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Darneau D, Giabicani E, Netchine I, Pham A. Perinatal features of children with Silver-Russell syndrome due to 11p15 loss of methylation. Front Pediatr 2024; 12:1367433. [PMID: 38638586 PMCID: PMC11024461 DOI: 10.3389/fped.2024.1367433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 03/19/2024] [Indexed: 04/20/2024] Open
Abstract
Background A diagnosis of Silver-Russell syndrome (SRS), a rare imprinting disorder responsible for foetal growth restriction, is considered for patients presenting at least four criteria of the Netchine-Harbison clinical scoring system (NH-CSS). Certain items of the NH-CSS are not assessable until the age of 2 years. The objective was to determine perinatal characteristics of children with SRS to allow an early diagnosis. Methods We retrospectively compared the perinatal characteristics of children with SRS (n = 17) with those of newborns small for gestational age (SGA) due to placental insufficiency (PI) (n = 21). Results Children with SRS showed earlier and more severely altered foetal biometry than SGA newborns due to PI. Twenty-three percent of patients with SRS showed uterine artery Doppler anomalies. SRS children were significantly smaller at birth (birth length <-3 SDS in 77% of cases in the SRS group vs. 15% in the PI group, p = 0.0001). Conclusion The diagnosis of SRS must be evoked in the neonatal period for SGA newborns with a growth delay present from the second trimester of pregnancy, a birth length <-3 SDS and a relative macrocephaly. Doppler anomalies, classically used to orient the cause of SGA towards PI, did not rule out the diagnosis of SRS.
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Affiliation(s)
- Diane Darneau
- Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine, APHP, Hôpital Armand Trousseau, Endocrinologie Moléculaire et Pathologies d’Empreinte, Paris, France
| | - Eloïse Giabicani
- Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine, APHP, Hôpital Armand Trousseau, Endocrinologie Moléculaire et Pathologies d’Empreinte, Paris, France
| | - Irène Netchine
- Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine, APHP, Hôpital Armand Trousseau, Endocrinologie Moléculaire et Pathologies d’Empreinte, Paris, France
| | - Aurélie Pham
- Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine, APHP, Hôpital Armand Trousseau, Service de Néonatologie, Paris, France
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El-Achi V, Pham A, Smet ME, Alahakoon TI. Identification of fetal female internal genitalia as clue to prenatal diagnosis of urorectal septum malformation sequence. Ultrasound Obstet Gynecol 2023; 62:909-910. [PMID: 37058364 DOI: 10.1002/uog.26216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 03/20/2023] [Accepted: 03/30/2023] [Indexed: 06/19/2023]
Affiliation(s)
- V El-Achi
- Westmead Institute for Maternal and Fetal Medicine, Westmead Hospital, Westmead, New South Wales, Australia
| | - A Pham
- Westmead Institute for Maternal and Fetal Medicine, Westmead Hospital, Westmead, New South Wales, Australia
| | - M E Smet
- Westmead Institute for Maternal and Fetal Medicine, Westmead Hospital, Westmead, New South Wales, Australia
| | - T I Alahakoon
- Westmead Institute for Maternal and Fetal Medicine, Westmead Hospital, Westmead, New South Wales, Australia
- Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
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Pham A, Ezzeddine L, Bonnard A, Lapillonne A, Rousseau V, Montalva L, Khattat N, Guilbert J, Mokhtari M, Fouquet V, Jaby O, Decobert F, Mitanchez D, Ducou Le Pointe H, Irtan S. Usefulness of routine early œsophagogram after primary repair of œsophageal atresia: a multicenter study. Pediatr Res 2023; 94:1779-1783. [PMID: 37328687 DOI: 10.1038/s41390-023-02696-x] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 05/05/2023] [Accepted: 05/30/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND Advances in surgical and neonatal care have led to improved survival of patients with œsophageal atresia (OA) over time. Morbidity remains significant, with one-third of patients being affected by a postoperative complication. Several aspects of management are not consensual, such as the use of œsophagogram before starting oral feeding. METHODS We conducted a multicenter retrospective study, including all children with OA that underwent a primary anastomosis in the first days of life, between 2012 and 2018 in five French centers, to determine the usefulness of postoperative œsophagogram during the 10 days after early primary repair of OA to diagnose the anastomotic leak and congenital œsophageal stenosis. RESULTS Among 225 included children, 90 (40%) had a routine œsophagogram and 25 (11%) had an anastomotic leak, clinically diagnosed before the scheduled œsophagogram in 24/25 (96%) children at median postoperative day 4. Ten patients had associated congenital œsophageal stenosis diagnosed on the œsophagogram in only 30% of cases. CONCLUSION Early œsophagogram is rarely useful in the diagnosis of an anastomotic leak, which is clinically diagnosed before performing an œsophagogram in the majority of cases. The need for a postoperative œsophagogram should be evaluated on a case-by-case basis. IMPACT Early œsophagogram is not helpful in the diagnosis of an anastomotic leak in the majority of cases. An anastomotic leak is most often diagnosed clinically before performing an œsophagogram. Early postoperative œsophagogram could be helpful for the diagnosis of congenital œsophageal stenosis. However, dysphagia occurs later and early diagnosis of congenital œsophageal stenosis has no impact on the management and outcome of asymptomatic children. Indication of postoperative œsophagogram has to be evaluated on a case-by-case basis.
