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31.
The goal of this classification of bone defects related to dental implant placement is to help clinicians accurately discuss proposed treatment regimens and organize treatment for clinical correction. A further goal of this effort to categorize bone defects requiring bone augmentation for implant placement is to standardize terminology to allow for more accurate dental communication. The 5 most encountered categories of bony defects are described. 相似文献
32.
Carlo. Montoli MD Marco De Pietri MD Sara Barbieri MD Fabio DAngelo MD 《The Journal of foot and ankle surgery》2004,43(5):321-326
Total extrusion of the talus without recovery of the bone is a very unusual injury. The authors present a case of a 25-year-old man who sustained an open total enucleation of the talus in a motorcycle accident. The talus was not recovered at the scene of the accident. An immediate tibiocalcaneal stabilization was performed by using an external fixator. In the postoperative period, a polymicrobic infection was observed and treated with parenteral antibiotics. Nine months after injury, the patient developed an infection of both the empty space and the distal third of the tibia. A wound debridement with tibial sequestrectomy and insertion of gentamicin-impregnated polymethylmethacrylate beads was performed. Three months later, after multiple negative bacteriologic examinations, a tibiocalcaneal arthrodesis with staples and autogenous bone graft was performed. Because of a pseudoarthrosis, the patient underwent a revision of the arthrodesis by retrograde tibiocalcaneal nailing, achieving clinical and radiographic success. The definitive treatment of total enucleation of the talus is still controversial because of its rarity and the high rate of complications, such as avascular necrosis, osteomyelitis, and ankle stiffness. In this case, without recovery of the talus, retrograde nailing afforded good stability by bypassing the bone defects. 相似文献
33.
Silvia Franceschi Fabio Barbone Ettore Bidoli Salvatore Guarneri Diego Serraino Renato Talamini Carlo La Vecchia 《International journal of cancer. Journal international du cancer》1993,53(5):740-745
The relationship between farming and cancer risk was investigated in an integrated series of case-control studies conducted from 1985 to 1991 in the Friuli Venezia Giulia region, north-east Italy. Patients with cancer of the oral cavity and pharynx, larynx, oesophagus, colon and rectum, pancreas, breast, thyroid gland, kidney and urinary tract, bladder, prostate, soft-tissue sarcomas, Hodgkin's diseases, non-Hodgkin's lymphomas and multiple myelomas, and controls admitted to hospital for acute, non-neoplastic conditions, were interviewed. For males, a significantly elevated relative risk was seen for oral cavity and pharynx. Farming, however, was associated with a significant protection against cancer of the colon and rectum and bladder. In females, only one significant association emerged, for multiple myeloma. A few significant interactions between cancer risk and year of birth (i.e., before 1930 or 1930 and after) were observed. The risk of cancer of the larynx was significantly elevated in younger male farmers but not in older ones. Our multi-site case-control study confirms that farmers have, for some cancer sites, a distinctive pattern. Excesses of cancer of the oral cavity and pharynx in farmers are characteristic of the present study area and, possibly, of similar European rural populations who have in common high levels of alcohol consumption and, at least in the past, unbalanced diets. 相似文献
34.
The effects of quercetin have been investigated on the gastrointestinal propulsion of charcoal meal in mice. Quercetin reduced the rate of intestinal transit and this effect was potentiated by verapamil. 相似文献
35.
Marco Montorsi Guido Torzilli Uberto Fumagalli Stefano Bona Riccardo Rosati Matilde de Simone Vittorio Rovati Franco Mosca Carlo Filice 《HPB surgery》1994,8(2):89-94
The increased use of Ultrasonography (US) has led to increased detection of simple hepatic cysts.
For symptomatic cysts treatment is necessary. Until some years ago surgery was the only
therapy. We have treated a large number of patients with Percutaneous Alcohol Sclerotherapy
(PAS) and evaluated retrospectively the efficacy of this approach.Data on 21 patients with symptomatic simple hepatic cysts were reviewed retrospectively.
Cysts had a mean diameter of 9 cm (range: 7–15 cm). PAS was always performed under local
anesthesia and US guidance. 25% of the volume was replaced with 95% ethanol and then
completely aspirated after 20–30 minutes.No complications or deaths occurred. In all patients symptoms disappeared after treatment.
In 15 out of 21 cases there was no evidence of residual cyst on US, computed tomography (CT) or
magnetic resonance (MRI). In 6 patients with shorter follow-up, cysts showed a mean reduction
in diameter of 50%. The mean follow-up was 18 months (range 6–60 months).We conclude that PAS is easy with low risk for the patients and with good long-term results; it
should therefore become the procedure of choice for simple hepatic cysts. 相似文献
36.
