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PubMed1993

Double-blind evaluation of nimesulide vs lysine-aspirin in the treatment of paediatric acute respiratory tract infections.

70 children aged 4 to 12 years with acute infection and inflammation of the respiratory tract (laryngitis, tracheitis, bronchitis, pneumonia) were enrolled in a double-blind investigation and randomised to treatment with nimesulide (50mg granules twice daily) or lysine-aspirin (360mg granules twice daily) for 5 days. The drugs were similarly effective in reducing cough, asthenia and dyspnoea, although nimesulide-treated patients experienced fewer gastrointestinal adverse events. These results confirm the efficacy of nimesulide in the treatment of respiratory inflammation and provide preliminary evidence of its value in children.

Acute Disease↗
PubMed2001

Responsible prescribing for upper respiratory tract infections.

Upper respiratory tract infections (URTIs) are responsible for a large amount of community antibacterial use worldwide. Recent systematic reviews have demonstrated that most URTIs resolve naturally, even when bacteria are the cause. The high consumer expectation for antibacterials in URTIs requires intervention by the general practitioner and a number of useful strategies have been developed. Generic strategies, including eliciting patient expectations, avoiding the term 'just a virus', providing a value-for-money consultation, providing verbal and written information, empowering patients, conditional prescribing, directed education campaigns, and emphasis on symptomatic treatments, should be used as well as discussion of alternative medicines when relevant. The various conditions have differing rates of bacterial infection and require different approaches. For acute rhinitis, laryngitis and tracheitis, viruses are the only cause and, therefore, antibacterials are never required. In acute sore throat (pharyngitis) Streptococcus pyogenes is the only important bacterial cause. A scoring system can help to increase the likelihood of distinguishing a streptococcal as opposed to viral infection, or alternatively patients should be given antibacterials only if certain conditions are fulfilled. Strategies for treating acute otitis media vary in different countries. Most favour the strategy of prescribing antibacterials only when certain criteria are fulfilled, delaying antibacterial prescribing for at least 24 hours. In otitis media with effusion, on the other hand, there is no primary role for antibacterials, as the condition resolves naturally in almost all patients aged >3 months. Detailed strategies for acute sinusitis have not been worked out but restricting antibacterial prescribing to certain clinical complexes is currently recommended by several authorities because of the high natural resolution rate.

Anti-Bacterial Agents↗
PubMedDate not supplied

Tracheopathia chondro-osteoplastica. A clinical study of thirty cases.

During the last 12 years, 30 cases of tracheopathia chondro-osteoplastica have been diagnosed at the Department of Otolaryngology of Kuopio University. Ten of these were accidentally revealed by bronchoscopy, 2 by autopsy, but 18 were revealed through a systematic examination. Ten of these 18 were preliminarily diagnosed by indirect laryngoscopy. The average age for women was 51 and for men 42, the youngest patient being 11 and the oldest 71 years of age. The characteristic symptoms were long-term recurrent cough, hoarseness and periodic expectoration. The sputum was frequently abundant and crusty, and sometimes contained streaks of blood. Shortness of breath was a common symptom, but there were often entirely asymptomatic periods. The disease begins with a persistent purulent tracheitis, which, probably owing to calciphylaxis, causes accumulation of calcium salts in the tracheal mucosa. Cartilage and bone later develop around these accumulations. In most of the cases of tracheopathia chondro-osteoplastica in the present series, the condition was associated with atrophic rhinitis or pharyngitis. As the nasal disease improves, some regression may occur, though hardly healing. Calcium and phosphorus metabolism was not disturbed, and no immunological aberrations were found in any of the patients in this series.

Adolescent↗
PubMed1976

Variant infectious bronchitis virus isolated from Indiana chickens.

