Deadly bacterial infection affects 2 in US post lung transplant: CDC

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Last Updated on September 18, 2023 by Urmimala Sengupta

New York, Sep 18 (IANS) Two people in the US, who underwent lung transplantation, have been infected with a deadly bacteria, according to the Centers for Disease Control and Prevention. 

Legionnaires disease is a severe pneumonia caused by Legionella bacteria. Comorbidities, including recent organ transplantation, increase the risk for infection.

The CDC in its latest Morbidity and Mortality Weekly Report (MMWR) detailed two cases of Legionnaires disease from Pennsylvania in June 2022 in patients who received a lung transplant from the same donor.

The donor, a man aged 30-39 years, died after drowning in a river, raising suspicion of potential donor-derived transmission, because Legionella bacteria naturally live in freshwater.

The first Legionnaires disease case was identified in a woman aged 70-79 years who received a right lung transplant in May 2022. Nine days after transplantation, the patient’s laboratory results revealed an elevated white blood cell count and acute anaemia, which prompted imaging studies.

A computed tomography (CT) scan identified dense consolidation in the middle lobe of the donor lung, which evolved into a cavitary lesion during the subsequent week. After treatment the patient fully recovered.

The second case occurred in a man aged 60-69 years (patient B) who received a left lung transplant on the same day and from the same donor.

Patient B experienced multiple postoperative complications, including the need for extracorporeal membrane oxygenation and renal replacement therapy, and he received antibiotic treatment with doxycycline starting on postoperative day 15.

A nonspecific sign that might represent infection were noted in the donor lung after a CT scan performed 24 days after transplantation. Although the patient experienced an initial clinical recovery, after a prolonged hospital stay, he died approximately six months after the transplant surgery due to respiratory failure secondary to a mucous plug.

Doctors also tested three other people who received heart, liver, and right kidney, from the same donor, but they remained free of the bacteria.

After learning about the infections, the Pennsylvania Department of Health went on the hunt for the source of the bacteria.

The department tested the water at the hospital where the transplant operations were done but did not find any evidence of Legionella. But the presence of different Legionella species in the two patients can potentially be explained by infections derived from the donor’s exposure to river water, which might contain a larger diversity of Legionella species compared with potable water, they said.

Legionella bacteria are found naturally in freshwater environments, can survive under a wide range of environmental conditions, and typically grow best in warm water at temperatures of 25 degrees Celsius – 45 degrees Celsius.

An effective water management programme, along with strict adherence to infection control guidance, remain the best means to prevent health care-associated Legionnaires disease.

Although solid organ transplantation is known to increase the risk for infection with Legionella, likely due to required immunosuppressive therapy, transmission via the organs themselves has not previously been reported. As with all infections in transplant recipients, prompt identification is critical to limit morbidity and mortality, the report said.

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Last Updated on September 18, 2023 by Urmimala Sengupta

Disclaimer: Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can futher read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

Last Updated on September 18, 2023 by Urmimala Sengupta

Disclaimer: Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can futher read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

Last Updated on September 18, 2023 by Urmimala Sengupta

Disclaimer: Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can futher read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

Last Updated on September 18, 2023 by Urmimala Sengupta

Disclaimer: Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can futher read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

Last Updated on September 18, 2023 by Urmimala Sengupta

Disclaimer: Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can futher read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

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Last Updated on September 18, 2023 by Urmimala Sengupta

Disclaimer: Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can futher read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

Last Updated on September 18, 2023 by Urmimala Sengupta

Disclaimer: Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can futher read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

Last Updated on September 18, 2023 by Urmimala Sengupta

Disclaimer: Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can futher read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

Last Updated on September 18, 2023 by Urmimala Sengupta

Disclaimer: Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can futher read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

Last Updated on September 18, 2023 by Urmimala Sengupta

Disclaimer: Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can futher read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

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