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Featured researches published by Jonathan Cottenet.


Circulation | 2013

Outcomes After Acute Myocardial Infarction in HIV-Infected Patients Analysis of Data From a French Nationwide Hospital Medical Information Database

Jonathan Cottenet; Guillaume Molins; Eric Benzenine; Marianne Zeller; Hervé Aube; Claude Touzery; Joelle Hamblin; Aurélie Gudjoncik; Yves Cottin; Catherine Quantin

Background— We aimed to assess in-hospital case fatality and 1-year prognosis in HIV-infected patients with acute myocardial infarction. Methods and Results— From the PMSI (Program de Medicalisation des Systemes d’informatique) database, data from 277 303 consecutive acute myocardial infarction patients hospitalized from January 1, 2005, to December 31, 2009, were analyzed. Surviving patients were followed up for 1 year after discharge. HIV-infected patients were compared with uninfected patients. Among the cohort, HIV-infected patients (n=608) accounted for 0.22%. All-cause hospital and 1-year mortality rates were lower in the HIV-infected group than in uninfected patients (3.1% versus 8.1% [ P <0.001] and 1.4% versus 5.5% [ P <0.001], respectively). From the database, we then analyzed a cohort derived from a matching procedure, with 1 HIV patient matched with 2 patients without HIV, based on age and sex (n=1824). Ischemic cardiomyopathy was more frequent in the HIV group (7.6% versus 4.2%, P =0.003). Hospitalization and 1-year mortality rates were similar in the 2 groups (3.1% versus 2.1% [ P =0.168] and 1.4% versus 1.7% [ P =0.642], respectively). However, at 12 months, hospitalizations for episodes of heart failure were significantly more frequent in HIV-infected than in uninfected patients (3.3% versus 1.4%, respectively; P =0.020). HIV infection, diabetes mellitus, history of ischemic cardiomyopathy, and undergoing percutaneous coronary intervention were associated in univariate analysis with occurrence of heart failure. By multivariable analysis, HIV infection (odds ratio 2.82, 95% confidence interval 1.32–6.01), diabetes mellitus, and undergoing percutaneous coronary intervention remained independent predictors of heart failure. Conclusions— The present study demonstrates that after acute myocardial infarction, HIV status influences long-term risk, although the short-term risk in HIV patients is comparable to that in uninfected patients. # Clinical Perspective {#article-title-41}Background— We aimed to assess in-hospital case fatality and 1-year prognosis in HIV-infected patients with acute myocardial infarction. Methods and Results— From the PMSI (Program de Medicalisation des Systèmes d’informatique) database, data from 277 303 consecutive acute myocardial infarction patients hospitalized from January 1, 2005, to December 31, 2009, were analyzed. Surviving patients were followed up for 1 year after discharge. HIV-infected patients were compared with uninfected patients. Among the cohort, HIV-infected patients (n=608) accounted for 0.22%. All-cause hospital and 1-year mortality rates were lower in the HIV-infected group than in uninfected patients (3.1% versus 8.1% [P<0.001] and 1.4% versus 5.5% [P<0.001], respectively). From the database, we then analyzed a cohort derived from a matching procedure, with 1 HIV patient matched with 2 patients without HIV, based on age and sex (n=1824). Ischemic cardiomyopathy was more frequent in the HIV group (7.6% versus 4.2%, P=0.003). Hospitalization and 1-year mortality rates were similar in the 2 groups (3.1% versus 2.1% [P=0.168] and 1.4% versus 1.7% [P=0.642], respectively). However, at 12 months, hospitalizations for episodes of heart failure were significantly more frequent in HIV-infected than in uninfected patients (3.3% versus 1.4%, respectively; P=0.020). HIV infection, diabetes mellitus, history of ischemic cardiomyopathy, and undergoing percutaneous coronary intervention were associated in univariate analysis with occurrence of heart failure. By multivariable analysis, HIV infection (odds ratio 2.82, 95% confidence interval 1.32–6.01), diabetes mellitus, and undergoing percutaneous coronary intervention remained independent predictors of heart failure. Conclusions— The present study demonstrates that after acute myocardial infarction, HIV status influences long-term risk, although the short-term risk in HIV patients is comparable to that in uninfected patients.


