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Relaxation Technique

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6401. Tracheal intubation without muscle relaxants: a randomized study of remifentanil or alfentanil in combination with thiopental. (Abstract)

Tracheal intubation without muscle relaxants: a randomized study of remifentanil or alfentanil in combination with thiopental. The combination of alfentanil-propofol or remifentanil-propofol provides adequate conditions for tracheal intubation without neuromuscular blocking drugs in most patients, but hypottension can occur during induction of anesthesia with propofol. We compared clinically acceptable intubating conditions and cardiovascular responses to induction and endotracheal intubation (...) . Intubating conditions were assessed as excellent, satisfactory, fair, or unsatisfactory. Arterial blood pressure and heart rate changes accompanying the four induction techniques were also recorded.Overall conditions at intubation were significantly better (P<.05), and the frequency of excellent conditions was significantly higher (P<.05) in the R4 or A40 group compared with the R2 or R3 group. Intubating conditions were not significantly different between group R4 and A40 (P>.05). The highest dose

2008 Annals of Saudi medicine Controlled trial quality: uncertain

6402. Brief relaxation versus music distraction in the treatment of dental anxiety: a randomized controlled clinical trial. (Abstract)

Brief relaxation versus music distraction in the treatment of dental anxiety: a randomized controlled clinical trial. Dental anxiety is a significant cause of poor dental health. Because patients often prefer nonpharmacological interventions, the clinical effectiveness of clearly structured approaches is of particular interest.This prospective randomized controlled study compares a brief relaxation method (BR) with music distraction (MD) and with a control group (C). The authors randomly (...) , whereas MD did not have a clinically relevant effect on these subjects.BR appears to be a safe, economically sound and effective nonpharmacological approach to the short-term reduction of dental anxiety. Additional investigations are needed to validate these findings in a larger clinical trial and to determine the long-term effects of this intervention.Relaxation techniques are a pragmatic, effective and cost-saving method of facilitating dental treatment in anxious patients.

2008 Journal of the American Dental Association Controlled trial quality: uncertain

6403. Addition of rectus sheath relaxation incisions to emergency midline laparotomy for peritonitis to prevent fascial dehiscence. (Abstract)

of peritonitis, the surgical procedures performed, and the presence of known risk factors for fascial dehiscence. Fifty patients each were randomized either to the conventional continuous mass closure procedure or the rectus sheath relaxation incision technique (designed to increase wound elasticity and decrease tension in the suture line) using identical polypropylene sutures. The incidence of postoperative complications such as duration of ileus, chest infection, and wound infection were not statistically (...) of peritonitis using the rectus sheath relaxation technique is safe and less painful, provides increased wound elasticity and decreased tension on the suture line, and significantly decreases the incidence of wound dehiscence.

2005 World Journal of Surgery Controlled trial quality: uncertain

6404. The relationship between isometric contraction durations during hold-relax stretching and improvement of hamstring flexibility. (Abstract)

The relationship between isometric contraction durations during hold-relax stretching and improvement of hamstring flexibility. Previous research suggests proprioceptive neuromuscular facilitation (PNF) stretching techniques produce greater increases in range of motion than static or ballistic. The purpose of this study was to determine the isometric contraction hold time that best produces gains in hip range of motion after a 3-s (3-HR), 6-second (6-HR), and 10-s (10-HR) hold-relax PNF (...) stretch.The experimental design was a within subjects repeated measures 2 factor (baseline and treatment) by 3 factor (3-HR, 6-HR, 10-HR) ANOVA. The dependent variable was hamstring flexibility as measured in degrees of passive hip flexion with the knee extended. Measurements were taken in a university athletic therapy clinic. Sixty active individuals without history of knee or hip injury volunteered for this study. Each subject was randomly assigned to a 3-HR, 6-HR, or 10-HR group for the hold-relax PNF

2004 The Journal of sports medicine and physical fitness Controlled trial quality: uncertain

6405. Acute effects of a guided relaxation routine (body scan) on tobacco withdrawal symptoms and cravings in abstinent smokers. Full Text available with Trip Pro

Acute effects of a guided relaxation routine (body scan) on tobacco withdrawal symptoms and cravings in abstinent smokers. To examine the acute effects of a guided relaxation routine (body scan) on desire to smoke and tobacco withdrawal symptoms in overnight abstinent smokers.Experimental.Thirty individuals reporting to smoke 10 or more cigarettes daily for at least 3 years.Participants were assigned randomly to complete a 10-minute body scan (experimental group n = 15) or listen to a natural (...) group also reported lower ratings of irritability, tension and restlessness, relative to the controls.A brief body scan intervention reduces strength of desire to smoke and some tobacco withdrawal symptoms in temporarily abstaining smokers. The body scan may be beneficial as a technique for managing cigarette cravings and withdrawal.

