1
|
Melka J, Helbert A, Lesage L, Moreau K, Romariz K, Berson P, Isabelle M, Delerive P, Tyl B. Ventricular arrhythmia susceptibility in a new porcine model of heart failure (HF) with reduced ejection fraction. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.3312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Sudden death secondary to ventricular arrhythmias is common in HF patients, with no effective treatment available outside of implantable cardiac defibrillators. While animal models are essential for the discovery of anti-arrhythmic drugs, no reliable large animal HF models with associated ventricular arrhythmias have been described so far.
Objectives
We aimed at evaluating ventricular remodeling and arrhythmia susceptibility in an HF pig model with reduced ejection fraction (EF) following myocardial infarction (MI).
Methods
MI was induced in 53 male Göttingen minipigs (12–15 months, 20–25 kg) by coronary embolization in mid-left anterior descending and mid-left circumflex coronary arteries using endovascular coils. Seven other pigs underwent sham operation and were used as control. Two weeks after surgery, cardiac function was assessed by echocardiography, and animals were included based on EF<50% (n=15/53), assigned either to 12 weeks of vehicle (n=9) or perindopril (n=6, 1 mg/kg/d, per os) group. At the end of the study, their left ventricular (LV) electrical remodeling was studied by echocardiography/electrocardiography and a programmed-electrical stimulation protocol was performed to evaluate the susceptibility to develop ventricular arrhythmias.
Results
At the end of the study, animals in the vehicle group had a significant LV remodeling associated with a reduced EF (p<0.05 vs. sham, see table). This remodeling was associated with cardio-pulmonary congestion, significant increases in LV end-diastolic pressure, left atrial volume, and lung mass (all p<0.05 vs. sham, see table), fully prevented by perindopril treatment. They had also an electrical remodeling as evidenced by an increase in PR, QRS, and QTc intervals, as well as LV effective refractory period (+18%, 14%, 33%, and 13%, respectively, p<0.05, compared to sham animals). Electrical changes were mitigated by perindopril treatment (p=NS vs. sham). LV mechanical dispersion measured with speckle-tracking echocardiography was significantly increased in vehicle group (58±5 vs. 22±1 ms in sham group, respectively) as well as in perindopril group. Programmed-electrical stimulations induced in 6/8 vehicle animals either non-sustained (n=3) or sustained (n=2) ventricular tachycardia, or ventricular fibrillation (n=1). In sham group only 1/7 animal had a ventricular fibrillation. No inducible ventricular arrhythmia was observed in animals treated with Perindopril.
Conclusion
In this new pig model of congestive HF with reduced EF, LV remodeling was associated with electrical remodeling and susceptibility to develop arrhythmias. Chronic angiotensin-converting enzyme inhibitor treatment prevented congestion, mitigated electrical remodeling, and suppressed arrhythmia susceptibility.
Funding Acknowledgement
Type of funding sources: Private company. Main funding source(s): Servier Research Institute - CardioVascular & Metabolic Diseases Center for Therapeutic Innovation Table 1
Collapse
Affiliation(s)
- J Melka
- Servier Research Institute, CardioVascular & Metabolic Research Department, Suresnes, France
| | - A Helbert
- Servier Research Institute, CardioVascular & Metabolic Research Department, Suresnes, France
| | - L Lesage
- Servier Research Institute, CardioVascular & Metabolic Research Department, Suresnes, France
| | - K Moreau
- Servier Research Institute, CardioVascular & Metabolic Research Department, Suresnes, France
| | - K Romariz
- Servier Research Institute, CardioVascular & Metabolic Research Department, Suresnes, France
| | - P Berson
- Servier Research Institute, CardioVascular & Metabolic Research Department, Suresnes, France
| | - M Isabelle
- Servier Research Institute, CardioVascular & Metabolic Research Department, Suresnes, France
| | - P Delerive
- Servier Research Institute, CardioVascular & Metabolic Research Department, Suresnes, France
| | - B Tyl
- Servier Research Institute, CardioVascular & Metabolic Translationnal Department, Suresnes, France
| |
Collapse
|
2
|
Moreau K, Monsaingeon-Henry M, Pupier E, Jambon F, Merville P, Couzi L, Kaminski H, Gatta-Cherifi B. Chirurgie bariatrique après transplantation rénale : risque accru de survenue d’insuffisance rénale fonctionnelle. Nephrol Ther 2021. [DOI: 10.1016/j.nephro.2021.07.120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
3
|
Camus L, Bastien S, Briaud P, Doléans-Jordheim A, Vandenesch F, Moreau K. P129 Pseudomonas aeruginosa evolution in cystic fibrosis patients promotes coexistence interaction with Staphylococcus aureus. J Cyst Fibros 2020. [DOI: 10.1016/s1569-1993(20)30464-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
4
|
Camus L, Briaud P, Bastien S, Doléans-Jordheim A, Elsen S, Vandenesch F, Moreau K. P128 Trophic cooperation promotes Pseudomonas aeruginosa and Staphylococcus aureus survival in cystic fibrosis patients. J Cyst Fibros 2020. [DOI: 10.1016/s1569-1993(20)30463-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
5
|
Rami Arab L, Bordenave C, Karmani M, Colombies B, Delmas M, De-La-Faille R, De Precigout V, Dabernat S, Moreau K, Bats ML. La technique de dosage utilisée pour l’albumine plasmatique impacte la définition de la dénutrition biologique en hémodialyse. NUTR CLIN METAB 2020. [DOI: 10.1016/j.nupar.2020.02.222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
6
|
Pierre M, Kanagaratnam L, Moreau K, Sigogne M, Petrache A, Braconnier A, Petitpierre F, Lessore C, Lobbedez T, Toure F. Comparaison de la survie technique de la dialyse péritonéale après réduction néphronique par néphrectomie en comparaison à l’embolisation artérielle rénale chez les patients polykystiques. Nephrol Ther 2019. [DOI: 10.1016/j.nephro.2019.07.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
7
|
Chauveau P, Lasseur C, Nodimar C, Moreau K, Trolonge S, Aparicio M, Combe C. [Low protein diet supplemented with ketoanalogues of amino acids in patients with chronic renal insufficiency]. Nephrol Ther 2018; 14 Suppl 1:S99-S102. [PMID: 29606271 DOI: 10.1016/j.nephro.2018.02.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 02/09/2018] [Indexed: 11/16/2022]
Abstract
Restricted protein diets in patients with chronic kidney disease have been debated for several decades. In chronic kidney disease as in other chronic diseases, the modulation of the nutritional intake is the object of a certain renewal. It is supported by recent studies that highlight the importance of modulating nutrient intake by diets that are healthier, less rich in animal proteins and richer in plants. The recent reintroduction in France of amino acid supplements and ketoanalogs of amino acids allows the prescription of a very restricted diet. Historical studies have only focused on the relationship between protein intake and renal function degradation. Recent studies on acid loading, bone metabolism or potassium intake allow revisiting the interest of restricted diets. As with any change in eating habits, the selection of patients, information, education and monitoring during the diet are very important and help prevent undernutrition: this is the purpose of this short review.
