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Chauvin P, Picard M, Verdeil X, Recher C, Iriart X, Cavaille L, Huguet F, Bouvet E, Desnos M, Arnaud S, Valentin A, Marchou B, Ruiz J, Fillaux J, Roques C, Petit. J, Masson R, Gaschet A, Sanhes L, Miquel C, Berry A, Cassaing S. Cas groupes d’infections fongiques invasives à Geotrichum clavatum dans le sud ouest de la France. J Mycol Med 2013. [DOI: 10.1016/j.mycmed.2012.12.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Karnik R, Rothmund T, Bonner G, Valentin A, Reuther G. Inline skating as a possible cause of consecutive bilateral vertebral artery dissection. Acta Neurol Scand 2012. [DOI: 10.1034/j.1600-0404.2000.00010.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Lavergne R, Cassaing S, Nocera T, Pauwels C, Cointault O, Basse G, Lavayssière L, Berry A, Kamar N, Lamant L, Iriart X, Linas M, Valentin A, Fillaux J, Paul C, Magnaval J. Simultaneous cutaneous infection due toPaecilomyces lilacinusandAlternariain a heart transplant patient. Transpl Infect Dis 2012; 14:E156-60. [DOI: 10.1111/tid.12020] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2011] [Revised: 03/29/2012] [Accepted: 06/20/2012] [Indexed: 11/29/2022]
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Pavlakis GN, Kulkarni V, Valentin A, Rosati M, Sardesai NY, Mothe B, Brander C, LeGall S, Weiner DB, Rolland M, Mullins JI, Felber BK. DNA vaccines expressing conserved elements provide potent and broad immune responses. Retrovirology 2012. [PMCID: PMC3441506 DOI: 10.1186/1742-4690-9-s2-o67] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Li J, Valentin A, Kulkarni V, Alicea C, Kelly Beach R, Rosati M, Jalah R, Reed S, Felber BK, Pavlakis GN. Co-immunization with HIV Env DNA and protein elicit long-lasting strong cellular and humoral immune responses. Retrovirology 2012. [PMCID: PMC3441394 DOI: 10.1186/1742-4690-9-s2-p340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Iriart X, Lavergne R, Fillaux J, Valentin A, Magnaval JF, Berry A, Cassaing S. Performances du spectromètre de masse VITEK ® MS (MALDI-TOF) pour l’identification des espèces fongiques isolées en routine au CHU de Toulouse. J Mycol Med 2012. [DOI: 10.1016/j.mycmed.2012.07.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Rivaud M, Mendoza A, Sauvain M, Valentin A, Jullian V. Short synthesis and antimalarial activity of fagaronine. Bioorg Med Chem 2012; 20:4856-61. [PMID: 22766218 DOI: 10.1016/j.bmc.2012.05.061] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2012] [Revised: 05/22/2012] [Accepted: 05/25/2012] [Indexed: 10/28/2022]
Abstract
Herein, we report a new synthesis of fagaronine 1, inspired by the synthesis reported by Luo for nornitidine. The in vitro biological activity of fagaronine against malaria on several chloroquine-sensitive and resistant Plasmodium falciparum strains was confirmed, and the selectivity index compared to mammalian cells was calculated. Fagaronine was found to have very good antimalarial activity in vivo, comparable to the activity of the reference compound chloroquine. Therefore, fagaronine appears to be a good potential lead for the design of new antimalarial molecules.