2007 Addiction (Abingdon, England) Controlled trial quality: uncertain

6406. A randomized controlled trial of the effects of applied relaxation training on reducing anxiety and perceived stress in pregnant women. (Abstract)

group after the intervention. The findings suggest beneficial effects of relaxation on reducing anxiety and perceived stress in pregnant women. Teaching relaxation techniques could serve as a resource for improving maternal psychological health. (...) A randomized controlled trial of the effects of applied relaxation training on reducing anxiety and perceived stress in pregnant women. The purpose of this study was to investigate the effect of applied relaxation training on reducing anxiety and perceived stress among pregnant women. A randomized controlled trial with a prospective pretest-posttest experimental design was used. One hundred ten primigravid women (mean age = 23.8 years) in their second trimester (mean of gestational age = 17.8

2005 Journal of midwifery & women's health Controlled trial quality: uncertain

6407. Is spirituality a critical ingredient of meditation? Comparing the effects of spiritual meditation, secular meditation, and relaxation on spiritual, psychological, cardiac, and pain outcomes. (Abstract)

Is spirituality a critical ingredient of meditation? Comparing the effects of spiritual meditation, secular meditation, and relaxation on spiritual, psychological, cardiac, and pain outcomes. This study compared secular and spiritual forms of meditation to assess the benefits of a spiritual intervention. Participants were taught a meditation or relaxation technique to practice for 20 min a day for two weeks. After two weeks, participants returned to the lab, practiced their technique for 20 min

2005 Journal of behavioral medicine Controlled trial quality: uncertain

6408. Advantages of late expiratory relaxation during maximal forced expiratory maneuver. (Abstract)

Advantages of late expiratory relaxation during maximal forced expiratory maneuver. A modification of the maneuver for the maximal expiratory flow volume (MEFV) curve was described recently to improve the rate of achieving the acceptability criteria of the American Thoracic Society. The maneuver allows the subject to relax in the later part of expiration. The present study was carried out to determine if the modified spirometry technique offered any advantages over the standard FVC maneuver (...) in patients with moderate and severe airways obstruction along with increased FET. PEFR and FEV1 were not different between the techniques. FEV1/FVC ratio was significantly decreased in patients with moderate and severe airways obstruction. Both the techniques gave equally acceptable and reproducible results with similar variability for FEV1 and FVC. It was concluded that the modification of the standard FVC maneuver by allowing the subject to relax in the later part of expiration is advantageous

2008 The Indian journal of chest diseases & allied sciences Controlled trial quality: uncertain

6409. Effectiveness of relaxation for postoperative pain and anxiety: randomized controlled trial. (Abstract)

Effectiveness of relaxation for postoperative pain and anxiety: randomized controlled trial. This paper is a report of a study to determine the effectiveness of jaw and total body relaxation for postoperative pain, anxiety and level of relaxation, and to determine any patient expectancy effects.Relaxation is increasingly suggested as a pain control technique that can be used by nurses in daily practice. A systematic review of the effectiveness of relaxation for postoperative pain relief (...) revealed many poorly designed studies and only some weak evidence supporting the use of relaxation for postoperative pain.A randomized controlled trial (n = 118) was conducted between 2002 and 2003 to compare total body relaxation, jaw relaxation, attention control and usual care. Consenting patients admitted for elective orthopaedic surgery aged 18 or over, able to speak English and able to tense and relax more than two muscle groups were included. Pain at rest and on movement, anxiety and relaxation

2008 Journal of advanced nursing Controlled trial quality: uncertain

6410. A relaxation response randomized trial on patients with chronic heart failure. (Abstract)

A relaxation response randomized trial on patients with chronic heart failure. Patients with various medical conditions benefit from eliciting the relaxation response (RR), using a variety of techniques, but few studies have focused on chronic heart failure (CHF). We evaluated the efficacy of an RR intervention program on the quality of life (QOL) and exercise capacity of CHF patients by conducting a single-blind, 3-arm, randomized, controlled trial.Between April 2000 and June 2002, we enrolled (...) 95 patients with moderate severity CHF from the Veterans Affairs Boston Healthcare System. Patients in the study intervention group attended a weekly RR group for 15 weeks and were requested to practice the techniques at home twice a day. A 15-week cardiac education (EDU) program was used as an alternative intervention, and usual care (UC) was the control group. The QOL questionnaires and a bicycle test were administered at baseline and after intervention or 15 to 19 weeks.Eighty-three (87

2005 Journal of cardiopulmonary rehabilitation Controlled trial quality: uncertain

6411. Relaxation and health-related quality of life in multiple sclerosis: the example of autogenic training. (Abstract)

Relaxation and health-related quality of life in multiple sclerosis: the example of autogenic training. This study was a pilot project to explore the effect of an autogenic training program (AT; a relaxation intervention) on the health-related quality of life (HRQOL) and well-being for people with multiple sclerosis. Participants either met weekly for sessions in AT for 10 weeks (n = 11) or were assigned to the control group (n = 11). The AT group was also asked to practice the technique daily (...) with sufficiently sized samples to explore the effect of frequency of practice of relaxation training on HRQOL and well-being for people with multiple sclerosis.

