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  1. Article ; Online: Epinephrine infusion during venoarterial extracorporeal membrane oxygenation support for cardiogenic shock: simply inefficient or deleterious?

    Guihaire, Julien / Dang Van, Simon

    ESC heart failure

    2022  Volume 9, Issue 5, Page(s) 3663

    MeSH term(s) Humans ; Shock, Cardiogenic/therapy ; Extracorporeal Membrane Oxygenation ; Epinephrine/therapeutic use ; Retrospective Studies
    Chemical Substances Epinephrine (YKH834O4BH)
    Language English
    Publishing date 2022-06-03
    Publishing country England
    Document type Letter
    ZDB-ID 2814355-3
    ISSN 2055-5822 ; 2055-5822
    ISSN (online) 2055-5822
    ISSN 2055-5822
    DOI 10.1002/ehf2.13826
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  2. Article ; Online: Off-Pump Wrapping for Acute Type A Aortic Dissection: Alternate Option in Patients Deemed Inoperable.

    Guihaire, Julien / Ramadan, Ramzi / Nottin, Remi

    The Annals of thoracic surgery

    2022  Volume 114, Issue 6, Page(s) 2396–2397

    MeSH term(s) Humans ; Aneurysm, Dissecting/surgery ; Aortic Aneurysm, Thoracic/surgery ; Treatment Outcome
    Language English
    Publishing date 2022-02-19
    Publishing country Netherlands
    Document type Letter ; Comment
    ZDB-ID 211007-6
    ISSN 1552-6259 ; 0003-4975
    ISSN (online) 1552-6259
    ISSN 0003-4975
    DOI 10.1016/j.athoracsur.2022.01.051
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    Zs.A 252: Show issues Location:
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  3. Article ; Online: Imaging the vasculature of a beating heart by dynamic speckle: the challenge of a quasiperiodic motion.

    Plyer, Aurélien / Colin, Elise / Orlik, Xavier / Akamkam, Ali / Guihaire, Julien

    Journal of biomedical optics

    2023  Volume 28, Issue 4, Page(s) 46007

    Abstract: The spatial and temporal evolution of the field backscattered by a beating heart while illuminated with a coherent light reveals its macro- and microvascularization in real time. To perform these vascularization images, we use a recently published method ...

    Abstract The spatial and temporal evolution of the field backscattered by a beating heart while illuminated with a coherent light reveals its macro- and microvascularization in real time. To perform these vascularization images, we use a recently published method of laser speckle imaging, based on the selective detection of spatially depolarized speckle field that is mainly generated by multiple scattering. We consider the calculation of the speckle contrast, by a spatial or temporal estimation. We show that the signal-to-noise ratio of the observed vascular structure can be noticeably increased by a postprocessing method implying the calculation of a motion field that allows the selection of similar frames extracted from different heartbeat periods. This later optimization reveals vascular microstructures with a spatial resolution of the order of
    MeSH term(s) Humans ; Diagnostic Imaging ; Heart/diagnostic imaging ; Algorithms ; Neovascularization, Pathologic
    Language English
    Publishing date 2023-04-25
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1309154-2
    ISSN 1560-2281 ; 1083-3668
    ISSN (online) 1560-2281
    ISSN 1083-3668
    DOI 10.1117/1.JBO.28.4.046007
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  4. Article ; Online: A Dancing Trapped Intracardiac Thrombus.

    Vallee, Aurélien / Lemann, Thomas / Savale, Laurent / Guihaire, Julien / Mercier, Olaf

    American journal of respiratory and critical care medicine

    2022  Volume 206, Issue 11, Page(s) 1405–1407

    MeSH term(s) Humans ; Heart Diseases/complications ; Heart Diseases/diagnostic imaging ; Pulmonary Embolism ; Thrombosis/complications ; Thrombosis/diagnostic imaging
    Language English
    Publishing date 2022-09-08
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1180953-x
    ISSN 1535-4970 ; 0003-0805 ; 1073-449X
    ISSN (online) 1535-4970
    ISSN 0003-0805 ; 1073-449X
    DOI 10.1164/rccm.202203-0454IM
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  5. Article ; Online: Congestive pulmonary oedema during venoarterial extracorporeal membrane oxygenation support: a plea for balloon atrial septostomy.

