Spontaneous intracerebral hemorrhage (ICH) refers to primary non-traumatic parenchymal hemorrhage.Its mortality and disability are extremely high.A simple and easy clinical grading scale for ICH can not only evaluate the prognosis of patients,but also has an important guiding significance for clinical treatment and clinical research.This article reviews the contents of major intracerebral hemorrhage scales,external validation,advantages and disadvantages,and explains its scope of application and clinical application.

The method of homogeneity evaluation for active pharmaceutical ingredient (API) spatial distribution in lyophilized product was investigated for the first time with confocal micro-Raman spectroscopy mapping, using pemetrexed disodium for injection as a model drug. Certain areas of the lyophilized product were scanned to obtain Raman spectra. The classical method ("peak clipping" method) was employed for mapping with characteristic Raman peaks of the API and the excipient. Due to the API being finely dispersed in the excipient in lyophilized products, the classical method cannot discriminate between the two ingredients making the distribution homogeneity difficult to evaluate. The "ratio of characteristic peak intensities" method was then utilized. Using this method, the relative intensity of the characteristic Raman peaks of the API to the excipient was applied for mapping and the relative content of API to excipient was calculated for a homogeneity evaluation of the drug distribution. The validation of this method showed a good linear relationship between the relative intensity and the relative content of API to excipient (r² > 0.99), and the precision and recovery were adequate for homogeneity evaluation of API by Raman spectroscopy mapping. Five products of pemetrexed disodium for injection from different manufacturers were tested through Raman maps applying this method and the histograms of relative Raman intensity were also plotted by frequency to help the homogeneity evaluation of drug distribution. The results showed that there were obvious differences in the drug distribution homogeneity from different products, where a more homogeneous API distribution was found in the brand product. This research provides a reliable method for the homogeneity evaluation of API distribution, which facilitates quality evaluation and process optimization of lyophilized products.

Objective:To summarize the atypical manifestations and treatment strategies of serous microcystic neoplasm of the pancreas.Methods:Review the case data of 11 cases of pancreatic serous microcystic adenoma with atypical preoperative clinical imaging findings admitted to Peking Union Medical College Hospital from July 2008 to October 2019, and summarize their clinical manifestations, CT/MRI features, and preoperative clinical diagnosis, surgical methods, postoperative conditions.Results:The median age of the 11 patients was 50 (46-66) years old, 7 females, and 4 males. There were 8 cases with back pain and 6 cases with weight loss. The preoperative imaging examination found that the lesion was located in the head and neck in 8 cases, with pancreaticobiliary duct dilatation in 7 cases, suspected vascular invasion in 3 cases, and pancreatic parenchymal atrophy in 2 cases, 3 cases showed rich blood supply and solid space, and 2 cases were connected to the pancreatic duct. Preoperative diagnosis of pancreatic malignant tumors accounted for 4 cases, neuroendocrine tumors in 3 cases, solid pseudopapillary tumors in 3 cases, and intraductal papillary mucinous tumors in 1 case. All patients underwent surgical treatment, 3 cases of distal pancreatectomy (2 cases of using Kimura method to protect the spleen), 3 cases of pancreaticoduodenectomy, 1 case of total pancreatectomy, 2 cases of pancreatic head resection with duodenum preservation, 2 cases of local resection. All patients had no early postoperative deaths. There were 2 cases of grade B pancreatic fistula, 2 cases of biochemical leakage, 1 case of postoperative abdominal hemorrhage, and 2 cases of delayed gastric emptying, all of which were cured after active treatment. The median postoperative hospital stay was 18 (7-63) days.Conclusions:Pancreatic serous microcystic neoplasm could be accompanied by atypical features such as pancreatic/bile duct dilation, parenchyma atrophy, or even present vessel invasion. Understanding the atypical clinic and image features would help improving differential diagnosis and treatment. For those with invasive features, surgical exploration should be recommended.

