scholarly journals 203. Gardnerella vaginalis Bacteremia in Male Patients: A Case Series and Review of the Literature

2021 ◽  
Vol 8 (Supplement_1) ◽  
pp. S209-S209
Author(s):  
Christine Akamine ◽  
Shahriar Tavakoli-Tabasi ◽  
Andrew Chou ◽  
Daniel M Musher

Abstract Background Introduction: Gardnerella vaginalis is a colonizer of the female genitourinary tract and can cause serious morbidity as a pathogen. It is an uncommon cause of infection in men and bacteremia with this organism is rare. We describe two cases of G. vaginalis bacteremia in male patients. A literature search was performed for cases of G. vaginalis bacteremia in men. A total of 13 patients were identified and discussed. Methods Case 1: A 52-year-old man with diabetes and prior nephrolithiasis presented for dysuria, hematuria, and left sided flank pain. He was febrile and tachycardic with mild left costovertebral angle tenderness, leukocytosis and acute kidney injury. Urinalysis revealed pyuria. Computed tomography of the abdomen and pelvis showed pyelonephritis and a small calculus of the proximal left ureter. He was treated with ceftriaxone and then piperacillin-tazobactam. Aerobic culture of the urine yielded < 10,000 cfu/mL of mixed gram-positive flora. Blood cultures yielded G. vaginalis after 48 hours. He was treated with ciprofloxacin 500 mg orally twice daily for 7 total days and clinically recovered. Case 2: A 61-year-old man with alcohol use disorder and gout, presented with altered mental status. He had leukocytosis and acute kidney injury and was treated with vancomycin and cefepime with clinical improvement. Admission blood cultures demonstrated G. vaginalis in the anaerobic bottle of 1 of 2 cultures, reported 96 hours after collection. Urine culture was negative. The patient was treated with amoxicillin-clavulanate on discharge to complete a 14-day course with clinical resolution. Results see above Gram stain of G. vaginalis on blood culture Conclusion Discussion: G. vaginalis is a facultative anaerobic gram-positive pleomorphic rod, which can be gram variable due to poor staining of the thin peptidoglycan cell wall. Isolation and identification are often delayed. Bacteremia in men is rare but nearly all have originated in the genitourinary tract. The most severe cases of G. vaginalis bacteremia implicate endocarditis, urethral stricture and an empyema as the sources. Collection of blood cultures and speciation are often delayed, ranging from 48 hours to 7 days. Selection and duration of treatment have ranged widely in previously reported cases, likely due to the lack of guidance regarding effective treatment. Disclosures Andrew Chou, MD, bluebird bio (Shareholder)

Nephron ◽  
2013 ◽  
Vol 121 (3-4) ◽  
pp. c159-c164 ◽  
Author(s):  
Nils Heyne ◽  
Martina Guthoff ◽  
Julia Krieger ◽  
Michael Haap ◽  
Hans-Ulrich Häring

2021 ◽  
Vol 118 (37) ◽  
pp. e2104347118
Author(s):  
Ravi Shankar Keshari ◽  
Narcis Ioan Popescu ◽  
Robert Silasi ◽  
Girija Regmi ◽  
Cristina Lupu ◽  
...  

Late-stage anthrax infections are characterized by dysregulated immune responses and hematogenous spread of Bacillus anthracis, leading to extreme bacteremia, sepsis, multiple organ failure, and, ultimately, death. Despite the bacterium being nonhemolytic, some fulminant anthrax patients develop a secondary atypical hemolytic uremic syndrome (aHUS) through unknown mechanisms. We recapitulated the pathology in baboons challenged with cell wall peptidoglycan (PGN), a polymeric, pathogen-associated molecular pattern responsible for the hemostatic dysregulation in anthrax sepsis. Similar to aHUS anthrax patients, PGN induces an initial hematocrit elevation followed by progressive hemolytic anemia and associated renal failure. Etiologically, PGN induces erythrolysis through direct excessive activation of all three complement pathways. Blunting terminal complement activation with a C5 neutralizing peptide prevented the progressive deposition of membrane attack complexes on red blood cells (RBC) and subsequent intravascular hemolysis, heme cytotoxicity, and acute kidney injury. Importantly, C5 neutralization did not prevent immune recognition of PGN and shifted the systemic inflammatory responses, consistent with improved survival in sepsis. Whereas PGN-induced hemostatic dysregulation was unchanged, C5 inhibition augmented fibrinolysis and improved the thromboischemic resolution. Overall, our study identifies PGN-driven complement activation as the pathologic mechanism underlying hemolytic anemia in anthrax and likely other gram-positive infections in which PGN is abundantly represented. Neutralization of terminal complement reactions reduces the hemolytic uremic pathology induced by PGN and could alleviate heme cytotoxicity and its associated kidney failure in gram-positive infections.


