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Mónica Rivero-Garvía, Javier Márquez-Rivas and Jorge Giménez-Pando

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Mónica Rivero-Garvía, F. Javier Márquez-Rivas, Antonia García-Iglesias and Raquel Gutiérrez-González

Craniometaphyseal dysplasia (CMD) is a very rare bone disorder characterized by abnormally developed metaphyses in long bones and sclerosis of the craniofacial bones. In this paper, the authors report 2 cases of children diagnosed with CMD and chronic intracranial hypertension with deletion in exon 9 of the human ANK gene (ANKH). After intracranial monitoring, a different treatment was chosen for each patient. One of the patients was treated using CSF shunting because ventriculomegaly in the absence of a Chiari malformation was also observed on cerebral MR imaging. The other patient underwent cranial expansion and decompressive craniotomy of the posterior fossa, because ventriculomegaly was excluded after cerebral MR imaging and cervical MR imaging showed a Chiari malformation Type I. The origin of intracranial hypertension in CMD is multifactorial. Previous intracranial pressure monitoring and a thorough understanding of neuroimaging studies are essential to achieve an accurate diagnosis and effective treatment.

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María José Mayorga-Buiza, Mónica Rivero-Garvía, Javier Márquez-Rivas, Carlos Velásquez-Rodríguez and Emilio Gómez-González

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Mónica Rivero-Garvía, Gregorio Rodríguez Boto, Álvaro Pérez-Zamarrón, Raquel Gutiérrez-González, Issa Subhi Issa Ahmad and Armando Martínez

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Carlos Velásquez, Mónica Rivero-Garvía, Maria Jose Mayorga-Buiza, María de los Ángeles Cañizares-Méndez, Manuel E. Jiménez-Mejías and Javier Márquez-Rivas

This report describes a reliable and simple technique for securing external ventricular drains (EVDs) to the scalp and avoiding pullout complications. The operative technique consists of fixing the drain between 2 hydrocolloid dressings and securing it with staples. A 10-year retrospective analysis of EVD pullout complications was performed in a series of 435 consecutive patients who were treated at a single institution. The EVD pullout complication rate was 0.4%. No complications related to the fixation technique were found. The median operative time required to fix the drain was 60 seconds. The technique presented here is a simple and reliable procedure to fix the EVD to the scalp, preventing pullout complications and thus reducing the morbidity of EVD reimplantation.

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Javier Márquez-Rivas, Mónica Rivero-Garvia, Maria José Mayorga-Buiza and Gregorio Rodríguez-Boto

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Jorge Tirado-Caballero, Andres Muñoz-Nuñez, Santiago Rocha-Romero, Mónica Rivero-Garvía, Emilio Gomez-González and Javier Marquez-Rivas

Intracranial pressure (ICP) measurements are imperative for the proper diagnosis and treatment of several neurological disorders. Telemetric sensors have shown their utility for ICP estimation in short-term monitoring in humans. However, their long-term reliability is uncertain. The authors present the case of a 37-year-old woman diagnosed with benign intracranial hypertension and obesity. The patient underwent gastric bypass surgery for ICP control. In order to monitor ICP before and after bariatric surgery, a Neurovent-P-tel sensor was implanted in the left frontal lobe. After gastric bypass, normal ICP values were recorded, and the patient’s visual fields improved. However, the patient experienced incapacitating daily headaches. The authors decided to implant a Codman Microsensor ICP transducer in the right frontal lobe to assess the long-term reliability of the Neurovent-P-tel measurements. A comparison of the recordings at 24 and 48 hours showed good correlation and reliability during long-term monitoring with the Neurovent-P-tel, with minimal zero drift after 11 months of implantation.

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Mónica Rivero-Garvía, Maria Jose Mayorga-Buiza, Jose Luis Narros and Javier Márquez-Rivas