Effects of tandospirone combined with venlafaxine on neurotransmitters and related factors in patients with comorbid anxiety and depression / 中国基层医药

Objective:To investigate the efficacy of tandospirone combined with venlafaxine in the treatment of comorbid anxiety and depression and its effects on neurotransmitters and related factors.Methods:A total of 92 patients with comorbid anxiety and depression who received treatment in the Second People's Hospital of Lishui between June 2019 and June 2020 were included in this study. They were randomly divided into an observation group and a control group ( n = 46/group). The control group was treated with venlafaxine, while the observation group was treated with tandospirone and venlafaxine. Before and after treatment, the scores of Hamilton Anxiety Scale (HAMA) and Hamilton Depression Scale (HAMD), the levels of 5-hydroxytryptamine, brain-derived neurotrophic factor, nerve growth factor, and adverse drug reactions were compared between the two groups. Results:At 4 and 8 weeks after treatment, HAMA scores in the observation group were (11.39 ± 3.11) points and (8.26 ± 2.18) points, respectively, which were significantly lower than (14.72 ± 3.57) points and (10.46 ± 2.37) points in the control group ( t = 4.77, 4.63, both P < 0.05). At 4 and 8 weeks after treatment, HAMD scores in the observation group were (15.95 ± 2.90) points and (9.33 ± 1.54) points, respectively, which were significantly lower than (17.43 ± 2.87) points and (13.28 ± 2.65) points in the control group ( t = 2.46, 8.74, both P < 0.05). After treatment, 5-hydroxytryptamine, nerve growth factor, and brain-derived neurotrophic factor levels in the observation group were (154.59 ± 45.26) μg/L, (13.62 ± 1.16) ng/L, (28.54 ± 2.33) ng/L, respectively, which were significantly higher than (129.99 ± 48.31) μg/L, (11.98 ± 1.04) ng/L, and (25.69 ± 2.51) ng/L in the control group ( t = 2.52, 7.14, 5.64, all P < 0.05). There was no significant difference in the incidence of adverse reactions between the two groups ( χ2 = 0.81, P = 0.369). Conclusion:The adjuvant treatment with tandospirone can markedly improve anxiety and depression and protect neurological function of patients with comorbid anxiety and depression, and is highly safe.

Secondary herpes zoster wound cured by allogeneic platelet-rich plasma: a case report / 中国输血杂志

【Objective】 To investigate the feasibility of allogeneic platelet-rich plasma (PRP) for the treatment of herpes zoster wounds secondary to systemic lupus erythematosus (SLE), especially large ulcer wounds. 【Methods】 The treatment process of a patient with massive herpes zoster wounds in perineum and hip accompanied by extensive soft tissue necrosis secondary to SLE was retrospectively analyzed. The clinical efficacy of allogeneic PRP was explored combined with treatment key points and literature review. 【Results】 The patient′s wound bed was prepared until the wound was fresh, then treated externally with allogeneic PRP 3 times a week. The wound was healed completely after 42 days. 【Conclusion】 In the case of autologous PRP unavailable or unsuitable, allogeneic PRP is a safe alternative, which can effectively promote tissue regeneration, and this patient achieved curative effect in a short period of time.

Effect of body mass index on pulmonary function and quality of life in elderly patients with chronic obstructive pulmonary disease / 公共卫生与预防医学

Objective To analyze the effect of body mass index (BMI) on pulmonary function and quality of life in elderly patients with chronic obstructive pulmonary disease (COPD), and to provide theoretical basis for the diagnosis and treatment of COPD. Methods A total of 1 278 patients who visited the respiratory department of our hospital from January 2019 to June 2022 were selected as the research objects, including 368 COPD patients, 225 of whom were in stable stage and 143 of whom were in acute exacerbation stage. According to BMI, they were divided into low group (n=31, BMI2), normal group (n=198,18.5kg/m2≤BMI2), overweight group (n=106, 24kg/m2≤BMI2) and obese group (n=33,BMI≥28 kg/m2). Health-related quality of life (HRQOL) was used to evaluate the quality of life of patients. Forced expiratory volume in one second (FEV1), forced vital capacity (FVC) and FEV1/FVC were measured by pulmonary function instrument to evaluate the pulmonary function grade of patients. Logistic regression was used to analyze the risk factors of pulmonary function and quality of life in COPD patients. Results There were significant differences in age, smoking, BMI and hyperlipidemia between stable COPD patients and acute exacerbation COPD patients with different BMI groups (P<0.05). There were significant differences in the proportion of pulmonary function Ⅲ/Ⅳ, FEV1/FVC, FEV1pred and HRQOL scores among different BMI groups (P<0.05) . The FEV1/FVC and FEV1pred in patients with acute exacerbation and stable COPD from high to low were obese group, overrecombination group, normal group and too low group, and the differences were statistically significant (P<0.05). The HRQOL scores of COPD patients in acute exacerbation and stable stage from high to low were obese group, overweight group, normal group and too low group, and the difference was statistically significant (P<0.05). Low body mass index was a risk factor for pulmonary function in COPD patients at stable stage (OR=2.52) and acute exacerbation stage (OR=2.83) (P<0.05). High body mass index was a risk factor for quality of life in patients with stable COPD (OR=2.43) and acute exacerbation (OR=2.65) (P<0.05). Conclusion BMI can affect pulmonary function and quality of life in COPD patients. Patients should maintain normal BMI, which can improve pulmonary function and quality of life.

