Introduction: Simultaneous pancreas-kidney (SPK) transplantation is the best therapeutic option for correctly selected diabetic patients with advanced chronic kidney disease (CKD).
Objectives: The objectives of this study were to quantify in a Spanish province the prevalence and incidence of type 1 and 2 diabetics with stage IV-V CKD who are potential candidates for SPK, and to analyze the selection for SPK in clinical practice.
Materials and methods: All patients with diabetic neuropathy (DN) in predialysis, hemodialysis, or peritoneal dialysis (PD) in our transplantation referral area (population, 1.8 million; data collection ended December 7, 2005) were examined for basic SPK criteria (NTO 2005 Consensus). A new assessment was performed 9 months later, including new possible recipients, and patients were classified as: follows in study, excluded after study, added to SPK waiting list, or SPK-transplanted.
Results: In 2005, there were 1371 patients in dialysis or predialysis, including 179 (13%) with DN (41 type 1 and 138 type 2 DM); only 16 of these patients (8.9% of DN patients), 8.9 per million population (PMP), met the basic criteria for SPK transplantation. There were 68 with DN in predialysis, including 8 (11.7%) possible SPK candidates; 7 with DN in PD, no candidates for SPK; and 104 patients with DN in hemodialysis, including 8 (7.2%) SPK candidates. After 9 months, 7 new potential candidates were identified (incidence of 5.1 PMP/y). Of 23 possible candidates, 3 refused SPK, 7 awaited completion of study, 8 were excluded after study, 1 was on the SPK waiting list, and 7 underwent SPK transplantation.
Conclusions: In our setting, approximately 9% of DN patients with stage IV-V CKD were potential SPK candidates in 2005 and 2006. After completion of studies, less than half were eventually included on the waiting list, generating an effective demand for SPK of 2-4 new patients PMP/y.