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Human Pancreatic Islet Isolation: Part II: Purification and Culture of Human Islets
Published on: May 26, 2009
Initial experience using histidine-tryptophan-ketoglutarate solution in clinical pancreas transplantation
Santosh Potdar1, Sayeed Malek, Bijan Eghtesad
1Division of Transplantation Surgery, University of Pittsburgh and the Thomas E. Starzl Transplantation Institute, Pittsburgh, PA 15213-3236, USA.
Background:
The colloid-based University of Wisconsin (UW) preservation solution has been used extensively in clinical pancreas transplantation. Experimental studies support the use of the crystalloid-based histidine-tryptophan-ketoglutarate (HTK) preservation solution for this purpose.
Aim:
We report our initial experience with HTK for pancreas allograft preservation and compare this to a contemporary experience with UW solution in conventional multiorgan deceased donors (<50 yr).
Materials And Methods:
Retrospectively collected information on 33 pancreas transplants between September 2001 and October 2002 were analyzed for early graft function and complications up to 30 d after procurement and storage in either HTK or UW solutions. During multi-organ recovery, either UW solution (4-5 L) or HTK solution (8-10 L) was used for aortic perfusion and subsequent back-table flush and storage. Exocrine drainage of 31 pancreas allografts was enteric, while the bladder was used for drainage in two cases. Patient outcomes were analyzed according to the preservation solution used. Sixteen pancreata were used in combination with a kidney allograft (SPK), seven were used in patients after prior kidney transplantation (PAK), while 10 were used in patients who were not in renal failure (PTA).
Results:
The UW group consisted of 17 patients (10 SPK, three PAK, four PTA) with a mean donor age of 29.5 +/- 10.7, and a mean cold ischemia time of 15.1 +/- 2.1 h. The mean post-transplant pancreas and kidney function on days 1 and 10 were amylase (315 and 99 IU/L), lipase (1727 and 346 IU/L), glucose (121 and 100 mg/dL) and creatinine (5.01 and 1.77 mg/dL). Patient and graft survival was 100% at 1-month post transplant. In the HTK group there were 16 patients (six SPK, four PAK, six PTA) with a mean donor age 21.9 +/- 5.7 and a mean cold ischemia time 14.0 +/- 1.3 h. The mean post-transplant pancreas and kidney function on days 1 and 10 were amylase (588 and 126 IU/L), lipase (4711 and 441 IU/L), glucose (97 and 109 mg/dL) and creatinine (5.28 and 2.42 mg/dL). Patient survival was 100% while graft survival was 94% at 1-month post-transplant.
Conclusions:
Early graft function and complications are comparable with HTK and UW solutions for pancreas allograft preservation.
