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Park CG, Lee D, Jeong WS, Kim DS, Jo YY, Kwak HJ. Impact of Remimazolam versus Sevoflurane Anesthesia on Cerebral Oxygenation and Intracranial Pressure during Gynecological Laparoscopy with Mild Hypercapnia. Med Sci Monit 2023; 29:e941315. [PMID: 37717140 PMCID: PMC10510424 DOI: 10.12659/msm.941315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 08/01/2023] [Indexed: 09/18/2023] Open
Abstract
BACKGROUND Remimazolam has the advantage of better hemodynamic stability compared with other anesthetics. We compared the effects of remimazolam and sevoflurane on cerebral oxygenation, intracranial pressure, and intraoperative hemodynamic parameters during mild hypercapnia in patients undergoing laparoscopy in the Trendelenburg position. MATERIAL AND METHODS Sixty-two patients (20-65 years old) scheduled for gynecological laparoscopy were randomly allocated to either the remimazolam (n=31) or sevoflurane (n=31) group. Respiratory and hemodynamic parameters and regional cerebral oxygen saturation (rSO₂) were recorded. Intracranial pressure was measured using the optic nerve sheath diameter (ONSD). RESULTS The change over time in rSO₂ did not differ between groups (P=0.056). The change in ONSD over time showed a significant intergroup difference (P=0.002). ONSD significantly changed over time (P=0.034) in the sevoflurane group but not in the remimazolam group (P=0.115). The changes in mean arterial pressure and heart rate over time showed significant intergroup differences (P=0.045 and 0.031, respectively). The length of stay and the use of rescue antiemetics and analgesics in the postanesthetic care unit were significantly lower in the remimazolam group than in the sevoflurane group (P=0.023, 0.038, and 0.018, respectively). CONCLUSIONS Remimazolam can provide a favorable hemodynamic profile and attenuate the increase in ONSD during gynecological laparoscopy compared with sevoflurane anesthesia during lung-protective ventilation with mild hypercapnia. Remimazolam can provide faster and better postoperative recovery than sevoflurane anesthesia.
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Uttanganakam S, Hansda U, Sahoo S, Shaji IM, Guru S, Topno N, Sahoo NK. Sonographic Optic Nerve Sheath Diameter as a Guide for Correction of Hyponatremia in the Emergency Department: A Cross-sectional Study. Indian J Crit Care Med 2023; 27:265-269. [PMID: 37378026 PMCID: PMC10291655 DOI: 10.5005/jp-journals-10071-24438] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 03/20/2023] [Indexed: 08/30/2024] Open
Abstract
BACKGROUND Monitoring sodium levels during the correction of hyponatremia is essential. There is cell swelling due to the movement of water from extracellular to intracellular by osmotic effect in hyponatremia. The cellular swelling in a closed space causes increased intracranial pressure (ICP). The raised ICP correlates with the optic nerve sheath diameter (ONSD). So, the research question was whether the ONSD can be used as a guide for the correction of hyponatremia. METHODS It was a prospective observational study conducted on patients with serum sodium below 135 mEq/L presented to the emergency department (ED). The ONSD was measured at the time of presentation and discharge of the patient. The receiver operating characteristic curve (ROC) and area under the curve (AUC) were used to test the predictive ability of the ONSD to diagnose hyponatremia. RESULTS A total of 54 subjects were included in the study. The mean sodium level was 109.3 mEq/L at presentation. The mean ONSD on the right side was 6.24 ± 0.71 mm and on the left side was 6.26 ± 0.64 mm at presentation to ED. The mean ONSD on the right side was 5.81 ± 0.58 mm and on the left side was 5.79 ± 0.56 mm at discharge. The ONSD was not able to predict the sodium level measured both by laboratory and POC methods. CONCLUSION The ONSD failed to predict the sodium level in patients with hyponatremia during the correction. The change in ONSD did not correlate with the change in sodium level. HOW TO CITE THIS ARTICLE Uttanganakam S, Hansda U, Sahoo S, Shaji IM, Guru S, Topno N, et al. Sonographic Optic Nerve Sheath Diameter as a Guide for Correction of Hyponatremia in the Emergency Department: A Cross-sectional Study. Indian J Crit Care Med 2023;27(4):265-269.
