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排序方式: 共有300条查询结果,搜索用时 15 毫秒
1.
Ruggieri M. Iannetti P. Polizzi A. Pavone L. Grimaldi L. M. E. 《Neurological sciences》2004,25(4):s326-s335
Neurological Sciences - Despite the consistent amount of information accumulated in recent years on multiple sclerosis (MS) in childhood, many clinicians still view this condition as an exclusively... 相似文献
2.
Pharmacological modulation of pain-related brain activity during normal and central sensitization states in humans 总被引:6,自引:0,他引:6 下载免费PDF全文
Iannetti GD Zambreanu L Wise RG Buchanan TJ Huggins JP Smart TS Vennart W Tracey I 《Proceedings of the National Academy of Sciences of the United States of America》2005,102(50):18195-18200
Abnormal processing of somatosensory inputs in the central nervous system (central sensitization) is the mechanism accounting for the enhanced pain sensitivity in the skin surrounding tissue injury (secondary hyperalgesia). Secondary hyperalgesia shares clinical characteristics with neurogenic hyperalgesia in patients with neuropathic pain. Abnormal brain responses to somatosensory stimuli have been found in patients with hyperalgesia as well as in normal subjects during experimental central sensitization. The aim of this study was to assess the effects of gabapentin, a drug effective in neuropathic pain patients, on brain processing of nociceptive information in normal and central sensitization states. Using functional magnetic resonance imaging (fMRI) in normal volunteers, we studied the gabapentin-induced modulation of brain activity in response to nociceptive mechanical stimulation of normal skin and capsaicin-induced secondary hyperalgesia. The dose of gabapentin was 1,800 mg per os, in a single administration. We found that (i) gabapentin reduced the activations in the bilateral operculoinsular cortex, independently of the presence of central sensitization; (ii) gabapentin reduced the activation in the brainstem, only during central sensitization; (iii) gabapentin suppressed stimulus-induced deactivations, only during central sensitization; this effect was more robust than the effect on brain activation. The observed drug-induced effects were not due to changes in the baseline fMRI signal. These findings indicate that gabapentin has a measurable antinociceptive effect and a stronger antihyperalgesic effect most evident in the brain areas undergoing deactivation, thus supporting the concept that gabapentin is more effective in modulating nociceptive transmission when central sensitization is present. 相似文献
3.
A de novo proximal 3q29 chromosome microduplication in a patient with oculo auriculo vertebral spectrum 下载免费PDF全文
4.
Festa F Pagnoni M Valerio R Rodolfino D Saccucci M d'Attilio M Caputi S Iannetti G 《The Journal of craniofacial surgery》2012,23(3):789-792
There are no quantitative standards for the volumetric measurements of the orbital cavity after Le Fort III advancement. Computed tomography (CT) scan images have given the opportunity to compare with accuracy the real anatomic changes and potentially the functional improvements that resulted after a surgical treatment.Three-dimensional CT scan images processed by DICOM files in Dolphin 3D Software were used to assess orbital volume and surface in 12 subjects affected by craniofacial syndromic malformations treated with Le Fort III advancement. The preoperative (T0) and postoperative (T1: 6 months after surgery) three-dimensional craniofacial CT scans of the subjects were collected and retrospectively analyzed. Image segmentation of the anatomic orbital cavity and the three-dimensional graphic rendering were done by using the Dolphin Imaging Plus 11.0 software.The orbital volume was increased after surgery, with statistical significance, from 22,267 to 22,706.3 mm(3) in the right eye and from 26,511 mm(3) to 26,256.4 mm(3) in the left eye. The surface of both bony orbits had an expansion, which is statistically significant. In conclusion, this study showed that the orbital advancement in white subjects after Le Fort III advancement was significant and produced a significant augmentation of the orbital volume and surface area with correction of the ocular bulb proptosis. 相似文献
5.
6.
Agrillo A Ungari C Filiaci F Priore P Iannetti G 《The Journal of craniofacial surgery》2007,18(5):1071-1075
Avascular osteonecrosis of the jaw (ONJ) may occur as a consequence of several conditions, even including chemotherapy treatment in patients affected by tumors or osteoporosis. We report our clinical experience in treating bisphosphonate-induced ONJ with a therapeutic methodology that includes ozone therapy as a new and original approach for the clinical management of maxillary necrotic lesions. Of 58 patients with ONJ observed at our department, 33 gave their informed consent to be part of the research and were treated according to a therapeutic approach, which included noninvasive surgery associated with pre- and postsurgical cycles of ozone therapy consisting of eight sessions lasting 3 minutes each besides antibiotic and antifungal therapies. Outcomes showed how ozone therapy increases the benefits of surgical and pharmacologic treatments, increasing the complete healing of the lesions with the disappearance of symptoms and brings cases of lesion progression down to zero. In conclusion, ozone therapy is a reliable presidium in treatment of ONJ; its benefits are remarkable and improve significantly the outcomes of the surgical approach. 相似文献
7.
