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Intraoperative PeriodMonitoring, IntraoperativeIntracranial Arteriovenous MalformationsCerebral AngiographyIntracranial AneurysmIntraoperative CareAngiographyCoronary AngiographyMagnetic Resonance AngiographyAngiography, Digital SubtractionIntraoperative ComplicationsFluorescein AngiographyTomography, X-Ray ComputedContrast MediaTreatment OutcomeSensitivity and SpecificityRetrospective StudiesProspective StudiesPostoperative ComplicationsRadionuclide AngiographyImaging, Three-DimensionalCoronary Artery DiseaseFrozen SectionsNeuronavigationPredictive Value of TestsCoronary StenosisEmbolization, TherapeuticTomography, Spiral ComputedIndocyanine GreenFollow-Up StudiesSurgery, Computer-AssistedBlood Loss, SurgicalNeurosurgical ProceduresCarotid Artery, InternalPreoperative CareIntraoperative AwarenessReproducibility of ResultsTime FactorsIopamidolFeasibility StudiesUltrasonography, InterventionalArterial Occlusive DiseasesStentsImage Processing, Computer-AssistedMagnetic Resonance ImagingMultidetector Computed TomographyVertebral ArteryConstriction, PathologicAneurysm, RupturedCoronary VesselsSubarachnoid HemorrhageRadiographic Image Interpretation, Computer-AssistedCoronary DiseaseCarotid StenosisIohexolCentral Nervous System Vascular MalformationsVascular PatencyObserver VariationRadiographic Image EnhancementCoronary Artery BypassRisk FactorsIntraoperative Neurophysiological MonitoringArteriovenous MalformationsUltrasonography, Doppler, DuplexVertebrobasilar InsufficiencyAnesthesia, GeneralAortographyEchocardiography, TransesophagealReoperationSurgical InstrumentsCerebral ArteriesArteriovenous FistulaSeverity of Illness IndexBlood Flow VelocityRadiography, InterventionalCerebral VeinsRadiation DosageCollateral CirculationMyocardial InfarctionLaparoscopyCarotid Artery DiseasesElectrocardiographyEndarterectomy, CarotidImage EnhancementParathyroidectomyPostoperative PeriodAngioplasty, Balloon, CoronaryVascular Surgical ProceduresBlood Vessel Prosthesis ImplantationEquipment DesignFundus OculiCircle of WillisCraniotomyCardiac CatheterizationGraft Occlusion, VascularTomography, Emission-Computed, Single-PhotonCarotid ArteriesPostoperative CareRecurrenceUltrasonography, Doppler, Color

IndocyanineFluorescenceAneurysmsConventional angiographyComputed TomographyNeurosurgeryOcclusionAneurysmFree flapMagneticUnderwentAssessmentScintigraphyCoronaryCapsulePreoperativePostoperativeUltrasonographySurgeryAnastomosisAbstractEvaluationFindingsHepaticImagingAcuteMeasurementBoneReconstructionPatientsManagementRemovalTimeHeadCasesBlood cell

Indocyanine7

• In an era of indocyanine angiography (ICG), the routine use of intra-operative angiography (IOA) in the surgical treatment of intracranial aneurysms and arteriovenous malformation (AVM) is controversial. (cns.org)
• Intraoperative indocyanine green (ICG) angiography is used in free flap surgery to evaluate the patency of vessel anastomosis. (diagnosticgreen.com)
• Indocyanine green angiography (ICGA) is an effective tool for identifying hypoperfused areas. (thieme-connect.de)
• Optimizing Indocyanine Green Fluorescence Angiography in Reconstructive Flap Surgery: A Systematic Review and Ex Vivo Experiments. (thieme-connect.de)
• This angiography is obtained by injecting a fluorescence dye e.g. indocyanine green and using an infrared camera system to visualize the fluorescence inside the vessel. (degruyter.com)
• Role of intraoperative indocyanine green video-angiography to identify small,arteriovenous malformations. (unict.it)
• Comparison of Indocyanine Green Angiography vs Intraoperative Parathyroid Hormone measurement in early prediction of risk of post thyroidectomy hypocalcemia : a prospective cohort study. (who.int)