In this work, polyelectrolyte microcapsules containing gold nanoparticles were prepared via layer by layer assembly. Gold nanoparticles and poly (allyamine hydrochloride) (PAH) were coated on the CaCO3 microparticles. And then EDTA was used to remove the CaCO3 core. Scanning electron microscopy (SEM) was used to characterize the surface of microcapsules. SEM images indicate that the microcapsules and the polyelectrolyte multilayer were deposited on the surface of CaCO3 microparticles. FITC-bovine serum albumin (FITC-BSA, 2 mg) was incorporated in the CaCO3 microparticles by co-precipitation. Fluorescence microscopy was used to observe the fluorescence intensity of microcapsules. The encapsulation efficiency was (34.31 +/- 2.44) %. The drug loading was (43.75 +/- 3.12) mg g(-1).
Calcium Carbonate ; chemistry ; Capsules ; Drug Carriers ; Drug Delivery Systems ; methods ; Electrolytes ; chemistry ; Fluorescein-5-isothiocyanate ; analogs & derivatives ; chemistry ; Gold ; chemistry ; Microscopy, Electron, Scanning ; Microscopy, Fluorescence ; Nanoparticles ; Particle Size ; Serum Albumin, Bovine ; chemistry

Systemic sclerosis (SSc) is a connective tissue disease characterized by extensive fibrosis, vasculopathy, and activation of the immune system. Its pathogenesis and mechanisms have not been identified. Studies have shown that environmental and genetic factors are involved in the pathogenesis and development of SSc. Although the concordance for the disease among identical twins is low, concordance for antoantibodies associated with SSc and for fibroblast gene expression profiles is higher. However, the candidate-gene approach has not established clear associations between polymorphisms and SSc. Based on the involvement of SSc, the candidate gene can be screened from three groups: fibrosis, immune response, and vascular disease. This article summarizes the recent advances in these three aspects.
Fibrillins ; Genetic Predisposition to Disease ; Humans ; Microfilament Proteins ; genetics ; Polymorphism, Genetic ; Protein Tyrosine Phosphatases ; genetics ; Scleroderma, Systemic ; genetics ; Tumor Necrosis Factor-alpha ; genetics

OBJECTIVETo report the experience in diagnosis and management of bleeding pseudoaneurysms associated with severe acute pancreatitis (SAP).

METHODSThe medical records of 12 patients with bleeding pseudoaneurysms associated with SAP treated between October 1990 and October 2006 were retrospectively reviewed. The etiologies of the 12 patients were gallstones in 6 patients, hyperlipidemia in 3 patients, hyperparathyroidism in 1 patient and the other 2 patients had no definitive causes.

RESULTSAbdominal computed tomography revealed bleeding pseudoaneurysms in 6 of 9 patients. Angiography determined correct diagnosis in 12 patients (12/12). The most involved vessels were peripancreatic arteries. Eight patients were managed by trans-catheter arterial embolization (TAE) as "one point" (a proximal point of the pseudo-aneurysm). Two patients were treated by TAE as "two points" (both distal and proximal to the pseudo-aneurysm). The last two cases were treated by surgery as suture and ligation. Four of the "one point" TAE patients were re-bleeding 4 to 7 days later, and 2 of them were treated with surgery, the other 2 patients were controlled with "two points" TAE. Three patients were died of infection and multiple organ dysfunction syndromes. Overall mortality rate was 25% (3/12).

CONCLUSIONSAngiography is the main diagnostic methods for bleeding pseudoaneurysms in SAP patients. "Two points" embolization and emergency surgery are an effective treatment options in these patients.

Adult ; Aged ; Aneurysm, False ; diagnosis ; etiology ; therapy ; Aneurysm, Ruptured ; diagnosis ; etiology ; therapy ; Angiography ; Embolization, Therapeutic ; Female ; Hemorrhage ; diagnosis ; etiology ; therapy ; Humans ; Ligation ; Male ; Middle Aged ; Pancreatitis, Acute Necrotizing ; complications ; Retrospective Studies ; Treatment Outcome

OBJECTIVETo study Chinese medicine (CM) signs and symptoms of urethane-induced lung cancer in mice, and observe the effect of Aconiti Lateralis Radix Praeparata and Taraxaci Herba on symptoms in mice and tumor progress.

