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Suresh V, Magoon R. ONSD monitoring under anesthesia for middle ear surgery. J Anesth 2023:10.1007/s00540-023-03274-5. [PMID: 37889341 DOI: 10.1007/s00540-023-03274-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 10/07/2023] [Indexed: 10/28/2023]
Affiliation(s)
- Varun Suresh
- Department of Anesthesia and Intensive Care, Jaber Al Ahmad Al Sabah Hospital, Arabian Gulf, Kuwait, Kuwait.
| | - Rohan Magoon
- Department of Anaesthesia, Atal Bihari Vajpayee Institute of Medical Sciences (ABVIMS) and Dr. Ram Manohar Lohia Hospital, Baba Kharak Singh Marg, New Delhi, 110001, India
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Fioretto I, Capuano FM, Biondino D, Mottola FF, Graziano M. Systematic use of standardized A-scan technique in neurosurgical intensive care unit. Quant Imaging Med Surg 2023; 13:7396-7397. [PMID: 37869285 PMCID: PMC10585506 DOI: 10.21037/qims-23-628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 06/26/2023] [Indexed: 10/24/2023]
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Trollip L, Alberto K, Makgotloe A. Optic Nerve Sheath Diameter: A Cross-Sectional Study of Ultrasonographic Measurement in Healthy Black South African Adults. Life (Basel) 2023; 13:1979. [PMID: 37895361 PMCID: PMC10608246 DOI: 10.3390/life13101979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/30/2023] [Accepted: 09/19/2023] [Indexed: 10/29/2023] Open
Abstract
Ultrasonographic optic nerve sheath diameter (ONSD) measurement is an accurate, portable, and non-invasive method of detecting raised intracranial pressure that can also reflect dynamic, real-time changes in intracranial pressure fluctuations. Various studies have shown the mean range of ONSD to vary greatly across different population groups. This study aimed to determine the mean ONSD in healthy Black South African adults. In this cross-sectional study, healthy black South African adult participants underwent optic nerve sheath ultrasound of the right eye, with the diameter being measured at 3 mm behind the retina in two different planes. The average of the two measurements was used to find the mean optic nerve sheath diameter. This measurement was compared to that found in a Canadian adult population, and the effect of age, gender, and co-morbidities on ONSD was assessed. A total of 99 participants were included in this study, of which 39 were male and 60 were female. The mean ONSD was found to be 5.1 mm (SD ± 0.33). This value was significantly higher than the mean ONSD observed in the Canadian population (p < 0.001). There was no significant difference found between the mean ONSD in males and females (p = 0.652), and both age and presence of co-morbidities were not found to significantly correlate with ONSD. (p = 0.693 and p = 0.974, respectively).
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Affiliation(s)
- Lindy Trollip
- Department of Ophthalmology, University of Witwatersrand, Johannesburg 2193, South Africa; (K.A.); (A.M.)
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Chen F, Zhang S, Li B, Zhang J, Ran M, Qi B. A review of invasive intracranial pressure monitoring following surgery for hypertensive cerebral hemorrhage. Front Neurol 2023; 14:1108722. [PMID: 37470003 PMCID: PMC10353852 DOI: 10.3389/fneur.2023.1108722] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 06/07/2023] [Indexed: 07/21/2023] Open
Abstract
Hypertensive cerebral hemorrhage, the most common prevalent of spontaneous cerebral hemorrhage, poses a significant threat to patient mortality and morbidity, while therapeutic options remain limited, making the disease a burden not only for patients' families but also a major challenge for national healthcare systems. The elevation of intracranial pressure subsequent to hypertensive cerebral hemorrhage is a critical contributor to mortality. However, it often manifests before the onset of clinical symptoms, which are typically atypical, leading to delayed treatment and irreversible consequences for the patient. Hence, early detection of intracranial pressure variations can aid in timely, efficient, and precise treatment, reducing patient mortality. Invasive intracranial pressure monitoring enables real-time, accurate monitoring of intracranial pressure changes, providing clinicians with therapeutic guidance and overcoming the limitations of empirical treatment. This article aims to review the use of invasive intracranial pressure monitoring in postoperative hypertensive cerebral hemorrhage and hopes to contribute to clinical and scientific research.
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Affiliation(s)
- Fu Chen
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Shukui Zhang
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Bingzhen Li
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Jin Zhang
- Department of Neurosurgery, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Maoxin Ran
- Department of Hepatobiliary Surgery, Zhijin County People's Hospital, Bijie, China
| | - Bin Qi
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
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Keep RF, Jones HC, Hamilton MG, Drewes LR. A year in review: brain barriers and brain fluids research in 2022. Fluids Barriers CNS 2023; 20:30. [PMID: 37085841 PMCID: PMC10120509 DOI: 10.1186/s12987-023-00429-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Indexed: 04/23/2023] Open
Abstract
This aim of this editorial is to highlight progress made in brain barrier and brain fluid research in 2022. It covers studies on the blood-brain, blood-retina and blood-CSF barriers (choroid plexus and meninges), signaling within the neurovascular unit and elements of the brain fluid systems. It further discusses how brain barriers and brain fluid systems are impacted in CNS diseases, their role in disease progression and progress being made in treating such diseases.