Collapse
Affiliation(s)
- P Chauveau
- Service de néphrologie transplantation dialyse, hôpital Pellegrin, centre hospitalier universitaire de Bordeaux, place Amélie-Raba-Léon, 33000 Bordeaux, France; Aurad-Aquitaine, 2, allée des Demoiselles, 33170 Gradignan, France.
| | - C Lasseur
- Service de néphrologie transplantation dialyse, hôpital Pellegrin, centre hospitalier universitaire de Bordeaux, place Amélie-Raba-Léon, 33000 Bordeaux, France; Aurad-Aquitaine, 2, allée des Demoiselles, 33170 Gradignan, France
| | - C Nodimar
- Service de néphrologie transplantation dialyse, hôpital Pellegrin, centre hospitalier universitaire de Bordeaux, place Amélie-Raba-Léon, 33000 Bordeaux, France; Aurad-Aquitaine, 2, allée des Demoiselles, 33170 Gradignan, France
| | - K Moreau
- Service de néphrologie transplantation dialyse, hôpital Pellegrin, centre hospitalier universitaire de Bordeaux, place Amélie-Raba-Léon, 33000 Bordeaux, France
| | - S Trolonge
- Aurad-Aquitaine, 2, allée des Demoiselles, 33170 Gradignan, France
| | - M Aparicio
- Service de néphrologie transplantation dialyse, hôpital Pellegrin, centre hospitalier universitaire de Bordeaux, place Amélie-Raba-Léon, 33000 Bordeaux, France
| | - C Combe
- Service de néphrologie transplantation dialyse, hôpital Pellegrin, centre hospitalier universitaire de Bordeaux, place Amélie-Raba-Léon, 33000 Bordeaux, France; Inserm U1026, place Amélie-Raba-Léon, 33000 Bordeaux, France; Université de Bordeaux, place Amélie-Raba-Léon, 33000 Bordeaux, France
| |
Collapse
|
8
|
Moreau K, Dupin E, Trolonge S, Chauveau P, Cardinault N. Collation à base de pollen frais pour les patients hémodialysés : une alternative nutritionnelle ? NUTR CLIN METAB 2016. [DOI: 10.1016/j.nupar.2016.09.051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
9
|
Queruel V, Kabore R, Guillaume A, Moreau K, Leffondre K, Couzi L, Quinart A, Rogier J, Tauzin-fin P, Merville P, Robert G, Pasticier G, Bensadoun H, Ferrière J, Bernhard J. Quelle valeur accorder à l’IMC dans l’évaluation de la morbidité périopératoire de la transplantation rénale ? Prog Urol 2015; 25:764-5. [DOI: 10.1016/j.purol.2015.08.101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
|
10
|
Lawrence S, King WJ, Audcent T, Stodel EJ, Moreau K, Wood TJ, Hamstra S, Jabbour M. 108: iLEARN-Peds: Using Case-Based elearning to Optimize Pediatric Resident Education and Support Program Expansion. Paediatr Child Health 2015. [DOI: 10.1093/pch/20.5.e73] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
11
|
Moreau K, Desseix A, Merville P, Couzi L, Germain C, Thiebaut R, Chauveau P. P268: Évolution de la masse cellulaire active avant et après greffe rénale : impact de l’activité physique. NUTR CLIN METAB 2014. [DOI: 10.1016/s0985-0562(14)70910-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
12
|
Wang D, Aubertin C, Barrowman N, Moreau K, Dunn S, Harrold J. Reduction of noise in the neonatal intensive care unit using sound-activated noise meters. Arch Dis Child Fetal Neonatal Ed 2014; 99:F515-6. [PMID: 25154983 DOI: 10.1136/archdischild-2014-306490] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVES To determine if sound-activated noise meters providing direct audit and visual feedback can reduce sound levels in a level 3 neonatal intensive care unit (NICU). DESIGN/METHODS Sound levels (in dB) were compared between a 2-month period with noise meters present but without visual signal fluctuation and a subsequent 2 months with the noise meters providing direct audit and visual feedback. RESULTS There was a significant increase in the percentage of time the sound level in the NICU was below 50 dB across all patient care areas (9.9%, 8.9% and 7.3%). This improvement was not observed in the desk area where there are no admitted patients. There was no change in the percentage of time the NICU was below 45 or 55 dB. CONCLUSIONS Sound-activated noise meters seem effective in reducing sound levels in patient care areas. Conversations may have moved to non-patient care areas preventing a similar change there.
