E Cucchi

IRCCS Multimedica, Milano, Lombardy, Italy

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Publications (8)20.42 Total impact

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    ABSTRACT: There are now a variety of methods to assess body fat distribution, anthropometric (waist circumference and waist/hip W/H ratio), computed tomography (CT), and ultrasound (US) measurements, with CT considered as the reference method. Bariatric surgery leads to a significant and usually durable weight loss in morbidly obese patients; when assessing its results, it is of interest to measure changes of total fat tissue and of body fat distribution. In this study, we compared anthropometric, US, and CT measurements of body fat distribution under basal conditions and 1 year after laparoscopic adjustable gastric banding (LAGB); 120 morbidly obese patients were considered at baseline, and 40 patients were re-evaluated 1 year after LAGB. Thickness of visceral and subcutaneous fat measured through CT and US methods was superimposable both under basal conditions and 1 year after LAGB, and the highest correlation was found between CT and US data on visceral fat, followed by CT and US data on subcutaneous fat; a fair correlation was also found between CT and US data on visceral fat and waist circumference. We suggest that evaluation of body fat distribution is accomplished by US instead of CT measurement, because of its lower cost and low exposure risk. Waist circumference stands as a reasonable surrogate of both methods, while W/H ratio is poorly correlated with other measures of body fat distribution.
    Obesity Surgery 11/2002; 12(5):648-51. · 3.10 Impact Factor
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    ABSTRACT: Weight loss ameliorates arterial hypertension and glucose metabolism in obese patients, but the dietary approach is unsatisfactory because obesity relapses. Durable reduction of body weight, obtained through major nonreversible surgical procedures, such as jejunal and gastric bypass, allows improvement of glucose metabolism and arterial blood pressure in morbid (grade 3) obesity. Laparoscopic adjustable gastric banding (LAGB) is a minimally invasive and reversible surgical procedure that yields a significant reduction of gastric volume and hunger sensation. In this study, 143 patients with grade 3 obesity [27 men and 116 women; age, 42.9 +/- 0.83 yr; body mass index (BMI), 44.9 +/- 0.53 kg/m(2); normal glucose tolerance (NGT; n = 77); impaired glucose tolerance (IGT; n = 47); type 2 diabetes mellitus (T2DM; n = 19)] underwent LAGB and a 3-yr follow-up for clinical (BMI, waist circumference, waist to hip ratio, and arterial blood pressure) and metabolic variables (glycosylated hemoglobin, fasting insulin and glucose, insulin and glucose response to oral glucose tolerance test, homeostasis model assessment index, total and high-density lipoprotein cholesterol, triglycerides, uric acid, and transaminases). At baseline and 1 yr after LAGB, patients underwent computerized tomography and ultrasound evaluation of visceral and sc adipose tissue. One-year metabolic results were compared with 120 obese patients (51 men and 69 women; age, 42.9 +/- 1.11 yr; BMI, 43.6 +/- 0.46 kg/m(2); NGT, n = 66; IGT, n = 8; T2DM, n = 46) receiving standard dietary treatment. LAGB induced a significant and persistent weight loss and decrease of blood pressure. Greater metabolic effects were observed in T2DM patients than in NGT and IGT patients, so that at 3 yr glycosylated hemoglobin was no longer different in NGT and T2DM subjects. Clinical and metabolic improvements were proportional to the amount of weight loss. LAGB induced a greater reduction of visceral fat than sc fat. At 1-yr evaluation, weight loss and metabolic improvements were greater in LAGB-treated than diet-treated patients. We conclude that LAGB is an effective treatment of grade 3 obesity in inducing long-lasting reduction of body weight and arterial blood pressure, modifying body fat distribution, and improving glucose and lipid metabolism, especially in T2DM.
    Journal of Clinical Endocrinology &amp Metabolism 09/2002; 87(8):3555-61. · 6.43 Impact Factor
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    European Journal of Endocrinology 01/2000; 141(6):655-6. · 3.14 Impact Factor
  • La radiologia medica 06/1998; 95(5):529-31. · 1.46 Impact Factor
