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Ronne-Engström, ElisabethORCID iD iconorcid.org/0000-0001-6345-9415
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Publications (10 of 36) Show all publications
Elf, K., Ronne-Engström, E., Semnic, R., Rostami-Berglund, E., Sundblom, J. & Zetterling, M. (2019). Continuous EEG monitoring after brain tumor surgery. Acta Neurochirurgica, 161(9), 1835-1843
Open this publication in new window or tab >>Continuous EEG monitoring after brain tumor surgery
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2019 (English)In: Acta Neurochirurgica, ISSN 0001-6268, E-ISSN 0942-0940, Vol. 161, no 9, p. 1835-1843Article in journal (Refereed) Published
Abstract [en]

Background

Prolonged seizures generate cerebral hypoxia and increased intracranial pressure, resulting in an increased risk of neurological deterioration, increased long-term morbidity, and shorter survival. Seizures should be recognized early and treated promptly.

The aim of the study was to investigate the occurrence of postoperative seizures in patients undergoing craniotomy for primary brain tumors and to determine if non-convulsive seizures could explain some of the postoperative neurological deterioration that may occur after surgery.

Methods

A single-center prospective study of 100 patients with suspected glioma. Participants were studied with EEG and video recording for at least 24 h after surgery.

Results

Seven patients (7%) displayed seizure activity on EEG recording within 24 h after surgery and another two patients (2%) developed late seizures. One of the patients with early seizures also developed late seizures. In five patients (5%), there were non-convulsive seizures. Four of these patients had a combination of clinically overt and non-convulsive seizures and in one patient, all seizures were non-convulsive. The non-convulsive seizures accounted for the majority of total seizure time in those patients. Non-convulsive seizures could not explain six cases of unexpected postoperative neurological deterioration. Postoperative ischemic lesions were more common in patients with early postoperative seizures.

Conclusions

Early seizures, including non-convulsive, occurred in 7% of our patients. Within this group, non-convulsive seizure activity had longer durations than clinically overt seizures, but only 1% of patients had exclusively non-convulsive seizures. Seizures were not associated with unexpected neurological deterioration.

Keywords
Brain tumor surgery, Postoperative seizures, Non-convulsive seizures, EEG monitoring
National Category
Neurosciences Neurology Surgery
Identifiers
urn:nbn:se:uu:diva-394255 (URN)10.1007/s00701-019-03982-6 (DOI)000482453900014 ()31278599 (PubMedID)
Available from: 2019-10-11 Created: 2019-10-11 Last updated: 2019-10-11Bibliographically approved
Vlachogiannis, P., Hillered, L., Khalil, F., Enblad, P. & Ronne-Engström, E. (2019). Interleukin-6 Levels in Cerebrospinal Fluid and Plasma in Patients with Severe Spontaneous Subarachnoid Hemorrhage. World Neurosurgery, 122, E612-E618
Open this publication in new window or tab >>Interleukin-6 Levels in Cerebrospinal Fluid and Plasma in Patients with Severe Spontaneous Subarachnoid Hemorrhage
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2019 (English)In: World Neurosurgery, ISSN 1878-8750, E-ISSN 1878-8769, Vol. 122, p. E612-E618Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Inflammatory processes play a key role in the pathophysiology of subarachnoid hemorrhage (SAH). This study evaluated whether different temporal patterns of intrathecal and systemic inflammation could be identified in the acute phase after SAH. The intensity of the inflammation was also assessed in clinical subgroups. METHODS: Cerebrospinal fluid (CSF) and blood samples were collected at days 1, 4, and 10 after ictus in 44 patients with severe SAH. Interleukin-6 (IL-6) was analyzed by a routine monoclonal antibody-based method. Median IL-6 values for each day were calculated. Day 4 IL-6 values were compared in dichotomized groups (age, sex, World Federation of Neurosurgical Societies [WFNS] grade, Fisher scale grade, outcome, vasospasm, central nervous system infection and systemic infections). RESULTS: CSF IL-6 levels were significantly elevated from day 1 to days 4 and 10, whereas plasma IL-6 showed a different trend at lower levels. Median CSF IL-6 concentrations for days 1, 4, and 10 were 876.5, 3361, and 1567 ng/L, whereas plasma was 26, 27.5, and 15.9 ng/L, respectively. No significant differences in CSF concentrations were observed between the subgroups, with the most prominent one being in day 4 IL-6 in the WFNS subgroups (grades 1-3 vs. 4-5, 1158.5 vs. 5538 ng/L; P = 0.056). Patients with systemic infection had significantly higher plasma IL-6 concentrations than patients without infection (31 vs. 16.05 ng/L, respectively; P = 0.028). CONCLUSIONS: Distinctly different inflammatory patterns could be seen intrathecally compared with the systemic circulation. In plasma, a significant difference in the intensity of the inflammation was seen in cases with systemic infection. No other subgroup showed statistically significant differences.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE INC, 2019
Keywords
Inflammatory response, Interleukin-6, Neuroinflammation, SAH, Subarachnoid hemorrhage
National Category
Neurology
Identifiers
urn:nbn:se:uu:diva-377213 (URN)10.1016/j.wneu.2018.10.113 (DOI)000457328100075 ()
Available from: 2019-02-25 Created: 2019-02-25 Last updated: 2019-02-25Bibliographically approved
Borota, L., Mahmoud, E., Nyberg, C., Lewén, A., Enblad, P. & Ronne-Engström, E. (2018). Dual lumen balloon catheter - An effective substitute for two single lumen catheters in treatment of vascular targets with challenging anatomy. Journal of clinical neuroscience, 51, 91-99, Article ID S0967-5868(17)31621-1.
Open this publication in new window or tab >>Dual lumen balloon catheter - An effective substitute for two single lumen catheters in treatment of vascular targets with challenging anatomy
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2018 (English)In: Journal of clinical neuroscience, ISSN 0967-5868, E-ISSN 1532-2653, Vol. 51, p. 91-99, article id S0967-5868(17)31621-1Article in journal (Refereed) Published
Abstract [en]

