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Gambineri A, Repaci A, Patton L, Grassi I, Pocognoli P, Cognigni GE, Pasqui F, Pagotto U, Pasquali R. Prominent role of low HDL-cholesterol in explaining the high prevalence of the metabolic syndrome in polycystic ovary syndrome. Nutr Metab Cardiovasc Dis 2009; 19:797-804. [PMID: 19359152 DOI: 10.1016/j.numecd.2009.01.007] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2008] [Revised: 12/10/2008] [Accepted: 01/29/2009] [Indexed: 11/17/2022]
Abstract
BACKGROUND AND AIMS The main objective was to evaluate the prevalence of the metabolic syndrome in Caucasian women with PCOS, using either of the currently proposed definitions (NCEP/ATPIII, IDF and AHA/NHLBI) and, therefore, to estimate the concordance between these three classifications. Secondary objectives were to evaluate: i) which individual criterion of the metabolic syndrome is most strongly associated with PCOS; and ii) whether the severity of hyperandrogenemia, hyperinsulinemia and insulin resistance may influence the presence of the metabolic syndrome in PCOS women. METHODS AND RESULTS The metabolic syndrome was assessed in 200 Caucasian women with PCOS and in 200 Caucasian controls, matched for age and BMI, considering the NCEP/ATPIII, IDF and AHA/NHLBI definitions. PCOS women had an increased prevalence of the metabolic syndrome compared with controls: 32 versus 23% with the NCEP/ATPIII, 39 versus 25% with the IDF and 37 versus 24% with the AHA/NHLBI, respectively (Cohen's Kappa index between the three classifications, P < 0.001). Multivariate logistic regressions revealed that among the individual criteria of the metabolic syndrome, only low HDL-cholesterol levels were significantly associated with PCOS (P < 0.001) which, in turn, are related to insulin(AUC) (P = 0.029) but not to androgens. CONCLUSION This case-control study indicates a high prevalence of the metabolic syndrome in Caucasian PCOS women that is independent of the diagnostic classification used. Furthermore, it shows that low HDL-cholesterol is the criterion which best explains the high prevalence of the metabolic syndrome in PCOS subjects which, in turn, is influenced by hyperinsulinemia, rather than by hyperandrogenemia.
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Affiliation(s)
- A Gambineri
- Division of Endocrinology, Dept. of Internal Medicine, Centre for Applied Biomedical Research (C.R.B.A.), S. Orsola-Malpighi Hospital, University Alma Mater Studiorum of Bologna, Via Massarenti 9, 40138 Bologna, Italy
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Pignot G, Galiano M, Hajage D, Rouprêt M, Pasqui F, Chartier-Kastler E, Bitker MO, Richard F. [Nephron sparing surgery for renal tumors on a solitary kidney: oncological outcomes and long-term functional evolution]. Prog Urol 2009; 19:94-100. [PMID: 19168011 DOI: 10.1016/j.purol.2008.10.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2008] [Revised: 10/18/2008] [Accepted: 10/21/2008] [Indexed: 12/01/2022]
Abstract
OBJECTIVE Nephron sparing surgery raises the challenge of avoiding chronic haemodialysis for patients having malignancies on a solitary kidney. The aim of this study was to estimate the long term renal function, survival and risk of recurrence of patients undergoing elective nephron sparing surgery for renal cancer on a solitary kidney. MATERIAL AND METHODS Between January 1975 and December 2002, 37 elective nephron sparing surgery of kidney tumors were performed on 33 patients with a solitary kidney. Surgery was performed without interruption of blood flow. Pre- and postoperative renal function were compared by using a non parametric test of Kruskal and Wallis. Survival rates were estimated by the Kaplan Meier method and the prognostic factors were defined on a multivariate analysis using a Cox model. RESULTS Mean tumoral diameter was 4.6 cm [1.5-10]. The median follow-up was of 83 months. Three patients died in the postoperative period. The postoperative creatinine clairance was significantly lower than the preoperative value (p=0.01), but without significant variation of the renal dysfunction rate (p=0.18) and without significant decrease during the follow-up. No patient required chronic haemodialysis. Overall and disease-free survival rates at five and 10 years was 69 and 56.2%, and 55.8 and 27%, respectively. Multivariate analysis retained tumor size, Fuhrman grade and antecedent of controlateral cancer as independent prognostic factors in overall survival. CONCLUSION In our experience, even in the presence of bad prognostic factors, nephron sparing surgery allows a relative savings of the long term renal function. Taking in account the poor life expectancy of people around 60 being put on haemodialysis, all attempt should be made to perform nephron sparing surgery in patients having a cancer on a solitary kidney.