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Affiliation(s)
- Richard F Keep
- Department of Neurosurgery, University of Michigan, R5018 BSRB 109 Zina Pitcher Place, Ann Arbor, MI, 48109-2200, USA.
| | | | - Mark G Hamilton
- Department of Clinical Neurosciences, Division of Neurosurgery, University of Calgary, Alberta, Canada
| | - Lester R Drewes
- Department of Biomedical Sciences, University of Minnesota Medical School Duluth, Duluth, MN, 55812, USA
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De Luca M, Gioia M, La Marca A, Biondino D. Comment on "Detection of increased intracranial pressure in trans-oral robotic thyroidectomy using optic nerve sheath diameter measurement". Head Neck 2023; 45:764-765. [PMID: 36598132 DOI: 10.1002/hed.27292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 12/19/2022] [Indexed: 01/05/2023] Open
Affiliation(s)
- Martina De Luca
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Baronissi, Salerno, Italy
| | - Marco Gioia
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Baronissi, Salerno, Italy
| | - Aniello La Marca
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Baronissi, Salerno, Italy
| | - Danilo Biondino
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Baronissi, Salerno, Italy
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Optic Nerve Ultrasound Evaluation in Children: A Review. Diagnostics (Basel) 2023; 13:diagnostics13030535. [PMID: 36766639 PMCID: PMC9914511 DOI: 10.3390/diagnostics13030535] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/29/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
Managing patients with neurocritical illness requires monitoring and treating elevated intracranial pressure (ICP), especially in cases in children. In terms of precise and real-time measurements, invasive ICP measurements are presently the gold standard for the initial diagnosis and follow-up ICP assessments. As a rapid and non-invasive way to detect elevated ICP, point-of-care ultrasonography (POCUS) of optic nerve sheath diameter (ONSD) has been proposed. The utility of bedside POCUS of ONSD to detect elevated ICP with excellent diagnostic test accuracy in adults has already been demonstrated. Nonetheless, data on the relationship between POCUS of ONSD and ICP in children are scarce. Therefore, the purpose of this review is to point out the most recent findings from the pediatric published literature and briefly discuss what was assessed with ONSD ultrasound examination, and also to describe and discuss the diagnostic procedures available for optic nerve ultrasound appraisal. A search of the medical databases PubMed and Scopus was carried out. The terms such as "ocular ultrasonography", "ICP assessment", "children", "point-of-care ultrasound", and "POCUS" were searched. In conclusion, the use of the standardized A-scan technique coupled with the B-scan technique should be suggested to provide data that are as accurate, precise, repeatable, and objective as possible.
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Costigliola R, Marino AV, Fioretto I. How the blooming effect can interfere on choroidal vascularity index assessments using optical coherence tomography. Quant Imaging Med Surg 2023; 13:558-559. [PMID: 36620133 PMCID: PMC9816737 DOI: 10.21037/qims-22-653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 10/27/2022] [Indexed: 11/09/2022]
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Rosa N, De Bernardo M, Di Stasi M, Cione F, Capaldo I. A-Scan Ultrasonographic Evaluation of Patients with Idiopathic Intracranial Hypertension: Comparison of Optic Nerves. J Clin Med 2022; 11:jcm11206153. [PMID: 36294473 PMCID: PMC9605245 DOI: 10.3390/jcm11206153] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 10/12/2022] [Accepted: 10/17/2022] [Indexed: 11/18/2022] Open
Abstract
Background: To evaluate the interocular optic nerve diameter (ONDs) asymmetry in patients with idiopathic intracranial hypertension (IIH) utilizing the A-scan ultrasound technique. Methods: Thirty-seven patients diagnosed with IIH were recruited from outpatients referred to the University Eye Unit between June 2014 and December 2021. Patients with optic disc pseudoedema or edema caused by other conditions were excluded. All patients with negative neuroimaging for intracranial space-occupying masses underwent standardized A-scan measurement of the OND in the primary gaze and lateral position (30 degrees test). Results: Mean, median, standard deviation, the minimum and maximum value of the two eyes at 0 degrees and the difference between the left and right thicker and thinner ONDs were measured. The two-tailed paired student t-test between the two eyes was performed using SPSS software. A statistically significant difference (p-value <0.001) between the two eyes, without a side prevalence, was found. Conclusions: Due to the differences between the ONDs of both eyes, we propose to use the mean of the ONDs between the left and right eyes at 0 degrees with the standardized A-scan diagnostic technique for a better follow-up of patients with IIH.
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Affiliation(s)
- Nicola Rosa
- Eye Unit, Department of Medicine, Surgery and Dentistry, Scuola Medica Salernitana, University of Salerno, Baronissi, 84081 Salerno, Italy
| | - Maddalena De Bernardo
- Eye Unit, Department of Medicine, Surgery and Dentistry, Scuola Medica Salernitana, University of Salerno, Baronissi, 84081 Salerno, Italy
- Correspondence: ; Tel.: +39-089672407
| | - Margherita Di Stasi
- Eye Unit, Department of Medicine, Surgery and Dentistry, Scuola Medica Salernitana, University of Salerno, Baronissi, 84081 Salerno, Italy
| | - Ferdinando Cione
- Eye Unit, Department of Medicine, Surgery and Dentistry, Scuola Medica Salernitana, University of Salerno, Baronissi, 84081 Salerno, Italy
| | - Ilaria Capaldo
- Radio Unit, Department of Medicine, Surgery and Dentistry, Scuola Medica Salernitana, University of Salerno, Via Salvador Allende, Baronissi, 84081 Salerno, Italy
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Sannino C, Marino A. Letter: Three-Dimensional Choroidal Vascularity Index in High Myopia Using Swept-Source Optical Coherence Tomography. Curr Eye Res 2022; 47:1226. [PMID: 35670367 DOI: 10.1080/02713683.2022.2081978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Ciro Sannino
- Department of Medicine, Surgery and Dentistry, Eye Unit, "Scuola Medica Salernitana", University of Salerno, Baronissi, Italy
| | - Alessio Marino
- Department of Medicine, Surgery and Dentistry, Eye Unit, "Scuola Medica Salernitana", University of Salerno, Baronissi, Italy
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