The aim of this study was to describe our experience in the treatment of various pathological conditions of the cranial and spinal blood vessels and hypervascularized lesions using dual lumen balloon catheters. Twenty-five patients were treated with endovascular techniques: two with vasospasm of cerebral blood vessels caused by subarachnoid hemorrhage, one with a hypervascularized metastasis in the vertebral body, two with spinal dural fistula, four with cerebral dural fistula, three with cerebral arteriovenous malformations, and 13 with aneurysms. The dual lumen balloon catheters were used for remodeling of the coil mesh, injection of various liquid embolic agents, particles and nimodipine, for the prevention of reflux and deployment of coils and stents. The diameter of catheterized blood vessels varied from 0.7 mm to 4 mm. Two complications occurred: perforation of an aneurysm in one case and gluing of the tip of balloon catheter by embolic material in another case. All other interventions were uneventful, and therapeutic goals were achieved in all cases except in the case with gluing of the tip of balloon catheter. The balloons effectively prevented reflux regardless of the type of the embolic material and diameter of blood vessel. The results of our study show that dual lumen balloon catheters allow complex interventions in the narrow cerebral and spinal blood vessels where the safe use of two single lumen catheters is either limited or impossible.

Keywords
Balloon catheter, Dual lumen, Neurointervention
National Category
Radiology, Nuclear Medicine and Medical Imaging
Identifiers
urn:nbn:se:uu:diva-350827 (URN)10.1016/j.jocn.2018.01.070 (DOI)000431932300022 ()29483004 (PubMedID)
Available from: 2018-05-16 Created: 2018-05-16 Last updated: 2018-08-10Bibliographically approved
Rostami, E., Engquist, H., Howells, T., Johnson, U., Ronne-Engström, E., Nilsson, P., . . . Enblad, P. (2018). Early low cerebral blood flow and high cerebral lactate: prediction of delayed cerebral ischemia in subarachnoid hemorrhage. Journal of Neurosurgery, 128(6), 1762-1770
Open this publication in new window or tab >>Early low cerebral blood flow and high cerebral lactate: prediction of delayed cerebral ischemia in subarachnoid hemorrhage
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2018 (English)In: Journal of Neurosurgery, ISSN 0022-3085, E-ISSN 1933-0693, Vol. 128, no 6, p. 1762-1770Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE Delayed cerebral ischemia (DCI) following subarachnoid hemorrhage (SAH) is one of the major contributors to poor outcome. It is crucial to be able to detect early signs of DCI to prevent its occurrence. The objective of this study was to determine if low cerebral blood flow (CBF) measurements and pathological microdialysis parameters measured at the bedside can be observed early in patients with SAH who later developed DCI. METHODS The authors included 30 patients with severe SAH. The CBF measurements were performed at Day 0-3 after disease onset, using bedside xenon-CT. Interstitial glucose, lactate, pyruvate, glycerol, and glutamate were measured using microdialysis. RESULTS Nine of 30 patients developed DCI. Patients with DCI showed significantly lower global and regional CBF, and lactate was significantly increased in these patients. A high lactate/pyruvate ratio was also detected in patients with DCI. CONCLUSIONS Early low CBF measurements and a high lactate and lactate/pyruvate ratio may be early warning signs of the risk of developing DCI. The clinical value of these findings needs to be confirmed in larger studies.

