121. Hydrocephalus Family Support Group: Enter Offers a place to voice experiences and receive information about hydrocephalus. http://members.tripod.com/hfsg/

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122. Adult Hydrocephalus Discussion Board A place where adults suffering with hydrocephalus can discuss topics related to this condition. http://network54.com/Hide/Forum/goto?forumid=8255

123. Mayo Clinic: Hydrocephalus - Information And Treatment Options Mayo Clinic provides information on hydrocephalus, which is typically treated using a shunt. Treatment of Childhood hydrocephalus at Mayo Clinic in Rochester. http://www.mayoclinic.org/peds-hydrocephalus-rst/

Home About Mayo Clinic Contact Us Mayo Clinic Locations: Arizona Florida Minnesota Mayo Clinic ... Medical Services Hydrocephalus (Children) Hydrocephalus (Children) Treatment Description of Hydrocephalus Symptoms and Diagnosis Causes and Risk Factors ... Medical Services Treatment of Childhood Hydrocephalus at Mayo Clinic in Rochester Each year, approximately 4,000 infants in the United States are born with hydrocephalus, and an estimated 6,000 children develop hydrocephalus during the first two years of life. The word hydrocephalus is made of two Greek words: hydro, meaning fluid and cephalus, meaning head. It is a condition in which excess fluid accumulates in the brain. Although hydrocephalus is often referred to as "water on the brain," the "water" is actually cerebrospinal fluid (CSF) a clear fluid surrounding the brain and spinal cord. CSF is manufactured in chambers inside the brain, flows through channels in the brain to get outside the brain, bathes the surface of the brain and spinal cord, and is finally absorbed into the venous blood stream. Any interruption of the normal circulation, such as a blockage, causes the fluid to accumulate in chambers inside the brain and place harmful pressure on the brain tissue. Hydrocephalus can almost always be treated successfully, eliminating symptoms such as an unusually large head, nausea and sleepiness. The intellectual impact of hydrocephalus on a child will vary depending on the severity of the hydrocephalus and other conditions that may be present.

124. Hydrocephalus Children S Healthcare Of Atlanta Neurologic Conditions hydrocephalus Introduction contributed by Roger J. Hudgins, MD and William R. Boydston, MD, Ph.D. ydrocephalus http://www.choa.org/library/conditions/hydro-intro.shtml

125. Hydrocephalus Children S Healthcare Of Atlanta Neurologic Conditions hydrocephalus Shunt Systems contributed by Roger J. Hudgins, MD and William R. Boydston, MD, Ph.D. Ventriculoperitoneal (VP) Shunt. http://www.choa.org/library/conditions/hydro-systems.shtml

126. Hydrocephalus / Shunts hydrocephalus / Shunts. hydrocephalus will develop if CSF cannot flow through the ventricular system, or if absorption into the blood stream is not normal. http://www.bcm.tmc.edu/pednsurg/disorder/hydro.htm

Hydrocephalus / Shunts Hydrocephalus is defined as an excessive accumulation of cerebrospinal fluid (CSF), within the cavities of the brain known as ventricles. Build-up in CSF volume can result from interference with normal CSF circulation (due to an obstruction in the brain's ventricular system), or as the result of a problem with CSF reabsorbtion. Hydrocephalus will develop if CSF cannot flow through the ventricular system, or if absorption into the blood stream is not normal. The condition can also be due to overproduction of CSF by a rare tumor known as a chorid plexus papilloma. Hydrocephalus can be congenital or an acquired condition. Congenital hydrocephalus simply means that the condition existed before birth. Acquired hydrocephalus develops after birth, resulting from some other factor, such as trauma, a brain tumor, scar tissue formation, or meningitis. Two types of hydrocephalus can occur; obstructive (also called non-communicating) and non-obstructive (communicating). Obstructive hydrocephalus occurs when CSF flow is obstructed within the ventricular system. Non-obstructive hydrocephalus occurs when the CSF leaving the fourth ventricle is restricted in its flow over the surface of the brain, or if the sites of absorption are not functioning adequately. Third ventriculostomy [an intracranial shunt as opposed to the extracranial (outside the brain) shunting] is another form of treatment in which a tiny perforation is made in the wall of the third ventricle, thus allowing movement of CSF out of the blocked ventricle and into the subarachnoid (one of the coverings of the central nervous system) space. The objective of the procedure is to reduce pressure on the brain from excess fluid in the ventricle without having to use a shunt. Unlike "extracranial" shunts, which may require revisions, a third ventriculostomy is a one time procedure.

