We collected information on age, gender, headache type and comorb

We collected information on age, gender, headache type and comorbidity. Patients were divided into three diagnostic groups: migraine and tension-type headache (CTT) diagnosis were made according to ICHD-II, and CDH fulfilling the Proposal Headache Classification for Chronic Daily Headache described by Silberstein and Lipton (in Chronic daily headache including transformed migraine, chronic tension-type headache, and medication overuse, 2001). We used descriptive statistics and Chi-square test. Our data show that age, gender and headache onset were similar in the three groups. Diabetes, hypercolesterolaemia, smoke and cardiopathy prevalence did not differ in the three groups (P > 0.05). Hypertension prevalence

in CDH MI-503 chemical structure group (16.2%) was significantly higher than in the other two groups (migraine 7.3%; CTT 6.6%; P < 0.01). There were no differences (P > 0.05) in hypertension prevalence between CDH with and without medication overuse. CDH patients (mean age 41.8 +/- A 14) referred to the Headache Center later than migraine and CTT patients (mean age 37 +/- A 12) (P Selleck PLX 4720 > 0.05). According to previous studies we found that hypertension is more frequent in CDH than in migraine and CTT. Examining this result it is possible to conclude that there exists

an association between CDH and hypertension, but not that a causal relationship necessarily exists. Considering the other somatic conditions we did not find any correlation. The potential role of somatic comorbidity in CDH has to be studied in further clinical trials.”
“Mesua ferrea L. seed oil based highly branched polyester and epoxy resins blends were prepared by mechanical mixing at different weight ratios. The best performing blend was used

as the matrix for the preparation of nanocomposites with different dose levels of organophilic montmorillonite (OMMT) nanoclay. The prepared nanocomposites were characterized by X-ray diffraction, scanning electron microscopy, Fourier transform infrared spectroscopy, and transmission electron microscopy. Data resulting from the mechanical and thermal studies of the blends and nanocomposites indicated improvements in the tensile strength and thermal stability to appreciable extents for the nanocomposites with OMMT loading. The nanocomposites were characterized as well-dispersed, partially exfoliated structures AG-014699 solubility dmso with good interfacial interactions. From the X-ray diffraction analysis, the absence of d(001) reflections of the OMMT clay in the cured nanocomposites indicated the development of an exfoliated clay structure, which was confirmed by transmission electron microscopy. The homogeneous morphologies of the pure polyester/epoxy blend and clay hybrid systems were ascertained with scanning electron microscopy. The tensile strength of the 5 wt % clay-filled blend nanocomposite system was increased by 2.4 times compared to that of the pure blend resin system.

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