Clinical Research Directory

Inclusion Criteria: 1. The diagnostic criteria of NTAA were as follows: ① abdominal pain was the main symptom; ② The onset time was less than 1 week; ③ The cause of abdominal pain could be traced to intra-abdominal abdominal wall chest or systemic diseases; 2. Patients with NRS scores ≥4 (mild pain and above) were evaluated before inclusion; （3）16 years \< age \<75 years; （4）Those who were considered not to need surgery within 2 hours after initial assessment by a specialist. Exclusion Criteria: Participants meeting any of the following criteria were excluded from the study: 1. Acute abdomen caused by trauma; 2. Super sudden diseases (e.g. acute myocardial infarction rupture of abdominal aortic aneurysm pulmonary embolism aortic dissection pericardial tamponade); 3. Emergent conditions requiring surgical treatment within 3 hours (e.g. rupture of liver cancer ectopic pregnancy ischemic bowel disease severe acute cholangitis peritonitis with septic shock); 4. Extremely severe pain (NRS ≥ 8) with an undetermined diagnosis and requiring further assessment for a super sudden disease; 5. Inability to select acupuncture points due to skin injury or ulceration at Zusanli (ST36) on the lower limb; 6. Induration or infection at the hip injection site; 7. Patients with altered consciousness mental illness other severe chronic diseases or those who are unlikely to cooperate with acupuncture treatment; 8. Contraindications to Western medicine: * Known allergies to diclofenac sodium or acetaminophen; ②History of asthma urticaria or allergic reactions induced by aspirin or other NSAIDs. * Undergoing coronary artery bypass grafting (CABG) surgery. ④History of gastrointestinal bleeding or perforation following non-steroidal anti-inflammatory drugs (NSAIDs). * Active gastrointestinal ulcers or bleeding or a history of recurrent ulcers or bleeding. * Severe heart failure. 9. Use of any pain medication or acupuncture within the past 6 hours; 10. Previous participation in this study; 11. Pregnant or lactating individuals.