127. Living With Hydrocephalus A site where people who are facing the many challenges of hydrocephalus can find support and friendship. Welcome to Living with hydrocephalus. http://groups.msn.com/LivingwithHydrocephalus

var nEditorialCatId = 102; MSN Home My MSN Hotmail Shopping ... Money Web Search: var zflag_nid="346"; var zflag_cid="20"; var zflag_sid="4"; var zflag_width="728"; var zflag_height="90"; var zflag_sz="14"; Groups Groups Home My Groups Language ... Help Living with Hydrocephalus LivingwithHydrocephalus@groups.msn.com What's New Join Now Welcome to LWH! LWH Calendar ... Tools Welcome to Living with Hydrocephalus. This site was created in order to bring people dealing with all forms of hydrocephalus in contact with each other and with resources they may not be aware of. All members of this community must be treated with respect. Flaming/member bashing will not be tolerated. This group has 3 message boards: the General board is for all hydro- related topics. The Sounding Off board is for subjects that deal with everyday life. For example: a birthday, or a child's first day of school. If you have something you need to "get off of your chest", that has nothing to do with hydrocephalus, you can do that on this board, as well. Bob's Corner is for debates. We have 3 Links pages. The Hydrocephalus Support Groups page, the Hydrocephalus Links page for websites about hydrocephalus and the Medical Links page for conditions related to hydrocephalus. Please post any links on these 3 pages, not on the message boards.

128. Hydrocephalus What is hydrocephalus? hydrocephalus is a very serious condition in which excess cerebral fluid accumulates in the brain. It may http://www.mamashealth.com/head/hydrocep.asp

Mamashealth.com Home Head "Pain" Pages Aneurysm Cerebral Palsy Coma Concussion ... Vertigo Links Email Mama What is Hydrocephalus? Hydrocephalus is a very serious condition in which excess cerebral fluid accumulates in the brain . It may be present at birth (congenital hydrocephalus) or develop later in life. In most instances, hydrocephalus is a lifelong condition where that the patient is treated rather than "cured." Hydrocephalus occurs in approximately 1 in 1,000 children. When it occurs in adults, it is often in older adults. Hydrocephalus is also called 'water on the brain'. Types of Hydrocephalus? There are two main forms of hydrocephalus: communicating and non communicating. Communicating hydrocephalus, also called non-obstructive hydrocephalus is caused by inadequate absorption of cerebrospinal fluid when the ventricular pathways in the brain are not obstructed. Noncommunicating hydrocephalus, also called obstructive hydrocephalus is caused by blockage in the ventricular pathways in the brain through which cerebrospinal fluid flows. Symptoms?

129. Hydrocephalus - Information / Diagnosis / Treatment / Prevention home neurological disorders hydrocephalus hydrocephalus. Subtopics hydrocephalus Associations, hydrocephalus Personal Pages. http://www.healthcyclopedia.com/neurological-disorders/hydrocephalus.html

Home Health cyclopedia All Topics by Category The Good Health Search Engine Health Conditions A-Z Gurus ... neurological disorders > hydrocephalus Hydrocephalus Information / Diagnosis / Treatment / Prevention External links (marked with an arrow ) open in a new window. This site is a web directory and does not offer medical advice. We cannot take responsibility for information found on listed sites. This Page Subtopics Related Topics Medical Definition Health Portals ... Web Directory: Subtopics: Hydrocephalus > Associations Hydrocephalus > Personal Pages Hydrocephalus > Support Groups Hydrocephalus > Treatments Related Topics: Genetic Disorders Neurological Disorders/Brain Diseases Neurological Disorders/Congenital Anomalies Neurological Disorders/Congenital Anomalies/Dandy Walker Syndrome ... Rare Disorders Medical Definition: University of Newcastle-upon-Tyne Medical Dictionary: "hydrocephalus" Health Portals: MayoClinic.com Health News: Search millions of published articles for news on Hydrocephalus Modern Medicine Aging The Ardell Wellness Report HealthFacts Medical Post Medical Update Men's Health and the National Women's Health Report Note: Subscription required to access the full text of articles.

