Liver Tx: Guiding inflow modulation with TTFM

20. Dec 2022

This case demonstrates how Transit Time Flow Measurement (TTFM) can be used during liver transplant surgery as a guide when modulating the portal venous flow (PVF) to avoid hepatofugal flow. Hepatofugal flow or non-forward portal flow (NFPF)…

Liver Tx: Thrombus in Hepatic Artery detected with HFUS

23. Nov 2022

This case demonstrates how High-Frequency Ultrasound (HFUS) can detect thrombus in the hepatic artery even when Transit Time Flow Measurement (TTFM) did not reveal any flow related issues. The case example consists only of a set of measurements…

Liver Tx: Compromised anastomosis detected with TTFM

25. Oct 2022

This case demonstrates how Transit Time Flow Measurement (TTFM) can be used during liver transplant surgery to detect technical errors.

Meso-Rex shunt: Thrombus detected with TTFM and HFUS

29. Sep 2022

This case demonstrates how Transit Time Flow Measurement (TTFM) and High-Frequency Ultrasound (HFUS) were instrumental in avoiding a catastrophic incident. A thrombus in the saphenous vein graft (SVG) was detected during surgery. Meso-Rex shunt is a…

Kinked Internal Carotid Artery during CEA: Revision avoided due to TTFM

25. Aug 2022

This case shows the benefit of using Transit Time Flow Measurement (TTFM) in addition to High-Frequency Ultrasound (HFUS) after CEA when dealing with a kinked ICA. Finding kinks like these before performing CEA are not uncommon in elderly…

Unique findings with TTFM and HFUS during CEA in asymptomatic high-grade ICA and ECA stenosis

28. Jun 2022

This case shows that the expectation of a huge increase in flow is not always met in every case. However, a significant change in the flow curve can be seen. HFUS revealed intima flaps that…

Peripheral bypass re-operation: detection of thrombus in graft and flow in side branches

28. Jun 2022

Patient medical history: Patient with PAD and Fontaine stage IV on the right side. See image 1. Initial surgery: Fem-pop bypass. The surgery went uneventfully and the TTFM showed 41 ml/min with a PI of…

AV-access re-operation in a low-flow situation: quality assessment with TTFM and HFUS

28. Jun 2022

This case illustrates a low-flow situation of a Cimino fistula on the left forearm with a juxta-anastomotic stenosis. Transit Time Flow Measurement (TTFM) and High-frequency Ultrasound Imaging (HFUS) served as completion control.

Quality assessment during a Fem-Pop case

27. Jun 2022

This case example shows a routine fem-pop case where the surgeon assessed the quality of the bypass procedure using all 3 measurement technologies provided by the MiraQ system; High-frequency ultrasound imaging, TTFM and PW Doppler…

Thrombus detected with HFUS after CEA

27. Jun 2022

This case illustrates how ultrasound imaging enables more correct detection of higher-grade defects than angiography after CEA. The case is provided by the authors of the CIDAC study.

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