Infectious bronchitis virus (IBV) associated with a catarrhal tracheitis, sudden decline in egg production, and reduced shell quality was isolated from an Indiana White Leghorn breeder flock. It was found to be serologically different from Massachusetts, Connecticut, Iowa 97, Iowa 609, Florida, Arkansas 99, JMK, Holte, Gray and SE 17 IBV serotypes. Two different Massachusetts vaccine strains protected chickens from respiratory signs but not against virus infection using the isolant for challenge in laboratory trials. The isolant was passed through a 0.22 mu. filter. It was heat (56 C), acid pH (3.0), ether and chloroform labile. In embryos it produced deaths or lesions of infectious bronchitis in one to five days after inoculation. It is suggested that this IBV isolant be designated Indiana-type.

Animals↗
PubMed2006

Randomized clinical trial on seven-day-per-week continuous accelerated irradiation for patients with esophageal carcinoma: preliminary report on tumor response and acute toxicity.

AIM: Tumor response and normal tissue toxicity of seven-day-per-week continuous accelerated irradiation (CAIR) for patients with esophageal carcinoma were evaluated and compared to conventional irradiation (CR). METHODS: Sixty patients with squamous cell carcinoma of the esophagus were randomized into two groups: the CAIR group (30 patients) and the CR group (30 patients). Patients in the CAIR group received radiotherapy (RT) with 2 Gy/fraction per day at 7 d/wk with a total dose of 50-70 Gy (average dose 64.2 Gy). The overall time of irradiation was 3.6-5.0 wk (average 4.6 wk). RT in the CR group was 2 Gy/fraction per day at 5 d/wk with a total dose of 40-70 Gy (average dose 61.7 Gy). The overall time of irradiation was 4.0-7.0 wk (average 6.4 wk). RESULTS: The data showed that the immediate tumor response to RT was better in the CAIR group than in the CR group. Efficiency rates (CR plus PR) were 82.8% (24/29) and 58.6% (17/29), respectively (P = 0.047). In both groups the incidences of esophagitis and tracheitis were insignificant (P = 0.376, 0.959), and no patient received toxicity that could not be tolerated. CONCLUSION: CAIR shortens overall treatment time and is well tolerated by patients. It may be superior to CR in enhancing the local response of tumor, but its remote effect for esophageal carcinoma awaits further follow-up.

Aged↗
PubMed1998

Viral croup: current diagnosis and treatment.

Viral croup, a common illness in children, manifests with noisy, labored breathing. Parainfluenza viruses are the most common cause of croup; however, other causes including epiglottitis and bacterial tracheitis should be considered in the differential diagnosis. The diagnosis is primarily based on clinical findings; imaging studies may be useful in selected cases. Although most children recover from this self-limited illness with only minimal medical intervention, some are severely affected by laryngeal swelling and require respiratory support with analgesics, cool mist, corticosteroids, nebulized epinephrine, heliox, and, rarely, intubation. In this article, the current diagnostic and management strategies for viral croup are summarized.

Administration, Inhalation↗
PubMed2002

Suspected primary immune deficiency in a Donge de Bordeaux dog.

A young Donge de Bordeaux dog was presented with chronic intermittent antibiotic responsive gastrointestinal and respiratory disease. Further evaluation showed bacterial lymphadenitis, bacterial tracheitis, normal white cell and differential cell counts, hypogammaglobulinaemia, and the absence of B-lymphocytes but the presence of T-lymphocytes in the lymphoid tissue stained with lymphocyte markers. As the dog came from a narrow genetic base, with related dogs showing similar clinical signs, possible B-cell congenital immune deficiency was suspected.

Animals↗
PubMedDate not supplied

Use of inhaled medications to treat respiratory diseases in dogs and cats.

Noninfectious disorders of the respiratory tract, including laryngitis, tracheitis, bronchitis, and asthma are common problems in dogs and cats. Traditional therapies have often included corticosteroids and bronchodilators given by mouth or injection. Side effects of this form of treatment can be severe and can result in cessation of therapy. Inhaled corticosteroid drugs are not as absorbed into the systemic circulation, do not result in significant side effects, and are now the standard of care for dogs and cats with respiratory diseases that would otherwise be treated with systemic medications.

