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Query: UMLS:C0011849 (diabetes)
 277,896 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Pre-existing renal insufficiency serves as a common risk factor in the development of acute renal failure. Acute renal failure is a common finding in patients with bacteremia and is associated with poor prognosis. A total of 2722 consecutive patients 18 years old or older, fulfilling strike criteria of bacteremia or fungemia were prospectively evaluated to establish the prognostic importance of pre-existing renal insufficiency in bacteremic patients. They were classified according to serum creatinine levels upon admission into three groups. 915 patients had normal creatinine levels (< or = 1.0 mg/dL), 1528 had mild to moderate renal failure (creatinine 1.1-3 mg/dL) and 279 patients had severe renal failure upon admission (creatinine > 3.0 mg/dL). Mild to severe renal failure upon admission was associated with old age, male gender, diabetes mellitus, ischemic heat disease, hypertension and congestive heart failure. The serum albumin in patients with severe renal failure was significantly low, with a mean of 2-9 mg/dL. Urinary tract infections were more prevalent in patients with mild to severe renal failure, while intravenous line infections, bacterial endocarditis and soft and skin tissue infections were more common in patients with normal renal function. In the 279 patients with severe renal failure the mortality rate was significantly higher (50%) compared to patents with mild to moderate renal failure and patients with normal renal function (21% and 26% respectively, p = 0.0001). Multiple regression analysis revealed that pre-existing serum creatinine > 3 mg/dL was significantly associated with death attributable to bacteremia (OR = 1.7, 95% CI 1.0-2.7). In conclusion, adult bacteremic patients with pre-existing serum creatinine above 3 mg/dL upon admission are at increased risk of mortality due to bacteremia than patients with normal or mild to moderate renal failure.
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PMID:Prediction of mortality in patients with bacteremia: the importance of pre-existing renal insufficiency. 1071 86

Septic arthritis has shown no change in incidence, and despite advances in antimicrobial therapy is often responsible for residual functional impairment and for a high mortality rate among debilitated patients. Risk factors include older age, diabetes mellitus, rheumatoid arthritis, immunodeficiency, and a preexisting joint disease (e.g., rheumatoid arthritis) to which the symptoms of septic arthritis are sometimes ascribed. Staphylococcus aureus contributes over two-thirds of identified organisms; a range of streptococci and gram-negative bacilli are next in frequency. The most common site is the knee, followed by the hip and shoulder. Over 10% of patients have polyarticular involvement reflecting bacteremia and diminished resistance to infection; (over 50% of polyarticular forms occur in rheumatoid arthritis patients). Prosthetic joint infection is becoming increasingly common; chronic forms due to intraoperative contamination and resulting in septic loosening should be distinguished from acute hematogenous infection in which emergency treatment can allow to salvage the prosthesis. Demonstration of the organism in the joint is the key to the diagnosis. Joint aspiration should be performed on an emergency basis, if needed after identification of radiographic landmarks or under ultrasonographic guidance. Seeding the fluid on blood culture flasks immediately after aspiration increases the yield. Antibiotics should be started as soon as the microbiological specimens have been collected. When aspiration is difficult (hip) or inadequate, arthroscopic drainage usually makes arthrotomy unnecessary. Early antiinflammatory therapy (nonsteroidal antiinflammatory drugs, systemic or local glucocorticoids, anticytokines, and antiinflammatory cytokines) are being considered as tools for limiting joint damage; their efficacy and safety will first have to be established in animal studies.
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PMID:Pyogenic arthritis in adults. 1077 64

