Gene/Protein Disease Symptom Drug Enzyme Compound
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 23,468 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Carbapenems are a class of antimicrobials structurally related to penicillin. Doripenem, the newest agent in this class, was recently approved by the Food and Drug Administration for the treatment of complicated intra-abdominal infections and complicated urinary tract infections. Its spectrum of activity is similar to that of meropenem and imipenem/cilastatin. Some studies indicate that approximately 29% of carbapenem-resistant Pseudomonas aeruginosa isolates may remain sensitive to doripenem, although the clinical relevance of that finding has not been determined. Clinical studies, which have been published only in abstract form to date, have found doripenem to be similar to comparator agents. The most common adverse effects related to doripenem therapy were headache, nausea, diarrhea, rash, and phlebitis. Doripenem, like the other carbapenems, may also cause seizures. Because of the lack of published data, the lack of clear advantages over meropenem, and the increased cost compared with meropenem, doripenem will not be available for use at Baylor University Medical Center except by infectious diseases specialists.
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PMID:Doripenem (Doribax): the newest addition to the carbapenems. 1862 35

The aims of this study were to assess epidemiological features, clinical outcomes, laboratory findings, causative organisms and treatment approach for continuous ambulatory peritoneal dialysis (CAPD) -related peritonitis cases. A total of 50 patients (35 male, 15 female; age range: 18-83 years, mean age: 49 +/-17 years) with CAPD related peritonitis treated in Infectious Diseases and Clinical Microbiology Department of Ankara Training and Research Hospital between February-July 2006 were enrolled into this study. Demographic characteristics, symptoms, physical examination findings and laboratory parameters of patients were recorded and evaluated at the baseline, 48 hours and at the end of treatment. Fifty six peritonitis episodes occurred during the study period, and overall incidence of peritonitis was calculated as 1.6 episodes/patient-year. The most common presenting symptoms were cloudiness of the peritoneal dialysis fluid (100%), abdominal pain (98%), nausea (74%) and vomiting (54%). Abdominal tenderness and rebaund (100%) were the most common physical examination findings. Increased levels of C-reactive protein, erythrocyte sedimentation rate and procalcitonin were detected in 88%, 94% and 42% of the patients, respectively. The mean white blood cell count of peritoneal dialysate fluids was 905/mm3 (170-17900/mm3) in 56 episodes. In direct microscopic examination of peritoneal fluid samples with Gram stain, positivity was detected in 10 (18%) of the attacks, in which eight yielded gram-positive cocci and two gram-negative bacilli. The rate of culture positivity was 74% in the peritonitis episodes, and no microorganism was isolated from the cultures of 26% of the episodes. The most frequently isolated microorganisms were coagulase-positive staphylococci, followed by Staphylococcus aureus (n:4) and E. coli (n:4) with the rates of 7% of each, Enterococcus spp. (n:3), Klebsiella spp. (n:3) and Pseudomonas spp. (n:3) with the rates of 5% of each, and Streptococcus spp. (n:1), diphtheroid bacillus (n:1) and Candida albicans (n:1) with the rates of 2% of each. Eightyfour percent of patients were successfully treated with intraperitoneal cefazolin and gentamicin empirically. Three of the patient's CAPD therapy was converted to hemodialysis, while two patients have died. As a result, since peritonitis is still the major complication of CAPD despite the technological developments, the informations about causative microorganisms and their antimicrobial susceptibilities would be helpful for the early and accurate treatment of peritonitis.
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PMID:[Evaluation of the epidemiological, clinical and laboratory findings in continuous ambulatory peritoneal dialysis related peritonitis attacks]. 1869 23

Human monocytic ehrlichiosis (HME), caused by Ehrlichia chaffeensis, was first recognized in 1986. Infection with this pathogen can be fatal in immune compromised and elderly humans. E. chaffeensis can also infect dogs and several wild animals. The clinical symptoms of HME include fever, headache, malaise, myalgia, confusion, rash, lymphadenopathy, and nausea. White-tailed deer serve as the major reservoir host for the natural maintenance of E. chaffeensis. E. canis is primarily responsible for the canine monocytic ehrlichiosis and is endemic throughout the world. It has a significant impact on the health of dogs. The isolation and growth of Ehrlichia species from vertebrate host samples is difficult and time consuming. In this unit, methods to recover E. chaffeensis and E. canis from infected blood samples collected from dogs, deer, and human patients are described. PCR and RT-PCR methods for sensitive detection of Ehrlichia infection are also discussed.
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PMID:Isolation and molecular detection of Ehrlichia from vertebrate animals. 1877 May 38

