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1.
Minerva Med ; 103(4): 299-311, 2012 Aug.
Article in Italian | MEDLINE | ID: mdl-22805622

ABSTRACT

AIM: Transient ischemic attack (TIA) has to be considered an "alarm bell" of a more or less severe organic or systemic vasculopathy. Positive findings at neuroimaging means tissue damage. The purpose of this retrospective study was to assess the role of neuroimaging in the management of patients presenting with TIA, and to consider the relative implications. METHODS: In a consecutive series of 82 patients (53 males, 29 females, mean age: 65.9±13.1 years) admitted for TIA, it was possible to review the history and the clinical data of 66 patients, including ABCD2 score, laboratory including plasmatic D-dimer, and neuroimaging data including computed tomography (CT) and magnetic resonance imaging including diffusion-weighted with apparent diffusion coefficient measure (DWI-ADC) obtained at diagnosis and by a week later (16 by CT, and 50 by DWI-ADC). Thirty-three patients underwent DWI-ADC within 24 hours from symptoms onset. Statistical analysis has been performed by non-parametric tests (χ2 and Mann-Whitney), and logistic regression by a commercially available software. RESULTS: CT and/or DWI-ADC showed signs of acute ischemic lesions in 23/66 (35%) patients. 12 out of the 35 patients with a 24-hour DWI-ADC follow-up were positive. Statistical analysis showed that positive neuroimaging was significantly associated only with familial history of cardiovascular diseases (P<0.012) and previous TIA/stroke (P<0.046). CONCLUSION: In this patients series, at least 35% of patients with TIA had a positive neuroimaging, especially DWI-ADC. Positive neuroimaging seems an independent factor. Patients with TIA need an early assessment by neuroimaging including DWI-ADC, in order to obtain a correct classification and prognosis.


Subject(s)
Diffusion Magnetic Resonance Imaging/methods , Fibrin Fibrinogen Degradation Products/analysis , Ischemic Attack, Transient/diagnosis , Neuroimaging/methods , Tomography, X-Ray Computed/methods , Acute Disease , Adult , Aged , Aged, 80 and over , Biomarkers/blood , Female , Humans , Ischemic Attack, Transient/etiology , Male , Middle Aged , Retrospective Studies , Risk Factors , Statistics, Nonparametric , Time Factors
2.
Biochim Biophys Acta ; 1244(1): 49-52, 1995 May 11.
Article in English | MEDLINE | ID: mdl-7766668

ABSTRACT

In a previous paper, we showed inhibition of rat liver L-threonine dehydrogenase by a preparation obtained by dialysis and concentration from rat liver mitochondria stored at -20 degrees C for 7-10 days (Pagani, R., Leoncini, R., Guerranti, R. and Marinello, E. (1990) It. J. Biochem. 39, 106-114). The chemical composition of the fraction containing the unknown 'inhibitor' has now been studied and identified as D-3-hydroxybutyrate (D3HB).


Subject(s)
Alcohol Oxidoreductases/antagonists & inhibitors , Mitochondria, Liver/enzymology , 3-Hydroxybutyric Acid , Animals , Hydroxybutyrate Dehydrogenase/metabolism , Hydroxybutyrates/pharmacology , Male , Rats , Rats, Wistar
4.
Pediatr Med Chir ; 5(4): 171-8, 1983.
Article in Italian | MEDLINE | ID: mdl-6647077

ABSTRACT

The use of antibiotics in the Children Hospital of Florence has been studied considering the whole hospital for 1979 and only one department for 1980-81. 7832 clinical records of children admitted to the Hospital have been analyzed in order to get more informations about the quality of antibiotic treatment and to understand the causes of use and misuse of this kind of drugs in pediatric practice.


Subject(s)
Anti-Bacterial Agents/therapeutic use , Anti-Bacterial Agents/administration & dosage , Child , Drug Utilization , Hospitalization , Humans , Italy
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