View clinical trials related to Communicable Diseases.
Filter by:Surgical removal of impacted mandibular wisdom teeth is a frequent intervention, usually accompanied by unpleasant sequelae (pain, swelling and trismus) in the postoperative period, sometimes even with possibly serious complications (dry socket/alveolar osteitis and postoperative infection at the surgical site - SSI). It is therefore advisable to use various medications and procedures to prevent or alleviate the occurrence of these sequelae and complications. Accordingly, there is a debate in the literature on the expedience of perioperative (prophylactic) use of antibiotics. It is interesting that numerous articles recommending perioperative (prophylactic) antibiotic use to patients undergoing the impacted mandibular third molar surgery may be found, as well as those providing arguments for the disagreement with such an approach, considering that its benefits do not outweigh the risks of adverse side effects, especially due to growing resistance of microorganisms towards antibiotics, which is a possible serious threat to global health. Concerning the perioperative (prophylactic) use of antibiotics for this indication, consensus has not yet been reached, and neither of the views has been verified by convincing scientific evidence. Having the aforementioned dilemma in mind, the main endpoint of the study was to determine the validity of perioperative (prophylactic) use of antibiotics as to alleviate customary sequelae and possible complications after surgical removal of impacted mandibular third molars and, at the same time, the effectiveness of newer antibiotics (moxifloxacin and cefixime) when used for this purpose. Moreover, microbiological investigations of susceptibility of the isolated microorganisms to antibiotics used in this research were performed, which could verify the clinically obtained results. With this in mind, two major contributions, based on scientifically verified results, could be expected from the research: (1) confirmation or refuting the validity of perioperative (prophylactic) antibiotic use to control sequelae or complications that could follow the impacted mandibular third molar surgery; and (2) confirmation of the efficacy of fluoroquinolones (moxifloxacin) and cephalosporins (cefixime) in controlling odontogenic infections.
Factors associated with severe forms of COVID-19 infection in patients with inflammatory rheumatic diseases (IRD) or Autoimmune Diseases (AID) are unknown. This unprecedented situation leads to empirical and potentially erroneous advice and recommendations for care. Identifying factors associated with severity, in the context of this pandemic, which is expected to last many months, and possibly years, is crucial for future patients. The objective of this work is to identify the factors associated with the occurrence of severe forms of COVID-19 infection in patients with IRD or AID, by combining analysis of 2 large databases.
This is a randomized, double-blinded, Phase 3, multi-center trial of the clinical and microbiologic response of patients with a respiratory tract infection (RTI) due to coronavirus treated with a combination of azithromycin and hydroxychloroquine. Approximately 200 patients with symptoms of an RTI who test positive for SARS-CoV-2 by polymerase chain reaction (PCR) will receive a combination of azithromycin 500 mg and hydroxychloroquine 600 mg or matching placebos for six consecutive days. There will be two treatment regimens into which patients are randomized so that all patients will receive some active therapy.
This qualitative study aims to explore lived experiences of older adults living with HIV in Hong Kong. Twenty older Chinese adults of age 50 or above will be recruited from an HIV specialist clinic providing HIV care in the public service. Qualitative, semi-structured interview will be conducted to explore risk factors contributing to life stress and adversity, and protective factors associated with resilience. The qualitative data will be delineated to propose a typology of older adults living with HIV as characterized by their unmet needs, barriers and facilitators of resilience-building.
The aim of work to assess the effectiveness of preoperative vaginal cleansing with povidone iodine on reduction of post caesarean section wound infection Research questions: Does vaginal cleaning using povidone iodine before cesarean section has effect on reduction of postoperative wound infection??
This retrospective study will evaluate characteristics, vaccine utilization and outcomes among subjects with immunocompromising conditions that received COVID-19 vaccination.
Surgical site infections (SSI) constitute an important health concern in low and middle income countries, leading to prolonged hospital stay and increased costs. Previous studies indicate that in Africa up to 1/3 of patients undergoing surgery may be affected by a postoperative infection. The development and implementation of context-specific SSI prevention guidelines is important to reduce this complication. To deploy efficient context-specific measures, data on epidemiology and microbiology of these infections are needed. This means to adapt the prevention measures to the context-specific risk factors for surgical site infections in resource-limited settings, and to give locally adapted recommendations on antimicrobial therapy based on local resistance patterns. However, data in this respect are scarce in low and middle income countries. This present study will contribute to the needed epidemiology and microbiology data on SSI in Cameroon. It will be carried out as a prospective cohort study at the Mbouo Protestant hospital in the West Region of Cameroon. The incidence, microbial spectrum and respective antimicrobial resistance of SSI as well as the risk factors of SSI will be systematically investigated. The study will include 300 patients at the Hôpital Protestant de Mbouo (HPM) who underwent surgery and gave their informed consent for inclusion, the timeframe is 04/2021 - 11/2021. An active SSI surveillance system will be put in place for 30 postoperative days to diagnose SSI. Expected outcomes: The incidence of SSI is likely to be higher than 10%. Concerning risk factors, preoperative bodywashing and perioperative antibioprophylaxis is expected to be protective against SSI. Up to 1/3 of SSI are expected to occur after hospital discharge. For the microbial spectrum, a high proportion of Staphylococcus aureus is likely to be found. For the antimicrobial resistance no estimation can be give as data is non-existent in that region from the literature.
This household-based prospective cohort study aims to stablish the household transmission of Respiratory syncytial virus and S. pneumoniae especially in the elderly and infants/children as well as inter-relationship between S. pneumoniae and Respiratory syncytial virus.
The rationale of the study is to provide evidence on the efficacy and safety of Emodepside in adults infected with Trichuris trichiura and hookworm.
Acute myeloid leukemia (AML) patients are prone to blood stream infection (BSI) due to bone marrow suppression, oral and gastrointestinal mucositis, endovascular tubes, and the application of a large number of broad-spectrum antibiotics. The associated mortality rate is as high as 7.1 %-42%. The use of antibiotics within one hour after the first observation of hypotensive symptoms can guarantee a 79.9% survival rate. For every hour of delay, the patient's survival rate will drop by 7.6%. At present, the blood culture test cycle is long and the positive rate is low. Other infection-related indicators (PCT, CRP) or next-generation sequencing are not highly specific and easy to be misdiagnosed. X-ray, CT and other examinations only have a certain auxiliary value for the infected site. We need new diagnostic tools to accurately identify pathogens. Nano-seq is a next-generation sequencing technology for single-molecule, real-time sequencing and analysis. With ultra-long sequencing read length, it can quickly and accurately identify BSI pathogens types, and give appropriate drug sensitivity results based on drug resistance genes to meet the needs of 99.9% pathogen screening. At the same time, we hope to conduct a prospective evaluation to target high-risk groups of AML prone to BSI in the early stage. The intestine is the body's largest immune organ and the largest reservoir of microbial pathogens. The expansion of certain gut microbiota usually precedes BSI. If there is a correlation between the gut microbiota and MDR-BSI, the colonization and changes of the intestinal flora can be used to predict the risk of BSI in patients during treatment, and preventive measures such as early decolonization or biological intervention will reduce the risk of infection in the future. Combined with Nano-seq and various existing clinical pathogen detection technologies to reduce the occurrence and progress of clinical BSI.