Lanzarini Luca Previtali Mario Bargiggia Giansiro Ferrario Maurizio Mussini Antonio Montemartini Carlo 《The international journal of cardiovascular imaging》1992,8(3):191-195
Aim of our study was to assess if the 2D-Echo transverse diameter of the left hepatic vein (LHV) obtained from the subcostal approach is correlated with invasive mean right atrial pressure (RAP). Thirty-two consecutive patients with acute myocardial infarction were studied by simultaneous 2D-Echo and right heart catheterization. LHV could be adequately imaged in 90% of patients. Mean RAP values at catheterization ranged from 0 to 15mmHg (mean 6±3.5 mmHg). A correlation was found between mean RAP and LHV diameter calculated after inspiration (r=0.81, SEE=1.54 mm, slope=0.71,p< 0.001) as well as after expiration (r=0.82, SEE=1.32mm, slope=0.62,p< 0.001) or during post-expiratory apnoea (r=0.85, SEE=1.3 mm, slope=0.71,p< 0.001). Moreover, percent increments of LHV diameter correlated well with percent changes of mean RAP during rapid infusion of 250–500 cc of saline in 4 patients (r=0.98,p< 0.001). Thus, the 2D-Echo LHV diameter is a feasible measurement that seems to correlate well with invasive mean RAP over a wide range of mean RAP values in patients with myocardial infarction; the changes in LHV diameter correlate well with the percent increase in central venous pressure obtained with saline infusion. Underestimation of invasive RAP occurs when mean RAP value exceeds 12 mmHg and can be explained by limited venous compliance. However these preliminary results suggest that this method may represent a valid alternative to obtain a non invasive estimate of mean RAP with 2D-Echocardiography. 相似文献
37.
Claudio Babiloni Giovanni Frisoni Mircea Steriade Lorena Bresciani Giuliano Binetti Claudio Del Percio Cristina Geroldi Carlo Miniussi Flavio Nobili Guido Rodriguez Filippo Zappasodi Tania Carfagna Paolo M Rossini 《Clinical neurophysiology》2006,117(5):1113-1129
OBJECTIVE: A relationship between brain atrophy and delta rhythmicity (1.5-4 Hz) has been previously explored in Alzheimer's disease (AD) subjects [Fernandez A, Arrazola J, Maestu F, Amo C, Gil-Gregorio P, Wienbruch C, Ortiz T. Correlations of hippocampal atrophy and focal low-frequency magnetic activity in Alzheimer disease: volumetric MR imaging-magnetoencephalographic study. Am J Neuroradiol. 2003 24(3):481-487]. In this study, we tested the hypothesis that such a relationship does exist not only in AD patients but also across the continuum of subjects with mild cognitive impairment (MCI) and AD. METHODS: Resting, eyes-closed EEG data were recorded in 34 MCI and 65 AD subjects. EEG rhythms of interest were delta (2-4 Hz), theta (4-8 Hz), alpha 1 (8-10.5 Hz), alpha 2 (10.5-13 Hz), beta 1 (13-20 Hz), and beta 2 (20-30 Hz). EEG cortical sources were estimated by LORETA. Cortical EEG sources were correlated with MR-based measurements of lobar brain volume (white and gray matter). RESULTS: A negative correlation was observed between the frontal white matter and the amplitude of frontal delta sources (2-4 Hz) across MCI and AD subjects. CONCLUSIONS: These results confirmed for the first time the hypothesis that the sources of resting delta rhythms (2-4 Hz) are correlated with lobar brain volume across MCI and AD subjects. SIGNIFICANCE: The present findings support, at least at group level, the 'transition hypothesis' of brain structural and functional continuity between MCI and AD. 相似文献
38.
39.
Isidoro Di Carlo Elia Pulvirenti Adriana Toro Giuseppe Corsale 《World journal of surgery》2009,33(3):520-525
Background Laparoscopic cholecystectomy is now indisputably the gold standard for managing most gallbladder diseases. However, subversion
of the Calot triangle anatomy cannot always be managed by laparoscopy and often requires a laparotomy conversion. This report
discusses our patients treated with our personal technique.
Methods Patients undergoing subtotal cholecystectomy performed by the same surgeon with a personal technique from January 1999 to
December 2007 were considered for the present study. Sex, age, symptoms, co-morbidities, diagnostic modality, time between
hospitalization and surgery, length of postsurgical hospitalization, morbidity and mortality, and follow-up were assessed.
Results Four men and six women, aged 23 to 88 years, were included. Every patient had symptoms of acute cholecystitis. Four patients
had had symptoms for an average of 2.5 days and six for an average of 5.1 h. All patients were studied by ultrasonography,
and seven underwent computed tomography. The operation was performed within 48 h in all patients. The average hospital stay
from surgery to discharge was different for patients who underwent primary open cholecystectomy (10 days, range 5–16 days)
and those having a conversion after a laparoscopic attempt (7.8 days, range 4–16 days). During the postoperative period only
one patient presented a self-limiting biliary leak. No postoperative mortality occurred. At follow-up, any recurrences of
stone in the biliary tract or newly formed pouch were recorded.
Conclusions The results suggest that this new approach can be considered effective in every instance of subversion of the normal anatomy
of Calot’s triangle. 相似文献
40.