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Affiliation(s)
- Aurélie Pham
- Sorbonne University, Assistance publique des hôpitaux de Paris, Armand Trousseau Hospital, Department of Neonatal Medicine, 75012, Paris, France.
| | - Lynn Ezzeddine
- Sorbonne University, Assistance publique des hôpitaux de Paris, Armand Trousseau Hospital, Department of Pediatric Radiology, 75012, Paris, France
| | - Arnaud Bonnard
- Paris-Cité University, Assistance publique des hôpitaux de Paris, Robert-Debré University Hospital, Department of Pediatric General Surgery and Urology, 75019, Paris, France
| | - Alexandre Lapillonne
- Paris-Cité University, Assistance publique des hôpitaux de Paris, Necker-Enfants Malades University Hospital, Neonatal Intensive Care Unit, 75015, Paris, France
| | - Véronique Rousseau
- Paris-Cité University, Assistance publique des hôpitaux de Paris, Necker-Enfants Malades University Hospital, Department of Pediatric Surgery, 75015, Paris, France
| | - Louise Montalva
- Paris-Cité University, Assistance publique des hôpitaux de Paris, Robert-Debré University Hospital, Department of Pediatric General Surgery and Urology, 75019, Paris, France
| | - Nizar Khattat
- Paris-Cité University, Assistance publique des hôpitaux de Paris, Robert-Debré University Hospital, Neonatal Intensive care unit, 75019, Paris, France
| | - Julia Guilbert
- Sorbonne University, Assistance publique des hôpitaux de Paris, Armand Trousseau Hospital, Intensive neonatal and pediatric care unit, 75012, Paris, France
| | - Mostafa Mokhtari
- Paris Saclay University, Assistance publique des hôpitaux de Paris, Kremlin Bicêtre Hospital, Neonatal Intensive care unit, 94250, Le Kremlin Bicêtre, France
| | - Virginie Fouquet
- Paris Saclay University, Assistance publique des hôpitaux de Paris, Kremlin Bicêtre Hospital, Department of Pediatric Surgery, 94250, Le Kremlin Bicêtre, France
| | - Olivier Jaby
- Centre hospitalier intercommunal de Créteil, Department of Pediatric Surgery, 94300, Créteil, France
| | - Fabrice Decobert
- Centre hospitalier intercommunal de Créteil, Neonatal Intensive Care Unit, 94300, Créteil, France
| | - Delphine Mitanchez
- François Rabelais University, CHRU de Tours, Bretonneau Hospital, Neonatal Intensive Care Unit, 37000, Tours, France
| | - Hubert Ducou Le Pointe
- Sorbonne University, Assistance publique des hôpitaux de Paris, Armand Trousseau Hospital, Department of Pediatric Radiology, 75012, Paris, France
| | - Sabine Irtan
- Sorbonne University, Assistance publique des hôpitaux de Paris, Armand Trousseau Hospital, Department of visceral and neonatal pediatric surgery, 75012, Paris, France
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Pham A, Greer MD, Mitchell M, Li A, Stamm A, Salazar M, Hsi R. Long-Term Effectiveness of a Nonsurgical BPH Treatment System in Prostate Radiation Patients with Medication-Refractory Lower Urinary Tract Symptoms. Int J Radiat Oncol Biol Phys 2023; 117:e428. [PMID: 37785399 DOI: 10.1016/j.ijrobp.2023.06.1590] [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] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) To evaluate the long-term outcomes and toxicity of a nonsurgical prostatic urethral lift system in patients with prior prostate cancer radiation therapy (RT). MATERIALS/METHODS From 2018 to 2020, nineteen patients with a history of prior prostate RT underwent a nonsurgical prostatic urethral lift (PUL) procedure for lower urinary track symptoms (LUTS) refractory to alpha blocker medications. Prostate cancer RT was completed a median of 17.8 months (IQR 13.4-27.4) prior to PUL procedure. All patients were assessed with IPSS/quality of life (QOL) scores and urinary post void residual (PVR) ultrasound before and after PUL. Patients were also assessed for ability to discontinue alpha blockade medications for their LUTS and any post PUL toxicity based on CTCAE v5.0 criteria. RESULTS All patients underwent successful placement of the PUL implants. Median pre-PUL IPSS score was 20 (IOR 17.5-22.5) and the median prostate volume was 41cc (IQR 33-49). Median follow up was 22 months (IQR 5-30). The average improvement in IPSS score was 8.5 points (IRQ 5.5-11) at 3 months and 7.5 points (IQR 6-10) at last follow-up. Two patients (10%) initially had improvement in IPSS score at 3 months with subsequent significant increase in IPSS (>5 points) at last follow-up. Overall, there was minimal change in reported QOL scores (median 0, IQR 0-1.75). The average reduction in PVR was 90cc. The percentage of patients able to discontinue alpha blockade at last follow-up was 68%. There was no grade 3 or higher GU toxicity in either group. CONCLUSION Use of a nonsurgical prostatic urethral lift system in patients with prior prostate RT refractory to alpha blocker medications results in significant long-term improvement of LUTS after radiation therapy for the majority of patients with minimal toxicity.