Clinical characteristics and treatment of central nervous system aspergillosis: an analysis of 37 cases / 中华神经科杂志

Objective:To summarize the clinical characteristics and therapeutic efficacy of central nervous system (CNS) aspergillosis.Methods:The clinical manifestations, laboratory examination, neuroimaging features, treatment and prognosis of 37 cases of CNS aspergillosis diagnosed and treated in the First Medical Center of People′s Liberation Army General Hospital from January 2000 to January 2021 were retrospectively analyzed. According to the correlation between intracranial lesions and paranasal sinus lesions, they were divided into two groups: rhino-cerebral aspergillosis (RA, n=21) group and cerebral aspergillosis (CA, n=16) group. Results:Only 16.2% (6/37) of CNS aspergillosis patients had a clear background of immunosuppression, but 35.1% (13/37) were complicated with diabetes. The most common clinical manifestations were headache (73.0%, 27/37), cranial nerve involvement (59.5%, 22/37) and fever (37.8%, 14/37). Cerebrospinal fluid characteristics included increased pressure (53.8%, 14/26), increased white blood cell count (46.7%, 14/30), decreased glucose (30.0%, 9/30), increased protein (70.0%, 21/30), and high positive results of the metagenomic next-generation sequencing (mNGS) of pathogenic microorganism (7/10). Cranial magnetic resonance imaging showed that commonly involved sites were sinus, orbital apex, posterior orbit, cavernous sinus (43.2%, 16/37) and cerebral lobes (27.0%, 10/37). Treatment options included antifungal drugs alone (64.9%, 24/37), combination of drugs and surgery (27.0%, 10/37) and surgery alone (8.1%, 3/37). Compared with the CA group, RA group had fewer males [47.6% (10/21) vs 14/16, χ2=6.34, P=0.012] and older age [(54.2±19.4) years vs (38.4±18.4) years, t=2.50, P=0.017], and was more prone to headache [85.7% (18/21) vs 9/16, χ2=4.00, P=0.046) and cranial nerve involvement [81.0% (17/21) vs 5/16, χ 2=9.31, P=0.006]. The misdiagnosis rate of these patients in the early stage was 73.0% (27/37). A total of 29 patients (85.3%, 29/34) were treated with voriconazole successively, and the course of treatment was 3.0 (0.5, 10.4) months. Compared with salvage therapy, the mortality of primary therapy was lower (4/17 vs 9/12, χ2=7.54, P=0.006). All patients were followed up to December 2021, and 17 patients died, with a mortality rate of 45.9% (17/37). Conclusions:CNS aspergillosis may have no definite immunosuppressive background. Some of CNS aspergillosis patients are complicated with diabetes, and the clinical manifestations of the disease lack specificity, with high misdiagnosis rate in the early stage, no inflammatory changes in cerebrospinal fluid, and high positive rate of mNGS for pathogenic microorganism. Early and long-term application of voriconazole can significantly reduce the mortality rate.

Distribution characteristics of special types of diabetes mellitus in Chinese population: A literature-based analysis from 2011 to 2021 / 中华内分泌代谢杂志

Objective:To analyze the distribution characteristics of special types of diabetes in China, in order to provide a theoretical basis for the diagnosis and treatment of special types of diabetes.Methods:Pubmed, CNKI, and WanFang Data were searched for the case reports and clinical studies of special types of diabetes in China from 2011 to 2021. After independent literature screening by 2 researchers according to the inclusion and exclusion criteria, diseases and the number of corresponding cases included were extracted for statistics. The etiological composition and disease characteristics of three subtypes of special type diabetes were analyzed.Results:A total of 613 articles(7 377 patients)were included and roughly divided into eight subtypes of special type diabetes according to etiological classification for disease composition analysis. The results by ratio in descending order were as follows: mono-genetic gene defects in islet β-cell function, pancreatogenic diabetes, diabetes induced by drugs or chemicals, endocrine disease, mono-genetic gene defects in insulin action, other genetic syndromes associated with diabetes, infection, and uncommon immune-mediated diabetes. The disease composition of the three subtypes of special types of diabetes that we focused on were mono-genetic gene defects in islet β-cell function(50.21%), pancreatogenic diabetes(35.65%), and mono-genetic gene defects in insulin action(1.56%). The composition analysis of the special types of diabetes in each subtype showed that neonatal diabetes mellitus(NDM, n=1 749, 23.71%)and maturity onset diabetes in young(MODY, n=1 554, 21.07%)accounted for the largest proportions. According to the composition analysis of each subtype of MODY patients, the top three subtypes were MODY2(50.89%), MODY3(16.03%), and MODYX(8.91%). In addition, taking MODY as an example, patients with de novo mutations(DNMs)and(or)new mutation sites were summarized and analyzed. The results revealed 31 MODY patients with DNMs(1.99%) and 339 MODY patients with new mutation sites(21.81%). Conclusions:According to the literature analysis, NDM and MODY represent the largest proportion of patients with special type diabetes in China. MODY2 patients make up the largest proportion of MODY patients. In addition, diabetic patients carrying DNMs and(or)new mutation sites should be taken seriously.