130. Hydrocephalus - Medtronic.com Patient Information on the diagnosis and treatement of hydrocephalus and the Medtronic therapies and products. Medtronic, What is hydrocephalus? http://www.medtronic.com/hydrocephalus/causes.html

Choose a link to learn more What is hydrocephalus? What causes hydrocephalus? How is hydrocephalus treated? Normal Pressure Hydrocephalus Information for Physicians What causes hydrocephalus? There are two main types of hydrocephalus: congenital or acquired. The former means that the problem existed at birth, although it may not noticeably manifest itself until later in life, perhaps even adulthood. The latter means that the root cause of the hydrocephalus, whether it is head trauma, tumor or infection, occurred after birth. Aqueductal Obstruction , or Stenosis , is the most common cause of congenital hydrocephalus. The cerebral aqueduct, which conducts CSF from the third to the fourth ventricle, is blocked due to defect, inflammation, tumor or hemorrhage. This forces CSF fluid to back up, thereby causing hydrocephalus. Neural Tube Defects occur when the surrounding and supporting structure of the spinal cord, not the spinal cord itself, is defective or not fully developed. This malformation can create a blockage in the opening at the base of the skull, which in turn retards the flow of CSF from the fourth ventricle.

131. MUL: Home Page Rektorat (TISCH-Server) Medizinische Universität zu Lübeck (MUL). Department of Neurosurgery. hydrocephalus/neuroendoscopy . What means hydrocephalus? How to treat a hydrocephalus? http://www.mu-luebeck.de/struktur/klinikum/neurochir/hydroc.htm

Medizinische Universität zu Lübeck (MUL) Department of Neurosurgery "hydrocephalus/neuroendoscopy" What means hydrocephalus? The brain has 4 liquid-filled chambers called ventricles. Inside these ventricles the cerebrospinal fluid (CSF) is produced. The CSF leaves the ventricles through the fourth ventricle to a space surrounding the whole brain: the subarachnoid space. In this space the CSF is resorbed into the blood. If there is a, an occlusion, which prevents the CSF from reaching the subarachnoid space (for instance through a tumor or cystic lesion) or b, if the resorption is blocked, the size of the ventricles will enlarge with compression of the brain. The enlarged ventricular system is called hydrocephalus, in case a, we have a noncommunicating hydrocephalus, in b, a communicating hydrocephalus. How to treat a hydrocephalus? Since the 1950s catheter and valve systems are available to drain the trapped CSF to the to the peritoneal cavity: A catheter is inserted through a little burr hole to the lateral ventricle of the brain. This catheter is connected with a valve and another subcutaneous catheter, which ends to the peritoneal cavity. Through the valve the CSF can only flow if the intracranial pressure exceeds the opening pressure of the valve. This "shunt implantation" is a routine neurosurgical procedure, where no special skills are necessary. However, shunt implantation can be followed by frequent complications: Catheter dislocations, -obstructions by blood, tissue debris or proteins, -infections or overdrainage with collapse of the ventricles. That makes shunt surgery to one of the most complication-associated neurosurgical procedures.

132. Info hydrocephalus. hydrocephalus comes from the Greek words hydro meaning water and cephalus meaning head. hydrocephalus is also known as water on the brain. . http://www.unomaha.edu/~wwwsped/spd/apl/rec/tpc1/5/info.html

Hydrocephalus Hydrocephalus comes from the Greek words hydro meaning water and cephalus meaning head. The abnormal accumulation of fluid, cerebrospinal fluid (CSF) to be exact, within the ventricles inside the brain is the definition of hydrocephalus. It occurs when there in an imbalance between the amount of CSF that is being produced and the rate at which it is absorbed. When the CSF increases and builds, the ventricles enlarge and pressure inside the head increases. Hydrocephalus is also known as "water on the brain." Congenital hydrocephalus (or hydrocephalus that is present at birth), is thought to be caused by a complex interactions between genetic make-up and environmental factors. The most frequent cause of congenital hydrocephalus is aqueductal stenosis. This is an obstruction of the cerebral aqueduct. Hydrocephalus may also result from spina bifida, meningitis, tumors, cysts, and head trauma. An intraventricular hemorrhage may also cause hydrocephalus. About one in every 500 children born are affected by hydrocephalus. Although there is no known way to cure or prevent hydrocephalus, the most effective treatment is a surgical procedure. A flexible tube, called a shunt, is placed in the ventricular system of the brain. This shunt diverts the flow of CSF to another region of the body. Usually, the abdominal cavity or chamber of the heart can absorb this fluid. The most popular place to channel the fluid in a child is the abdominal cavity. Within the shunt there is a valve that maintains normal pressure of the CSF within the ventricles. Rarely are there any other options for the treatment of hydrocephalus. If the patient is a child, a neurosurgeon who specializes in pediatrics should perform this procedure.

