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beta-Adrenoceptors are important modulators of cardiac function. The present study investigated beta(3)-adrenergic eNOS activation in human myocardium. We measured nitric oxide (NO) liberation (diaminofluorescence) and signal transduction (immunohistochemistry, phosphorylation of eNOS(Ser1177), eNOS(Thr495), eNOS(Ser114), Akt/protein kinase B (Akt/PKB), and(More)
BACKGROUND Fusion of lumbar spine segments is a well-established therapy for many pathologies. The procedure changes the biomechanics of the spine. Initial clinical benefits may be outweighed by ensuing damage to the adjacent segments. Various surgical devices and techniques have been developed to prevent this deterioration. "Topping off" systems combine(More)
OBJECTIVE To study the biomechanical behavior of lumbar interbody instrumentation techniques using titanium cages as either transforaminal lumbar interbody fusion (TLIF) or anterior lumbar interbody fusion (ALIF), with and without posterior pedicle fixation. METHODS Six fresh-frozen lumbar spines (L1-L5) were loaded with pure moments of +/-7.5 Nm in(More)
Tuberculosis of the spine usually occurs with a latency period after primary infection with tuberculosis (TB) and the most frequent agent is Mycobacterium tuberculosis. The rate of TB has increased due to the impact of acquired immunodeficiency syndrome (AIDS) and more than 50% of skeletal tuberculosis is localized in the spine. Spinal tuberculosis was(More)
The infection with non-tuberculous mycobacterium correlates highly with immunodeficiency. Mycobacterium xenopi (M. xenopi) is most commonly isolated in the respiratory tract, as a cause of endogenous spondylodiscitis it occurs but rarely. Only seven such cases have been reported in literature. In this paper, we present the case of an about 28-year-old(More)
The clinical case of a 34-year-old patient is presented who was diagnosed with Ewing sarcoma in the right pedicle of the L5 vertebral body on the basis of persisting dorsolumbar pain. Staging examinations including CT scan of the thorax and abdomen as well as bone scintigraphy were inconspicuous. The patient underwent 6 cycles of neoadjuvant chemotherapy(More)
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