European Respiratory Journal | 2015

Haemoptysis in adults: a 5-year study using the French nationwide hospital administrative database

Caroline Abdulmalak; Jonathan Cottenet; Marjolaine Georges; Philippe Camus; Philippe Bonniaud; Catherine Quantin

Haemoptysis is a serious symptom with various aetiologies. Our aim was to define the aetiologies, outcomes and associations with lung cancer in the entire population of a high-income country. This retrospective multicentre study was based on the French nationwide hospital medical information database collected over 5 years (2008–2012). We analysed haemoptysis incidence, aetiologies, geographical and seasonal distribution and mortality. We studied recurrence, association with lung cancer and mortality in a 3-year follow-up analysis. Each year, ∼15 000 adult patients (mean age 62 years, male/female ratio 2/1) were admitted for haemoptysis or had haemoptysis as a complication of their hospital stay, representing 0.2% of all hospitalised patients. Haemoptysis was cryptogenic in 50% of cases. The main aetiologies were respiratory infections (22%), lung cancer (17.4%), bronchiectasis (6.8%), pulmonary oedema (4.2%), anticoagulants (3.5%), tuberculosis (2.7%), pulmonary embolism (2.6%) and aspergillosis (1.1%). Among incident cases, the 3-year recurrence rate was 16.3%. Of the initial cryptogenic haemoptysis patients, 4% were diagnosed with lung cancer within 3 years. Mortality rates during the first stay and at 1 and 3 years were 9.2%, 21.6% and 27%, respectively. This is the first epidemiological study analysing haemoptysis and its outcomes in an entire population. Haemoptysis is a life-threatening symptom unveiling potentially life-threatening underlying conditions. Haemoptysis is ominous: there is often no clear aetiology and 4% of patients develop lung cancer during follow-up http://ow.ly/KqJDG


European Respiratory Journal | 2016

In-hospital mortality following lung cancer resection: nationwide administrative database

Pierre-Benoit Pagès; Jonathan Cottenet; Anne-Sophie Mariet; Alain Bernard; Catherine Quantin

Our aim was to determine the effect of a national strategy for quality improvement in cancer management (the “Plan Cancer”) according to time period and to assess the influence of type and volume of hospital activity on in-hospital mortality (IHM) within a large national cohort of patients operated on for lung cancer. From January 2005 to December 2013, 76 235 patients were included in the French Administrative Database. Patient characteristics, hospital volume of activity and hospital type were analysed over three periods: 2005–2007, 2008–2010 and 2011–2013. Global crude IHM was 3.9%: 4.3% during 2005–2007, 4% during 2008–2010 and 3.5% during 2011–2013 (p<0.01). 296, 259 and 209 centres performed pulmonary resections in 2005–2007, 2008–2010 and 2011–2013, respectively (p<0.01). The risk of death was higher in centres performing <13 resections per year than in centres performing >43 resections per year (adjusted (a)OR 1.48, 95% CI 1.197–1.834). The risk of death was lower in the period 2011–2013 than in the period 2008–2010 (aOR 0.841, 95% CI 0.764–0.926). Adjustment variables (age, sex, Charlson score and type of resection) were significantly linked to IHM, whereas the type of hospital was not. The French national strategy for quality improvement seems to have induced a significant decrease in IHM. In France, in-hospital mortality following lung cancer surgery is significantly linked to hospital volume http://ow.ly/YgbAy


BioMed Research International | 2016

Epidemiology of Endometriosis in France: A Large, Nation-Wide Study Based on Hospital Discharge Data

Peter von Theobald; Jonathan Cottenet; Silvia Iacobelli; Catherine Quantin

We aimed to assess the prevalence of hospitalization for endometriosis in the general population in France and in each French region and to describe temporal trends, rehospitalization rates, and prevalence of the different types of endometriosis. The analyses were carried out on French hospital discharge data and covered the period 2008–2012 and a population of 14,239,197 women of childbearing age. In this population, the prevalence of hospitalization for endometriosis was 0.9%, ranging from 0.4% to 1.6% between regions. Endometriosis affected 1.5% of hospitalized women of childbearing age, ranging from 1.0% to 2.4% between regions. The number of patients hospitalized for endometriosis significantly increased over the study period (p < 0.01). Of these, 4.2% were rehospitalized at least once at one year: ranging from 2.7% to 6.3% between regions. The cumulative rehospitalization rate at 3 years was 6.9%. The types of endometriosis according to the procedures performed were as follows: ovarian (40–50%), peritoneal (20–30%), intestinal (10–20%), and ureteral or bladder (<10%), with significant differences between regions. This is the first detailed epidemiological study of endometriosis in France. Further studies are needed to assess the reasons for the increasing prevalence of endometriosis and for the significant differences in regional prevalence of this disease.


