A novel algorithm based on ensemble empirical mode decomposition for non-invasive fetal ECG extraction.

Non-invasive fetal electrocardiography appears to be one of the most promising fetal monitoring techniques during pregnancy and delivery nowadays. This method is based on recording electrical potentials produced by the fetal heart from the surface of the maternal abdomen. Unfortunately, in addition to the useful fetal electrocardiographic signal, there are other interference signals in the abdominal recording that need to be filtered.

White matter dissection with the Klingler technique: a literature review.

The aim of this literature review is to present a summary of the published literature relating the details of the different modifications of specimen preparation for white matter dissection with the Klingler technique. For this review, 3 independent investigators performed an electronic literature search that was carried out in the Pubmed, Scopus and Web of Science databses up to December 2019. Furthermore, we performed citation tracking for the articles missed in the initial search.

New Method for Beat-to-Beat Fetal Heart Rate Measurement Using Doppler Ultrasound Signal.

The most commonly used method of fetal monitoring is based on heart activity analysis. Computer-aided fetal monitoring system enables extraction of clinically important information hidden for visual interpretation-the instantaneous fetal heart rate (FHR) variability. Today's fetal monitors are based on monitoring of mechanical activity of the fetal heart by means of Doppler ultrasound technique.

Fetal electrocardiograms, direct and abdominal with reference heartbeat annotations.

Monitoring fetal heart rate (FHR) variability plays a fundamental role in fetal state assessment. Reliable FHR signal can be obtained from an invasive direct fetal electrocardiogram (FECG), but this is limited to labour. Alternative abdominal (indirect) FECG signals can be recorded during pregnancy and labour.

Detection of Atrial Fibrillation Episodes in Long-Term Heart Rhythm Signals Using a Support Vector Machine.

Atrial fibrillation (AF) is a serious heart arrhythmia leading to a significant increase of the risk for occurrence of ischemic stroke. Clinically, the AF episode is recognized in an electrocardiogram. However, detection of asymptomatic AF, which requires a long-term monitoring, is more efficient when based on irregularity of beat-to-beat intervals estimated by the heart rate (HR) features.

Bioresorbable Vascular Scaffolds-Dead End or Still a Rough Diamond?

Percutaneous coronary interventions with stent-based restorations of vessel patency have become the gold standard in the treatment of acute coronary states. Bioresorbable vascular scaffolds (BVS) have been designed to combine the efficiency of drug-eluting stents (DES) at the time of implantation and the advantages of a lack of foreign body afterwards. Complete resolution of the scaffold was intended to enable the restoration of vasomotor function and reduce the risk of device thrombosis.

A Review of Signal Processing Techniques for Non-Invasive Fetal Electrocardiography.

Fetal electrocardiography (fECG) is a promising alternative to cardiotocography continuous fetal monitoring. Robust extraction of the fetal signal from the abdominal mixture of maternal and fetal electrocardiograms presents the greatest challenge to effective fECG monitoring. This is mainly due to the low amplitude of the fetal versus maternal electrocardiogram and to the non-stationarity of the recorded signals.

Metasynthesis: Dying adults' transition process from cure-focused to comfort-focused care.

Aim: To describe and explain the process of transition from cure-focused to comfort-focused health care as perceived and reported by patients, family members, and healthcare providers.

Background: Moving into the last phase of life due to advanced illness constitutes a developmental transition with increased vulnerability for patients and family.

Design: Qualitative metasynthesis.

Ticagrelor - toward more efficient platelet inhibition and beyond.

Novel antiplatelet drugs, including ticagrelor, are being successively introduced into the therapy of atherothrombotic conditions due to their superiority over a standard combination of clopidogrel with acetylsalicylic acid in patients with acute coronary syndromes (ACS). A P2Y12 receptor antagonist, ticagrelor, is unique among antiplatelet drugs, because ticagrelor inhibits the platelet P2Y12 receptor in a reversible manner, and because it demonstrates a wide palette of advantageous pleiotropic effects associated with the increased concentration of adenosine. The pleiotropic effects of ticagrelor comprise cardioprotection, restoration of the myocardium after an ischemic event, promotion of the release of anticoagulative factors and, eventually, anti-inflammatory effects.

Is Abdominal Fetal Electrocardiography an Alternative to Doppler Ultrasound for FHR Variability Evaluation?

Great expectations are connected with application of indirect fetal electrocardiography (FECG), especially for home telemonitoring of pregnancy. Evaluation of fetal heart rate (FHR) variability, when determined from FECG, uses the same criteria as for FHR signal acquired classically-through ultrasound Doppler method (US). Therefore, the equivalence of those two methods has to be confirmed, both in terms of recognizing classical FHR patterns: baseline, accelerations/decelerations (A/D), long-term variability (LTV), as well as evaluating the FHR variability with beat-to-beat accuracy-short-term variability (STV).

Application of fuzzy inference systems for classification of fetal heart rate tracings in relation to neonatal outcome.

Objectives: Fetal monitoring based on the analysis of the fetal heart rate (FHR) signal is the most common method of biophysical assessment of fetal condition during pregnancy and labor Visual analysis of FHR signals presents a challenge due to a complex shape of the waveforms. Therefore, computer-aided fetal monitoring systems provide a number of parameters that are the result of the quantitative analysis of the registered signals. These parameters are the basis for a qualitative assessment of the fetal condition.

Knowledge, attitudes, experiences, and confidence of nurses in completing advance directives: a systematic synthesis of three studies.