Fluorescence1

• In neurovascular surgery the intraoperative fluorescence angiography has been proven to be a reliable contact-free optical imaging technique to visualize vascular blood-flow. (degruyter.com)

Aneurysms4

• To evaluate the stability of aneurysm occlusion at follow-up angiography after endovascular treatment (EVT) with detachable coils in intracranial berry aneurysms. (rsna.org)
• The 3D reformatted contrast enhanced CT angiography demonstrated a cluster of dilated dysplastic vessels with pseudo aneurysms, anticipating potentially significant intraoperative blood loss (Figure 1C). (jscimedcentral.com)
• Regression or evolution of these aneurysms is monitored with serial angiography. (medscape.com)
• Finally, completion angiography showed that entrapped ET was reset and excluded isolated dissecting aortic aneurysms (Fig. 2 ). (biomedcentral.com)

Conventional angiography2

• Intraoperative conventional angiography has proven to be overly cumbersome and associated with elevated risk of iatrogenic postoperative renal insufficiency. (medscape.com)
• CT angiography (CTA) has been demonstrated to be an accurate and cost-effective alternative to conventional angiography and MR angiography in a variety of clinical settings. (ajnr.org)

Computed Tomography4

• Computed tomography angiography (CTA) is an effective imaging method for evaluating the renovascular morphology of donor candidates. (istinye.edu.tr)
• Our portfolio ranges from mobile C-arms and robotic angiography systems to Computed Tomography (CT) and Magnetic Resonance Imaging (MRI). (siemens-healthineers.com)
• Plain computed tomography (CT) and magnetic resonance angiography (MRA) revealed that the ET was entrapped in an isolated dissecting aortic aneurysm (Fig. 1 ). (biomedcentral.com)
• The guideline will provide a review of diagnostic modalities for patients with small bowel hemorrhage including VCE, endoscopic evaluation with push and/or deep enteroscopy, and radiographic modalities including cross-sectional imaging (computed tomography (CT) and magnetic resonance (MR)) enterography, angiography, and scintigraphy. (medscape.com)

Neurosurgery1

• The Hybrid Operative Suite with Intraoperative Biplane Rotational Angiography in Pediatric Cerebrovascular Neurosurgery: Utility and Lessons Learned. (ucsfhealth.org)

Occlusion3

• Of the 169 cases, last follow-up angiography showed total occlusion in 133 cases, subtotal in 30, and incomplete in six. (rsna.org)
• A very small recurrence may be observed at the level of the neck of the aneurysm at long-term follow-up angiography despite achieving total occlusion initially with detachable coils. (rsna.org)
• Subsequent angiography confirmed occlusion at the hepatic arterial anastomosis. (medscape.com)

Aneurysm4

• Background Intraoperative angiography (IOA) is essential in evaluating residual aneurysm following clip ligation, but it does lead to an additional procedure which increases the duration of the procedure as well as increasing room traffic. (bmj.com)
• Digital subtraction angiography (DSA) is still considered the gold standard among the currently used imaging methods for the diagnosis of an intracranial aneurysm. (hindawi.com)
• Magnetic resonance angiography revealed that the ET was entrapped in an isolated dissecting aortic aneurysm, which obstructed blood flow, thus causing ischemia. (biomedcentral.com)
• Preprocedural magnetic resonance angiography (MRA) revealed that the distal elephant trunk (ET) was entrapped in the isolated dissecting aortic aneurysm. (biomedcentral.com)

Free flap2

• This study evaluated the outcomes of intraoperative ICG angiography in free flap surgery for head and neck cancer. (diagnosticgreen.com)
• We found that free flap surgery with intraoperative ICG angiography significantly decreased total flap failure rate and significantly increased salvage rate but did not significantly affect the reexploration rate. (diagnosticgreen.com)

Magnetic2

• Computed tomographic angiography (CTA) and magnetic resonance angiography (MRA) are routinely utilized nowadays in clinical practice. (hindawi.com)
• The brain magnetic resonance images (MRI) and MR angiography (MRA) showed evidence of multiple embolic infarctions from the right VA to the right cerebellum, right parieto-occipital junction, and right occipital lobe. (surgicalneurologyint.com)