Journal of Health Services Research & Policy | 2015

Comparison of rehospitalization rates in France and the United States

Michael K. Gusmano; Victor Rodwin; Daniel Weisz; Jonathan Cottenet; Catherine Quantin

Objective To compare rates of 30-day all-cause rehospitalization in France and the US among patients aged 65 years and older and explain any difference between the countries. Methods To calculate rehospitalization rates in France, we use an individual identifying variable in the national hospital administrative dataset to track unique individuals aged 65 years or more hospitalized in France in 2010. To calculate the proportion of rehospitalized patients (65+) who received outpatient visits between the time of initial discharge and rehospitalization, we linked the hospital database with a database that includes all medical and surgical admissions. We used step by step regression models to predict rehospitalization. Results Rates of rehospitalization in France (14.7%) are lower than among Medicare beneficiaries in the US (20%). We find that age, sex, patient morbidity and the ownership status of the hospital are all correlated with rehospitalization in France. Conclusions Lower rates of rehospitalization in France appear to be due to a combination of better access to primary care, better health among the older French population, longer lengths of stay in French hospitals and the fact that French nursing homes do not face the same financial incentive to rehospitalize residents.


Obstetrics & Gynecology | 2017

Intrauterine Balloon Tamponade for Severe Postpartum Hemorrhage

Mathilde Revert; Patrick Rozenberg; Jonathan Cottenet; Catherine Quantin

OBJECTIVE To compare the rates of invasive procedures (surgical or vascular) for hemorrhage control between a perinatal network that routinely used intrauterine balloon tamponade and another perinatal network that did not in postpartum hemorrhage management. METHODS This population-based retrospective cohort study included all women (72,529) delivering between 2011 and 2012 in the 19 maternity units in two French perinatal networks: a pilot (in which balloon tamponade was used) and a control network. Outcomes were assessed based on discharge abstract data from the national French medical information system. General and obstetric characteristics were included in two separate multivariate logistic models according to the mode of delivery (vaginal and cesarean) to estimate the independent association of the network with invasive procedures. RESULTS Invasive procedures (pelvic vessel ligation, arterial embolization, hysterectomy) were used in 298 women and in 4.1 per 1,000 deliveries (95% CI 3.7-4.6). The proportion of women with at least one invasive procedure was significantly lower in the pilot network (3.0/1,000 vs 5.1/1,000, P<.01). Among women who delivered vaginally, the use of arterial embolization was also significantly lower in the pilot than the control network (0.2/1,000 vs 3.7/1,000, P<.01) as it was for those who delivered by cesarean (1.3/1,000 vs 5.7/1,000, P<.01). After controlling for potential confounding factors, the risk of an invasive procedure among women who delivered vaginally remained significantly lower in the pilot network (adjusted odds ratio [OR] 0.14, 95% CI 0.08-0.27), but not for women who delivered by cesarean (adjusted OR 1.19, 95% CI 0.87-1.61). CONCLUSION The use of intrauterine balloon tamponade in routine clinical practice was associated with a significantly lower use of invasive procedures for hemorrhage control among women undergoing vaginal delivery.


European Respiratory Journal | 2016

Haemoptysis: a frequent diagnostic challenge

Philippe Bonniaud; Marjolaine Georges; Caroline Abdulmalak; Jonathan Cottenet; Philippe Camus; Catherine Quantin

We read with interest the article by Abdulmalak et al. [1] recently published in the European Respiratory Journal. The authors reported the results of an observational, retrospective, 5-year, nationwide, multicentre study based on the medical information collected from a French database. The epidemiology of haemoptysis was evaluated through the hospital discharge diagnosis codes, focusing on incidence, aetiology, seasonal distribution, relapses and mortality in a 3-year follow-up analysis. The authors made a great effort to provide findings on the largest national cohort of hospitalised patients with haemoptysis (∼15 000 per year) and update the current epidemiological understanding of this frequent symptom in high-income countries. However, some of the results described in the manuscript deserve a more detailed analysis and careful interpretation. Haemoptysis is a frequent symptom, and the definition of aetiologies and a diagnostic pathway are often challenging http://ow.ly/U0f2XHaemoptysis is a frequent symptom, and the definition of aetiologies and a diagnostic pathway are often challenginghttp://ow.ly/U0f2X


Journal of Stroke & Cerebrovascular Diseases | 2014

The impact of World and European Football Cups on stroke in the population of Dijon, France: a longitudinal study from 1986 to 2006.

Corine Aboa-Eboulé; Yannick Béjot; Jonathan Cottenet; Mehni Khellaf; Agnès Jacquin; Jérôme Durier; Olivier Rouaud; Marie Hervieu-Bègue; Guy-Victor Osseby; Maurice Giroud; Catherine Quantin

