Jean-Luc Monin

Assistance Publique – Hôpitaux de Paris, Lutetia Parisorum, Île-de-France, France

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Publications (39)201.25 Total impact

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    ABSTRACT: To evaluate the prognostic impact of QRS width in patients with low-flow/low-gradient aortic stenosis (LF/LGAS). Among 88 consecutive patients referred to our institution for LF/LGAS from September 1994 to March 2007, baseline demographic, clinical, echocardiographic, and electrocardiographic data were collected. This population was divided into two groups according to baseline QRS duration (cut-off QRS ≥130 ms). Follow-up data, including electrocardiographic evolution and overall mortality, were analysed. The mean follow-up duration was 3.1 (2.2-6.2) years. In the whole group, 67 patients underwent surgical aortic valve replacement. Forty-nine patients (56%) had a QRS duration ≥130 ms. Among operated patients, there was no significant change in QRS duration between baseline and latest follow-up (126 ± 26 ms vs. 131 ± 25 ms; P = 0.82). In addition, wider QRS was a strong independent predictor of overall mortality (hazard ratio 2.20, 95% confidence interval 1.15-4.24; P = 0.027). Significant intraventricular conduction disturbances are common in patients with LF/LGAS and do not recover after aortic valve replacement. QRS duration is strongly associated with mortality in this selected population.
    European Journal of Heart Failure 02/2014; · 5.25 Impact Factor
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    ABSTRACT: BACKGROUND: Global longitudinal strain (GLS) and basal longitudinal strain (BLS) assessed using two-dimensional speckle-tracking imaging have been proposed as subtle markers of left ventricular (LV) systolic dysfunction with potential prognostic value in patients with aortic stenosis (AS). The aim of this study was to evaluate the relationship between longitudinal strain and symptomatic status in patients with AS. METHODS: GLS and BLS were measured in 171 patients with pure, isolated, at least mild AS prospectively enrolled at two institutions. The population was divided into four groups: asymptomatic nonsevere AS (n = 55), asymptomatic severe AS with preserved LV ejection fraction (LVEF; ≥50%) (n = 37), symptomatic severe AS with preserved LVEF (n = 60), and severe AS with reduced LVEF (<50%) (n = 19). RESULTS: GLS was significantly different among the four groups (P < .0001), but the difference was due mainly to patients with reduced LVEFs. In addition, there was an important overlap among the groups, and in multivariate analysis, after adjustment for age, gender, AS severity, and LVEF, GLS was not an independent predictor of symptomatic status (P = .07). BLS was also significantly different among the four groups (P < .0001) but in contrast was independently associated with symptomatic status (P < .0001). However, as for GLS, there was an important overlap between groups and differences were close to intraobserver or interobserver variability (1.3 ± 1.1% and 2.0 ± 1.6%, respectively). CONCLUSIONS: In this prospective multicenter cohort of patients with wide ranges of AS severity, symptoms, and LVEFs, BLS but not GLS was independently associated with symptomatic status. However, there was an important overlap among groups, and differences were close to measurements' reproducibility, raising caution regarding the use of longitudinal strain, at least as a single criterion, in the decision-making process for patients with severe asymptomatic AS.
    Journal of the American Society of Echocardiography: official publication of the American Society of Echocardiography 06/2013; · 2.98 Impact Factor
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    ABSTRACT: BACKGROUND: Right ventricular (RV) function is a strong predictor of patient outcome after cardiac surgery. Limited studies have compared the predictive value of RV global longitudinal strain (RV-GLS) with tricuspid annular plane systolic excursion (TAPSE) and RV fractional area change (RVFAC) in this setting. METHODS: The study included 250 patients (66 ± 13 years old, LVEF = 52% ± 12%) referred for cardiac surgery (EuroSCORE-II = 4.8% ± 8.0%). RV function before surgery was assessed by RV-GLS by using speckle-tracking analysis (3-segment from the RV free wall), RVFAC and TAPSE was compared with postoperative outcome defined by 1-month mortality. RESULTS: Overall, 19 patients (7.6%) had RVFAC < 35%, 34 (13.6%) had TAPSE < 16 mm, and 99 (39.6%) had impaired RV-GLS > -21% (35% with normal RVFAC ≥ 35%). Postoperative death (n = 25) was higher in patients with abnormal RV-GLS > -21% (22% vs 3%; P < .0001), TAPSE < 16 mm (24% vs 8%; P = .007), and RVFAC < 35% (32% vs 9%; P = .001). Mortality was 3% in patients with preserved RV-GLS. In patients with preserved RVFAC ≥ 35% but abnormal RV-GLS, mortality was similar to that of those with RVFAC < 35% (20% vs 32%; P = .12). Among RV systolic indexes, only RV-GLS was associated with patient outcome by multivariate analysis adjusted to EuroSCORE-II and cardiopulmonary bypass duration. CONCLUSIONS: RV-GLS is a sensitive marker of RV dysfunction and correlates with postoperative mortality.