Renal Failure ◽  
2019 ◽  
Vol 41 (1) ◽  
pp. 88-97 ◽  
Author(s):  
Seishi Aihara ◽  
Shunsuke Yamada ◽  
Hideaki Oka ◽  
Taro Kamimura ◽  
Toshiaki Nakano ◽  
...  

Author(s):  
Molina U. Patel ◽  
Yuvraj Jadeja ◽  
Niket Patel ◽  
Nayana Patel ◽  
Smruti Vaishnav ◽  
...  

Background: Acute Kidney Injury is a common medical problem affecting approximately 5% of all hospitalized and 30% of critically ill patients. The incidence in obstetric patients ranges from 1 in 2000 to 1 in 25000 pregnancies. In India till date, the impact of AKI on fetomaternal outcome and pertaining therapeutic interventions is only sparsely studied.Methods: It is a retrospective cross-sectional study. All obstetric patients with AKI on dialysis, admitted to Shree Krishna Hospital, a tertiary care hospital in Karamsad village in Gujarat from January 2013 to August 2015. Multivariate statistical analysis of clinical and laboratory parameters was performed using SPSS program to obtain the results.Results: The incidence of dialysis was 1.6%. HELLP syndrome and pre-eclampsia (80%) was found to be the most common etiology of AKI followed by Congestive cardiac failure (34.5%), hemorrhage and sepsis in 30% resp. All patients were admitted to ICU care. No significant difference was found between SAP II and SOFA monitoring system. Mechanical ventilation was done to support 53.3% and inotropic support was needed by 56.7% patients. According to the RIFLE criteria, majority of the patients fall under risk category followed by injury. 18% of the patients developed End Stage Renal Disease.Conclusions: In view of the multifaceted etiologies and complexity of management of AKI, a multi-disciplinary approach involving nephrologist, intensivists, obstetricians and neonatologists is extremely important.


2019 ◽  
Vol 41 (4) ◽  
pp. 534-538 ◽  
Author(s):  
Guilherme Palhares Aversa Santos ◽  
Luis Gustavo Modelli de Andrade ◽  
Mariana Farina Valiatti ◽  
Mariana Moraes Contti ◽  
Hong Si Nga ◽  
...  

ABSTRACT Introduction: The number of incident and prevalent patients on dialysis has increased, as well as the number of candidates for renal transplantation in Brazil, without a proportional increase in the number of organ donors. The use of expanded kidneys, as to renal function, may be an alternative to increase the supply of organs. Objective: to discuss the feasibility of using expanded kidneys for renal function, which are in severe acute renal injury. Methods: All cases of renal transplantation of deceased donors performed at the Hospital das Clínicas de Botucatu of UNESP, from January 2010 to June 2018, totaling 732 cases were evaluated. Cases with final donor creatinine greater than 6 mg/dL were selected. Results: four patients were selected, of whom all donors were in severe acute kidney injury (AKI). These donors presented rhabdomyolysis as a probable cause of severe AKI, were young, with no comorbidities and had decreased urinary volume in the last 24 hours. The clinical evolution of all the recipients was satisfactory, with a glomerular filtration rate after transplantation ranging from 48 to 98 mL/min/1.73 m2. Conclusion: this series of cases shows the possibility of using renal donors in severe AKI, provided the following are respected: donor age, rhabdomyolysis as the cause of AKI, and implantation-favorable biopsy findings. Additional studies with better designs, larger numbers of patients and longer follow-up times are needed.


2021 ◽  
Author(s):  
Khalid Al Sulaiman ◽  
Abdulrahman Alshaya ◽  
Amjad Alsaeed ◽  
Nadiyah Alshehri ◽  
Ramesh Vishwakarma ◽  
...  