Administration, Inhalation↗
PubMed1982

Herpes simplex virus pneumonia: clinical, virologic, and pathologic features in 20 patients.

Herpes simplex virus (herpesvirus) was isolated from autopsy lung specimens of 20 patients with clinical, roentgenographic, and histologic evidence of pneumonia. Mucocutaneous herpesvirus infection preceded the onset of pneumonia in 17. Twelve patients had focal pneumonia, 10 of whom had concomitant herpetic tracheitis, esophagitis, or both. Eight patients had diffuse interstitial pneumonia, six of whom had dissemination of herpesvirus to the other organs. Of the eight lung isolates available for typing, seven were herpesvirus-1 and one, herpesvirus-2. A high prevalence of herpesvirus antibody in serum samples obtained before pneumonia and identical restriction endonuclease patterns between mucosal and lung isolates in individual patients indicated that, in most cases, herpesvirus pneumonia was due to endogenous reactivation of virus. Focal herpesvirus pneumonia appeared to result from contiguous spread of herpesvirus to lung parenchyma, whereas diffuse interstitial pneumonia appeared to be a manifestation of hematogenous dissemination of virus.

Adolescent↗
PubMed1989

Pulmonary lesions in disseminated visceral coccidiosis of sandhill and whooping cranes.

Fifty cranes, consisting of 46 sandhill (Grus canadensis) and four whooping cranes (Grus americana), were studied. Eighteen sandhill cranes and the four whooping cranes were naturally infected with disseminated visceral coccidiosis (DVC). The remaining sandhill cranes were chicks experimentally infected with oocysts of Eimeria reichenowi and/or E. gruis; five chicks served as controls. There were no clinical signs attributed to respiratory infection. Necropsy of naturally infected adult birds revealed nodules in many organs, including the lung, air sacs, trachea and nares. Artificially infected sandhill cranes and the whooping crane chicks that died from DVC had congestion and consolidated areas in the lung with frothy fluid in the airways. Grossly visible nodules were observed from 10 days postinoculation. Granulomatous pneumonia and tracheitis were observed with light microscopy. Lesions were associated with merogonic and gametogonic stages of eimerian coccidia. Granulomas and granulomatous foci contained parasitized large mononuclear cells. Merogonic stages were seen in lymphoid cells by ultrastructural examination. Oocysts were observed in the trachea and bronchial mucosa and admixed with exudate in the airways, indicating that crane eimerians can complete their life cycle at these sites. Of the few eimeriid coccidia that have extraintestinal stages of development in birds and mammals, only the species in cranes complete their life cycle in both the digestive and respiratory tracts.

Air Sacs↗
PubMed1994

Morbilliviral disease in an Atlantic bottlenose dolphin (Tursiops truncatus) from the Gulf of Mexico.

A free-living adult female Atlantic bottlenose dolphin (Tursiops truncatus) found dead near Panama City, Florida (USA), had necrotizing and ulcerative tracheitis, suppurative and hemorrhagic pneumonia, and necrotizing myocarditis; fungal hyphae were present in these lesions. Additionally, lungs had multifocal proliferative interstitial pneumonia with occasional syncytial cells. Some syncytial cells and type II pneumocytes contained eosinophilic intranuclear or intracytoplasmic inclusion bodies, or both. Based on an immunoperoxidase technique, there was morbilliviral antigen within cytoplasm and nuclei of type II pneumocytes and syncytial cells: antigen also occurred in trachea, skin, liver, stomach, intestine, and uterus. Based on pathologic and immunocytochemical findings, the dolphin had morbillivirus-induced disease. This is the first report of morbilliviral disease in a marine mammal from the Gulf of Mexico.

Animals↗
PubMed1996

Herpesvirus particles associated with oral and respiratory lesions in a California desert tortoise (Gopherus agassizii).