Strongyloides stercoralis, a nematode parasite, is endemic in tropical and subtropical regions. Infection usually remains asymptomatic, but in immunocompromised hosts hyperinfection and dissemination can occur, which has a high mortality. Early detection of S. stercoralis may alter the fatal course of infection. We present our experience of five patients with S. stercoralis hyperinfection diagnosed by endoscopic duodenal and jejunal biopsy in northern India. A predisposing factor was present in all patients in the form of corticosteroid intake, chronic liver disease and panhypogammaglobulinaemia. Common gastrointestinal symptoms were abdominal pain, diarrhoea, gastrointestinal bleeding, nausea, vomiting and weight loss with evidence of malabsorption. The initial stool examination and peripheral blood eosinophil count were normal in all patients. Strongyloidiasis was not suspected clinically in any patient and the diagnosis was achieved on endoscopic biopsy. Three of the patients with disseminated disease developed fatal Gram-negative systemic infection. This study highlights the importance of considering strongyloidiasis in all patients on immunosuppressive drug therapy who present with gastrointestinal symptoms so that the patient can be appropriately investigated and promptly treated. In endemic regions, patients with systemic Gram-negative bacterial infections without an obvious cause should be tested for strongyloidiasis.
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PMID:Intestinal strongyloidiasis: a diagnosis frequently missed in the tropics. 1880 29

Rhabdomyolysis is associated with infectious diseases in approximately 5% of cases and acute kidney injury occurs in 33-50% of cases. Gangrenous myositis is a deep seated infection of the subcutaneous and muscular tissues. We report the case of an 18 year-old man who was admitted to the emergency room with leg pain, fever, nausea, vomiting and oliguria. Physical examination showed moderate dehydration, peripheral cyanosis and skin necrosis with severe myalgia and no subcutaneous gas. Laboratory findings at admission were: serum urea 111 mg/dL, creatinine 1.3 mg/dL, potassium 6.3 mEq/L, creatine kinase (CK) 112,452 IU/L, aspartate amino transaminase (AST) 1116 IU/L, alanine amino transaminase (ALT) 1841 IU/L, pH 7.31, bicarbonate (HCO3) 11 mEq/L and lactate 4.3 mmol/L. Emergency hemodyalisis was started, and antibiotics were given due to high suspicion for bacterial infection. The patient developed respiratory insufficiency and septic shock needing mechanical ventilation and vasoactive drugs. He presented spontaneous gangrenous myositis in both legs and in his left arm. After 26 sessions of hemodialysis, partial recovery of renal function was observed. He was discharged from the ICU after 38 days, still with leg pain. Acute kidney injury due to rhabdomyolysis should be considered as a possible complication of gangrenous myositis.
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PMID:Acute kidney injury due to rhabdomyolysis-associated gangrenous myositis. 1926 Mar 87

Salmonellosis is a bacterial disease that causes acute gastroenteritis, with sudden onset of headache, abdominal pain, diarrhoea, nausea and sometimes vomiting. Infection is often associated with the consumption of foods prepared using raw eggs. During July to August 2008 an outbreak at an aged care facility (ACF) in New South Wales was confirmed as Salmonella Typhimurium phage type 44 (Stm 44) in eight of 45 residents. Two additional probable cases also occurred. Cases were located in each unit of the ACF and for 5 cases, onset of diarrhoea was between 45 to 64 hours (median of 46 hours) after consumption of a dessert containing raw eggs. Onset for 5 further cases occurred up to 9 days after this meal. Eggs were supplied to the ACF from a local farm. Stm 44 was detected on an egg in an unopened box at the ACF from this supplier. The raw-egg dessert was epidemiologically implicated as the likely source of the Salmonella and delayed onset cases may have resulted from ingestion of a smaller dose of Salmonella, or ongoing transmission through cross-contamination of kitchen machinery or surfaces. This outbreak demonstrates that inadequate cooking of eggs continues to pose a risk for Salmonella infection in settings with vulnerable populations. The findings of the investigation provide support for the importance of food safety regulations and demand further advocacy for measures to reduce the risks associated with the distribution, storage and preparation of shell eggs.
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PMID:Egg-associated Salmonella outbreak in an aged care facility, New South Wales, 2008. 1961 72

Doxycycline is a semi-synthetic derivative of tetracycline family exhibiting an interesting pharmacokinetic profile since no dosage adjustment is required for renal failure. Doxycycline displays good bacteriostatic activity against most bacteria as well as anti-inflammatory activity. Bacterial resistance is mainly acquired. Many infectious diseases can be treated with doxycycline including brucellosis, pasteurellosis, borreliosis, rickettsioses, trepanomatosis, cholera, leptospirosis, Q fever, pulmonary and urinary infections due to Chlamydia and Mycoplasma, gonococcia, and anthrax. Doxycycline also prevents development of Plasmodium in the blood and is thus useful for malaria prophylaxis. In dermatology, doxycycline is indicated for acnea and rosacea. Doxycycline is well tolerated. The most frequent adverse effects are stomach upset, nausea, and diarrhea, but new formulations that reduce these manifestations are now available. Phototoxicity is dose-dependant and other side effects are rare. Like other tetracylines, doxycycline is contraindicated in children, pregnant women after the second trimester, and breast-feeding mothers.
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PMID:[Doxycycline]. 2009 67

