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Biomedical subjects

L Sangiorgio

Publications and source records attributed to L Sangiorgio.

15 recordsLinked to original sources
PubMed2000

Effects of the treatment with acarbose in elderly overweight type 2 diabetic patients in poor glycemic control with oral hypoglycemic agents or insulin.

The aim of this study was to evaluate the efficacy of acarbose, an inhibitor of alpha-glucosidase, on glycemic control in elderly overweight type 2 diabetic patients poorly controlled by oral hypoglycemic agents (OHA) or insulin. Our study included 22 overweight patients, 60-75-years-old, treated with OHA and/or insulin who, after a period of 4 weeks of controlled diet, showed a poor metabolic control. They were divided into two groups: Group I (nine patients) on OHA treatment; Group II (13 patients) undergoing treatment with insulin alone or in combination with OHA. Acarbose was administered to all the patients (100 mg three times a day at meal times) for 6 months in addition to their previous treatment. The addition of acarbose caused a significant reduction in both groups with regard to fasting glycemia (after 3 and 6 months, respectively, 20.7 and 21.9%, P<0.04 in Group I; 19.1 and 21.8%, P<0.04 in Group II), and postprandial glycemia (after 3 and 6 months, respectively, 41.6 and 42.5%, P<0.0001 in Group I; 35.6 and 38%, P<0.0006 in Group II). There was also a significant reduction in the values of HBA(1c) in Group I after 6 months of treatment (24.3%, P<0.05) and in Group II after 3 and 6 months (respectively 13.4%, P<0.02 and 20.6%, P<0.01). Three months after treatment with acarbose ended, fasting and postprandial glycemia and HBA(1c) values returned to original baseline values. In conclusion, the addition of acarbose to the OHA in elderly overweight type 2 diabetic patients poorly controlled by OHA or insulin regimes improved metabolic control.

Journal Article↗
PubMed2000

Increased frequency of HCV and HBV infection in type 2 diabetic patients.

The aim of our study was to verify if the diabetic population can be considered at risk for HBV (B hepatitis virus) and/or HCV (C hepatitis virus) correlated viral hepatitis. We examined 1514 diabetic patients, 668 males and 846 females. In patients who had, on at least two occasions, pathological transaminase values (AST and/or ALT), the markers for HBV and HCV infection were determined. Of the 1514 patients studied, 295 (19.48%) had pathological values of ALT and /or AST. Among the hypertransaminase patients (295), 69 were not tested for the markers because they refused to give informed consent; of the remaining 226 patients, 54 were negative and 172 (76.6%) were positive for at least one of the hepatitis markers (HBV, HCV or both). Those who were anti-HCV positive were 115 (38.98%), of which 50 were also positive to hepatitis B (16.9%), while those positive only to the B markers were 57 (19.3%). If we compare the patients with positive markers (172) to the total number of diabetic patients studied (1514), we find that there is a hepatitis B and/or C prevalence of 11.36%, with no statistically significant difference between females (95/846, 11.23%) and males (77/668, 11.53%). The prevalence of only hepatitis C was 7.6%, while only hepatitis B was 7.1%. In conclusion, our study shows an increasing prevalence of hepatitis C and B, often associated, in type 2 diabetic patients that allows us to define them as a group at risk for viral hepatitis.

Alanine Transaminase↗
PubMed1999

Hypertension and related risk factors in type 2 diabetes mellitus.

METHODS: The correlation between hypertension and related risk factors has been studied in 733 type 2 diabetic patients. Hypertension was more frequent in women (65.35%) than in men (50.35%) (p < 0.0001). RESULTS: Hypertensive patients showed older age (p < 0.0001) and greater Body Mass Index (BMI) (p < 0.03) than normotensive. In the diabetic group on diet only basal insulinaemia was higher (p < 0.05) in hypertensive than in normotensive diabetic men, but not in women. Such a difference, was not seen in patients of both sexes treated with oral hypoglycaemic agents; besides there was no difference in fasting C-peptide levels between hypertensive and normotensive insulin treated patients. In both sexes hypertension was independently correlated with age, BMI, increased urinary albumin excretion, triglycerides. The strongest correlation was with the family history of hypertension. On the contrary there was no correlation between hypertension and waisthip ratio. CONCLUSIONS: In conclusion, the association between hypertension and type 2 diabetes depends on various risk factors, but a relationship with insulin levels is not surely demonstrable.

Administration, Oral↗
PubMed1998

A simplified diagnostic test for ambulatory screening of peripheral diabetic neuropathy.