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Affiliation(s)
- A Pham
- University of Washington, Department of Radiation Oncology, Seattle, WA
| | - M D Greer
- Department of Radiation Oncology, University of Arizona Cancer Center, Tucson, AZ
| | | | - A Li
- The Doctors Clinic, Silverdale, WA
| | - A Stamm
- The Doctors Clinic, Silverdale, WA
| | - M Salazar
- Evergreen Health Urology, Kirkland, WA
| | - R Hsi
- University of Washington, Department of Radiation Oncology, Seattle, WA
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Hsi RA, Gutschenritter T, Pham A, Parsai H, Bradlo JR, Bell J, Mangibin R, Montague M, Reith S. Initial Clinical Outcomes of a Phase II Trial of Focal Salvage LDR Brachytherapy for Local Recurrence of Prostate Cancer after External Beam Radiation Therapy. Int J Radiat Oncol Biol Phys 2023; 117:e394. [PMID: 37785321 DOI: 10.1016/j.ijrobp.2023.06.1519] [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] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) To evaluate the clinical outcomes of focal salvage low dose rate brachytherapy (FSB) for biopsy proven local recurrence of prostate cancer after definitive external beam radiation therapy (EBRT). MATERIALS/METHODS Patients with a Phoenix definition PSA recurrence (nadir + 2.0ng/dL) after definitive EBRT for localized prostate cancer and a negative metastatic work up were enrolled in a Phase II clinical trial. Patients first underwent MR-guided transperineal mapping biopsy of the prostate using a template grid. Patients with a pathologically confirmed recurrence underwent FSB using iodine-125 seeds to a prescription dose of 145 Gy. The brachytherapy planning target volume (PTV) was defined by the positions of the pathologically negative core biopsies adjacent to the positive core biopsies as recorded on the template grid during the biopsy procedure. An intraoperative treatment plan was then developed to cover the PTV with the 145 Gy isodose line. Follow up included assessment of genitourinary (GU) and gastrointestinal (GI) toxicities using Common Terminology Criteria for Adverse Events version 4.03 (CTCAEv4.03), patient reported outcomes using the International Prostate Symptom Score (IPSS) and Expanded Prostate Cancer Index-26 (EPIC-26) forms, and serial PSA blood draws. RESULTS Ten patients underwent FSB. The median prior EBRT dose was 7805 cGy (interquartile range IQR 7560-7920) and the median time from completion of EBRT to FSB was 81 months (IQR 68-134). The median PSA prior to FSB was 3.2 ng/dL (IQR 2.3 - 4.5). The median follow up after FSB was 32 months (IQR 18-57). Eight patients were free of Phoenix definition PSA failure at last follow up. Of the two patients who experienced a PSA failure, one developed distant metastases 5 months after FSB and the other a biopsy proven seminal vesicle recurrence 3 years after FSB. The median change in post FSB IPSS score compared to the pre-FSB IPSS score was an increase of 1.5 (IQR -1.5 to 8) at 3 month follow up and an increase of 3.5 (IQR 0.5 to 5.5) at last follow up (≥1 year). The median change in post FSB EPIC-26 urinary domain score compared to the pre-FSB score was -1 (IQR -26 to +14.5) at 3 month follow up and +2 (IQR -12.5 to +14.5) at last follow up (≥1 year). The median change in post FSB EPIC-26 bowel domain score compared to the pre-FSB score was -2 (IQR -9.5 to 0.0) at 3 month follow up and 0 (IQR -6.0 to +3.0) at last follow up (≥1 year). No patients experienced post FSB Grade 3 or higher GU or GI toxicities. CONCLUSION High dose FSB for a local recurrence of prostate cancer after EBRT can be delivered with good biochemical control and a favorable toxicity profile. Further clinical trial enrollment and longer follow up will be needed to better assess long term outcomes.
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Affiliation(s)
- R A Hsi
- University of Washington, Department of Radiation Oncology, Seattle, WA; EvergreenHealth Department of Radiation Oncology, Kirkland, WA
| | - T Gutschenritter
- Department of Radiation Oncology, University of Washington - Fred Hutchinson Cancer Center, Seattle, WA
| | - A Pham
- University of Washington, Department of Radiation Oncology, Seattle, WA
| | - H Parsai
- University of Washington, Department of Radiation Oncology, Seattle, WA
| | - J R Bradlo
- EvergreenHealth Department of Radiation Oncology, Kirkland, WA
| | - J Bell
- EvergreenHealth Department of Radiation Oncology, Kirkland, WA
| | - R Mangibin
- EvergreenHealth Department of Radiation Oncology, Kirkland, WA
| | - M Montague
- Fred Hutchinson Cancer Center Peninsula, Poulsbo, WA
| | - S Reith
- Fred Hutchinson Cancer Center Peninsula, Poulsbo, WA
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Alkefrawi P, Chamond O, Laatiri Z, Kloula N, Irtan S, Foix L'Helias L, Pham A. A Case of Scrotoschisis with Exteriorization of Both Testes. Fetal Pediatr Pathol 2022; 41:1060-1062. [PMID: 35037819 DOI: 10.1080/15513815.2021.2024632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Scrotoschisis is a congenital malformation characterized by testicular exstrophy through a scrotal defect. We report a full-term baby boy with exteriorization of both testes through a right parietal scrotal defect. Bilateral testes extrusion through a lateralized scrotoschisis can occur due to a scrotal septal defect.
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Affiliation(s)
- Peggy Alkefrawi
- Hôpital Armand Trousseau, Service de néonatologie, Sorbonne Université, AP-HP, Paris, France
| | - Olivier Chamond
- Hôpital Armand Trousseau, Service de chirurgie viscérale pédiatrique et néonatale, Assistance Publique des Hôpitaux de Paris, Paris, France
| | - Zeineb Laatiri
- Hôpital Armand Trousseau, Service de néonatologie, Assistance Publique des Hôpitaux de Paris, Paris, France
| | - Nourhen Kloula
- Réanimation et médecine neonatale, CHI André Grégoire, Montreuil, France
| | - Sabine Irtan
- Hôpital Armand Trousseau, Service de chirurgie viscérale pédiatrique et néonatale, Sorbonne Université, AP-HP, Paris, France
| | - Laurence Foix L'Helias
- Hôpital Armand Trousseau, Service de néonatologie, Sorbonne Université, AP-HP, Paris, France
| | - Aurélie Pham
- Hôpital Armand Trousseau, Service de néonatologie, Sorbonne Université, AP-HP, Paris, France
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Pham A, Smith D, Burr L, Chambers D, Wells T. 470 Role of cloaking antibodies in Burkholderia cepacia complex lung infections. J Cyst Fibros 2022. [DOI: 10.1016/s1569-1993(22)01160-2] [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: 11/06/2022]
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Giabicani E, Pham A, Sélénou C, Sobrier ML, Andrique C, Lesieur J, Linglart A, Poliard A, Chaussain C, Netchine I. Dental pulp stem cells as a promising model to study imprinting diseases. Int J Oral Sci 2022; 14:19. [PMID: 35368018 PMCID: PMC8976849 DOI: 10.1038/s41368-022-00169-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 02/25/2022] [Accepted: 02/28/2022] [Indexed: 01/01/2023] Open
Abstract
Parental imprinting is an epigenetic process leading to monoallelic expression of certain genes depending on their parental origin. Imprinting diseases are characterized by growth and metabolic issues starting from birth to adulthood. They are mainly due to methylation defects in imprinting control region that drive the abnormal expression of imprinted genes. We currently lack relevant animal or cellular models to unravel the pathophysiology of growth failure in these diseases. We aimed to characterize the methylation of imprinting regions in dental pulp stem cells and during their differentiation in osteogenic cells (involved in growth regulation) to assess the interest of this cells in modeling imprinting diseases. We collected dental pulp stem cells from five controls and four patients (three with Silver-Russell syndrome and one with Beckwith-Wiedemann syndrome). Methylation analysis of imprinting control regions involved in these syndromes showed a normal profile in controls and the imprinting defect in patients. These results were maintained in dental pulp stem cells cultured under osteogenic conditions. Furthermore, we confirmed the same pattern in six other loci involved in imprinting diseases in humans. We also confirmed monoallelic expression of H19 (an imprinted gene) in controls and its biallelic expression in one patient. Extensive imprinting control regions methylation analysis shows the strong potential of dental pulp stem cells in modeling imprinting diseases, in which imprinting regions are preserved in culture and during osteogenic differentiation. This will allow to perform in vitro functional and therapeutic tests in cells derived from dental pulp stem cells and generate other cell-types.