A 60-year-old captive California desert tortoise (Gopherus agassizii) which died in August 1990 at the University of California, Davis, California (USA), during treatment for colonic impaction had marked caseous necrosis of the oral cavity, choana, trachea, and lungs. Numerous intranuclear inclusion bodies and a large number of syncytial giant cells were seen in the oral cavity and respiratory tract along with bacterial granulomas. Pasteurella testudinis, Streptococcus veridans, and coagulase-negative Staphilococcus spp. were cultured from the lesions. Using electron microscopy, herpesvirus particles were observed in intranuclear inclusions and cytoplasm. Viral stomatitis, tracheitis, and bronchopneumonia complicated by bacterial infection were diagnosed. Although respiratory disease is common in desert tortoises, this is believed to be the first report of association with a viral infection.

Animals↗
PubMed1996

Respiratory and pharyngo-esophageal iridovirus infection in a gopher tortoise (Gopherus polyphemus).

A free-living adult male gopher tortoise (Gopherus polyphemus) was found on Sanibel Island, Florida (USA), on 18 February 1992 with signs of upper respiratory disease. On necropsy after euthanasia on 27 February 1992, severe, extensive necrotizing ulcerative tracheitis, multifocal necrotizing pneumonia, and multifocal necrotizing ulcerative pharyngitis and esophagitis were observed. Large ovoid to round intracytoplasmic basophilic inclusions, which appeared to displace the nucleus to the cell periphery, occurred within degenerate and necrotic epithelial cells of the above tissues. On transmission electron microscopy of formalin-fixed trachea and lung, intracytoplasmic viral particles were observed within necrotic cells in the tracheal lumen and epithelial cells of the lung. Most infected cells also had a roughly spherical granular cytoplasmic inclusion that contained clusters of viral particles. Viral particles had an electron dense spherical to icosahedral core surrounded by a less electron dense icosahedral capsid. Mature extracellular virions were surrounded by an envelope and were 150 to 220 nm in diameter. Virions and cytoplasmic inclusions were morphologically similar to those of the Family Iridoviridae.

Animals↗
PubMed1976

[Pathomorphology of lung alterations in calves naturally infected with the virus of infectious rhinotracheitis].

In addition to diphtheroid rhinitis, and tracheitis, the infectious rhinotracheitis in calves has also been accompanied by a catarrhal-and-necrotic pneumonia. The mucous membrane of the bronchi, bronchioles, and alveoli in such cases is edematous with occasional necrotic areas. The necroses are focal and areactive. The peribronchial lymphoreticular system shows no signs of proliferation. The necrotic lesions in the bronchi and alveoli are considered as the porte d'entrée of the bacterial infection that aggravates the course of the disease and fairly often leads to death.

Animals↗
PubMedDate not supplied

Experimental and serologic observations on avian pneumovirus (APV/turkey/Colorado/97) infection in turkeys.

An avian pneumovirus (APV) was isolated from commercial turkeys in Colorado (APV/Colorado) showing clinical signs of a respiratory disease. The results of virus neutralization and indirect fluorescent antibody tests showed that the APV/Colorado was partially related to APV subgroup A but was unrelated to APV subgroup B. Turkeys experimentally inoculated with the APV/Colorado were observed for signs, lesions, seroconversion, and virus shedding. Thirty-six 7-wk-old turkeys were distributed into three groups. Eighteen turkeys were inoculated oculonasally with APV/Colorado, six were placed in contact at 1 day postinoculation (DPI), and 12 served as noninoculated controls. Tracheal swabs and blood samples were collected at 3, 5, 7, 10, 14, and 21 DPI. Tissues were collected from three inoculated and two control turkeys on aforementioned days for pathologic examination and APV isolation. Inoculated turkeys developed respiratory disease, yielded APV at 3, 5, and 7 DPI, and seroconverted at 10 DPI. Contact turkeys yielded APV at 7 and 10 DPI. No gross lesions were observed in the turbinates, infraorbital sinuses, and trachea. However, microscopic examination revealed acute rhinitis, sinusitis, and tracheitis manifested by congestion, edema, lymphocytic and heterophilic infiltration, and loss of ciliated epithelia. The inflammatory lesions were seen at 3 DPI and became extensive at 5 and 7 DPI. Active regenerative changes in the epithelia were seen at 10 and 14 DPI. Serologic survey for the presence of antibodies in commercial turkeys (24,504 sera from 18 states) and chickens (3,517 sera from 12 states) to APV/Colorado showed seropositive turkeys in Minnesota, North Dakota, and South Dakota and no seropositive chickens. This report is the first on the isolation of an APV and APV infection in the United States.

