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Cybermedlife - Therapeutic Actions Biofeedback

Effectiveness of Biofeedback for Primary Headache - A Randomized Controlled Study

Abstract Title: [Effectiveness of Biofeedback for Primary Headache - A Randomized Controlled Study]. Abstract Source: Psychother Psychosom Med Psychol. 2020 Jan 21. Epub 2020 Jan 21. PMID: 31962346 Abstract Author(s): Lisa Kolbe, Tanya Eberhardt, Beate Leinberger, Thilo Hinterberger Article Affiliation: Lisa Kolbe Abstract: BACKGROUND: Biofeedback-treatment for primary headache is highly recommended. Its expenses are mostly not or not completely covered by health funds, hindering the implementation in the care system. This randomized controlled study aimed at evaluating the efficacy of a biofeedback-treatment for primary headache in the outpatient care system all over Germany. METHODS: The participants were divided into a direct treatment-group (n=41) and a waiting control-group (n=29). The treatment was carried out for 8-11 sessions with vasoconstriction-/vasodilation training for migraine, with electromyography training for headache of the tension type (diagnosis according to the criteria of the International Headache Association). Headache characteristics (frequency, duration, intensity) were collected via headache-diary before, during and after the treatment and headache specific disability using the Pain Disability Index before and after the treatment. The waiting group stated additional information of the questionnaires about 3 months before and again ultimately before the start of the treatment. Measurement of the headache specific self-efficacy (Headache Management Self-efficacy Scale) took place every second session. For the collected parameters the effect sizes for r were computed before in comparison to after the treatment and comparing the treatment-group to the waiting-group. RESULTS: Headache characteristics decreased during the time of the study significantly linearly with medium to strong effects (frequency f=0.302, p<0.001, duration f=0.186, p<0.001, mean intensity f=0.502, p<0.001, maximal intensity f=0.546, p<0.001). Using biofeedback the self-efficacy rose significantly (p<0.001, r=0.782), even compared to the waiting time (p<0.001, r=0.604). Additionally the handling of pain, the psychological disability and the disability in everyday life improved significantly. DISCUSSION AND CONCLUSION: Overall the effects were comparable to already existing studies. Therefore biofeedback turned out to be efficient against migraine and tension-type headache in the out-patient care setting. By that a better integration in the care system seems to be qualified. Article Published Date : Jan 20, 2020

Biofeedback and Neurofeedback for Anxiety Disorders: A Quantitative and Qualitative Systematic Review.

Abstract Title: Biofeedback and Neurofeedback for Anxiety Disorders: A Quantitative and Qualitative Systematic Review. Abstract Source: Adv Exp Med Biol. 2020 ;1191:265-289. PMID: 32002934 Abstract Author(s): David F Tolin, Carolyn D Davies, Danielle M Moskow, Stefan G Hofmann Article Affiliation: David F Tolin Abstract: Biofeedback refers to the operant training of physiological responding. Variants include electromyography (EMG), electrodermal activity (EDA), skin temperature, heart rate (HR) and heart rate variability (HRV), respiratory biofeedback of end-tidal CO(ETCO), electroencephalography (EEG) signal, and blood oxygen-level dependent signal using functional magnetic resonance imaging (fMRI). This chapter presents a qualitative and quantitative systematic review of randomized controlled trials of biofeedback for anxiety disorders as defined by the 3rd through 5th editions of the Diagnostic and Statistical Manual of Mental Disorders (DSM). Meta-analytic results indicated that biofeedback (broadly defined) is superior to wait list, but has not been shown to be superior to active treatment conditions or to conditions in which patients are trained to change their physiological responding in a countertherapeutic direction. Thus, although biofeedback appears generally efficacious for anxiety disorders, the specific effects of biofeedback cannot be distinguished from nonspecific effects of treatment. Further, significant limitations were identified in the existing literature, with the majority receiving a"weak"rating according to Effective Public Health Practice Project (EPHPP) rating system guidelines. Future directions for research are discussed. Article Published Date : Dec 31, 2019

Modified Biofeedback (Conditioned Biofeedback) Promotes Antinociception by Increasing the Nociceptive Flexion Reflex Threshold and Reducing Temporal Summation of Pain: A Controlled Trial.