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Affiliation(s)
- Sanjeed Uttanganakam
- Department of Trauma and Emergency, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India
| | - Upendra Hansda
- Department of Trauma and Emergency, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India
| | - Sangeeta Sahoo
- Department of Trauma and Emergency, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India
| | - Ijas Muhammed Shaji
- Department of Trauma and Emergency, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India
| | - Satyabrata Guru
- Department of Trauma and Emergency, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India
| | - Nitish Topno
- Department of Trauma and Emergency, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India
| | - Nishit Kumar Sahoo
- Department of Trauma and Emergency, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India
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Bhide M, Singh O, Juneja D, Goel A. Bedside ultrasonography of optic nerve sheath diameter for detection of raised intracranial pressure in nontraumatic neuro-critically ill patients. World J Crit Care Med 2023; 12:10-17. [PMID: 36683966 PMCID: PMC9846868 DOI: 10.5492/wjccm.v12.i1.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/05/2022] [Accepted: 12/23/2022] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Delay in treatment of raised intracranial pressure (ICP) leads to poor clinical outcomes. Optic nerve sheath diameter (ONSD) by ultrasonography (US-ONSD) has shown good accuracy in traumatic brain injury and neurosurgical patients to diagnose raised ICP. However, there is a dearth of data in neuro-medical intensive care unit (ICU) where the spectrum of disease is different.
AIM To validate the diagnostic accuracy of ONSD in non-traumatic neuro-critically ill patients.
METHODS We prospectively enrolled 114 patients who had clinically suspected raised ICP due to non-traumatic causes admitted in neuro-medical ICU. US-ONSD was performed according to ALARA principles. A cut-off more than 5.7 mm was taken as significantly raised. Raised ONSD was corelated with raised ICP on radiological imaging. Clinical history, general and systemic examination findings, SOFA and APACHE 2 score and patient outcomes were recorded.
RESULTS There was significant association between raised ONSD and raised ICP on imaging (P < 0.001). The sensitivity, specificity, positive and negative predictive value at this cut-off was 77.55%, 89.06%, 84.44% and 83.82% respectively. The positive and negative likelihood ratio was 7.09 and 0.25. The area under the receiver operating characteristic curves was 0.844. Using Youden’s index the best cut off value for ONSD was 5.75 mm. Raised ONSD was associated with lower age (P = 0.007), poorer Glasgow Coma Scale (P = 0.009) and greater need for surgical intervention (P = 0.006) whereas no statistically significant association was found between raised ONSD and SOFA score, APACHE II score or ICU mortality. Our limitations were that it was a single centre study and we did not perform serial measurements or ONSD pre- and post-treatment or procedures for raised ICP.
CONCLUSION ONSD can be used as a screening a test to detect raised ICP in a medical ICU and as a trigger to initiate further management of raised ICP. ONSD can be beneficial in ruling out a diagnosis in a low-prevalence population and rule in a diagnosis in a high-prevalence population.
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Affiliation(s)
- Madhura Bhide
- Institute of Critical Care Medicine, Max Super Speciality Hospital, Saket, New Delhi 110017, India
| | - Omender Singh
- Institute of Critical Care Medicine, Max Super Speciality Hospital, Saket, New Delhi 110017, India
| | - Deven Juneja
- Institute of Critical Care Medicine, Max Super Speciality Hospital, Saket, New Delhi 110017, India
| | - Amit Goel
- Institute of Critical Care Medicine, Max Super Speciality Hospital, Saket, New Delhi 110017, India
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Huang S, Lund T, Orchard P, Gupta A, Nascene D. Dilated Optic Nerve Sheath in Mucopolysaccharidosis I: Common and Not Necessarily High Intracranial Pressure. AJNR Am J Neuroradiol 2023; 44:91-94. [PMID: 36581456 PMCID: PMC9835902 DOI: 10.3174/ajnr.a7755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 12/05/2022] [Indexed: 12/31/2022]
Abstract
