rare bacterial lung infections

There are two main clinical presentations for NTM infection, which means that the symptoms and signs associated with this disorder are expressed in two specific ways. Prior to the discovery of antibiotics, severe bacterial infections were one of the major causes of human deaths throughout the developed world. Am J Respir Crit Care Med. In widespread (disseminated) NTM infection, an underlying problem with the immune system is suspected. These germs are commonly found throughout the environment. A bacterial infection can also spread throughout the blood, causing a condition described as sepsis. Two main theories exist to explain individual susceptibility to NTM infection. Disseminated infection with mycobacterium avium complex. A sputum culture is a test that can detect and identify bacteria that are infecting the lungs and various breathing passageways (airways). 2007) outlining the diagnostic criteria for pulmonary NTM infection. Proper nutrition and weight maintenance are also important. The less severe form is known as nodular bronchiectasis, in which the airways of the lungs become damaged, and subsequently dilate and become scarred. If a decision is made not to treat, then an affected individual should be closely monitored to promptly detect any progression of the infection. Bacterial pneumonia is acquired in a community, hospital or congregate living setting, but can also occur due to autoimmune disease 4. Information on Clinical Trials and Research Studies, COVID-19 Rapid Response Leadership Series, 5 Myths About Orphan Drugs and the Orphan Drug Act, Nontuberculous Mycobacterial Lung Disease, https://rarediseases.org/for-patients-and-families/information-resources/news-patient-recruitment/, https://www.ncbi.nlm.nih.gov/pubmed/29346118, http://thorax.bmj.com/content/thoraxjnl/72/Suppl_2/ii1.full.pdf, http://www.ncbi.nlm.nih.gov/pubmed/25676515, http://www.ncbi.nlm.nih.gov/pubmed/25676521, http://www.ncbi.nlm.nih.gov/pubmed/24735031, http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4067452/, http://www.ncbi.nlm.nih.gov/pubmed/23144328, http://www.ncbi.nlm.nih.gov/pubmed/21144251, http://www.ncbi.nlm.nih.gov/pubmed/18187749, http://www.ncbi.nlm.nih.gov/pubmed/17277290, http://www.ncbi.nlm.nih.gov/pubmed/16778288, https://rarediseases.org/physician-guide/nontuberculous-mycobacterial-lung-disease-ntm/, Mycobacteria other than tuberculosis (MOTT), Clinical symptoms compatible with NTM infection. Ryan Mac is a freelance writer from Omaha who has been writing since 2009. M. abscessus, M. chelonae, and M. fortuitum are rapidly growing mycobacteria, and usually grow in culture within one week. A complication of pneumonia is empyema, where the lungs fill with pus. Infiltrates is a nonspecific term describing substances that abnormally accumulate in the lungs or airways. Several lung diseases, such as tuberculosis, bacterial pneumonia, chronic bronchitis and asthma, are/can be caused by bacteria. Let’s explore some examples of how some bacterial illnesses are spread. ERJ Open Res. Bacterial infections in the lung leading to pneumonia are a major cause of death in the young, elderly, immunocompromised and cystic fibrosis patients. J Clin Med Res. Children and adults of any age can develop a bacterial infection. Non-tuberculous mycobacterial diseases presenting as solitary pulmonary nodules. Bacterial pneumonia is an infection of your lungs caused by certain bacteria. The information in NORD’s Rare Disease Database is for educational purposes only and is not intended to replace the advice of a physician or other qualified medical professional. Various techniques that help to expel mucus from the lungs may be recommended for affected individuals. Neonatal listeriosis occurs in approximately 8.6/100,000 of live births (11). Please note that NORD provides this information for the benefit of the rare disease community. A lung infection occurs when lungs get exposed to bacteria, viruses, or other disease-causing agents present in our surroundings. A complication of pneumonia is empyema, where the lungs fill with pus. 2017;12:26. doi:10.1186/s40248-017-0106-3, Principi N, Esposito S. Prevention of community-acquired pneumonia with available Pneumococcal vaccines. This form is more severe and, if left untreated, can cause progressive cavitation and fibrosis, ultimately resulting in respiratory failure. Rarely, lung infections can be caused by fungi such as Pneumocystis jirovecii, Aspergillus, or Histoplasma capsulatum. The upper respiratory tract may become susceptible to bacterial infection as a result of health conditions such as allergies and viral infections, as well as the effects of smoking and airborne environmental pollutants. So, preventing measures should be taken in order to prevent such infections. Most people do not become sick when exposed to these germs. Bacterial pulmonary infections usually occur during the first week after surgery and include common pathogens, such as gram-negative bacteria. 2015. https://rarediseases.org/physician-guide/nontuberculous-mycobacterial-lung-disease-ntm/ Accessed June 11, 2018. 