    Journal of the American Society of Echocardiography: official publication of the American Society of Echocardiography 04/2013; · 2.98 Impact Factor
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    ABSTRACT: Transcatheter aortic valve implantation (TAVI) is effective in treating severe aortic stenosis in high-risk surgical patients. We evaluated the value of the QRS duration (QRSd) in predicting the mid-term morbidity and mortality after TAVI. We conducted a prospective cohort study of 91 consecutive patients who underwent TAVI using the CoreValve at our teaching hospital cardiology unit in 2008 to 2010 who survived to hospital discharge; 57% were women, and their mean age was 84 ± 7 years. The QRSd at discharge was used to classify the patients into 3 groups: QRSd ≤120 ms, n = 18 (20%); QRSd >120 ms but ≤150 ms, n = 30 (33%); and QRSd >150 ms, n = 43 (47%). We used 2 end points: (1) all-cause mortality and (2) all-cause mortality or admission for heart failure. After a median of 12 months, the normal-QRSd patients showed a trend toward, or had, significantly better overall survival and survival free of admission for heart failure compared with the intermediate-QRSd group (p = 0.084 and p = 0.002, respectively) and the long-QRSd group (p = 0.015 and p = 0.001, respectively). The factors significantly associated with all-cause mortality were the Society of Thoracic Surgeons score, aortic valve area, post-TAVI dilation, acute kidney injury, hospital days after TAVI, and QRSd at discharge. On multivariate analysis, QRSd was the strongest independent predictor of all-cause mortality (hazard ratio 1.036, 95% confidence interval 1.016 to 1.056; p <0.001) and all-cause mortality or heart failure admission (hazard ratio 1.025, 95% confidence interval 1.011 to 1.039; p <0.001). The other independent predictors were the Society of Thoracic Surgeons score, acute kidney injury, and post-TAVI hospital days. In conclusion, a longer QRSd after TAVI was associated with greater morbidity and mortality after 12 months. The QRSd at discharge independently predicted mortality and morbidity after TAVI.
    The American journal of cardiology 03/2013; · 3.58 Impact Factor
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    ABSTRACT: Decrease in blood platelet count has been described after percutaneous coronary intervention and surgical valve replacement, although no study has been performed in the setting of transcatheter aortic valve implantation (TAVI). The aim of this study was to address the incidence, mechanism, and impact of blood platelet count decrease after TAVI. One hundred forty-four consecutive patients (mean age 84 ± 7 years, 64 men) with severe symptomatic aortic stenosis who underwent TAVI from December 2007 to July 2011 were enrolled. Blood platelet count was recorded before and after aortic valve implantation. Decrease in blood platelet count was compared with in-hospital major adverse cardiovascular events (death, stroke, and major or life-threatening bleeding). Blood platelet count decreases occurred in all but 1 patient. The percentage of platelet count decrease averaged 34 ± 15% and was 24% greater than blood protein decrease. Decrease in platelet count was associated with a higher rate of prosthesis migration, longer x-ray and procedural times, and larger contrast amounts (230 ± 128 ml for the third tertile vs 170 ± 77 ml for the second and first tertiles, p = 0.0006), but no association was observed with regard to changes in bilirubin. In-hospital major adverse cardiovascular events (n = 50 [35%]) were observed more frequently in patients with severe platelet count decreases (21% for the first tertile, 35% for the second tertile, and 48% for the third tertile, p = 0.02). Finally, the percentage of blood platelet count decrease was the only predictor of in-hospital major adverse cardiovascular events (odds ratio 1.67, 95% confidence interval 1.05 to 2.67, p = 0.03). In conclusion, a decrease in platelet count is a common phenomenon after TAVI, and its severity is associated with poor outcomes.