Infection with Helicobacter pylori (Hp) is common in children from developing countries, particularly in adolescents. It is associated with chronic gastritis and stomach cancer. A characteristic endoscopic finding in children is nodular gastritis. The aim of this study was to assess and confirm association of nodular gastritis, mainly of anthral mucosa, with Hp infection in children. A total of 195 children 1 to 15 years of age were studied during a two-year period (2004-2006). There were 107 girls (54.9%) and 88 boys (45.1%). The patients presented with recurrent epigastric pain, nausea, vomiting, heartburn, sour mouth, regurgitation, bloating or other dyspeptic symptoms. The complaints were recorded by a structured interview with parents and older children. Upper endoscopy was performed in all children. The presence and degree of mucosal granulation was recorded and two samples of mucousa from the antrum and the small curvature were taken. Biopsy material was processed for histology as usual, stained with 2% Giemsa and examined by a pathologist for the presence of Hp. A total of 40 of 195 children (20.5%) have had positive Hp infection and a 27 of 40 (67.5%) have had a granular aspect of anthral mucosa at the endoscopy. Sensitivity of the finding was 87.5%, specificity 93.5%, positive predictive value 73%, negative predictive value 91.8%, p < 0.05. Average age of those patients was 11.5 +/- 3.0 years. Subjective symptoms of dyspepsia (as recorded by the questionnaire) were often associated with Hp positivity, but short of statistical significance. No difference between boys and girls was noted. Endoscopic finding of nodular gastritis, especially in areas of antrum and small curvature, showed a highly positive correlation with Hp infection.
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PMID:Endoscopic features of gastric mucosa in children having pathohistological evidence of Helicobacter pylori infection. 2012 Apr

A 70 year-old female patient presented with fever, nausea and dyspnea. She had been receiving immunosuppressive therapy with methotrexate and prednisone for large-vessel vasculitis. The patient was shown to have coexistent Pneumocystis jiroveci pneumonia and primary cytomegalovirus (CMV) infection with presumed CMV pneumonitis and colitis. To our knowledge, this is the first case report on the occurrence of combined primary cytomegalovirus and Pneumocystis jiroveci infection in a patient with vasculitis. It illustrates the importance of being aware of the possibility of combined opportunistic infections in patients with rheumatologic diseases.
Infection 2010 Aug
PMID:Primary cytomegalovirus infection with accompanying Pneumocystis jiroveci pneumonia in a patient with large-vessel vasculitis. 2039 81

The aim of this study was to examine differences in presentation and outcome in pancreaticoduodenectomy for benign and malignant processes. Pancreaticoduodenectomies performed for pancreatic adenocarcinoma or chronic pancreatitis from 2000 to 2008 were identified from a prospectively maintained database and compared. Pancreaticoduodenectomy revealed adenocarcinoma in 220 patients and benign chronic pancreatitis in 40 patients. Patients with adenocarcinoma were older (64 +/- 10.6 years and 47.6 +/- 10.8 years, respectively, P < 0.001) and more likely to demonstrate jaundice (92 and 13%, respectively, P < 0.001), weight loss (76 and 58%, respectively, P = 0.01), and discrete masses (72 and 55%, respectively, P = 0.03). By contrast, chronic pancreatitis presented with increased pain (98 and 49%, respectively, P < 0.001) and nausea (68 and 32%, respectively, P < 0.001). Patients with pancreatitis experienced reduced blood loss (227 +/- 156 and 571 +/- 626 mL, respectively, P = 0.05) and transfusion (10 and 42%, respectively, P < 0.001). Postoperatively, the groups were similar in risk of fistula, gastroparesis, overall morbidity, and mortality. Infection rates were higher in adenocarcinoma (42 and 20%, respectively, P = 0.01). Forty-nine patients underwent pancreaticoduodenectomy for presumptive chronic pancreatitis, of which nine had adenocarcinoma; logistic regression identified increasing age and jaundice as predictors of malignancy. Compared with patients with adenocarcinoma, those who undergo pancreaticoduodenectomy for chronic pancreatitis are less likely to require preoperative biliary drainage and perioperative transfusion. Infectious complication risk is higher in patients with adenocarcinoma. Increased age and jaundice should raise suspicion of cancer in patients with chronic pancreatitis undergoing evaluation for surgical treatment.
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PMID:Differences in presentation and perioperative outcome after pancreaticoduodenectomy for cancer and benign pancreatitis. 2058 16


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