Possible Causes for low intracranial pressure Hypovolemia Intact cerebral blood flow (CBF) is essential for cerebral metabolism and function, whereas hypoperfusion in relation to hypovolemia and hypocapnia can lead to severe cerebral damage. This study was designed to assess internal carotid artery blood flow (ICA-BF) during simulated hypovolemia and noninvasive positive[…] [ncbi.nlm.nih.gov] Dehydration Dehydration occurs when your body does not have as much water and fluids as it needs. Dehydration can be mild, moderate, or severe, based on how much of your body's fluid is lost or not replaced. Severe dehydration is a life-threatening emergency. You can become dehydrated if you lose too much fluid, do not[…] [nlm.nih.gov] Cervical Spondylosis Although degenerative cervical spondylosis is a common neurosurgical problem, not much has been published about the hereditary factors responsible for it. The authors report on a set of identical twins who presented to their service at a relatively young age with myelopathy due to degenerative cervical disc[…] [ncbi.nlm.nih.gov] Syringomyelia OBJECT: Hindbrain herniation syndrome, or Chiari malformation Type I (CM-I), occurs frequently with craniovertebral junction (CVJ) abnormalities when there is reduction in the posterior fossa volume. Syringomyelia is often present. Posterior fossa dorsal decompression (PFDD) is typically performed but has adverse[…] [ncbi.nlm.nih.gov] Spinal Puncture Sinclair A, Burdon M, Ball A, Nightingale N, Good P, Matthews T, Jacks A, Lawden M, Clarke C, Walker E, Tomlinson J, Stewart P, Rauz S (2010) Low-energy diet and intracranial [oadoi.org] pressure in women with idiopathic intracranial hypertension: prospective cohort study. [oadoi.org] Hematomyelia A 34-year-old woman with Factor XI deficiency presented with rapidly progressive quadriplegia following a 1-week prodrome of cervical pain. At operation, a spontaneous hematomyelia was evacuated from the C4-6 vertebral level. The pathophysiology of spontaneous hematomyelia is discussed. [ncbi.nlm.nih.gov] Spinal Cord Compression Multiple myeloma (MM) with spinal involvement may present with spinal cord or cauda equina compression, with or without neurological impairment. This occurs when a soft-tissue myelomatous mass extends into the epidural space (Barron et al., 1959 [1]). The mainstay of management for such lesions in patients with normal[…] [ncbi.nlm.nih.gov] Spinal Cord Metastasis Abstract The authors report a case of intramedullary spinal cord tumor in a 52-years old woman operated, 5 years before the beginning of medullary syndrome, for mammary carcinoma. Intramedullary metastasis was associated to another secondary localization in the pituitary stalk. The importance of magnetic[…] [ncbi.nlm.nih.gov] Spinal Neoplasm STUDY DESIGN: Retrospective Case Series. OBJECTIVE: To determine if extradural, intradural extramedullary, and intramedullary spinal neoplasms can be safely resected through a minimally invasive corridor. SUMMARY OF BACKGROUND DATA: The use of minimally invasive approaches for resection of spinal neoplasms has been[…] [ncbi.nlm.nih.gov] Spinal Epidural Hematoma High pressure decreases the perfusion pressure in brain blood vessels (since the perfusion pressure is the mean arterial pressure minus the intracranial pressure). [dartmouth.edu] If this is too low, there will be further damage to neural tissue due to ischemia, which will result in further edema and an even greater increase in pressure. [dartmouth.edu] Acute Hyperventilation The high frequency of oligaemia after hyperventilation was associated to a low hemispheric CBF before hyperventilation, but not to the level of PaCO2, the level of intracranial [ncbi.nlm.nih.gov] pressure, cerebral perfusion pressure or CSF-pH or lactate. [ncbi.nlm.nih.gov] Contusion Measures to avoid swelling include prevention of hypotension (low blood pressure), hyponatremia (insufficient sodium), and hypercapnia (increased carbon dioxide in the blood [en.wikipedia.org] [3] Due to the danger of increased intracranial pressure, surgery may be necessary to reduce it.[3] People with cerebral contusion may require intensive care and close monitoring [en.wikipedia.org] Cerebral Thrombosis • Cancer • Collagen vascular diseases like lupus, Wegener's granulomatosis, and Behcet syndrome • Obesity • Low blood pressure in the brain (intracranial hypotension) Continue [slideshare.net] Cancer Collagen vascular diseases like lupus, Wegener’s granulomatosis, and Behcet syndrome Obesity Low blood pressure in the brain (intracranial hypotension) [slideshare.net] […] blood pressure in the brain (intracranial hypotension) Inflammatory bowel disease like Crohn’s disease or ulcerative colitis What are the symptoms of cerebral venous thrombosis [hopkinsmedicine.org] Head Trauma […] blood pressure, increased intracranial pressure (pressure inside the skull), or swelling in the brain (cerebral edema). [news-medical.net] […] within the skull, called intracranial pressure (ICP). [radiologyinfo.org] Secondary injury may be caused by oxygen not reaching the brain, which can be the result of continued low blood pressure or increased intracranial pressure (pressure inside [msktc.org] Pineal Gland Cyst I still get headaches/head pain every day, coupled with some intracranial pressure and dizziness (maybe the increased dizziness is from Topamax now, too), so I don't know [medhelp.org] He told me I have migraines that turned into daily headaches, and put me on a low dose of Topamax to prevent these. [medhelp.org] Hyponatremia Other secondary headaches are those due to intracranial disorders that are not vascular such as low or high pressure of the cerebrospinal fluid pressure, non-infectious inflammatory [en.wikipedia.org] This