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Neurosurgical anaesthesia

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https://www.readbyqxmd.com/read/29161465/neuromuscular-electrical-stimulation-for-the-prevention-of-venous-thromboembolism
#1
REVIEW
Shahab Hajibandeh, Shahin Hajibandeh, George A Antoniou, James Rh Scurr, Francesco Torella
BACKGROUND: Venous thromboembolism (VTE) is a serious but preventable cause of morbidity and mortality. Neuromuscular electrical stimulation systems (NMES) for the prevention of VTE may be beneficial for patients in whom pharmacological or standard mechanical prophylaxis methods are contraindicated or are regarded as unsafe or impractical. Although findings of experimental studies suggest that NMES reduce venous stasis, the clinical utility and effectiveness of NMES in VTE prevention remain controversial...
November 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29132231/the-use-of-desflurane-for-neurosurgical-procedures-in-rhesus-macaque-macaca-mulatta
#2
Henri Gmj Bertrand, Charlotte Sandersen, Paul A Flecknell
Volatile agents are widely used to anaesthetise laboratory non-human primates as they allow a rapid induction and recovery as well as an easy adjustment of the anaesthesia plan. Desflurane is currently the volatile agent with the lowest solubility in blood, and hence enables the most rapid onset of anaesthesia and most rapid recovery. This study aimed to investigate the suitability of desflurane for maintenance of general anaesthesia in rhesus macaques undergoing elective experimental neurosurgery. Fourteen primates (five males and nine females) were sedated with ketamine (10 mg kg(-1)) and anaesthesia was induced with propofol (usually 8 mg kg(-1) IV)...
January 1, 2017: Laboratory Animals
https://www.readbyqxmd.com/read/28948899/comparison-of-emergence-times-and-quality-between-isoflurane-and-sevoflurane-in-rhesus-macaque-macaca-mulatta-undergoing-neurosurgical-procedure
#3
Henri G M J Bertrand, Svenja Springer, Wesley Burnside, Charlotte Sandersen, Paul A Flecknell
Volatile agents for anaesthesia are widely used for anaesthetizing laboratory primates, and isoflurane is one of the most frequently used agents. Sevoflurane has been shown to offer a more rapid recovery than isoflurane in a number of species, but no comparisons have been made in non-human primates. This study compared the recovery characteristics of isoflurane and sevoflurane in rhesus macaques undergoing experimental neurosurgery. Twelve primates (7 males and 5 females) were randomly allocated to the treatment groups...
October 2017: Laboratory Animals
https://www.readbyqxmd.com/read/28876566/a-survey-of-selected-key-areas-of-management-of-south-african-neurosurgical-patients
#4
C H Daniel, M D du Trevou
BACKGROUND: Previous surveys of neurosurgical patient management, including a South African (SA) survey conducted in 2001, confirmed the existence of significant dissimilarities in management on national and international levels. This survey aimed to determine current SA neurosurgical patient management and to compare this with international trends. METHOD: Questionnaires in multiple choice question (MCQ) and free text entry format covering key areas of neurosurgical practice were emailed to SA neurosurgeons following ethics approval...
September 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28468670/the-effect-of-dexmedetomidine-on-cerebral-perfusion-and-oxygenation-in-healthy-piglets-with-normal-and-lowered-blood-pressure-anaesthetized-with-propofol-remifentanil-total-intravenous-anaesthesia
#5
Mai Louise Grandsgaard Mikkelsen, Rikard Ambrus, Rune Rasmussen, James Edward Miles, Helle Harding Poulsen, Finn Borgbjerg Moltke, Thomas Eriksen
BACKGROUND: During anaesthesia and surgery, in particular neurosurgery, preservation of cerebral perfusion and oxygenation (CPO) is essential for normal postoperative brain function. The isolated effects on CPO of either individual anaesthetic drugs or entire anaesthetic protocols are of importance in both clinical and research settings. Total intravenous anaesthesia (TIVA) with propofol and remifentanil is widely used in human neuroanaesthesia. In addition, dexmedetomidine is receiving increasing attention as an anaesthetic adjuvant in neurosurgical, intensive care, and paediatric patients...