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Schulz E, Valentin A, Ulz P, Beham-Schmid C, Lind K, Rupp V, Lackner H, Wölfler A, Zebisch A, Olipitz W, Geigl J, Berghold A, Speicher MR, Sill H. Germline mutations in the DNA damage response genes BRCA1, BRCA2, BARD1 and TP53 in patients with therapy related myeloid neoplasms. J Med Genet 2012; 49:422-8. [PMID: 22652532 DOI: 10.1136/jmedgenet-2011-100674] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND Therapy related myeloid neoplasms (t-MNs) are complex diseases originating from an interplay between exogenous toxicities and a susceptible organism. It has been hypothesised that in a subset of cases t-MNs develop in the context of hereditary cancer predisposition syndromes. METHODS The study systematically evaluated pedigrees of patients with t-MNs for cancer incidences and the possibility of a hereditary cancer predisposition syndrome. In addition, mutational analyses were performed using constitutional DNA from index patients, and deleterious heterozygous germline mutations were assessed for loss of heterozygosity in sorted leukaemic cells by single nucleotide polymorphism array. RESULTS A nuclear pedigree was obtained in 51/53 patients with t-MNs resulting in a total of 828 individuals analysed. With a standardised incidence ratio of 1.03 (95% CI 0.74 to 1.39), the tumour incidence of first- degree relatives was not increased. However, six pedigrees were suggestive for a hereditary breast and ovarian cancer syndrome, three of a Li-Fraumeni like syndrome, and three index patients showed multiple primary neoplasms. Mutational analysis revealed two BRCA1 (c.3112G→T, c.5251C→T), one BRCA2 (c.4027A→G), two BARD1 (C557S) and four TP53 germline mutations (g.18508_18761delinsGCC, c.847C→T, c.845_848dupGGCG, c.1146delA) in nine of 53 (17%) index patients with t-MNs. Loss of heterozygosity in leukaemic cells was demonstrated for the BRCA1c.3112G→T and TP53c.845_848dupGGCG mutations, respectively. CONCLUSION It is concluded that a proportion of patients with t-MNs carry cancer susceptibility mutations which are likely to contribute to therapy related leukaemogenesis.
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Hoenigl M, Strenger V, Buzina W, Valentin T, Koidl C, Wolfler A, Seeber K, Valentin A, Strohmeier AT, Zollner-Schwetz I, Raggam RB, Urban C, Lass-Florl C, Linkesch W, Krause R. European Organization for the Research and Treatment of Cancer/Mycoses Study Group (EORTC/MSG) host factors and invasive fungal infections in patients with haematological malignancies. J Antimicrob Chemother 2012; 67:2029-33. [DOI: 10.1093/jac/dks155] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
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35
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Rankl J, Flicker K, Valentin A, Horn M, Uranüs S, Groselj-Strele A, Emberger W, Sill H. Hypersensitivity to alkylation treatment of primary fibroblasts from patients with therapy-related myeloid neoplasms. Leuk Res 2012; 36:e137-9. [PMID: 22480971 DOI: 10.1016/j.leukres.2012.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2011] [Revised: 03/06/2012] [Accepted: 03/12/2012] [Indexed: 10/28/2022]
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Hoenigl M, Raggam RB, Salzer HJF, Valentin T, Valentin A, Zollner-Schwetz I, Strohmeier AT, Seeber K, Wölfler A, Sill H, Krause R. Posaconazole plasma concentrations and invasive mould infections in patients with haematological malignancies. Int J Antimicrob Agents 2012; 39:510-3. [PMID: 22481057 DOI: 10.1016/j.ijantimicag.2012.02.002] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2011] [Revised: 01/27/2012] [Accepted: 02/03/2012] [Indexed: 11/20/2022]
Abstract
Posaconazole (PCZ) is a triazole antifungal agent that has broad activity against pathogenic fungi and is increasingly used for prophylaxis and treatment of invasive mould infections (IMIs). PCZ is only available as an oral formulation, with varying absorption from the gastrointestinal tract. However, reports correlating PCZ plasma concentrations (PPCs) with breakthrough IMIs are rare. In this study, PPCs were analysed in a prospective, observational, single-centre study and the correlation of PPCs with breakthrough IMIs in patients with haematological malignancies was evaluated. Risk factors associated with low PPCs were further evaluated. A total of 109 PPCs were measured in 34 cases receiving PCZ prophylaxis (n=31) or treatment (n=3). Levels below the target of 0.5 μg/mL were detected in 24 (71%) of the 34 cases; in 15 (63%) of these 24 cases concentrations were found to be <0.20 μg/mL. Three patients receiving PCZ prophylaxis met the criteria of breakthrough infection. Notably, prior to development of IMI, PPCs were below the target in all three individuals. Associated risk factors for insufficient PPCs varied from previous reports. In conclusion, these data demonstrate that therapeutic drug monitoring of PCZ is mandatory in all patients with haematological malignancies as low PPCs are common and may be associated with development of IMIs.