Collapse
Affiliation(s)
- D Wang
- Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - C Aubertin
- Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - N Barrowman
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
| | - K Moreau
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
| | - S Dunn
- Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada University of Ottawa, Ottawa, Ontario, Canada
| | - J Harrold
- Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada University of Ottawa, Ottawa, Ontario, Canada
| |
Collapse
|
13
|
Taton B, Moreau K, Leffondre K, Combe C, Merville P, Couzi L. Valeur pronostique à 5ans du DFGe et de sa pente à l’issue de la première année après transplantation rénale. Nephrol Ther 2014. [DOI: 10.1016/j.nephro.2014.07.294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
14
|
Pound C, Moreau K, Rohde K, Farion K, Barrowman N, Aglipay M, Plint AC. 172: The Impact of a Breastfeeding Support Intervention on Breastfeeding Duration in Jaundiced Infants Admitted to a Tertiary Care Centre Hospital: A Randomized Controlled Trial. Paediatr Child Health 2014. [DOI: 10.1093/pch/19.6.e35-168] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
|
15
|
Moore G, Myron H, Moreau K. 158: Dual Site Neonatal Intensive Care Unit Weekend On-Call Coverage – Does the Presence of a Second Attending Neonatologist on Weekends Alter Perceptions of Clinical Uncertainty, Patient Care and Education? Paediatr Child Health 2014. [DOI: 10.1093/pch/19.6.e35-155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
16
|
Pound C, Lindsay E, Plint AC, Moreau K. 140: A Study of the Impact of Continuing Professional Development (CPD) Activities on Physicians' Knowledge, Motivation and Ability to Address Challenges with Exclusive Breastfeeding Practices. Paediatr Child Health 2014. [DOI: 10.1093/pch/19.6.e35-137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
|
17
|
Wang D, Aubertin C, Barrowman N, Moreau K, Dunn S, Harrold J. 77: Reduction of Noise in the Neonatal Intensive Care Unit Using Sound-Activated Noise Alarms. Paediatr Child Health 2014. [DOI: 10.1093/pch/19.6.e35-75] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
|
18
|
Wang D, Aubertin C, Barrowman N, Moreau K, Dunn S, Harrold J. Examining the effects of a targeted noise reduction program in a neonatal intensive care unit. Arch Dis Child Fetal Neonatal Ed 2014; 99:F203-8. [PMID: 24356177 DOI: 10.1136/archdischild-2013-304928] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
OBJECTIVES To determine whether implementation of a noise reduction policy followed by the addition of direct audit and feedback reduces noise levels in a tertiary-level neonatal intensive care unit (NICU). STUDY DESIGN Noise level data was collected in three phases: (1) baseline (preintervention), (2) immediately postimplementation of our noise reduction policy, (3) postunveiling of direct audit and feedback mechanism. SETTING A level 3 NICU in Ontario, Canada. INTERVENTIONS Noise reduction policy and a direct audit and feedback mechanism. MAIN OUTCOME MEASURES Average noise level. RESULTS The baseline level of noise in our unit consistently exceeds guidelines with an average baseline noise of 49 dB (±1.4). Our intervention resulted in a significant reduction in noise levels for one of the four areas in our NICU [-1.06 dB (-1.52, -0.6)], with a trend towards reduction in a second area (-0.21 dB (-0.6, 0.18)). Unexpectedly, two other areas experienced a significant increase in noise (2.05 dB (1.18, 2.94); 0.85 dB (0.11, 1.59)). CONCLUSIONS The baseline noise in the NICU consistently exceeds guidelines, but reductions in noise levels are achievable. Nonetheless, more work is needed to find the optimal NICU design and noise reduction strategy.
Collapse
Affiliation(s)
- D Wang
- Children's Hospital of Eastern Ontario, , Ottawa, Ontario, Canada
| | | | | | | | | | | |
Collapse
|
19
|
Attik GN, Villat C, Hallay F, Pradelle-Plasse N, Bonnet H, Moreau K, Colon P, Grosgogeat B. In vitro biocompatibility of a dentine substitute cement on human MG63 osteoblasts cells: Biodentine™ versus MTA(®). Int Endod J 2014; 47:1133-41. [PMID: 24517569 DOI: 10.1111/iej.12261] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Accepted: 02/04/2014] [Indexed: 11/29/2022]
Abstract
AIM To compare the in vitro biocompatibility of Biodentine™ and White ProRoot(®) mineral trioxide aggregate (MTA(®) ) with MG63 osteoblast-like cells and to characterize the cement surface. METHODOLOGY A direct contact model for MG63 osteoblast-like cells with cements was used for 1, 3 and 5 days. Four end-points were investigated: (i) cement surface characterization by atomic force microscopy (AFM), (ii) cell viability by MTT assay, (iii) protein amount quantification by Bradford assay and (iv) cell morphology by SEM. Statistical analyses were performed by analysis of variance (anova) with a repetition test method. RESULTS The roughness of the cements was comparable as revealed by AFM analysis. The MTT test for Biodentine™ was similar to that of MTA(®) . Biodentine™ and MTA(®) induced a similar but slight decrease in metabolic activity. The amount of total protein was significantly enhanced at day three (P < 0.05) but slightly decreased at day five for both tested samples. Biodentine™ was tolerated as well as MTA(®) in all cytotoxicity assays. SEM observations showed improvement of cell attachment and proliferation on both material surfaces following the three incubation periods. CONCLUSION The biocompatibility of Biodentine™ to bone cells was comparable to MTA(®) .
Collapse
Affiliation(s)
- G N Attik
- Laboratoire des Multimatériaux et Interfaces, UMR CNRS 5615, Université Lyon1, Villeurbanne, France
| | | | | | | | | | | | | | | |
Collapse
|
20
|
Moreau K, Geneviève M, Sartorius A, Giral M, Janbon B, Kreis H, Legendre C, Merville P, Combe C. O20 Impact de l’anorexie mentale sur les résultats à 5 ans en transplantation rénale. NUTR CLIN METAB 2013. [DOI: 10.1016/s0985-0562(13)70292-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|
21
|
Taton B, Moreau K, Lepreux S, Bachelet T, Trimoulet P, De Ledinghen V, Pommereau A, Ronco P, Kamar N, Merville P, Couzi L. Hepatitis E virus infection as a new probable cause of de novo membranous nephropathy after kidney transplantation. Transpl Infect Dis 2013; 15:E211-5. [PMID: 24103101 DOI: 10.1111/tid.12143] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2013] [Revised: 06/23/2013] [Accepted: 06/27/2013] [Indexed: 12/21/2022]
Abstract
Hepatitis E virus (HEV) has been identified as a cause of chronic viral hepatitis in immunocompromised patients. Some glomerular diseases were found to be associated with this infection. We report the first case, to our knowledge, of a kidney transplant recipient who developed an HEV infection and de novo membranous nephropathy (MN) concomitantly. The patient displayed a hepatic cytolysis first and a nephrotic syndrome occurred 3 months later. HEV infection was diagnosed upon positive polymerase chain reaction on plasma and stool samples, and renal allograft biopsy revealed de novo MN. Typical causes of MN were definitively excluded. A 3-month course of ribavirin monotherapy allowed the patient to mount a sustained viral response that was rapidly followed by complete remission of the nephrotic syndrome. The chronology of the onset and remission of both diseases is highly suggestive of a causal relationship between hepatitis E and MN.