    Kloeckner, Martin / Guihaire, Julien / Hascoet, Sebastien

    European heart journal

    2021  Volume 42, Issue 32, Page(s) 3103–3104

    MeSH term(s) Extracorporeal Membrane Oxygenation/adverse effects ; Humans ; Intra-Aortic Balloon Pumping ; Pulmonary Edema/etiology ; Shock, Cardiogenic ; Thoracic Surgical Procedures
    Language English
    Publishing date 2021-03-11
    Publishing country England
    Document type Journal Article ; Comment
    ZDB-ID 603098-1
    ISSN 1522-9645 ; 0195-668X
    ISSN (online) 1522-9645
    ISSN 0195-668X
    DOI 10.1093/eurheartj/ehab118
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  6. Article ; Online: In Situ Fenestrated Thoracic Endovascular Repair Using the Upstream Peripheral Go Back

    Nana, Petroula / Le Houérou, Thomas / Gaudin, Antoine / Guihaire, Julien / Fabre, Dominique / Haulon, Stéphan

    Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists

    2023  , Page(s) 15266028221144589

    Abstract: Purpose: The aim is to present a case of in situ fenestrated thoracic endovascular repair, using a re-entry peripheral catheter, needing urgent repair due to recurrent episodes of hemoptysis because of an aorto-bronchial fistula after previous thoracic ... ...

    Abstract Purpose: The aim is to present a case of in situ fenestrated thoracic endovascular repair, using a re-entry peripheral catheter, needing urgent repair due to recurrent episodes of hemoptysis because of an aorto-bronchial fistula after previous thoracic endovascular aortic repair (TEVAR).
    Technique: A 74-year-old male with a previous TEVAR presented with hemoptysis, fever, and cachexia. An aorto-bronchial fistula and type Ia endoleak were depicted on computed tomography angiography (CTA). Due to the patient's frail general condition, a proximal TEVAR extension was planned, prior to thoracotomy for debridement, and long-term antibiotics. An in situ fenestrated TEVAR was performed to provide proximal sealing and revascularize the left common carotid and subclavian arteries. For fenestration creation, an Upstream Peripheral Go Back catheter (Bentley, Hechingen, Germany) was used. The Go Back catheter has been approved as a re-entry tool for complex peripheral arterial revascularization. In this case, both fenestrations were successfully created. Proximal seal and target vessel patency were confirmed on CTA. Thoracotomy confirmed aortic exclusion. A wedge lobectomy was performed in combination with pediculated omentectomy to exclude the exposed endograft.
    Conclusion: In urgent cases, where custom-made thoracic devices are unavailable, in situ fenestrations with the Go Back catheter are an alternative to laser fenestrations.
    Clinical impact: Fenestrations are often required in acute TEVAR to achieve a proximal seal in the arch. In situ fenestrations with the Go Back catheter are an alternative to laser fenestrations and PMEGs in this setting.
    Language English
    Publishing date 2023-01-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2006618-1
    ISSN 1545-1550 ; 1526-6028
    ISSN (online) 1545-1550
    ISSN 1526-6028
    DOI 10.1177/15266028221144589
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    Zs.A 4547: Show issues Location:
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  7. Article ; Online: Early and Midterm Outcomes of Endovascular Aortic Arch Repair Using In Situ Laser Fenestration.

