Clinical research
Peripheral blood lymphocyte subsets (CD4+, CD8+ T cells), leptin level and weight loss after laparoscopic greater curvature plication in morbidly obese patients
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Submission date: 2013-05-31
Final revision date: 2013-09-26
Acceptance date: 2013-10-23
Online publication date: 2014-10-23
Publication date: 2014-10-31
Arch Med Sci 2014;10(5):886-890
Introduction: The aim of the study was to detect the effect of laparoscopic greater curvature plication (LGCP) on peripheral blood lymphocyte subsets (helper and cytotoxic T lymphocytes – CD4+ and CD8+ T cells respectively), leptin level and weight loss in morbidly obese patients.
Material and methods: Morbidly obese patients (n = 20, age range: 25–50 years, body mass index (BMI) range: 37–45 kg/m2) who underwent LGCP were enrolled in a prospective study to determine the percentages of their peripheral blood T cells (CD4+ and CD8+) before and 4 months postoperatively using flow cytometry. Also, the level of their leptin before and 4 months postoperatively was established using enzyme-linked immunosorbent assay (ELISA). The data are expressed as the percentage of total lymphocytes ± the standard error of the mean.
Results: A decrease in the BMI and loss of weight (31.20 ±1.2%) were confirmed 4 months postoperatively since BMI was 44.71 ±4.3 (range: 37–45) kg/m2 preoperatively, and decreased to 31.80 ±1.1 (range: 24–33) kg/m2 after surgery. The mean percentage of CD4+ and CD8+ T lymphocytes significantly decreased postoperatively (38.2 ±1.5 before and 29.3 ±2.6 after operation for CD4+, 17.3 ±1.8 preoperatively and 9.5 ±1.7 postoperatively for CD8+, p < 0.05). The mean leptin level was 43.01 ±22.01 preoperatively while postoperatively it was 24.8 ±11.1 (p < 0.05), so the leptin level substantially decreased compared to its preoperative values.
Conclusions: This study found that weight loss after LGCP in morbidly obese patients led to decreases in levels of leptin and circulating immune cells compared to their preoperative values.
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