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Leal T, Berz D, Rybkin I, Iams W, Bruno D, Blakely C, Spira A, Patel M, Waterhouse D, Richards D, Pham A, Jotte R, Garon E, Hong D, Shazer R, Yan X, Latven L, He K. 43P MRTX-500: Phase II trial of sitravatinib (sitra) + nivolumab (nivo) in patients (pts) with non-squamous (NSQ) non-small cell lung cancer (NSCLC) progressing on or after prior checkpoint inhibitor (CPI) therapy. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.01.052] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Pham A, Ecochard-Dugelay E, Bonnard A, Le Roux E, Gelas T, Rousseau V, Thomassin N, Cabon-Boudard I, Nicolas A, Guinot A, Rebeuh J, Le Mandat A, Djeddi DD, Fouquet V, Boucharny A, Irtan S, Lemale J, Comte A, Bridoux-Henno L, Dupont-Lucas C, Dimitrov G, Turquet A, Borderon C, Pelatan C, Chaillou Legault E, Jung C, Willot S, Montalva L, Mitanchez D, Gottrand F, Bellaiche M. Feeding disorders in children with oesophageal atresia: a cross-sectional study. Arch Dis Child 2022; 107:52-58. [PMID: 33863700 DOI: 10.1136/archdischild-2020-320609] [Citation(s) in RCA: 7] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 02/19/2021] [Accepted: 03/04/2021] [Indexed: 11/03/2022]
Abstract
INTRODUCTION With advances in surgical and neonatal care, the survival of patients with oesophageal atresia (OA) has improved over time. Whereas a number of OA-related conditions (delayed primary anastomosis, anastomotic stricture and oesophageal dysmotility) may have an impact on feeding development and although children with OA experience several oral aversive events, paediatric feeding disorders (PFD) remain poorly described in this population. The primary aim of our study was to describe PFD in children born with OA, using a standardised scale. The secondary aim was to determine conditions associated with PFD. METHODS The Feeding Disorders in Children with Oesophageal Atresia Study is a national cohort study based on the OA registry from the French National Network. Parents of children born with OA between 2013 and 2016 in one of the 22 participating centres were asked to complete the French version of the Montreal Children's Hospital Feeding Scale. RESULTS Of the 248 eligible children, 145 children, with a median age of 2.3 years (Q1-Q3 1.8-2.9, min-max 1.1-4.0 years), were included. Sixty-one children (42%) developed PFD; 13% were tube-fed (n=19). Almost 40% of children with PFD failed to thrive (n=23). The presence of chronic respiratory symptoms was associated with the development of PFD. Ten children with PFD (16%) had no other condition or OA-related complication. CONCLUSION PFD are common in children with OA, and there is no typical profile of patients at risk of PFD. Therefore, all children with OA require a systematic screening for PFD that could improve the care and outcomes of patients, especially in terms of growth.
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Affiliation(s)
- Aurélie Pham
- AP-HP, Department of Neonatology, Armand-Trousseau Childrens Hospital, Paris, France
| | - Emmanuelle Ecochard-Dugelay
- AP-HP, Service des Maladies Digestives de l'Enfant, Hôpital Universitaire Mère-enfant Robert-Debré, Paris, France
| | - Arnaud Bonnard
- Department of General Pediatric Surgery, Robert Debre Children University Hospital, APHP, Paris, France
| | - Enora Le Roux
- AP-HP, Paris, France, Nord-Université de Paris, Hôpital Robert Debré, Unité d'épidémiologie clinique, Inserm, CIC 1426, Robert-Debré Hospital, Paris, France
| | - Thomas Gelas
- Hôpital Femme-Mère-Enfant, Service de Chirurgie Pédiatrique, CHU Lyon, Lyon, France
| | - Véronique Rousseau
- Pediatric Surgery, APHP, Hôpital Universitaire Necker-Enfants Malades, Paris, France
| | - Nadège Thomassin
- Hépato-Gastroentérologie Pédiatrique, University Hospital Centre Grenoble Alpes, Grenoble, France
| | - Isabelle Cabon-Boudard
- AP-HM, Service de Pédiatrie, Hôpital de la Timone, Marseille, Provence-Alpes-Côte d'Azu, France
| | - Audrey Nicolas
- Centre de Reference des Affections Chroniques et Malformatives de l'œsophage, CHU Lille, Lille, France
| | - Audrey Guinot
- Service de Chirurgie Infantile, CHU de Nantes, Hôpital Mère-enfant, Nantes, France
| | - Julie Rebeuh
- Department of Pediatrics, University Hospital Centre Strasbourg, Strasbourg, France
| | - Aurélie Le Mandat
- Service de Chirurgie Viscérale Pédiatrique, CHU de Toulouse, France, Hôpital des Enfants, Toulouse, France
| | - Djamal-Dine Djeddi
- Service de Pédiatrie Médicale, CHU Amiens Picardie, France, Pôle Femme Couple Enfant, Amiens, France
| | - Virginie Fouquet
- Paediatric Surgery, Paris South University Hospitals, Assistance Publique Hôpitaux de Paris, Le Kremlin Bicetre, France
| | - Aurélie Boucharny
- Service de Pédiatrie, CHU Dijon, France, Hôpital d'Enfants, Dijon, France
| | - Sabine Irtan
- Department of Pediatric Surgery, Armand-Trousseau Childrens Hospital, Paris, France
| | - Julie Lemale
- Department of Pediatric Gastroenterology, Armand-Trousseau Children's Hospital, Paris, France
| | - Aurélie Comte
- Service de Médecine Pédiatrique, CHU Besançon, Besançon, France
| | - Laure Bridoux-Henno