    The American journal of cardiology 03/2013; · 3.58 Impact Factor
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    ABSTRACT: In a fraction of patients aged ≥90 years, less-invasive transcatheter aortic valve implantation (TAVI) has been considered a therapeutic option for aortic stenosis under careful clinical screening. However, the safety and effectiveness using TAVI in such a population has not been fully elucidated. The aim of the present study was to investigate the feasibility of TAVI in nonagenarians. We prospectively enrolled 136 consecutive patients with severe aortic stenosis who were referred for TAVI. The procedural, early, and midterm clinical outcomes were compared between patients aged <90 years (n = 110, average age 82.3 ± 8.3 years) and ≥90 years (n = 26; average age 91.6 ± 1.9 years). A comparison of the baseline characteristics revealed that among patients aged ≥90 years, the prevalence of women (50% vs 81%, p <0.001) and the mean aortic valve gradient (45.5 ± 15.4 vs 56.3 ± 23.4 mm Hg, p = 0.005) were greater than those in patients aged <90 years. Major vascular complications occurred more frequently in patients ≥90 years (5% vs 19%, p = 0.022), although the rate of procedural success and 30-day and 6-month mortality were not different between the 2 age groups (96% vs 100%, p = 0.58; 6% vs 15%, p = 0.22; and 14% vs 27%, p = 0.14, respectively). The mortality rates were greater among patients aged ≥90 years. At 6 months, both groups of survivors were similar in symptom status, with a New York Heart Association classification less than class II (89% vs 84%, p = 0.68). The cumulative survival (median 13.4 ± 8.0 months of follow-up) was not significantly different between the 2 age groups (p = 0.22, log-rank test). In conclusion, even very elderly nonagenarians can experience acceptable clinical results and benefits after TAVI.
    The American journal of cardiology 10/2012; 110(8):1156-63. · 3.58 Impact Factor
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    ABSTRACT: The present study sought to assess the effectiveness of local anesthesia with conscious sedation (LACS) during transcatheter aortic valve implantation (TAVI). On its introduction, TAVI was mostly performed with the patient under general anesthesia (GA); however, evidence supporting the use of less-invasive LACS has been increasing. The data from 174 consecutive patients who underwent TAVI by way of the femoral artery from December 2007 to December 2011 were analyzed. GA was mainly used in early phase of the study (n = 44); this was gradually shifted to LACS in the late phase (n = 130). The clinical outcomes were compared for those patients who received GA versus LACS. The incidence and causes of "LACS failure," defined as conversion to GA from LACS during TAVI, were also assessed. The rates of procedural success and 30-day mortality were not different between the 2 groups (93.3% vs 95.3%, p = 0.60; 6.7% vs 7.8%, p = 0.55, respectively). Although the clinical backgrounds of the patients showed differences, these results were not significant after adjusting for other influential confounders. The intensive care unit stay and hospital stay were longer in the GA group than in the LACS group (3.9 ± 2.2 vs 3.3 ± 1.5 days, p = 0.044; and 12.2 ± 8.3 vs 8.1 ± 6.5 days, p = 0.001, respectively). LACS failure occurred in 6 patients (4.6%), and the causes were multifactorial, as follows: cardiac tamponade in 2, cardiac arrest in 2, myocardial infarction in 1, and stroke in 1. In conclusion, transfemoral TAVI with the patient under LACS could be successfully performed in most patients, with the advantage of early recovery, although the perioperative risks involved in the TAVI procedure should be considered.
