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RESULTS Thousands of features in rice grain lipids were detected, and were grouped into six categories-fatty acyls, glycerolipids, glycerophospholipids, sphingolipids, sterol lipids and prenol lipids. A strong genotypic basis for the lipid profile was observed among the four varieties grown under five nitrogen treatments. Clear differentiation in lipid profiles between waxy and non-waxy rice was observed. Strong correlations were observed for putative lipids that form the amylose-lipid complex and with amylose content and viscosity parameters. CONCLUSIONS This study demonstrates the strength of untargeted lipidomics in putatively determining features that differentiate varieties from each other, and reveals the role of specific lipids on the physical and textural quality of rice.PURPOSE To evaluate the diagnostic value of shear wave elastography (SWE) combined with contrast-enhanced ultrasonography (CEUS) in diagnosing thyroid imaging reporting and data system (TI-RADS) category 4a and 4b nodules. METHODS TI-RADS, SWE, and CEUS features of 71 thyroid nodules (23 benign, 48 malignant) confirmed by postoperative pathological results were retrospectively analyzed. The diagnostic efficiency of each single method and that of a combination of three methods were compared. RESULTS The sensitivity and specificity in diagnosing thyroid nodules were 70.83% and 65.22% for TI-RADS, 68.75% and 91.30% for SWE, 77.08% and 78.26% for CEUS, and 91.67% and 95.65% for TI-RADS + SWE + CEUS, respectively. The area under the curve for TI-RADS, SWE, CEUS, and TI-RADS + SWE + CEUS in diagnosing thyroid nodules were 0.680, 0.839, 0.799, and 0.937, respectively. A significant difference was observed between a combination of the three methods and any of them alone (p  less then  0.05). CONCLUSION Combining SWE and CEUS improves the differential diagnosis of TI-RADS category 4a and 4b nodules.PURPOSE To study the diastolic functions using color Doppler M-mode (CDMM) for noninvasive analysis of the intraventricular pressure difference (IVPD) in diabetic rats. METHODS Two equal groups of rats were included control and streptozotocin-induced DM (n = 15). The cardiac functions were examined monthly using conventional echocardiography and CDMM with a specific MATLAB software. Echocardiography was performed under 2% isoflurane mask inhalation. Five months thereafter, all rats were killed for macroscopic and microscopic examinations of the cardiac fibrosis. RESULTS DM rats showed higher systolic blood pressure and diastolic dysfunction, i.e., decreases in several parameters such as E, E/A, TDIs, and IVPDs, compared to the controls. Moreover, obvious cardiac fibrosis was seen in perivascular and interstitial tissues, but there were no notable differences in terms of gross lesions. CONCLUSIONS Because of the noninvasive nature of CDMM, IVPD and other conventional echocardiographic parameters can be used as reliable indicators generally for evaluating cardiac function and particularly the change in intraventricular pressure.BACKGROUND Gastroparesis is a heterogeneous disorder. Patient characteristics and treatment responsiveness may differ based on the extent of delay in gastric emptying. AIMS Characterize gastroparesis patients based on the degree of delay in gastric emptying, and assess the relationship of patient demographics, symptoms and response to therapy based on the extent of delay. METHODS 1333 solid-phase 4-h scintigraphic gastric emptying scans were reviewed. Selleckchem CBR-470-1 Delayed emptying was categorized on percent retention at 4 h mild (10-19%), moderate (20-29%), and severe (≥ 30%). Analyses were performed with regard to demographics, symptoms, esophagogastroduodenoscopy findings, medication use, and emergency department (ED) visits/hospitalizations. RESULTS 284 patients had delayed gastric emptying mild (42.6%), moderate (19.3%), and severe (37.3%). 79.5% were women, the mean age was 45 years (± 15), and mean symptom duration was 4.6 years (± 6.5). The main categories of gastroparesis were idiopathic and diabetes mellitus. The most commonly prescribed medications were metoclopramide, domperidone and erythromycin. Opiate use (n = 69) was associated with an increased degree of delayed gastric emptying (p = 0.03) with 50% of opiate users having very delayed gastric emptying. One-way analysis revealed that severely delayed gastric emptying correlated with both increased hospitalizations and ED visits. CONCLUSIONS Severe delay in gastric emptying is a risk factor for increased hospitalizations and ED visits. Opiate use correlates with increased severity of gastric emptying. Identifying at-risk patients, stopping opioids, and instituting a programmatic care plan for patients with severely delayed gastric emptying may reduce ED visits, hospitalizations, and healthcare costs.OBJECTIVES Loeys-Dietz syndrome (LDS) and vascular Ehlers-Danlos Syndrome (vEDS) are genetically heterogeneous heritable disorders of connective tissue. Both are multi-system disorders with dominant vascular pathology and associated gastrointestinal manifestations. AIM To summarize the abdominal manifestations found in these two disorders in a cohort of patients seen at Mayo Clinic during a period of 25 years. METHODS Data were collected via the advanced cohort explorer (ACE) of Mayo Clinic records from 1994 to 2018 in patients with vEDS or LDS confirmed by genetic testing and/or medical genetics consultation. We extracted information concerning gastrointestinal symptoms, abdominal hernias, and vascular manifestations or complications. RESULTS We identified and reviewed records of 68 vEDS and 13 LDS patients. Patients were similar in age at diagnosis and gender distribution. Gastrointestinal symptoms were frequently reported in both disorders and largely similar, although altered bowel function was more prevalent in LDS patients. Hernias were present in similar proportions of patients with vEDS and LDS; however, ventral hernias were more frequent and more likely to be postoperative in vEDS than LDS. LDS patients had more arterial aneurysms overall (76.9% LDS vs. 58% vEDS, p = 0.02) and a higher proportion required arterial repair (69.2% LDS vs. 32.7% vEDS S, p = 0.03). Co-morbidities of autonomic dysfunction, psychopathology (most commonly anxiety, depression, adjustment disorder), and allergy were more prevalent in LDS than vEDS. CONCLUSION Patients with vEDS and LDS had a propensity for gastrointestinal symptoms, abdominal hernias, and aneurysm formation, but repair for arterial rupture was more prevalent in LDS than EDS.
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