Bertha Ramirez

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Landscape dynamics result from forestry and farming practices, both of which are expected to have diverse impacts on ecosystem services (ES). In this study, we investigated this general statement for regulating and supporting services via an assessment of ecosystem functions: climate regulation via carbon sequestration in soil and plant biomass, water cycle(More)
BACKGROUND The correlation between electrophysiological recordings, MR images, and physical findings in cervical stenosis and cervical myelopathy are still open to debate. The goal of this study was to determine sensitivity of motor-evoked potential (MEP) and somatosensory-evoked potential (SSEP) in detecting cervical myelopathy and its correlates with the(More)
STUDY DESIGN Report of a rare case of iliac artery occlusion occurring during posterior spinal surgery. OBJECTIVE To clarify causes of an acute occlusion of iliac vessels during posterior spinal surgery. SUMMARY OF BACKGROUND DATA Acute embolic occlusion of the iliac artery is a medical and surgical emergency. Iatrogenic occlusion of major vessels to(More)
BACKGROUND C5 nerve root palsy is a known complication after cervical laminectomy or laminoplasty, characterized by weakness of the deltoid and bicep brachii muscles. The efficacy of intraoperative monitoring of these muscles is currently unclear. In the current prospective study, intraoperative monitoring through somatosensory (SSEPs), motor (TcMEPs)(More)
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