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    ABSTRACT: The methods to measure intraabdominal fat amount and to distinguish visceral from subcutaneous fat are useful and needed because visceral obese people are at risk of developing cardiovascular disorders. We investigated US capabilities in measuring intraabdominal fat thickness and distribution distinguishing visceral from subcutaneous fat. The results were compared with those obtained with CT, the gold standard, and with the waist-hip ratio (W/H). Thirty obese women admitted to the Internal Medicine I Department, Ospedale S. Raffaele (Milan, Italy) were examined. The patients, aged 18-60 years and with BMI ranging 29.0-47.3, were submitted to consecutive double blind measurements with US and CT. The following anthropometric values were compared for every patient: W/H, US visceral/subcutaneous thickness, CT visceral/subcutaneous thickness, CT visceral area, CT subcutaneous adipose area and CT visceral/subcutaneous adipose area. The classification of visceral obesity by W/H (> .85) was confirmed by CT visceral/subcutaneous adipose area (> .491). The W/H correlated significantly with CT visceral/subcutaneous adipose thickness and CT visceral/subcutaneous adipose area (r = .52, p < .004; r = .51, p < .004), but not with US visceral/subcutaneous adipose thickness (r = .42, p < .06). Significant correlations were found between Ct visceral/subcutaneous adipose area and with both US and CT visceral/subcutaneous adipose thickness (r = .59, p < .006; = .71, p < .0001). A high correlation was found between US visceral/subcutaneous adipose thickness and CT visceral/subcutaneous adipose thickness (r = .96, p < .0001). Analyzing the results of the different methods, we conclude that US can always be used to study abdominal fat amount and distribution in obese women because this method exhibits significant correlations with CT, the gold standard. The W/H is not sufficient to distinguish visceral from subcutaneous intraabdominal fat.
    La radiologia medica 10/1997; 94(4):329-34. · 1.46 Impact Factor
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    ABSTRACT: In the present study, following a double-blind, double placebo protocol vs. placebo, we compared the hypotonic effect of intranasal and intravenous glucagon during a double-contrast barium meal examination of the stomach. We found a statistically significant difference between placebo and intranasal or intravenous glucagon in inducing gastric hypomotility, with no significant differences between IN and IV glucagon. The intranasal administration of glucagon has the advantage of being noninvasive and well tolerated by the patients, and might be a valuable aid in upper gastrointestinal examination as well as in CT scan or magnetic resonance imaging of the abdomen.
    Abdominal Imaging 01/1995; 20(1):44-6. · 1.91 Impact Factor
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    ABSTRACT: Graft rejection is the major cause of graft loss following pancreatic transplantation. Early detection of the rejection process is of great importance towards planning effective treatment when transplant recipients present with aspecific clinical findings suggesting rejection. Up to date, the demonstration of pancreatic transplant rejection has been attempted with nuclear medicine and sonography (US). The authors studied high-field (1.5 T) MR potentials in pancreatic transplantation and rejection and correlated MR findings with clinical and laboratory data. Eleven MR scans were obtained from 4 patients with suspected pancreatic graft rejection, and 9 MR images from 4 patients with normal pancreatic allografts. Qualitative image evaluation showed the pancreatic tissue of the patients diagnosed with rejection to be hypointense on T1-weighted scans and highly hyperintense on T2-weighted scans, as compared to normal grafts. Quantitative data were obtained by comparing the signal intensity of pancreatic grafts to that of the nearby muscle. On both T1- and T2-weighted images, pancreatic tissue/muscle signal-intensity ratios were significantly different, in rejecting transplants, from those of normal allografts (p less than 0.001). Our qualitative and quantitative findings suggest the use of MR imaging as a reliable means of detecting pancreatic graft rejection.
    La radiologia medica 11/1989; 78(4):324-8. · 1.46 Impact Factor
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    ABSTRACT: We report the results of a comparative study of digital and conventional chest radiographs to detect normal anatomical structures of the thorax. A digital Toshiba unit (TCR 201) was used to examine 100 selected patients who were diagnosed with no chest pathologic conditions. The images in both modes were submitted for interpretation to five radiologists. The depiction of nine normal anatomical structures was more accurate on digital than on conventional radiographs. The mean confidence levels achieved in viewing digital images were higher than those obtained with conventional radiographs. This difference was statistically significant (p = 0.002).
    La radiologia medica 07/1989; 77(6):621-5. · 1.46 Impact Factor