type of headaches may also be caused by cerebral venous thrombosis or different intracranial vascular disorders. [en.wikipedia.org] […] disease, intracranial neoplasm, epileptic seizure or other types of disorders or diseases that are intracranial but that are not associated with the vasculature of the central [en.wikipedia.org] Traumatic Brain Injury A multicenter prospective randomized controlled trial of the efficacy of mild hypothermia for severely head injured patients with low intracranial pressure. [dx.doi.org] Pseudomonas Aeruginosa The term papilledema usually suggests disc edema/swelling secondary to elevated intracranial pressure, which can have many etiologies in addition to IIH. [eyewiki.aao.org] Patients with IIH usually have normal or low protein level, normal glucose levels and a normal cell count. [eyewiki.aao.org] Diffuse Brain Injury Risk of pituitary insufficiency was increased in patients with severe traumatic brain injury, patients with increased intracranial pressure and who had low Glasgow Outcome [ncbi.nlm.nih.gov] Stroke Low blood pressure is not common in acute stroke but it, like high blood pressure, is associated with a poor outcome ( Leonardi‐Bee 2002 ). [doi.org] Nevertheless, a number of case reports and series have suggested that active lowering of blood pressure in people with primary intracranial haemorrhage and ischaemic stroke [doi.org] Angina Pectoris Using Nitrolingual Pumpspray with these products may cause low blood pressure (hypotension), fainting, or heart attack. [nitrolingual.com] Nitrolingual Pumpspray should not be used in patients with increased intracranial pressure. [nitrolingual.com] Migraine MRI is more sensitive than CT for the detection of neoplasm, vascular disease, posterior fossa and cervicomedullary lesions and high and low intracranial pressure disorders [web.archive.org] Other secondary headaches are those due to intracranial disorders that are not vascular such as low or high pressure of the cerebrospinal fluid pressure, non-infectious inflammatory [en.wikipedia.org] This type of headaches may also be caused by cerebral venous thrombosis or different intracranial vascular disorders. [en.wikipedia.org] Acute Coronary Syndrome Specific risk factors for intracranial haemorrhage include female gender, advanced age, low body weight and elevated blood pressure at presentation. [rcemlearning.co.uk] Diabetic Coma This case illustrates that insulin should be used cautiously and at low dose in this disease, and that intracranial pressure monitoring is of use in the management of such [ncbi.nlm.nih.gov] We report a case of nonketotic hyperosmolal diabetic coma in a 3½-year-old child, who was successfully managed with low-dose insulin infusion and invasive intracranial pressure [pediatrics.aappublications.org] We report a case of nonketotic hyperosmolal diabetic coma in a 3 1/2-year-old child, who was successfully managed with low-dose insulin infusion and invasive intracranial [ncbi.nlm.nih.gov] Cervicogenic Headache intracranial pressure. [hindawi.com] Other secondary headaches are those due to intracranial disorders that are not vascular such as low or high pressure of the cerebrospinal fluid pressure, non-infectious inflammatory [en.wikipedia.org] Low intracranial pressure is usually caused by lumbar puncture, which can be relieved after lying down and aggravated by sitting in an upright posture.(4)Referred headache [hindawi.com] Chronic Daily Headaches intracranial pressure Brain tumors Traumatic brain injuries How are chronic daily headaches diagnosed? [barrowneuro.org] MRI is more sensitive than CT for the detection of neoplasm, vascular disease, posterior fossa and cervicomedullary lesions and high and low intracranial pressure disorders [web.archive.org] pressure that's either too high or too low Brain tumor Traumatic brain injury Medication overuse headache This type of headache usually develops in people who have an episodic [mayoclinic.org] Exfoliation Syndrome pressures across the LC similar to those in patients with elevated IOP, if these patients had unusually low intracranial pressures. [reviewofophthalmology.com] In severe cases, patients may require CSF shunting to reduce intracranial fluid pressures, but these devices typically yield extremely low intracranial fluid pressures, effectively [reviewofophthalmology.com] A growing body of evidence implicates a mismatch in trans-lamina cribrosa pressures in NTG. 22,23 For some patients, normal ocular pressure could still yield differential [reviewofophthalmology.com] Sciatica […] development and deviations in development of the nervous system -- The neurology of aging -- Disturbances of cerebrospinal fluid, including hydrocephalus, pseudotumor cerebri, and low-pressure [worldcat.org] […] syndromes -- Intracranial neoplasms and paraneoplastic disorders -- Infections of the nervous system (bacterial, fungal, spirochetal, parasitic) and sarcoidosis -- Viral [worldcat.org] Hypotension low CSF opening pressure; (ii) no recent history of dural puncture. [ncbi.nlm.nih.gov] BACKGROUND: Spontaneous intracranial hypotension (SIH) is a condition of low cerebrospinal fluid volume and pressure caused by a leak of cerebrospinal fluid through a dural [ncbi.nlm.nih.gov] Abstract Spontaneous intracranial hypotension (SIH) is a syndrome characterized by low cerebrospinal fluid (CSF) pressure and postural headaches. [ncbi.nlm.nih.gov] Glaucoma Recent studies also have implicated low intracranial pressure (the pressure that surrounds the brain) as one of the risks for glaucoma. [allaboutvision.com] Glaucoma usually occurs when too much pressure inside the eye causes damage to the optic nerve at the back of the eyeball, leading to permanent vision loss. [allaboutvision.com]
