Fasting blood sample-based assessment of insulin sensitivity in kidney-pancreas-transplanted patients

Gianluca Perseghin, Andrea Caumo, Lucia Piceni Sereni, Alberto Battezzati, Livio Luzi

Research output: Contribution to journalArticle

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Abstract

OBJECTIVE - To ascertain whether simple indexes of insulin sensitivity based on a fasting blood sample may be reliable measures of insulin sensitivity in combined kidney-pancreas-transplanted patients. RESEARCH DESIGN AND METHODS - Estimates of insulin sensitivity based on fasting plasma glucose, insulin (homeostasis model assessment of insulin sensitivity [HOMA-IS], Quantitative Insulin Sensitivity Check Index [QUICKI]), and free fatty acid (revised QUICKI) concentrations were compared with insulin sensitivity as assessed with the gold standard tech-nique (euglycemic-hyperinsulinemic clamp) in 22 patients who had undergone kidney-pancreas transplantation (KP-Tx) and 18 matched healthy subjects (NOR). RESULTS - In KP-Tx patients, indexes based on the glucose-insulin product, HOMA-IS (r = 0.47, P = 0.03) and QUICKI (r = 0.47, P = 0.03), were shown to be reliable measures of insulin sensitivity. The introduction of fasting plasma free fatty acid concentration in the revised QUICKI (r = 0.76, P <0.0001) considerably improved the power of prediction of the clamp-based measure of insulin sensitivity as observed in the healthy control subjects (r = 0.83, P <0.0001). CONCLUSIONS - This study shows that in KP-Tx patients, HOMA-IS and QUICKI are reliable measures of insulin sensitivity; the additional incorporation of fasting plasma free fatty acid concentration into the glucose-insulin product (revised QUICKI) resulted in a considerably more powerful index.

Original languageEnglish
Pages (from-to)2207-2211
Number of pages5
JournalDiabetes Care
Volume25
Issue number12
DOIs
Publication statusPublished - Dec 2002

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Insulin Resistance
Pancreas
Fasting
Kidney
Nonesterified Fatty Acids
Homeostasis
Insulin
Glucose
Healthy Volunteers
Pancreas Transplantation
Glucose Clamp Technique
Kidney Transplantation
Research Design

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Internal Medicine

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Fasting blood sample-based assessment of insulin sensitivity in kidney-pancreas-transplanted patients. / Perseghin, Gianluca; Caumo, Andrea; Sereni, Lucia Piceni; Battezzati, Alberto; Luzi, Livio.

In: Diabetes Care, Vol. 25, No. 12, 12.2002, p. 2207-2211.

Research output: Contribution to journalArticle

Perseghin, Gianluca ; Caumo, Andrea ; Sereni, Lucia Piceni ; Battezzati, Alberto ; Luzi, Livio. / Fasting blood sample-based assessment of insulin sensitivity in kidney-pancreas-transplanted patients. In: Diabetes Care. 2002 ; Vol. 25, No. 12. pp. 2207-2211.
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