METHODThe mice were intraperitoneally injected with urethane twice a week for consecutively five weeks to establish a lung cancer model. The changes in their appearance, body temperature and auricle microcirculation were observed in carcinogenic process. CM signs and symptoms of urethane-induced lung cancer in mice were evaluated with energy metabolism, erythrocytic ATP emzymatic activity and hemorrheological index. During the tumor model was induced, Aconiti Lateralis Radix Praeparata and Taraxaci Herba were used to treat the mice and observe their effect on symptoms in mice and tumor progress.

RESULTDuring urethane was used to induce lung cancer, the mice had gradually become chill, lazy, hunched, with reduction in temperature, cyanosis in auricle and tail. Meanwhile, their energy metabolism and erythrocytic ATP enzymatic activity reduced, whereas their whole blood viscosity and erythrocytic aggregate index increased. Taraxaci Herba showed an effect on enhancing above symptoms and signs but had no effect on tumor progress. Aconiti Lateralis Radix Praeparata showed an effect on reducing above symptoms and signs and preventing tumor progress.

CONCLUSIONMice with urethane-induced lung cancer show CM signs and symptoms of congealing cold with blood stasis. The treatment with Aconiti Lateralis Radix Praeparata can alleviate symptoms and signs in mice and prevent tumor progress.

Aconitum ; chemistry ; Animals ; Blood Circulation ; drug effects ; Drugs, Chinese Herbal ; administration & dosage ; Female ; Humans ; Lung Neoplasms ; chemically induced ; drug therapy ; pathology ; physiopathology ; Mice ; Mice, Inbred BALB C ; Neoplastic Processes ; Taraxacum ; chemistry ; Urethane ; adverse effects

The complications of injection sclerotherapy for hemorrhoid are always local. Herein, we report a case in which a female patient with abdominal compartment syndrome developed after receiving a local injection of a sclerosing agent for hemorrhoid.
Abdomen ; Aged ; Compartment Syndromes ; etiology ; Female ; Hemorrhoids ; therapy ; Humans ; Sclerotherapy ; adverse effects

OBJECTIVETo study the effects of fluoride on the proliferation and differentiation of osteoblasts in sucking rats and the antagonism of vitamin Cin vitro.

METHODSThe enzyme digesting method was used to isolate the rat osteoblasts; the proliferative response was determined by the percents of reduced alamarBlue; the activity of alkaline phosphatase (ALP) was measured by ELISA method.

RESULTSThe proliferation of sucking rat osteoblasts was increased at 0.10 - 1.00 mmol/L of NaF, whereas inhibited at >or= 2.00 mmol/L. ALP activity was increased at 0.01 - 0.05 mmol/L of NaF, and decreased at >or= 0.10 mmol/L. The inhibition on proliferation and differentiation at 2 mmol/L NaF was antagonized by vitamin C.

CONCLUSIONFluoride had a two-phase effect on osteoblasts, vitamin C could antagonize the inhibitory effect of higher concentration of fluoride on proliferation and differentiation of osteoblasts.

Alkaline Phosphatase ; analysis ; Animals ; Animals, Newborn ; Ascorbic Acid ; pharmacology ; Cell Differentiation ; drug effects ; Cell Proliferation ; drug effects ; Enzyme-Linked Immunosorbent Assay ; Fluorides ; pharmacology ; Osteoblasts ; cytology ; drug effects ; enzymology ; Rats ; Rats, Wistar

Photodynamic therapy (PDT), because of its good targeting, minimal invasion, and safety, is becoming a very active area in cancer prevention and treatment, in which the photosensitizers have proved to be the core element for PDT. We developed a new HPLC method for analyzing porphyrin photosensitizers using Shiseido Capcell PAK C18 (150 mm x 4.6 mm, 5 µm) as the column at 30 °C, methanol-1% aqueous solution of acetic acid as the mobile phase in a flow rate of 1.0 mL · min(-1) in a gradient elution mode, and the detection wavelength at 380 nm. This method, showing good specificity, precision, accuracy and robusty via methodology validations, can be applied to the purity test and assay of porphyrin photosensitizers, and has played a key guide role in the R&D of the new porphyrin photosensitizer--sinoporphyrin sodium.
Chromatography, High Pressure Liquid ; Photochemotherapy ; Photosensitizing Agents ; chemistry ; Porphyrins ; chemistry