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 277,896 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We retrospectively studied the bacteriology and clinical features of empyema thoracis and lung abscess caused by viridans streptococci in 72 patients seen from January 1984 to September 1996. A total of 76 strains of viridans streptococci were isolated, of which the most common isolates were Streptococcus constellatus (21 strains), S. intermedius (17), and S. sanguis (10). Species belonging to the S. milleri group accounted for the majority (68%) of isolates. In 38 (53%) patients these organisms were recognized as the sole pathogens. Of the 72 patients, 53 had empyema, 14 had lung abscesses, and five had both empyema and lung abscess. Forty-six (64%) patients had underlying diseases. Of these, malignancies were the most common (17 patients), followed by diabetes mellitus (12 patients) and central nervous system diseases (10 patients). Of the 48 patients who underwent chest-tube drainage, 27 (56%) received further treatments, including intrapleural streptokinase (18 cases), surgery (9), and both intrapleural streptokinase and surgery (3). Two (14%) of the patients with lung abscess alone underwent surgical treatment. Although all viridans streptococcal isolates were susceptible to penicillin, the patients in the study had a high mortality (21%). Univariate and multivariate analysis of data for patients with empyema alone (n = 53) showed a significantly increased risk of death in those with underlying malignancy (OR = 16.0, p = 0.023) and those with non-S. milleri-group isolates (OR = 3.72, p = 0.030). These data imply a strong clinical significance of viridans streptococci in the pathogenesis of empyema and lung abscess, as well as the need for species identification of viridans streptococci in patients with pleuropulmonary diseases.
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PMID:Empyema thoracis and lung abscess caused by viridans streptococci. 937 68

Streptococcus agalactiae is a well-recognized cause of neonatal sepsis and meningitis. In adults, infections by S. agalactiae are rare. We report an adult case of lung abscess and pyogenic spondylitis caused by S. agalactiae. A 51-year-old male was admitted to our hospital because of an abnormal shadow in the chest and lumbago on May 25, 1995. He was diagnosed as lung abscess from the chest roentgenogram and CT scan and the subcutaneous pus was aspirated. The pus culture was only positive for S. agalactiae. He was treated with IPM/CS 1 g/day and CLDM 1.2 g/day and the abscess was drained. MRI showed his lumbago was caused by pyogenic spondylitis. The underlying disease of this case was diabetes mellitus. He recovered from the infections with in about 10 weeks of antibiotic treatment.
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PMID:[Case report: lung abscess caused by Streptococcus agalactiae]. 939 64

One hundred patients with chronic chest infection suffering for more than three months admitted into a tertiary referral Hospital, northeast India were examined for pulmonary mycoses. The morning sputum samples in 3 consecutive days with a throat swab of each patient were examined for detection, isolation and identification of the fungus. Study showed Pulmonary candidiasis in 50% of the patients where Candida albicans were having highest incidence of association followed by 5 other species of Candida. Pre-existing conditions like pulmonary tuberculosis, bronchogenic carcinoma, lung abscess, bronchial asthma make the lungs prone to be invaded by the candida species. Long term antibiotics and steroids therapy was found to be associated with pulmonary candidiasis. Other conditions like irradiation treatment, malignancy, diabetes mellitus and malnutrition were also found to be the predisposing factors which influence bronchopulmonary candidiasis.
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PMID:Bronchopulmonary candidiasis in a tertiary referral hospital of Assam, India. 1135 9

The present study was carried out in order to determine the effect of lung resection on the frequency of infections in alloxan-diabetic rats. Adult female Wistar rats were injected with alloxan (40 mg/kg, iv) to induce diabetes mellitus (group D; N = 45) or with vehicle (1.0 ml/kg, iv) to be used as controls (group C; N = 45). Thirty-six days after receiving alloxan both groups were randomly divided into three subgroups: no operation (NO; N = 15), sham operation (SO; N = 15), and left pneumonectomy (PE; N = 15). The rats were sacrificed 36 days after surgery and their lungs were examined microscopically and macroscopically. The occurrence of thoracic wall infection, thoracic wall abscess, lung abscess and pleural empyema was similar in groups D and C. In contrast, the overall infection rate was higher (P<0.05) in the diabetic rats (SO-D and PE-D subgroups, but not in the NO-D subgroup). Considering that the overall infection rate was similar in the SO-D and PE-D subgroups, we suggest that surgery but not pneumonectomy was related to the higher prevalence of infection in diabetic rats.
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PMID:Effect of lung resection and sham surgery on the frequency of infection in alloxan-diabetic rats. 1264 Apr 91

A 55-year-old man, who had diabetes from age 46 years old had been treated for a lung abscess in the right upper lobe at age 51. He underwent an operation for stomach cancer at age 52. When he was 55 years old, a cavity lesion appeared in his right upper lobe at the site of the treated lung abscess. Pulmonary aspergillosis was diagnosed by bronchial biopsy. In this case, we controlled his diabetes and used micafungin which has a mechanism unlike other conventional antifungal agents. The shadow decreased and examination of the resected specimen showed that the fungus had disappeard. Pulmonary aspergillosis is an important mycosis profunda and micafungin seems to be an effective antifungal agent against it.
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PMID:[Sucessful treatment by micafungin of pulmonary aspergillosis occurring in an old lung abscess]. 1596 68