Collapse
Affiliation(s)
- B Taton
- Nephrology-Transplantation, CHU de Bordeaux, Bordeaux, France
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
22
|
Saunier A, Lazaro E, Moreau K, Couzi L, Bachelet T, Morel D, Merville P, Lortholary O. Dix-huit mois plus tard, 14 kilos en moins une diagnostique de cryptococcose neuroméningée persistante chez un greffé renal. Rev Med Interne 2012. [DOI: 10.1016/j.revmed.2012.10.204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
23
|
Couzi L, Helou S, Bachelet T, Martin S, Moreau K, Morel D, Lafon M, Garrigue I, Merville P. Preemptive Therapy Versus Valgancyclovir Prophylaxis in Cytomegalovirus-positive Kidney Transplant Recipients Receiving Antithymocyte Globulin Induction. Transplant Proc 2012; 44:2809-13. [DOI: 10.1016/j.transproceed.2012.09.029] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
24
|
Hennebelle D, Avale A, Guillou F, Moreau K, Quentin V. Prise en charge rééducative dans le cadre d’une hospitalisation à domicile de rééducation organisée sous forme de groupement de coopération sanitaire. Ann Phys Rehabil Med 2012. [DOI: 10.1016/j.rehab.2012.07.736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
25
|
Nodimar C, Moreau K, Araujo C, Cazin MC, Combe C, Chauveau P. Statut nutritionnel et composition corporelle des patients en dialyse péritonéale : intérêt de la bio-impédancemètrie (BCM®) dans le suivi longitudinal. Nephrol Ther 2012. [DOI: 10.1016/j.nephro.2012.07.276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
26
|
Moreau K, Desseix A, Bachelet T, Merville P, Couzi L, Savel H, Thiebaut R, Chauveau P. L’évolution de la composition corporelle à court et long terme après transplantation rénale est influencée par les caractéristiques nutritionnelles pré greffe : résultats de l’étude CORPOS. Nephrol Ther 2012. [DOI: 10.1016/j.nephro.2012.07.341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
27
|
Couzi L, Helou S, Bachelet T, Moreau K, Martin S, Morel D, Lafon ME, Boyer B, Alain S, Garrigue I, Merville P. High incidence of anticytomegalovirus drug resistance among D+R- kidney transplant recipients receiving preemptive therapy. Am J Transplant 2012; 12:202-9. [PMID: 21967659 DOI: 10.1111/j.1600-6143.2011.03766.x] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Anti-cytomegalovirus (CMV) prophylaxis is recommended in D+R- kidney transplant recipients (KTR), but is associated with a theoretical increased risk of developing anti-CMV drug resistance. This hypothesis was retested in this study by comparing 32 D+R- KTR who received 3 months prophylaxis (valganciclovir) with 80 D+R- KTR who received preemptive treatment. The incidence of CMV infections was higher in the preemptive group than in the prophylactic group (60% vs. 34%, respectively; p = 0.02). Treatment failure (i.e. a positive DNAemia 8 weeks after the initiation of anti-CMV treatment) was more frequent in the preemptive group (31% vs. 3% in the prophylactic group; p = 0.001). Similarly, anti-CMV drug resistance (UL97 or UL54 mutations) was also more frequent in the preemptive group (16% vs. 3% in the prophylactic group; p = 0.05). Antiviral treatment failures were associated with anti-CMV drug resistance (p = 0.0001). Patients with a CMV load over 5.25 log(10) copies/mL displayed the highest risk of developing anti-CMV drug resistance (OR = 16.91, p = 0.0008). Finally, the 1-year estimated glomerular filtration rate was reduced in patients with anti-CMV drug resistance (p = 0.02). In summary, preemptive therapy in D+R- KTR with high CMV loads and antiviral treatment failure was associated with a high incidence of anti-CMV drug resistance.
Collapse
Affiliation(s)
- L Couzi
- Centre Hospitalier Universitaire de Bordeaux, Hôpital Pellegrin, 33076 Bordeaux, France.