- Département de Médecine de l'Enfant et de l'Adolescent, CHU Rennes Unité de Nutrition, Rennes, France
| | - Claire Dupont-Lucas
- Pediatrics, Gastroenterology Unit, Centre Hospitalier Universitaire de Caen, Caen, France
| | - Georges Dimitrov
- Service de Chirurgie Pédiatrique, CHR d'Orléans, Orléans, France
| | - Anne Turquet
- Service de Pédiatrie, CHU La Réunion, La Reunion, France
| | - Corinne Borderon
- Service de pédiatrie, CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - Cécile Pelatan
- service de pédiatrie, CH Le Mans, Le Mans, Pays de la Loire, France
| | | | - Camille Jung
- Service de Pédiatrie, CH Intercommunal de Créteil, Creteil, France
| | - Stéphanie Willot
- Service de Médecine Pédiatrique, CHRU de Tours, Hôpital Clocheville, Tours, France
| | - Louise Montalva
- Department of General Pediatric Surgery, Robert Debre Children University Hospital, APHP, Paris, France
| | - Delphine Mitanchez
- Service de Néonatologie, CHRU de Tours, France, Hôpital Bretonneau, Tours, France
| | - Frederic Gottrand
- Centre de Reference des Affections Chroniques et Malformatives de l'œsophage, CHU Lille, Lille, France
| | - Marc Bellaiche
- AP-HP, Service des Maladies Digestives de l'Enfant, Hôpital Universitaire Mère-enfant Robert-Debré, Paris, France
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Greer M, Mitchell M, Li A, Salazar M, Pham A, Hsi R. Improvement of Medication-Refractory Lower Urinary Tract Symptoms After Prostate Radiation Therapy Using a Prostatic Urethral Lift System. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.889] [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: 11/15/2022]
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Leal T, Berz D, Rybkin I, Iams W, Bruno D, Blakely C, Spira A, Patel M, Waterhouse D, Richards D, Pham A, Jotte R, Garon E, Hong D, Shazer R, Yan X, Latven L, He K. 1191O MRTX-500: Phase II trial of sitravatinib (sitra) + nivolumab (nivo) in patients (pts) with non-squamous (NSQ) non-small cell lung cancer (NSCLC) progressing on or after prior checkpoint inhibitor (CPI) therapy. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1796] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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13
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Pham A, Sobrier ML, Giabicani E, Le Jules Fernandes M, Mitanchez D, Brioude F, Netchine I. Screening of patients born small for gestational age with the Silver-Russell syndrome phenotype for DLK1 variants. Eur J Hum Genet 2021; 29:1756-1761. [PMID: 34276055 DOI: 10.1038/s41431-021-00927-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 05/11/2021] [Accepted: 06/15/2021] [Indexed: 12/14/2022] Open
Abstract
Silver-Russell syndrome (SRS) is a rare imprinting disorder associated with prenatal and postnatal growth retardation. Loss of methylation (LOM) on chromosome 11p15 is observed in 40 to 60% of patients and maternal uniparental disomy (mUPD) for chromosome 7 (upd(7)mat) in ~5 to 10%. Patients with LOM or mUPD 14q32 can present clinically as SRS. Delta like non-canonical Notch ligand 1 (DLK1) is one of the imprinted genes expressed from chromosome 14q32. Dlk1-null mice display fetal growth restriction (FGR) but no genetic defects of DLK1 have been described in human patients born small for gestational age (SGA). We screened a cohort of SGA patients with a SRS phenotype for DLK1 variants using a next-generation sequencing (NGS) approach to search for new molecular defects responsible for SRS. Patients born SGA with a clinical suspicion of SRS and normal methylation by molecular testing at the 11p15 or 14q32 loci and upd(7)mat were screened for DLK1 variants using targeted NGS. Among 132 patients, only two rare variants of DLK1 were identified (NM_003836.6:c.103 G > C (p.(Gly35Arg) and NM_003836.6: c.194 A > G p.(His65Arg)). Both variants were inherited from the mother of the patients, which does not favor a role in pathogenicity, as the mono-allelic expression of DLK1 is from the paternal-inherited allele. We did not identify any pathogenic variants in DLK1 in a large cohort of SGA patients with a SRS phenotype. DLK1 variants are not a common cause of SGA.
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Affiliation(s)
- Aurélie Pham
- Sorbonne Université, INSERM UMR_S 938, Centre de Recherche Saint Antoine, AP-HP, Hôpital Armand Trousseau, service de néonatologie, Paris, France
| | - Marie-Laure Sobrier
- Sorbonne Université, INSERM UMR_S 938, Centre de Recherche Saint Antoine, Paris, France
| | - Eloïse Giabicani
- Sorbonne Université, INSERM UMR_S 938, Centre de Recherche Saint Antoine, APHP, Hôpital Armand Trousseau, Explorations Fonctionnelles Endocriniennes, Paris, France
| | | | - Delphine Mitanchez
- Sorbonne Université, INSERM UMR_S 938, Centre de Recherche Saint Antoine, Paris, France
| | - Fréderic Brioude
- Sorbonne Université, INSERM UMR_S 938, Centre de Recherche Saint Antoine, APHP, Hôpital Armand Trousseau, Explorations Fonctionnelles Endocriniennes, Paris, France
| | - Irène Netchine
- Sorbonne Université, INSERM UMR_S 938, Centre de Recherche Saint Antoine, APHP, Hôpital Armand Trousseau, Explorations Fonctionnelles Endocriniennes, Paris, France.
