Acupuncture, autonomic nervous system and biophysical origin of acupuncture system

Matić, Zoran; Bojić, Tijana

doi:10.2298/vsp170818016m

Cited by 2 publications

(5 citation statements)

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“…The needle acts through mechanoreceptors and gap junctions (Ca 2+ ) as a mechanical wave that stimulates the other physiological activities in the body coming to manifest itself in the blood flow through the mechanical pressure wave (Matic & Bojic, 2020). The initial increase in SDNN and pNN50 indices can be explained by nociceptors housed under the skin, such as Pacini corpuscles, Ruffini corpuscles and mechanoreceptors that, when activated, promote acute pain through the larger, faster and myelinated A-δ fibers (Lai & Khachemoune, 2020).…”

Section: Discussionmentioning

confidence: 99%

Effect of dry needling on the variability of cardiac frequency in university members with temporomandibular dysfunction

Gouveia¹,

Santos²,

Oliveira³

et al. 2021

RSD

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Introduction: Despite the existence of some theories about the effect of Dry Needling on pain, there is still a lack of research using this technique in the treatment of temporomandibular disorder and its repercussions on the autonomic nervous system. Therefore, the aim was to analyze the effect of Dry Needling on the autonomic modulation of university students with temporomandibular disorders. Methods: This is an interventional, inferential study, carried out with university students with temporomandibular disorders. A frequency meter was used before, during, and after the application of the dry needle to verify its short and medium term effect on the autonomic nervous system. For statistical analysis, the ANOVA test was used. Results: Twenty volunteers with an average age of 21.3 years took part in the study, most of them male (65%). When the rMSSD and pNN50 indexes were analyzed, an increase was observed during dry needling (p = 0.701 and 0.452, respectively). However, after application, these indices fell, remaining above the base values. However, the triangular RR and TINN indices showed a constant increase during collection (p = 0.578 and 0.613, respectively). The high frequency component increased during the technique (p = 0.860), but the same did not happen with the low frequency component (p = 0.693), which suffered a constant increase, even with minor variation. Conclusion: The effect of this technique promotes the improvement of the heart rate variability values, maintaining the balance of the autonomic nervous system without generating cardiovascular risks, and its effects were immediate and lasting.

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Section: Discussionmentioning

confidence: 99%

Effect of dry needling on the variability of cardiac frequency in university members with temporomandibular dysfunction

Gouveia¹,

Santos²,

Oliveira³

et al. 2021

RSD

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“…Acupuncture is hypothesized to exert general effects through mechanisms including autonomic nervous system activation to restore homeostasis (nerve reflex theory), neurohumoral actions, and release of endorphins [5, 15, 16, 18, 21, 22, 36–38]. For example, acupuncture may reduce nausea through the above mechanisms within the area postrema and by reducing discomfort through normalizing gut motility [20, 26].…”

Section: Discussionmentioning

confidence: 99%

“…For example, acupuncture increases cerebrospinal levels of endogenous opioids (i.e. endorphins, enkephalins, endomorphins), which may modulate afferents to the vomition center in the brain [18, 19, 26, 33, 36, 41] and may have stronger effects on returning abnormal physiology to homeostasis in patients with active disease processes through actions on the autonomic nervous system and immune system [18, 21, 22, 41, 42]. Furthermore, serotonin, a signalling molecule active in the gastrointestinal tract, is altered after acupoint stimulation and may be involved in resolving gastrointestinal dysmotilies and nausea associated with pre-existing GI conditions [22, 41–43].…”

Section: Discussionmentioning

confidence: 99%

“…Sedation is not only associated with lidocaine infusions in dogs [12, 13], but also with acupuncture itself [36, 38, 44, 45]. Glutamate, due to modifications in receptor expression, and serotonin, through increased action on spinal receptors and decreased binding to cortical receptors, are suspected to contribute to the analgesic and sedative properties of acupuncture [18, 37, 41]. In the present study, there were no significant differences in sedation scores between groups and mean sedation scores in most groups were considered moderate as described by a validated scale [31].…”

Section: Discussionmentioning

confidence: 99%

“…Acupoints, well described in Eastern medicine and increasingly accepted in Western medicine, are defined as neurovascular bundles surrounded by a connective tissue sheath with high density of A-delta and C fibers, arterioles, lymphatic vessels and mast cells. These points lie along meridians or divisions, which are thought to transmit energy to particular regions and correlate more closely with the anatomical structure of fascial planes than nerve pathways [14–18]. Acupuncture specifically directed at visceral acupoints such as Pericarium-6 (PC6) and Stomach-36 (ST36), is used to treat multifactorial nausea and GI dysmotility in both human and veterinary medicine [15–17, 19–24].…”

Section: Introductionmentioning

confidence: 99%

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Effects of acupuncture at Pericardium-6 and Stomach-36 on nausea, sedation and gastrointestinal motility in healthy dogs administered intravenous lidocaine infusions

et al. 2019

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The objectives of this study were to assess gastrointestinal transit times, sedation, and signs of nausea associated with intravenous lidocaine infusions in dogs following targeted acupuncture at Pericardium-6 (PC6) and Stomach-36 (ST36). In a randomized, blind crossover design, 6 healthy, adult Beagles were fed thirty 1.5 mm barium-impregnated polyethylene spheres (BIPS), then were subject to 30 minutes of: 1) no acupuncture, 2) bilateral targeted acupuncture at PC6 and ST36, or 3) bilateral non-target acupuncture at Lung-5 (LU5) and Bladder-55 (BL55). Lidocaine was immediately administered at 1 mg/kg intravenously followed by 50 μg/kg/min. BIPS were tracked radiographically; sedation and nausea were scored at baseline (Time 0) and for 11 hours during lidocaine infusions. Transit times and sedation and nausea scores were analyzed with a linear mixed-effects model; the number of BIPS at defined time points was analyzed with a piecewise linear mixed-effects model. All P values were two-sided and P < 0.05 was considered significant. Sedation and nausea scores did not differ between treatments at any time point (all P > 0.05). However, nausea scores in all groups were significantly greater at Times 5 through 7 and at Time 11 compared to Time 0 whereas sedation scores in all groups were significantly greater at Times 2 through 11 compared to Time 0 (all P < 0.05). The number of BIPs found out of the stomach, the number found in the large intestine, gastric emptying and gastrointestinal transit times did not differ between treatments (all P > 0.05). Acupuncture at PC6 and ST36 did not alleviate nausea and sedation associated with lidocaine infusions in clinically normal animals or affect gastric emptying and gastrointestinal transit.

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Acupuncture, autonomic nervous system and biophysical origin of acupuncture system

Abstract: nema

Cited by 2 publications

References 50 publications

Effect of dry needling on the variability of cardiac frequency in university members with temporomandibular dysfunction

Effect of dry needling on the variability of cardiac frequency in university members with temporomandibular dysfunction

Effects of acupuncture at Pericardium-6 and Stomach-36 on nausea, sedation and gastrointestinal motility in healthy dogs administered intravenous lidocaine infusions

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