133. THE MERCK MANUAL, Sec. 19, Ch. 261, Congenital Anomalies The hydrocephalus (see below) often associated with encephalocele requires definition by CT or ultrasound and, if it is progressive, surgical treatment with a http://www.merck.com/mrkshared/mmanual/section19/chapter261/261h.jsp

134. Hydrocephalus hydrocephalus. hydrocephalus is an abnormal expansion of cavities (ventricles) within the brain that is caused by the accumulation of cerebrospinal fluid. http://www.ehendrick.org/healthy/000693.htm

MAIN SEARCH INDEX Hydrocephalus Definition Description Causes and symptoms Diagnosis ... Resources Definition Hydrocephalus is an abnormal expansion of cavities (ventricles) within the brain that is caused by the accumulation of cerebrospinal fluid. Hydrocephalus comes from two Greek words: hydros means water and cephalus means head. There are two main varieties of hydrocephalus: congenital and acquired. An obstruction of the cerebral aqueduct (aqueductal stenosis) is the most frequent cause of congenital hydrocephalus. Acquired hydrocephalus may result from spina bifida , intraventricular hemorrhage, meningitis , head trauma, tumors, and cysts. Description Hydrocephalus is the result of an imbalance between the formation and drainage of cerebrospinal fluid (CSF). Approximately 500 milliliters (about a pint) of CSF is formed within the brain each day, by epidermal cells in structures collectively called the choroid plexus. These cells line chambers called ventricles that are located within the brain. There are four ventricles in a human brain. Once formed, CSF usually circulates among all the ventricles before it is absorbed and returned to the circulatory system. The normal adult volume of circulating CSF is 150 ml. The CSF turn-over rate is more than three times per day. Because production is independent of absorption, reduced absorption causes CSF to accumulate within the ventricles. There are three different types of hydrocephalus. In the most common variety, reduced absorption occurs when one or more passages connecting the ventricles become blocked. This prevents the movement of CSF to its drainage sites in the subarachnoid space just inside the skull. This type of hydrocephalus is called "noncommunicating." In a second type, a reduction in the absorption rate is caused by damage to the absorptive tissue. This variety is called "communicating hydrocephalus."

135. CNS Pathology ventricles. This is hydrocephalus. hydrocephalus can be due to lack of absorption of CSF or due to an obstruction to flow of CSF. http://medlib.med.utah.edu/WebPath/CNSHTML/CNS072.html

Note the marked dilation of the cerebral ventricles. This is hydrocephalus. Hydrocephalus can be due to lack of absorption of CSF or due to an obstruction to flow of CSF.

136. Hydrocephalus AdultOnset hydrocephalus. I. General Information. A patient with hydrocephalus cannot absorb CSF as quickly as his or her brain produces the fluid. http://web.mit.edu/braintrust/Neuro/Hydrocephalus.htm

The MIT Braintrust Center for Neurological Disorder Information Adult-Onset Hydrocephalus Hydrocephalus (Greek roots: hydro (water), cephalus (head)), is a condition involving the abnormal accumulation of cerebrospinal fluid (CSF) in cavities of the brain known as ventricles. CSF is normally produced in the ventricles and circulates through the ventricular systems until it is absorbed in the bloodstream. The fluid supplies nutrients and proteins to the brain and carries waste tissues away from brain cells. Part 1: General Information Part 2: Self-Help Part 3: Further Information I. General Information A patient with hydrocephalus cannot absorb CSF as quickly as his or her brain produces the fluid. A build-up of CSF results, increasing pressure in the head as the ventricles enlarge. Genetic and environmental factors are thought to contribute to the condition when it is present at birth (congenital hydrocephalus). Other patients often acquire the disease after an obstruction of the cerebral aqueduct (aqueductal stenosis), which can result from spina bifida, intraventricular hemorrhage, meningitis, head trauma, tumors and cysts. Adults with hydrocephalus may experience nausea and vomiting, migraine-like headaches, lethargy, difficulty waking or staying awake, seizures, visual impairment, irritability, or tiredness. Adults generally acquire one of two forms of hydrocephalus: hydrocephalus ex-vacuo or normal pressure hydrocephalus (NPH). Hydrocephalus ex-vacuo can accompany brain damage caused by stroke or injury. It can result in brain shrinkage, particularly in individuals with Alzheimer's disease. NPH, on the other hand, results from gradual blockage of the CSF draining pathways in the brain. Although the ventricles enlarge during NPH, the pressure of theCSF remains within normal range. Memory loss (dementia), gait disorder, urinary incontinence and a general slowing of activity are all symptoms of NPH.