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Mehnaz M, Dracatos P, Pham A, March T, Maurer A, Pillen K, Forrest K, Kulkarni T, Pourkheirandish M, Park RF, Singh D. Discovery and fine mapping of Rph28: a new gene conferring resistance to Puccinia hordei from wild barley. Theor Appl Genet 2021; 134:2167-2179. [PMID: 33774682 DOI: 10.1007/s00122-021-03814-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 03/10/2021] [Indexed: 06/12/2023]
Abstract
A new gene Rph28 conferring resistance to barley leaf rust was discovered and fine-mapped on chromosome 5H from wild barley. Leaf rust is a highly destructive disease of barley caused by the fungal pathogen Puccinia hordei. Genetic resistance is considered to be the most effective, economical and eco-friendly approach to minimize losses caused by this disease. A study was undertaken to characterize and fine map a seedling resistance gene identified in a Hordeum vulgare ssp. spontaneum-derived barley line, HEB-04-101, that is broadly effective against a diverse set of Australian P. hordei pathotypes. Genetic analysis of an F3 population derived from a cross between HEB-04-101 and the H. vulgare cultivar Flagship (seedling susceptible) confirmed the presence of a single dominant gene for resistance in HEB-04-101. Selective genotyping was performed on representative plants from non-segregating homozygous resistant and homozygous susceptible F3 families using the targeted genotyping-by-sequencing (tGBS) assay. Putatively linked SNP markers with complete fixation were identified on the long arm of chromosome 5H spanning a physical interval between 622 and 669 Mb based on the 2017 Morex barley reference genome assembly. Several CAPS (cleaved amplified polymorphic sequences) markers were designed from the pseudomolecule sequence of the Morex assembly (v1.0 and v2.0), and 16 polymorphic markers were able to delineate the RphHEB locus to a 0.05 cM genetic interval spanning 98.6 kb. Based on its effectiveness and wild origin, RphHEB is distinct from all other designated Rph genes located on chromosome 5H and therefore the new locus symbol Rph28 is recommended for RphHEB in accordance with the rules and cataloguing system of barley gene nomenclature.
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Affiliation(s)
- M Mehnaz
- Plant Breeding Institute Cobbitty, School of Life and Environmental Sciences, University of Sydney, Narellan, NSW, Australia
| | - P Dracatos
- Plant Breeding Institute Cobbitty, School of Life and Environmental Sciences, University of Sydney, Narellan, NSW, Australia
| | - A Pham
- School of Agriculture, Food and Wine, University of Adelaide, Waite Campus, Urrbrae, SA, 5064, Australia
| | - T March
- School of Agriculture, Food and Wine, University of Adelaide, Waite Campus, Urrbrae, SA, 5064, Australia
| | - A Maurer
- Martin-Luther-University Halle-Wittenberg, Betty-Heimann-Str. 3, 06120, Halle/Saale, Germany
| | - K Pillen
- Martin-Luther-University Halle-Wittenberg, Betty-Heimann-Str. 3, 06120, Halle/Saale, Germany
| | - K Forrest
- Agriculture Victoria, AgriBio, Centre for AgriBioscience, Bundoora, Victoria, 3083, Australia
| | - T Kulkarni
- Agriculture Victoria, AgriBio, Centre for AgriBioscience, Bundoora, Victoria, 3083, Australia
| | - M Pourkheirandish
- Faculty of Veterinary and Agriculture, The University of Melbourne, Parkville, 3010, Australia
| | - R F Park
- Plant Breeding Institute Cobbitty, School of Life and Environmental Sciences, University of Sydney, Narellan, NSW, Australia
| | - D Singh
- Plant Breeding Institute Cobbitty, School of Life and Environmental Sciences, University of Sydney, Narellan, NSW, Australia.
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Santos J, Pham A, Stasinopoulos P, Giustozzi F. Recycling waste plastics in roads: A life-cycle assessment study using primary data. Sci Total Environ 2021; 751:141842. [PMID: 32890798 DOI: 10.1016/j.scitotenv.2020.141842] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 08/17/2020] [Accepted: 08/19/2020] [Indexed: 06/11/2023]
Abstract
The present study investigates - from an environmental perspective - the processes that lead to the conversion of waste plastics into recycled plastic pellets to be used either as an additive (wet method) or as a replacement of natural aggregate (dry method) in the production of asphalt mixes. Data from recycling facilities in Victoria, Australia, were collected and used as the basis for a comparative life cycle assessment (LCA) study. Analyses were conducted by considering several replacement ratios of virgin material by its recycled counterpart in the so-called wet and dry method. A case study considering the production of recycled-plastic asphalt to be applied in the construction of a typical surface layer of a road in Victoria was evaluated. In general, the results show that recycling plastics as a polymer for bitumen modification and as a synthetic aggregate replacement in asphalt mixes has the potential to be environmentally advantageous compared to their virgin counterpart (i.e. virgin polymers and natural quarry aggregates).
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Affiliation(s)
- J Santos
- Department of Construction Management and Engineering, University of Twente, Enschede, the Netherlands
| | - A Pham
- Civil and Infrastructure Engineering, RMIT University, Melbourne, Australia
| | - P Stasinopoulos
- Civil and Infrastructure Engineering, RMIT University, Melbourne, Australia
| | - F Giustozzi
- Civil and Infrastructure Engineering, RMIT University, Melbourne, Australia.
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16
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Lao Y, Yu V, Pham A, Wang T, Ruan D, Chang E, Sheng K, Yang W. Voxel-Wise GBM Recurrence Prediction Based On Post-Operative Multiparametric MR Images Using Multidimensional SVM Coupling With Stem Cell Niches Proximity Estimation. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.218] [Citation(s) in RCA: 1] [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: 11/25/2022]
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17
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Dinehart E, Leon Guerrero C, Pham A, Chandra S, Petersen SM, Bathgate S, Ahmadzia H. Extending the window for thrombolysis for treatment of acute ischaemic stroke during pregnancy: a review. BJOG 2020; 128:516-520. [PMID: 32920999 DOI: 10.1111/1471-0528.16495] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/26/2020] [Indexed: 11/29/2022]
Abstract
Historically, safety of intravenous recombinant tissue plasminogen activator (IV rt-PA) for the treatment of acute ischaemic stroke (AIS) is limited to use within 4.5 hours from symptom onset. Recent studies suggest the treatment window may be extended when patients have salvageable brain tissue on advanced neuroimaging. This paper describes a novel use of IV rt-PA for treatment of AIS in a pregnant patient within an extended-time window (>4.5 hours, and <9 hours) based on advanced neuroimaging with a favourable outcome. TWEETABLE ABSTRACT: Novel use of IV rt-PA for treatment of AIS in pregnancy within an extended-time window based on advanced imaging with a favourable outcome.