Hydrocephalus is one of the earliest manifestations of mucopolysaccharidosis I-Hurler syndrome, and delayed treatment of hydrocephalus can lead to neurocognitive delay or even death. Optic nerve sheath diameter has been established as a noninvasive measurement to detect elevated intracranial pressure. This study aimed to establish correlations between optic nerve sheath diameter and opening pressure. Forty-nine MR images and opening pressures in patients with mucopolysaccharidosis I-Hurler syndrome were retrospectively reviewed from 2008 to 2020. The optic nerve sheath diameter was measured 3 mm posterior to the posterior margin of the globe (retrobulbar) and 10 mm anterior to the optic foramen (midpoint segment), and the average was taken between the 2 eyes. Opening pressure was measured with the patient in the lateral decubitus position with controlled end-tidal CO2 on the same day as the MR imaging. The average retrobulbar optic nerve sheath diameter was 5.33 mm, higher than the previously reported measurement in healthy controls, in patients with idiopathic intracranial hypertension, and there was a positive correlation between age and the optic nerve sheath diameter measured at the retrobulbar or midpoint segment (retrobulbar segment, R 2 = 0.27, P < .01; midpoint segment, R 2 = 0.20, P < .01). However, there was no correlation between retrobulbar or midpoint segment optic nerve sheath diameter and opening pressure (retrobulbar segment, R 2 = 0.02, P = .17; midpoint segment, R 2 = 0.03, P < .12). This study shows a higher average optic nerve sheath diameter in patients with mucopolysaccharidosis I-Hurler syndrome than in healthy controls regardless of the location of the measurement. However, the degree of optic nerve sheath dilation does not correlate with opening pressure, suggesting that increased optic nerve sheath diameter is an ocular manifestation of mucopolysaccharidosis I-Hurler syndrome itself rather than a marker of elevated intracranial pressure.
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Affiliation(s)
- S Huang
- From the Department of Neurosurgery (S.H.)
| | - T Lund
- Division of Pediatric Blood and Marrow Transplant (T.L., P.O., A.G.)
| | - P Orchard
- Division of Pediatric Blood and Marrow Transplant (T.L., P.O., A.G.)
| | - A Gupta
- Division of Pediatric Blood and Marrow Transplant (T.L., P.O., A.G.)
| | - D Nascene
- Department of Radiology (D.N.), University of Minnesota, Minneapolis, Minnesota
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Sitanaya SN, Kamayanti F, Nugroho HA, Prabowo B. Comparing ultrasonographic optic nerve sheath diameter to head computed tomography scan to predict intracranial pressure elevation. SAGE Open Med 2022; 10:20503121221077834. [PMID: 35198210 PMCID: PMC8859652 DOI: 10.1177/20503121221077834] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 01/17/2022] [Indexed: 11/25/2022] Open
Abstract
Introduction: Intracranial hypertension is an emergency condition that needs to be recognized as soon as possible. Lumbar puncture, the gold standard diagnostic procedure for intracranial hypertension, is contraindicated in some conditions while brain imaging procedures may be too difficult to be performed on critically ill patients. To solve this problem, this study aims to assess an alternative method to detect intracranial hypertension by measuring optic nerve sheath diameter using ocular ultrasound and optic nerve sheath diameter difference in each etiology. Methods: This cross-sectional study was conducted at the Emergency Department of Dr Iskak Tulungagung General Hospital. Sixty-nine patients who visited the emergency room for the first onset of intracranial pathology were included for optic nerve sheath diameter measurement by ultrasound. Subjects were divided into elevated and non-elevated intracranial pressure groups based on head computed tomography scan findings. The optic nerve sheath diameter results were compared and analyzed. Result: There were 29 subjects in the elevated intracranial pressure group and 40 subjects in the non-elevated intracranial pressure group. The mean of optic nerve sheath diameter in the elevated and non-elevated intracranial pressure groups was 0.63 ± 0.06 and 0.57 ± 0.06 cm, respectively (p = 0.000). Based on receiver operating characteristics analysis, 0.58 cm was the most optimal cut-off value. Conclusion: Ultrasonographic optic nerve sheath diameter can be used to predict elevated intracranial pressure in suspected patients who are contraindicated to invasive intracranial pressure measurement or critically ill. There were significant differences between elevated and non-elevated intracranial pressure groups in stroke and trauma subjects.
