نتایج جستجو برای: ddd
تعداد نتایج: 1684 فیلتر نتایج به سال:
INTRODUCTION The pacemaker implantation VDD is considered simpler, faster, less expensive and causes fewer complications compared to DDD. However, the VDD pacemaker has not been widely used in many centers, perhaps for fear of dysfunction of the sinus node and the reduction of atrial sensitivity by the pacemaker during follow-up after implantation. OBJECTIVE To compare patients with DDD and V...
Dowling-Degos disease (DDD) is an autosomal-dominant disorder of skin pigmentation associated with mutations in keratin 5 (KRT5), protein O-fucosyltransferase 1 (POFUT1), or protein O-glucosyltransferase 1 (POGLUT1). Here, we have identified 6 heterozygous truncating mutations in PSENEN, encoding presenilin enhancer protein 2, in 6 unrelated patients and families with DDD in whom mutations in K...
BACKGROUND The aim was to determine distribution and trends in the outpatient utilization of antipsychotics to evaluate the rationality of antipsychotic drug prescribing during the ten year period. SUBJECTS AND METHODS The epidemiological method of descriptive and analytical observation was used. Data on drug utilization from Zagreb Municipal Pharmacy were used to calculate the number of defi...
BACKGROUND Dual chamber pacemakers (single chamber pacing dual chamber sensing cardiac pacemaker (VDD) and dual chamber pacing and sensing cardiac pacemaker (DDD)) are being used frequently in children and adolescents. The aim of this study was to verify the safety and performance of the VDD and DDD pacing systems, and to evaluate the differences between two pacing modes with regard to atrial s...
This study compared the utilization and cost of antibacterial agents in surgical units of 2 government hospitals in Palestine. The consumption and cost of drugs was estimated in the units over a 1-month period in 2010 using the anatomical therapeutic chemical classification and defined daily doses (DDD) per 100 bed-days. The total consumption of antibacterial agents was 414.1 DDD and 591.5 DDD ...
Abstract The advent of inexpensive data storage has resulted in larger and datasets as the cost pruning becomes more expensive then storing it for future insights. This decreasing also led to practice multiple locations redundancy. However, without any uniform method determining link costs different sites, a dataset is not always retrieved from most effective site. Distributed DNS, or DDD, solv...
the space environment consists mainly of high-energy charged particles, such as protons, electrons and heavy ions. they are originating from several sources including galactic cosmic radiation, solar flares and van allen belts. high energy electromagnetic radiation and neutrons have also been measured on spacecraft. although shielding can reduce the effect of space radiation it cannot be elimin...
A permanent pacemaker (PPM) with dual chamber pacing (DDD) offers atrioventricular synchronization for patients with atrioventricular block (AVB). Single lead atrial synchronous ventricular pacing mode (VDD) is an alternative, but there are concerns about its efficacy and risk of atrial undersensing. Whether VDD can be a good alternative in patients with AVB remains unknown. The aim of the pres...
BACKGROUND AND OBJECTIVES dense deposit disease (DDD) is the prototypical membranoproliferative glomerulonephritis (MPGN), in which fluid-phase dysregulation of the alternative pathway (AP) of complement results in the accumulation of complement debris in the glomeruli, often producing an MPGN pattern of injury in the absence of immune complexes. A recently described entity referred to as GN wi...
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