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1.
NPJ Parkinsons Dis ; 4: 16, 2018.
Article in English | MEDLINE | ID: mdl-29845108

ABSTRACT

INTRODUCTION: Deep brain stimulation (DBS) markedly improves motor function in advanced Parkinson's disease (PD), but its effect on sleep is less clear. PATIENTS AND METHODS: Forty PD patients who had subthalamic DBS (STN-DBS) were identified from an on-going non-motor naturalistic longitudinal study (NILS). All patients were followed up for at least 6 months, 26 patients had a 1 year follow-up. A total PDSS score of 100 or less, a score in any PDSS-item of 6 or less, and a Epworth score of 10 or more were classified as being significant. RESULTS: Forty-five percent of patients reported significant improvement in the total PDSS score at 6 months, and 35% at 12 months. In terms of magnitude, the total PDSS score at 6 months was significantly improved from baseline while the improvement at 12 months was not statistically significant. The most frequently reported improvements were overall sleep quality and maintenance of sleep. Some patients reported worsening of the total PDSS score. More than half of the patients reporting daytime sleepiness at baseline had persistent sleepiness at 6 and 12 months. The mean Epworth Score did not improve because a significant number of patients without sleepiness at baseline reported new-onset sleepiness at 6 and 12 months. Neither medication changes nor motor improvement were consistently related to sleep changes after DBS. CONCLUSION: Subthalamic DBS is associated with a statistically and clinically significant, but variable, improvement in sleep as measured by the PDSS. The most frequent improvements were better overall sleep quality and better sleep maintenance.

2.
Br J Neurosurg ; 31(3): 289, 2017 06.
Article in English | MEDLINE | ID: mdl-28637116

ABSTRACT

Suspected cauda equina syndrome (CES) requires urgent evaluation, investigation and treatment. Timing of cauda equina decompression is crucial, and delays in its management, leading to significant irreversible disability can be devastating for patient and surgeon alike. The standard of care in CES therefore needs to be clear and unambiguous. Todd and Dickson have written an excellent paper summarising the condition, and have outlined what they feel is the standard of care. We would ask the authors to clarify an important point.


Subject(s)
Cauda Equina Syndrome , Cauda Equina , Polyradiculopathy/surgery , Surgeons , Humans , Magnetic Resonance Imaging , Neurosurgeons , Standard of Care
3.
Br J Neurosurg ; 30(3): 280-5, 2016 Jun.
Article in English | MEDLINE | ID: mdl-26853515

ABSTRACT

Cerebral aspergillosis, is an infrequent, opportunistic infection of the central nervous system that accounts for 5-10% of all intracranial fungal pathology. It is uncommon in immunocompetent patients and has a significant disease burden, with high morbidity and mortality, even with appropriate treatment. Basic principles of abscess management should be employed, including aspiration and targeted anti-fungal therapy for 12-18 months. However, reported outcomes with a purely minimally invasive approach are poor and there should be a low threshold for surgical excision, especially in resource poor settings and in patients with deteriorating neurology harbouring sizeable masses. Evidence favouring gross total excision over subtotal resection is lacking, however. It is notable that these recommendations are largely based on retrospective case series and isolated case reports. There is a need therefore for international collaboration to evaluate management strategies for immunocompetent patients with cerebral aspergillosis.


Subject(s)
Antifungal Agents/therapeutic use , Aspergillosis/drug therapy , Central Nervous System/surgery , Nervous System Diseases/drug therapy , Nervous System Diseases/surgery , Aspergillosis/immunology , Aspergillosis/surgery , Central Nervous System/pathology , Humans , Nervous System Diseases/immunology , Postoperative Care , Treatment Outcome
4.
J Clin Neurosci ; 21(10): 1825-7, 2014 Oct.
Article in English | MEDLINE | ID: mdl-24938388

ABSTRACT

Cerebral aspergillosis is a rare manifestation of invasive aspergillosis that usually affects immunocompromised patients. There are few treatment options for recurrent disease and experiences with immunocompetent patients are lacking. We report the clinical course of an immunocompetent patient with recurrent cerebral aspergillosis, following initial treatment with burr hole aspiration and voriconazole, who showed remarkable response to posaconazole. The patient remains clinically well with no evidence of recurrence on MRI 7 years following diagnosis. To our knowledge this is the first reported experience with posaconazole in an immunocompetent patient with cerebral aspergillosis.


Subject(s)
Antifungal Agents/therapeutic use , Aspergillosis/drug therapy , Encephalitis/drug therapy , Triazoles/therapeutic use , Aged , Aspergillosis/pathology , Aspergillosis/surgery , Brain/drug effects , Brain/pathology , Brain/surgery , Encephalitis/pathology , Encephalitis/surgery , Humans , Magnetic Resonance Imaging , Male , Suction , Treatment Outcome , Voriconazole/therapeutic use
5.
Br J Neurosurg ; 28(1): 56-60, 2014 Jan.
Article in English | MEDLINE | ID: mdl-23841662

ABSTRACT

OBJECTIVE: To present our experience with the Misonix Ultrasonic Bone scalpel in spinal surgery, highlighting its potential applications and advantages. METHODS: Between March and December 2011, a total of 937 spinal cases were performed at a single centre. The Misonix Bone Scalpel (MBS) was used in 62 of these cases. Data were collected prospectively using the Spine Tango registry. Patient demographics, disease type, surgery performed and complications were all recorded along with pre- and post-operative core measures outcome index (COMI). RESULTS: The majority of cases were for spinal degenerative disorders, in particular, revision cases. The bone cutter was also used to achieve laminotomies for access to intradural tumours, corpectomies and a mixture of other pathologies. Of the 62 patients only 1 (1.6%) experienced a blood loss greater than 500 ml, and there was only 1 dural tear (1.6%) as a direct result of the MBS. Four illustrative cases are discussed. CONCLUSIONS: The MBS is a useful adjunct in spinal surgery with particular value in revision cases where scar tissue distorts the normal anatomy. There was a low complication rate with a trend to reduced blood loss. This was most apparent to the senior authors during cervical and thoracic corpectomies.


Subject(s)
Neurosurgical Procedures/instrumentation , Orthopedic Procedures/instrumentation , Spinal Diseases/surgery , Surgical Instruments/standards , Aged , Female , Humans , Middle Aged , Neurosurgical Procedures/adverse effects , Orthopedic Procedures/adverse effects , Registries , Surgical Instruments/adverse effects , Ultrasonography, Interventional
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