Animals↗
PubMed2000

Wegener's granulomatosis: an unusual cause of upper airway obstruction.

A 10-year-old child with a 2-month history of tracheitis presented with acute stridor, for which he required tracheostomy. Granulation tissue was found in the subglottic region and he was treated with antibiotics and corticosteroids. A week after successful decannulation of his tracheostomy, his stridor recurred and, on endoscopy under general anaesthesia, circumferential granulomas extending into both main bronchi were found. A diagnosis of Wegener's granulomatosis was made and confirmed on histology.

Airway Obstruction↗
PubMed1999

[An alternative to conventional antibiotic therapy in respiratory infections--Bioparox Spray].

As the main target of influenza viral aggression, the respiratory tract is subject to easier bacterial infection superimposition. The researchers from Les Laboratoires Servier--France, managed to isolate a substance--fusafungine--from the microspore of the fungus Fusarium lateritium, which demonstrates unique anti-inflammatory and antibiotic action, and is the active ingredient of Bioparox Spray, an inhalant. The principal indications of Bioparox Spray for treatment of respiratory tract infections fall within the range from the sinuses to the finest alveolar duct, namely: rhinitis, sinusitis, tonsillitis, pharyngitis, laryngitis, tracheitis and bronchitis. In terms of technology Bioparox is unique due to the fact that 90% of the aerosol particles are less than one micron large, while generally the particles needed for penetration through the alveolar duct should be less than three microns. Due to such micronization, after inhalation Bioparox Spray reaches from the sinuses to the finest bronchial branches. Bioparox Spray possesses sound and broad antibiotic spectrum of action on the most common causative agents of respiratory infections, and more over, it acts upon Candida albicans, unlike the remaining broad-spectrum antibiotics. Bioparox Spray also has an independent anti-inflammatory effect by blocking the inflammation mediators: Bioparox Spray inhibits the synthesis of free radicals and the action of IL1 and TNF as pro-inflammatory factors, and it potentiates the action of IL2 and interferon-gamma which are anti-inflammatory factors. By its dual antibiotic and anti-inflammatory action Bioparox Spray is an excellent alternative to the conventional antibiotic therapy.

Aerosols↗
PubMedDate not supplied

Pathology of velogenic Newcastle Disease virus infection in turkeys.

Twenty-four 4-week-old poults, free from Mycoplasma meleagridis and M. gallisepticum, were inoculated with a velogenic viscerotropic strain of Newcastle disease virus. Clinical signs (gasping, coughing, and dyspnea) developed 4-5 days postinoculation, continued until nervous derangement appeared, and then (usually 3 days after initial clinical signs appeared) declined in severity. Prominent nervous signs were paresis and paralysis of the extremities, with pronounced head-shaking. The most constant gross lesions detected involved the airsacs. The abdominal sacs of a few poults contained a large accumulation of yellowish, cheesy exudate and there was cloudiness of the thoracic airsacs of all inoculated poults. A few turkeys had tracheitis with some catarrhal exudates and casts in the lower part of the tracheal lumen. Congestion of lepto-meningeal vessels usually correlated with the severity of the nervous signs. The histologic lesions were characterized by both degenerative and proliferative changes with predominantly mononuclear cell and heterophil infiltrations throughout the body. The obvious lesion seen in the recovery stage of the disease was proliferation of lymphofollicular nodules in the parenchymatous organs.

Air Sacs↗