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Rhodes A, Moreno RP, Azoulay E, Capuzzo M, Chiche JD, Eddleston J, Endacott R, Ferdinande P, Flaatten H, Guidet B, Kuhlen R, León-Gil C, Martin Delgado MC, Metnitz PG, Soares M, Sprung CL, Timsit JF, Valentin A. Prospectively defined indicators to improve the safety and quality of care for critically ill patients: a report from the Task Force on Safety and Quality of the European Society of Intensive Care Medicine (ESICM). Intensive Care Med 2012; 38:598-605. [DOI: 10.1007/s00134-011-2462-3] [Citation(s) in RCA: 150] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2011] [Accepted: 12/28/2011] [Indexed: 10/14/2022]
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Amrein K, Valentin A, Lanzer G, Drexler C. Adverse events and safety issues in blood donation--a comprehensive review. Blood Rev 2011; 26:33-42. [PMID: 21996651 DOI: 10.1016/j.blre.2011.09.003] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Although blood donation is generally safe, a variety of risks and complications exist, the most common being iron deficiency, vasovagal reactions and citrate-related events. In the last decades, extensive efforts have significantly improved recipient and product safety, but there is still great potential to optimise donor care. Many therapies in modern medicine depend on the prompt availability of blood products, therefore it is crucial to maintain a motivated and healthy donor pool in view of a limited number of healthy volunteers willing and able to give blood or blood components. We present a comprehensive review on adverse events addressing all types of blood donation including whole blood, plasma, platelet, peripheral blood stem cell, leucocyte and bone marrow donation. In addition, we outline strategies for the prevention and treatment of these events and give a blueprint for future research in this field.
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Mani L, Petek S, Valentin A, Chevalley S, Folcher E, Aalbersberg W, Debitus C. The in vivo anti-plasmodial activity of haliclonacyclamine A, an alkaloid from the marine sponge, Haliclona sp. Nat Prod Res 2011; 25:1923-30. [PMID: 21895455 DOI: 10.1080/14786419.2010.547858] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The compound haliclonacyclamine A was isolated from the Haliclona sponge at Solomon Islands. It acts as a powerful in vitro and in vivo anti-plasmodial agent against the chloroquine-resistant Plasmodium falciparum strain FCB1and Plasmodium vinckei petteri-infected mice, respectively.
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Zinke-Cerwenka W, Valentin A, Posch U, Beham-Schmid C, Groselj-Strele A, Linkesch W, Wölfler A, Sill H. Reduced-intensity allografting in patients with therapy-related myeloid neoplasms and active primary malignancies. Bone Marrow Transplant 2011; 46:1540-4. [PMID: 21860429 DOI: 10.1038/bmt.2011.165] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Therapy-related myeloid neoplasms (t-MNs) are severe long-term consequences of cytotoxic treatments for a primary, often, malignant disorder. So far, the majority of patients eligible for transplantation have undergone myeloablative allo haematopoietic SCT (HSCT) as a potentially curative treatment, but it has been associated with high transplantation-related mortality (TRM) rates. In this retrospective study, we analysed the outcome of patients with t-MNs undergoing HSCT with reduced-intensity conditioning (RIC). Of 55 patients, seen at a single centre over a 10-year period, 17 underwent RIC HSCT with related or unrelated donors. The estimated overall survival was 53% at 1 year and 47% at 3 years, and disease-free survival was 47% at 1 year. At 1 year, the cumulative incidence of relapse and TRM were 24% and 30%, respectively. Of five patients with active primary neoplasms who underwent transplantation, two are alive beyond 1 year and show CR of both t-MNs and the primary malignancy. These data indicate that RIC HSCT is an encouraging approach for patients with t-MNs. The issue of primary malignancies not being in remission at the time of transplantation should be explored in further studies.
