A pharmacokinetic study of cefazolin hydrochloride for injection was conducted on healthy subjects to determine the time-dependent blood concentration of cefazolin and calculate the pharmacokinetic parameters of cefazolin to understand the absorption, distribution, metabolism, and elimination patterns of cefazolin hydrochloride for injection in the human body, providing an experimental basis for the formulation of a Phase II clinical trial plan for cefazolin hydrochloride for injection.

Start Date14 Sep 2009

Sponsor / Collaborator

Shenzhen Zhijun Pharmaceutical Trade Co., Ltd.

100 Clinical Results associated with (non-specific) purulent meningitis

100 Translational Medicine associated with (non-specific) purulent meningitis

0 Patents (Medical) associated with (non-specific) purulent meningitis

1,820

Literatures (Medical) associated with (non-specific) purulent meningitis

01 Nov 2024·Virus Research

Prevalence and genetic diversity of Parechovirus

Article

Author: Zhou, Zhi-Jian ; Liao, Zheng-Chan ; Ge, Xing-Yi ; Zheng, Jia-Hao ; Qiu, Ye ; Huang, Xun

Human parechovirus (HPeV) is a common virus that can cause severe infections in newborns. Due to the limited knowledge of the prevalence of HPeV in different cities in China and the unknown association between HPeV infection and clinical characteristics of newborns, this research investigated the epidemiological and clinical characteristics of HPeV infection in hospitalized neonates in Changsha. From August to October 2023, 145 anal swab samples from 96 newborns and 38 pharyngeal swab samples from 33 newborns in the neonatal intensive care unit (NICU) were collected. The prevalence of HPeV was detected by reverse transcription-polymerase chain reaction (RT-PCR). The genomes of HPeV were sequenced and the viral protein 1 (VP1) region was used for genotyping. Phylogenetic analysis and recombination analysis of HPeV genome were performed. Finally, HPeV was detected in 10 out of 44 patients in October, all of them were HPeV-1. The sequenced 4 genomes of HPeV showed high genetic diversity with known strains. Additionally, a HPeV-1 recombinant strain was detected. Compared with HPeV negative patients, HPeV patients had higher prevalence of abdominal pain and diarrhea, intracranial hemorrhage, and purulent meningitis. Compared with HPeV negative patients, HPeV patients had higher peripheral blood lymphocytes, albumin, globulin, pH and lower peripheral blood neutrophils and hemoglobin. HPeV is an important viral cause of newborn infections and appears to be increasing in prevalence in recent years. Characteristic clinical pictures exist in HPeV infections, and further research is needed to accumulate more cases to obtain a comprehensive understanding of HPeV infections.

01 Oct 2024·Veterinary Research Communications

Study of Akabane disease in an Iranian dairy herd: a re-emerging disease

Article

Author: Rahimabadi, Peyman Dehghan ; Mardjanmehr, Seyed Hossein ; Masoudifard, Majid ; Gorjidooz, Morteza ; Raoofi, Afshin

Akabane virus is a teratogenic pathogen transmitted by Culicoides spp. to ruminants. The virus induces anomalies in the central nervous system in the developing fetus, resulting in arthrogryposis-hydranencephaly (A-H) syndrome. During three outbreaks of the disease (2002, 2013, and 2020), 77 calves were born in Varamin, Iran, with A-H syndrome. The presenting neurologic signs were categorized into three main groups, as common, less common, and uncommon signs. The common signs were unawareness of the surroundings, blindness, deep depression, partial failure of suckling, and unintelligent behavior. The less commonly noted signs were hyperexcitability, regurgitation, head pressing, compulsive walking, and kicking, while the uncommon signs comprised protrusion of the tongue, making sounds resembling barking, carnivore-like milk drinking, and deafness. Arthrogryposis, dome-shaped skull, kyphosis, torticollis, lordosis, scoliosis, and spina bifida were the diagnosed skeletal defects. Upon necropsy, hydranencephaly, hydrocephaly, and microencephaly were seen in the calves presenting neurologic signs, while astrocytosis, astrogliosis, focal gliosis, perivascular, perineuronal, and submeningeal edema, perivascular cuffing, non-suppurative meningitis, non-suppurative encephalitis and lymphoplasmacytic infiltration, and perivascular and parenchymal hemorrhage were seen in samples obtained from the brains. RT-PCR detected Akabane virus in the brain tissues of the affected calves. This is the first clinical study of Akabane disease in calves in Iran.

01 Sep 2024·Indian Journal of Microbiology

The Pathology of the Brain Eating Amoeba Naegleria fowleri

Article

Author: Borkens, Yannick

AbstractThe genus Naegleria is a taxonomic subfamily consisting of 47 free-living amoebae. The genus can be found in warm aqueous or soil habitats worldwide. The species Naegleria fowleri is probably the best-known species of this genus. As a facultative parasite, the protist is not dependent on hosts to complete its life cycle. However, it can infect humans by entering the nose during water contact, such as swimming, and travel along the olfactory nerve to the brain. There it causes a purulent meningitis (primary amoebic meningoencephalitis or PAME). Symptoms are severe and death usually occurs within the first week. PAME is a frightening infectious disease for which there is neither a proven cure nor a vaccine. In order to contain the disease and give patients any chance to survival, action must be taken quickly. A rapid diagnosis is therefore crucial. PAME is diagnosed by the detection of amoebae in the liquor and later in the cerebrospinal fluid. For this purpose, CSF samples are cultured and stained and finally examined microscopically. Molecular techniques such as PCR or ELISA support the microscopic analysis and secure the diagnosis.

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