May 3, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28077536/cerebral-oxygen-saturation-and-cardiac-output-during-anaesthesia-in-sitting-position-for-neurosurgical-procedures-a-prospective-observational-study
#6
P Schramm, I Tzanova, F Hagen, M Berres, D Closhen, G Pestel, K Engelhard
BACKGROUND: Neurosurgical operations in the dorsal cranium often require the patient to be positioned in a sitting position. This can be associated with decreased cardiac output and cerebral hypoperfusion, and possibly, inadequate cerebral oxygenation. In the present study, cerebral oxygen saturation was measured during neurosurgery in the sitting position and correlated with cardiac output. METHODS: Perioperative cerebral oxygen saturation was measured continuously with two different monitors, INVOS(®) and FORE-SIGHT(®)...
October 2016: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/27684366/chronic-subdural-haematomas-in-elderly-population-neurosurgical-aspects-and-focus-on-the-single-burr-hole-technique-performed-under-assisted-local-anaesthesia
#7
Romuald Seizeur, Francis Abed-Rabbo, Sami Obaid, Philippe Saliou, Alexandre Simon, Phong Dam Hieu, Elsa Magro
OBJECTIVE: Chronic subdural haematomas (CSDH) is a common pathology that usually affects the elderly population. The incidence of CSDH has recently been increasing with the expansion of the aging population. The objective of our study was to evaluate the outcome following surgical drainage of CSDH in elderly patients. MATERIALS AND METHODS: We performed a retrospective analysis of 455 consecutive patients with CSDHs over a 5-year period. Among them, all 121 patients older than 80-year old were included in the study...
April 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/27611234/intravenous-versus-inhalational-techniques-for-rapid-emergence-from-anaesthesia-in-patients-undergoing-brain-tumour-surgery
#8
REVIEW
Hemanshu Prabhakar, Gyaninder Pal Singh, Charu Mahajan, Indu Kapoor, Mani Kalaivani, Vidhu Anand
BACKGROUND: Brain tumour surgery usually is carried out with the patient under general anaesthesia. Over past years, both intravenous and inhalational anaesthetic agents have been used, but the superiority of one agent over the other is a topic of ongoing debate. Early and rapid emergence from anaesthesia is desirable for most neurosurgical patients. With the availability of newer intravenous and inhalational anaesthetic agents, all of which have inherent advantages and disadvantages, we remain uncertain as to which technique may result in more rapid early recovery from anaesthesia...
September 9, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27450281/the-outcomes-of-early-aneurysm-repair-in-world-federation-of-neurosurgical-societies-grade-v-subarachnoid-haemorrhage-patients-with-emphasis-on-those-presenting-with-a-glasgow-coma-scale-score-of-3
#9
Joji Inamasu, Shunsuke Nakae, Tatsuo Ohmi, Hirotaka Kogame, Yushi Kawazoe, Tadashi Kumai, Riki Tanaka, Akira Wakako, Kiyonori Kuwahara, Tsukasa Ganaha, Yuichi Hirose
Grade V subarachnoid haemorrhage (SAH) patients may be dichotomised into those with temporary deterioration and those with irreversible injury, and only the former have a chance of favourable outcomes by aneurysm obliteration. One method of differentiating the two conditions is to wait and observe potential recovery for 12-48hours. However, early rebleeding and non-convulsive seizures may occur during this period. In our institution, grade V SAH patients receive immediate treatment (general anaesthesia induction and aneurysm obliteration within 24hours of onset) to minimise those risks...
November 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27057213/evaluation-of-hyperglycaemic-response-to-intra-operative-dexamethasone-administration-in-patients-undergoing-elective-intracranial-surgery-a-randomised-prospective-study
#10
Rakesh Sethi, Imtiaz A Naqash, Sukhminder Jit Singh Bajwa, Vikas Dutta, Altaf Umar Ramzan, Syed Amir Zahoor
BACKGROUND AND AIM: The glucocorticoid dexamethasone in a bolus dose of 8-10 mg followed by quarterly dose of 4 mg is commonly used during intracranial surgery so as to reduce oedema and vascular permeability. However, the detrimental hyperglycaemic effects of dexamethasone may override its potentially beneficial effects. The present prospective, randomised study aimed at comparing the degree and magnitude of hyperglycaemia induced by prophylactic administration of dexamethasone in patients undergoing elective craniotomy...