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Azando E, Hounzangbé–Adoté M, Olounladé P, Brunet S, Fabre N, Valentin A, Hoste H. Involvement of tannins and flavonoids in the in vitro effects of Newbouldia laevis and Zanthoxylum zanthoxyloïdes extracts on the exsheathment of third-stage infective larvae of gastrointestinal nematodes. Vet Parasitol 2011; 180:292-7. [DOI: 10.1016/j.vetpar.2011.03.010] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2010] [Revised: 03/02/2011] [Accepted: 03/10/2011] [Indexed: 11/25/2022]
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Rosenzweig I, Beniczky S, Brunnhuber F, Alarcon G, Valentin A. PA.01 The dorsal hippocampal commissure: when the functionality matters. Journal of Neurology, Neurosurgery and Psychiatry 2011. [DOI: 10.1136/jnnp-2011-300504.28] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Cardamone L, Valentin A, Eberth J, Humphrey J. Origin of axial prestretch and residual stress in arteries. Biomech Model Mechanobiol 2009; 8:431-46. [PMID: 19123012 PMCID: PMC2891240 DOI: 10.1007/s10237-008-0146-x] [Citation(s) in RCA: 123] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2008] [Accepted: 12/04/2008] [Indexed: 11/25/2022]
Abstract
The structural protein elastin endows large arteries with unique biological functionality and mechanical integrity, hence its disorganization, fragmentation, or degradation can have important consequences on the progression and treatment of vascular diseases. There is, therefore, a need in arterial mechanics to move from materially uniform, phenomenological, constitutive relations for the wall to those that account for separate contributions of the primary structural constituents: elastin, fibrillar collagens, smooth muscle, and amorphous matrix. In this paper, we employ a recently proposed constrained mixture model of the arterial wall and show that prestretched elastin contributes significantly to both the retraction of arteries that is observed upon transection and the opening angle that follows the introduction of a radial cut in an unloaded segment. We also show that the transmural distributions of elastin and collagen, compressive stiffness of collagen, and smooth muscle tone play complementary roles. Axial prestresses and residual stresses in arteries contribute to the homeostatic state of stress in vivo as well as adaptations to perturbed loads, disease, or injury. Understanding better the development of and changes in wall stress due to individual extracellular matrix constituents thus promises to provide considerable clinically important insight into arterial health and disease.
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Pavlakis GN, Rosati M, Patel V, Valentin A, Bergamaschi C, Kulkarni V, Jalah R, von Gegerfelt A, Ohlen C, Khan A, Draghia-Akli R, Van Rompay K, Felber BK. P14-08. Intramuscular DNA delivery by electroporation leads to greatly enhanced systemic and mucosal immune responses and control of SIVmac251 challenge. Retrovirology 2009. [PMCID: PMC2767688 DOI: 10.1186/1742-4690-6-s3-p196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Valentin A, von Gegerfelt A, Alicea C, Patel V, Marthas ML, Van Rompay K, Pavlakis GN, Felber BK. P11-19. Altered mucosal distribution of SIV-specific T cells in Rhesus macaques infected with the live-attenuated Rev-independent SIV. Retrovirology 2009. [PMCID: PMC2767653 DOI: 10.1186/1742-4690-6-s3-p164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Felber BK, Valentin A, von Gegerfelt A, Jalah R, Patel V, Kulkarni V, Alicea C, Rosati M, Khan A, Draghia-Akli R, Pavlakis GN. P18-09. Persistent virological benefit in SIV-infected macaques upon therapeutic vaccination upon vaccination with DNA vectors. Retrovirology 2009. [PMCID: PMC2767824 DOI: 10.1186/1742-4690-6-s3-p318] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Claveau C, Valentin A. Narrowing and broadening parameters for H2O lines perturbed by helium, argon and xenon in the 1170–1440 cm−1spectral range. Mol Phys 2009. [DOI: 10.1080/00268970902911404] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Funk GC, Anders S, Breyer MK, Burghuber OC, Edelmann G, Heindl W, Hinterholzer G, Kohansal R, Schuster R, Schwarzmaier-D'Assie A, Valentin A, Hartl S. Incidence and outcome of weaning from mechanical ventilation according to new categories. Eur Respir J 2009; 35:88-94. [PMID: 19541716 DOI: 10.1183/09031936.00056909] [Citation(s) in RCA: 139] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Weaning from mechanical ventilation was categorised as simple, difficult or prolonged by an international task force of the American Thoracic Society/European Respiratory Society/European Society of Intensive Care Medicine/Society of Critical Care Medicine/Sociéte de Réanimation de Langue Française in 2007. This new classification has not been tested in clinical practice. The objective of the present study was to determine the incidence and outcome of weaning according to the new categories. We included medical and surgical patients who required mechanical ventilation in a prospective, multicentre, 6-month cohort study. From an initial cohort of 510 patients, 257 intubated patients started weaning. Of these patients, the cumulative incidences of simple, difficult, and prolonged weaning were 152 (59%), 68 (26%) and 37 (14%), respectively. Hospital mortality was increased in patients with prolonged (32%) but not difficult (9%) weaning in comparison with those with simple weaning (13%), overall p = 0.0205. In a multivariate logistic regression model, prolonged but not difficult weaning was associated with an increased risk of death. Ventilator-free days and intensive care unit (ICU)-free days were decreased in both difficult and prolonged weaning. In conclusion, the new weaning category prolonged weaning is associated with increased mortality and morbidity in the ICU. The new category difficult to wean was associated with increased morbidity, but not mortality.
