Lege Artis Medicinae

[Fulvestrant therapy for preventing the progression of advanced bone metastasis]

GYERGYAY Fruzsina

OCTOBER 20, 2010

Lege Artis Medicinae - 2010;20(10)

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Lege Artis Medicinae

[Disorders of despair]

BÁNFALVI Attila

Lege Artis Medicinae

[Connection between fetal development and adult diseases - Long acting effects of stress affecting the mother and the fetus]

MOLNÁR Ildikó

[The stress responses affecting the mother and the fetus have a life-long consequence in the manifestation of adult metabolic disorders. The perinatal stress inducing fetal adaptation contributes to alterations in tissue structures and hormone regulations as well as could lead to intrauterine growth retardation. The newborns with low birth weight are associated with the glucocorticoid, adrenaline and insulin resistance making them postnatal susceptible to obesity, diabetes type 2 and hypertonia. The number of newborns with low birth weight increase, therefore the prevention of adult diseases originating from perinatal misprogramming represents a frequent challenge for health services and society.]

Lege Artis Medicinae

[Successful localization of an insulinoma with angiography]

BAKÓ Barnabás, LÁZÁR István, TARKÓ Erzsébet, OROSZ Péter

Lege Artis Medicinae

[Carvedilol and its antioxidant effect]

KOVÁCS Imre

[Carvedilol, the typical basic variant of the third generation beta blocker drugs is a complex adrenergic blocker that also has Ca channel blocking effects. It has no effect of the metabolism and has a pregnant antioxidant effect that is significant for cardiac and hypertension target organ protection. Its beneficial effect on cardiac decompensation, on target organ protection in patients with hypertension and on primary and secondary prevention of ischemic heart disease is proven by clinical studies. The effect of free radicals trapping - not shown by the majority of beta blockers - plays a major role in these beneficial effects. Inflammatory factors and free radicals (ROS) play a central role in cardiovascular diseases and can be regarded as prognostic markers of vascular damage. Elevated levels of glucose, lipids, or elevated intraluminal pressure triggers the production of various free radicals. The anti-inflammatory effect of carvedilol results out of its antioxidant (scavenger) and ROS suppressive effects. Besides its complex adrenergic blocking effect, this ability of carvedilol gives a molecular explanation for its efficiency proven by clinical trials.]

Lege Artis Medicinae

[A new DPP-IV inhibitor: saxagliptin]

KIS János Tibor, MÉSZÁROS Gabriella

[Saxagliptin is a selective, potent inhibitor of dipeptidyl peptidase-IV (DPP-IV). By inhibiting DPP-IV, saxagliptin reduces the degradation of endogenous incretin hormones, resulting in increased glucose-dependent insulin and decreased glucagon secretion from the pancreas islets. Clinical trials of saxagliptin as monotherapy and as combination therapy with other oral antidiabetic medications including metformin, glibenclamide, glipizide, pioglitazone and rosiglitazone have demonstrated clinical benefits in different glycaemic endpoints. Due to its glucose- dependent mechanism of action, saxagliptin as monotherapy or in combination with metformin results in a very low risk for hypoglycemia. It has also been shown to be generally well-tolerated, with not having any relevant effect on weight. The authors summarize the most important saxagliptin trials.]

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Late simultaneous carcinomatous meningitis, temporal bone infiltrating macro-metastasis and disseminated multi-organ micro-metastases presenting with mono-symptomatic vertigo – a clinico-pathological case reporT

JARABIN András János, KLIVÉNYI Péter, TISZLAVICZ László, MOLNÁR Anna Fiona, GION Katalin, FÖLDESI Imre, KISS Geza Jozsef, ROVÓ László, BELLA Zsolt

Although vertigo is one of the most common complaints, intracranial malignant tumors rarely cause sudden asymmetry between the tone of the vestibular peripheries masquerading as a peripheral-like disorder. Here we report a case of simultaneous temporal bone infiltrating macro-metastasis and disseminated multi-organ micro-metastases presenting as acute unilateral vestibular syndrome, due to the reawakening of a primary gastric signet ring cell carcinoma. Purpose – Our objective was to identify those pathophysiological steps that may explain the complex process of tumor reawakening, dissemination. The possible causes of vestibular asymmetry were also traced. A 56-year-old male patient’s interdisciplinary medical data had been retrospectively analyzed. Original clinical and pathological results have been collected and thoroughly reevaluated, then new histological staining and immunohistochemistry methods have been added to the diagnostic pool. During the autopsy the cerebrum and cerebellum was edematous. The apex of the left petrous bone was infiltrated and destructed by a tumor mass of 2x2 cm in size. Histological reexamination of the original gastric resection specimen slides revealed focal submucosal tumorous infiltration with a vascular invasion. By immunohistochemistry mainly single infiltrating tumor cells were observed with Cytokeratin 7 and Vimentin positivity and partial loss of E-cadherin staining. The subsequent histological examination of necropsy tissue specimens confirmed the disseminated, multi-organ microscopic tumorous invasion. Discussion – It has been recently reported that the expression of Vimentin and the loss of E-cadherin is significantly associated with advanced stage, lymph node metastasis, vascular and neural invasion and undifferentiated type with p<0.05 significance. As our patient was middle aged and had no immune-deficiency, the promoting factor of the reawakening of the primary GC malignant disease after a 9-year-long period of dormancy remained undiscovered. The organ-specific tropism explained by the “seed and soil” theory was unexpected, due to rare occurrence of gastric cancer to metastasize in the meninges given that only a minority of these cells would be capable of crossing the blood brain barrier. Patients with past malignancies and new onset of neurological symptoms should alert the physician to central nervous system involvement, and the appropriate, targeted diagnostic and therapeutic work-up should be established immediately. Targeted staining with specific antibodies is recommended. Recent studies on cell lines indicate that metformin strongly inhibits epithelial-mesenchymal transition of gastric cancer cells. Therefore, further studies need to be performed on cases positive for epithelial-mesenchymal transition.

