Contrast-enhanced transcranial Doppler (c-TCD) has been used to detect right-to-left shunts (RLS) because it is highly sensitive and cost-effective. The use of provocation maneuvers, such as physiologic maneuvers (e.g., coughing) and the Valsalva maneuver (VM) to transiently increase right atrial pressure and induce RLS increases the sensitivity of RLS detection. In this study, we sought to det...

Two recursive least-squares (RLS) adaptive filtering algorithms are most often used in practice, the exponential and sliding (rectangular) window RLS algorithms. This popularity is mainly due to existence of low-complexity versions these However, two windows not always best choice for identification fast time-varying systems, when performance important. In this paper, we show how with arbitrary...

A framework for obtaining fast RLS algorithms which use a roughly quantized auxiliary input signal for eeciently updating the required adaptation gain vector is presented. The new adaptation procedure is very similar to the conventional fast RLS adaptation. Analytically, it is shown that the lter weights are found by solving almost the same normal equations corresponding to the RLS case. Obtain...

Restless leg syndrome (RLS) is a common cause of painful legs. The leg pain of restless leg syndrome typically eases with motion of the legs and becomes more noticeable at rest. Stress or emotional upset can make symptoms worse. The purpose of the present study was to examine the relationship of emotional disturbance and quality of life to the severity of RLS. Using a descriptive-correlational ...

BACKGROUND Despite a confirmed association between restless legs syndrome (RLS) and end-stage renal disease (ESRD), there is no study on patients presenting with nephrotic syndrome (NS). To investigate the frequency of RLS and poor quality sleep in NS-patients secondary to primary glomerulopathy with nearly normal glomerular filtration rate (GFR) and its associated factors. METHODS Patients w...

The main limitation of FQRD-RLS algorithms is that they lack an explicit weight vector term. Furthermore, they do not directly provide the variables allowing for a straightforward computation of the weight vector as is the case with the conventional QRD-RLS algorithm, where a back-substitution procedure can be used to compute the coefficients. Therefore, the applications of the FQRD-RLS algorit...

Insomnia and excessive sleepiness are among the most commonly reported sleep problems related to shift work. Sleep-related movement disorders have, however, received far less attention in relation to such work schedules. The objective of this study was to investigate the association between different shift work schedules and the prevalence of Restless legs syndrome/Willis-Ekbom disease (RLS/WED...

Tekdos Demircioğlu et al. found that the prevalence of RLS among patients undergoing HD was high (41%).[1] In addition, a review article noted the prevalence of “uremic RLS” was approximately 30% in endstage renal disease (ESRD) patients.[2] However, its prevalence in this group ranged between 6.6% and 80% in various reports.[3–5] Based on the International RLS Study Group (IRLSSG) criteria, an...

Restless legs syndrome (RLS) is a sleep-related movement disorder commonly involving an unpleasant urge to move the limbs, typically the legs. Dopaminergic agents represent the first-line therapy for RLS; however, long-term use of such drugs results in worsening symptoms due to "augmentation" or other adverse events. Gabapentin, an analog of the inhibitory neurotransmitter gamma-aminobutyric ac...

Although frequently underdiagnosed, several epidemiological studies have estimated the prevalence of restless legs syndrome (RLS) in western countries at 5-15% of the general population. The diagnosis is usually made on a clinical basis, according to the criteria established by the international RLS study group. There are case reports of transient RLS in opiate withdrawal. We describe three opi...