Underwent3

• 259 cases underwent intraoperative ICG angiography. (diagnosticgreen.com)
• He subsequently underwent a Roux-en-Y reconstruction and gastrostomy tube placement via the distal gastric remnant. (sages.org)
• The outcome was excellent (Glasgow Outcome Scale Scores 5), and postoperative angiography demonstrated complete obliteration of the BBA as well as good graft patency in all 5 patients who underwent trapping/EC-IC bypass. (unboundmedicine.com)

Assessment4

• The opportunity to combine both full-phase angiography and perfusion into a single, real-time assessment of physiology makes this approach unique and unprecedented. (medscape.com)
• Video magnification for intraoperative assessment of vascular function" Current Directions in Biomedical Engineering , vol. 3, no. 2, 2017, pp. 175-178. (degruyter.com)
• Naber, A. and Nahm, W. (2017) Video magnification for intraoperative assessment of vascular function. (degruyter.com)
• ARTIS pheno® is a angiography system for individualized preprocedural planning, intraoperative guidance, and immediate assessment. (siemens-healthineers.com)

Scintigraphy1

• Ultrasonography (US), CT, MRI, cholangiography, angiography and scintigraphy are the most common radiological modalities used to evaluate the hepatic graft. (medscape.com)

Coronary4

• Each frame illustrates a single time point in the full-phase angiography sequence: baseline, arterial, microvascular, venous and residual, from a patient undergoing off-pump coronary artery bypass. (medscape.com)
• Per operative coronary angiography has always been desired by coronary surgeons. (khas.edu.tr)
• Thermal angiography device IVA-2000 (OPGAL) is started to be used in our coronary bypass operations as a routine procedure. (khas.edu.tr)
• Repeat coronary angiography was indicated because of recurrent angina with only light exertion. (thieme-connect.com)

Capsule1

• If routine endoscopy is nondiagnostic, small-bowel endoscopy, capsule endoscopy, intraoperative endoscopy, or visceral angiography may be required. (merckmanuals.com)

Preoperative1

• Preoperative angiography of the right VA with neck rotation. (surgicalneurologyint.com)

Postoperative1

• 4] "At the same time, radiation levels were lower with intraoperative 3D scanning than with postoperative CT," says Richter. (siemens-healthineers.com)

Ultrasonography1

• After suturing, temporary clips are removed and patency is confirmed by ultrasonography or intraoperative ICG videoangiography [ Figure 2 ]. (surgicalneurologyint.com)

Surgery5

• Intraoperative 3D imaging in orthopedic and trauma surgery helps position implants and screws more accurately and to optimally reposition bone fragments, while also reducing complications and costly revision surgery. (siemens-healthineers.com)
• Intraoperative imaging gives the surgeon an opportunity to correct the position of bone fragments or the placement of screws and other implants during an operation and hopefully to improve the result of the surgery," says Jochen Franke, MD, Head of the Division of Trauma at the BG Trauma Center Ludwigshafen in Germany at a specialist symposium of the German Congress of Orthopedics and Traumatology in Berlin. (siemens-healthineers.com)
• In the Orthopedics and Trauma Surgery Department of the University Hospital Ulm, the spine and pelvis are the main areas of application for intraoperative 3D imaging with a robotic-assisted C-arm. (siemens-healthineers.com)
• This shows that in fractures of the hip socket the mean fracture gap following surgery was significantly smaller when intraoperative 3D imaging was used. (siemens-healthineers.com)
• A prospective study to compare the efficacy of ICG dye Angiography and Parathyroid Hormone measurement in early prediction of risk of decrease in blood calcium levels after thyroid surgery. (who.int)

Anastomosis1

• Intraoperative photographs of superficial temporal artery-middle cerebral artery anastomosis and schemas showing microanastomosis with short-thread double-armed microsuture. (surgicalneurologyint.com)

Abstract1

• abstract = "We tested a new stroboscopic light source for intraoperative fluorescein angiography. (johnshopkins.edu)

Evaluation1

• The perfusion evaluation is new, and is a consequence of capturing all three phases of fluorescent full-phase angiography over multiple cardiac cycles. (medscape.com)