137. Chronic Hydrocephalus Chronic hydrocephalus hydrocephalus. Normal Pressure hydrocephalus. Definitions Acute hydrocephalus Neurologic Emergency; Complete Obstructive hydrocephalus. http://www.fpnotebook.com/NEU25.htm

Home About Links Index ... Editor's Choice document.write(code); Advertisement Neurology CSF Cognitive Chronic Hydrocephalus Headache Pseudotumor cerebri Laboratory Cerebrospinal Fluid ... Lumbar Puncture Chronic Hydrocephalus Hydrocephalus Normal Pressure Hydrocephalus Book Home Page Cardiovascular Medicine Dentistry Dermatology Emergency Medicine Endocrinology Gastroenterology General Medicine Geriatric Medicine Gynecology Hematology and Oncology HIV Infectious Disease Jokes Laboratory Neonatology Nephrology Neurology Obstetrics Ophthalmology Orthopedics Otolaryngology Pediatrics Pharmacology Prevention Psychiatry Pulmonology Radiology Rheumatology Sports Medicine Surgery Urology Chapter Neurology Index Autonomic Cerebellum Chorea Cranial Nerve Cognitive CSF Cardiovascular Medicine Demyelinating Dermatology Disability Examination Ophthalmology Geriatric Medicine Gynecology Headache Infectious Disease Laboratory General Level of Consciousness Motor Obstetrics Pediatrics Pharmacology Procedure Psychiatry Radiology Seizure Sensory Sports Medicine Surgery Tremor Page CSF Index Cognitive Hydrocephalus Headache Pseudotumor Cerebri Definitions Acute Hydrocephalus Neurologic Emergency Complete Obstructive Hydrocephalus Chronic Hydrocephalus Described below Results in Dementia Predisposing factors Meningitis Intraventricular hemorrhage Pathophysiology Children Ventricular obstruction (noncommunicating) Aqueductal stenosis Incomplete Magendie or Luschka foramina development Associated with other neurologic abnormalities Microgyria or Macrogyria Porencephaly Agenesis of corpus callosum or cerebellar vermis

138. Neurological Disorders | Hydrocephalus | Congenital Hydrocephalus hydrocephalus. Print Format. Congenital hydrocephalus. cyst. Other medical problems associated with this form of hydrocephalus are http://www.ucsfhealth.org/childrens/medical_services/neuro/hydrocephalus/conditi

University of California, San Francisco About UCSF Quick Links... Admissions Appointments Billing Calendar Clinical Trials Clinics Conditions and Treatments Contact a Patient Contact Us Directions and Maps For Health Professionals Jobs Make A Donation Medical Dictionary Medical Tests News Patient Profiles Specialized Services UCSF Medical Center Volunteer Services Search Medical Services Neurological Disorders Topics Hydrocephalus To Visit Us ... Other Resources Hydrocephalus Print Format Congenital Hydrocephalus Signs and Symptoms Diagnosis Treatment Signs and Symptoms The most common cause of congenital hydrocephalus is obstruction of the cerebral aqueduct   the long, narrow passageway between the third and fourth ventricle or cavity of the brain. This condition may result from a blockage, infection, hemorrhage, tumor or arachnoid cyst. Other medical problems associated with this form of hydrocephalus are: Chiari malformations , an abnormality at the base of brain where the spinal column joins the skull Craniosynostosis, when the bones in the skull fuse together before the brain has stopped growing Dandy-Walker syndrome, when the fourth ventricle is enlarged because of partial or complete closure of its outlets

139. Klinik Für Neurochirurgie Translate this page AKTUELLES • VERANSTALTUNGEN • PATIENTEN • INFOS-DIENSTE-VERWEISE • SUCHEN. english version, Klinik für Neurochirurgie. Deutsche Version. http://www.med.uni-marburg.de/d-einrichtungen/neurochir/

AKTUELLES VERANSTALTUNGEN PATIENTEN INFOS-DIENSTE-VERWEISE ... SUCHEN Klinik für Neurochirurgie Start Klinikum Operative Medizin Allgemeine Informationen Adresse: Baldingerstraße 35043 Marburg Tel: Fax: Leitung: Prof. Dr. Helmut Bertalanffy Mail: bertalan@med.uni-marburg.de Wegbeschreibung / Lageplan weiter zur Homepage der Klinik für Neurochirurgie Allgemeines ... Weitere Info... URL: http://www.med.uni-marburg.de/d-einrichtungen/neurochir/ Seitenverantwortlicher: Mike Sucker Kontakt / Impressum Einrichtung zuletzt bearbeitet:

140. Spina Bifida Association Of South Australia http://www.spinabifida.asn.au/

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