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Query: UMLS:C0040586 (tracheobronchitis)
 449 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We reviewed the different clinical forms of thoracic aspergillosis and detailed surgical options. Classical aspergiloma where a tuft of Aspergillus grows in a parenchymal cavity is the most well-known entity. Simple forms (little clinical expression, thin-walled cavity without impact on neighboring tIssue) can be distinguished from complex forms (poor general status, thickened cavity, sequellae). Surgery is the last resort for complex forms, but the procedure is benign for simple forms allowing interruption of the spontaneous evolution. Pleural aspergillosis is a common complication of the excision procedure, whether performed early or at mid-term. Thoracoplasty is often required due to the Volume of parenchyma removed. Surgery can be proposed for acute invasive aspergillosis in two situations: to prevent cataclysmic hemoptysis due to a paravascular lesion, or for resection of sequestered mycotic deposits which could lead to generalized reinfection. Semi-invasive aspergillosis is usually observed in areas of post-radiation fibrosis where the typical aspergillar excavation appears after the initial phase of invasion leading to lobular pneumonia. Thoracoplasty is often the only surgical option. Ulcerated aspergillar tracheobronchitis is observed after (heart)-lung transplantation and raises the risk of characteristic invasive aspergillosis. Finally rare observations of parietal aspergillosis have been treated by surgical resection in combination with systemic antifungal agents. Multidisciplinary consultation is required to establish the most appropriate approach.
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PMID:[Thoracic aspergillosis: indications for surgery for a multifaceted disease!]. 1513 43

Influenza virus is among the most common causes of respiratory illness, which may manifest as a range of conditions, from mild upper respiratory tract infection to bronchiolitis and pneumonia. Acute childhood myositis associated with influenza occurs mostly in influenza B infection. In this retrospective study, we analyzed the characteristics of 197 children with influenza virus treated from January 2000 to December 2001. Among them, 73 children had influenza A infection and 124 had influenza B infection. Influenza A virus outbreaks occurred in January 2000, July 2001, and December 2001, while influenza B virus outbreaks occurred from March 2000 to May 2000 and from December 2000 to February 2001. The most common clinical manifestations of influenza A and influenza B virus infection included fever, cough, and rhinorrhea. These infections also frequently manifested as laryngo-tracheobronchitis, pneumonia, and unexplained fever, which led to hospitalization. The most common clinical diagnosis was upper respiratory tract infection. The rates of benign acute childhood myositis in influenza A and influenza B were 5.5% and 33.9%, respectively. Creatine kinase levels were elevated in most myositis cases and boys were more commonly affected. Acute childhood myositis was more commonly seen in influenza B infection.
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PMID:Clinical features of influenza A and B in children and association with myositis. 1518 90

A fatal case of influenza A infection with Staphylococcus aureus superinfection in a previously healthy 49-year-old woman presenting as sudden, unexpected death is reported. Autopsy revealed severe necrotizing tracheobronchitis and hemorrhagic pneumonia. Microscopic examination of the trachea and bronchi showed mucosal necrosis and a dense lympho-monocytic infiltration of all layers. The lungs showed focal hemorrhagic pneumonia. No pathological changes were detectable in the myocardium. Influenza A virus was detected in bronchi and lung samples obtained during autopsy by the polymerase chain reaction (PCR) and bacterial superinfection with Staphylococcus aureus was shown by culturing from tracheal, bronchial and pulmonary swabs obtained during autopsy. PCR assays for the detection of Panton-Valentine leukocidin performed from all samples were negative. This case demonstrates the need for an interdisciplinary approach towards an organism-specific diagnosis of potentially infection-related deaths undergoing a medico-legal autopsy. With improved diagnostic possibilities such as PCR and DNA sequencing, forensic pathologists can, in close association with the field of microbiology, make a significant contribution to the detection of highly infectious agents which must be notified to the authorities. This will increase particularly the knowledge about the influence of these agents on sudden, unexpected deaths in outpatients.
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PMID:Fatal influenza A infection with Staphylococcus aureus superinfection in a 49-year-old woman presenting as sudden death. 1532 29