    The American journal of cardiology 10/2012; · 3.58 Impact Factor
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    ABSTRACT: OBJECTIVE: To identify clinical and electrical factors predicting delayed high degree atrio-ventricular block (AVB) after transcatheter aortic valve implantation (TAVI). BACKGROUND: TAVI is a new technique for treating severe aortic valve stenosis in patients at high surgical risk but can be followed by high grade AVB requiring permanent pacing. METHODS AND RESULTS: The study included 79 patients (82±17 years, Euroscore=23±10 %) free of permanent pacing need before and immediately after TAVI procedure. Delayed high degree AVB was defined by type 2 or 3 AVB diagnosed at least 24 hours after the index procedure. Permanent pace maker implantation was performed for all these patients. We compared clinical and electrical variables before and after TAVI in patients with delayed AVB or not. TAVI was performed successfully in all patients. The 21 (26%) patients who exhibited delayed high grade AVB had significantly deeper prosthesis implantation (12±4 mm vs. 9±5 mm, P=0.03) and wider post-TAVI QRS duration (155±17 ms vs. 131±25 ms, P=0.0004), with no difference in baseline QRS duration. Post-TAVI QRS duration was the only independent predictor of post-TAVI permanent for delayed high degree AVB (P=0.02). After a mean follow-up of 10±8 months, all 21 patients with post-TAVI QRS ≤128 ms were free of high-grade AVB, while 21/55 (38%) patients with post-TAVI QRS >128 ms had permanent pacing (P=0.0016). CONCLUSION: Delayed ( 24 hours after the procedure) high-grade AVB necessitating permanent pacing is common after TAVI. QRS duration measured immediately after TAVI was the best independent predictor of permanent pacing in this population. Patients with QRS ≤128 ms immediately after TAVI had no risk of requiring permanent pacing. © 2012 Wiley Periodicals, Inc.
    Catheterization and Cardiovascular Interventions 09/2012; · 2.51 Impact Factor
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    ABSTRACT: AIMS: Global longitudinal strain (GLS) seems accurate for detecting subclinical myocardial dysfunction, and may therefore be used to improve risk stratification for cardiac surgery. METHODS AND RESULTS: Longitudinal strain (by two-dimensional speckle tracking) was computed in 425 patients [mean age 67 ± 13 years, 69% male, left ventricular ejection fraction (LVEF) 51 ± 13%] referred for cardiac surgery [isolated coronary artery bypass graft (CABG) (n = 155), aortic valve surgery (n = 174), mitral surgery (n = 96)]. GLS (global-ε) was assessed for predicting early postoperative death. Despite a fair correlation between LVEF and global strain (r = -0.73, P < 0.0001), 40% of patients with preserved LVEF (defined as LVEF ≥50%) had abnormal global-ε (defined as global-ε >-16%): -12.8 ± 1.7%, range -15% to -8%. In patients with preserved LVEF, NT-proBNP level (983 vs. 541 pg/mL, P = 0.03), heart failure symptoms (NYHA class, 2.2 ± 0.9 vs. 1.9 ± 0.9, P = 0.02), and the need for prolonged (>48 h) inotropic support after surgery (33.3 vs. 21.2%, P = 0.03) were greater when global-ε was impaired. Importantly, despite similar EuroSCORE (9.7 ± 12 vs. 7.7 ± 9%, P = 0.2 for EuroSCORE I and 4.2 ± 6.2 vs. 3.4 ± 4.9%, P = 0.4 for EuroSCORE II), the rate of postoperative death was 2.4-fold (11.8 vs. 4.9%, P = 0.04) in patients with preserved LVEF when global-ε was impaired. Multivariate analysis showed that global-ε is an independent predictor for early postoperative mortality [odds ratio = 1.10 (1.01-1.21)] after adjustment to EuroSCORE. CONCLUSION: GLS has an incremental value over LVEF for risk stratification in patients referred for cardiac surgery.
    European heart journal cardiovascular Imaging. 08/2012;
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    ABSTRACT: Aims In the setting of low-flow/low-gradient aortic stenosis (LF/LGAS), outcomes of pseudo-severe aortic stenosis (AS) remain poorly described. This study was aimed to assess the outcome of patients with pseudo-severe AS under conservative treatment. Methods and results Among 305 patients from the European Registry of LF/LGAS, the outcomes of the 107 patients followed under conservative treatment were analysed. Based on the results of dobutamine echocardiography, patients were divided into group IA [left ventricular (LV) contractile reserve present with true-severe AS, n = 43], group IB [pseudo-severe AS (n = 29) defined as LV contractile reserve with a final aortic valve area ≥1.2 cm(2) and a mean transaortic pressure gradient <40 mmHg at peak dobutamine infusion], or group II (exhausted LV contractile reserve, n = 35). The rate of death within 5 years was significantly lower in the group IB (43 ± 11%, n = 10), when compared with the group IA (91 ± 6%, n = 33; P = 0.001) and the group II (100%, n = 23; P < 0.001). The Cox proportional hazard model analysis demonstrated that the hazard ratio for death in the group IB remained significantly lower than in the other groups, even after adjustment for currently established risk factors. Furthermore, the 5-year survival of pseudo-severe AS patients was comparable with that of propensity-matched patients with systolic heart failure and no evidence of valve disease. Conclusion In patients with pseudo-severe AS, the 5-year survival under conservative treatment is better than in true-severe AS and comparable with that of propensity-matched patients with LV systolic dysfunction and no evidence of valve disease. Further studies are needed to define optimal therapeutic management in these patients.