We studied 149 rheumatoid arthritis (RA) patients (mean age 68.0 years; 68 men, 81 women) with pulmonary infections. The mean age at the onset of RA and the duration of RA was 57.2 +/- 15.2 years and 10.9 +/- 11.5 years, respectively. Pulmonary infections included nontuberculous mycobacteriosis in 59 patients (Mycobacterium avium complex infection, 50 cases : Mycobacterium kansasii infection, 4 cases; others, 5 cases), pneumonia in 46 patients, pulmonary tuberculosis in 28 patients, pulmonary aspergillosis in 12 patients, pulmonary cryptococcosis in 5 patients, Pneumocystis jiroveci pneumonia in 5 patients, lung abscess in 9 patients, exacerbation of bronchiectasis in 7 patients, and empyema in 4 patients. One hundred percent of patients with exacerbation of bronchiectasis, 91.7% of patients with pulmonary aspergillosis, 87% of patients with pneumonia, and 81.4% of patients with nontuberculous mycobacteriosis had underlying lung diseases. The pulmonary infections during therapy with steroids were pulmonary tuberculosis (78.6%), pneumonia (65.2%), and pulmonary aspergillosis (58.3%), while the pulmonary infections during methotrexate treatment were Pneumocystis jiroveci pneumonia (80%), pulmonary cryptococcosis (40%), and pulmonary tuberculosis (28.6%). Pulmonary infections in RA patients who were taking TNFalpha inhibitors included 1 patient each with nontuberculous mycobacteriosis, pneumonia, pulmonary tuberculosis, and Pneumocystis jiroveci pneumonia. Among the RA patients with lung abscess, malignancy was noted in 55.6%, and diabetes mellitus in 22.2%. Pseudomonas aeruginosa was the second-most-common cause of pneumonia and cause of all exacerbations of bronchiectasis. As well as immunosuppressive medications (steroids, methotrexate, TNFalpha inhibitors) and systemic comorbid diseases, underlying lung diseases could be one of the risk factor for pulmonary infections in patients with RA. The dominant risk factor for each pulmonary infection in patients with RA might be different.
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PMID:[Pulmonary infections in patients with rheumatoid arthritis]. 1764 42

A 53-year-old man visited his family doctor complaining of chest pain and cough in January 2006. He had a 5-year history of uncontrolled diabetes mellitus. His illness was diagnosed as pneumonia of the left lingular division. Antibiotics were started but his pneumonia worsened repeatedly after insufficient antibiotics due to his poor compliance with medication. In addition to pneumonia, he began to have hemoptysis at the end of May and was admitted to our hospital. Contrast-enhanced CT scan on admission showed a lung abscess on the left lingular division and formation of a pulmonary pseudoaneurysm inside the abscess. Treatment with SBT/ABPC rapidly improved his condition but massive hemoptysis recurred 9 days after admission. Embolization of the bronchial artery and pulmonary pseudoaneurysm successfully controlled airway bleeding. When hemoptysis occurs due to sustained inflammation such as a lung abscess, bleeding from the pulmonary artery should be considered and a precise evaluation including contrast-enhanced CT and pulmonary angiography made.
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PMID:[A case of pulmonary artery pseudoaneurysm secondary to lung abscess]. 1776 92

We report two cases of lung abscesses treated with percutaneous drainage. <Case1> A 69-year-old man with diabetes mellitus was admitted to our hospital because of fever. Chest radiograph and chest CT scan demonstrated a lung abscess adjacent to the chest wall in right S10. Antibiotics did not achieve an adequate response. A drainage catheter was inserted percutaneously. We washed the abscess cavity daily using 1% povidone iodine saline. There was a clear improvement on the chest radiograph. <Case2> A 74-year-old man with cerebral infarct was admitted to our hospital because of persistent cough and fever. Chest radiograph and chest CT scan demonstrated a lung abscess adjacent to the chest wall in left S10. Antibiotics did not achieve an adequate response. A drainage catheter was inserted percutaneously. We washed the abscess cavity daily using 1% povidone iodine saline. There was a clear improvement on the chest radiograph. We think that percutaneous drainage is a very useful method to treat lung abscesses in which antibiotics do not achieve an adequate response.
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PMID:[Two cases of lung abscesses successfully treated with percutaneous drainage]. 1776 93

Bronchopleural fistula is an important cause of mortality and morbidity after pulmonary resection. The use of fibrin glue to reduce the tension and number of sutures in the bronchial stump was assessed in this prospective study of 20 patients between June 2002 and May 2003. They all had a high risk of bronchopleural fistula development because of bronchiectasis, tuberculosis, lung abscess, diabetes mellitus, preoperative neoadjuvant radiotherapy, or residual tumor at the surgical margin. After pulmonary resection, the bronchial stump was closed with separate nonabsorbable sutures supported with fibrin glue. Bronchopleural fistula was observed in only 1 (5%) patient during 6.45 +/- 3.09 months of follow-up. There was no postoperative mortality. Closing the bronchial stump with an appropriate technique and supporting it with fibrin glue were considered effective in preventing bronchopleural fistula development after pulmonary resection in high-risk patients.
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PMID:Fibrin glue administration to support bronchial stump line. 1898 52

Carious and periodontal disease is strongly associated with pulmonary infections. Aspiration pneumonia often develops lung abscess and/or empyema, and sometimes leads to death in elderly patients. It is often repeatedly seen in most of elderly patients, which leads to general weakness, prolonged bed rest, and several complications. There are two pathophysiological factors for aspiration pneumonia. One is due to odontogenic infections: aspirated oral microorganisms reach pulmonary alveoli, grow, and develop their pathogenicity. The other is host factors: alcoholism, diabetes, or bedridden status reduces cough reflex, airway clearance, and functions of phagocytes. The prevention of aspiration pneumonia is significant from medical, social, and economical viewpoints, although the main management of pneumonia is antimicrobial chemotherapy. "Oral care" has recently been of interest as a control means for odontogenic infections and aspiration pneumonia. A dental hygienist and speech therapists in our hospital have implemented active intervention in oral care of patients with risk of aspiration pneumonia, which has made considerable achievements.
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PMID:[Effects and management of odontogenic infections on pulmonary infections]. 1995 22


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