2014;6(1):27–37. Empyema can also be brought on by complications of surgery, ruptured esophagus or physical injury (4). Depends: Bacterial lung infections tend to be easier to treat than fungal lung infections. Generally, NTM infection is more common in Caucasians, Asians and individuals with a compromised immune system. In specific cases such as in individuals with localized bronchiectasis, cavitary disease, or coughing up blood that does not improve with treatment (refractory hemoptysis), surgical removal of the affected tissue may be recommended. The criteria used are a best fit for infection with Mycobacterium avium complex, Mycobacterium kansasii, and Mycobacterium abscessus. For children, the elderly and people with compromised immune systems call for emergency help -- better safe than sorry. Marfan syndrome, hyper-IgE syndrome, and congenital contractural arachnodactyly have also been associated with pulmonary NTM disease. As with other sources of infection, bacteria can cause inflammation in the lungs -- pneumonia -- or in the trachea and its branches -- bronchitis, although most cases of bronchitis tend to be viral (2, 3, 4). Pneumonia is a general term for infections of the lungs that lead to inflammation and accumulation of fluids and white blood cells in the alveoli. Nodular bronchiectasis predominantly affects older women of Caucasian or Asian descent without a history of lung disease. Treatment typically involves the use of prescription antibiotics. According to a 2011 report from the Centers for Disease Control and Prevention, pneumonia is the 8th leading cause of death in America, sharing a spot with the flu (1) 1. Additional species that can cause infection in humans include M. abscessus, M. kansasii, M. fortuitum, M. xenopi, M. malmoense, M. szulgai, and M. simiae. The development of multi-drug resistant strains makes effective treatment difficult. Abnormalities in airway defenses or the ability of the airways to clear out normal secretions can lead to lung disease in individuals infected with NTM. Thorax 2017;72:ii1–ii64. M. kansasii is more common in males and in individuals with underlying COPD or immune suppression from medications, HIV infection or malignancy. intracellulare, and M. chimaera. Individuals with the cavitary form of infection are often prior smokers with underlying chronic obstructive pulmonary disease (COPD) or have pre-existing structural lung disease such as bronchiectasis. A diagnosis of NTM includes ruling out other diseases such as tuberculosis or lung cancer. MAC bacteria get into the body when the bacteria are inhaled into the lungs or swallowed. Parasitic infections of the lung occur worldwide among both immunocompetent and immunocompromised patients and may affect the respiratory system in a variety of ways. 2017;8:1041. doi:10.3389/fmicb.2017.01041, Chughtai M, Gwam CU, Mohamed N, et al. The Haemophilus influenzae type b and influenza vaccines are important because they protect the immune system from being weakened by viruses that can pave the way for opportunistic bacterial infections (2, 4, 5). The reason for this variability is not fully understood. Cutaneous anthrax. Fever reducing medications are given as necessary and antibiotics are prescribed if bacteria is discovered or in the case of a known outbreak (3, 4). An infection can be widespread (disseminated) throughout the body and, without proper treatment, can prove fatal. Eur J Intern Med. A sputum sample can also be obtained through bronchoscopy. Bronchiolitis may sound similar to bronchitis, but they are two distinct lung infections. Pneumonia happens when bacteria, viruses, and less commonly fungi collect in a person's air sacs and begin to grow. The most common cause in America adults is bacteria -- mainly Streptococcus pneumonia. Updated May 27, 2020. These guidelines require that an affected individual meet clinical, radiographic, and microbiologic criteria to establish a diagnosis of NTM lung disease: X-ray studies (e.g. Lung disease due to the more common nontuberculous mycobacteria. During a lung biopsy, a small sample of affected lung tissue is surgically cut out, removed and studied under a microscope. 2015;36:1-11. http://www.ncbi.nlm.nih.gov/pubmed/25676515, Philley JV, Griffith DE. Front Microbiol. This can be done by chest x-ray and blood test. 2014;25:356-363. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4067452/, Kartalija M, Ovrutsky AR, Bryan CL, et al. A bronchoscopy may be necessary for diagnosis in individuals who are unable to produce an adequate sputum sample. Centers for Disease Control and Prevention: National Vital Statistics Reports, Infectious Diseases Society of America: American Thoracic Society Consensus Guidelines on the Management of Community-Acquired Pneumonia, American Lung Association: Preventin Pneumonia, American Lung Association: Managing and Preventing Acute Bronchitis, University Health Service: Colds and Flu: Upper Respiratory Infections, Almirall J, Serra-prat M, Bolíbar I, Balasso V. Risk factors for community-acquired pneumonia in adults: a systematic review of observational studies. doi:10.1097/MCP.0000000000000567, Mantero M, Tarsia P, Gramegna A, Henchi S, Vanoni N, Di Pasquale M. Antibiotic therapy, supportive treatment and management of immunomodulation-inflammation response in community acquired pneumonia: review of recommendations. He holds a Master of Science in molecular biology and a Bachelor of Science in biological sciences from the University of Nebraska. Mayo Clinic. Individuals with cystic fibrosis (CF) and non-CF bronchiectasis are at increased risk for developing NTM infections, most commonly MAC or M. abscessus. Doctors look for signs like increased heart rate, wheezing or crackles, abnormal breathing and other typical signs of pneumonia. This HealthHearty write-up provides information on such respiratory tract infections. 