Endoscopic localization and assessment of coronary arteries by 13 MHz epicardial ultrasound

Budde, Ricardo P.J.; Meijer, Rudy; Bakker, Patricia F.A.; Borst, Cornelius; Gründeman, Paul F.

doi:10.1016/j.athoracsur.2003.10.051

Cited by 13 publications

(24 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The combined results in 628 patients to assess a total of 912 (segments of) coronary arteries and 418 grafts and distal anastomoses are reported [1-6, 9, 11-18, 20-24, 29-32], as well as experimental validation in animal and ex vivo experiments of 60 coronary arteries and 218 anastomoses [1,2,10,17,[25][26][27][28]. Owing to the heterogeneity of the studies, the review does not include a meta-analysis of the reported findings.…”

Section: Resultsmentioning

confidence: 99%

“…Transducer size gradually decreased from rod-shaped transducers as large as 24 9 2.5 cm that were used in the pioneering 1980s studies [2][3][4] to (mini-) transducers as small as 1.5 9 0.9 9 0.6 cm [10,12,13,[15][16][17][20][21][22][23][24][25][26][27][28][29][30] (Fig. 1A).…”

Section: Transducer Sizementioning

confidence: 99%

“…For LAD identification, the underlying ventricular septum and the presence of septal perforators serve as distinctive echocardiographic landmarks [15,29]. Arteries can be discriminated from accompanying veins by the presence of calcifications and plaque and in color Doppler imaging, by the different color filling due to opposite flow directions [3,22,25]. Furthermore, veins are more easily compressed than arteries when applying gentle pressure with the transducer.…”

Section: Localization and Identification By Ecusmentioning

confidence: 99%

“…In animal models robot-assisted ECUS was successfully used endoscopically to locate the major arteries for bypass grafting [25].…”

Section: Localization and Identification By Ecusmentioning

confidence: 99%

See 3 more Smart Citations

High-frequency epicardial ultrasound: review of a multipurpose intraoperative tool for coronary surgery

et al. 2008

Self Cite

View full text Add to dashboard Cite

Background In open-chest coronary artery bypass grafting (CABG), the surgeon faces several intraoperative challenges: (1) to locate the target coronary artery, (2) to select the optimal anastomotic site, and (3) to assess the quality of the graft and distal anastomosis. Endoscopically, these three diagnostic aims are particularly challenging. Methods We reviewed the literature on the intraoperative application of high-frequency (6.5-15 MHz) epicardial ultrasound (ECUS) in CABG to aid in these challenges. Results Overall, ECUS was used in 628 patients to visualize and assess 912 (segments of) coronary arteries, as well as 418 grafts and distal anastomoses. In 96 cases, ECUS successfully located a coronary artery that was buried in the epicardial and/or myocardial tissue. In 37/155 (24%) imaged anastomotic sites, an alternative site free of pathology was selected. For quality assessment of the coronary anastomosis, experimental validation of ECUS included 218 anastomoses in ex vivo and animal models. ECUS showed high sensitivity (0.98) and specificity (1.00) for detection of anastomotic construction errors in 120 ex vivo anastomoses. In 418 grafts and distal anastomoses evaluated in patients, irregularities leading to revision were detected in 8 (1.9%) anastomoses and minor irregularities in an additional 23 (5.5%) anastomoses. However, little is known about the effect on long-term patency of specific anastomotic abnormalities revealed by ECUS. Scanning of arteries and anastomoses required several minutes. Current size ultrasound probes allowed successful experimental robot-assisted endoscopic application of ECUS. Conclusions CABG may be facilitated and improved in several ways by intraoperative high-frequency epicardial ultrasound scanning. Totally endoscopic CABG may benefit from ultrasound diagnostics in particular.

show abstract

Section: Resultsmentioning

confidence: 99%

Section: Transducer Sizementioning

confidence: 99%

Section: Localization and Identification By Ecusmentioning

confidence: 99%

“…In animal models robot-assisted ECUS was successfully used endoscopically to locate the major arteries for bypass grafting [25].…”

Section: Localization and Identification By Ecusmentioning

confidence: 99%

See 2 more Smart Citations

High-frequency epicardial ultrasound: review of a multipurpose intraoperative tool for coronary surgery

et al. 2008

Self Cite

View full text Add to dashboard Cite

show abstract

“…Many aids have been proposed to assist motion estimation: position tracking [18][27], active imaging with structured light [6][19] [23] or time of flight [29], additional markers [3] or expensive (MR or CT) pre-scans [5] [12]. In contrast to these approaches, our method is purely based on information that is extracted from the existing endoscopic images.…”

Section: Aided Motion Estimationmentioning

confidence: 99%

Streaming video-based 3D reconstruction method compatible with existing monoscopic and stereoscopic endoscopy systems

et al. 2012

View full text Add to dashboard Cite

"Streaming video-based 3D reconstruction method compatible with existing monoscopic and stereoscopic endoscopy systems", Proc. SPIE, Vol. 8371, 837112 (2012) ABSTRACTCompared to open surgery, minimal invasive surgery offers reduced trauma and faster recovery. However, lack of direct view limits space perception. Stereo-endoscopy improves depth perception, but is still restricted to the direct endoscopic field-of-view. We describe a novel technology that reconstructs 3D-panoramas from endoscopic video streams providing a much wider cumulative overview. The method is compatible with any endoscope. We demonstrate that it is possible to generate photorealistic 3D-environments from mono-and stereoscopic endoscopy. The resulting 3D-reconstructions can be directly applied in simulators and e-learning. Extended to real-time processing, the method looks promising for telesurgery or other remote vision-guided tasks.

show abstract

Current status of robotically assisted coronary revascularization

Wimmer‐Greinecker

Deschka

Aybek

et al. 2004

The American Journal of Surgery

View full text Add to dashboard Cite

Endoscopic localization and assessment of coronary arteries by 13 MHz epicardial ultrasound

Cited by 13 publications

References 12 publications

High-frequency epicardial ultrasound: review of a multipurpose intraoperative tool for coronary surgery

High-frequency epicardial ultrasound: review of a multipurpose intraoperative tool for coronary surgery

Streaming video-based 3D reconstruction method compatible with existing monoscopic and stereoscopic endoscopy systems

Current status of robotically assisted coronary revascularization

Contact Info

Product

Resources

About