Keywords
CBF, CBF = cerebral blood flow, CPP = cerebral perfusion pressure, DCI, DCI = delayed cerebral ischemia, GCS, GCS-M = Glasgow Coma Scale, GCS-motor, GOSE = Glasgow Outcome Scale–Extended, ICP = intracranial pressure, L/P = lactate/pyruvate, MD = microdialysis, NIC = neurointensive care, ROI = region of interest, SAH, SAH = subarachnoid hemorrhage, Xe-CT = xenon-CT, cerebral blood flow, delayed cerebral ischemia, lactate, lactate/pyruvate ratio, subarachnoid hemorrhage, vascular disorders, vasospasm, xenon-CT
National Category
Neurosciences
Identifiers
urn:nbn:se:uu:diva-330940 (URN)10.3171/2016.11.JNS161140 (DOI)000440653000023 ()28574309 (PubMedID)
Available from: 2017-10-07 Created: 2017-10-07 Last updated: 2018-10-12Bibliographically approved
Engquist, H., Rostami, E., Ronne-Engström, E., Nilsson, P., Lewén, A. & Enblad, P. (2018). Effect of HHH-Therapy on Regional CBF after Severe Subarachnoid Hemorrhage Studied by Bedside Xenon-Enhanced CT. Neurocritical Care, 28(2), 143-151
Open this publication in new window or tab >>Effect of HHH-Therapy on Regional CBF after Severe Subarachnoid Hemorrhage Studied by Bedside Xenon-Enhanced CT
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2018 (English)In: Neurocritical Care, ISSN 1541-6933, E-ISSN 1556-0961, Vol. 28, no 2, p. 143-151Article in journal (Refereed) Published
Abstract [en]

BACKGROUND:

Management of delayed cerebral ischemia (DCI) following subarachnoid hemorrhage (SAH) is difficult and still carries controversies. In this study, the effect of therapeutic hypervolemia, hemodilution, and hypertension (HHH-therapy) on cerebral blood flow (CBF) was assessed by xenon-enhanced computerized tomography (XeCT) hypothesizing an increase in CBF in poorly perfused regions.

METHODS:

Bedside XeCT measurements of regional CBF in mechanically ventilated SAH patients were routinely scheduled for day 0-3, 4-7, and 8-12. At clinical suspicion of DCI, patients received 5-day HHH-therapy. For inclusion, XeCT was required at 0-48 h before start of HHH (baseline) and during therapy. Data from corresponding time-windows were also collected for non-DCI patients.

RESULTS:

Twenty patients who later developed DCI were included, and twenty-eight patients without DCI were identified for comparison. During HHH, there was a slight nonsignificant increase in systolic blood pressure (SBP) and a significant reduction in hematocrit. Median global cortical CBF for the DCI group increased from 29.5 (IQR 24.6-33.9) to 38.4 (IQR 27.0-41.2) ml/100 g/min (P = 0.001). There was a concomitant increase in regional CBF of the worst vascular territories, and the proportion of area with blood flow below 20 ml/100 g/min was significantly reduced. Non-DCI patients showed higher CBF at baseline, and no significant change over time.

CONCLUSIONS:

HHH-therapy appeared to increase global and regional CBF in DCI patients. The increase in SBP was small, while the decrease in hematocrit was more pronounced, which may suggest that intravascular volume status and rheological effects are of importance. XeCT may be potentially helpful in managing poor-grade SAH patients.

