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Streptococcus Agalactiae

Group B Streptococcus


Presentation

  • A unique case of mycotic aneurysm of the abdominal aorta caused by Streptococcus agalactiae in an afebrile patient presenting with abdominal pain is described.[ncbi.nlm.nih.gov]
  • One patient with vegetation at mechanical valve, mitral position and patient presented with congestive heart failure.[ncbi.nlm.nih.gov]
  • We present 2 patients with Streptococcus agalactiae toxic shock-like syndrome and review another 11 well-reported cases from the literature.[ncbi.nlm.nih.gov]
  • The other was an 80-year-old man who presented with acute confusion and stiffness of the neck. During treatment, he developed septic shock and generalized tonic-clonic convulsions.[ncbi.nlm.nih.gov]
  • The authors highlight the severity of vascular embolic disease present in this case and the diagnostic challenge.[ncbi.nlm.nih.gov]
Pleuritic Pain
  • A 33-year-old woman was admitted to National Taiwan University Hospital because of fever and right pleuritic pain. Chest roentgenography and computed tomography revealed right pleural effusion.[ncbi.nlm.nih.gov]
Back Pain
  • The patient was treated with immobilization and parenteral antibiotics but developed recurrent back pain requiring a posterior spinal fusion.[ncbi.nlm.nih.gov]
  • Neck or back pain was the most common symptom. Diagnosis depended mainly on magnetic resonance imaging. Blood cultures were positive in 50% of the patients. The duration of antibiotic therapy was 6 weeks for most patients.[ncbi.nlm.nih.gov]
  • A 68-year-old woman with low back pain experienced a sudden onset of bilateral lower limb weakness, it was followed 14 days later by urine retention.[ncbi.nlm.nih.gov]
Neglect
  • The wound, if neglected, will expand very quickly and may lead to amputation and even death. So early diagnosis, standardized treatment, and postoperative rehabilitation is very important.[ncbi.nlm.nih.gov]
Limb Weakness
  • A 68-year-old woman with low back pain experienced a sudden onset of bilateral lower limb weakness, it was followed 14 days later by urine retention.[ncbi.nlm.nih.gov]

Workup

  • Diagnostic inpatient workup including echocardiography revealed no focus of infection. Bone marrow biopsy revealed the diagnosis of precursor T-cell acute lymphoblastic leukemia ( Figure ).[jamanetwork.com]
Right Pleural Effusion
  • Chest roentgenography and computed tomography revealed right pleural effusion. Examination of the pleural effusion revealed a profile compatible with empyema and chylothorax. Culture of the pleural effusion yielded Streptococcus agalactiae.[ncbi.nlm.nih.gov]
Pericardial Effusion
  • An autopsy revealed 50mL of purulent pericardial effusion, and S. agalactiae was detected from the culture of this pericardial effusion. Two slender rope-like vegetations were present at the right aortic valve cusp and noncoronary aortic valve cusp.[ncbi.nlm.nih.gov]
Fusarium
  • METHODS: This study evaluated for the first time the effect of an oleoresin collected from Copaifera multijuga Hayne (copaiba oil) alone or in combination with silver nanoparticles produced by green synthesis using Fusarium oxysporum (AgNPbio) against[ncbi.nlm.nih.gov]

Treatment

  • We recommend treatment with penicillin or ampicillin, since bacteria were resistant to clindamycin and tetracycline. In conclusion, our results provide valuable information for the clinical treatment of S. agalactiae sepsis in neonatal infants.[ncbi.nlm.nih.gov]
  • During treatment, he developed left hemiparesis from cerebral infarction and bilateral deafness. The other was an 80-year-old man who presented with acute confusion and stiffness of the neck.[ncbi.nlm.nih.gov]
  • We experienced a 45-year-old woman with pustular psoriasis who developed toxic shock-like syndrome during infliximab treatment. Surprisingly, similar episodes recurred three times in one year with restarting of infliximab treatments.[ncbi.nlm.nih.gov]
  • In vivo and clinical studies are needed in order to confirm whether such a strategy may be effective in the treatment of implant-associated infections caused by streptococci. The Author 2017.[ncbi.nlm.nih.gov]
  • The adherence and intracellular viability of S. agalactiae in HUVECs with or without pre-treatment of DPI, apocynin (NADPH oxidase inhibitors), and LY294002 (PI3K inhibitor) were evaluated by penicillin/gentamicin exclusion.[ncbi.nlm.nih.gov]

