Surgical aspects of nontuberculous bacterial meningitis in infancy and childhood. The successful use of conservative surgery in management of some of its complications.
Explore the source record for details and available documents.
SEARCH · PubMed Health
Explore indexed PubMed citations for clinical trials, systematic reviews and public health research. Read source abstracts and follow each citation to its original PubMed record.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Explore the source record for details and available documents.
An infected subdural collection of intravenous fat emulsion (Intralipid) was diagnosed in a 5-week-old premature infant who was receiving total parental nutrition (TPN) through a facial vein cutdown. This fluid was successfully drained and the infection, due to Staphylococcus epidermidis, was treated with vancomycin. We postulate that the subdural collection occurred as a result of septic thrombosis of the internal jugular vein with subsequent retrograde flow and infiltration of Intralipid from the bridging veins into the subdural space. This complication of central TPN has not been reported previously.
An 11-year-old girl presented with headache of 3 months' duration. There was bilateral disc edema. The cerebrospinal fluid pressure was 50 cm of water with normal cerebrospinal fluid cytology and biochemistry. She developed severe headache (different and disabling), dizziness, vomiting, and backache on sitting up 6 hours after lumbar puncture, and lying supine relieved all of her symptoms. Intravenous fluids, analgesics, and complete bed rest did not relieve her symptoms over the next 72 hours. She was completely relieved of her symptoms on receiving two tablets of Caffergot containing 200 mg of caffeine and 2 mg of ergotamine 72 hours after lumbar puncture. The symptoms recurred 48 hours later, and a repeat dose of Caffergot was required. Magnetic resonance imaging (MRI) done 96 hours after lumbar puncture revealed the entire dura overlying the brain, including the posterior fossa, showing intense enhancement on contrast injection with leak at the lumbar puncture site. Oral caffeine (coffee, three times a day) was advised over 1 week. The patient remained asymptomatic, and a repeat MRI scan after 10 days showed complete clearing of the cerebrospinal fluid leak with no dural enhancement. The syndrome of cerebrospinal fluid hypovolemia following lumbar puncture is reported in a girl with idiopathic intracranial hypertension.
Explore the source record for details and available documents.
OBJECTIVES: To investigate the role of CSF hypovolemia in spontaneous intracranial hypotension (SIH) syndrome because so-called SIH syndrome sometimes lacks intracranial hypotension. METHODS: Ten women (aged from 28 to 49 years) with characteristic orthostatic headache without a previous history of dural tear were investigated. In addition to gadolinium (Gd)-enhanced brain MRI, spinal MRI with and without Gd enhancement was performed. RESULTS: Gd-enhanced brain MRI demonstrated diffuse pachymeningeal enhancement in all patients. Sagittal T2-weighted spinal MRI revealed a variable amount of CSF in the extradural space in all patients. Sagittal T2-weighted MRI or axial Gd-enhanced T1-weighted MRI showed dilated epidural veins located in the high cervical portion in each patient. The intensity of dilatation of the epidural veins correlated significantly with the amount of CSF in the epidural space. This suggested that the Monro-Kellie doctrine was applicable in this circumstance. CONCLUSIONS: Since some patients with SIH syndrome have normal CSF pressure and since a downward displacement of the brain due to a reduction of the buoyant action of CSF may induce symptoms, CSF hypovolemia, not intracranial hypotension, may be the cause. Based on the Monro-Kellie doctrine, detecting leaked CSF and venous engorgement (epidural vein dilatation and pachymeningeal enhancement) is an important clue to diagnose so-called SIH syndrome. Dilatation of epidural veins suggests CSF hypovolemia in appropriate conditions.
Four women age 17 to 28 years presented with orthostatic headaches as the most prominent feature of their symptom complex. None had CSF leak or intracranial hypotension. Autonomic studies showed evidence of orthostatic intolerance with tachycardia in all cases. Treatment of orthostatic intolerance, mainly with volume expansion, was only partially effective. Orthostatic headaches are not always caused by CSF leak or supine intracranial hypotension. Occasionally they may be the major clinical manifestation of postural tachycardia syndrome or orthostatic intolerance.