Abstract Title: Modified Biofeedback (Conditioned Biofeedback) Promotes Antinociception by Increasing the Nociceptive Flexion Reflex Threshold and Reducing Temporal Summation of Pain: A Controlled Trial. Abstract Source: J Pain. 2019 Nov 1. Epub 2019 Nov 1. PMID: 31683023 Abstract Author(s): Jamie L Rhudy, Natalie Hellman, Cassandra A Sturycz, Tyler A Toledo, Shreela Palit Article Affiliation: Jamie L Rhudy Abstract: This study examined whether a modified version of biofeedback (ie, Conditioned Biofeedback) that incorporated placebo analgesia-like manipulations could promote antinociception in healthy, pain-free participants. During Conditioned Biofeedback (n = 28), sympathetic arousal level was displayed visually and participants were asked to reduce it while they received painful electric stimulations that were surreptitiously controlled by their arousal level. Thus, electric pain decreased as arousal decreased to associate successful arousal-reduction/relaxation with pain relief, and to promote expectations for future pain relief. A Biofeedback Only group (n = 24) controlled for the general effects of biofeedback/relaxation. A Biofeedback+Shock group (n = 21) controlled for the effects of practicing biofeedback during painful shocks. Nociceptive flexion reflex (NFR) threshold and temporal summation of pain (TS-pain) were used to assess changes in spinal nociception and pain facilitation, respectively. Results indicated all groups showed pre- to postbiofeedback increases in NFR threshold, but only the Conditioned Biofeedback group showed pre- to postbiofeedback reductions in TS-pain. Moreover, Conditioned Biofeedback resulted in a persistent (prebiofeedback) increase in NFR threshold across sessions, whereas Biofeedback Only resulted in a persistent (prebiofeedback) decrease in TS-pain. In sum, Conditioned Biofeedback maypromote antinociception in healthy participants thus reducing risk for chronic pain. The study was registered prospectively on ClinicalTrials.gov (TU1560). PERSPECTIVE: A modified version of biofeedback that employs placebo analgesia manipulations was successful in increasing descending inhibitionand reducing pain facilitation in healthy volunteers. As a result, it may be an effective means of reducing risk of future chronic pain onset by promoting an antinociceptive pain profile. Article Published Date : Oct 31, 2019

The effect of biofeedback training on intestinal function among patients with middle and low rectal cancer: a randomized controlled study. 📎

Abstract Title: The effect of biofeedback training on intestinal function among patients with middle and low rectal cancer: a randomized controlled study. Abstract Source: Ann Transl Med. 2019 Nov ;7(21):605. PMID: 32047766 Abstract Author(s): Li Liu, Xiaodan Wu, Qianwen Liu, Caixing Tang, Baojia Luo, Yujing Fang, Zhizhong Pan, Desen Wan, Meichun Zheng Article Affiliation: Li Liu Abstract: Background: To evaluate the effect of biofeedback on intestinal function among patients with middle and low rectal cancer. Methods: Using a randomized controlled trial design, 109 patients with middle and low rectal cancer indicated to have preoperative radiochemotherapy, anterior resection of the rectum, and preventive stoma were randomly divided into three groups: the blank control group, the pelvic floor muscle exercise group, and the biofeedback training group. A 16-month intervention and longitudinal follow-up study was conducted, and a questionnaire on intestinal function by the Memorial Sloan-Kettering Cancer Center (MSKCC) was adopted into a Chinese version to evaluate patients' intestinal function situation. Results: The intestinal function of the biofeedback training group was better than the blank control group and pelvic floor muscle exercise group. The total score of intestinal function and the scores of each dimension were statistically significant (P<0.05). Conclusions: Biofeedback training could significantly improve the intestinal function of patients with middle and low rectal cancer, promote its recovery, and is thus worthy of clinical application. Article Published Date : Oct 31, 2019

Rehabilitation with biofeedback training in age-related macular degeneration for improving distance vision.

Abstract Title: Rehabilitation with biofeedback training in age-related macular degeneration for improving distance vision. Abstract Source: Can J Ophthalmol. 2019 Jun ;54(3):328-334. Epub 2019 Apr 2. PMID: 31109472 Abstract Author(s): Monica Daibert-Nido, Beatriz Patino, Michelle Markowitz, Samuel N Markowitz Article Affiliation: Monica Daibert-Nido Abstract: OBJECTIVES: Biofeedback training (BT) is a modern method for enhancing the use of preferred retinal loci (PRL) retraining for new retinal loci (TRL), hence improving far and near vision. This article attempts to clarify the optimal methodology for BT and the types of patients who can benefit most from BT. METHODS: This is a retrospective review of cases who received BT with the macular integrity assessment (MAIA) microperimetre. Outcome measures selected for analysis were visual acuity, PRL location, fixation stability, fixation pattern orientation, reading acuity, critical print size, and reading speed. RESULTS: Out of 30 cases who received BT, only those with age-related macular degeneration and visual acuity of logMAR 0.8 (20/126) or poorer showed a visual acuity gain (statistically significant of 12 letters) after BT. Those with other diagnoses and those with residual Early Treatment Diabetic Retinopathy Study best-corrected visual acuity of logMAR of 0.7 (20/100) or better showed only positive trends for visual acuity and a negative trend for fixation stability. All subjects showed a shift in PRL location toward the superior quadrant of the retina (p<0.02) in those who received BT. CONCLUSION: BT seems to offer patients a unique and efficient modality to improve distance vision outside of using optical devices. Article Published Date : May 31, 2019
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