2018 Apr;31(2):199-207. https://www.ncbi.nlm.nih.gov/pubmed/29346118, Haworth CS, Banks J, Capstick T, et al. A liquid or solid medium is a liquid or gel designed to support the growth of microorganisms like bacteria. The epidemiology and risk factors for postoperative pneumonia. 2018;4(2):00058-2018. doi:10.1183/23120541.00058-2018. Sputum is a thick fluid produced within the lungs and breathing passageways of the respiratory tract, usually in response to infection or inflammation. The slowly growing mycobacteria, which include the most common species, MAC, typically take 10-14 days to grow in a liquid medium, and 2-4 weeks to grow in solid medium. Bacterial infection of bronchi and lung can occur due to bacterium such as clamydia pneumonia, mycoplasma pneumoniae, streptococcus pneumoniae 1, haemophilus influenzae 1, and bordetella pertussis (whooping cough), especially in children.Majority of the cases of acute bacterial bronchitis start as viral bronchitis. 2014;189:894-898. http://www.ncbi.nlm.nih.gov/pubmed/24735031, Johnson MM, Odeall JA. Vaccines have been developed that can help prevent bacterial pneumonia. Control of Communicable Diseases Manual. Lung infections need medical treatment with anti-infective drugs in order to restore normal breathing capabilities. 28th ed. British Thoracic Society Guidelines for the Management of Nontuberculous Mycobacterial Pulmonary Disease (NTM-PD). INTERNET Lande L. The Physician’s Guide to Nontuberculous Mycobacterial Lung Disease. The most common cause in America adults is bacteria -- mainly Streptococcus pneumonia. 2007) include detailed treatment recommendations for individuals with NTM infections. During this procedure, a physician can also obtain a bronchoalveolar lavage (BAL), which is a deeper fluid sample from the alveoli (lung sacs) for examination. ISBN 978-1-58110-306-9 Centers for Disease Control and Prevention. In most cases, a lung biopsy is not necessary for a diagnosis of NTM infection. Patients with nontuberculus mycobacterial lung disease exhibit unique body and immune phenotypes. ISBN 978-0-87553-189-2; Red Book: 2009 Report of the Committee on Infectious Diseases. National Institutes of Health. The lung is exposed to enormous quantities of air and to potentially infectious agents, but serious infections rarely occur, a testament to the extraordinary natural defences of the respiratory tract. Clostridium sordellii infection. The pneumococcal vaccine can help protect against streptococcus-related pneumonia ( 2, 4, 5). Bacterial bronchitis accounts for 5 percent of cases and usually occurs in people with underlying health problems. The symptoms and severity can vary greatly from one person to another. Although pulmonary symptoms are the most common way NTM disease affects humans, these infections can also involve the skin, bones, and lymph nodes. Int J Tuberc Lung Dis. Treatment with a combination of antibiotic drugs (drug regimen) is the mainstay of therapy for these diseases. Treating nosocomial pneumonia: what's new. Pathogenesis and risk factors for nontuberculous mycobacterial lung disease. those with chronic respiratory infections. The airways can lose their ability to clear mucus and the mucus that accumulates within the airways can serve as a nutrient source and home for NTM, helping it to evade the immune system. There are less common presentations of NTM infection. There may be certain risk or predisposing factors that, when present, make it more likely for infection to occur. Therapy with tumor necrosis factor alpha antagonist drugs, such as is used to treat rheumatoid arthritis and other connective tissue diseases, is also a risk factor for NTM infection. The infection is caused by the Listeria monocytogenes bacterium. In 2018, Arikayce (amikacin liposome inhalation suspension) was approved for the treatment of lung disease caused by Mycobacterium avium complex (MAC) bacteria in a limited population of patients with the disease who do not respond to conventional treatment. Chin J. In North America, the incidence of nontuberculous mycobacterial lung disease is rising, particularly among the elderly. Listeriosis is a rare but serious infection caused due to the consumption of contaminated food. (For more information on these disorders, choose the specific disorder name as your search term in the Rare Disease Database.). Bacterial lung infection may involve just one small section of your lung, or it may encompass your entire lung. Int J Mol Sci. Some patients may also develop a skin rash or other forms of skin irritation. Treatment should be continued for 12 months after sputum cultures change from positive for infection to negative. Granuloma Inguinale. NTM infections have traditionally been classified into rapidly growing and slowly growing mycobacteria. Arikayce is manufactured by Insmed, Inc. Infiltrates can accumulate in the lungs particularly in the right middle lobe or the lingula, a small tongue-like projection from the upper left lobe of the lungs. Pneumonia. Individuals with certain immune defects, including interferon gamma receptor deficiencies, auto-antibodies to interferon gamma, STAT-1 deficiency and GATA2 deficiency also have increased risk of developing NTM, including disseminated disease. 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