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 23,843 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

From January 1996 to April 2002, a total of 248 patients with pyogenic liver abscess were enrolled in this study. Abscesses caused by Klebsiella pneumoniae accounted for 69% (171) of cases. Abscesses caused by K. pneumoniae were more strongly associated with diabetes mellitus or impaired fasting glucose than liver abscesses caused by non-K. pneumoniae (70.2% vs 32.5%). Solitary abscess and monomicrobial isolates were more frequent in the K. pneumoniae group than that in the non-K. pneumoniae group. A total of 42 patients were treated with antibiotics alone. Antibiotics treatment was combined with other procedures, including single aspiration in 23 patients, percutaneous drainage in 176 and surgical drainage in 7. A higher incidence of metastatic infections occurred in the K. pneumoniae group than in the non-K. pneumoniae group (14.6% vs 3.8%). By contrast, the mortality rate of the K. pneumoniae group was lower than that of non-K. pneumoniae group (4.1% vs 20.8%). There was no significant difference in the relapse rate between these 2 groups (6.5% vs 6.4%). We also found that the presence of respiratory symptoms (including cough, dyspnea, or chest distress), size of abscess > or =5 cm in diameter and non-K. pneumoniae pathogens were significant prognostic factors for mortality.
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PMID:Comparison of pyogenic liver abscess caused by non-Klebsiella pneumoniae and Klebsiella pneumoniae. 1522 Oct 38

Severe and resistant hypoglycemia occurred in two patients with diabetes mellitus who were receiving concomitant gatifloxacin and glyburide. An 84-year-old woman treated with glyburide for type 2 diabetes mellitus experienced, for the first time, a severe episode of hypoglycemia after 2 days of gatifloxacin 400 mg/day for nonproductive cough. Her blood glucose level on hospital admission was 28 mg/dl. Gatifloxacin and glyburide were discontinued, and the patient was treated with intravenous dextrose infused over 36 hours. Glyburide was restarted before her discharge, with no recurrence of hypoglycemia. A 79-year-old man with type 2 diabetes mellitus treated with glyburide was prescribed gatifloxacin 400 mg/day for pneumonia. After 1 day of therapy, the patient was admitted to the emergency department in a coma. His blood glucose level was 18 mg/dl. Despite discontinuation of gatifloxacin and oral hypoglycemic therapy, hypoglycemia was reversed only after administration of multiple boluses of intravenous dextrose, followed by intravenous dextrose infused over 48 hours. On hospital day 7, gliclazide and levofloxacin were started; the patient experienced no recurrence of hypoglycemia and was discharged on day 10. Several cases of severe and resistant hypoglycemia associated with gatifloxacin therapy have been reported in the recent literature. Although the exact mechanism is not fully understood, it may be linked to a gatifloxacin-induced closing of the adenosine 5'-triphosphate-sensitive potassium channels in the pancreatic beta cells, leading to insulin secretion. The onset of hypoglycemia in relation to the start of gatifloxacin suggests that the drug precipitated this adverse event. Patients receiving oral hypoglycemic agents are at greater risk of experiencing gatifloxacin-induced hypoglycemia than patients not receiving these agents. Clinicians should be aware of this potentially life-threatening adverse event and monitor blood glucose levels in all patients receiving concomitant oral hypoglycemic agents and gatifloxacin.
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PMID:Severe and resistant hypoglycemia associated with concomitant gatifloxacin and glyburide therapy. 1530 56

