We read with great consideration the article by Montorfano et al regarding the ultrasound evaluation of the optic nerve sheath diameter (ONSD) to detect increased intracranial pressure during acute elevations in intra-abdominal pressure.
1We believe that this study is very remarkable, but we would like to comment on some aspects of B-scan ultrasound technique.
- Montorfano L.
- Giambartolomei G.
- Funes D.R.
- et al.
The Cushing reflex and the vasopressin-mediated hemodynamic response to increased intracranial pressure during acute elevations in intraabdominal pressure.
Surgery. 2019; 167: 478-483
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- The Cushing reflex and the vasopressin-mediated hemodynamic response to increased intracranial pressure during acute elevations in intraabdominal pressure.Surgery. 2019; 167: 478-483
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Published online: February 18, 2020
Accepted: January 2, 2020
© 2020 Elsevier Inc. All rights reserved.
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- The Cushing reflex and the vasopressin-mediated hemodynamic response to increased intracranial pressure during acute elevations in intraabdominal pressureSurgeryVol. 167Issue 2
- PreviewAbdominal compartment syndrome has been linked to detrimental hemodynamic side effects that include increased intracranial pressure and diminished renal function, but the mechanisms behind this continue to be elucidated. In this study, we sought to investigate any direct association between acute elevations in intra-abdominal pressure and intracranial hypertension during experimentally induced abdominal compartment syndrome and between acutely elevated intracranial pressure and the hemodynamic response that might be elicited by a vasopressin-induced Cushing reflex affecting urine osmolality and urine output.
- Response to: A-scan ultrasonography and optic nerve sheath diameter assessment during acute elevations in intra-abdominal pressureSurgeryVol. 167Issue 6