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
28
|
Moreau K, Desseix A, Germain C, Morel D, Couzi L, Merville P, Thiebaut R, Chauveau P. Composition corporelle et statut nutritionnel chez 98 patients en attente de greffe rénale : résultats préliminaires de l’étude CORPOS. Nephrol Ther 2011. [DOI: 10.1016/j.nephro.2011.07.273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
29
|
Bachelet T, Couzi L, Moreau K, Morel D, Merville P. Impact à long terme des infections bactériennes post-transplantation chez 635 patients transplantés rénaux. Nephrol Ther 2011. [DOI: 10.1016/j.nephro.2011.07.279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
30
|
Vranic S, Boland S, Guadagnini R, Moreau K, Marano F, Baeza A. Comparison of the cytotoxicity of different engineered nanoparticles in lung epithelial cells: Role of physico-chemical characteristics. Toxicol Lett 2011. [DOI: 10.1016/j.toxlet.2011.05.982] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
31
|
Guadagnini R, Boland S, Busi F, Vranic S, Hussain S, Moreau K, Baeza A, Marano F. Interaction of nanoparticules used in medical applications with lung epithelial cells: Uptake, cytotoxicity, genotoxicity, oxidant stress and proinflammatory response. Toxicol Lett 2011. [DOI: 10.1016/j.toxlet.2011.05.959] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
32
|
Bachelet T, Couzi L, Guidicelli G, Moreau K, Morel D, Merville P, Taupin JL. Anti-Cw donor-specific alloantibodies can lead to positive flow cytometry crossmatch and irreversible acute antibody-mediated rejection. Am J Transplant 2011; 11:1543-4. [PMID: 21668642 DOI: 10.1111/j.1600-6143.2011.03584.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
|
33
|
Renault T, Faury N, Barbosa-Solomieu V, Moreau K. Suppression substractive hybridisation (SSH) and real time PCR reveal differential gene expression in the Pacific cupped oyster, Crassostrea gigas, challenged with Ostreid herpesvirus 1. Dev Comp Immunol 2011; 35:725-735. [PMID: 21371503 DOI: 10.1016/j.dci.2011.02.004] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2011] [Revised: 02/08/2011] [Accepted: 02/10/2011] [Indexed: 05/30/2023]
Abstract
Virus-induced genes were identified using suppression subtractive hybridisation (SSH) from Pacific cupped oyster, Crassostrea gigas, haemocytes challenged by OsHV-1. A total of 304 clones from SSH forward library were sequenced. Among these sequences, some homologues corresponded to (i) immune related genes (macrophage express protein, IK cytokine, interferon-induced protein 44 or multicopper oxidase), (ii) apoptosis related genes (Bcl-2) and (iii) cell signalling and virus receptor genes (glypican). Molecular characterization and phylogenic analysis of 3 immune-related genes (macrophage expressed protein, multicopper oxidase and immunoglobulin domain cell adhesion molecule) were performed. Finally, quantitative PCR revealed significant changes in the expression of immune related genes (multicopper oxidase, macrophage expressed protein, myeloid differentiation factor 88 and interferon-induced protein 44) in oysters experimentally challenged with OsHV-1. These findings provide a first basis for studying the role of innate immunity in response to viruses in bivalves and identified genes may serve as markers of interest in breeding programs in order to obtain selected oysters presenting OsHV-1 resistance.
Collapse
Affiliation(s)
- T Renault
- Ifremer, Laboratoire de Génétique et Pathologie, 17390 La Tremblade, France.
| | | | | | | |
Collapse
|
34
|
Urbanski M, Thiebaut de Schotten M, Rodrigo S, Oppenheim C, Touzé E, Méder JF, Moreau K, Loeper-Jeny C, Dubois B, Bartolomeo P. DTI-MR tractography of white matter damage in stroke patients with neglect. Exp Brain Res 2010; 208:491-505. [PMID: 21113581 DOI: 10.1007/s00221-010-2496-8] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2010] [Accepted: 11/09/2010] [Indexed: 10/18/2022]
Abstract
Left visual neglect is a dramatic neurological condition that impairs awareness of left-sided events. Neglect has been classically reported after strokes in the territory of the right middle cerebral artery. However, the precise lesional correlates of neglect within this territory remain discussed. Recent evidence strongly suggests an implication of dysfunction of large-scale perisylvian networks in chronic neglect, but the quantitative relationships between neglect signs and damage to white matter (WM) tracts have never been explored. In this prospective study, we used diffusion tensor imaging (DTI) tractography in twelve patients with a vascular stroke in the right hemisphere. Six of these patients showed signs of neglect. Nonparametric voxel-based comparisons between neglect and controls on fractional anisotropy maps revealed clusters in the perisylvian WM and in the external capsule. Individual DTI tractography identified specific disconnections of the fronto-parietal and fronto-occipital pathways in the neglect group. Voxel-based correlation statistics highlighted correlations between patients' performance on two visual search tasks and damage to WM clusters. These clusters were located in the anterior limb of the internal capsule and in the WM underlying the inferior frontal gyrus, along the trajectory of the anterior segment of the arcuate fasciculus (asAF). These results indicate that chronic visual neglect can result from, and correlate with, damage to fronto-parietal connections in the right hemisphere, within large-scale cortical networks important for orienting of spatial attention, arousal and spatial working memory.
Collapse
Affiliation(s)
- M Urbanski
- INSERM-UPMC UMR S 975, G.H. Pitié-Salpêtrière, 47 boulevard de l'Hôpital, 75013 Paris, France,
| | | | | | | | | | | | | | | | | | | |
Collapse
|
35
|
Moreau K, Bergman C, Tobin L, Kohrt W, Gozansky W. REDUCED LEFT VENTRICULAR DIASTOLIC FUNCTION AND ELEVATED EPICARDIAL ADIPOSE TISSUE: EFFECTS OF AGE & MENOPAUSAL STATUS. Maturitas 2009. [DOI: 10.1016/s0378-5122(09)70229-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
36
|
Tudor-Locke C, Bassett DR, Rutherford WJ, Ainsworth BE, Chan CB, Croteau K, Giles-Corti B, Le Masurier G, Moreau K, Mrozek J, Oppert JM, Raustorp A, Strath SJ, Thompson D, Whitt-Glover MC, Wilde B, Wojcik JR. BMI-referenced cut points for pedometer-determined steps per day in adults. J Phys Act Health 2008; 5 Suppl 1:S126-S139. [PMID: 18364517 PMCID: PMC2866423 DOI: 10.1123/jpah.5.s1.s126] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/26/2023]
Abstract
BACKGROUND The goal of this study was to establish preliminary criterion-referenced cut points for adult pedometer-determined physical activity (PA) related to weight status defined by body mass index (BMI). METHODS Researchers contributed directly measured BMI and pedometer data that had been collected (1) using a Yamax-manufactured pedometer, (2) for a minimum of 3 days, (3) on ostensibly healthy adults. The contrasting groups method was used to identify age- and gender-specific cut points for steps/d related to BMI cut points for normal weight and overweight/obesity (defined as BMI <25 and >or=25 kg/m2, respectively). RESULTS Data included 3127 individuals age 18 to 94 years (976 men, age = 46.8 +/- 15.4 years, BMI = 27.3 +/- 4.9; 2151 women, age = 47.4 +/- 14.9 years, BMI = 27.6 +/- 6.4; all gender differences NS). Best estimated cut points for normal versus overweight/obesity ranged from 11,000 to 12,000 steps/d for men and 8000 to 12,000 steps/d for women (consistently higher for younger age groups). CONCLUSIONS These steps/d cut points can be used to identify individuals at risk, or the proportion of adults achieving or falling short of set cut points can be reported and compared between populations. Cut points can also be used to set intervention goals, and they can be referred to when evaluating program impact, as well as environmental and policy changes.