Pancreatic tumors in children: diagnosis and treatment / 中华肝胆外科杂志

Objective:To study the strategies in the diagnosis and treatment of pancreatic tumors in children.Methods:The clinical data of 18 children with pancreatic tumor managed at the Children's Hospital Affiliated to Chongqing Medical University from March 2015 to September 2020 were retrospectively studied. There were 8 males and 10 females, age ranged from 3 months to 14 years and 11 months, with a median age of 8 years and 2 months. Clinical data including age, gender, pathological data, surgical methods, chemotherapy, tumor location and treatment outcomes were collected. Follow-up was conducted by outpatient visits and by telephone.Results:Abdominal ultrasound, enhanced CT and/or MRI examinations were performed on all these patients, with findings of either a cystic or solid lesion of pancreas. All patients were treated by laparotomy under endotracheal intubation and general anesthesia. The operations were all completed successfully. Among the 18 patients, there were 11 patients with solid pseudopapillary tumors and 7 patients with pancreatoblastoma (PBL). The tumors were located in the head of the pancreas in 13 patients (including 3 patients who underwent pancreaticoduodenectomy, 1 patient who underwent resection of the head of the pancreas with preservation of the duodenum, and 9 patients who underwent resection of the tumors). The tumors were located in the body and tail of the pancrease in 5 patients (including 3 patients who underwent resection of the body and tail of the pancreas with preservation of spleen, and 2 patients who underwent resection of tumors). Because of huge tumors, 1 patient had bilateral lung, left supraclavicular fossa lymph node and retroperitoneal lymph node metastasis, 3 patients were confirmed to have PBL by biopsy, and these tumors were resected completely after neoadjuvant chemotherapy. Postoperative pathology showed that all the 3 patients had PBL and were given systematic chemotherapy. Postoperative pancreatic fistula occurred in 1 patient and chylous fistula in another patient, both were discharged home successfully after conservative treatments. All patients were followed-up for 2-7 years, and all children were tumor-free.Conclusion:It is not difficult to diagnose pediatric pancreatic tumors by ultrasound, CT and MRI before operation, and postoperative pathology was needed to confirm the diagnosis. Function-preserving surgical resection was the treatment of choice for pancreatic tumors in children.

Mechanism of Hirudo in Treatment of Stroke： A Review / 中国实验方剂学杂志

Stroke is one of the most common cerebrovascular diseases， including hemorrhagic stroke and ischemic stroke. From a modern medical perspective， stroke is caused by cerebrovascular damage or embolism leading to impaired blood circulation. From the traditional Chinese medicine （TCM） perspective， the pathogenesis of this disease is mainly due to the disorder of Qi and blood， which ascend to the brain， causing either blood extravasation or blockage of brain collaterals. Stasis is a pathological factor that runs throughout the entire course of stroke， and the method of promoting blood circulation and resolving stasis has been a core treatment for stroke for a long time. Hirudo， as a traditional insect drug， has shown good effects in promoting blood circulation and resolving stasis. Modern pharmacological research has confirmed that Hirudo contains anticoagulant components， which provide significant advantages in dissolving thrombi in ischemic stroke and facilitating hematoma absorption in hemorrhagic stroke. Hirudo and its related preparations have been proven to exert an anti-stroke effect through anticoagulation， anti-thrombosis， and protection of vascular endothelium. As a result， they have been widely used in the treatment of stroke. This article explored the theoretical basis and research status of using Hirudo for treating stroke based on its main active components and hemostatic properties and summarized the current research status of commonly used Hirudo-based formulations and preparations， aiming to provide references for the involvement of Hirudo in stroke treatment.

Research progress on the association between screen exposure and autism spectrum disorder in preschool children / 中国学校卫生

Abstract@#Autism spectrum disorder (ASD) is a lifelong neurodevelopmental disorder. Early life social experience assessment before symptoms of ASD might be helpful for determining the causal link between social experiences and early childhood ASD. Younger children are exposed to excessive screen time in recent years. This paper summarizes the association between screen exposure with ASD in preschool children, and proposes future research directions and provides evidencebased guidance to optimize and support children s early media experiences.