Colonization of the tracheobronchial tree with microorganisms almost always follows tracheal intubation, tracheostomy, or the use of ventilatory tubes. Infection of the tracheostomy wound site frequently occurs after prolonged use of the tracheostomy. The long-term-ventilated child is at high risk for developing tracheobronchitis or nosocomial pneumonia, generally involving aerobic gram-negative or gram-positive bacteria. Several studies have illustrated the role of anaerobic bacteria in lower respiratory tract and tracheostomy wound site infection in intubated children. The predominant anaerobic bacteria were Peptostreptococcus spp and pigmented Prevotella and Porphyromonas spp. Most of these infections are due to polymicrobial aerobic-anaerobic bacterial flora. Appropriate management of mixed pulmonary aerobic and anaerobic infections requires the administration of antimicrobials that are effective against both the aerobic and anaerobic components of the infection.
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PMID:Role of anaerobic bacteria in infections following tracheostomy, intubation, or the use of ventilatory tubes in children. 1553 47

Intensive care unit (ICU)-acquired lower respiratory tract infections include acute tracheobronchitis and hospital-acquired and ventilator-associated pneumonia (VAP). Nosocomial pneumonia is the second most common hospital-acquired infection and the leading cause of death in hospital-acquired infections. The mortality rate in VAP ranges from 24% to 76% in several studies. ICU ventilated patients with VAP have a 2- to 10-fold higher risk of death than patients without it. Early oropharyngeal colonization is pivotal in the etiopathogenesis of VAP. The knowledge of risk factors for VAP is important in developing effective preventive programs. Once the physician decides to treat a suspected episode of ICU-acquired pneumonia, some issues should be kept on mind: first, the adequacy of the initial empiric antibiotic therapy; second, the modification of initial inadequate therapy according to microbiological results; third, the benefit of combination therapy; and finally, the duration of the antimicrobial treatment. Additionally, a protocolized work-up to identify the causes of non-response to treatment is mandatory. All these issues are discussed in depth in this article.
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PMID:Respiratory nosocomial infections in the medical intensive care unit. 1573 30

Respiratory syndromes in acute poisoning can refer to a wide range of specific clinical syndromes, from acute tracheobronchitis to acute pulmonary edema, chemical pneumonia, acute respiratory distress syndrome and respiratory failure, that occur as a result of direct or indirect effect of chemical substances, drugs and toxins on lungs and airways. Our study attempt to identify, during one-year retrospective study on patients diagnosed with acute poisoning, addressed to Medical Clinic of Emergency Clinic Hospital of Iasi, the respiratory syndromes commonly associated with acute poisoning. We found that the association of toxins, inhalation of gases or volatile substances have a high risk for appearance of respiratory syndromes. The outcome of these patients is influenced by the duration of exposure or the delay of presentation to the hospital after ingestion, and depends on the rapid and aggressive measures for basic life support and intensive care.
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PMID:[Respiratory syndromes in acute poisoning]. 1583 71

Herpes simplex virus (HSV) causes tracheobronchitis and pneumonitis; however, to date, there has only been one report of an endobronchial mass caused by HSV type II. This case study describes a 68-yr-old female with severe kyphoscoliosis who was intubated for acute on chronic hypercapnic respiratory failure and developed blood-tinged endotracheal secretions. Fibreoptic bronchoscopy demonstrated an endobronchial mass in the right middle lobe. Cultures grew HSV type I and biopsy specimens demonstrated cytopathological changes consistent with HSV infection. This is the first reported case of HSV type I presenting as an endobronchial tumour.
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PMID:Endobronchial pseudo-tumour caused by herpes simplex. 1592 68

Foreign body aspiration can produce serious pulmonary diseases. Timely diagnosis and appropriate treatment is important to prevent long-term complications in affected children. We report the case of a 15-month-old child with a 5-month history of regurgitation, vomiting, recurrent tracheobronchitis, and pneumonia. The diagnosis was gastroesophageal reflux. The laryngotracheal endoscopy revealed a rabbit vertebra partially obstructing the airway at the level of the cricoid cartilage. With a rigid bronchoscope and forceps equipped with a telescope, it was possible to disengage and extract the foreign body. Six months later endoscopic control revealed no residual alterations in the larynx and trachea.
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PMID:Removal of an unexpected tracheal foreign body after five months. 1595 43