Collapse
Affiliation(s)
- C Tudor-Locke
- Dept of Exercise and Wellness, Arizona State University, Mesa, AZ 85212, USA
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
37
|
Adjadj E, Brindel P, Sclumberger M, Colonna M, Moreau K, Schvartz C, Barouh M, Lacour B, Sassolas G, Borson-Chazot F, de Vathaire F. P1-1 - Facteurs de risque des cancers différenciés de la thyroïde de l’enfant et du sujet jeune : mise en place d’une étude cas-témoins dans l’Est de la France. Rev Epidemiol Sante Publique 2006. [DOI: 10.1016/s0398-7620(06)76875-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
|
38
|
Martin D, Pinsolle V, Merville P, Moreau K, Pelissier P, Baudet J. Premier cas mondial d'autoréimplantation de membre associé à un traitement immunosuppresseur (FK 506-Tacrolimus®) : rapport préliminaire à 18 mois. ANN CHIR PLAST ESTH 2005; 50:257-63. [PMID: 16087038 DOI: 10.1016/j.anplas.2005.02.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2005] [Accepted: 02/25/2005] [Indexed: 12/28/2022]
Abstract
This is the case of the replantation of the upper limb of a sixty year old woman. The nature of the traumatism is an avulsion of the upper limb, at the junction of the middle third and the lower third of the humerus, which has a very bad prognosis. The originality of this report is the administration of Tacrolimus (immunosuppressive molecule) in an autotransplant. Tracolimus stimulates the nerve growing back, as already demonstrated in the animal and the fetus. In this preliminary report, the use of Tacrolimus over one year showed exceptional results. Indeed, the autors noticed clinical signs of intrinsic reinervation of the hand in the territory of the ulnar and median nerve. This has been confirmed with the use of electromyography. This is, as far as we know, the first observation of such results with adults and when the level of amputation is located so high. The authors think that the use of Tacrolimus should be tested in numerous cases of nerve lesions with bad prognosis such as high ulnar nerve lesions, serious plexus suffering or even in spinal cord trauma.
Collapse
Affiliation(s)
- D Martin
- Service de chirurgie plastique, chirurgie de la main, microchirurgie, Hôpital du Tondu, CHU de Pellegrin BORDEAUX.
| | | | | | | | | | | |
Collapse
|
39
|
Quilot B, Wu BH, Kervella J, Génard M, Foulongne M, Moreau K. QTL analysis of quality traits in an advanced backcross between Prunus persica cultivars and the wild relative species P. davidiana. Theor Appl Genet 2004; 109:884-97. [PMID: 15168024 DOI: 10.1007/s00122-004-1703-z] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2003] [Accepted: 04/02/2004] [Indexed: 05/08/2023]
Abstract
Genetic control of the different attributes involved in peach quality has been investigated in an advanced backcross population derived from a cross between Prunus davidiana clone P1908, a wild parent with poor agronomic performance, and a commercial variety, Summergrand. A total of 24 physical and biochemical traits were investigated. Quantitative trait loci (QTLs) were detected for all the traits studied. We identified alleles from P. davidiana with agronomically favorable effects regarding fruit and stone sizes, sugar and acid concentrations and red flesh coloration, in clear contrast to its phenotype. We identified three main regions of the genome where alleles from P. davidiana had negative effects on multiple traits. In other regions, co-locations of QTLs with opposite effects on quality traits were also detected. We discuss the nature of these co-locations in the light of the probable physiological mechanisms involved. Strategies to cope with negative correlations between favorable traits and co-locations of P. davidiana alleles with negative effects on quality traits and positive effects regarding resistance to powdery mildew are discussed from a breeding point of view.
Collapse
Affiliation(s)
- B Quilot
- Plantes et Systèmes de Culture Horticoles, Institut National de la Recherche Agronomique (INRA), Domaine St Paul, Site Agroparc, 84914 Avignon cedex 9, France.
| | | | | | | | | | | |
Collapse
|
40
|
Moreau K, Faure C, Verdier G, Ronfort C. Analysis of conserved and non-conserved amino acids critical for ALSV (Avian leukemia and sarcoma viruses) integrase functions in vitro. Arch Virol 2002; 147:1761-78. [PMID: 12209315 DOI: 10.1007/s00705-002-0831-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Retroviral integrase (IN) is the viral enzyme responsible for the integration of viral DNA into host cellular DNA. In vitro, recombinant IN protein is able to catalyze the 3'-processing, strand transfer and disintegration activities. In order to analyze the importance of specific residues of ALSV (Avian leukemia and sarcoma viruses) IN protein, we introduced 31 amino acid substitutions either in residues previously shown by others to be involved in IN oligomerization or in selected conserved and non-conserved residues through the IN sequence. We tested, in vitro, the three catalytic activities of these mutants as well as their capacity to bind DNA. We found that (i) 88% of the substitutions occurring on well-conserved residues have an effect on IN activities (ii) two mutants (S85T in the central catalytic domain and N197C in the C-terminal domain) present a reduced efficiency of DNA binding compared to the wild type protein. Moreover, all mutations made on the dimer interface of C-terminal domain present reduced activities, suggesting an important role of this part of the protein. Finally, for some mutations, we observed differences between the ALSV and HIV (Human immunodeficiency virus) IN corresponding residues.