Transcervical submandibular sialoadenectomy 总被引:1,自引:0,他引:1
Torroni AA Mustazza MC Bartoli DD Iannetti GG 《The Journal of craniofacial surgery》2007,18(3):613-621
The submandibular glands are subject to several pathologies that require excision. The most common problem that affects these salivary glands is sialadenitis combined with sialolithiasis. This problem occurs in the submandibular gland 10 times more frequently than it does in the parotid gland. Other illnesses frequently involving the submandibular glands are represented by sialadenosis and benign, malign, and intermediate neoplasms.Diagnosis of any disturbance in the submandibular gland involves both a clinical and instrumental (echography, traditional radiography [ortopantomography] and eventually computed tomography (CT) or magnetic resonance imaging) assessment. Surgery is the usual method of treatment of both chronic sialadenitis and neoplasms in the submandibular gland. A submandibular gland surgical approach can be cervical, intraoral, or endoscopic.The authors present their clinical experience with a total of 40 patients with illnesses involving the submandibular gland treated with submandibular gland excision by a transcervical approach. Their experience suggests that this approach entails a relatively simple procedure, involves low risks for the nerve structure around the gland, permits wide resection margins for neoplasms, and incurs little aesthetic damage. 相似文献
8.
Paolo Gennaro Glauco Chisci Guido Gabriele Giorgio Iannetti 《The British journal of oral & maxillofacial surgery》2014
Loss of sensation in the lip after insertion of an implant is annoying. The aim of this paper was to describe two techniques for management of osseointegrated dental implants that impinge on the mandibular nerve, the purpose of which is to improve sensation without unscrewing the dental implant. 相似文献
9.
Mario Mastrangelo Rosanna Mariani Alberto Spalice Martino Ruggieri Paola Iannetti 《Acta paediatrica (Oslo, Norway : 1992)》2009,98(4):760-762
The association of brain malformations and symptomatic epilepsy in the setting of neurofibromatosis type 1 (NF1) is rarely reported. When it occurs, patients can present clinically with infantile spasms, focal seizures, generalized tonic clonic seizures or atypical absences. We report on a 10-year-old (molecularly proven) NF1 girl manifesting a complex epileptic syndrome resembling the Foix–Chavany–Marie spectrum (also known as opercular syndrome) associated with bilateral (opercular and paracentral lobular) polymicrogyria (PMG). Anecdotal cases of unilateral PMG in the setting of NF1 have been described in association with other-than-opercular epileptic syndromes. The typical clinical opercular syndrome consisting in mild mental retardation, epilepsy and pseudobulbar palsy is usually associated to bilateral perisylvian PMG (BPP)
Conclusion: To the best of our knowledge, the complex epileptic syndrome hereby reported has not been previously recorded in the setting of NF1. In addition, the present girl manifested all the clinical features of an opercular syndrome but had an asymmetrical PMG (not a BPP). 相似文献
Conclusion: To the best of our knowledge, the complex epileptic syndrome hereby reported has not been previously recorded in the setting of NF1. In addition, the present girl manifested all the clinical features of an opercular syndrome but had an asymmetrical PMG (not a BPP). 相似文献
10.
Delayed and Inadequately Treated Malar Fractures: Evolution in the Treatment,Presentation of 77 Cases,and Review of the Literature 总被引:3,自引:0,他引:3
Seventy-seven cases of delayed or inadequately treated zygoma fractures, treated between 1977 and 1999 in the Maxillofacial
Surgery Division of the La Sapienza University in Rome, are presented. The functional and aesthetic problems caused by this
pathology are analyzed. The results achieved resolve some of the various aspects of inadequately treated malar fractures.
These are possible because of the development of great biomaterials and the introduction of rigid internal fixation. As a
consequence the surgical techniques have been revolutionized. Cases, with functional-aesthetic deficits or only aesthetic
deficits, are studied separately. An accurate preoperative study permits the operation suitable for the specific features
of the individual case to be carried out. 相似文献