Prognosis

  • Abstract Infective endocarditis due to Streptococcus agalactiae is uncommon and carries an ominous prognosis, leading some authors to advocate early surgery.[ncbi.nlm.nih.gov]
  • Despite her presumed guarded prognosis, this patient made a remarkable recovery. To our knowledge, the association of S agalactiae endocarditis with acalculous cholecystitis has not been previously described.[ncbi.nlm.nih.gov]
  • Key Words: Pregnancy, prognosis, Streptococcus agalactiae.[scielo.br]
  • Although the prognosis of native valve endocarditis has improved in recent years, probably because of an increased use of cardiac surgery, this trend has not been seen in prosthetic valve endocarditis, where the prognosis remains poor.[academic.oup.com]
  • In a review of cases of GBS endogenous endophthalmitis, most had ocular involvement within 5 days of onset of sepsis, and ocular infection was not the initial manifestation of sepsis in any patient. 1 The visual prognosis in GBS endophthalmitis is poor[jamanetwork.com]

Etiology

  • Group B streptococcus (Streptococcus agalactiae) is a common etiology of bacteremia among adults. Pyomyoma is a rare infectious complication of uterine leiomyomas.[ncbi.nlm.nih.gov]
  • Streptococcus agalactiae (Group B Streptococcus) is recognized as the etiologic agent of newborn and infant meningitis, aged up to 90 days, starting from the colonization of the maternal genital or gastrointestinal tract, but it is rarely responsible[ncbi.nlm.nih.gov]
  • We depict here a case where a nonhemolytic (γ-hemolytic) GBS strain was found to be the etiologic agent of vaginal infection.[ncbi.nlm.nih.gov]
  • Reinscheid and Pietro Speziale Blood 2005 105:1052-1059; doi: Abstract The bacterium Streptococcus agalactiae is an etiologic agent in the pathogenesis of endocarditis in humans.[bloodjournal.org]

Epidemiology

  • CONCLUSION: High epidemiological values of GBS colonisation and incidence were found in this study.[ncbi.nlm.nih.gov]
  • Abstract Although the highest burden of Streptococcus agalactiae infections has been reported in industrialized countries, studies on the characterization and epidemiology are still limited in developing countries and implementation of control strategies[ncbi.nlm.nih.gov]
  • Epidemiological analysis showed an almost equal distribution in all regions of Thailand, except serotype III was found predominantly in the southern areas.[ncbi.nlm.nih.gov]
  • Comparative studies were able to differentiate S. agalactiae isolates from elephants into different infectious clusters based on their epidemiological background.[ncbi.nlm.nih.gov]
  • Hickman ME, Rench MA, Ferrieri P, Baker CJ: Changing epidemiology of group B streptococcal colonization. Pediatrics 1999;104:203–209.[doi.org]
Sex distribution
Age distribution

Pathophysiology

  • Clinical Information Discusses physiology, pathophysiology, and general clinical aspects, as they relate to a laboratory test Streptococcus agalactiae (group B streptococcus) is a cause of morbidity and mortality among infants.[mayocliniclabs.com]
  • Although the pathophysiological mechanisms that could be related to appendectomy are not clearly known, some points should be considered. The main reservoir of GBS in humans is the lower gastrointestinal tract 4.[elsevier.es]
  • Study 21 Pathophysiology: Chapter 23 Multiple Choice flashcards from Sarah W. 5% sodium chloride STREPTOCOCCUS Questions and Answers pdf free download in microbiology mcqs,interview questions,objective questions,multiple choice You can find the answer[oconomowocsportsboosterclub.org]

Prevention

  • Despite the advances in the treatment and prevention of neonatal infections as a consequence of implementation of national and international recommendations for prevention of infection, there are still some improvements for the final control of the disease[ncbi.nlm.nih.gov]
  • Nevertheless, to the best of our knowledge, this is the largest investigation on GBS carriage among pregnant women in Brazil up to date, and results are useful for improving GBS prevention and treatment strategies.[ncbi.nlm.nih.gov]
  • Authors' objectives To determine the best timing for group B streptococcus (GBS) screening in pregnancy to optimise prevention of perinatal GBS infection. Searching MEDLINE and EMBASE were searched from 1966 to February 2009.[ncbi.nlm.nih.gov]
  • Abstract A project of an experimental recombinant vector vaccine for prevention of diseases caused by pathogenic streptococci based on ScaAB lipoprotein of Streptococcus agalactiae and a coldadapted strain of live influenza vaccine as a vector was developed[ncbi.nlm.nih.gov]

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