This study demonstrates that prevalence of HBV and HCV infection in a large IBD cohort from Western Balkans is compared to that of the background population. IBD patients under immunosuppressants may apparently be treated with safety if preventive antiviral treatment is administered.
The prevalence of dysplasia and cancer is increased in UC compared to CD but the prevalence of high-grade dysplasia is comparatively low. Intestinal cancer prevalence is increasing after the first decade and then practically remains stable.
The authors present a case report of extensive facial petechiae following esophagogastroduodenoscopy (EGD). The patient was a previously healthy male who did not receive any medication predisposing to haemorrhage, nor did he suffer from any underlying disorder (as the subsequent diagnostic work-up demonstrated) that predisposed to the extensive facial capillary rupture. Increased intrathoracic pressure during EGD can rarely result in similar cases that are alarming to the patient and possibly the endoscopy staff, and awareness of their potential and their benign nature and prognosis can assist in reassuring patients.
<p>A tuning element with controllable air gap integrated and implemented in a rectangular Ku-band WR62 waveguide is presented. The proposed tuning element concept, consists of two, top and bottom, thin conductive parallelepiped arms, which are placed in the middle of the rectangular waveguide structure. The bottom arm is bending to control the gap width between the two arms, while the second arm is fixed. The curvature of the bending arm is controlled by a piezoelectric actuator, which affects the phase shift of the re-scattered E-field at the output port. The compact size, low-cost and the easy-to-manufacture proposed design offers considerable phase shift with very low insertion loss, given its electrical size and operational waveband. A prototype, for the distinct frequency band, has been manufactured and measured. The same prototype has been simulated in ANSYS HFSS. The numerical results will be later used to validate the actual electromechanical prototype. </p>
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