Bone Tumor Suppression in Rabbits by Hyperthermia below the Clinical Safety Limit Using Aligned Magnetic Bone Cement.

Demonstrating highly efficient alternating current (AC) magnetic field heating of nanoparticles in physiological environments under clinically safe field parameters has remained a great challenge, hindering clinical applications of magnetic hyperthermia. In this work, exceptionally high loss power of magnetic bone cement under the clinical safety limit of AC field parameters, incorporating direct current field-aligned soft magnetic Zn0.3 Fe2.7 O4 nanoparticles with low concentration, is reported. Under an AC field of 4 kA m-1 at 430 kHz, the aligned bone cement with 0.2 wt% nanoparticles achieves a temperature increase of 30 °C in 180 s. This amounts to a specific loss power value of 327 W gmetal-1 and an intrinsic loss power of 47 nHm2 kg-1 , which is enhanced by 50-fold compared to randomly oriented samples. The high-performance magnetic bone cement allows for the demonstration of effective hyperthermia suppression of tumor growth in the bone marrow cavity of New Zealand White Rabbits subjected to rapid cooling due to blood circulation, and significant enhancement of survival rate.

[Strengthening and improving the integration of traditional Chinese and Western medicine in severe tetanus therapy: retrospective study and analysis of survive and decease cases].

OBJECTIVE: To investigate the perfection and improvement of the execution of integrative medicine therapy in severe tetanus therapy, to successfully control tetanus severe spasms, autonomic dysfunction and prevent lethal side-effect of prolong and high-dosage sedative-muscle-relaxant therapy, resulted in significant reduction of mortality of tetanus. METHODS: Symptoms, treatments and outcome of tetanus patients admitted to Peking University Third Hospital from 1965 to 2020 were reviewed. Patients were classified with Ablett classification. The cases of Ablett grade III and IV were severe tetanus. The patients were divided into two groups according to whether they were treated together with traditional Chinese medicine (TCM) simultaneously during the standard tetanus treatment; the patients in the TCM group were divided into the tetanus TCM medication group and the non tetanus TCM medication group according to the medicine provided whether was in accord with the conventional tetanus TCM prescriptions. The mortality of each group was calculated. In addition, one survived and one deceased case with severe convulsion, autonomic nerve dysfunction (Ablett grade IV) were selected, combined with the treatment methods and curative effects, the types, use methods and outcomes of Chinese and Western medicine were analyzed. RESULTS: The 46 tetanus cases were treated with Western medicine. Twenty-two of them, TCM were applied. Fifteen of the 22 cases took the TCM prescription which was accord with the conventional tetanus prescription. The mortality of the 46 cases was 21.7% (10/46). The number of non-TCM group was 24 cases, with mortality of 20.8% (5/24); 1 case was Ablett II, 1 was Ablett III and 3 were Ablett IV. The number of the TCM group was 22 cases, with mortality of 22.7% (5/22), 2 cases were Ablett III, 3 were Ablett IV. The TCM prescription of these 5 deceased cases was not directed towards tetanus. The tetanus TCM medication group was 15 cases, with no mortality. Case analyses: case 1 was intubated because of severe spasms. Autonomic dysfunction occurred on the 8th day after admission. Esmolol with increasing the dosage of the sedatives and muscle relaxant, was not effective. Tetanus TCM was applied after 2 days of autonomic dysfunction happened. Autonomic dysfunction was then under controlled on the 2nd day post-TCM. She was recovery and discharged after 4 weeks. Case 2, also was intubated because of severe spasms. Autonomic dysfunction happened on the 3rd day after admission, and failed to be controlled by large-dose sedatives, muscle relaxant,and Esmolol. After 8 days of persistent autonomic dysfunction, tetanus TCM was applied and autonomic dysfunction was under controlled on the 2nd day post-TCM administration. Large dosage of muscle-relaxant was applied continuously. After 5 days' administration of TCM, the TCM was withdrew. One day after the withdrawal of TCM, respiratory and cardiac arrest happened because of the diffused bronchiole obstruction with pulmonary secretions loading. CONCLUSIONS: Based on the precise and real-time diagnosis of the state of the disease, integrative medicine therapy with an overall analysis tetanus TCM prescription, is the key of declining tetanus mortality.

Effect of traditional Chinese medicine on intra-abdominal hypertension and abdominal compartment syndrome: A systematic review and Meta-analysis.

OBJECTIVE: Traditional Chinese medicine (TCM) recently become a widely used treatment option for treating intra-abdominal hypertension (IAH) and abdominal compartment syndrome (ACS). However, we still lack large-scale, high-quality, randomized controlled trials (RCTs). The purpose of this systematic review was to evaluate the existing clinical trials and to provide additional specific evidence. METHODS: A systematic review of randomized controlled trials (RCTs) of TCM for IAH/ACS was conducted. The following databases were searched to identify relevant studies: PubMed, Medline (Ovid SP), The Cochrane Library, China Biology Medicine Database, Wanfang Database, Chinese Periodical Database, Chinese Clinical Trial Registry, and China Knowledge Resource Integrated Database. Meta-analysis was performed using Rev. Man 5.3. RESULTS: Fifteen studies involving 735 participants were included in the analysis. Compared to conventional therapy, TCM has a significant effect on reducing intra-abdominal pressure (IAP) [15 studies, 700 patients, standard mean difference (SMD)=-0.93, 95% credibility interval (CI): -1.35- -0.52], improving the APACHE II (five studies, 199 patients, SMD=-0.75, 95% CI: -1.30- -0.21), and shortening the length of hospitalization (LOH) (six studies, 214 patients, SMD=-1.21, 95% CI: -1.50- -0.91). The influence of mortality (six studies, 241 patients) was not significant [The pooled risk ratio (RR) was -0.07 (95% CI: -0.17- 0.03)]. CONCLUSIONS: TCMs seem to be effective for patients with IAH and ACS; however, most of the reviewed trials are of poor quality. Large-scale, high-quality clinical trials are warranted.