Background: Advance directives (ADs) are one of the few means for patients to indicate their end-of-life (EOL) treatment option preference. An effective and consistent solution for increasing the AD completion rate remains elusive. A literature search revealed three studies completed in the United States that employed an identical methodology and focused on registered nurses (RNs).

Relapsing-remitting multiple sclerosis patients' experience with natalizumab: a phenomenological investigation.

This phenomenological investigation was undertaken to gain a better understanding of multiple sclerosis (MS) patients' experience with natalizumab (Tysabri; Biogen Idec Inc, Cambridge, MA) treatment and its impact on their quality of life (QOL). Twenty MS patients who were receiving natalizumab treatment were recruited by the physicians, nurse practitioners, nurses, and social worker of the William C. Baird Multiple Sclerosis Center in Buffalo, New York, between March 2009 and November 2009.

The relationship between acculturation and oral contraceptive use among Korean immigrant women.

We explored the relationship between acculturation and beliefs, attitudes, norms, and intention regarding oral contraceptive use among Korean immigrant women using acculturation and the theory of reasoned action (TRA) as the frameworks. A total of 1,494 Korean surname-based telephone numbers were sampled in New York City. One hundred forty-five Korean immigrant women completed a telephone survey.

Applying the transtheoretical model to health care proxy completion.

Background: For many, an important health decision is whether or not to document end-of-life wishes using an advance directive (e.g., health care proxy).

Predicting the risk of low-fetal birth weight from cardiotocographic signals using ANBLIR system with deterministic annealing and epsilon-insensitive learning.

Cardiotocography (CTG) is a biophysical method of fetal condition assessment based mainly on recording and automated analysis of fetal heart activity. The computerized fetal monitoring systems provide the quantitative description of the CTG signals, but the effective conclusion generation methods for decision process support are still needed. Assessment of the fetal state can be verified only after delivery using the fetal (newborn) outcome data.

Psychometric testing of four transtheoretical model questionnaires for the behavior, completing health care proxies.

The purpose of the study was to develop four questionnaires based on the transtheoretical model (TTM) to assess the behavior, completing a healthcare proxy (HCP). The aims were to (a) operationalize the four TTM constructs for completing a HCP and (b) evaluate the psychometric properties of the questionnaires. The questionnaires were constructed and content validity established using an expert panel.

Metasynthesis: withdrawing life-sustaining treatments: the experience of family decision-makers.

Aim: The present study was undertaken to synthesise findings from qualitative investigations of family participation in decisions to withdraw and/or withhold life-sustaining treatment from a seriously ill family member.

Background: As a consequence of increasing effectiveness and sophistication of available medical interventions, death is commonly preceded by a decision to withdraw or withhold potentially life-sustaining treatments. These decisions take place in a bioethical context characterised by the pre-eminence of self-determination, but patients are typically too ill to make their own decisions.

Spirituality in nursing and health-related literature: a concept analysis.

Spirituality has become an increasingly popular concept among the nursing and health-related literature. The purpose for conducting this concept analysis, guided by Walker and Avant's methodology, was to (a) examine how spirituality has been used within the current body of nursing and health-related literature, (b) clarify the meaning of spirituality by discovering what this concept's current critical attributes/characteristics are, and (c) propose a definition of spirituality based on the concept analysis findings. A total of 90 references were reviewed, including 73 nursing and health-related references.

Some practical remarks on neural networks approach to fetal cardiotocograms classification.

Cardiotocographic monitoring is a primary biophysical method for assessment of a fetal state based on quantitative analysis of the biophysical signals. Although the computerized fetal monitoring systems have become a standard in clinical centres, the effective methods, which could enable conclusion generation, are still being searched. In the proposed work the attempts have been made to answer some important questions, which occurred during application of neural network for classification of the fetal state as being normal or abnormal.

New approach to quantitative description of deceleration of fetal heart rate for the patterns classification.

The most common method of biophysical fetal monitoring is recording and analyzing the cardiotocographic signals. In analysis of the fetal heart rate signal special emphasis is paid to the deceleration patterns and their correlation to the uterine contractions. According to deceleration classification the most important is the distinguishing between the periodic and the episodic types.

Evaluation of fetal heart rate baseline estimation method using testing signals based on a statistical model.

Computer-aided fetal monitoring is based on automated analysis of the fetal heart rate (FHR) variability. The first and the main step in the automated signal interpretation is the estimation of the so called FHR baseline. There are various algorithms for baseline estimation, of different efficiency.

Emergency nurses' knowledge, attitudes, and experiential survey on advance directives.

The purpose of this study was to determine emergency nurses' knowledge of, attitudes toward, and experiences with advance directives (ADs). This was a descriptive, correlation, mailed survey study sent to a random sample of members of the Emergency Nurses Association. The results, based on the responses of 579 emergency nurses, found that the nurses were not very knowledgeable about ADs in general (68% correct) and even less knowledgeable about the Patient Self-Determination Act (PSDA) (51% correct) and their state laws (56% correct).

The effectiveness of interventions to increase advance directive completion rates.

Objective: Despite federal and state laws governing advance directives (ADs), interventions to increase rates of legally completed ADs have not produced significant results. This study synthesizes the state of the science regarding effectiveness of interventions to increase AD completion rates.

Methods: Garrard's method for conducting a systematic literature review was followed.

Attitudes toward oral contraceptive use among women of reproductive age: a systematic review.

Despite the effectiveness of oral contraceptives (OCs), their popularity differs across populations. Attitudes are a significant factor that influences OC use. This report systematically reviews 28 studies on attitudes toward OC use among women.