    Nana, Petroula / Le Houérou, Thomas / Rockley, Mark / Guihaire, Julien / Gaudin, Antoine / Costanzo, Alessandro / Fabre, Dominique / Haulon, Stéphan

    Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists

    2024  , Page(s) 15266028241234497

    Abstract: Introduction: The aim of this study is to present single-center outcomes in patients treated with in situ laser fenestration thoracic endovascular aortic repair (LFTEVAR) for various aortic arch pathologies and assess the impact of increasing experience. ...

    Abstract Introduction: The aim of this study is to present single-center outcomes in patients treated with in situ laser fenestration thoracic endovascular aortic repair (LFTEVAR) for various aortic arch pathologies and assess the impact of increasing experience.
    Methods: The STrengthening the Reporting of OBservational studies in Epidemiology (STROBE) statement was followed. A retrospective analysis of prospectively collected single aortic center data was conducted, including baseline information and peri- and post-operative outcomes of consecutive patients managed with LFTEVAR for aortic arch pathologies. Patients were enrolled from April 1, 2017 to January 31, 2023. The cohort was dichotomized to compare early (2017-2019) and late experience (2020-2023). Primary outcomes were peri-operative mortality and cerebrovascular morbidity.
    Results: Thirty patients were included (63.3% males, mean age 69.8±9.6 years); 21.4% presented with aortic ruptures. Aortic aneurysm involving the aortic arch was the most frequent pathology (53.3%). Forty target vessels (TVs) were revascularized, including 19 left subclavian arteries (47.5%) and 17 left common carotid arteries (42.5%). Double fenestrations were performed in 10 patients. The proximal landing zone was Ishimaru zone 0 in 5 patients (16.7%) and zone 1 in 13 patients (43.3%). Technical success was 93%. No spinal cord ischemia was recorded, and 3 patients (10%) suffered a post-operative stroke, of which 1 was major (3.3%). The median follow-up was 12 months (range=1-48 months). Thirty-day and follow-up mortality rates were 13.5% and 15.3%, respectively. Target vessel instability was 10%, of which 3.8% required reintervention. There was no statistically significant difference in outcomes between the early and late experience groups.
    Conclusions: Laser fenestration thoracic endovascular aortic repair of the aortic arch performed in experienced aortic centers is associated with low early mortality and stroke rates. It is a safe and effective therapeutic option in patients considered unfit for open repair.
    Clinical impact: Custom-made devices for arch pathologies requiring urgent repair are not an option because of manufacturing delays. Off-the-shelf devices with single branch arch prostheses, and outside IFU techniques such as parallel-grafts and surgeon-modified endografts have been proposed in this setting. Another off-the-shelf alternative is in situ laser fenestration thoracic endovascular repair (LFTEVAR), which addresses many limitations of the other off-the-shelf options. Our study reports the outcomes of 30 patients treated with LFTEVAR, showing that it is a viable therapeutic option in patients considered unfit for open repair acknowledging that sufficient experience with complex endovascular aortic repair is mandatory to achieve acceptable outcomes in these high-risk patients with challenging aortic anatomies.
    Language English
    Publishing date 2024-02-26
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2006618-1
    ISSN 1545-1550 ; 1526-6028
    ISSN (online) 1545-1550
    ISSN 1526-6028
    DOI 10.1177/15266028241234497
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    Zs.A 4547: Show issues Location:
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  8. Article ; Online: Early Outcomes on Triple-Branch Arch Device With Retrograde Left Common Carotid Branch: A Case Series.

    Nana, Petroula / Houérou, Thomas Le / Guihaire, Julien / Gaudin, Antoine / Fabre, Dominique / Haulon, Stéphan

    Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists

    2023  , Page(s) 15266028231195758

    Abstract: Introduction: Endovascular aortic arch repair using multibranch devices has been applied in patients considered at high risk for open repair. The aim of this case series was to report the early outcomes in patients managed with a new design 3 branch ... ...