Diabetic sensory neuropathy is an affliction that decreases sensory perception in a number of organ systems. Although little is known of its pulmonary effects certain diabetic patients have reduced airway reactivity to cold air and elevated cough threshold to irritant inhalation, reflexes reported to be mediated by pulmonary C-fibers. Therefore we studied the effects the selective C-fiber activator capsaicin (0.01% aerosol, 30 s) on variables of ventilation using a whole-body plethysmograph in age-matched rats treated with streptozotocin (STZ) or its vehicle at 6 and 12 weeks after treatment. Body weight increased and plasma glucose and glycosylated hemoglobin were stable in vehicle-treated rats. In STZ-treated rats body weight decreased and plasma glucose and glycosylated hemoglobin increased. Capsaicin challenge decreased tidal volume, respiratory rate and therefore minute ventilation in non-treated and vehicle-treated rats. However capsaicin challenge increased tidal volume thereby altering minute ventilation in STZ-treated rats. Specific airway resistance increased in both groups after capsaicin challenge. Changes in ventilation in response to capsaicin challenge in STZ-treated rats may involve C-fiber sensory neuropathy.
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PMID:Depressed ventilatory reflexes after capsaicin challenge in streptozotocin-treated rats. 1531 54

We report a case of sphenoid sinusitis which could be diagnosed by orbital CT after detecting Strepotococcus pneumoniae from blood culture. A previously healthy 47 year-old Japanese male was admitted to our hospital with severe left-sided headache of 2 days duration. From 9 days before hospitalization (1st day), the patient complained of cough and sputum. On physical examination, his neck was supple and his temperature was 38.3 degrees C. The rest of the examination was normal. A chest radiograph, sinus radiograph, and head computed tomographic (CT) scan without contrast material disclosed no abnormalities. Lumbar puncture was done and cerebrospinal fluid was clear and cell counts and the levels of glucose and protein were normal. The peripheral white blood cell count was 14,400/fl, and the C-reactive protein level was 9.6 mg/dl. After blood, urine, pharyngeal mucus and cerebrospinal fluid cultures were obtained, empirical antibiotic therapy with 2 gms of piperacillin twice daily was begun. He complained sever left-sided retro-orbital headahe on the next day too. The lumbar puncture and head CT scan with contrast material was done again but gave no diagnostic clues. The examinations by the otolaryngologist, ophthalmologist and dentist found no abnormal findings. On the 3rd hospitalized day, Strepotococcus pneumoniae was detected from the blood culture taken on the 1st hospitalized day. A CT scan focused on orbita was done and revealed a low density area of the left sphenoid sinus. The dose of piperacillin was increased to 4 gms twice daily and continued for 24 days. The patient's headache improved and piperacillin was changed to oral levofloxacin 100 mg, three times daily on the 26th day. The medication was stopped on the 73th day. Isolated sphenoid sinusitis is rare, but crtitical complications such as cranial nerve involvement, brain abscess, and bacterial meningitis may happen. It is necessary to also think of sphenoid sinusitis in practices of patients with severe headache.
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PMID:[A case of sphenoid sinusitis which could be diagnosed by orbital computed tomography after detected Strepotococcus pneumoniae from blood culture]. 1597 60

This is the first reported case of lymphoproliferative disease presenting with adrenal insufficiency after liver transplantation. A 38-year-old white man was admitted 8 months after transplantation for cryptogenic cirrhosis with fever (38-39 degrees C), chills, cough, and dyspnea. His blood pressure was 100/70 mm Hg, there was pallor of the conjunctiva, and a lymph node was palpable in the left groin. Laboratory analyses revealed the following values: serum sodium concentration (112 mmol/L), potassium (5.4 mmol/L), hemoglobin (7.8 g/L), white blood cell count (7.7 x 10(9)/L), glucose 3.9 (mmol/L), and mildly elevated liver functions. Abdominal ultrasound showed multiple hypoechoic solid-appearing lesions throughout the liver and spleen. Results of a biopsy specimen of the groin node confirmed polymorphic B-cell lymphoma. A negative Epstein- Barr virus screen before transplant became positive. The patient's fever increased to 40 degrees C. He subsequently developed sepsis and later, multiple organ failure. Autopsy confirmed extensive abdominal disease. The adrenal glands had been completely replaced by the tumor. Primary Epstein-Barr virus infection is associated with posttransplant lymphoproliferative disease. Replacement of the adrenal glands with a tumor produces a clinical picture of adrenal insufficiency.
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PMID:Posttransplant lymphoproliferative disease presenting as adrenal insufficiency: case report. 1598 81