Keywords
Cerebral blood flow (CBF), Delayed cerebral ischemia (DCI), HHH-therapy (Triple-H), Subarachnoid hemorrhage (SAH), Xenon CT (XeCT)
National Category
Anesthesiology and Intensive Care Neurosciences
Identifiers
urn:nbn:se:uu:diva-330938 (URN)10.1007/s12028-017-0439-y (DOI)000431994700001 ()28983856 (PubMedID)
Available from: 2017-10-07 Created: 2017-10-07 Last updated: 2018-06-29Bibliographically approved
Engquist, H., Lewén, A., Howells, T., Johnson, U., Ronne-Engström, E., Nilsson, P., . . . Rostami, E. (2018). Hemodynamic Disturbances in the Early Phase After Subarachnoid Hemorrhage: Regional Cerebral Blood Flow Studied by Bedside Xenon-enhanced CT.. Journal of Neurosurgical Anesthesiology, 30(1), 49-58
Open this publication in new window or tab >>Hemodynamic Disturbances in the Early Phase After Subarachnoid Hemorrhage: Regional Cerebral Blood Flow Studied by Bedside Xenon-enhanced CT.
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2018 (English)In: Journal of Neurosurgical Anesthesiology, ISSN 0898-4921, E-ISSN 1537-1921, Vol. 30, no 1, p. 49-58Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: The mechanisms leading to neurological deterioration and the devastating course of delayed cerebral ischemia (DCI) after subarachnoid hemorrhage (SAH) are still not well understood. Bedside xenon-enhanced computerized tomography (XeCT) enables measurements of regional cerebral blood flow (rCBF) during neurosurgical intensive care. In the present study, CBF characteristics in the early phase after severe SAH were explored and related to clinical characteristics and early clinical course outcome.

MATERIALS AND METHODS: Patients diagnosed with SAH and requiring mechanical ventilation were prospectively enrolled in the study. Bedside XeCT was performed within day 0 to 3.

RESULTS: Data from 64 patients were obtained. Median global CBF was 34.9 mL/100 g/min (interquartile range [IQR], 26.7 to 41.6). There was a difference in CBF related to age with higher global CBF in the younger patients (30 to 49 y). CBF was also related to the severity of SAH with lower CBF in Fisher grade 4 compared with grade 3. rCBF disturbances and hypoperfusion were common; in 43 of the 64 patients rCBF<20 mL/100 g/min was detected in more than 10% of the region-of-interest (ROI) area and in 17 patients such low-flow area exceeded 30%. rCBF was not related to the localization of the aneurysm; there was no difference in rCBF of ipsilateral compared with contralateral vascular territories. In patients who initially were in Hunt & Hess grade I to III, median global CBF day 0 to 3 was significantly lower for patients who were in poor neurological state at discharge compared with patients in good neurological state, 25.5 mL/100 g/min (IQR, 21.3 to 28.3) versus 37.8 mL/100 g/min (IQR, 30.5 to 47.6).

CONCLUSIONS: CBF disturbances are common in the early phase after SAH. In many patients, CBF was heterogenic and substantial areas with low rCBF were detected. Age and CT Fisher grade were factors influencing global cortical CBF. Bedside XeCT may be a tool to identify patients at risk of deteriorating so they can receive intensified management, but this needs further exploration.

National Category
Anesthesiology and Intensive Care Neurosciences
Identifiers
urn:nbn:se:uu:diva-312080 (URN)10.1097/ANA.0000000000000395 (DOI)000428161600009 ()27906765 (PubMedID)
Available from: 2017-01-04 Created: 2017-01-04 Last updated: 2018-07-18Bibliographically approved
Halawa, I., Vlachogiannis, P., Amandusson, Å., Elf, K., Ronne-Engström, E., Zetterberg, H. & Kumlien, E. (2018). Seizures, CSF neurofilament light and tau in patients with subarachnoid haemorrhage. Acta Neurologica Scandinavica, 137(2), 199-203
Open this publication in new window or tab >>Seizures, CSF neurofilament light and tau in patients with subarachnoid haemorrhage
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2018 (English)In: Acta Neurologica Scandinavica, ISSN 0001-6314, E-ISSN 1600-0404, Vol. 137, no 2, p. 199-203Article in journal (Refereed) Published
Abstract [en]

Objectives

Patients with severe subarachnoid haemorrhage (SAH) often suffer from complications with delayed cerebral ischaemia (DCI) due to vasospasm that is difficult to identify by clinical examination. The purpose of this study was to monitor seizures and to measure cerebrospinal fluid (CSF) concentrations of neurofilament light (NFL) and tau, and to see whether they could be used for predicting preclinical DCI.