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Affiliation(s)
- G Pignot
- Service d'urologie et de transplantation, faculté de médecine Pierre-et-Marie-Curie, hôpital Pitié-Salpêtrière, Assistance publique-Hôpitaux de Paris, 47-83, boulevard de l'Hôpital, 75013 Paris, France.
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Colecchia A, Vestito A, La Rocca A, Pasqui F, Nikiforaki A, Festi D. Effect of a symbiotic preparation on the clinical manifestations of irritable bowel syndrome, constipation-variant. Results of an open, uncontrolled multicenter study. MINERVA GASTROENTERO 2006; 52:349-58. [PMID: 17108864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
AIM Irritable bowel syndrome (IBS) is frequently associated with an imbalance in intestinal bacteria. To date, few studies have evaluated the efficacy and safety of probiotic administration in patients with constipation-variant IBS. A new agent recently available in clinical practice is a symbiotic consisting of a probiotic, Bifidobacterium longum W11, and the short chain oligosaccharide prebiotic Fos Actilight. The aim of this study was to evaluate the efficacy and safety of this symbiotic in patients with constipation-variant IBS. METHODS A total of 636 patients (250 men, 386 women) diagnosed with constipation-type IBS according to the Roma II criteria were enrolled in 43 centers and received the symbiotic at a dose of 3 g/die for at least 36 days. A validated questionnaire investigating symptoms and stool frequency was administered before and after treatment. RESULTS Based on patient responses to visual scale items, frequency increased significantly after treatment in the ''no symptom'' class from 3% to 26.7% for bloating and from 8.4% to 44.1% for abdominal pain (P<0.0001). In the more severe symptoms classes (moderate-severe), symptom frequency dropped significantly from 62.9% to 9.6% and from 38.8% to 4.1% for bloating and abdominal pain, respectively. Stool frequency significantly increased from 2.9+/-1.6 times/week to 4.1+/-1.6 times/ week. CONCLUSIONS The study product can increase stool frequency in patients with constipation-variant IBS and reduce abdominal pain and bloating in those with moderate-severe symptoms.
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Affiliation(s)
- A Colecchia
- Department of Internal Medicine and Gastroenterology, University of Bologna, Bologna, Italy.
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Pasqui F, Mastrodonato L, Ceccarelli F, Scrivo R, Magrini L, Riccieri V, Di Franco M, Gentili M, Valesini G, Spadaro A. [Occupational therapy in rheumatoid arthritis: short term prospective study in patients treated with anti-TNF-alpha drugs]. Reumatismo 2006; 58:191-8. [PMID: 17013435 DOI: 10.4081/reumatismo.2006.191] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE To assess the effect of occupational therapy (OT) in rheumatoid arthritis (RA) patients treated with anti-TNF-alpha drugs in a short-term open controlled prospective study. METHODS 31 RA subjects [(M/F=5/26; mean age= 56 (range=28-73) years; mean disease duration= 165 (range =15-432) months], treated with anti- TNF-alpha drugs, were allocated to OT (n=15) or control (n=16) group. We evaluated at entry and 12 weeks the following outcome parameters including Health Assessment Questionnaire (HAQ), Short-Form Health Survey (SF-36), Global Health (GH), Ritchie index, number of swollen or tender joints, pain, patient and physician disease activity, Disease Activity Score (DAS28), erythrocyte sedimentation rate (ESR), C-reactive protein CRP) and the correct adherence to items regarding activity daily living (ADL). RESULTS At baseline, OT and control group had similar demographic and clinical features. After 12 weeks, the changes from baseline of main outcome parameters were not significantly different between the two groups. After 12 weeks, in 7 out of 11 items regarding ADL, the percentage of patients showing a correct adherence was significantly increased in OT group only. Moreover at the end of the study, the OT group showed a correct adherence to 8 out of 11 ADL items in an higher percentage of patients respect to the control group. CONCLUSION Our study sustains that OT improves self-management but not main parameters of disease activity or functional capacity. Nevertheless educational intervention should be considered as a useful tool in conjunction with pharmacological treatment.