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Affiliation(s)
| | - Fadhila Kamayanti
- Emergency Department, Dr. Iskak Tulungagung General Hospital, Tulungagung, East Java, Indonesia
| | - Hari Adityo Nugroho
- Emergency Department, Dr. Iskak Tulungagung General Hospital, Tulungagung, East Java, Indonesia
| | - Bobi Prabowo
- Emergency Department, Dr. Iskak Tulungagung General Hospital, Tulungagung, East Java, Indonesia
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Stead GA, Cresswell FV, Jjunju S, Oanh PK, Thwaites GE, Donovan J. The role of optic nerve sheath diameter ultrasound in brain infection. eNeurologicalSci 2021; 23:100330. [PMID: 33728383 PMCID: PMC7935708 DOI: 10.1016/j.ensci.2021.100330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 02/18/2021] [Indexed: 11/24/2022] Open
Abstract
Brain infections cause significant morbidity and mortality worldwide, especially in resource-limited settings with high HIV co-infection rates. Raised intracranial pressure [ICP] may complicate brain infection and worsen neurological injury, yet invasive ICP monitoring is often unavailable. Optic nerve sheath diameter [ONSD] ultrasound may allow detection of raised ICP at the bedside; however, pathology in brain infection is different to traumatic brain injury, in which most studies have been performed. The use of ONSD ultrasound has been described in tuberculous meningitis, cryptococcal meningitis and cerebral malaria; however correlation with invasive ICP measurement has not been performed. Normal optic nerve sheath values are not yet established for most populations, and thresholds for clinical intervention cannot be assumed to match those used in non-infective brain pathology. ONSD ultrasound may be suitable for use in resource-limited settings by clinicians with limited ultrasound training. Standardisation of scanning technique, consensus on normal ONSD values, and action on abnormal results, are areas for future research. This scoping review examines the role of ONSD ultrasound in brain infection. We discuss pathophysiology, and describe the rationale, practicalities, and challenges of utilising ONSD ultrasound for brain infection monitoring and management. We discuss the existing evidence base for this technique, and identify knowledge gaps and future research priorities.
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Key Words
- AIDS, Acquired immunodeficiency syndrome
- Brain infection
- CSF, Cerebrospinal fluid
- HIV, Human immunodeficiency virus
- ICP, Intracranial pressure
- IQR, Interquartile range
- IRIS, Immune reconstitution inflammatory syndrome
- LP, Lumbar puncture
- MAP, Mean arterial pressure
- Meningitis
- ONSD, Optic nerve sheath diameter
- Optic nerve sheath diameter
- ROC, Receiver-operator characteristic
- Raised intracranial pressure
- SD, Standard deviation
- TB meningitis, Tuberculous meningitis
- TBI, Traumatic brain injury
- Ultrasound
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Affiliation(s)
| | - Fiona V. Cresswell
- Infectious Diseases Institute, Kampala, Uganda
- Clinical Research Department London School of Hygiene and Tropical Medicine, London, United Kingdom
- Medical Research Council – Uganda Virus Research Institute - London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | | | - Pham K.N. Oanh
- Hospital for Tropical Diseases, Ho Chi Minh City, Viet Nam
| | - Guy E. Thwaites
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
- Oxford University Clinical Research Unit, Centre for Tropical Medicine, Ho Chi Minh City, Viet Nam
| | - Joseph Donovan
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
- Oxford University Clinical Research Unit, Centre for Tropical Medicine, Ho Chi Minh City, Viet Nam
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Kerscher SR, Schöni D, Hurth H, Neunhoeffer F, Haas-Lude K, Wolff M, Schuhmann MU. The relation of optic nerve sheath diameter (ONSD) and intracranial pressure (ICP) in pediatric neurosurgery practice - Part I: Correlations, age-dependency and cut-off values. Childs Nerv Syst 2020; 36:99-106. [PMID: 31256241 DOI: 10.1007/s00381-019-04266-1] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Accepted: 06/17/2019] [Indexed: 12/18/2022]
Abstract
PURPOSE It is assumed that the width of the optic nerve sheath diameter (ONSD) is dependent on intracranial pressure (ICP) and pulsatility and thus constitutes a non-invasively accessible "window" for qualitative assessment of ICP. Data on the correlation to invasively measured ICP in children are scarce and have often been obtained from sedated patients in intensive care unit (ICU) or intraoperatively. We report on a mixed cohort of pediatric neurosurgical patients, ICP and ONSD measurements were available from both sedated and awake children, only a minority from ICU patients. METHODS Seventy-two children were investigated. Ultrasound ONSD determination was performed immediately prior to invasive ICP measurement and the mean binocular ONSD was compared with ICP. The investigations were performed in children awake, sedated, or under general anesthesia. RESULTS In the entire patient cohort, the correlation between ONSD and ICP was good (r = 0.52, p < 0.01). Children > 1 year revealed a better correlation (r = 0.63; p < 0.01) and those ≤ 1 year did worse (r = 0.21). Infants with open fontanelle had no correlation. In the entire cohort, the best ONSD cut-off value for detecting ICP ≥ 15 and ≥ 20 mmHg was 5.28 and 5.57 mm (OR 22.5 and 7.2, AUC 0.782 and 0.733). CONCLUSION Transorbital ultrasound measurement of ONSD is a reliable non-invasive technique to assess increased ICP in children in every clinical situation; however, the impact of age and fontanelle status needs to be considered. ONSD thresholds enable qualitative first orientation regarding ICP categories with a very satisfying diagnostic accuracy.