High-fat intake alleviates lung injury induced by Paragonimus proliferus infection in rats through up-regulating CYP 4A1 expression in lung tissues / 中国血吸虫病防治杂志

Objective To explore the improvements of high-fat intake on lung injury induced by Paragonimus proliferus infection in rats, and to preliminarily explore the mechanisms underlying the role of cytochrome P450 4A1 (CYP 4A1) in the improve ments. Methods SD rats were randomly assigned into three groups, including the normal control group (n = 10), the infection and normal diet group (n = 12) and the infection and high-fat diet group (n = 12). Rats in the normal control group were fed with normal diet and without any other treatments, and animals in the infection and normal diet group were subcutaneously injected with 8 excysted metacercariae of P. proliferus via the abdominal wall, followed by feeding with normal diet, while rats in the infection and high-fat diet group were subcutaneously injected with 8 excysted metacercariae of P. proliferus via the abdominal wall, followed by feeding with high-fat diet. All rats were sacrificed 28 weeks post-infection, and serum samples and lung specimens were collected. Following hematoxylin-eosin (HE) staining of rat lung specimens, the rat lung injury was observed under an optical microscope, and alveolitis was evaluated using semi-quantitative scoring. Serum interleukin-1β (IL-1β) and tumor necrosis factor alpha (TNF-α) levels were measured using enzyme-linked immunosorbent assay (ELISA), and the cytochrome P450 4A1 (CYP 4A1) expression was quantified in rat lung specimens at transcriptional and translational levels using quantitative real-time PCR (qPCR) and Western blotting assays. Results Alveolar wall thickening, edema and inflammatory cell infiltration were alleviated 28 weeks post-infection with P. proliferus in rats in the infection and high-fat diet group relative to the infection and normal diet group, and no alveolar consolidation was seen in the infection and high-fat diet group. The semi-quantitative score of alveolitis was significantly higher in the infection and normal diet group [(2.200 ± 0.289) points] than in the normal control group [(0.300 ± 0.083) points] and the infection and high-fat diet group [(1.300 ± 0.475) points] (both P values < 0.05), and higher serum IL-1β [(151.586 ± 20.492)] pg/mL and TNF-α levels [(180.207 ± 23.379) pg/mL] were detected in the infection and normal diet group than in the normal control group [IL-1β: (103.226 ± 3.366) pg/mL; TNF-α: (144.807 ± 1.348) pg/mL] and the infection and high-fat diet group [IL-1β: (110.131 ± 12.946) pg/mL; TNF-α: (131.764 ± 27.831) pg/mL] (all P values < 0.05). In addition, lower CYP 4A1 mRNA (3.00 ± 0.81) and protein expression (0.40 ± 0.02) was quantified in lung specimens in the infection and normal diet group than in the normal control group [(5.03 ± 2.05) and (0.84 ± 0.14)] and the infection and high-fat diet group [(11.19 ± 3.51) and (0.68 ± 0.18)] (all P values < 0.05). Conclusion High-fat intake may alleviate lung injuries caused by P. proliferus infection in rats through up-regulating CYP 4A1 expression in lung tissues at both translational and transcriptional levels.

Honokiol alleviated neurodegeneration by reducing oxidative stress and improving mitochondrial function in mutant SOD1 cellular and mouse models of amyotrophic lateral sclerosis

Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease affecting both upper and lower motor neurons (MNs) with large unmet medical needs. Multiple pathological mechanisms are considered to contribute to the progression of ALS, including neuronal oxidative stress and mitochondrial dysfunction. Honokiol (HNK) has been reported to exert therapeutic effects in several neurologic disease models including ischemia stroke, Alzheimer's disease and Parkinson's disease. Here we found that honokiol also exhibited protective effects in ALS disease models both in vitro and in vivo. Honokiol improved the viability of NSC-34 motor neuron-like cells that expressed the mutant G93A SOD1 proteins (SOD1-G93A cells for short). Mechanistical studies revealed that honokiol alleviated cellular oxidative stress by enhancing glutathione (GSH) synthesis and activating the nuclear factor erythroid 2-related factor 2 (NRF2)-antioxidant response element (ARE) pathway. Also, honokiol improved both mitochondrial function and morphology via fine-tuning mitochondrial dynamics in SOD1-G93A cells. Importantly, honokiol extended the lifespan of the SOD1-G93A transgenic mice and improved the motor function. The improvement of antioxidant capacity and mitochondrial function was further confirmed in the spinal cord and gastrocnemius muscle in mice. Overall, honokiol showed promising preclinical potential as a multiple target drug for ALS treatment.

Comparison of the fingerprint and multi-component contents between Liuwei dihuang powder decoction pieces and traditional decoction pieces with different decocting time / 中国药房