Methods

We prospectively studied 19 patients with aneurysmal SAH who underwent treatment with endovascular coiling. The patients were monitored with continuous EEG (cEEG) and received external ventricular drainage (EVD). CSF samples of neurofilament light (NLF) and total tau (T-tau) protein were collected at day 4 and day 10. Cox regression analysis was applied to evaluate whether seizures and protein biomarkers were associated with DCI and poor outcome.

Results

Seven patients developed DCI (37%), and 4 patients (21%) died within the first 2months. Six patients (32%) had clinical seizures, and electrographic seizures were noted in one additional patient (4.5%). Increased tau ratio (proportion tau10/tau4) was significantly associated with DCI and hazard ratio [HR=1.33, 95% confidence interval (CI) 1.055-1.680. P=.016].

Conclusion

Acute symptomatic seizures are common in SAH, but their presence is not predictive of DCI. High values of the tau ratio in the CSF may be associated with development of DCI.

Keywords
acute symptomatic seizures, cerebrospinal biomarkers, continuous EEG monitoring, NFL and tau, non-convulsive seizures, subarachnoid haemorrhage
National Category
Neurology
Identifiers
urn:nbn:se:uu:diva-341480 (URN)10.1111/ane.12873 (DOI)000419583500007 ()29164612 (PubMedID)
Available from: 2018-02-28 Created: 2018-02-28 Last updated: 2018-02-28Bibliographically approved
Johnson, U., Engquist, H., Lewén, A., Howells, T., Nilsson, P., Ronne-Engström, E., . . . Enblad, P. (2017). Increased risk of critical CBF levels in SAH patients with actual CPP below calculated optimal CPP. Acta Neurochirurgica, 159(6), 1065-1071
Open this publication in new window or tab >>Increased risk of critical CBF levels in SAH patients with actual CPP below calculated optimal CPP
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2017 (English)In: Acta Neurochirurgica, ISSN 0001-6268, E-ISSN 0942-0940, Vol. 159, no 6, p. 1065-1071Article in journal (Refereed) Published
Abstract [en]

Background Cerebral pressure autoregulation can be quantified with the pressure reactivity index (PRx), based on the correlation between blood pressure and intracranial pressure. Using PRx optimal cerebral perfusion pressure (CPPopt) can be calculated, i.e., the level of CPP where autoregulation functions best. The relation between cerebral blood flow (CBF) and CPPopt has not been examined. The objective was to assess to which extent CPPopt can be calculated in SAH patients and to investigate CPPopt in relation to CBF.

Methods Retrospective study of prospectively collected data. CBF was measured bedside with Xenon-enhanced CT (Xe-CT). The difference between actual CPP and CPPopt was calculated (CPPa dagger). Correlations between CPPa dagger and CBF parameters were calculated with Spearman's rank order correlation coefficient (rho). Separate calculations were done using all patients (day 0-14 after onset) as well as in two subgroups (day 0-3 and day 4-14).

Results Eighty-two patients with 145 Xe-CT scans were studied. Automated calculation of CPPopt was possible in adjunct to 60% of the Xe-CT scans. Actual CPP < CPPopt was associated with higher numbers of low-flow regions (CBF < 10 ml/100 g/min) in both the early phase (day 0-3, n = 39, Spearman's rho = -0.38, p = 0.02) and late acute phase of the disease (day 4-14, n = 35, Spearman's rho = -0.39, p = 0.02). CPP level per se was not associated with CBF.

Conclusions Calculation of CPPopt is possible in a majority of patients with severe SAH. Actual CPP below CPPopt is associated with low CBF.