Eight one-week-old, colostrum-deprived lambs were inoculated intratracheally with ovine isolates of Bordetella parapertussis. After inoculation, the lambs showed slight depression and anorexia. The total circulating leucocyte counts in these animals rose gradually to a peak five days post-inoculation. Neutrophil counts also increased and were highest at Day 3. Lesions grossly and histologically similar to those of naturally-occurring ovine chronic non-progressive pneumonia were seen in the majority of infected animals. Grossly, they consisted of many small areas of collapse and dull-red consolidation. Histologically, B. parapertussis caused mild acute tracheobronchitis, severe alveolar collapse and acute bronchopneumonia, which was most severe from Days 1 to 3. Pure cultures of B. parapertussis were consistently recovered from nasal swabs of infected lambs throughout the study. Viable bacterial counts of bronchoalveolar lavage fluid showed a rapid elimination of this organism from the lower respiratory tract between Days 1 to 5. Bordetella parapertussis infection in the respiratory tract of lambs has the potential to compromise pulmonary defence mechanisms and allow other pathogenic organisms to become established in the lower respiratory tract.
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PMID:Pneumonia in lambs inoculated with Bordetella parapertussis: clinical and pathological studies. 1603 69

Pulmonary infections span a wide spectrum, ranging from self-limited processes (e.g., tracheobronchitis) to life-threatening infections including both community-acquired pneumonia (CAP) and hospital-acquired pneumonia (HAP). Together, pneumonia and influenza rank as the sixth leading cause of death in the United States and lead all other infectious diseases in this respect. Pneumonia is the second-most-common hospital-acquired infection in the United States, accounting for 17.8% of all hospital-acquired infections and 40,000 to 70,000 deaths per year. HAP is the most common nosocomial infection occurring in patients requiring mechanical ventilation, developing in 6.5% of patients after 10 days and in 28% of patients after 30 days of ventilatory support. Patients acquiring HAP have a greater risk of mortality than comparably ill ventilated patients who do not develop pneumonia. Ventilator-associated pneumonia (VAP) specifically refers to a bacterial pneumonia developing in patients with acute respiratory failure who have been receiving mechanical ventilation for at least 48 hours. The etiologic bacteriologic agents associated with VAP typically differ based on the timing of the occurrence of the infection relative to the start of mechanical ventilation. VAP occurring within 96 hours of the onset of mechanical ventilation is usually due to antibiotic-sensitive bacteria that colonize the patient prior to hospital admission (e.g., Streptococcus pneumoniae, Haemophilus influenza, oxacillin-sensitive Staphylococcus aureus). VAP developing after 96 hours of ventilatory support is more often associated with antibiotic-resistant bacteria including oxacillin-resistant Staphylococcus aureus, Acinetobacter species and Pseudomonas aeruginosa. However, more recent data suggest that hospitalization and exposure to antibiotics prior to the start of mechanical ventilation are important risk factors for the occurrence of VAP attributed to antibiotic-resistant bacteria. Therefore, these risk factors should be considered when deciding on an appropriate empiric antibiotic regimen regardless of the onset of VAP. VAP and catheter-associated bloodstream infections are the leading causes of infection acquired in the intensive care unit (ICU) setting. Patients in the ICU have rates of HAP that are as much as five to ten times higher than the rates in general hospital wards. Additionally, like nosocomial bloodstream infections, VAP is associated with an attributable mortality beyond that accounted for by patients' severity of illness. The attributable mortality associated with VAP appears to be greatest for "high-risk'' antibiotic-resistant bacteria including Pseudomonas aeruginosa and oxacillin-resistant Staphylococcus aureus. The greater hospital mortality associated with these "high-risk'' pathogens has been attributed to the virulence of these bacteria and the increased occurrence of inadequate initial antibiotic treatment of VAP due to the presence of antibiotic resistance. This review provides an overview of the clinical importance of VAP. We then describe how this nosocomial infection influences the management and outcomes of patients with the acute respiratory distress syndrome (ARDS).
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PMID:Ventilator-associated pneumonia complicating the acute respiratory distress syndrome. 1608 83


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