2005 Journal of behavioral medicine Controlled trial quality: uncertain

6412. [Intracranial pressure response during secretion aspiration after administration of a muscle relaxant]. (Abstract)

[Intracranial pressure response during secretion aspiration after administration of a muscle relaxant]. Aspiration of secretions is a usual nursing technique in patients undergoing mechanical ventilation that may be the cause of increased Intracranial Pressure (ICP).This study aims to evaluate the repercussion of a muscle relaxant on ICP with secretion aspiration.Clinical trial using the same patient as case and control, performing two endotracheal aspirations in each patients, on of them after (...) administration of a muscle relaxant (Cis-Atracurium) and another no. The bolus administration of the relaxant in the first or second aspiration was done randomly. Thirteen patients with intraparenchymatous ICP measurement catheter were studied within the first 36 hours post-placement and with sedoanalgesia for a score of 6 on the Ramsay scale. ICP and CPP were measured before, during and after each aspiration.SPSS 11.0 program was used. Data analysis by Student's t test for paired data. Statistical

2005 Enfermería intensiva / Sociedad Española de Enfermería Intensiva y Unidades Coronarias Controlled trial quality: uncertain

6413. Lightwand tracheal intubation with and without muscle relaxation. (Abstract)

Lightwand tracheal intubation with and without muscle relaxation. Lightwand tracheal intubation is a suitable technique for patients who are difficult to intubate but who are receiving effective ventilation. The effect of muscle relaxants on the efficacy of lightwand intubation has not yet been evaluated. The authors conducted a prospective, double-blind, placebo-controlled study to assess the effectiveness and incidence of complications of lightwand tracheal intubation performed during general (...) anesthesia with and without the use of a muscle relaxant in patients with apparently normal airway anatomy.One hundred seventy-six patients who required orotracheal intubation were prospectively included. Anesthesia was administered using propofol (2 mg/kg, then 3 mg . kg (-1). h(-1)) and remifentanil (1 microg/kg, then 0.3 microg . kg(-1) . min(-1)). Patients were randomly assigned to one of two groups (n = 88 for each) to receive rocuronium 0.6 mg/kg or saline intravenously. Lightwand orotracheal

2006 Anesthesiology Controlled trial quality: uncertain

6414. Limbal relaxing incisions versus on-axis incisions to reduce corneal astigmatism at the time of cataract surgery. (Abstract)

Limbal relaxing incisions versus on-axis incisions to reduce corneal astigmatism at the time of cataract surgery. To compare limbal relaxing incisions (LRIs) with placement of the corneal cataract incision on the steepest keratometric axis for the reduction of preexisting corneal astigmatism at the time of cataract surgery.The Queen Elizabeth Hospital, Adelaide, South Australia, Australia.In a prospective single center study, patients having 1.5 diopters (D) or more of keratometric astigmatism (...) were randomly assigned to 2 surgical techniques: on-axis incisions (OAIs) consisting of a single clear corneal cataract incision centered on the steepest corneal meridian or LRIs consisting of 2 arcuate incisions straddling the steepest corneal meridian and a temporal clear corneal incision. Vector analysis of the target axis flattening effect was used to assess the efficacy of treatment.Seventy-one eyes of 71 patients were evaluated, 33 in the OAI group and 38 in the LRI group. Six weeks

2005 Journal of cataract and refractive surgery Controlled trial quality: uncertain

6415. NMR Relaxation Studies on the Hydrate Layer of Intrinsically Unstructured Proteins Full Text available with Trip Pro

linked with their mechanism of action, require close attention. Here we demonstrate that the hydration of IUPs can be adequately approached by a technique so far unexplored with respect to IUPs, solid-state NMR relaxation measurements. This technique provides quantitative information on various features of hydrate water bound to these proteins. By freezing nonhydrate (bulk) water out, we have been able to measure free induction decays pertaining to protons of bound water from which the amount (...) NMR Relaxation Studies on the Hydrate Layer of Intrinsically Unstructured Proteins Intrinsically unstructured/disordered proteins (IUPs) exist in a disordered and largely solvent-exposed, still functional, structural state under physiological conditions. As their function is often directly linked with structural disorder, understanding their structure-function relationship in detail is a great challenge to structural biology. In particular, their hydration and residual structure, both closely

