Globally, 25% of the population is infected with tuberculosis, which poses a leading cause of death worldwide. The transmission of tuberculosis (TB) during organ transplant is reported in the literature whereas only one report has been published on the transmission of TB, during bone allograft transplantation. In the US, in May 2021, an outbreak of TB occurred in patients undergoing spine surgery with bone allograft. This bone graft was retrieved from 80 years deceased donor with latent TB, which was not diagnosed earlier. The recipients were started with a long course of anti-tuberculous drugs. This review narrates the pathway of TB spread among transplant recipients and the strategies to be followed while performing organ or tissue transplantation. 

Bone graft tuberculosis outbreak in USA: Is it a concern in India?

Systematic contact investigation: an essential infection prevention skill to prevent tuberculosis transmission in healthcare settings.

<title>Abstract</title> <bold>Background:</bold> The transplantation of human organs, and some human tissues, is often the only life-saving therapy available for serious and life-threatening congenital, inherited, or acquired diseases.<bold> </bold>However, it is associated with a risk of transmission of communicable diseases from donor to recipient. It is imperative to understand the characteristics of the donor population to inform policies that protect recipient safety. The Tissue and Organ Donor Epidemiology Study (TODES) was a pilot project designed to identify and collect standardized information on deceased persons referred for organ, tissue, and/or eye donation, and to estimate (to the extent possible) infectious disease prevalence and incidence of HIV, HBV, and/or HCV in this population. TODES is summarized here to shed light on addressable limitations on accessing data needed for transplant recipient safety. Limitations, future research needs, and potential pathways to solve the remaining data needs are explored. <bold>Methods: </bold>Retrospective data for all deceased donors during a 5-year period from 2009 to 2013 were obtained from participating organ procurement organizations (OPOs), tissue establishments, and eye banks. These decedent data on actual donors and potential donors were used to ascertain whether the available real-world data (RWD) could be used to inform donor screening and testing policy. <bold>Results: </bold>The TODES database contains 291,848 records received from nine OPOs and 42,451 records received from four eye banks.<bold> </bold>Data were analyzed from deceased donors with at least one organ, tissue, or ocular tissue recovered with the intent to transplant. Results for potential donors were not analyzed.<bold> </bold>Available RWD at the time of the TODES study were not fit-for-purpose to help characterize the organ- and tissue eye donor populations and/or to inform donor screening policy. <bold>Conclusions: </bold>Recent advances in electronic data collection systems make it more realistic to now collect fit-for-purpose RWD that address the research needed to improve transplant safety.

Real-world data to improve Organ and Tissue Donation Policies: Lessons learned from the Tissue and Organ Donor Epidemiology Study

Abstract After two multistate outbreaks of allograft tissue‐transmitted tuberculosis (TB) due to viable bone, evidence‐based donor screening criteria were developed to decrease the risk of transmission to recipients. Exclusionary criteria, commentary, and references supporting the criteria are provided, based on literature search and expert opinion. Both exposure and reactivation risk factors were considered, either for absolute exclusion or for exclusion in combination with multiple risk factors. A criteria subset was devised for tissues containing viable cells. Risk factors for consideration included exposure (e.g., geographic birth and residence, travel, homelessness, incarceration, healthcare, and workplace) and reactivation (e.g., kidney disease, liver disease, history of transplantation, immunosuppressive medications, and age). Additional donor considerations include the possibility of sepsis and chronic illness. Donor screening criteria represent minimal criteria for exclusion and do not completely exclude all possible donor TB risks. Additional measures to reduce transmission risk, such as donor and product testing, are discussed but not included in the recommendations. Careful donor evaluation is critical to tissue safety. 

The American Association of Tissue Banks tissue donor screening for Mycobacterium tuberculosis—Recommended criteria and literature review

Abstract Background The transplantation of human organs, and some human tissues, is often the only life-saving therapy available for serious and life-threatening congenital, inherited or acquired diseases. However, it is associated with a risk of transmission of communicable diseases from donor to recipient. It is imperative to understand the characteristics of the donor population (including both potential and actual donors) to inform policies that protect recipient safety. The Tissue and Organ Donor Epidemiology Study (TODES) was a pilot project designed to identify and collect standardized information on deceased persons referred for organ, tissue and/or eye donation, and to estimate (to the extent possible) infectious disease prevalence and incidence of human immunodeficiency virus (HIV), hepatitis B virus (HBV) and hepatitis C virus (HCV) in this population. TODES is summarized here to shed light on addressable limitations on accessing data needed for transplant recipient safety. Limitations, future research needs and potential pathways to solve the remaining data needs are explored. Methods Retrospective data for all deceased donors during a 5-year period from 2009 to 2013 were obtained from participating organ procurement organizations (OPOs), tissue establishments and eye banks. These decedent data were used to ascertain whether the available real-world data (RWD) could be used to inform donor screening and testing policy. Results The TODES database contains 291 848 records received from nine OPOs and 42 451 records received from four eye banks. Data were analysed from deceased donors with at least one organ, tissue or ocular tissue recovered with the intent to transplant. Results for potential donors were not analysed. Available RWD at the time of the TODES study were not fit-for-purpose to help characterize the organ, tissue and eye donor populations and/or to inform donor screening policy. Conclusions Recent advances in electronic data collection systems make it more realistic to now collect fit-for-purpose RWD that address the research needed to improve transplant safety. 

Real-world data to improve organ and tissue donation policies: lessons learned from the tissue and organ donor epidemiology study

A nationwide tuberculosis outbreak linked to a viable bone allograft product contaminated with Mycobacterium tuberculosis was identified in June 2021. Our subsequent investigation identified 73 healthcare personnel with new latent tuberculosis infection following exposure to the contaminated product, product recipients, surgical instruments, or medical waste.

https://academic.oup.com/cid/advance-article-pdf/doi/10.1093/cid/ciad029/49158959/ciad029.pdf

Transmission of Mycobacterium tuberculosis to healthcare personnel resulting from contaminated bone graft material, United States, June 2021- August 2022.

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Transmission of Mycobacterium tuberculosis to healthcare personnel resulting from contaminated bone graft material, United States, June 2021- August 2022.