The reliability and reproducibility of Michigan Neuropathy Screening Instrument (MNSI), a recently proposed simple test for ambulatory screening of peripheral diabetic neuropathy (PDN), was evaluated on 80 diabetic patients. MNSI was carried out by two diabetologists and repeated after a week. It consisted of the sum of scores varying from 0 to 1 for each abnormality revealed in foot appearance, achilles reflexes presence and vibratory threshold (VPT) by tuning fork (maximum score = 8). Then patients had to go to neurologist for PDN diagnosis by a quantitative neurological examination and electrophysiological evaluation, the so named Michigan Diabetic Neuropathy Score (MDNS) and the results compared with MNSI score according to one of the two observers. The inter-observer reproducibility of MNSI was 88.75% the within observer reproducibility was 95 and 94%, respectively, for each observer with good correlation between the two measurements (P < 0.001). The MNSI score of 2.5 as a cut-off appeared to be reliable for ambulatory screening of suspected PDN (false positive and false negative = 2.5%; specificity and sensitivity = 75% and 78.6%, respectively). In conclusion MNSI by using 2.5 score as cut-off may be considered a rapid, simple, reproducible and reliable test for rapid ambulatory screening of PDN from the diabetologists.

Adult↗
PubMed1998

Hypertension and related risk factors in type 2 diabetes mellitus.

METHODS: The correlation between hypertension and related risk factors has been studied in 733 type 2 diabetic patients. Hypertension was more frequent in women (65.35%) than in men (50.35%) (p < 0.0001). RESULTS: Hypertensive patients showed older age (p < 0.0001) and greater Body Mass Index (BMI) (p < 0.03) than normotensive. In the diabetic group on diet only basal insulinaemia was higher (p < 0.05) in hypertensive than in normotensive diabetic men, but not in women. Such a difference, was not seen in patients of both sexes treated with oral hypoglycaemic agents; besides there was no difference in fasting C-peptide levels between hypertensive and normotensive insulin treated patients. In both sexes hypertension was independently correlated with age, BMI, increased urinary albumin excretion, triglycerides. The strongest correlation was with the family history of hypertension. On the contrary there was no correlation between hypertension and waist-hip ratio. CONCLUSIONS: In conclusion, the association between hypertension and type 2 diabetes depends on various risk factors, but a relationship with insulin levels is not surely demonstrable.

Adult↗
PubMed1997

Diabetic neuropathy: prevalence, concordance between clinical and electrophysiological testing and impact of risk factors.

UNLABELLED: The aim of this study was to assess the prevalence of various forms of diabetic neuropathy (DN), by clinical and electrophysiological tests, on 374 diabetic patients (66 with type 1 and 308 with type 2 diabetes mellitus) and the concordance between clinical and electroneurological alterations and relative risk factors impact. The overall prevalence of DN, according to the Saint Antonio Conference criteria, was 44.9% (28.88% somatic, 14.44% mixed and 1.60% autonomic) without statistical difference between type 2 and type 1 diabetes (46.43% and 37.88% respectively). In 32.24% of patients nerve conduction velocity (NCV) abnormalities were present together with clinical signs or symptoms of neuropathy, while 12.68% presented only signs and/or symptoms. In addition 9.36% of patients showed alterations of NCV in the absence of clinical signs or symptoms of neuropathy. The most frequent form was asymptomatic (30.21%), followed by symptomatic neuropathy (12.83%); rare was the severe neuropathy. Relative risk increased for diabetes duration > 20 years (p < 0.0001). IN CONCLUSION: 1) the Saint Antonio Consensus Conference criteria can be considered the most complete test for neuropathy diagnosis; 2) NCV alterations may not be concordant with signs-symptoms of neuropathy; 3) the duration of diabetes seems to be the most important risk factor.

Adolescent↗
PubMed1996

[Comparative study of the efficiency of ultralente insulin and NPH insulin combined with sulfonylurea in type 2 diabetes patients with secondary tolerance to sulfonylurea. Possible selection criteria].

The treatment of NIDDM patients with secondary failure to sulfonylureas is still a debated problem. In this study we compared in NIDDM patients with secondary failure to glyburide, the effect of adding a single, low-dose bed time either NPH or ultralent insulin injection (0.15-0.2 U/kg) to the previously ineffective sulfonylurea treatment. Both NPH and ultralent insulin therapy have been demonstrated to be effective in ameliorating metabolic control in NIDDM patients with secondary failure to sulfonylureas. However, the addition of bed-time ultralent insulin caused a greater and significant decrease in post prandial plasma glucose. In contrast, the average fasting plasma glucose decrease was significantly greater after NPH insulin administration. These results indicate that in NIDDM patients with secondary failure to glyburide bed-time ultralent insulin administration is a better tool to improve the post prandial plasma glucose.