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Affiliation(s)
- E Dinehart
- Department of Obstetrics and Gynecology, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - C Leon Guerrero
- Department of Neurology, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - A Pham
- Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - S Chandra
- College of Medicine, The Ohio State University, Columbus, OH, USA
| | - S M Petersen
- Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - S Bathgate
- Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - H Ahmadzia
- Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
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18
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Richard N, Pham A, Thouvenin G. [Acute respiratory distress in children]. Rev Prat 2020; 70:e111-e114. [PMID: 32877112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Affiliation(s)
- Nicolas Richard
- Service de pneumologie pédiatrique, Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Trousseau ; Sorbonne Université, Paris, France
| | - Aurélie Pham
- Service de néonatologie, hôpital Trousseau, Paris, France, Inserm U938 ; centre de recherche Saint-Antoine, Paris, France, Sorbonne Université, Paris VI ; responsable des références universitaires de La Revue du Praticien
| | - Guillaume Thouvenin
- Service de pneumologie pédiatrique, Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Trousseau ; Sorbonne Université, Paris, France
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Roggenkamp C, Choi B, Chung J, Parhizkar R, Pham A, Robles R. Amalgam Strength Resistance to Various Contaminants. Oper Dent 2019; 44:E83-E96. [DOI: 10.2341/18-091-l] [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] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
SUMMARY
Purpose:
The purpose of this study was to quantify the relative strength tolerance of 1-day and 30-day amalgam following saturation contamination with water, saliva, blood, and handpiece lubricant oil during condensation.
Methods and Materials:
Valiant PhD XT amalgam was tested with 300 shear-strength (N=15) and 120 compressive-strength (N=6) specimens, divided into 1-day and 30-day groups, each with control, water, saliva, blood, and lubricant oil contamination samples. Shear specimens were condensed in 4 × 4-mm anchor wells inundated with contaminant fluids before adding a ring mold with 3.5-mm-diameter central hole adapted immediately to the top for continued condensation under contaminant-submerged conditions. Compressive specimen samples were condensed while completely inundated by each contaminant using the American Dental Association Specification No. 1 amalgam mold apparatus. All specimens were tested with the Instron E3000 and E10000 at 0.5 mm/min, with data statistically evaluated using the Kruskal-Wallis procedure with IBM SPSS v25 and Wilcoxon signed ranks test.
Results:
Shear test values (mean±SD) following intracapsular and extracapsular contamination after 30 days under 100% humidity at 37°C were as follows: control, 30.97±5.41 MPa; water, 30.63 ±4.41 MPa; saliva, 27.54 ±4.56 MPa; blood, 24.92 ±3.48 MPa; lubricant oil, 26.06 ±4.06 MPa. Compressive strengths (±SD) of similarly contaminated samples were as follows: control, 447.7 ±76.3 MPa; water, 343.6 ±70.1 MPa; saliva, 307.7 ±24.0 MPa; blood, 281.6 ±35.2 MPa; lubricant oil, 227.8 ±16.9 MPa.
Conclusions:
Saliva, blood, and handpiece oil diminish compressive strength significantly, but water shows no statistically significant effect (p>0.05). Amalgam 30-day shear strength is significantly altered by contamination with water, blood, or handpiece lubricant oil (p<0.05). Remaining amalgam strength after extensive contamination may still be clinically functional relative to a previous ADA recommendation and when compared with resin-based direct restorative materials.
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Affiliation(s)
- C Roggenkamp
- Clyde L. Roggenkamp, DDS, MSD, MPH, Restorative Dentistry, Loma Linda University, Loma Linda, CA, USA
| | - B Choi
- Brian J Choi, DDS student, Loma Linda University School of Dentistry, Anchorage, AK, USA
| | - J Chung
- Jae K Chung, DDS student, Loma Linda University School of Dentistry, Loma Linda, CA, USA
| | - R Parhizkar
- Reza Parhizkar, DDS student, Loma Linda University School of Dentistry, Redlands, CA, USA
| | - A Pham
- Anthony Pham, DDS student, Loma Linda University School of Dentistry, Corona, CA, USA
| | - R Robles
- Rodrigo Robles, DDS student, Loma Linda University School of Dentistry, Redlands, CA, USA
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Pham A, Bian S, Matsuo K, Zhuang A, Jennelle R, Ragab O. Adjuvant Hysterectomy after Primary Chemoradiation for Stage IB2 Cervical Cancer: Response Rates, Complications and Outcomes in the HDR Era. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.1727] [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: 11/27/2022]
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Naser-Tavakolian A, Jennelle R, Yoo S, Bian S, Matsuo K, Ye J, Pham A, Ragab O. Workflow Efficiency of High-Dose-Rate Cervical Brachytherapy in the Operating Room versus Ambulatory Setting at a Safety Net Hospital. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.1724] [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: 10/28/2022]
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22
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Ryu H, Galiguis J, Pham A, Le A. Blastocyst development and euploidy rate in single medium with continuous or renewal on day 3 using sibling embryos. Fertil Steril 2018. [DOI: 10.1016/j.fertnstert.2018.07.1008] [Citation(s) in RCA: 2] [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: 11/26/2022]
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23
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Abstract
Fetal growth restriction (FGR) can result from multiple causes, such as genetic, epigenetic, environment, hormonal regulation, or vascular troubles and their potential interaction. The physiopathology of FGR is not yet fully elucidated, but the insulin-like growth factor system is known to play a central role. Specific clinical features can lead to the identification of genetic syndromes in some patients. FGR leads to multiple global health concerns, from the perinatal period, with higher morbidity/mortality, through infancy, with neurodevelopmental, growth, and metabolic issues, to the onset of puberty and later in life, with subfertility and elevated risks of cardiovascular and kidney diseases. Adequate follow-up and therapeutics should be offered to these patients. We first review the main molecular etiologies leading to FGR and their specificities. We then highlight the main issues that FGR can raise later in life before concluding with the proposed management of these children.
