The Evolution of Mindfulness-Based Physical Interventions in Breast Cancer Survivors.

The evolution of mindfulness-based physical interventions in breast cancer survivors.

Filed under: Depression Treatment

Evid Based Complement Alternat Med. 2012; 2012: 758641
Stan DL, Collins NM, Olsen MM, Croghan I, Pruthi S

Survivors of breast cancer are faced with a multitude of medical and psychological impairments during and after treatment and throughout their lifespan. Physical exercise has been shown to improve survival and recurrence in this population. Mind-body interventions combine a light-moderate intensity physical exercise with mindfulness, thus having the potential to improve both physical and psychological sequelae of breast cancer treatments. We conducted a review of mindfulness-based physical exercise interventions which included yoga, tai chi chuan, Pilates, and qigong, in breast cancer survivors. Among the mindfulness-based interventions, yoga was significantly more studied in this population as compared to tai chi chuan, Pilates, and qigong. The participants and the outcomes of the majority of the studies reviewed were heterogeneous, and the population included was generally not selected for symptoms. Yoga was shown to improve fatigue in a few methodologically strong studies, providing reasonable evidence for benefit in this population. Improvements were also seen in sleep, anxiety, depression, distress, quality of life, and postchemotherapy nausea and vomiting in the yoga studies. Tai chi chuan, Pilates, and qigong were not studied sufficiently in breast cancer survivors in order to be implemented in clinical practice.
HubMed – depression

Permanent His-bundle pacing maintains long-term ventricular synchrony and left ventricular performance, unlike conventional right ventricular apical pacing.

Filed under: Depression Treatment

Europace. 2012 Sep 20;
Catanzariti D, Maines M, Manica A, Angheben C, Varbaro A, Vergara G

AIMS: Right ventricular apical pacing (RVAP) may be deleterious, determining abnormal left ventricular (LV) electrical activation and progressive LV dysfunction. Permanent His-bundle pacing (HBP) has been proposed to prevent this detrimental effect. The aim of our study was to compare the long-term effects of HBP on LV synchrony and systolic performance with those of RVAP in the same group of patients.METHODS: Our analysis included 26 patients who received both an HBP lead and an RVAP lead, as backup, in our electrophysiology laboratory between 2004 and 2007. After implantation, all devices were programmed to obtain HBP. An intra-patient comparison of the effects of HBP and RVAP on LV dyssynchrony and function was performed at the last available follow-up examination.RESULTS: After a mean of 34.6 ± 11 months, the pacing modality was temporarily switched to RVAP. During RVAP, LV ejection fraction significantly decreased (50.1 ± 8.8% vs. 57.3 ± 8.5%, P < 0.001), mitral regurgitation significantly increased (22.5 ± 10.9% vs.16.3 ± 12.4%; P = 0.018), and inter-ventricular delay significantly worsened (33.4 ± 19.5 ms vs. 7.1 ± 4.7 ms, P = 0.003) in comparison with HBP. However, the myocardial performance index was not statistically different between the two pacing modalities (P = 0.779). No asynchrony was revealed by tissue Doppler imaging during HBP, while during RVAP the asynchrony index was significantly higher in both the four-chamber (125.8 ± 63.9 ms; P = 0.035 vs. HBP) and two-chamber (126 ± 86.5 ms; P = 0.037 vs. HBP) apical views.CONCLUSION: His-bundle pacing has long-term positive effects on inter- and intra-ventricular synchrony and ventricular contractile performance in comparison with RVAP. It prevents asynchronous pacing-induced LV ejection fraction depression and mitral regurgitation. HubMed – depression

Mass spectrometric characterization of recombinant rat 5-hydroxytryptamine receptor 1A (5-HT(1A) R) expressed in tsA201 human embryonic kidney cells.

Filed under: Depression Treatment

Proteomics. 2012 Sep 19;
Heo S, Yang JW, Huber ML, Planyavsky M, Bennett KL, Lubec G

The 5-hydroxytryptamine 1A receptor (serotonin 1A receptor; 5-HT(1A) R) is involved in a large series of brain functions, and roles in anxiety, depression and cognition have been reported. So far, published information on mass spectrometrical characterisation of 5-HT(1A) R is limited to the presence of two 5-HT(1A) R peptides in rat whole brain as observed by in-solution digestion followed by LC-MS/MS. Knowledge about the protein sequence and post-translational modifications, however, would have implications for generation of specific antibodies and designing studies on the 5-HT(1A) R at the protein level. A rat recombinant 5-HT(1A) R was extracted from the tsA201 cell line, run using several gel-based principles with subsequent in-gel digestion with several proteases, chymotrypsin, trypsin, AspN, proteinase K and pepsin followed by nano-LC-ESI-MS/MS analysis on an high capacity ion trap and an LTQ Orbitrap Velos. Using two search engines, Mascot and Modiro(TM) , the recombinant 5-HT(1A) R was identified showing 94.55% sequence coverage. A single phosphorylation at S301 was identified and verified by phosphatase treatment and a series of amino acid substitutions were detected. Characterisation of 5-HT(1A) R, a key player of brain functions and neurotransmission, was shown and may enable generation of specific antibodies, design of future and interpretation of previous studies in the rat at the protein level.
HubMed – depression

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