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Affiliation(s)
- Susanne R Kerscher
- Division of Pediatric Neurosurgery, Department of Neurosurgery, University Hospital of Tuebingen, Hoppe-Seyler-Str.3, 72076, Tübingen, Germany.
- Department of Neurosurgery, University Hospital of Tuebingen, 72076, Tuebingen, Germany.
| | - Daniel Schöni
- Department of Neurosurgery, University Hospital of Tuebingen, 72076, Tuebingen, Germany
- Department of Neurosurgery, University Hospital of Bern, 3010, Bern, Switzerland
| | - Helene Hurth
- Department of Neurosurgery, University Hospital of Tuebingen, 72076, Tuebingen, Germany
| | - Felix Neunhoeffer
- Pediatric Intensive Care Unit, Children's Hospital, University of Tuebingen, 72076, Tuebingen, Germany
| | - Karin Haas-Lude
- Department of Pediatric Neurology and Developmental Medicine, Children's Hospital, University of Tuebingen, 72076, Tuebingen, Germany
| | - Markus Wolff
- Department of Pediatric Neurology and Developmental Medicine, Children's Hospital, University of Tuebingen, 72076, Tuebingen, Germany
| | - Martin U Schuhmann
- Division of Pediatric Neurosurgery, Department of Neurosurgery, University Hospital of Tuebingen, Hoppe-Seyler-Str.3, 72076, Tübingen, Germany
- Department of Neurosurgery, University Hospital of Tuebingen, 72076, Tuebingen, Germany
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Nadeem R, Elahi N, Elhoufi A, Elsousi A, Chaudhry M. Salmonella typhi Meningitis in an Immunocompetent Asian Adult. Cureus 2019; 11:e6112. [PMID: 31886051 PMCID: PMC6903881 DOI: 10.7759/cureus.6112] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Enteric salmonella infections are common in the United States though nonenteric salmonella infections in immunocompetent adults are exceedingly rare in the United States, and meningitis is one of the least common extra-intestinal sites. In addition, it is very unusual for a patient with bacterial meningitis to present with meningitis signs and symptoms of >72 h duration like aseptic meningitis. A 25-year-old Indian male, without any past medical history brought by friends to the ER had fever and irritability for a week. He became increasingly somnolent and confused three days back. Physical exam reveals signs of meningitis and laboratory showed cerebrospinal fluid (CSF) studies suggestive of bacterial meningitis. Culture of CSF grew Salmonella typhi and later on blood culture also grew S. typhi. The patient became worse with cerebral edema and hydrocephalous suspected by change in neurological status and confirmed by ultrasound of eye ball examining optic nerve sheath diameter and CT scan of brain. The patient required neurosurgical intervention and hence external ventricular drain was placed. The patient was also placed on mechanical ventilation. Subsequently he developed ventilator associated pneumonia (VAP) with carbapenem-resistant Pseudomonas aeruginosa. The patient underwent tracheostomy and successfully completed treatment of VAP and was transferred to his home country after four months. Thus we describe a rare case of salmonella meningitis in an immunocompetent adult.
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Affiliation(s)
| | - Naheed Elahi
- Intensive Care Medicine, Dubai Hospital, Dubai, ARE
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