.
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Vichayanrat A, Ploybutr S, Harnthong S, Manussakorn C, Nitiyanant W, Vannasaeng S. Effect of pregnancy on glycosylated hemoglobin. J Med Assoc Thai 1986; 69:103-7. [PMID: 3711744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Aswapokee N, Pruksachatvuthi S, Rungpitarungsi V, Vichayanrat A. Pharyngeal colonization by gram-negative bacilli in ambulatory diabetics. J Med Assoc Thai 1985; 68:243-7. [PMID: 4031718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Vichayanrat A, Ploybutr S, Nitiyanant W, Vannasaeng S. Comparison between colorimetric and column chromatographic methods for the determination of glycosylated hemoglobin. J Med Assoc Thai 1984; 67:278-83. [PMID: 6481271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Vichayanrat A, Ploybutr S, Nitiyanant W, Vannaseang S, Tandhanand S. Glycosylated hemoglobin by colorimetry in normal subjects, diabetics, and nondiabetics. J Med Assoc Thai 1984; 67:216-23. [PMID: 6481264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Vannasaeng S, Vichayanrat A, Nitiyanant W, Tandhanand S. Diabetes mellitus in the tropics: a case with pancreatic calcification and chronic cassava toxicity. J Med Assoc Thai 1982; 65:330-332. [PMID: 7130880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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Singhprasert P, Rungpitarangsi B, Sittapairochana C, Phongluangtham V, Vichayanrat A. Hemagglutination for detection of thyroglobulin and microsomal antibodies in Thai people. J Med Assoc Thai 1982; 65:350-2. [PMID: 7130884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Kanluan T, Ploybutr S, Vichayanrat A. On the comparison of serum cortisol by direct radioimmunoassay and fluorometric method. J Med Assoc Thai 1982; 65:263-270. [PMID: 7119626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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Vichayanrat A, Yongchaiyud U, Ploybutr S, Vannasaeng S, Inthuprapa M, Tandhanand S. Immunofluorescent autoantibodies in thyroid diseases. J Med Assoc Thai 1982; 65:176-83. [PMID: 7050276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Vannasaeng S, Vichayanrat A, Ploybutr S, Inthuprapa M, Tandhanand S. Isolated growth hormone deficiency: a study in 14 Thai patients. J Med Assoc Thai 1982; 65:5-11. [PMID: 6153042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Vichayanrat A, Sirinavin C, Vannasaeng S, Tandhanand S. Familial isolated growth hormone deficiency. J Med Assoc Thai 1981; 64:519-26. [PMID: 7310254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Abstract
Three cases demonstrating the coexistence of primary hyperparathyroidism and breast carcinoma with the disappearance of hypercalcemia following removal of parathyroid adenomas are presented. In these cases, the patients had the typical diagnostic findings of primary hyperparathyroidism. Reluctance to perform neck explorations in such patients does not appear warranted.
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Tandhanand S, Vichayanrat A, Nilwarangkur S, Inthuprapa M. Polyuria and hypokalemia secondary to nephropathy caused by degraded tetracycline. J Med Assoc Thai 1972; 55:179-85. [PMID: 5015694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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