OBJECTIVE To compare the change law of multi-components in the extraction process between Liuwei dihuang powder decoction pieces and traditional decoction pieces （hereinafter referred to as powder decoction pieces and traditional decoction pieces）， and to provide scientific basis for the modern technology research of Liuwei dihuang formula. METHODS Taking powder decoction pieces and traditional decoction pieces as samples， the samples were taken when soaking for 60 min， at 0， 5， 10， 15， 20， 25， 30， 40， 50， 60 min of the first decocting and at 5， 10， 20， 30， 40 min of the second decocting， respectively. HPLC method was used to establish the fingerprints of 2 kinds of decoction pieces with different decocting time. The similarity evaluation and peak identification were performed. The contents of 8 components including 5-hydroxyfurfural， catechin， monoglycoside， loganin， swertin glycoside， dihydroquercetin， paeonol and benzoyl paeoniflorin were all determined. RESULTS With different decocting time， the similarties between 2 kinds of decoction pieces and their respective control fingerprints R were all greater than 0.98. In the fingerprints of traditional decoction pieces， five chromatographic peaks were identified， namely， 5- hydroxyfurfural， monetin， swertiaoside， dihydroquercetin and paeonol； in the fingerprints of powder decoction pieces， six chromatographic peaks were identified， namely， 5-hydroxyfurfural， monoglycoside， swertiamarin， dihydroquercetin， paeonol and benzoyl paeoniflorin. The results of content determination showed that in the first 5 minutes of the first decocting， the decocting rate of almost all the ingredients in the powder decoction pieces was faster than that of the traditional decoction pieces； after 40 min， the contents of other active ingredients were lower than those of traditional decoction pieces except for 5-hydroxyfurfural and paeonol. In the process of second decocting， except for paeonol and loganin， the contents of other ingredients in powder decoction pieces were higher than that in traditional decoction pieces； catechin was completely decocted from the traditional decoction pieces in the first decocting， while it could still be detected in the powder decoction pieces in the second decocting. There was little difference in the total decocted amount of the 8 ingredients in the two decoction pieces. CONCLUSIONS The chemical composition of powder decoction pieces of Liuwei dihuang formula has no obvious advantages compared with traditional decoction pieces， and can not save the decocting time and the amount of medicinal materials.

A Non-inferiority Randomized Controlled Trial of Topical Bisaitong （鼻塞通） in Treatment of Moderate to Severe Allergic Rhinitis / 中医杂志

ObjectiveTo evaluate the efficacy and safety of topical Bisaitong （鼻塞通） in treating moderate-to-severe allergic rhinitis （AR）. MethodsA randomized， positive-controlled， non-inferiority clinical trial design was adopted. Totally， 108 cases of moderate-to-severe AR were randomly divided into Bisaitong group and mometasone furoate group，with 54 cases in each group. The Bisaitong group was treated with Bisaitong smeared at the nasal cavity twice a day， and the mometasone furoate group received inhalation of mometasone furoate nasal spray 100 μg in each nostril， once a day. Both groups were treated for 4 weeks and followed up after additional 4 weeks. Both groups were compared on the rhinoconjunctivitis quality of life questionnaire （RQLQ）， rhinoconjunctivitis total symptom score （RTSS）， visual analogue score （VAS） of sneezing， runny nose， nasal itching， nasal congestion degree， days of AR episodes at enrollment， after 2- and 4-week， and at follow-up. The peripheral blood eosinophil （EOS） count and percentage （EOS%）， serum eosinophil cationic protein （ECP）， serum dust mite， dermatophagoides farinae， and cockroach allergen-specific IgE （sIgE） levels were compared between groups at enrollment and after 4-week treatment. Drug overuse rate was calculated， and the safety was evaluated. The analysis of all efficacy outcomes was based on both full analysis set （FAS） and per-protocol set （PPS）. ResultsThe lower limit of the 95% confidence interval for the differences in RQLQ scores were greater than -0.6 measured after 2- and 4-week treatment and at follow-up compared to that measured at the enrollment in both groups， indicating of the Bisaitong group being non-inferior to the mometasone furoate group. There was no statistically significant difference between groups on RTSS score， VAS scores of sneezing， runny nose， nasal itching， nasal congestion degree and days of episodes at all timepoints （P＞0.05）， but each outcome changed significantly over time in both groups （P＜0.01）. The differences between groups in EOS count， EOS%， ECP levels， serum dust mite， dermatophagoides farinae， cockroach sIgE levels， and drug overuse rate were not statistically significant at enrollment and after 4-week treatment （P＞0.05）. Adverse events occurred in eight cases （15.10%） in the Bisaitong group and five cases （9.30%） in the mometasone furoate group， showing no significant difference between groups （P＞0.05）. ConclusionTopical Bisaitong is non-inferior to mometasone furoate nasal spray in the treatment of moderate to severe AR in terms of clinical symptom relief，reduction in the episodes， improvement of quality of life， and sound safety.

Evaluation of ankle joint protection effect of parachute ankle brace on paratrooper landing / 中华劳动卫生职业病杂志

