Daith piercing: Revisited from the perspective of auricular acupuncture systems. A narrative review.

BACKGROUND: Daith piercing is a special ear-piercing method that punctures the crus of the helix. The penetrated site at the ear's innermost point is assumed to stimulate a pressure point associated with the vagus nerve. It has been reported that the pierced spot relieves migraine and tension-type headaches by activating vagal afferents, leading to the inhibition of neurons in the caudal trigeminal nucleus via the nucleus tractus solitarii. OBJECTIVE: The objective of this narrative literature review is to summarize the current state of knowledge concerning daith piercing for the treatment of migraine and tension-type headaches from the perspectives of the Chinese and Western auricular systems. METHODS: PubMed and China National Knowledge Infrastructure databases were searched using the keywords "daith piercing," "auricular points," "headache," and "acupuncture" from database inception to September 1, 2023. Only studies on humans were eligible; otherwise, no further restrictions were applied to the study designs, type of headache, or patient population of the identified articles. Bibliographies of all eligible studies were screened for further eligible studies. The main outcome of interest was a quantitative measure of pain relief by daith piercing. Secondary outcomes were relapse time of headache and further outcomes related to daith piercing, if available. RESULTS: From a total of 186 identified articles, one retrospective study and three case reports fulfilled the inclusion criteria. No clinical trial was identified. The obtained studies describe patients experiencing chronic headaches undergoing daith piercing without changing or reducing their usual medication. In all case studies and the retrospective study, patients reported substantial reductions in pain immediately after daith piercing; however, headache symptoms recurred several weeks to months thereafter. From the perspective of the Chinese and Western auricular systems, no sufficient explanation for the described treatment effect of daith piercing was found. CONCLUSION: The available literature, combined with the reported recurrence of pain as well as the associated side effects of daith piercing, indicate that current evidence does not support daith piercing for the treatment of migraine, tension-type headaches, or other headache disorders. PLAIN LANGUAGE SUMMARY: This paper summarizes what we know about Daith piercing (DP) for chronic migraine and tension-type headache and discusses how DP might work. Current evidence does not support DP as an effective treatment of chronic migraine and tension-type headache. These findings might assist clinicians in discussing this subject with patients as well as guide future research.

Wen Dan Tang: A Potential Jing Fang Decoction for Headache Disorders?

BACKGROUND: Chinese herbal medicine is considered relatively safe, inexpensive, and easily accessible. Wen Dan Tang (WDT), a Jing Fang ancient classical Chinese herbal formula with a broad indication profile has been used for several centuries in China to treat various illnesses. QUESTION: Are there evidence-based clinical trials that show that WDT has a significant impact on the treatment of various diseases, especially in patients with migraine and tension-type headaches (TTH)? METHODS: This study is based on an online database search using PubMed, Medline, Cochrane Library, AcuTrials, Embase, Semantic Scholar, Jstor, internet research, and review of ancient and modern Chinese medical textbooks regarding WDT and its compounds. RESULTS: There were no studies on WDT in migraine and TTH; therefore, this work gathers and describes data for every single compound in the formula. CONCLUSION: This study suggests that the bioactive compounds found in WDT composition show potential in treating patients with neurological, psychiatric disorders, cardiovascular diseases, metabolic syndrome, and digestive disorders. Some coherence between WDT in headache reduction and improvements in the quality of life in patients with migraines and TTH could be evaluated, showing positive results of WDT in these patients.

Ashi Scalp Acupuncture in the Treatment of Secondary Trigeminal Neuralgia Induced by Multiple Sclerosis: A Case Report.