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MESH Headings
- Activities of Daily Living
- Adalimumab
- Adult
- Aged
- Anti-Inflammatory Agents/administration & dosage
- Anti-Inflammatory Agents/therapeutic use
- Anti-Inflammatory Agents, Non-Steroidal/administration & dosage
- Anti-Inflammatory Agents, Non-Steroidal/therapeutic use
- Antibodies, Monoclonal/administration & dosage
- Antibodies, Monoclonal/therapeutic use
- Antibodies, Monoclonal, Humanized
- Antirheumatic Agents/administration & dosage
- Antirheumatic Agents/therapeutic use
- Arthritis, Rheumatoid/blood
- Arthritis, Rheumatoid/diagnosis
- Arthritis, Rheumatoid/drug therapy
- Arthritis, Rheumatoid/rehabilitation
- Blood Sedimentation
- C-Reactive Protein/analysis
- Cortisone/administration & dosage
- Cortisone/therapeutic use
- Data Interpretation, Statistical
- Etanercept
- Female
- Health Status
- Health Surveys
- Humans
- Immunoglobulin G/administration & dosage
- Immunoglobulin G/therapeutic use
- Infliximab
- Male
- Middle Aged
- Occupational Therapy
- Patient Compliance
- Prospective Studies
- Receptors, Tumor Necrosis Factor/administration & dosage
- Receptors, Tumor Necrosis Factor/therapeutic use
- Socioeconomic Factors
- Surveys and Questionnaires
- Time Factors
- Treatment Outcome
- Tumor Necrosis Factor-alpha/antagonists & inhibitors
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Affiliation(s)
- F Pasqui
- Cattedra di Reumatologia, Dip. di Clinica e Terapia Medica Applicata, Azienda Policlinico Umberto I, Università di Roma "La Sapienza", Roma, Italia
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Villanova N, Pasqui F, Burzacchini S, Forlani G, Manini R, Suppini A, Melchionda N, Marchesini G. A physical activity program to reinforce weight maintenance following a behavior program in overweight/obese subjects. Int J Obes (Lond) 2005; 30:697-703. [PMID: 16314874 DOI: 10.1038/sj.ijo.0803185] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE To investigate the effects of a specific program to implement physical activity (fitness program) on weight loss maintenance, activity level and resting energy expenditure (REE). DESIGN Observational study of subjects completing a behavioral program. SUBJECTS In total, 200 overweight/obese subjects (36 males, aged 20-66 years; average BMI, 35.2 kg/m2). Program and measurements:The fitness program consisted of 12 bimonthly sessions, chaired by doctors and dietitians, involving groups of 8-12 subjects. Patients entered the program approximately 9 months after the end of behavioral treatment, during a weight loss maintenance period. The goal was set at a light-to-moderate daily physical activity (brisk walking), quantitatively measured by a pedometer; REE was measured before and after the fitness program by indirect calorimetry in a subset of patients. RESULTS The fitness program restarted the process of weight loss in over 60% of subjects. At the end of the study, 84% of patients walked at least 5000 steps per day, compared with 24% at the beginning of the study. The probability of losing from 5 to 10% of initial body weight increased by 20% for any 1000 steps/day (OR, 1.20; 95% CI (confidence interval), 1.07-1.35), and that of losing more than 10% by over 30% (OR, 1.33; 95% CI, 1.19-1.49). REE increased significantly by 100 kcal/day (+7.5%), in spite of further weight loss (-1.8%). CONCLUSION A specific fitness program in the weight maintenance phase after a behavioral program may significantly improve the long-term control of obesity.
