Background. Orthostatic hypotension (OH) is a poorly understood complication of simultaneous pancreas–kidney (SPK) transplantation. We sought to determine the incidence, timing, and relationship of OH to rapid glycemic control in the early posttransplant period. Methods. This was a nonrandomized retrospective single-center review of 75 SPK and 19 kidney-alone (KA) recipients with type 1 diabetes (DM). Results. OH occurred in 57 (76%) SPK versus 2 (10%) KA recipients (odds ratio [OR] 61.72, 95% confidence interval [CI], 9.69-393.01; P < 0.001). The median onset of OH was 12 (interquartile range [IQR] 9–18) days posttransplant and resolved in 85% of SPK recipients after a median of 2.5 (IQR 1.2–6.3) months. Among SPK recipients, independent risk factors for OH were a shorter duration of DM (OR 0.85, 95% CI, 0.73-0.98; P = 0.03) and rapid glycemic control in the early posttransplant period (OR 1.13, 95% CI, 1.01-1.27; P = 0.04), as evidenced by a larger percent change in hemoglobin A1c (HbA1c) from transplant to month 3. OH patients had a higher median baseline HbA1c [8.3% (IQR 7.2–10.0) versus 7.1% (IQR 6.8–8.3); P = 0.07], lower median 3-month HbA1c [4.8% (IQR 4.6–5.2) versus 5.2% (IQR 5.0–5.4); P = 0.02], and a larger reduction in HbA1c over time as compared to recipients without OH (P < 0.01). Conclusions. Our results show that OH is more likely to occur following SPK versus KA transplantation and is strongly associated with rapid glucose normalization within the early posttransplant period.

Original languageEnglish (US)
Article numbere795
Pages (from-to)e795
JournalTransplantation Direct
Issue number12
StatePublished - Dec 2021

ASJC Scopus subject areas

  • Transplantation


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