We have observed a ‘heat-sensitisation’ phenomenon in a large proportion of patients receiving suspended moxibustion treatment. Patients become thermally sensitised to moxibustion stimulation at certain locations on the body, indicated by sensations of strong warmth or heat penetrating into the body (heat penetration), warmth spreading around the stimulation site (heat expansion), warmth conducting in certain directions and reaching some body regions or even internal organs remote from stimulation sites (heat transmission), or other non-thermal sensations such as aching, heaviness, pressure etc. These heat-sensitised locations are not fixed, but may, during the progression of disease, dynamically change within a certain range centred on acupuncture points. Each condition seems to have its specific set of such sensitised acupuncture points and such phenomena are not commonly observed in other body regions or in healthy subjects. A number of clinical trials have shown that the appearance of heat sensitisation is correlated with better therapeutic effects in various diseases, indicating the clinical significance of such responses. Further investigation is required to elucidate the epidemiological characteristics and biological mechanisms of the heat sensitisation in suspended moxibustion.
These data were the first objective evidence of heat-sensitization responses during suspended moxibustion, which were characterized by widespread oscillatory changes in scalp EEG.
Objective
To observe the clinical therapeutic effect of adjuvant treatment with heat-sensitive moxibustion for coronavirus disease 2019 (COVID-19) of the ordinary type.
Methods
A total of 42 patients with COVID-19 of the ordinary type were adopted. Shénquè (神阙 CV8) and Tiānshū (天枢 ST25) were selected. Heat-sensitive moxibustion was operated according to the required standard, 40 min to 60 min each time, once daily. Before and after moxibustion, the improvements in clinical symptoms were evaluated, such as chest oppression, poor appetite, lassitude and negative emotions.
Results
(1) The number of cases and the incidence was 21 cases (50.0%), 24 cases (57.1%) and 26 cases (61.9%) for chest oppression, poor appetite and lassitude before heat-sensitive moxibustion. The number of cases was reduced to be 10 cases (23.8%), 7 cases (16.7%) and 4 cases (9.5%) after the 1st treatment of heat-sensitive moxibustion for chest oppression, poor appetite, and lassitude. It was reduced to be 11 cases (26.2%), 8 cases (19.0%) and 4 cases (9.5%) after the 2nd treatment of moxibustion and it was reduced to be 18 cases (42.9%), 10 cases (23.8%) and 6 cases (14.3%) after the 3rd treatment of moxibustion. The incidences of the symptoms were all reduced obviously as compared with those before treatment. (2) Before treatment with heat-sensitive moxibustion, there were 24 cases of negative emotions (57.1%). It was reduced to be 16 cases (38.1%), 11 cases (26.2%) and 3 cases (7.1%) after the 1st, 2nd and 3rd treatment of heat-sensitive moxibustion successively. The incidences were all reduced obviously as compared with those before treatment. (3) After the 1st treatment, the active acceptance rate of heat-sensitive moxibustion was 100% (42/42) in the patients, higher than 11.9% (5/42) before treatment.
Conclusion
Adjuvant treatment with heat-sensitive moxibustion effectively relieves the symptoms of COVID-19 such as chest oppression, poor appetite and lassitude, and alleviates the negative emotions, such as tension and anxiety. This therapy improves the therapeutic effect of COVID-19 and deserves to be promoted in clinical practice.
Substantial evidence has supported that moxibustion stimulates a unique phenomenon of Deqi, heat-sensitive moxibustion sensation. This study consisted of a multicenter, prospective cohort study with two parallel arms (A: heat-sensitive moxibustion sensation group; B: nonheat-sensitive moxibustion sensation group). All forms of moxibustion were applied unilaterally on the right leg with a triangle shape of three acupuncture points simultaneously (bilateral Xi Yan (EX-LE5) and He Ding (EX-LE2)). After one month the primary outcome parameter GPCRND-KOA showed significant differences between groups: trial group 5.23 ± 2.65 (adjusted mean ± SE) 95% CI [4.44~6.01] versus control group 7.43 ± 2.80 [6.59~8.26], P = 0.0001. Significant differences were manifested in total M-JOA score during the follow-up period (P = 0.0006). Mean knee circumference indicated significant difference between the groups (P = 0.03; P = 0.007). Overall, this evidence suggested that the effectiveness of the Deqi sensation group might be more superior than the non-Deqi sensation one in the treatment of KOA. This study was aimed at providing scientific evidence on the Deqi sensation of moxibustion and at showing that heat-sensitive moxibustion sensation is essential to achieve the preferable treatment effects of KOA.
Moxibustion stimulates the Deqi (Qi arrival) phenomenon. Many clinical observations have documented that the character of the Deqi was a composite heat-sensitive moxibustion sensation. In this prospective multicentre comparative observational nonrandomized study, 92 patients with moderate to severe LDH were included. This study consisted of two parallel arms (A: heat-sensitive moxibustion sensation group; B: nonheat-sensitive moxibustion sensation group). Moxibustion was applied in the following three acupuncture points simultaneously: Da Changshu (BL25), Wei Zhong (BL40), and A-Shi acupuncture point (tenderness). The adjusted mean total Modified-JOA score showed significant differences between the groups in the first week (10.32 ± 4.27 95% CI [9.23 ~ 11.40] versus control group 12.42 ± 5.02 [11.62 ~ 13.69], P = 0.03). The outcome in the second week also presented significant differences in both groups (7.62 ± 4.80 [6.46 ~ 8.77] versus 10.56 ± 4.75 [9.35 ~ 11.76], P = 0.005). Significant differences were also manifested in the follow-up period (P = 0.007). It can be inferred that the existence of the Deqi (heat-sensitive moxibustion sensation) phenomenon in the process of suspended moxibustion is closely related to the curative effect, and arrival of heat-sensitive moxibustion sensation could improve the clinical curative effect of moxibustion.
The efficacy of acupuncture and moxibustion is closely related to Deqi phenomenons, which are some subjective feelings. However, no one has reported the objective characterization of Deqi. Our preliminary research has found a phenomenon of tail temperature increasing (TTI) obviously in some stroke rats by suspended moxibustion at the acupoint dà zhuī (DU 14), which is similar to one characterization of Deqi during moxibustion that moxibustion heat is transferred from the original moxibustion acupoint to the other areas of the body. We wonder whether TTI is the objective indicator of Deqi characterization in animals. The present study showed that the stroke rat's recovery was also associated with TTI phenomenon. This suggests that TTI phenomenon is one objective characterization of the Deqi in stroke rats. Application of the TTI phenomenon contributes to explore the physiological mechanism of Deqi.
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