The group of children with the highest mortality from pneumonia is the group aged 8 weeks and younger. This group of infants is more likely to present with non-specific signs of disease, and the pneumonia is caused by a wider spectrum of organisms. For these reasons, infants aged < or = 8 weeks have to be carefully assessed, taking into account the characteristics peculiar to this age. Due to the seriousness of the pneumonia, they are only classified into three categories: very severe pneumonia, severe pneumonia and cough or cold. All infants aged < or = 8 weeks diagnosed with severe or very severe pneumonia must be hospitalised, as they require parenteral antibiotics for at least 8 days and need careful monitoring. The monitoring needs to be adapted, as they are more likely to have problems with body temperature and serum glucose control. Careful plans have to be formulated to ensure that these infants recover fully and are integrated into the well baby clinics. In the triage of sick children, it is those aged < or = 8 weeks who should receive the most urgent attention.
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PMID:Management of pneumonia in the child aged 0 to 8 weeks. 1622 18

A unique case of HAPE precipitating diabetic ketoacidosis in a previously undiagnosed Type 2 diabetic is reported. A 39-year-old male, previously well, was admitted at a hospital situated at a height of 3500 m with complaints of increasing breathlessness on effort, cough, and fever of short duration, 5 days after high altitude reascent. Examination at admission revealed a febrile (38 degrees C) patient with tachycardia (104/min), SaO2 was 82% (on supplemental oxygen), chest examination revealed bilateral crackles in all lung fields, and chest radiograph demonstrated bilateral fluffy heterogeneous opacities in all zones. He was diagnosed as suffering from high altitude pulmonary edema. The patient did not show adequate improvement despite conventional treatment for HAPE with supplemental oxygen and rest. Investigations revealed leucocytosis, and urinalysis revealed glycosuria and ketonuria. Subsequent arterial blood gas analysis revealed that acidemia and serum glucose levels were raised. He was thereafter managed as for HAPE and DKA and recovered in 2 weeks. The patient has been on regular follow-up with satisfactory glycemic control with oral hypoglycemic agents.
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PMID:Diabetic ketoacidosis in an undiagnosed diabetic precipitated by high altitude pulmonary edema. 1654 71