Objective: To study the protective effect of parachute ankle brace on ankle joint during simulated parachuting landing. Methods: In August 2021, 30 male paratroopers were selected as the test subjects by simple random sampling method. They jumped from the 1.5 m and 2.0 m height platforms respectively with and without parachute ankle brace, and landed on the sandy ground in a semi-squat parachute landing position. The experiment was divided into 1.5 m experimental group and control group and 2.0 m experimental group and control group. Angle sensor and surface electromyograph were used to measure and analyze the coronal tilt range of the ankle joint and the percentage of maximal voluntary contraction (MVE%) of the muscles around the ankle joint, respectively, to evaluate the protective effect of the parachute ankle brace. Results: At the same height, the tilt range of coronal plane of ankle in experimental group was significantly reduced compared with control group, and the difference was statistically significant (P<0.05). Under the same protection state, the tilt range of the coronal plane of the ankle in the 1.5 m group was significantly reduced compared with that in the 2.0 m group, and the difference was statistically significant (P<0.05). The coronal plane inclination range of the ankle in 2 m experimental group was significantly lower than that in 1.5 m control group, and the difference was statistically significant (P<0.05). Compared with 1.5 m control group, MVE% of right tibialis anterior muscle and bilateral lateral gastrocnemius decreased in 1.5 m experimental group, while MVE% of bilateral peroneus longus increased, with statistical significance (P<0.05). Compared with 2.0 m control group, the MVE% of bilateral tibialis anterior muscle and right lateral gastrocnemius decreased in 2.0 m experimental group, while the MVE% of bilateral peroneus longus increased, with statistical significance (P<0.05). The MVE% of bilateral tibialis anterior muscle, bilateral lateral gastrocnemius muscle and right peroneus longus muscle in 1.5 m experimental group decreased compared with 2.0 m experimental group, and the differences were statistically significant (P<0.05). Compared with 2.0 m control group, the MVE% of bilateral tibialis anterior muscle, right lateral gastrocnemius muscle and right peroneus longus muscle in 1.5 m control group decreased, and the differences were statistically significant (P<0.05) . Conclusion: Wearing parachute ankle brace can effectively limit the coronal plane inclination range of ankle joint, improve the stability of ankle joint and reduce the load on the muscles around ankle joint by landing. Reducing the height of the jumping platform can reduce the coronal plane incline range of the ankle and the muscle load around the ankle during landing.

Analysis of the clinical characteristics and misdiagnosis of area postrema syndrome manifesting as intractable nausea, vomiting, and hiccups in neuromyelitis optica spectrum disorders / 中华内科杂志

Objective: To investigate the misdiagnosis of area postrema syndrome (APS) manifesting as intractable nausea, vomiting and hiccups in neuromyelitis optic spectrum disease (NMOSD) and reduce the risk of misdiagnosis. Methods: We retrospectively analyzed data from NMOSD patients attending the Department of Neurology at the First Medical Center of PLA General Hospital between January 2019 and July 2021. SPSS25.0 was then used to analyze the manifestations, misdiagnosis, and mistreatment of APS. Results: A total of 207 patients with NMOSD were included, including 21 males and 186 females. The mean age of onset was 39±15 years (range: 5-72 years). The proportion of patients who were positive for serum aquaporin 4 antibody was 82.6% (171/207). In total, 35.7% (74/207) of the NMOSD patients experienced APS during the disease course; of these patients, 70.3% (52/74) had APS as the first symptom and 29.7% (22/74) had APS as a secondary symptom. The misdiagnosis rates for these conditions were 90.4% (47/52) and 50.0% (11/22), respectively. As the first symptom, 19.2% (10/52) of patients during APS presented only with intractable nausea, vomiting and hiccups; 80.8% (42/52) of patients experienced other neurological symptoms. The Departments of Gastroenterology and General Medicine were the departments that most frequently made the first diagnosis of APS, accounting for 54.1% and 17.6% of patients, respectively. The most common misdiagnoses related to diseases of the digestive system and the median duration of misdiagnosis was 37 days. Conclusions: APS is a common symptom of NMOSD and is associated with a high rate of misdiagnosis. Other concomitant symptoms often occur with APS. Gaining an increased awareness of this disease/syndrome, obtaining a detailed patient history, and performing physical examinations are essential if we are to reduce and avoid misdiagnosis.

Effect of sugammadex on postoperative nausea and vomiting after surgery for intracranial aneurysm / 中华外科杂志