Recently, it has been recognized that oral infection, especially periodontitis, may affect the course and pathogenesis of a number of systemic diseases, such as cardiovascular disease, bacterial pneumonia, diabetes mellitus, and low birth weight. The purpose of this review is to evaluate the current status of oral infections, especially periodontitis, as a causal factor for systemic diseases. Three mechanisms or pathways linking oral infections to secondary systemic effects have been proposed: (i) metastatic spread of infection from the oral cavity as a result of transient bacteremia, (ii) metastatic injury from the effects of circulating oral microbial toxins, and (iii) metastatic inflammation caused by immunological injury induced by oral microorganisms. Periodontitis as a major oral infection may affect the host's susceptibility to systemic disease in three ways: by shared risk factors; subgingival biofilms acting as reservoirs of gram-negative bacteria; and the periodontium acting as a reservoir of inflammatory mediators. Proposed evidence and mechanisms of the above odontogenic systemic diseases are given.
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PMID:Systemic diseases caused by oral infection. 1102 56

Transuretheral resection of prostate (TURP) is a common operation in most hospitals. The patients are elderly and usually have concomitant diseases such as diabetes, hypertension, cardiac and respiratory ailments that increase their perioperative risk. Perioperative morbidity and mortality approaches 20% and 1% respectively. Regional anesthesia, notably spinal anesthesia, offers many advantages over general anesthesia for TURP with some evidence of lower morbidity even though similar mortality rates and overall outcomes are reported for both groups. Procedure-specific complications include TURP syndrome, bladder perforation, primary fibrinolysis, bacteremia, and septicemia. All are associated with significant morbidity and mortality but amenable to early and aggressive therapeutic intervention.
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PMID:Transurethral resection of the prostate. 1109 96

Pneumococcal infection is responsible for a wide range of diseases, including upper respiratory tract infections such as otitis media and sinusitis, pneumonia and other lower respiratory infections, and the disseminated infections of bacteremia and meningitis. Invasive pneumococcal disease and pneumonia, which represent the threat of serious morbidity and mortality, occur most frequently in certain age groups, selected ethnic populations, and individuals with chronic medical diseases or immunosuppression. There are two pneumococcal vaccines currently available, Pneumovax 23 and Pnu-Immune 23. Indications for vaccination include medical conditions that make individuals susceptible to invasive pneumococcal disease (eg, chronic cardiac, pulmonary, or hepatic disease; sickle-cell disease; insulin-dependent diabetes; immunosuppressive disorders; age >65 years; or history of splenectomy). Approximately 85%-90% of the pneumococcal serotypes that cause invasive infection in the United States are represented in the pneumococcal vaccine. Pneumococcal vaccines with improved immunogenicity and potentially improved efficacy against this deadly pathogen are currently under investigation. Millions of individuals at high risk for pneumococcal disease in the United States have not yet received the vaccine. After invasive infection, mortality is high, with an estimated 40,000 deaths annually in this country. With the pneumococcal vaccine's safety profile and proven efficacy against invasive disease in appropriate populations, it is imperative that the medical community improve its effort to vaccinate those individuals considered to be at risk for life-threatening pneumococcal disease.
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PMID:Pneumococcal vaccine. 1116 53

Nontyphoidal Salmonella are important foodborne pathogens that cause gastroenteritis, bacteremia, and subsequent focal infection. These hardy bacteria are especially problematic in a wide variety of immunocompromised individuals, including (but not limited to) patients with malignancy, human immunodeficiency virus, or diabetes, and those receiving corticosteroid therapy or treatment with other immunotherapy agents. Endovascular infection and deep bone or visceral abscesses are important complications that may be difficult to treat. The site of infection and the individual's immune status influence treatment choices. The harbingers of resistance of nontyphoidal Salmonella to both fluoroquinolones and third-generation cephalosporins have been reported recently, and such resistance is likely to be a therapeutic problem in the future. The current report presents a brief overview of the problems and trends associated with salmonellosis that are of interest to the infectious diseases clinician.
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PMID:Nontyphoidal salmonellosis. 1117 Sep 16

Urinary tract (UTI) is a major disease burden for many patients with diabetes. Asymptomatic bacteriuria is several-fold more common among women and acute plyelonephritis is five to ten times more common in both sexes. The complications of pyelonephritis are also more common in patients with diabetes. These complications include acute papillary necrosis, emphysematous pyelonephritis, and bacteremia with metastatic localization to other sites. The management of urinary infection in patients with diabetes is essentially the same as patients without diabetes. Most infections should be managed as uncomplicated except when they occur in a milieu with obstruction or other factors that merit a diagnosis of complicated UTI. Strategies to prevent these infections and reduce morbidity should be a priority for research.
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PMID:Urinary tract infections in adults with diabetes. 1129 10