Keywords
cerebral blood flow, autoregulation, CPP, subarachnoid haemorrhage
National Category
Clinical Medicine
Research subject
Neurosurgery
Identifiers
urn:nbn:se:uu:diva-294191 (URN)10.1007/s00701-017-3139-7 (DOI)000401117700016 ()28361248 (PubMedID)
Available from: 2016-09-21 Created: 2016-05-18 Last updated: 2017-06-13Bibliographically approved
Vlachogiannis, P., Hillered, L., Khalil, F., Enblad, P. & Ronne, E. (2017). Interleukin-6 levels in cerebrospinal fluid and plasma in patients with severe spontaneous subarachnoid hemorrhage. Paper presented at 28th International Symposium on Cerebral Blood Flow, Metabolism and Function / 13th International Conference on Quantification of Brain Function with PET, APR 01-04, 2017, Int Soc Cerebral Blood Flow & Metab, Berlin, GERMANY. Journal of Cerebral Blood Flow and Metabolism, 37, 496-496
Open this publication in new window or tab >>Interleukin-6 levels in cerebrospinal fluid and plasma in patients with severe spontaneous subarachnoid hemorrhage
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2017 (English)In: Journal of Cerebral Blood Flow and Metabolism, ISSN 0271-678X, E-ISSN 1559-7016, Vol. 37, p. 496-496Article in journal, Meeting abstract (Other academic) Published
Place, publisher, year, edition, pages
Sage Publications, 2017
National Category
Endocrinology and Diabetes Hematology Neurology
Identifiers
urn:nbn:se:uu:diva-331037 (URN)000400157400728 ()
Conference
28th International Symposium on Cerebral Blood Flow, Metabolism and Function / 13th International Conference on Quantification of Brain Function with PET, APR 01-04, 2017, Int Soc Cerebral Blood Flow & Metab, Berlin, GERMANY
Note

Supplement: 1, Meeting Abstract: PS06-089

Available from: 2017-10-11 Created: 2017-10-11 Last updated: 2017-10-11
Borota, L., Jangland, L., Åslund, P.-E., Ronne-Engström, E., Nyberg, C., Mahmoud, E., . . . Patz, A. (2017). Spot fluoroscopy: a novel innovative approach to reduce radiation dose in neurointerventional procedures. Acta Radiologica, 58(5), 600-608
Open this publication in new window or tab >>Spot fluoroscopy: a novel innovative approach to reduce radiation dose in neurointerventional procedures
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2017 (English)In: Acta Radiologica, ISSN 0284-1851, E-ISSN 1600-0455, Vol. 58, no 5, p. 600-608Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Increased interest in radiation dose reduction in neurointerventional procedures has led to the development of a method called "spot fluoroscopy" (SF), which enables the operator to collimate a rectangular or square region of interest anywhere within the general field of view. This has potential advantages over conventional collimation, which is limited to symmetric collimation centered over the field of view.

PURPOSE: To evaluate the effect of SF on the radiation dose.

MATERIAL AND METHODS: Thirty-five patients with intracranial aneurysms were treated with endovascular coiling. SF was used in 16 patients and conventional fluoroscopy in 19. The following parameters were analyzed: the total fluoroscopic time, the total air kerma, the total fluoroscopic dose-area product, and the fluoroscopic dose-area product rate. Statistical differences were determined using the Welch's t-test.

RESULTS: The use of SF led to a reduction of 50% of the total fluoroscopic dose-area product (CF = 106.21 Gycm(2), SD = 99.06 Gycm(2) versus SF = 51.80 Gycm(2), SD = 21.03 Gycm(2), p = 0.003884) and significant reduction of the total fluoroscopic dose-area product rate (CF = 1.42 Gycm(2)/min, SD = 0.57 Gycm(2)/s versus SF = 0.83 Gycm(2)/min, SD = 0.37 Gycm(2)/min, p = 0.00106). The use of SF did not lead to an increase in fluoroscopy time or an increase in total fluoroscopic cumulative air kerma, regardless of collimation.

CONCLUSION: The SF function is a new and promising tool for reduction of the radiation dose during neurointerventional procedures.

Keywords
X-ray, collimation, digital subtraction angiography (DSA), neurointervention, fluoroscopy, dose saving
National Category
Radiology, Nuclear Medicine and Medical Imaging
Identifiers
urn:nbn:se:uu:diva-303911 (URN)10.1177/0284185116658682 (DOI)000397475900013 ()27522095 (PubMedID)
Available from: 2016-09-27 Created: 2016-09-27 Last updated: 2017-08-08Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0001-6345-9415

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