Clinical Neuroscience

Evaluation of the effectiveness of transforaminal epidural steroid injection in far lateral lumbar disc herniations

EVRAN Sevket, KATAR Salim

Far lateral lumbar disc herniations (FLDH) consist approximately 0.7-12% of all lumbar disc herniations. Compared to the more common central and paramedian lumbar disc herniations, they cause more severe and persistent radicular pain due to direct compression of the nerve root and dorsal root ganglion. In patients who do not respond to conservative treatments such as medical treatment and physical therapy, and have not developed neurological deficits, it is difficult to decide on surgical treatment because of the nerve root damage and spinal instability risk due to disruption of facet joint integrity. In this study, we aimed to evaluate the effect of transforaminal epidural steroid injection (TFESI) on the improvement of both pain control and functional capacity in patients with FLDH. A total of 37 patients who had radicular pain caused by far lateral disc herniation which is visible in their lumbar magnetic resonance imaging (MRI) scan, had no neurological deficit and did not respond to conservative treatment, were included the study. TFESI was applied to patients by preganglionic approach. Pre-treatment Visual Analogue Scale (VAS) and Oswestry Disability Index (ODI) scores of the patients were compared with the 3rd week, 3rd month and 6th month scores after the procedure. The mean initial VAS score was 8.63 ± 0.55, while it was 3.84 ± 1.66, 5.09 ± 0.85, 4.56 ± 1.66 at the 3rd week, 3rd month and 6th month controls, respectively. This decrease in the VAS score was found statistically significant (p = 0.001). ODI score with baseline mean value of 52.38 ± 6.84 was found to be 18.56 ± 4.95 at the 3rd week, 37.41 ± 14.1 at the 3rd month and 34.88 ± 14.33 at the 6th month. This downtrend of pa­tient’s ODI scores was found statistically significant (p = 0.001). This study has demonstrated that TFESI is an effective method for gaining increased functional capacity and pain control in the treatment of patients who are not suitable for surgical treatment with radicular complaints due to far lateral lumbar disc hernia.

Clinical Neuroscience

Cholinesterase inhibitors and memantine for the treatment of Alzheimer and non-Alzheimer dementias

BALÁZS Nóra , BERECZKI Dániel, KOVÁCS Tibor

In aging societies, the morbidity and mortality of dementia is increasing at a significant rate, thereby imposing burden on healthcare, economy and the society as well. Patients’ and caregivers’ quality of life and life expectancy are greatly determined by the early diagnosis and the initiation of available symptomatic treatments. Cholinesterase inhibitors and memantine have been the cornerstones of Alzheimer’s therapy for approximately two decades and over the years, more and more experience has been gained on their use in non-Alzheimer’s dementias too. The aim of our work was to provide a comprehensive summary about the use of cholinesterase inhibitors and memantine for the treatment of Alzheimer’s and non-Alzheimers’s dementias.

Clinical Neuroscience

[Is the implementation of Vojta therapy associated with faster gross motor development in children with cerebral palsy? ]

SANZ-MENGIBAR Jose Manuel , MENENDEZ-PARDIÑAS Monica , SANTONJA-MEDINA Fernando

[Vojta therapy has been reported as clinically beneficial for strength, movement and gross motor activities in individual cases and is being included within the second of three levels of evidence in interventions for cerebral palsy. The goal of this study is to understand the effect of Vojta therapy on the gross motor function. Our clinical trial followed a one group, pre-post design to quantify rates of changes in GMFM-88 after a two-months period undergoing Vojta therapy. A total of 16 patients were recruited. Post-intervention acceleration rates of GMFM-88-items acquisition (0.005; p<0.001) and Locomotor Stages (1.063; p<0.0001) increased significatively following Vojta the­rapy intervention. In this study, Vojta therapy has shown to accelerate the acquisition of GMFM-88-items and Loco­motor Stages in children with cerebral palsy younger than 18 months. Because functional training was not utilised, and other non-Vojta therapy intervention did not influence the outcome, Vojta therapy seems to activate the postural control required to achieve uncompleted GMFM-88-items. ]

Clinical Neuroscience

The applications of transcranial Doppler in ischemic stroke

FINNSDÓTTIR Herdis, SZEGEDI István, OLÁH László, CSIBA László

Background: This overview provides a summary of the applications of transcranial Doppler (TCD) in ischemic stroke. Results: A fast-track neurovascular ultrasound protocol has been developed for detecting occlusion or stenosis. The technique is more reliable in the carotid area than in the posterior circulation. By monitoring the pulsatility index the in­crea­sed intracranial pressure can be diagnosed. TIBI score was developed for grading residual flow. TCD has been shown to accurately predict complete or any recanalization. Regarding recanalization, TCD has a sensitivity of 92%, a specificity of 88%, a positive predictive value of 96%, a negative predictive value of 78% and an overall accuracy of 91%, respectively. Sonothrombolysis seemed to be a promising application but randomized controlled trials have shown that it does not improve clinical outcome. TCD examination can detect microembolic signals (MES) which are associated with an increased risk of stroke. Micro­em­boli were detected in symptomatic and asymptomatic carotid artery stenosis and during carotid endarterectomy. The number of microemboli can be decreased by antithrombotic therapy. Contrast en­chan­ced examination and Valsalva maneuver with continuous TCD monitoring can accurately screen for right-to-left shunt.