Results 11 to 20 of about 174,149 (243)

Leak detection using instantaneous frequency analysis [PDF]

, 2012
Leaking pipes are a primary concern for water utilities around the globe as they compose a major portion of losses. Contemporary interest surrounding leaks is well documented and there is a proliferation of leak detection techniques. Although the reasons
ghazali, mohd fairusham
core   +6 more sources

Disruption of embryonic blood-CSF barrier in chick embryos reveals the actual importance of this barrier to control E-CSF composition and homeostasis in early brain development [PDF]

, 2013
In vertebrates, early brain development takes place at the expanded anterior end of the neural tube. After closure of the anterior neuropore, the brain wall forms a physiologically sealed cavity that encloses embryonic cerebrospinal fluid (E-CSF), a ...
Bueno i Torrens, David, 1965-, Parvas, Maryam   +1 more
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Efficacy of epidural blood patching or surgery in spontaneous intracranial hypotension: an evidence map protocol

Systematic Reviews, 2022
Background Spontaneous intracranial hypotension (SIH) is a debilitating disorder caused by non-iatrogenic spinal cerebrospinal fluid leaks. SIH is increasingly recognized as an important treatable cause of secondary headaches.
Timothy J. Amrhein, Peter G. Kranz, Sarah Cantrell, Constance R. Deline, Carrie M. Carr, Dong Kun Kim, Karen M. Goldstein, John W. Williams   +7 more
doaj   +1 more source

Sellar Floor Reconstruction with and without Intrasellar Fat Packing after Endoscopic Resection of Large Pituitary Macroadenomas with Evident Intraoperative CSF Leak

Indian Journal of Neurosurgery, 2023
Background Intraoperative cerebrospinal fluid (CSF) leak is not uncommon with endoscopic transsphenoidal surgical excision of pituitary macroadenomas.
Mohab Darwish, Walid Nanous, Khalaf Hamead, Mostafa Ismail   +3 more
doaj   +1 more source

CSF leak and meningitis

, 1999
We report our experience of CSF leaks and meningitis encountered in 171 consecutive acoustic neuroma resections over the last 12 years. Both sub-occipital and translabyrinthine approaches were employed. Our method of wound closure is described in detail.
Sanna, M, Wareing, M, Tierney, P
core   +5 more sources

Spontaneous intracranial hypotension: searching for the CSF leak. [PDF]

, 2022
Spontaneous intracranial hypotension is caused by loss of CSF at the level of the spine. The most frequent symptom of this disorder is orthostatic headache, with the headache worsening in the upright position and subsiding after lying down.
Piechowiak, Eike I, Dobrocky, Tomas, Nicholson, Patrick, Pereira, Vitor M, Farb, Richard, Gralla, Jan, Piechowiak, Eike Immo, Krings, Timo, Schär, Ralph, Schankin, Christoph, Beck, Jürgen, Cutsforth-Gregory, Jeremy K, Brinjikji, Waleed, Raabe, Andreas, Häni, Levin, Pereira, Vitor M., Mordasini, Pasquale, Schär, Ralph T.   +17 more
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Incidence and Significance of Intraoperative Cerebrospinal Fluid Leak in Endoscopic Pituitary Adenoma Surgery Using Intrathecal Fluorescein [PDF]

Zagazig University Medical Journal
Background: Cerebrospinal Fluid (CSF) leak during endonasal endoscopic pituitary adenoma surgery is an important factor that affects the way of sellar floor closure, postoperative CSF leak rate and postoperative outcome.
Hassan Abaza, Mohamed Mohamed Ahmed Metwaly, Tarek Abd el-Bary, Ahmed Hassanien Mohamed, Essam Elsayed Youssef   +4 more
doaj   +1 more source

Strategy of skull base reconstruction after endoscopic transnasal pituitary adenoma resection

Frontiers in Surgery, 2023
ObjectiveEndoscopic endonasal surgery (EES) is commonly performed for resection of lesions of the anterior/middle cranial fossa region. Cerebrospinal fluid (CSF) leakage is a major complication. Skull base reconstruction after EES is challenging.
Chao Zhang, Zhijun Yang, Pinan Liu, Pinan Liu   +3 more
doaj   +1 more source

Survey of healthcare professionals’ knowledge, attitudes and practices regarding spontaneous intracranial hypotension

BMJ Neurology Open, 2022
Objective To assess the knowledge, attitudes and practices of healthcare professionals regarding the diagnosis and management of spontaneous intracranial hypotension (SIH).Methods We performed a cross-sectional, web-based survey of multiple healthcare ...
Indran Davagnanam, Linda D’Antona, Susie Lagrata, Sanjay Cheema, Jane Anderson, Valeria Iodice, Manjit Matharu, Callum Duncan, Paul Armstrong, Nancy Redfern, Clare Joy, Jessica Snape-Burns, Parag Sayal, Anthony Ordman, Justin Nissen, Eyston Vaughan-Huxley   +15 more
doaj   +1 more source

Treatment, Outcome, and Relapse of Spontaneous and Nonspontaneous Cerebrospinal Fluid Leak

Brain Sciences, 2022
Cerebrospinal fluid (CSF) leak can be spontaneous or nonspontaneous. The management options include conservative treatments, blood patch, and surgical repairs.
Yi-Cheng Tai, Yi-Sheng Tai, Chang-Hsien Ou, Chun-Chung Lui, Hao-Kuang Wang, Hung-Chang Kuo, Shih-Pin Hsu   +6 more
doaj   +1 more source