April 2016: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/27013078/falsely-low-values-of-oxygen-saturation-measured-by-pulse-oximetry-in-a-boy-treated-with-chinese-herb-tea
#11
Agnes S Meidert, Alexander Lang, Georg Hennig, Patricia Bernasconi, Aurelia Peraud, Josef Briegel, Tanija K Hüttl
An 8-year-old boy suffering from progressive glioblastoma was scheduled for neurosurgery. Prior to induction of anaesthesia pulse oximetry measured 64 % saturation of oxygen (SpO2). Arterial blood gas analysis revealed normal oxygen saturation and normal oxygen partial pressure. After having ruled out technical problems of pulse oximetry the neurosurgical procedure was halted. Meticulous examination of the child's history and medication did not explain a possible interaction of drugs with pulse oximetry. A Chinese herb tea had been given to the child, but was then stopped on the day of admission...
April 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/26859497/assessing-the-eligibility-of-a-non-invasive-continuous-blood-pressure-measurement-technique-for-application-during-total-intravenous-anaesthesia
#12
Robert Huhle, Joachim Siegert, Fred Wonka, Christoph Schindler, Marcelo Gama de Abreu, Thea Koch, Ute Morgenstern, Herman Theilen
OBJECTIVE: To assess the eligibility for replacement of invasive blood pressure as measured "within" the arterial vessel (IBP) with non-invasive continuous arterial blood pressure (cNIP) monitoring during total intravenous anaesthesia (TIVA), the ability of cNiP to track fast blood pressure changes needs to be quantified. A new method of statistical data analysis is developed for this purpose. METHODS: In a pilot study on patients undergoing neurosurgical anaesthesia, mean arterial pressure MAPIBP measured with IBP was compared to MAPCNP measured by the CNAP Monitor 500 in ten patients (age: 63±13 a)...
June 1, 2016: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/26492904/no-association-between-seniority-of-surgeon-and-postoperative-recurrence-of-chronic-subdural-haematoma
#13
I Phang, R Sivakumaran, M C Papadopoulos
INTRODUCTION: Neurosurgical trainees should achieve competency in chronic subdural haematoma (CSDH) drainage at an early stage in training. The effect of surgeon seniority on recurrence following surgical drainage of CSDH was examined. METHODS: All CSDH cases performed at St George's Hospital in London between March 2009 and March 2012 were analysed. Recurrence was defined as clinical deterioration with computed tomography evidence of CSDH requiring reoperation within six months...
November 2015: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/26379291/comparison-between-sevoflurane-and-desflurane-on-emergence-and-recovery-characteristics-of-children-undergoing-surgery-for-spinal-dysraphism
#14
Priyanka Gupta, Girija Prasad Rath, Hemanshu Prabhakar, Parmod Kumar Bithal
BACKGROUND AND AIMS: Rapid recovery is desirable after neurosurgery as it enables early post-operative neurological evaluation and prompt management of complications. Studies have been rare comparing the recovery characteristics in paediatric neurosurgical patients. Hence, this study was carried out to compare the effect of sevoflurane and desflurane anaesthesia on emergence and extubation in children undergoing spinal surgery. METHODS: Sixty children, aged 1-12 years, undergoing elective surgery for lumbo-sacral spinal dysraphism were enrolled...
August 2015: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/26306934/the-accuracy-of-clinical-symptoms-in-detecting-cauda-equina-syndrome-in-patients-undergoing-acute-mri-of-the-spine
#15
Abdul Ahad, Mohammed Elsayed, Hassaan Tohid
A large number of patients do not have cauda equina syndrome (CES) on MRI to account for their clinical findings; consequently, the majority of urgent scans requested are normal. We aimed to determine whether any clinical manifestation of CES, as stated in Royal College of Radiology guidelines, could predict the presence of established CES on MRI. We also aimed to support a larger study to develop a more universal assessment tool for acute lower back pain.A retrospective analysis of consecutive patients who warranted urgent MRI was conducted...
