Pre-operative ankle-brachial index for cardiovascular risk assessment in simultaneous pancreas–kidney transplant recipients: a simple and elegant strategy!

Hau, Hans-Michael; Jahn, Nora; Brunotte, Maximilian; Wagner, Tristan; Rademacher, Sebastian; Branzan, Daniela; Sucher, Elisabeth; Seehofer, Daniel; Sucher, Robert

doi:10.1186/s12893-021-01159-6

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“…In our current analysis, we focus on the impact of the timing of surgical procedures on both the immediate and extended outcomes for patients and graft functionality. These particular findings and data have not been previously published [36][37][38][39][40][41][42][43][44].…”

Section: Discussionmentioning

confidence: 69%

Does Timepoint of Surgical Procedure Affect the Outcome in Simultaneous Pancreas–Kidney Transplantation? A Retrospective Single-Center Analysis over 20 Years

Hau,

Jahn,

Vlachos

et al. 2024

JCM

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Background: Sleep deprivation and disturbances in circadian rhythms may hinder surgical performance and decision-making capabilities. Solid organ transplantations, which are technically demanding and often begin at uncertain times, frequently during nighttime hours, are particularly susceptible to these effects. This study aimed to assess how transplant operations conducted during daytime versus nighttime influence both patient and graft outcomes and function. Methods: simultaneous pancreas–kidney transplants (SPKTs) conducted at the University Hospital of Leipzig from 1998 to 2018 were reviewed retrospectively. The transplants were categorized based on whether they began during daytime hours (8 a.m. to 6 p.m.) or nighttime hours (6 p.m. to 8 a.m.). We analyzed the demographics of both donors and recipients, as well as primary outcomes, which included surgical complications, patient survival, and graft longevity. Results: In this research involving 105 patients, 43 SPKTs, accounting for 41%, took place in the daytime, while 62 transplants (59%) occurred at night. The characteristics of both donors and recipients were similar across the two groups. Further, the rate of (surgical) pancreas graft-related complications and reoperations (daytime 39.5% versus nighttime 33.9%; p = 0.552) were also not statistically significant between both groups. In this study, the five-year survival rate for patients was comparable for both daytime and nighttime surgeries, with 85.2% for daytime and 86% for nighttime procedures (p = 0.816). Similarly, the survival rates for pancreas grafts were 75% for daytime and 77% for nighttime operations (p = 0.912), and for kidney grafts, 76% during the day compared to 80% at night (p = 0.740), indicating no significant statistical difference between the two time periods. In a multivariable model, recipient BMI > 30 kg/m2, donor age, donor BMI, and cold ischemia time > 15 h were independent predictors for increased risk of (surgical) pancreas graft-related complications, whereas the timepoint of SPKT (daytime versus nighttime) did not have an impact. Conclusions: The findings from our retrospective analysis at a big single German transplant center indicate that SPKT is a reliable procedure, regardless of the start time. Additionally, our data revealed that patients undergoing nighttime transplants have no greater risk of surgical complications or inferior results concerning long-term survival of the patient and graft. However, due to the small number of cases evaluated, further studies are required to confirm these results.

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