Abstract BackgroundVancomycin is a commonly used antibiotic in critically ill patients for various indications. Critical illness imposes pharmacokinetic-pharmacodynamics challenges which makes optimizing vancomycin in this population cumbersome. Data are scarce on the clinical impact of time to therapeutic trough levels of vancomycin in critically ill patients. Objective (s)The aim of this study to evaluate the timing to achieve therapeutic trough level vancomycin on 30-day mortality in critically ill patients.SettingAdult critically ill patients admitted to intensive care units (ICUs) between January 1st, 2017 and December 31st, 2018 at a tertiary teaching hospital.MethodA retrospective cohort study for all adult critically ill patients aged 18 years or older with confirmed gram-positive infection and received vancomycin. We compared early (<48 hours) versus late (≥ 48 hours) attainment of vancomycin therapeutic trough levels. Main outcomesPrimary outcome was the 30-day mortality in critically ill patients. Secondary outcomes were development of resistant organisms, eradicating microorganisms within 4-5 days of vancomycin initiation, vancomycin-induced acute kidney injury (AKI), and ICU LOS. ResultsTwo hundred and nine patients were included. No significant differences between comparative groups in baseline characteristics. Achieving therapeutic levels were associated with better survival at 30 days (OR: 0.48; 95% CI [0.26-0.87]; p<0.01). Additionally, patients who achieved therapeutic levels of vancomycin early were less likely to develop resistant organisms (OR=0.08; 95% CI [0.01-0.59]; p=0.01). Acute kidney injury (AKI) and ICU length of stay (LOS) were not significant between the two groups.ConclusionEarly attainment of vancomycin therapeutic levels was associated with possible survival benefit.


2020 ◽  
Author(s):  
Dawei Wang ◽  
Yimei Yin ◽  
Chang Hu ◽  
Xing Liu ◽  
Xingguo Zhang ◽  
...  

Abstract Background In December 2019, Coronavirus Disease 2019 (COVID-19) outbreak was reported from Wuhan, China. Information on the clinical course and prognosis of COVID-19 was not thoroughly described. We described the clinical courses and prognosis in COVID-19 patients. Methods Retrospective case series of COVID-19 patients from Zhongnan Hospital of Wuhan University in Wuhan, and Xi-shui Hospital, Hubei Province, China, up to February 10, 2020. Epidemiological, demographic and clinical data were collected. Clinical course of survivors and non-survivors were compared. Risk factors for death were analyzed. Results A total of 107 discharged patients with COVID-19 were enrolled. The clinical course of COVID-19 presented as a tri-phasic pattern. Week 1 after illness onset was characterized by fever, cough, dyspnea, lymphopenia and radiological multilobar pulmonary infiltrates. In severe cases, thrombocytopenia, acute kidney injury, acute myocardial injury or adult respiratory distress syndrome were observed. During week 2, in mild cases, fever, cough and systemic symptoms began to resolve and platelet count rose to normal range, but lymphopenia persisted. In severe cases, leukocytosis, neutrophilia and deteriorating multi-organ dysfunction were dominant. By week 3, mild cases had clinically resolved except for lymphopenia. However, severe cases showed persistent lymphopenia, severe acute respiratory dyspnea syndrome , refractory shock, anuric acute kidney injury, coagulopathy, thrombocytopenia and death. Older age and male sex were independent risk factors for poor outcome of the illness. Conclusions A period of 7–13 days after illness onset is the critical stage in COVID-19 course. Age and male gender were independent risk factors for death of COVID-19.


2021 ◽  
Vol 4 (1) ◽  
pp. 193-198
Author(s):  
Rubina Naqvi ◽  
Khawar Abbas ◽  
Syed Fazal Akhtar

We report here, case series of patients with acute kidney injury (AKI) developing in associationwith hemolytic uremic syndrome (HUS). Different causes of HUS and outcome of patients in this group of patients is aimed to be reported. Patients and Methods: subjects for the study reported here comprised of a cohort of 105 patients admitted with the diagnosis of AKI due to HUS. AKI was defined according to RIFLE criteria and HUS on basis of hematological, biochemical and/or histological features. All patients had normal size kidneys on ultrasonography and no previous co- morbidity. Results: One hundred and five patients with AKI due to HUS were brought to this institute from January 2000 - July 2019; among these 76 were females, mean age of these patients was 27.83±10.50 years. Causes of HUS were febrile illness, with or without diarrhea, diarrhea alone, pregnancy related complications and one each from snake bite, HCV infection / IFN therapy and use of combination of drugs. In pregnancy related HUS one patient had HUS during pregnancy while rest were during postpartum. Renal replacement was required in 95.23 % patients. Complete renal recovery was observed in 22 patients, while 15 died during acute phase of illness. CKD-V developed in 24 patients, 41 patients lost long term follow up, but were dialysis free till last follow up. Treatment with plasmapheresis revealed significantly better renal recovery (p value 0.026) in this group of patients. Conclusion: HUS can be severe life threatening disease; AKI with background of HUS may remain irreversible in many of these patients. Plasmapheresis should be offered to patients with established diagnosis of HUS.


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