Findings1

• What intraoperative evidence exists to support these findings, and the premise that the framework for CABG needs to evolve? (medscape.com)

Hepatic1

• During angiography, a catheter is placed selectively via either the transjugular or transfemoral route into the hepatic vein to measure portal pressure. (medscape.com)

Imaging9

• Digital subtraction angiography is considered the imaging method of choice. (hindawi.com)
• Dr. Lewin's past research spans basic science and clinical aspects of interventional MR imaging, functional MR imaging, head and neck imaging, MR angiography, small animal imaging and the imaging of acute stroke. (emory.edu)
• Dr. Lewin has been a pioneer in interventional and intraoperative MR imaging and has published approximately 200 peer-reviewed scientific manuscripts and more than 60 chapters, reviews, commentaries and other invited papers on topics, including the basic science and clinical aspects of interventional MR imaging, functional MR imaging, head and neck imaging, MR angiography, small animal imaging and the imaging of acute stroke. (emory.edu)
• Intraoperative 3D imaging is a topical issue not only in practice but also at specialist congresses. (siemens-healthineers.com)
• Implant or bone fragment misplacements can be detected much more reliably with intraoperative 3D imaging than with 2D fluoroscopy as found in most operating theaters, says Franke. (siemens-healthineers.com)
• In Ludwigshafen, the bone fragments in these patients are temporarily fixed in place with a Kirschner wire, and the repositioning result is then monitored using intraoperative 3D imaging. (siemens-healthineers.com)
• There are numerous other examples: patients with fractures of the spine or pelvis as well as patients with spinal tumors greatly benefit from intraoperative 3D imaging. (siemens-healthineers.com)
• Intraoperative imaging in orthopedics and traumatology? (siemens-healthineers.com)
• In the field of acute traumatology, for example, the use of intraoperative 3D imaging in a wide range of fracture types allowed the intraoperative placement of bone fragments or implants to be optimized in around one in five patients. (siemens-healthineers.com)

Acute1

• When there is acute overt hemorrhage in the unstable patient, angiography should be performed emergently. (medscape.com)

Measurement1

• Run-off was measured with intraoperative transit time flow measurement (Medistim VeriQ, Deisenhofen, Germany), showing regular waveforms. (thieme-connect.com)

Bone1

• Bone-subtraction techniques have been shown to enhance CT angiography (CTA) interpretation, but motion can lead to incomplete bone removal. (ajnr.org)

Reconstruction1

• Otherwise emergent cases will require staged gastrectomy including the wrap followed by Roux-en-Y reconstruction. (sages.org)

Patients3

• Differences in outcomes were compared between patients treated using intraoperative ICG angiography and those treated without. (diagnosticgreen.com)
• Les pratiques des médecins en termes de fréquence d'utilisation des examens radiologiques routiniers et de discussion sur les risques avec leurs patients étaient aussi médiocres. (who.int)
• Intraoperative bleeding from the BBAs never occurred in any of these 5 patients. (unboundmedicine.com)

Management1

• What are the cardiopulmonary sequelae that can impact intraoperative management? (snacc.org)

Removal1

• This new stroboscopic light source provides a flash of sufficient light intensity to perform high-resolution, high-contrast fluorescein angiography during operations for the removal of opacified media. (johnshopkins.edu)

Time1

• Intraoperative bleeding however may extend the intraoperative time and prevent complete excision. (jscimedcentral.com)

Head1

• Angiography showed it transiently compressed the right VA when the head was rotated to the right, but with relief of VA compression, when the head was rotated to the left [ Figures 1 - 3 ]. (surgicalneurologyint.com)

Cases2

• In both cases, en bloc tumor resection was successfully performed via a simultaneous exoscopic transcranial approach using a 3D-HMD and an endoscopic endonasal approach, eliminating the need to watch a large monitor beside the patient. (thejns.org)
• Follow-up angiography at least 3 months later was performed in 169 cases. (rsna.org)

Blood cell1

• Technetium-99m-labeled red blood cell scans are less specific but may help localize the lesion enough to facilitate endoscopy or angiography. (merckmanuals.com)