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Affiliation(s)
- N Villanova
- Department Internal Medicine and Gastroenterology, Unit of Metabolic Diseases, Alma Mater Studiorum University of Bologna, Bologna, Italy
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Melchionda N, Besteghi L, Di Domizio S, Pasqui F, Nuccitelli C, Migliorini S, Baraldi L, Natale S, Manini R, Bellini M, Belsito C, Forlani G, Marchesini G. Cognitive behavioural therapy for obesity: one-year follow-up in a clinical setting. Eat Weight Disord 2003; 8:188-93. [PMID: 14649781 DOI: 10.1007/bf03325012] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Cognitive behavioural therapy (CBT) is the most comprehensive means of medically treating obesity, but only few data have so far been published concerning its long-term effectiveness. We here report our experience of 1068 consecutive patients (868 females) treated with CBT at a university-based obesity centre. The patients were enrolled into three different programmes: a 14-week LEARN programme (672 patients), a 16-week MOB programme for the morbidly obese (259 patients), or a 20-week BINGE programme for subjects affected by binge eating (137 patients). Eighty-five percent of the subjects completed the weekly programmes. The percentage of patients attending the scheduled control visits during the 1-year follow-up gradually decreased, being very low in the BINGE group (10%). The percentage weight loss was an average of 6% during the weekly courses, being higher in the MOB programme; by the end of the weekly sessions, it exceeded 10% of initial body weight in 22% of cases and increased to 36% during the follow-up. The cumulative probability of follow-up was higher among the patients undergoing the MOB and LEARN programmes than among the BINGE patients (p < 0.0001), and decreased with the increasing severity of obesity. Female gender and a weight loss of > 10% i.b.w. increased compliance to follow-up. The study further demonstrates the difficulty of achieving compliance to chronic management of obesity and the critical role of binge eating disorder in the medium-term treatment of obesity. Strategies are needed to improve adherence to a follow-up protocol.
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Affiliation(s)
- N Melchionda
- Servizio di Malattie del Metabolismo e Disturbi del Comportamento Alimentare, Dipartimento di Medicina Interna e Gastroenterologia, Università di Bologna, Italy
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Marchesini G, Bellini M, Natale S, Belsito C, Isacco S, Nuccitelli C, Pasqui F, Baraldi L, Forlani G, Melchionda N. Psychiatric distress and health-related quality of life in obesity. Diabetes Nutr Metab 2003; 16:145-54. [PMID: 14635731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/27/2023]
Abstract
UNLABELLED Health-related quality of life (HRQL) is poor in obese patients and not necessarily related to the severity of disease. In a large proportion of patients psychopathological distress is also present and its role on poor HRQL has never been quantified. METHODS In 207 patients entering a University-based weight-reducing programme (38 males, 169 females), a package of self-administered questionnaires was submitted to measure HRQL (Short-Form 36) and psychopathological distress [general: Symptom Check-List 90 (SCL-90); depression: Beck Depression Inventory (BDI); binge eating: Binge Eating Scale (BES)]. Several clinical and anthropometric data were also recorded. RESULTS HRQL, both in its physical and mental component, was significantly reduced in obesity when related to Italian population norms. SCL-90 identified psychopathological distress in 53 patients (26%), the BDI was indicative of depression in 89 cases (43%), whereas high scores of the BES were measured in 88 cases. Logistic regression analysis identified psichopathological distress as the major factor associated with poor HRQL. CONCLUSIONS Psychiatric disturbances significantly contribute to poorly perceived health status. Only a comprehensive treatment including a specific approach to psychiatric symptoms may be effective in improving the perceived health status of obese patients seeking treatment.
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Affiliation(s)
- G Marchesini
- Metabolic Unit, Department of Internal Medicine and Gastroenterology, University of Bologna, Bologna, Italy.