BACKGROUND Acute stress may trigger vascular events. We aimed to investigate whether important football competitions involving the French football team increased the occurrence of stroke. METHODS We retrospectively retrieved data of fatal and nonfatal stroke during 4 World Football Cups (1986, 1998, 2002, and 2006) and 4 European Championships (1992, 1996, 2000, and 2004), based on data from the population-based Stroke Registry of Dijon, France. One period of exposure was analyzed: the period of competition extended to 15 days before and after the competitions. The number of strokes was compared between exposed and unexposed corresponding periods of preceding and following years using Poisson regression. RESULTS A total of 175 strokes were observed during the exposed periods compared with 192 and 217 strokes in the unexposed preceding and following periods. Multivariate regression analyses showed an overall 30% significant decrease in stroke numbers between periods of competition and unexposed periods of following year (risk ratio (RR) = 1.3; 95% confidence interval [CI] = 1.0-1.6; P = .029) but not with that of preceding year (RR = 1.1; 95% CI = .9-1.3; P = .367). This was mostly explained by a 40% decrease in stroke numbers during European Championships, compared with the unexposed following periods (RR = 1.4; 95% CI = 1.0-1.9; P = .044) in stratified analyses by football competitions. CONCLUSIONS Watching European football competitions had a positive impact in the city of Dijon with a decrease of stroke numbers. European championship is possibly associated with higher television audience and long-lasting euphoria although other factors may be involved. Further studies using nationwide data are recommended to validate these findings.


Journal of Thoracic Disease | 2018

Is an activity volume threshold really realistic for lung cancer resection

Alain Bernard; Jonathan Cottenet; Anne-Sophie Mariet; Catherine Quantin; Pierre-Benoit Pagès

Background We analyzed volume as a continuous variable to estimate threshold, which is a methodology rarely seen in the literature. The objective of this work was to assess hospital volume for lung cancer (LC) surgery and to establish the associated threshold for acceptable in-hospital mortality (IHM). Data was obtained from the French national medico-administrative database. Methods From January 2005 to December 2016, data from 108,571 patients operated for LC in France were collected from the national administrative database. To estimate the volume threshold, hierarchical logistic regression models were developed. Results The crude IHM rate was 5.2% in low volume centers and 3.5% in high volume centers (P<0.0001). Centers performing more than 70 LC surgeries per year reduced the risk of postoperative death by 35% [adjusted odds ratio (OR): 0.65; 95% confidence interval (CI): 0.5-0.84]. Among the 4 models, the use of fractional polynomial of the volume had the lowest Akaikes information criterion (AIC) index. The threshold volume was reached once a hospitals annual volume reached 70 patients (95% CI, 40-85). In our analyses, the proportion of patients who were admitted in hospitals with an annual volume that was less than identified threshold were 34% of patients operated for LC. A hospital with an annual volume of 10 patients for lung resection, increasing the annual volume by 60 procedures would be associated with a 31% reduction in the odds of death within 30 days. Conclusions From the medico-administrative database, we have been able to estimate a minimum volume threshold that may be useful to help regionalize thoracic surgery centers.


Journal of Thoracic Disease | 2018

Does age over 80 years have to be a contraindication for lung cancer surgery—a nationwide database study

Pierre-Benoit Pagès; Anne-Sophie Mariet; Arnaud Pforr; Jonathan Cottenet; Leslie Madelaine; Halim Abou-Hanna; Alain Bernard; Catherine Quantin

Background Nowadays surgery remains the best treatment for localized lung cancer (LC). However, patients over 80 years old are often denied surgery because of the postoperative risk of death. This study aimed to estimate in-hospital mortality (IHM) and determine whether age over 80 is the most important predictor of IHM after LC surgery. Methods From January 2005 to December 2015, 97,440 patients, including 4,438 patients over 80 years old, were operated on for LC and recorded in the French Administrative Database. Characteristics of patients, hospitals and surgery were analysed. Results Crude IHM was 3.73% (n=3,639) and 7.77% (n=345) for the over 80s vs. 3.54% (n=3,294) for younger patients (P<0.0001). In multivariate analysis, predictive factors for IHM with the odds ratios (OR) were: 2.60 for age ≥80 (95% CI: 2.30-2.94; P=0.0001), 5.85 for a previous liver disease (95% CI: 4.79-7.16; P=0.0001) and 5 for previous lung disease (95% CI: 4.25-5.9; P=0.0001). IHM was also linked to hospital volume with an OR of 0.75 (95% CI: 0.69-0.81; P=0.0001) and a linear decrease for predicted IHM according to hospital volume for the over 80s. Adjusted ORs were 1.15 (95% CI: 0.96-1.4; P=0.0116) for lobectomy, 2.18 for bilobectomy (95% CI: 1.7-2.8; P=0.0001) and 3.83 (95% CI: 3.2-4.6; P=0.0001) for pneumonectomy. Conclusions Concerning IHM, age ≥80 had a lower weight than did a previous pulmonary or liver disease and the type of pulmonary resection. Patients over 80s with localized LC and no significant comorbidities should be referred for surgery if lobectomy or sublobar resection could be performed.

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Yves Cottin

University of Burgundy

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Paul Sagot

University of Burgundy

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