Focal extraintestinal infections from nontyphoid salmonellae have increased in incidence during the past decade. Typically, they are manifested as either osteomyelitis or meningitis as a complication of either bacteremia or enteric fever. Isolated salmonellal soft tissue infections, however, are rare and occur mostly in adults with chronic underlying conditions such as human immunodeficiency virus (HIV) infection, diabetes mellitus, and cell-mediated immunity defects. We report a case of an otherwise healthy adolescent who was exposed to a guinea pig with a skin mass. She subsequently had an isolated soft tissue infection with cartilaginous involvement of the anterior chest wall due to Salmonella enterica serogroup C1 (bioserotype oranienburg).
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PMID:Soft tissue and cartilage infection by Salmonella oranienburg in a healthy girl. 1133 14

Urinary tract infection (UTI) is the most common infection and the first cause of bacteremia in the elderly. With increasing age the female to male ratio decreases and UTI becomes almost half as frequent in men compared to women. Significant bacteriuria exists in about 40% of institutionalized women. But asymptomatic bacteriuria is neither the cause of morbidity nor associated with a higher mortality rate and thus should not be treated. Symptomatic infection in women without complicating factors is most often caused by E. coli and may be treated with 3 or 7 day regimens of trimethoprim-sulfamethoxazole or fluoroquinolones (FQ). In the presence of symptoms of upper tract infection or complicating factors, urine culture is mandatory and will detect multiple and/or resistant microorganisms in most cases. Empirical treatment has to be adapted according to the sensitivity once established and should be administered for at least 10 days. Most of the patients above 65 and virtually all patients above 80 present either with general debility or diabetes or other factors such as bladder outflow obstruction or abnormal bladder function and have to be considered as presenting with complicated UTI. Indwelling catheters should be removed if possible, otherwise be changed.
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PMID:Management of urinary tract infections in the elderly. 1139 8

Bacteremic episodes caused by anaerobes are unusual and the clinical importance of Clostridium bacteremia remains unclear. This retrospective case study examined the risk factors among a group of patients who developed Clostridium bacteremia. Medical records from 73 episodes of clostridial bacteremia in 73 patients treated in a medical center during an 11-year period were reviewed. Of all episodes, 96% were community-acquired. Twelve percent of patients had polymicrobial bacteremia, with Escherichia coli being the most common accompanying bacterium. Diabetes mellitus (26%) and liver cirrhosis (25%) were the most common underlying diseases. The most common etiological organisms were Clostridium perfringens (77%), Clostridium bifermentans (9%), and Clostridium septicum (4%). Only one patient with C. septicum bacteremia had a histocytotoxic infection, which was a fatal gas gangrene. Univariate analysis of data from patients with monomicrobial Clostridium bacteremia revealed that younger age (age < 65 years), underlying liver cirrhosis, and presence of septic shock at initial presentation were associated with fatality; but only the latter two variables were independently associated with fatality in multivariate logistic regression analysis. Appropriate antimicrobial therapy for monomicrobial Clostridium bacteremia did not significantly affect clinical outcomes, which might suggest that Clostridium species in the bloodstream can be regarded as merely contaminants or transient bacteremia. This suggestion was not supported by the finding that seven of 13 cirrhotic patients with monomicrobial Clostridium bacteremia died of sepsis, of whom six had not receive appropriate antimicrobial therapy. Therefore, the clinical importance of Clostridium bacteremia should be interpreted with caution because of its high risk of mortality in susceptible hosts, particularly cirrhotic patients, who do not receive appropriate therapy timely.
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PMID:Clostridium bacteremia: emphasis on the poor prognosis in cirrhotic patients. 1145 56


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