Blood Glucose↗
PubMed1996

Frequency of coronary heart disease and related risk factors in a diabetic and nondiabetic population: a comparative study.

The aim of the study was to evaluate the frequency of Coronary Heart Disease (CHD) and some related risk factors since as hyperlipidemia, hypertension, obesity and visceral distribution of adipose tissue on 733 type 2 diabetic patients in ambulatory care compared to 3500 nondiabetic subjects, matched for age and sex. The frequency of CHD, hyperlipidemias, hypertension, obesity and visceral distribution of adipose tissue was significantly higher in diabetic than in nondiabetic subjects. The risk for CHD was greater in diabetic vs nondiabetic women (4.22) as compared to diabetic vs nondiabetic men (2.6). CHD was mostly associated (over 50% of cases) with hypertension, hyperlipidemia and visceral distribution of adipose tissue. Both cholesterol and triglyceride values, such as CHD frequency, were higher in diabetic patients with poor glycemic control with respect to those with acceptable glycemic, especially in women.

Adult↗
PubMed1992

Treatment and follow-up of vesico-ureteral reflux in patients with neuropathic bladder.

Vesico-ureteral reflux (VUR) is a relatively frequent and severe complication in neuropathic bladder, therefore it must be ruled out in every case, and prevented whenever possible. The Spina Bifida Center of our Institute is presently following 220 patients with neuropathic bladder, who undergo a periodical clinical and instrumental evaluation. Urodynamics has proved essential in detecting risk factors for VUR: small capacity bladders with reduced compliance, increased outlet resistance, and detrusor instability. Forty-eight cases of VUR, 38 of which were severe, were detected in a total of 166 patients reviewed for this paper. All patients with VUR were treated conservatively, attaining complete remission or improvement in 21 cases. Ten underwent surgical treatment owing to recurrent pyelonephritis or pyelo-renal reflux with severe dilatation, despite a standard pharmacological trial.

Adolescent↗
PubMed1992

Critical reflections on the use of human cultured keratinocytes in children with burns.

The authors report on their experience in the use of cultured keratinocytes in severely burned children, observed in the Surgical Emergency and Pediatric Surgery Department at the Gaslini Institute of Genova. Seventeen cases are described, divided into three groups: patients treated exclusively by autografts; patients treated both by auto- and allografts; patients treated exclusively by allografts. Indications to the various techniques are reported, and the advantages and disadvantages of cultured skin are discussed. Some of the most likely causes of failure are pointed out, with an update review of the literature.

Adolescent↗
PubMed1992

Comparison of combined therapies in treatment of secondary failure to glyburide.

OBJECTIVE: To compare the effectiveness of alternative combined treatments in patients with non-insulin-dependent diabetes mellitus (NIDDM) with secondary failure to sulfonylureas. RESEARCH DESIGN AND METHODS: A crossover study was carried out by randomly assigning 16 NIDDM patients to a combined treatment with the addition of either a single low-dose bedtime injection of 0.2 U/kg body wt NPH insulin or an oral three times a day administration of 1.5 g/day metformin to the previously ineffective glyburide treatment. RESULTS: Both combined therapies significantly (P less than 0.01) reduced fasting plasma glucose (FPG), postprandial plasma glucose (PPPG) and percentage of HbA1. The addition of metformin was more effective than the addition of insulin (P less than 0.01) in improving PPPG in the 8 patients with higher post-glucagon C-peptide levels. In contrast, the efficacy of neither combined therapy was related to patient age, age of diabetes onset, duration of the disease, percentage of ideal body weight, and FPG. The addition of insulin but not metformin caused a significant (P less than 0.01) increase of mean body weight. Neither combined treatment caused changes in serum cholesterol and triglyceride levels. No symptomatic hypoglycemic episode was reported in any of the 16 patients. CONCLUSIONS: The addition of bedtime NPH insulin or metformin was effective in improving the glycemic control in most NIDDM patients with secondary failure to glyburide. The combination of metformin and sulfonylurea was more effective in reducing PPPG and did not induce any increase of body weight.

Blood Glucose↗
PubMed1991

[Obstructive urethral disease in neonates].