Collapse
Affiliation(s)
- K Moreau
- Centre de Génétique Moléculaire et Cellulaire, Institut National de la Recherche Agronomique, Université Claude Bernard, Villeurbanne, France
| | | | | | | |
Collapse
|
41
|
Moreau M, Mahood J, Moreau K, Berg D, Hill D, Raso J. Assessing the impact of pelvic obliquity in post-operative neuromuscular scoliosis. Stud Health Technol Inform 2002; 91:481-5. [PMID: 15457782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
The goal of this pilot study was to explore the relationship between pelvic obliquity and patient pain, sitting tolerance, pressure sores, and function. Five neuromuscular patients who underwent spinal surgery 6-26 weeks prior to assessment took part in this on-going study (4F; 1M); age at surgery (14.6 +/- 2.6 years). Pelvic obliquity was measured from pre- and post-operative anterior-posterior radiographs. A force-sensing pad with a grid of sensors was placed on a flat surface and the weight distribution pattern was recorded. The pressures were divided into left and right sides and peak levels were noted on each side. The parents or caregivers completed a questionnaire on their child's pain, sitting tolerance, pressure sores, and functional abilities. Pelvic obliquity was reduced after surgery by approximately 50% depending on the method used to assess pelvic obliquity. The major curve was reduced from 64 degrees(10 degrees) to 39 degrees (10 degrees). Post operatively, the average pressure (left/right side) ranged from 1.2 to 2.0 (average 1.6). The peak pressure ratio ranged from 1.1 to 1.9 (average 1.4). The ratio of left/right pressure correlated with improvement in pelvic obliquity (r2=0.9). Pain was moderate/severe in the 2 patients with the least correction as measured with the Cobb angle from surgery; both improved following surgery. Two patients suffered pressure sores pre-operatively and one post-operatively. Only 3/5 felt sitting endurance had increased. All parents felt their child sat straighter after surgery. The outcome measures of pain, pressure sores, sitting tolerance, and function were not well related to the amount of pelvic obliquity. More candidates and a longer follow-up may shed light on the many relationships.
Collapse
Affiliation(s)
- M Moreau
- University ofAlberta, Edmonton, AB Canada.
| | | | | | | | | | | |
Collapse
|
42
|
Hill D, Raso VJ, Moreau K, Moreau M, Mahood J. Long-term follow-up of surgically treated AIS patients. Stud Health Technol Inform 2002; 91:477-80. [PMID: 15457781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
The aim of this study was to determine the long-term changes in spine and trunk alignment in patients who have undergone scoliosis surgery. Twenty-three (16F; 7M; at age of surgery 15.7 +/- 4.9 years) patients with adolescent idiopathic scoliosis agreed to participate and had posterior-anterior radiographs and surface topography prior to derotation surgery, within 6 months of surgery, at 2 years post-operatively and 5-10 years (mean follow-up period 6.11 +/- 1.6 years) after surgery. Cobb angles, surface trunk rotations, and cosmetic scores were measured at each visit. A questionnaire assessed back appearance and pain at the 5-10 year follow-up. The results of the questionnaire were compared to 25 patients with idiopathic scoliosis who had recently undergone surgery. A paired two-tailed Student's t-test with p=0.05 was used to compare the deformity between visits. The Cobb angle and cosmetic score improved after surgery while the change in trunk rotation was insignificant (p=0.37). Between the two-year and 5-10 year review, the Cobb angle, cosmetic score, and surface trunk rotation significantly increased. Self-perception of appearance and pain were similar to the control group. Surgical correction of scoliosis is not completely maintained during adulthood although the radiographic and surface deterioration does not appear to be clinically significant.
Collapse
Affiliation(s)
- D Hill
- Capital Health Authority, Glenrose Rehabilitation Hospital Site, Edmonton, AB Canada.
| | | | | | | | | |
Collapse
|
43
|
Walrand S, Moreau K, Caldefie F, Tridon A, Chassagne J, Portefaix G, Cynober L, Beaufrère B, Vasson MP, Boirie Y. Specific and nonspecific immune responses to fasting and refeeding differ in healthy young adult and elderly persons. Am J Clin Nutr 2001; 74:670-8. [PMID: 11684537 DOI: 10.1093/ajcn/74.5.670] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Undernutrition is a main cause of immunodeficiency. Many confounding factors limit the interpretation of immune function in hospitalized elderly patients. OBJECTIVE We compared the effects of short-term fasting and refeeding on lymphocyte subset distribution and neutrophil function in healthy subjects. DESIGN Seven young adult (x +/- SE age: 24 +/- 2 y) and 8 elderly (71 +/- 3 y) subjects were fed standardized diets (1.6 x predicted resting energy expenditure; 16% protein) for 7 d. They then fasted for 36 h and were refed for 4 h (42 kJ/kg). Lymphocyte subsets were quantified by using fluorochrome-conjugated monoclonal antibodies. Neutrophil chemotactic migration was evaluated by using a 2-compartment chamber. Neutrophil reactive oxygen species production was measured by using a luminol-amplified chemiluminescence assay and oxidation of 2'7'-dichlorofluorescein diacetate. RESULTS Baseline total and cytotoxic T lymphocyte subpopulations were lower in elderly than in adult subjects (P < 0.01). Nutritional state had a significant effect (P < 0.05) on total, helper, and cytotoxic T and B lymphocyte counts in all subjects, and the response of lymphocyte subpopulations to nutritional fluctuations was significantly affected by age. The chemotactic index was lowered by fasting in both groups (P < 0.05 compared with basal values). After refeeding, neutrophil migration was restored in adult but not elderly subjects. The superoxide anion production rate increased with fasting and reverted to prefasting values with refeeding in both groups (P < 0.05). Fasting induced a significant decrease in hydrogen peroxide production in stimulated neutrophils that was reversed by refeeding in adult but not elderly subjects. CONCLUSION The lack of response of lymphocyte subpopulation counts and neutrophil function to nutritional changes may help to explain the proneness of elderly persons to infection.
