PMID: 22568271Jan 1, 2011Paper

High levels of leptin modulate esophageal motor characteristics in type 2 diabetic patients

Romanian Journal of Internal Medicine = Revue Roumaine De Médecine Interne
J X JorgeC C Almeida

Abstract

Leptin regulates gastric and intestinal motility, but its effect on oesophageal motility is unknown. We analyzed oesophageal manometric characteristics in diabetics with elevated leptin. Fasting blood leptin levels were measured in 32 type 2 individuals aged from 39-81 years. An oesophageal stationary manometry was then performed. Each manometric door (P) registered one third of the oesophageal activity. Results are presented as mean +/- SD. Twenty-one subjects had elevated leptin (HLL) while 11 displayed normal levels (NLL). Peristaltic wave distributions (%) in NLL vs. HLL were 79.4 +/- 26.3 vs. 88.6 +/- 8.3 (p = 0.2). Simultaneous and retrograde waves showed similar trends. Non-transmitted waves were 16.1 +/- 26.5 vs. 4.6 +/- 4.5% (p < 0.05). Amplitudes in NLL vs. HLL (in mm Hg) were P1: 30.2 +/- 10.8 vs. 33.2 +/- 11.7 (p = 0.4), P2: 38.4 +/- 14.4 vs. 58.0 +/- 21.2 (p = 0.01), P3: 42.4 +/- 14.4 vs. 64.7 +/-2 8.3 (p < 0.006), and average amplitudes: 37.1 +/- 12.1 vs. 52.1 +/- 17.6 (p = 0.01). Wave average upstroke (in mm Hgs) was P1: 25.6 +/- 19.1 vs. 23.3 +/- 10.1 (p = 0.6), P2: 26.8 +/- 10.7 vs. 36.2 +/- 11.6 (p < 0.03), and P3: 25.5 +/- 9.1 vs. 34.1 +/- 16.3, (p < 0.06). Wave maximum upstroke was P1: 39.0 +/- 18.6 vs. 40.5...Continue Reading

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