In the past eight years, we observed 23 cases of neonatal urethral obstruction: 15 posterior urethral valves, one urethral polyp, two urethral diverticula, one penile urethra hypoplasia, two syringoceles, one scafoid urethra, one urethral agenesis in Prune Belly syndrome. In most cases a prenatal diagnosis of uropathy had been made by ultrasonography that allowed a faster diagnosis and possibly a long-term better prognosis in those patients in which early treatment reduced postnatal damage. In all patients endoscopic resection was performed under direct view. In 14 of them endoscopic treatment solved the problem, while further surgery on the upper urinary tract was needed in the others. We had no stenotic nor other-short and medium-term complications. The incidence of renal dysplasia is high with posterior urethral valves, while upper urinary tract damages are sensibly less frequent with more distal obstructions.

Diverticulum↗
PubMed1980

Measurement of reverse triiodothyronine in dried blood spot: methodology and clinical application as a screening procedure for detection of congenital hypothyroidism.

A new sensitive radioimmunoassay method for measuring reverse triiodothyronine (rT3) concentrations in dried blood samples, designed to screen newborn infants for congenital hypothyroidism, has been developed. Paper strips are impregnated with cord blood and dried. Duplicate 5-mm diameter discs are punched from the paper strips and added directly to the radioimmunoassay reaction mixture. After incubation, bound and free hormone are separated by dextran-coated charcoal. The disc remains in the solution throughout the procedure and the assay can be completed within 24 hr. Recovery of rT3 is greater than 95% and coefficients of variation are 9.4% (intraassay) and 12.2% (interassay) at an rT3 concentration of 220 ng/dl. At very low rT3 concentrations (25 ng/dl), coefficients of variation are 14.2% (intraassay) and 18.7% (interassay). The method readily detects 12.5 ng/dl of rT3. With this paper disc method, rT3 was measured in 38 newborns and compared with serum rT3 measured in the same subjects by a standard radioimmunoassay method. The correlation between rT3 values measured in dried blood disc and in serum was very high (r = 0.918). The rT3 in dried blood discs from the cord blood of 745 normal newborns was 228.9 +/- 76.0 ng/dl (mean +/- SD). In contrast, two infants with proven congenital hypothyroidism had rT3 values of 35 and 75 ng/dl, respectively. This study indicates that rT3 can be easily measured in dried blood discs and suggests that the described method may be a useful screening procedure in a program for the detection of neonatal hypothyroidism.

Congenital Hypothyroidism↗
PubMedDate not supplied

The lazy bladder syndrome: a possible urodynamic evolution in patients with idiopatic detrusor and pelvic floor overactivity.

OBJECTIVE: To correlate the urge syndrome due to bladder overactivity and the lazy bladder syndrome, demonstrating that, at least in some cases, the lazy bladder may be the final stage of the evolution of an overactive bladder when associated with overactivity of the pelvic floor during micturition. PATIENTS AND METHODS: From January 1998 to December 1999, 38 children, 30 females and 8 males, 5 to 16 yrs. old (median 7.4 yrs), presenting with urge symptoms and never treated before, have been evaluated with repeated urodynamic investigations. At presentation all the patients underwent complete baseline urodynamics including evaluation of free flow, EMG, cystometrogram, subtracted detrusor pressure and flow/pressure studies. Flow/EMG was repeated every four months during the treatment period and full urodynamic investigation every year. RESULTS: The first urodynamic study showed that 17 patients were affected by pure detrusor overactivity with good detrusor-sphincter co-ordination, while 21 presented both detrusor and pelvic floor muscles overactivity. All the patients have been treated with oxibutinin (0.3-0.5 mg/Kg. in 3 divided doses) and a timed voiding program with the help of a frequency-volume chart. At the end of the study 16 out of the 17 children with pure overactive bladder were cured (94%), while only 12 of the 21 patients with both bladder and sphincter overactivity were clinically and urodinamically normal Nine girls showed a progressive shift towards the development of a lazy bladder syndrome (capacious, hypocontractile bladder with large post-voiding residual and a non relaxing sphincter during micturition). Clinically this shift was signalled by recurrent urinary tract infections. CONCLUSIONS: The transition from an overactive bladder to a hypocontractile one has been reported previously, but it has not been extensively investigated in children and its causes are largely hypothetical. In our cases this phenomenon occurred only in girls that, initially showed both detrusor urethral sphincter overactivity, therefore we can reasonably conceive that, at least in some cases, the lazy bladder syndrome may be due to prolonged and repeated high pressure bladder contractions opposed by a non relaxing sphincter that may lead to a progressive loss of the contractile properties of detrusor muscle fibres. The rather rapid shift observed in our patients might have been favoured by the use of anticholinergic medications.

Adolescent↗