Subacute thyroiditis is a transient inflammatory thyroid disease of unknown etiology. The primary goal for treatment is to mitigate inflammation. The aim of this retrospective study was to compare the therapeutic effects of prednisolone and nonsteroidal anti-inflammation drugs in patients with subacute thyroiditis. In this study, 53 consecutive Japanese patients who had been diagnosed with were referred to our hospital for further management. After excluding 11 patients (9 did not need treatment, 2 did not meet the criteria for diagnosis of subacute thyroiditis), the remaining 42 patients were treated either with prednisolone (n = 25) or loxoprofen (n = 17). We compared the time periods required for resolution of clinical symptoms and signs and normalization of thyroid function between the two groups. The mean dose of prednisolone was 15.0 (range, 14-16) mg/day and that of loxoprofen was 180 mg/day. The time period to normalization of thyroid function was comparable between the prednisolone and loxoprofen groups (25, 18-36, vs 32, 21-39 days, p = 0.388). However, the time period for resolution of symptoms was shorter under prednisolone than loxoprofen (7, 7-12 days, vs 21, 14-32 days, p < 0.001). Prednisolone treatment of patients with subacute thyroiditis was superior to nonsteroidal anti-inflammation drugs with regard to resolution of symptoms.
Context: Adipose tissue insulin resistance is observed in obese subjects and is considered an early metabolic defect preceding insulin resistance in muscle and liver.While Asians readily develop metabolic disease without obesity, the clinical features of non-obese, apparently healthy Asians with reduced adipose tissue insulin sensitivity (ATIS) have not been elucidated.Objective: To investigate the clinical parameters associated with reduced ATIS in nonobese, apparently healthy (body mass index <25 kg/m 2 ) Japanese men. Methods:We studied 52 non-obese Japanese men with no cardiometabolic risk factors.Using two-step hyperinsulinemic euglycemic clamp with a glucose tracer, we evaluated insulin sensitivity in muscle, liver, and adipose tissue. ATIS was calculated as percent free fatty acid (FFA) suppression/insulin concentration during the first step of glucose clamp.Results: Based on the median ATIS value, subjects were divided into low-and high-FFA suppression groups. The low-FFA suppression group had moderate fat accumulation in abdominal subcutaneous adipose tissue and liver. Compared with the high-FFA group, they also had a lower fitness level, decreased insulin clearance, impaired insulin sensitivity in muscle, moderately elevated triglycerides, and lowered high-density lipoprotein cholesterol levels. All these factors were significantly correlated with ATIS. Hepatic insulin sensitivity was comparable between the two groups.4 Conclusions: In non-obese, apparently healthy Japanese men, reduced ATIS was associated with moderate fat accumulation in subcutaneous fat and liver, lower insulin clearance, muscle insulin resistance, and moderate lipidemia. These data suggest that reduced ATIS may occur early in the development of metabolic syndrome, even in nonobese, apparently healthy men. 5 Précis (200 characters):Even in non-obese, apparently healthy Japanese men, reduced adipose tissue insulin sensitivity is associated with clinical features of metabolic syndrome.
Cough test to screen for silent aspiration (SA) was reported, and the effectiveness was excellent. However, the device was rather large so that the portability was poor. So, the purpose of this study is to investigate the usefulness of a handheld nebulizer for the test and verify the reproducibility of the method. The subjects were 160 patients who were suspected of having dysphagia and underwent videofluorography (VF) or videoendoscopy (VE). They inhaled 1.0 % citric acid-physiologic saline orally for 1 min using a handheld nebulizer, and the examiner observed the number of coughs: more than five coughs was considered as negative (normal), while less than four coughs was regarded as positive. Among the subjects, 70 patients administered the cough test and VF or VE twice or more at some intervals. The k coefficient was calculated in reproducibility. Using the results of the VF or VE examination as the standards, for SA detection, the sensitivity was 0.86, specificity was 0.71, positive predictive value was 0.53, and negative predictive value was 0.93. The k coefficient was 0.79. In conclusion, the handheld nebulizer was useful in the cough test to screen for SA. Furthermore, satisfactory reproducibility was shown.
Context Asians have a high prevalence of insulin resistance, even in the nonobese state. Whereas both visceral fat accumulation (VFA) and fatty liver (FL) have been shown to be associated with insulin resistance, it is still unclear which is a better marker to predict insulin resistance in nonobese Asians. Objective The aim of this study was to investigate the relation between VFA or FL and insulin resistance in nondiabetic nonobese Japanese men who do not have diabetes. Design and Participants We studied 87 nonobese (body mass index <25 kg/m2) Japanese men without diabetes. Using a two-step hyperinsulinemic euglycemic clamp, we evaluated insulin sensitivity in adipose tissue, muscle, and liver. Intrahepatic lipid and abdominal visceral fat area were measured by 1H-magnetic resonance spectroscopy and MRI, respectively. Subjects were divided into four groups based on the presence or absence of VFA (visceral fat area ≥100 cm2) and FL (intrahepatic lipid ≥ 5%): control (non-VFA, non-FL; n = 54), VFA only (n = 18), FL only (n = 7), and VFA plus FL (n = 8). Results Subjects in the FL only and VFA plus FL groups had insulin resistance in adipose tissue and muscle, as well as relatively lower hepatic insulin sensitivity. The specific insulin sensitivities in these organs were comparable in the VFA only and control groups. Conclusions In nonobese Japanese men without diabetes, subjects with FL only or VFA plus FL but not VFA only had insulin resistance, suggesting that FL may be a more useful clinical marker than VFA to predict insulin resistance in nonobese Japanese men without diabetes.
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