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Valentin A, Moran N, Hadden R, Oakes A, Elwes R, Delamont R, Mullatti N, Nashef L. Pregabalin as adjunctive therapy for partial epilepsy: an audit study in 96 patients from the South East of England. Seizure 2009; 18:450-2. [PMID: 19213577 DOI: 10.1016/j.seizure.2009.01.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2008] [Revised: 12/17/2008] [Accepted: 01/08/2009] [Indexed: 10/21/2022] Open
Abstract
INTRODUCTION Pregabalin (PGB) was licensed in the EU in 2004 as an adjunctive therapy in partial epilepsy. It is also licensed for neuropathic pain and generalised anxiety. AIMS To identify the clinical usefulness and side effects of add-on PGB in out-patient epilepsy clinics. METHODS We performed an audit on 96 consecutive patients (44 male) prescribed PGB for refractory epilepsy. Mean follow-up, for those who remained on PGB, was 23 months (range 12-39 months). RESULTS Fifty patients remained on PGB, 37 of whom reported clear improvement in seizure frequency. Among these 37 patients, 1 was seizure free for 15 months; 29 had a seizure reduction of >50%; and 7 improved by <50%. Eight patients reported a decrease in seizure severity without change in seizure frequency. Nine patients reported an incidental improvement in anxiety. Side effects were reported by 25 patients out of the 50 patients still on treatment: 12 reported drowsiness or tiredness, 8 weight gain, 7 dizziness, 2 headache, 2 cognitive side effects, 1 irritability, 1 itchiness, 1 anxiety, and 1 transient rash. Among the 46 patients who discontinued treatment, 9 had worsening of seizure frequency, 27 lack of efficacy and 9 intolerable side effects necessitating withdrawal (4 dizziness or drowsiness, 2 weight gain, 1 peripheral oedema, 1 pain in arms and legs, 1 irritability and cognitive side effects). One patient had a seizure related death (probably drowning) within 1 month of starting PGB. CONCLUSION Pregabalin seems to be an effective and well-tolerated anti-epileptic drug when used as add-on treatment in patients with refractory partial epilepsy.
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Stöllberger C, Finsterer J, Valentin A, Blazek G, Tscholakoff D. Isolated left ventricular abnormal trabeculation in adults is associated with neuromuscular disorders. Clin Cardiol 2009; 22:119-23. [PMID: 10068850 PMCID: PMC6655289 DOI: 10.1002/clc.4960220212] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND Isolated left ventricular abnormal trabeculation (ILVAT) is defined as > 3 coarse trabeculations of the left ventricular wall, apically to the papillary muscles, in hearts without congenital malformations. HYPOTHESIS The aims of the study were to assess by echocardiography the prevalence of ILVAT, to confirm the diagnosis by cardiac magnetic resonance imaging (CMRI), to look for cardiac findings in ILVAT, and to determine whether ILVAT is familial and associated with neurological disorders. METHODS During a 1-year period (July 1995 to July 1996) all patients in whom transthoracic echocardiography visualized ILVAT, were included in the study. The examination and measurements were performed according to established guidelines. RESULTS During 1 year, ILVAT was found in 6 of 3,397 patients (0.2%). When applied, CMRI confirmed ILVAT. Four patients had heart failure, all had electrocardiographic (ECG) abnormalities. None of the investigated relatives showed ILVAT. One patient had Becker's muscular dystrophy, three had mitochondrial myopathy, one had polyneuropathy, and one had muscle wasting of unknown origin. CONCLUSIONS Isolated left ventricular abnormal trabeculation is rare, visible on echocardiography and CMRI, associated with ECG abnormalities, sometimes with heart failure, and always with neuromuscular disorders. Thus, when ILVAT is found, the cardiologist should consider a neurology referral.
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