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Marchesini G, Natale S, Chierici S, Manini R, Besteghi L, Di Domizio S, Sartini A, Pasqui F, Baraldi L, Forlani G, Melchionda N. Effects of cognitive-behavioural therapy on health-related quality of life in obese subjects with and without binge eating disorder. Int J Obes (Lond) 2002; 26:1261-7. [PMID: 12187405 DOI: 10.1038/sj.ijo.0802073] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2001] [Revised: 03/19/2002] [Accepted: 04/18/2002] [Indexed: 12/20/2022]
Abstract
OBJECTIVE To measure the effects of cognitive-behavioural therapy on health-related quality of life (HRQL) in obese patients, in relation to binge eating disorder. DESIGN Longitudinal, clinical intervention study consisting of structured sessions of cognitive-behavioural therapy, preceded by sessions chaired by a psychologist in subjects with binge eating. SUBJECTS Two groups of obese patients (92 treated by cognitive-behavioural therapy (77 females); 76 untreated controls (67 female), selected from the waiting list (control group)). Of 92 treated patients, 46 had a binge eating disorder at psychometric testing and structured clinical interview. MEASUREMENTS Health-related quality of life by means of Short-Form 36 questionnaire at baseline and after 3-5 months. RESULTS Cognitive-behavioural treatment produced an average weight loss of 9.4+/-7.5 kg, corresponding to a BMI reduction of 3.48+/-2.70 kg/m(2). No changes were observed in the control group. All scales of HRQL improved in treated subjects (by 5-19%). In obese subjects with binge eating weight loss was lower in comparison to non-bingers (7.7+/-8.1 vs 11.1+/-6.6; P=0.034). However, the improvement in HRQL was on average larger, and significantly so for Role Limitation-Physical (P=0.006), Role Limitation-Emotional (P=0.002), Vitality (P=0.003), Mental Health (P=0.032) and Social Functioning (P=0.034). Bodily Pain was the sole scale whose changes paralleled changes in body weight. CONCLUSIONS The positive effects of cognitive-behavioural therapy, mainly in subjects with binge eating, largely outweigh the effects on body weight, resulting in a significant change in self-perceived health status.
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Affiliation(s)
- G Marchesini
- Unit of Metabolic Diseases, Department of Internal Medicine and Gastroenterology, University of Bologna, Italy.
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Ronzoni G, De Giovanni L, Weir JM, Pasqui F, Menchinelli P. Transposing the urethral meatus in the treatment of recurrent and postcoital cystitis in women with hypospadias. BJU Int 2001; 87:894-6. [PMID: 11412233 DOI: 10.1046/j.1464-410x.2001.01903.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- G Ronzoni
- Department of Urology, Urosurgical Unit, Catholic University of the Sacred Heart, Rome, Italy.
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Valenza S, Cordero FM, Brandi A, Guidi A, Altamura M, Giolitti A, Giuntini F, Pasqui F, Renzetti AR, Maggi CA. Regio- and stereoselective cycloadditions of cyclic nitrones to maleic diamide forced in a peptide: synthesis of potent ligands of human NK-2 receptor. J Org Chem 2000; 65:4003-8. [PMID: 10866619 DOI: 10.1021/jo0000022] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The regioselectivity and the stereoselectivity induced by relatively small peptidomimetic maleic diamide 1 in cycloaddition reactions with cyclic nitrones 2-5 was studied. The high regio- and stereoselectivity observed, sensibly increased by nonpolar solvents, was the effect of a double-asymmetric induction produced by the nitrone substituent on the pseudopeptidic tether. A new class of potent human tachykinin NK-2 receptor ligands was synthesized.
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Affiliation(s)
- S Valenza
- Menarini Ricerche S.p.A., Via dei Sette Santi 3, I-50131 Firenze, Italy
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Pasquali R, Buratti P, Biso P, Patrono D, Capelli M, Pasqui F, Melchionda N. Estimation of B-cell function by the urinary excretion rate of C-peptide in diabetic patients: comparison with C-peptide response to glucagon and to a mixed meal. Diabete Metab 1987; 13:44-51. [PMID: 3552774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