Objective: To investigate the effect of sugammadex on postoperative nausea and vomiting(PONV) after intracranial aneurysm surgery. Methods: Data from intracranial aneurysms patients who met the inclusion and exclusion criteria and underwent interventional surgery in the Department of Neurosurgery, Peking University International Hospital from January 2020 to March 2021 were prospectively included. According to the random number table method, the patients were divided by 1∶1 into the neostigmine+atropine group (group N) and the sugammadex group (group S). Use an acceleration muscle relaxation monitor for muscle relaxation monitoring, and administer neostigmine+atropine and sugammadex to block residual muscle relaxation drugs after surgery. The incidence rates of PONV and severity, the appearance of anesthesia, and the correlation between PONV and postoperative complications were recorded in both groups during five periods after surgery: 0-0.5 hours (T1),0.5-2.0 hours(T2),2.0-6.0 hours (T3),6.0-12.0 hours (T4) and 12.0-24.0 hours (T5). Group comparisons of quantitative data were performed by the independent sample t-test, and categorical data was performed by the χ2 or rank sum test. Results: A total of 66 patients were included in the study, including 37 males and 29 female, aged (59.3±15.4) years (range: 18 to 77 years). The incidence rates of PONV of 33 patients in group S at different time periods of T1, T2, T3, T4, and T5 after surgery were respectively 27.3%(9/33),30.3%(10/33),12.1%(4/33),3.0%(1/33),0(0/33),and the incidence rates of PONV of 33 patients in the group N at different time periods of T1, T2, T3, T4 and T5 after surgery were respectively 36.4%(12/33),36.4%(12/33),33.3%(11/33),6.1%(2/33) and 0(0/33).The incidence of PONV was lower in the group S only in the T3 period after reversal than in the group N (χ2=4.227, P=0.040).However, there was no statistically significant difference in the incidence of PONV between the two groups of patients in other periods (all P>0.05). The recovery time for spontaneous breathing in patients in group S was (7.7±1.4) minutes, the extubation time was (12.4±5.3) minutes, and the safe exit time for anesthesia recovery was (12.3±3.4) minutes; the N groups were (13.9±2.0) minutes, (18.2±6.0) minutes, and (18.6±5.2) minutes, respectively; three time periods in group S were shorter than those in group N, and the differences were statistically significant (all P<0.05). Analysis of the correlation between incidence and severity of PONV in two groups of patients at different periods and postoperative complications showed that only the severity of PONV in the T3 period of the group N was correlated with the incidence of postoperative complications (χ2=24.786,P<0.01);the incidence and severity of PONV during the T4 period were correlated with the incidence of postoperative complications (all P<0.01). There was a correlation between the incidence and severity of PONV in the T3 and T4 periods of group S and the incidence of postoperative complications (all P<0.01). Conclusion: Sugammadex can be used to reverse muscle relaxation in patients undergoing intracranial aneurysm intervention surgery,and it does not have a significant impact on the incidence of PONV, it can also optimize the quality of anesthesia recovery and reduce the incidence of complications after intracranial aneurysm embolization surgery.

Comparison of characteristic chromatogram and the contents of multiple indicator components of Morus alba decoction powder and decoction at different decoction time / 中国药房

OBJECTIVE To compare characteristic chromatogram and the contents of multiple indicator components of Morus alba decoction powder and decoction at different decoction time， and to provide experimental basis for the development of M. alba decoction. METHODS Taking decoction powder and decoction at different decoction time as subject， HPLC characteristic chromatogram of 2 kinds of samples were established with Similarity Evaluation Software System of TCM Chromatographic Fingerprint （2012 version）， and similarity evaluation was performed. The contents of mulberroside A， geniposide， berberine， baicalin， quercetin and luteolin in decoction powder and decoction were determined by HPLC. The contents of each indicator component and the change of total content were as the evaluation indexes to compare the difference between the two substances during decoction. RESULTS The similarities of characteristic chromatogram of the two substances ranged from 0.943 to 1.000 and 0.975 to 0.998 at different decoction time， respectively. Six indicator components of the decoction powder dissolved faster and had higher contents. The contents of each indicator component in the decoction powder when decocting at 20 minutes was 1.1-1.5 times of the decoction when decocting at 50 min， and the total content in the decoction powder was 1.2 times of the decoction. CONCLUSIONS Compared with decoction， M. alba decoction powder has the advantages of shortening the decoction time and saving traditional Chinese medicine resources. The results of this study lay a research foundation for “Zungu” to develop its preparation.

Bone-derived MSCs encapsulated in alginate hydrogel prevent collagen-induced arthritis in mice through the activation of adenosine A2A/2B receptors in tolerogenic dendritic cells

Tolerogenic dendritic cells (tolDCs) facilitate the suppression of autoimmune responses by differentiating regulatory T cells (Treg). The dysfunction of immunotolerance results in the development of autoimmune diseases, such as rheumatoid arthritis (RA). As multipotent progenitor cells, mesenchymal stem cells (MSCs), can regulate dendritic cells (DCs) to restore their immunosuppressive function and prevent disease development. However, the underlying mechanisms of MSCs in regulating DCs still need to be better defined. Simultaneously, the delivery system for MSCs also influences their function. Herein, MSCs are encapsulated in alginate hydrogel to improve cell survival and retention in situ, maximizing efficacy in vivo. The three-dimensional co-culture of encapsulated MSCs with DCs demonstrates that MSCs can inhibit the maturation of DCs and the secretion of pro-inflammatory cytokines. In the collagen-induced arthritis (CIA) mice model, alginate hydrogel encapsulated MSCs induce a significantly higher expression of CD39+CD73+ on MSCs. These enzymes hydrolyze ATP to adenosine and activate A2A/2B receptors on immature DCs, further promoting the phenotypic transformation of DCs to tolDCs and regulating naïve T cells to Tregs. Therefore, encapsulated MSCs obviously alleviate the inflammatory response and prevent CIA progression. This finding clarifies the mechanism of MSCs-DCs crosstalk in eliciting the immunosuppression effect and provides insights into hydrogel-promoted stem cell therapy for autoimmune diseases.