(1) The standard treatment for type 1 diabetes is intensive insulin therapy, with at least 3 daily subcutaneous injections. Insulin is sometimes useful in type 2 diabetes, in which case the first-line treatment is an injection of isophane insulin at bedtime, in addition to ongoing oral antidiabetic therapy. (2) Pfizer has been granted marketing authorization in the EU for a powdered insulin product for pulmonary inhalation, for the treatment of adults with type 1 or type 2 diabetes. Two dose strengths are available (1 and 3 mg). (3) When inhaled, the insulin powder acts as rapidly as subcutaneous lispro insulin and lasts as long as a standard insulin injection. (4) Inhalation of 1 mg of insulin powder has similar glucose-lowering effects as 3 units of subcutaneous insulin, but inhalation of 3 mg is comparable to 8 units rather than 9 units of injected insulin. Three inhalations of 1 mg each have more glucose-lowering potency than a single inhalation of 3 mg. (5) None of the clinical trials published thus far have assessed the effects of inhaled insulin on clinical complications of diabetes. (6) In patients with type 1 diabetes, 7 randomised trials have compared inhaled insulin plus 1 or 2 subcutaneous injections of long-acting insulin with standard or intensive insulin therapy. They failed to show that intensive insulin therapy consisting of 3 insulin inhalations plus 1 or 2 injections of long-acting insulin reduced the HbA1c concentration or the frequency of hypoglycaemia more effectively than standard insulin therapy consisting of 2 daily subcutaneous insulin injections. (7) In type 2 diabetes, the addition of inhaled insulin has not been compared with the addition of injected insulin in patients whose glycaemia is not controlled by oral antidiabetic therapy. (8) In type 2 diabetes, 3 randomised trials have compared intensive insulin therapy based on inhaled insulin to subcutaneous insulin (2 to 4 daily injections), without oral antidiabetic drugs. The results suggest that glycaemic control is similar with both treatments. (9) The adverse effects of inhaled insulin have been assessed in fewer than 4000 patients participating in clinical trials, fewer than 600 of whom were treated for more than a year. During treatment lasting a few months, the most frequent short-term adverse effects (other than hypoglycaemia) seem to be mild respiratory adverse effects (cough, upper airway infections, etc.). (10) Treatment with inhaled insulin causes a gradual reduction in the peak expiratory flow rate (not convincingly shown to be reversible after the end of treatment) as well as a high incidence of anti-insulin antibodies. The possible long-term clinical consequences of these changes are unknown. The results of planned, long-term comparative trials should be available in 2014-2016. (11) The assessment of inhaled insulin in patients with respiratory disorders is inadequate. The effect of acute respiratory tract infections on the efficacy of inhaled insulin has not been adequately assessed. (12) Smoking (active or passive) and salbutamol, to a lesser extent, have important effects on the efficacy of inhaled insulin. (13) The insulin powder is very sensitive to high humidity, which can occur under normal conditions, leading to a risk of under-dosing. (14) The inhalation device is much larger than an injector pen. It does not permit precise insulin dose adjustment and delivers a maximum of 8 units per inhalation. (15) In practice, the many unknowns concerning the adverse effects of long-term treatment with inhaled insulin powder will probably not be resolved before 2016. In the meantime, subcutaneous injection remains the standard method of insulin delivery.
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PMID:Inhaled human insulin: new drug. No short-term advantages, too many unknowns in the long term. 1716 35

Severe community-acquired pneumonia (CAP) requiring admission to an intensive care unit (ICU) has been inadequately studied. We compared characteristics and outcomes of patients with CAP who were admitted to the ICU with those of patients managed on the ward. Of the 3675 patients hospitalized with CAP, 374 (10%) were admitted to the ICU. The main reason for ICU admission was respiratory failure requiring intubation and ventilation (n = 303, 81%), although this indication decreased with increasing age (p < 0.05 for trend). Most patients (62%) required mechanical ventilation for 3 days or less. The following factors were predictive of ICU admission on multivariable analysis: younger age, smoker, limitation of functional status, absence of cough or pleurisy, presence of chronic obstructive pulmonary disease, substance abuse, elevated serum creatinine, abnormal serum glucose concentration, and a respiratory rate of <16 or >24 breaths per minute. Patients with low Pneumonia Severity Index scores and low CURB-65 scores were admitted to the ICU based on clinical judgment that appeared to supersede objective scoring. Severe CAP requiring admission to the ICU is common, and the decision about which patients to admit often requires clinical judgment that in many cases appears at odds with various validated pneumonia severity scoring systems.
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PMID:Community-acquired pneumonia requiring admission to an intensive care unit: a descriptive study. 1743 90

We report on the case of a 60-year-old woman with complaints of fatigue, coughing, anorexia, atypical chest pain, recurrent fever, and also ear pain and hearing loss. A test for anti-neutrophil cytoplasmic antibody (ANCA) was myeloperoxidase positive with p-ANCA specificity. Laboratory acute phase parameters were increased. A 2-deoxy-2-[(18)F]fluoro-D: -glucose positron emission tomography/computed tomography investigation showed pathological uptake in the aorta ascendens, with no other involvement of the large vessels. After therapy with methylprednisolon intravenously and later prednisolon orally with methothrexate, her general condition and hearing loss improved both subjectively and objectively. "Atypical" Cogan's syndrome was diagnosed on the basis of sensorineural deafness with improvement on steroids and large-vessel vasculitis of the aortic arch.
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PMID:The role of PET/CT in Cogan's syndrome. 1763 64


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