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עמוד בית
Thu, 02.02.23

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April 2022
Noa Gal MD, Elena Didkovsky MD, Emmilia Hodak MD, and Batya B Davidovici MD

Background: Solid organ transplant recipients (SOTRs) are at increased risk for both skin and internal malignancies (IM). The risk of IM after the occurrence of non-melanoma skin cancer (NMSC) has been studied in the general population but very little is known about this association in SOTRs.

Objectives: To evaluate the risk of IM following a prior diagnosis of post transplantation NMSC in SOTRs.

Methods: This single center retrospective cohort study included a study population of 329 SOTRs from Rabin Medical Center who had a post-transplant diagnosis of skin malignancy, internal malignancy, or both from 2012 to 2018.

Results: In total, 135 (41.03%) SOTRs were diagnosed with IM without a preceding diagnosis of NMSC while only 42 (12.76%) patients diagnosed with IM had a preceding diagnosis of NMSC. SOTRs with a diagnosis of NMSC showed a significantly decreased risk of developing subsequent IM (hazard ratio [HR] 0.64, 95% confidence interval [95%CI] 0.44–0.94, P = 0.02) compared to those without a prior NMSC diagnosis. Liver and lung transplant patients showed a significantly decreased risk of developing subsequent IM after a diagnosis of NMSC (HR 0.09 and 0.43, respectively). When stratified by type of IM, only patients who were diagnosed with a hematological malignancy had a significantly lower risk of developing this malignancy if they had a prior NMSC (HR 0.26).

Conclusions: The findings of this study suggest a protective effect of NMSC on subsequent IM in the organ transplant population.

September 2017
Jonathan Cohen MD, Ruth Rahamimov MD, Aaron Hoffman MD, Eyal Katvan PhD, Kyril Grozovski RN and Tamar Ashkenazi PhD

Background: Strategies aimed at expanding the organ donor pool have been sought, which has resulted in renewed interest in donation after cardio-circulatory death (DCCD), also known as non-heart beating donors (NHBDs).

Objectives: To describe the derivation and implementation of a protocol for DCCD in Israel and report on the results with the first six cases. 

Methods: After receiving approval from an extraordinary ethics committee, Ministry of Health, the steering committee of the National Transplant Center defined and reached consensus on the unique challenges presented by a DCCD program. These protocol included medical aspects (construction of a clinical pathway), social and ethical aspects (presentation of the protocol at a public gathering(, legal/ethical aspects (consent for organ preservation procedures being either implied if the donor had signed an organ donor card or received directly from a surrogate decision maker), and logistical aspects (pilot study confined to kidney retrieval and to four medical centers). Data regarding organ donors and recipients were recorded.

Results: The protocol was implemented at four medical centers. Consent for organ donation was received from four of the six potential donors meeting criteria for inclusion, in all cases, from a surrogate decision maker. Of the eight kidneys retrieved, only four were suitable for transplantation, which was carried out successfully for four recipients. Graft function remained normal in all cases in 6–12 months follow-up. 

Conclusions: The DCCD program was successfully implemented and initial results are encouraging, suggesting that expansion of the program might further aid in decreasing the gap between needs and availability of organs.

 

June 2015
Jonathan Cohen MD, Yael Bistritz RN and Tamar Ashkenazi RN PhD

Background: The number of patients awaiting organ transplantation continues to exceed the number of available organs. 

Objectives: To document changes in the demographic characteristics of brain-dead, heart-beating organ donors over the past 10 years which may impact on organ utilization. 

Methods: Data were extracted from the Israel Transplant Registry and the Donor Action database for the 10 year period 2004–2013, inclusive. 

Results: The median age of the donors increased from 44 (range 3–73 years) to 53.5 years (range 1–79 years) (P < 0.001). There was a significant increase in the median age of donors of kidney (33 to 51 years, P < 0.001), liver (41 to 53 years, P < 0.001) and lung (40 to 49.5 years, P < 0.001). The number of donors dying from trauma decreased (34.5% to 20%, P < 0.001), while those with anoxic brain damage increased (14.5% to 25%, P < 0.001). The percent of male donors decreased over the study period, from 63% to 53%. An increase was noted in the mean number of organs transplanted per donor, from 3.29 to 3.82 per donor, due mainly to a significant increase in the utilization of lungs (31.5% to 51.3%, P < 0.001) and livers (76.3% to 82.4%, P < 0.001) while heart utilization decreased significantly since 2006 (40.9% to 17.5%, P < 0.001). 

Conclusion: Trends in the heart-beating, brain-dead organ donor pool in Israel over the past 10 years reveal significant changes in demographic characteristics which in the future will impact on the number of organs available for transplantation. 

 

April 2000
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