This study examined the relationship between the C-peptide response to intravenous glucagon and mixed meal stimulation and the 24 h urinary excretion rate of C-peptide and its urinary excretion during the glucagon test in nine control subjects, eighteen Type 1 (insulin-dependent) and twenty-two Type 2 (non-insulin-dependent) diabetic patients. Compared to controls (61.0 +/- 7.1 micrograms), the 24-h urine excretion rate of C-peptide was 8.2 +/- 3.1 micrograms (p less than 0.001) in Type 1 and 89.8 +/- 12.9 micrograms (p = NS) in Type 2 diabetic patients. C-peptide urinary excretion rate during the glucagon test was 6.92 +/- 1.11 micrograms, 0.42 +/- 0.10 microgram (p less than 0.001) and 6.47 +/- 1.13 micrograms (p = NS) respectively. Fasting serum C-peptide values were 1.53 +/- 0.16 ng/ml in controls, 0.42 +/- 0.09 ng/ml in Type 1 (p less than 0.0001) and 2.08 +/- 0.22 ng/ml in Type 2 diabetics (p = NS); C-peptide areas under the curve after glucagon stimulation were, respectively, 241.6 +/- 20.3 ng/ml, 29.2 +/- 5.9 ng/ml (p less than 0.0001) and 170.9 +/- 17.9 ng/ml (p less than 0.03) and after the meal test they were 204.7 +/- 15.6, 68.7 +/- 19.8 ng/ml (p less than 0.0001) and 265.5 +/- 32.9 ng/ml (p = NS).(ABSTRACT TRUNCATED AT 250 WORDS)
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Pasquali R, Pasqui F, Patrono D, Capelli M, Melchionda N. Effect of glucose administration on thyroid hormones and oxygen consumption in normal and obese subjects. Boll Soc Ital Biol Sper 1986; 62:119-26. [PMID: 3718720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Pasquali R, Biso P, Baraldi G, Mattioli L, Capelli M, Pasqui F, Melchionda N. Clinical application of the 24-H urinary C-peptide excretion rate and its relationship to metabolic control in diabetics. Acta Diabetol Lat 1983; 20:153-61. [PMID: 6349203 DOI: 10.1007/bf02624916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
In this study, we evaluated in normal subjects, insulin-dependent (IDD) and non-insulin-dependent (NIDD) diabetics, the diurnal urinary C-peptide excretion rate (CPR-U) and its relationship to serum C-peptide concentration and glucose:C-peptide molar ratio, and to the common parameters of metabolic control. The CPR-U (and CPR-U/g creatinine) were significantly lower in IDD and higher in NIDD compared to control subjects. Moreover, a good and significant correlation with serum C-peptide concentrations and the glucose:C-peptide ratio in diabetic subjects as well as in controls and diabetics considered together was found. A slight but significant correlation was present in diabetic subjects between CPR-U and body mass index (r = 0.45), 24-h glycosuria (r = 0.36), HbA1 levels (r = 0.31), post-prandial glucose concentrations (r = 0.26) and per cent glucose variation after each meal (r = 0.34). No differences were found in CPR-U and the degree of metabolic control between obese and non-obese NIDD. In conclusion, CPR-U may be a useful and simple method of defining the secretory activity of the B-cell. Metabolic control in diabetics is slightly correlated to the degree of B-cell function as evaluated by the diurnal excretion rate of C-peptide in urine.
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Pasquali R, Baraldi G, Biso P, Pasqui F, Mattioli L, Capelli M, Callivá R, Spoto M, Melchionda N, Labò G. Relationships between iodothyronine peripheral metabolism and ketone bodies during hypocaloric dietary manipulations. J Endocrinol Invest 1983; 6:81-9. [PMID: 6863849 DOI: 10.1007/bf03350577] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Relationships between iodothyronine and metabolic substrate metabolism during undernutrition were evaluated in four normal subjects who fasted for 48h (Group I) and in four groups (II to V) of obese patients who underwent selective dietary manipulations: 360 calories [carbohydrate (CHO) 40 g/day]; 800 calories containing respectively 19 g/day - ketogenic - (K) and 112 g/day - non ketogenic - (NK) of CHO; and a step-diet programme (during which total calories were progressively reduced from 2500 to 500). Serum T3 levels decreased significantly and constantly during fasting, 360 and 800 K studies, and transiently during the 800 NK diet. During the step-diet programme, a significant fall was found only when 1250 K or less were given. Conversely, serum reverse T3 rose significantly and constantly during 360 and 800 K diets, while a transient increase was found during the 800 NK diet. During the step-diet programme reverse T3 rose only when 750 calories were given. Ketogenesis developed in all studies but one (800 NK), and in the step-diet programme significantly below the 1000 calorie step. Other substrate modifications in each study were also evaluated. Serum T3 levels showed a significant correlation with ketone bodies (KB) in all the ketogenic studies, while no correlation was found in non ketogenic study (800 NK). During the step-diet programme ketone bodies and iodothyronine modifications appeared to be related to the amount of calories. Based on these results, we suggest a relationship between the dietary-induced modifications of iodothyronine metabolism and the development of ketogenesis.
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