Thirty patients with a typical orthostatic headache were treated by early lumbar epidural blood patch (EBP) without previously performing lumbar puncture or identifying a CSF leak and with or without typical MRI changes. A complete cure was obtained in 77% of patients after one (57%) or two (20%) EBPs. Spontaneous intracranial hypotension with typical orthostatic headache can be diagnosed without lumbar puncture and can be cured by early EBP in a majority of patients.
The outcome of spontaneous intracranial hypotension has been unpredictable. The results of initial MRI were correlated to outcome of treatment in 33 patients with spontaneous intracranial hypotension. A good outcome was obtained in 25 (97%) of 26 patients with an abnormal MRI vs only 1 (14%) of 7 patients with a normal MRI (p = 0.00004). These findings show that normal initial MRI is predictive of poor outcome in spontaneous intracranial hypotension.
Increased attenuation in the basilar cisterns or along the tentorium cerebelli resembling subarachnoid hemorrhage (SAH) may be found on CT in the absence of blood (pseudo-SAH). The authors found pseudo-SAH on CT in four of 40 patients with spontaneous intracranial hypotension. All four patients had brain sagging with obliteration of the cisterns and pachymeningeal enhancement along the tentorium cerebelli. Spontaneous intracranial hypotension should be included in the differential diagnosis of pseudo-SAH.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
A 59-year-old man presented with orthostatic headaches, memory complaints, pronounced choreiform movements, and related hyperkinetic dysarthria and titubations. Head MRI findings were suggestive of CSF leak. CSF pressure was low. CT myelography documented CSF leak at the cervicothoracic junction. Targeted epidural blood patch led to resolution of symptoms, including complete disappearance of choreiform movements.
Explore the source record for details and available documents.
The authors describe five patients with typical clinical and MRI features of CSF leak and large enhancing pituitaries. The source of CSF leak was identified and surgically repaired in three patients. This was followed by disappearance of clinical symptoms and resolution of MRI abnormalities, including the pituitary enlargement. Enhancing enlargement of pituitary is another head MRI abnormality in CSF leaks, likely reflecting a secondary pituitary hyperemia.
OBJECTIVE: To investigate clinical, MRI, and radioisotope findings and therapeutic outcome of the syndrome of CSF hypovolemia. METHODS: Retrospective review was performed of 30 consecutive patients (10 men, 20 women; mean age 37 years) with the syndrome of CSF hypovolemia. RESULTS: All patients had an orthostatic headache, which was alleviated to a variable extent on recumbency. Additional clinical symptoms included nausea, dizziness, neck stiffness, blurring of vision, tinnitus, plugged ear, hearing difficulties and radicular pain of the arm. Eighty-two percent of the patients had CSF opening pressure less than 60 mm H2O, 59% had CSF pleocytosis, and 95% had increased CSF protein. Brain MRI showed diffuse pachymeningeal gadolinium enhancement on T1-weighted image in 83%, which was seen as hyperintense signals on T2-weighted imaging. Other features included subdural hematoma/hygroma in 17% and descent of the brain in 48% of the patients. Radioisotope cisternographic results identified CSF leakage sites in 52%, most often at the lumbar region. Also observed were limited ascent of the tracer to the cerebral convexity (91%), early appearance of radioisotope in the bladder (65%), and early soft tissue uptake of radioisotope (43%). Epidural blood patches were performed in 23 patients, which produced complete resolution of headaches in 70%. Two patients underwent drainage of subdural hematoma. None died or were disabled during hospitalization. CONCLUSIONS: Patients with CSF hypovolemia frequently have distinct MRI and radioisotope cisternographic abnormalities and often respond favorably to an epidural blood patch.
Explore the source record for details and available documents.
Of 25 consecutive patients with spontaneous CSF leaks treated with epidural blood patch (EBP), nine patients (36%) responded well to the first EBP. Of 15 patients who received a second EBP, five became asymptomatic (33%). Of eight patients who received three or more EBP (mean 4), four patients (50%) responded well.
Explore the source record for details and available documents.