2004 Biophysical journal

6416. Integrating Biosystem Models Using Waveform Relaxation Full Text available with Trip Pro

Integrating Biosystem Models Using Waveform Relaxation Modelling in systems biology often involves the integration of component models into larger composite models. How to do this systematically and efficiently is a significant challenge: coupling of components can be unidirectional or bidirectional, and of variable strengths. We adapt the waveform relaxation (WR) method for parallel computation of ODEs as a general methodology for computing systems of linked submodels. Four test cases (...) independently of the solution techniques for the individual components, which may be distributed in different computing environments.

2008 EURASIP Journal on Bioinformatics and Systems Biology

6417. Hydration Dependence of Conformational Dielectric Relaxation of Lysozyme Full Text available with Trip Pro

Hydration Dependence of Conformational Dielectric Relaxation of Lysozyme Dielectric response of hen egg white lysozyme is measured in the far infrared (5-65 cm-1, 0.15-1.95 THz, 0.6-8.1 meV) as a function of hydration. The frequency range is associated with collective vibrational modes of protein tertiary structure. The observed frequency dependence of the absorbance is broad and glass-like. For the entire frequency range, there is a slight increase in both the absorbance and index (...) that at low hydrations, the low frequency conformational hen egg white lysozyme dynamics can be described by a dielectric relaxation model where the protein relaxes to different local minima in the conformational energy landscape. However, the low frequency complex permittivity does not allow for a pure relaxational mechanism. The data can best be modeled with a single low frequency resonance (nu approximately 120 GHz=4 cm-1) and a single Debye relaxation process (tau approximately .03-.04 ps). Terahertz

2006 Biophysical journal

6418. Re-evaluation of the model-free analysis of fast internal motion in proteins using NMR relaxation Full Text available with Trip Pro

function. A popular treatment of NMR relaxation phenomena in macromolecules dissolved in liquids is the so-called model-free approach of Lipari and Szabo. The robustness of the mode-free approach has recently been strongly criticized and the remarkable range and structural context of the internal motion of proteins, characterized by such NMR relaxation techniques, attributed to artifacts arising from the model-free treatment, particularly with respect to the symmetry of the underlying motion. We (...) Re-evaluation of the model-free analysis of fast internal motion in proteins using NMR relaxation NMR spin relaxation retains a central role in the characterization of the fast internal motion of proteins and their complexes. Knowledge of the distribution and amplitude of the motion of amino acid side chains is critical for the interpretation of the dynamical proxy for the residual conformational entropy of proteins, which can potentially significantly contribute to the entropy of protein

2008 The journal of physical chemistry. B

6419. Asymmetric Insertion of Membrane Proteins in Lipid Bilayers by Solid-State NMR Paramagnetic Relaxation Enhancement: A Cell-Penetrating Peptide Example Full Text available with Trip Pro

Asymmetric Insertion of Membrane Proteins in Lipid Bilayers by Solid-State NMR Paramagnetic Relaxation Enhancement: A Cell-Penetrating Peptide Example A novel solid-state NMR technique for identifying the asymmetric insertion depths of membrane proteins in lipid bilayers is introduced. By applying Mn (2+) ions on the outer but not the inner leaflet of lipid bilayers, the sidedness of protein residues in the lipid bilayer can be determined through paramagnetic relaxation enhancement (PRE

2008 Journal of the American Chemical Society

6420. Furanose Dynamics in the HhaI Methyltransferase Target DNA Studied by Solution and Solid State NMR Relaxation Full Text available with Trip Pro

Furanose Dynamics in the HhaI Methyltransferase Target DNA Studied by Solution and Solid State NMR Relaxation Both solid-state and solution NMR relaxation measurements are routinely used to quantify the internal dynamics of biomolecules, but in very few cases have these two techniques been applied to the same system, and even fewer attempts have been made so far to describe the results obtained through these two methods through a common theoretical framework. We have previously collected both (...) solution 13C and solid-state 2H relaxation measurements for multiple nuclei within the furanose rings of several nucleotides of the DNA sequence recognized by HhaI methyltransferase. The data demonstrated that the furanose rings within the GCGC recognition sequence are very flexible, with the furanose rings of the cytidine, which is the methylation target, experiencing the most extensive motions. To interpret these experimental results quantitatively, we have developed a dynamic model of furanose rings

2008 The journal of physical chemistry. B

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