Structural diversification of bioactive bibenzyls through modular co-culture leading to the discovery of a novel neuroprotective agent

Bibenzyls, a kind of important plant polyphenols, have attracted growing attention for their broad and remarkable pharmacological activities. However, due to the low abundance in nature, uncontrollable and environmentally unfriendly chemical synthesis processes, these compounds are not readily accessible. Herein, one high-yield bibenzyl backbone-producing Escherichia coli strain was constructed by using a highly active and substrate-promiscuous bibenzyl synthase identified from Dendrobium officinale in combination with starter and extender biosynthetic enzymes. Three types of efficiently post-modifying modular strains were engineered by employing methyltransferases, prenyltransferase, and glycosyltransferase with high activity and substrate tolerance together with their corresponding donor biosynthetic modules. Structurally different bibenzyl derivatives were tandemly and/or divergently synthesized by co-culture engineering in various combination modes. Especially, a prenylated bibenzyl derivative ( 12) was found to be an antioxidant that exhibited potent neuroprotective activity in the cellular and rat models of ischemia stroke. RNA-seq, quantitative RT-PCR, and Western-blot analysis demonstrated that 12 could up-regulate the expression level of an apoptosis-inducing factor, mitochondria associated 3 (Aifm3), suggesting that Aifm3 might be a new target in ischemic stroke therapy. This study provides a flexible plug-and-play strategy for the easy-to-implement synthesis of structurally diverse bibenzyls through a modular co-culture engineering pipeline for drug discovery.

Clinical and radiologic comparison between oblique lateral interbody fusion and minimally invasive transforaminal lumbar interbody fusion for degenerative lumbar spondylolisthesis / 中国骨伤

OBJECTIVE@#To compare the short-term clinical efficacy and radiologic differences between oblique lateral interbody fusion(OLIF) and minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) for degenerative lumbar spondylolisthesis.@*METHODS@#A retrospective analysis was performed on 58 patients with lumbar spondylolisthesis treated with OLIF or MIS-TLIF from April 2019 to October 2020. Among them, 28 patients were treated with OLIF (OLIF group), including 15 males and 13 females aged 47 to 84 years old with an average age of (63.00±9.38) years. The other 30 patients were treated with MIS-TLIF(MIS-TLIF group), including 17 males and 13 females aged 43 to 78 years old with an average age of (61.13±11.10) years. General conditions, including operation time, intraoperative blood loss, postoperative drainage, complications, lying in bed, and hospitalization time were recorded in both groups. Radiological characteristics, including intervertebral disc height (DH), intervertebral foramen height (FH), and lumbar lordosis angle (LLA), were compared between two groups. The visual analogue scale (VAS) and Oswestry disability index (ODI) were used to evaluate the clinical effect.@*RESULTS@#The operation time, intraoperative blood loss, postoperative drainage, lying in bed, and hospitalization time in OLIF group were significantly less than those in the MIS-TLIF group (P<0.05). The intervertebral disc height and intervertebral foramen height were significantly improved in both groups after the operation (P<0.05). The lumbar lordosis angle in OLIF group was significantly improved compared to before the operation(P<0.05), but there was no significant difference in the MIS-TLIF group before and after operation(P>0.05). Postoperative intervertebral disc height, intervertebral foramen height, and lumbar lordosis were better in the OLIF group than in the MIS-TLIF group (P<0.05). The VAS and ODI of the OLIF group were lower than those of the MIS-TLIF group within 1 week and 1 month after the operation (P<0.05), and there were no significant differences in VAS and ODI at 3 and 6 months after the operation between the two groups(P>0.05). In the OLIF group, 1 case had paresthesia of the left lower extremity with flexion-hip weakness and 1 case had a collapse of the endplate after the operation;in the MIS-TLIF group, 2 cases had radiation pain of lower extremities after decompression.@*CONCLUSION@#Compared with MIS-TLIF, OLIF results in less operative trauma, faster recovery, and better imaging performance after lumbar spine surgery.

Demographic characteristics of whole blood donors aged 56 to 60 in Guangzhou / 中国输血杂志

【Objective】 To study the demographic characteristics of whole blood donors aged 56 to 60 in Guangzhou, so as to provide reference for smooth implementation of the recruitment and management of elderly blood donors in Guangzhou. 【Methods】 The data of whole blood donors, aged 56 to 60, in Guangzhou Blood Center from July 1, 2016 to June 30, 2021 were retrospectively analyzed, and such characteristics as the number of blood donations, gender, donation frequency, donation volume, occupation and educational background were analyzed. 【Results】 A total of 3 996 blood donors aged 56 to 60, including 3 013 males and 983 females, gave 14 416 donations during July 1, 2016 to June 30, 2021, with the proportion of 400 mL specification at 64.1% (6 999/10 918) of males, which was significantly higher than that of females 57.7% (2 017/3 498). The number of blood donors had been decreasing year by year, but the ratio of men to women was stable.The education background of blood donors were mainly high school, junior college, and undergraduate education, accounting for more than 60% in total, and the proportion of undergraduate and graduate degree trended to grow. Staff, workers, medical staff and civil servants were the majorities, and the proportion of medical staff trended to grow. 【Conclusion】 Male blood donors aged 56 to 60 in Guangzhou showed stronger intention to donate blood, and the proportion of blood donors with better education and medical staff was on the rise.