    Abstract Introduction: Endovascular aortic arch repair using multibranch devices has been applied in patients considered at high risk for open repair. The aim of this case series was to report the early outcomes in patients managed with a new design 3 branch arch custom-made device, including a retrograde left common carotid artery (LCCA) branch.
    Methods: The Preferred Reporting Of CaSe Series in Surgery (PROCESS) guidelines were followed. All consecutive patients undergoing endovascular repair of an aortic arch lesion with a custom-made triple-branch device, including a retrograde LCCA branch (Cook Medical, Bloomington, IN, USA), between October 27, 2022, and February 28, 2023, were included. The presence of an arch aneurysm (degenerative or post-dissection) with diameter ≥55 mm and high risk for a conventional open repair set the indication for treatment. The primary outcomes were technical success and mortality at 30 days. Early morbidity and reinterventions were considered as secondary outcomes.
    Results: Eight elective patients (87.5% men, mean age 72.3±27.0 years) were included. Five of them (62.5%) had undergone a previous ascending aorta repair of an acute type A aortic dissection. All patients were asymptomatic, except one, with left recurrent laryngeal nerve compression. The mean maximum aortic diameter was 70.4±21.0 mm. Percutaneous femoral and axillary access was used in all cases except three in which a cut down for right carotid access was performed. Technical success was 100%. Femoral access to the LCCA and implantation of the bridging stent was performed without technical challenges. No death nor cerebrovascular event was recorded during the 30 day follow-up. Five patients (62.5%) presented major complications, 3 related to access needing reintervention and the remaining related to congestive heart failure (CHF), which were managed successfully with medical treatment. Follow-up (range 1-4 month) was uneventful, except for one patient who presented a secondary type Ia endoleak.
    Conclusions: According to our early experience, the presence of a retrograde branch facilitated the revascularization of the LCCA through femoral access, decreasing the risk of cerebrovascular morbidity. Further analyses with longer follow-up are needed to evaluate the safety and efficacy of the device.
    Clinical impact: Data arising mainly from the retrograde branch for the revascularization of the LSA are encouraging from a variety of devices. The premiminary experience with a triple-branched arch device, with a retrograde branche for the LSA but also for the LCCA, was associated with no 30 day mortality and 100% technical success.The device's design allowed swift catheterization and completion of the LCCA revascularization using femoral access exclusively.
    Language English
    Publishing date 2023-08-28
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2006618-1
    ISSN 1545-1550 ; 1526-6028
    ISSN (online) 1545-1550
    ISSN 1526-6028
    DOI 10.1177/15266028231195758
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  9. Article ; Online: Are pressure-volume loops relevant for hemodynamic assessment during ex vivo heart perfusion?

    Guihaire, Julien / Haddad, François / Mercier, Olaf

    The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation

    2020  Volume 39, Issue 10, Page(s) 1165–1166

    MeSH term(s) Animals ; Child ; Extracorporeal Circulation ; Heart ; Hemodynamics ; Humans ; Perfusion ; Swine
    Language English
    Publishing date 2020-04-28
    Publishing country United States
    Document type Letter ; Comment
    ZDB-ID 1062522-7
    ISSN 1557-3117 ; 1053-2498
    ISSN (online) 1557-3117
    ISSN 1053-2498
    DOI 10.1016/j.healun.2020.04.023
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  10. Article ; Online: Off-Pump Wrapping for Acute Aortic Dissection in High-Risk Patients: A Simplified Procedure for a Life-Threatening Condition.

    Ramadan, Ramzi / Guihaire, Julien / Verscheure, Dorian

    The Annals of thoracic surgery

    2020  Volume 110, Issue 2, Page(s) 750–751

    MeSH term(s) Aneurysm, Dissecting ; Aorta ; Humans ; Stents
    Language English
    Publishing date 2020-05-21
    Publishing country Netherlands
    Document type Letter ; Comment
    ZDB-ID 211007-6
    ISSN 1552-6259 ; 0003-4975
    ISSN (online) 1552-6259
    ISSN 0003-4975
    DOI 10.1016/j.athoracsur.2020.03.118
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