Background: Multiple sclerosis (MS) is an autoimmune, chronic, inflammatory, demyelinating, and axonal degeneration disease of the central nervous system. Trigeminal neuralgia (TN), a neuropathic facial paroxysmal pain, is prevalent among MS patients. Because of the inadequacy of the comprehension of MS-related TN pathophysiological mechanisms, TN remains arduous in its treatment approaches. Acupuncture as a non-pharmacological therapy could be a promising complementary therapy for the treatment of TN. MS gradual neural damage might affect the muscles' function. This can lead to acute or paroxysmal pain in the form of spasms that might progress to formation of myofascial trigger points also known in traditional Chinese medicine as Ashi points (AP). Localising these AP through palpation and pain sensation feedback in patients with MS is an indicator of disease progression. Pathologically, these points reveal the disharmony of soft tissue and internal organs. Methods: This case report examined the pain relief outcome with Ashi scalp acupuncture (ASA) in a secondary TN patient who was unsuccessfully treated multiple times with body acupuncture. The main outline measure was to quantify pain intensity using a numerical rating scale (NRS) before and after each acupuncture therapy. The patient was treated on the scalp for a total of eight times, twice a week over four weeks. Results: A reduction in secondary TN pain intensity was observed after each session. On average, the patient expressed severe pain (NRS: 8.0 ± 2.20) before ASA treatment, which significantly decreased after therapy to mild pain (NRS: 2.0 ± 1.64). Conclusions: Significant improvements in pain intensity reduction after each acupuncture treatment without any adverse effects were observed.

Comparison of Swiss versus Standard Acupuncture in Patients with Chronic Low Back Pain. A Study Protocol for a Randomized, Controlled, Single-Blind, Parallel Trial.

Introduction: Chronic low back pain (CLBP) cannot sufficiently be treated by pharmacological therapy and generates substantial health-care costs worldwide. Acupuncture, a cost-effective, safe and non-pharmacological therapy, has shown promising results in relieving acute low back pain; however, the optimal acupuncture therapy for CLBP remains controversial. This study will compare two acupuncture methods for pain relief in CLBP. Methods and Analysis: This randomized, controlled, single-blind, parallel trial will be conducted in patients with clinically diagnosed CLBP with a disease duration ≥3 months and an average pain intensity of ≥4 points on an 11-point Pain Intensity Numerical Rating Scale (pain-NRS) on the previous 7 days. Patients will be randomized to 9-week acupuncture therapy using Jiu Gong Points (termed Swiss low back acupuncture, SLBA) or standard acupuncture (SA) therapy (weeks 1-6: two sessions/week, weeks 7-9: one session/week, 15 sessions/patient in total). Measurements will be conducted before the first session (T1), at the end of the 9-week therapy (T2) and after 3- and 6-month follow-up (T3 and T4). The primary hypothesis is that 9 weeks of SLBA will be superior in reducing the pain severity assessed by the pain-NRS compared to SA therapy for CLBP. Secondary outcomes will be derived from the Short-Form 36, Oswestry Disability Index, Multidimensional Pain Inventory questionnaire, Symptom Checklist-90 - Revised questionnaire and a daily pain diary. Assuming a minimal clinically important difference in the pain-NRS of 0.39 and an effect size of ≥0.6 between SLBA and SA, 80% power, 0.05 alpha level and 20% dropouts, a total of 55 patients/arm will be required. The primary outcome will be analyzed in the intention-to-treat population using chained linear regression models. Patients, outcome assessors and data analysts will be blinded to the treatment arm. Trial Registration: Clinicaltrials.gov Identifier: NCT05232487.

Effects of microcrystalline cellulose based comilled powder on the compression and dissolution of ibuprofen.

Ibuprofen is a poorly soluble and poorly compressible drug and is unsuitable for "direct tableting". Microcrystalline cellulose (Avicel(®) PH 101) based ibuprofen powder formulations have been comilled in presence of Aerosil(®) (colloidal silicon dioxide) as lubricant, and the total compression behavior was evaluated using the Cooper-Eaton equation. Scanning electron microscopy (SEM) revealed about the damage of crystal geometry of the crystalline drug after comilling. Differential scanning calorimetry (DSC) indicated decrease of melting endotherm (partially) attributing to the decrease in crystalline intensity of ibuprofen upon comilling. Small changes in the infrared spectra such as shift of characteristic bands, reduction in intensity, and appearance of new bands are mainly related to the possible physical interaction and/or amorphization of the drug in the comilled mixtures. Increased compaction can be achieved after milling of the microcrystalline cellulose based blends. Milling decreased particle size and improved wettability of the drug and increased dissolution. Microcrystalline cellulose based comilled ibuprofen powder with improved compression and dissolution may be taken as a future scope of scale up for "direct tableting".