August 2015: Neuroradiology Journal
https://www.readbyqxmd.com/read/26170346/dexmedetomidine-review-update-and-future-considerations-of-paediatric-perioperative-and-periprocedural-applications-and-limitations
#16
REVIEW
M Mahmoud, K P Mason
Despite lack of paediatric labelling, contributions to the literature on paediatric applications of dexmedetomidine have increased over recent years. Dexmedetomidine possesses many properties that are advantageous for a sedative and anaesthetic; it has been reported to provide sedation that parallels natural sleep, anxiolysis, analgesia, sympatholysis, and an anaesthetic-sparing effect with minimal respiratory depression. In addition, there is increasing evidence supporting its organ-protective effects against ischaemic and hypoxic injury...
August 2015: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/26083137/designing-an-operating-theatre-for-awake-procedures-a-solution-to-improve-multimodality-information-input
#17
Michel Wager, Philippe Rigoard, Benoit Bataille, Claude Guenot, Aurélie Supiot, Jean-Luc Blanc, Veronique Stal, Claudette Pluchon, Coline Bouyer, Roger Gil, Foucaud Du Boisgueheneuc
OBJECTIVE: Many neurosurgical procedures are now performed with the patient aware in order to allow interactions between the patient and healthcare professionals. These procedures include awake brain surgery and spinal cord stimulation (SCS), lead placement for treatment of refractory chronic back and leg pain. Neurosurgical procedures under local anaesthesia require optimal intraoperative cooperation of the patient and all personnel involved in surgery. In addition to accommodating this extra source of intraoperative information all other necessary sources of data relevant to the procedure must be presented...
2015: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/26065287/-minimally-invasive-surgery-in-treatment-of-lumbar-intervertebral-disc-herniation
#18
Krešimir Rotim, Tomislav Sajko, Marta Borić, Ante Subašić
Surgical treatment of lumbar intervertebral disc herniation is one of the most common neurosurgical procedures. Besides conventional surgical techniques, in the last more than 30 years, different methods with minimal damage to neuromuscular spine structures are being developed and introduced, all having the purpose of reducing postoperative back pain. The advantages of the minimally invasive spine surgery include: possibility of performing procedures under local anaesthesia, reduced hospital stay, limited blood loss with consecutively reduced fibrous tissue development...
March 2015: Lijec̆nic̆ki Vjesnik
https://www.readbyqxmd.com/read/26019353/comparative-evaluation-of-propofol-sevoflurane-and-desflurane-for-neuroanaesthesia-a-prospective-randomised-study-in-patients-undergoing-elective-supratentorial-craniotomy
#19
Priska Bastola, Hemant Bhagat, Jyotsna Wig
BACKGROUND AND AIMS: Both inhalational and intravenous anaesthetic agents are being used for neuroanaesthesia. Clinical trials comparing "propofol and sevoflurane" and "desflurane and sevoflurane" have been published. However, the comparison of all the three anaesthetics in neurosurgical patients has not been done. A randomised clinical study was carried out comparing propofol, sevoflurane and desflurane to find the ideal neuroanaesthetic agent. METHODS: A total of 75 adult patients undergoing elective craniotomy for supratentorial tumours were included in the study...
May 2015: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/25804682/national-survey-on-thromboprophylaxis-and-anticoagulant-or-antiplatelet-management-in-neurosurgical-and-neurocritical-patients
#20
E Vázquez-Alonso, N Fábregas, P Rama-Maceiras, I Ingelmo Ingelmo, R Valero Castell, L Valencia Sola, F Iturri Clavero
OBJECTIVES: To determine the protocols used by Spanish anaesthesiologists for thromboprophylaxis and anticoagulant or antiplatelet drugs management in neurosurgical or neurocritical care patients. MATERIAL AND METHODS: An online survey with 22 questions, with one or multiple options, launched by the Neuroscience Subcommittee of the Spanish Anaesthesia Society and available between June and October 2012. RESULTS: Of the 73 hospitals included in the National Hospitals Catalogue, a valid response to the online questionnaire was received by 41 anaesthesiologists from 37 sites (response rate 50...
December 2015: Revista Española de Anestesiología y Reanimación
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