Collapse
Affiliation(s)
- S Walrand
- Laboratoire de Biochimie, Biologie Moléculaire et Nutrition, Faculté de Pharmacie, Centre de Recherche en Nutrition Humaine, Clermont-Ferrand, France.
| | | | | | | | | | | | | | | | | | | |
Collapse
|
44
|
Moreau K, Torne-Celer C, Faure C, Verdier G, Ronfort C. In vivo retroviral integration: fidelity to size of the host DNA duplication might Be reduced when integration occurs near sequences homologous to LTR ends. Virology 2000; 278:133-6. [PMID: 11112489 DOI: 10.1006/viro.2000.0641] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Integrated retroviral DNAs are flanked by a short duplication of target DNA whose size is virus specific and invariable. We have sequenced the junctions between an ALSV (Avian Leukemia and Sarcoma Viruses)-based vector and quail DNA from five individual proviruses. Three proviruses were flanked by the expected 6-bp duplication of host DNA, whereas the two others were flanked by a 5-bp duplication. Nucleotide sequencing of the native integration sites of these two proviruses showed that these integrations had occurred at the immediate vicinity of either a CA or a TG dinucleotide, revealing striking microhomologies between the integration sites and viral LTR ends. These results suggest that size duplication of the target DNA might be influenced by nucleotidic sequence at the site of integration.
Collapse
Affiliation(s)
- K Moreau
- Centre de Génétique Moléculaire et Cellulaire, Institut National de la Recherche Agronomique, Villeurbanne cedex, 69622, France
| | | | | | | | | |
Collapse
|
45
|
Bonarek H, Merville P, Bonarek M, Moreau K, Morel D, Aparicio M, Potaux L. Improvement of parathyroid function after kidney transplantation: effect on parathyroid functional mass. Transplant Proc 2000; 32:401-3. [PMID: 10715455 DOI: 10.1016/s0041-1345(99)00995-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- H Bonarek
- Service de Néphrologie et Transplantation Rénale, Hôpital Pellegrin, Centre Hospitalier Universitaire, Bordeaux, France
| | | | | | | | | | | | | |
Collapse
|
46
|
Abstract
BACKGROUND Chronic uremia is responsible for secondary hyperparathyroidism (HPT II). Parathyroid secretion usually tends to normalize after kidney transplantation (KT), but the parameters of the reversibility of HPT II remain poorly defined, particularly the intrinsic mechanisms underlying the improvement of parathyroid function. METHODS The kinetic functional parameters of the ionized calcium (iCa)/parathormone (PTH) relationship curve were studied in 11 patients with mild to moderate HPT II one and six months after successful KT. Hypercalcemia and hypocalcemia were induced, respectively, by CaCl2 and Na2-ethylenediaminetetraacetic acid (Na2-EDTA) infusions. RESULTS The mean glomerular filtration rate remained stable during follow-up. Basal PTH decreased from 195 +/- 54 pg/ml before KT to 70 +/- 12 pg/ml six months later (P < 0. 005). During the tests, mean PTH levels decreased significantly between the two measured times for all iCa levels, indicating an improved parathyroid function. An analysis of the kinetic parameters of the curves showed significant decreases of the mean maximal and minimal PTH levels, respectively, from 340 +/- 91 to 220 +/- 30 pg/ml (P = 0.03) and from 25 +/- 6 to 15 +/- 5 pg/ml (P = 0.005). On the other hand, no change was noted in the parathyroid-cell calcium-sensitivity parameters (slope, set point) assessed using two different approaches, either the entire curve or the limited calcium-mediated suppression curve. CONCLUSION Improvement of the parathyroid function between the first and sixth months post-KT seems mainly attributable to a reduction of the parathyroid functional mass.
Collapse
Affiliation(s)
- H Bonarek
- Service de Néphrologie et Transplantation Rénale, Hôpital Pelligrin, Centre Hospitalier Universitaire, Bordeaux, France
| | | | | | | | | | | | | |
Collapse
|
47
|
Moreau K, Morel D, Merville P, Melon B, Potaux L. [Cardiorespiratory arrest following ingestion of morphine sulfate in a patient with chronic renal failure]. Presse Med 1997; 26:713. [PMID: 9183371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
|
48
|
Abstract
Published values of transepithelial potential differences (VTE) in the proximal tubule of Necturus vary from approximately 0 to approximately -15 mV. In view of this disparity, we reinvestigated VTE. Our measured VTE was on the average -1.0 mV in early convolutions and +0.6 mV in terminal proximal segments. In the course of this study, we considered five distinct causes of artifacts. 1) Tip and pre-tip potentials: their occurrence was minimized by using Ringer's filled microelectrodes. 2) Interstitial tip localizations: the position of the tip was ascertained by the shift in potential, resulting in response to peritubular perfusion with gluconate solutions. 3) Leaky impalements: VTE responses to gluconate, input resistance determinations and the presence of positive VTE's rule out the leak hypothesis. 4) Zeroline shifts between pre- and postimpalement stages, and 5) Spontaneous VTE drifts in the positive direction, due to gradual passage of the tip from cell to lumen, or in the negative direction, resulting from tip contact with the lower cellular layer. All five causes of artifacts may be involved in the controversy regarding past VTE estimates.
Collapse
|
49
|
Doi YL, Sugiura T, Bishop RL, Paladino D, Moreau K, Spodick DH. High-speed echophonocardiograhic detection of tricuspid valve prolapse in mitral valve prolapse with discrepancy in onset of systolic murmur. Am Heart J 1982; 103:301-3. [PMID: 7055064 DOI: 10.1016/0002-8703(82)90508-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
|
50
|
Nakamura Y, Haffty BG, Spodick DH, Paladino D, Moreau K, Flessas AP. Responses of peak ear-pulse derivative to changing left ventricular function. Am J Physiol 1980; 238:H355-9. [PMID: 7369380 DOI: 10.1152/ajpheart.1980.238.3.h355] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The ear densitograph displacement pulse derivative (dD/dtear) is the analog of the arterial pressure derivative (dP/dt) and behaves comparably under a variety of cardiocirculatory challenges. Technical reliability and uniform application of the transducer are advantages that make it ideal for intrasubject monitoring. With atrial fibrillation as a model of functional variability in eight subjects, peak dD/dtear (P) tracked echocardiographic stroke volume, ejection fraction, ejection rate, and velocity of circumferential fiber shortening quite closely with the exception of some values in three subjects, two of whom had mitral regurgitation and one paradoxic septal movement. In all subjects, P showed good to excellent correlations with cycle length, preejection period (PEP), LVET (left ventricular ejection time), and PEP/LVET. The method appears to be ideally suited to intrasubject monitoring for changing ventricular function.
Collapse
|