    European Heart Journal 06/2012; 33(19):2426-33. · 14.10 Impact Factor
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    ABSTRACT: Normal values and the prognostic significance of right ventricle (RV)-2D strain in chronic heart failure (CHF) patients are unknown. Between 2005 and 2010, we prospectively enrolled 43 controls and 118 stable CHF patients. Standard echocardiographic variables, tricuspid annular plane systolic excursion, peak systolic velocity of tricuspid annular motion using tissue Doppler imaging, and RV and left ventricle (LV) 2D-strain were measured. The primary outcome was death or emergency transplantation or emergency ventricular assist device implantation or acute heart failure. RV-2D strain was measurable in 39 controls (58±17 years, 50% men), whose median value was 30% (95% confidence interval [95%CI], 39%; 20%); and in 104 CHF patients (80% men, mean age 57±11 years, and mean LV ejection fraction 29%±8%), whose median value was 19% (95%CI, 34%; 9%). During the mean follow-up of 37±14 months, 44 experienced the primary outcome. By Cox proportional hazards multivariate analysis, only RV-2D strain and log B-type natriuretic peptide independently predicted experiencing the primary outcome within the first year. The best RV-2D strain cut-off by receiver-operating characteristics analysis was 21%, and patients with values >21% were at greatest risk (χ(2)-log-rank test=14.1, P<0.0001). RV-2D strain is a strong independent predictor of severe adverse events in patients with CHF and may be superior to other systolic RV or LV echocardiographic variables.
    Circulation Journal 01/2012; 76(1):127-36. · 3.58 Impact Factor
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    Archives of cardiovascular diseases 04/2011; 104(4):252-4. · 0.66 Impact Factor
  • Archives of Cardiovascular Diseases Supplements 01/2011; 3(1):39-39.
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    ABSTRACT: To evaluate the use of intracardiac echocardiography probe through oesophageal route (ICE-TEE) for the monitoring of percutaneous foramen ovale (PFO) closure procedure. The study was conducted in 50 patients divided into two groups: in group I (n = 24), accuracy of ICE-TEE in assessing the inter-atrial septum (IAS) was compared with standard TEE, and in group II, we used ICE-TEE to monitor 26 consecutive patients referred for PFO closure. In group I, IAS was constantly visualized with a close correlation between ICE-TEE and standard TEE for IAS excursion (r = 0.9, P < 0.0001). In group II, ICE-TEE allowed to rule out four patients (three without PFO and one with septal atrial defect associated) and identified three complications during PFO closure procedure (pericardial effusion, inadequate device deployment, and cardiac thrombus). Finally, device implantation was successfully performed in the 22 patients with no residual shunt and thrombus observed after 3 months. ICE-TEE could be used to monitor PFO closure procedure.
    European Heart Journal – Cardiovascular Imaging 06/2010; 11(5):394-400. · 2.39 Impact Factor
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    ABSTRACT: Mitral and tricuspid are increasingly prevalent. Doppler echocardiography not only detects the presence of regurgitation but also permits to understand mechanisms of regurgitation, quantification of its severity and repercussions. The present document aims to provide standards for the assessment of mitral and tricuspid regurgitation.
    European Heart Journal – Cardiovascular Imaging 05/2010; 11(4):307-32. · 2.39 Impact Factor
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    ABSTRACT: Valvular regurgitation represents an important cause of cardiovascular morbidity and mortality. Echocardiography has become the primary non-invasive imaging method for the evaluation of valvular regurgitation. The echocardiographic assessment of valvular regurgitation should integrate quantification of the regurgitation, assessment of the valve anatomy, and function as well as the consequences of valvular disease on cardiac chambers. In clinical practice, the management of patients with valvular regurgitation thus largely integrates the results of echocardiography. It is crucial to provide standards that aim at establishing a baseline list of measurements to be performed when assessing regurgitation.
    European Heart Journal – Cardiovascular Imaging 04/2010; 11(3):223-44. · 2.39 Impact Factor
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    ABSTRACT: Longitudinal myocardial deformation indexes appear superior to left ventricular ejection fraction (LVEF) in assessing myocardial contractility. However, few studies have addressed the prognostic value of longitudinal motion markers (velocity, strain, and strain rate) in predicting outcome in heart failure patients. The study included 125 consecutive symptomatic heart failure patients (63+/-16 years, 77% male, LVEF=31+/-10%). All patients underwent a complete echocardiographic and clinical examination, and brain natriuretic peptide level was assessed in 93 patients. Longitudinal myocardial velocity by tissue Doppler imaging, global-epsilon, and strain rate by speckle tracking were computed from apical views (4-, 3-, and 2-chambers views) and compared with the occurrence of major adverse cardiac events. On the whole, peak longitudinal velocity, global-epsilon, and strain rate averaged 5+/-2 cm/s (range, 1 to 9), -8+/-3% (range, -3 to -18), and -0.33+/-0.16 s(-1) (range, -0.83 to -0.05), respectively. During the follow-up period (266+/-177 days), major adverse cardiac events occurred in 47 (38%) patients (15 deaths, 29 recurrent heart failure, and 4 heart transplantations). By univariable analysis using Cox model global-epsilon, strain rate, and LVEF were associated with the occurrence of major adverse cardiac events, whereas only global-epsilon remained independently predictive of outcome by multivariate analysis. In the heart failure population, longitudinal global strain by speckle tracking is superior to LVEF and other longitudinal markers in identifying patients with poor outcome.
    Circulation Cardiovascular Imaging 03/2010; 3(3):249-56. · 5.80 Impact Factor
  • Archives of Cardiovascular Diseases Supplements 01/2010; 2(1):53-53.
  • Jean-luc Monin
    La Revue du praticien 11/2009; 59(9):1283-4.
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    ABSTRACT: The management of patients with asymptomatic severe aortic stenosis remains controversial. We sought to develop a continuous risk score for predicting the midterm development of symptoms or adverse events in this setting. We prospectively followed 107 patients with asymptomatic aortic stenosis (aged 72 years [63 to 77]; 35 women; aortic-jet velocity, 4.1 m/s [3.5 to 4.4]) at a single center in France. Predefined end points for assessing outcome were the occurrence within 24 months of death or aortic valve replacement necessitated by symptoms or by a positive exercise test. Variables independently associated with outcome were used to build a score that was validated in an independent cohort of 107 patients from Belgium. Independent predictors of outcome were female sex, peak aortic-jet velocity, and B-type natriuretic peptide at baseline. Accordingly, the score could be calculated as follows: Score=[peak velocity (m/s) x 2]+(natural logarithm of B-type natriuretic peptide x 1.5)+1.5 (if female sex). Event-free survival after 20 months was 80% for patients within the first score quartile compared with only 7% for the fourth quartile. Areas under the receiver operating characteristic curve for the score were 0.90 and 0.89 in the development and validation cohorts, respectively. If further validation is achieved, this score may be useful to predict outcome in individual patients with asymptomatic aortic stenosis to select those who might benefit from early surgery.
    Circulation 07/2009; 120(1):69-75. · 15.20 Impact Factor

Publication Stats

915 Citations
201.25 Total Impact Points

Institutions

  • 2005–2014
    • Assistance Publique – Hôpitaux de Paris
      • Department of Cardiology
      Lutetia Parisorum, Île-de-France, France
  • 2013
    • Edogawa Hospital
      Edo, Tōkyō, Japan
  • 2012
    • Nippon Medical School
      Edo, Tōkyō, Japan
  • 2004–2012
    • Hôpital Henri Mondor (Hôpitaux Universitaires Henri Mondor)
      Créteil, Île-de-France, France
  • 2009
    • Unité Inserm U1077
      Caen, Lower Normandy, France