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Affiliation(s)
- Eloïse Giabicani
- Sorbonne Université, INSERM, UMR_S 938 Centre de Recherche Saint Antoine, APHP, Hôpital Armand Trousseau, Explorations Fonctionnelles Endocriniennes, F-75012, Paris, France.
| | - Aurélie Pham
- Sorbonne Université, INSERM, UMR_S 938 Centre de Recherche Saint Antoine, APHP, Hôpital Armand Trousseau, Néonatologie, F-75012, Paris, France.
| | - Frédéric Brioude
- Sorbonne Université, INSERM, UMR_S 938 Centre de Recherche Saint Antoine, APHP, Hôpital Armand Trousseau, Explorations Fonctionnelles Endocriniennes, F-75012, Paris, France.
| | - Delphine Mitanchez
- Sorbonne Université, INSERM, UMR_S 938 Centre de Recherche Saint Antoine, APHP, Hôpital Armand Trousseau, Néonatologie, F-75012, Paris, France.
| | - Irène Netchine
- Sorbonne Université, INSERM, UMR_S 938 Centre de Recherche Saint Antoine, APHP, Hôpital Armand Trousseau, Explorations Fonctionnelles Endocriniennes, F-75012, Paris, France.
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Jiang F, Pham A, Yusin J. P012 Management of ongoing adalimumab local hypersensitivity reactions after rapid subcutaneous desensitization. Ann Allergy Asthma Immunol 2017. [DOI: 10.1016/j.anai.2017.08.081] [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: 10/18/2022]
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Nakamura R, Pham A, Gendzekhadze K, Min L, Pullarkat V, Al Malki M, O Donnell M, Cao T, Stein A, Khaled S, Ali H, Senitzer D, Michelle Afkhami M, Aoun P, Murata-Collins J, Forman S, Palmer J, Marcucci G, Pillai R, Aldoss I. Therapy-Related Myelodysplasia: Somatic Mutations and Allogeneic Hematopoietic Cell Transplantation Outcomes. Leuk Res 2017. [DOI: 10.1016/s0145-2126(17)30176-5] [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]
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Fosnacht AM, Patel S, Yucus C, Pham A, Rasmussen E, Frigerio R, Walters S, Maraganore D. From Brain Disease to Brain Health: Primary Prevention of Alzheimer's Disease and Related Disorders in a Health System Using an Electronic Medical Record-Based Approach. J Prev Alzheimers Dis 2017; 4:157-164. [PMID: 28856120 PMCID: PMC5573186 DOI: 10.14283/jpad.2017.3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND Alzheimer's disease and aging brain disorders are progressive, often fatal neurodegenerative diseases. Successful aging, modern lifestyles and behaviors have combined to result in an expected epidemic. Risks for these diseases include genetic, medical, and lifestyle factors; over 20 modifiable risks have been reported. OBJECTIVES We aim to primarily prevent Alzheimer's disease and related disorders through electronic medical record (EMR)-based screening, risk assessments, interventions, and surveillance. DESIGN We identified modifiable risks; developed human, systems and infrastructural resources; developed interventions; and targeted at-risk groups for the intervention. SETTING A Community Based Health System. PARTICIPANTS In year one (June 2015 to May 2016), 133 at-risk patients received brain health services with the goal of delaying or preventing Alzheimer's disease and related disorders. MEASUREMENTS We created mechanisms to identify patients at high risk of neurodegenerative disease; EMR-based structured clinical documentation support tools to evaluate risk factors and history; evidence-based interventions to modify risk; and the capacity for annual surveillance, pragmatic trials, and practice-based and genomic research using the EMR. RESULTS This paper describes our Center for Brain Health, our EMR tools, and our first year of healthy but at-risk patients. CONCLUSION We are translating research into primary prevention of Alzheimer's disease and related disorders in our health system and aim to shift the paradigm in Neurology from brain disease to brain health.
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Affiliation(s)
- A M Fosnacht
- NorthShore Neurological Institute, NorthShore University HealthSystem, Evanston, IL, USA
| | - S Patel
- NorthShore Neurological Institute, NorthShore University HealthSystem, Evanston, IL, USA
| | - C Yucus
- NorthShore Neurological Institute, NorthShore University HealthSystem, Evanston, IL, USA
| | - A Pham
- NorthShore Neurological Institute, NorthShore University HealthSystem, Evanston, IL, USA
| | - E Rasmussen
- NorthShore Neurological Institute, NorthShore University HealthSystem, Evanston, IL, USA
| | - R Frigerio
- NorthShore Neurological Institute, NorthShore University HealthSystem, Evanston, IL, USA
| | - S Walters
- Research Institute, NorthShore University HealthSystem, Evanston, IL, USA
| | - D Maraganore
- NorthShore Neurological Institute, NorthShore University HealthSystem, Evanston, IL, USA
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Wais M, Lee S, Liu G, Pham A, Tai M, Murji A. Surgical Experience with Ulipristal Acetate or Gonadotropin Releasing Hormone Agonists for Uterine Fibroids. J Minim Invasive Gynecol 2016. [DOI: 10.1016/j.jmig.2016.08.247] [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]
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28
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Ao L, Pham A, Xiao HY, Zu XT, Li S. Theoretical prediction of long-range ferromagnetism in transition-metal atom-doped d 0 dichalcogenide single layers SnS 2 and ZrS 2. Phys Chem Chem Phys 2016; 18:25151-25160. [PMID: 27711385 DOI: 10.1039/c6cp02206e] [Citation(s) in RCA: 15] [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] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have systematically investigated the effects of transition-metal (TM) atom (Sc-Zn) doping in 2D d0 materials SnS2 and ZrS2via the density functional theory method. Our results demonstrate that the conductivity and magnetism of SnS2 and ZrS2 can be engineered to spin-polarize half-metal/metal with appropriate TM dopants. For both materials, nontrivial magnetic interactions can be induced by V/Cr/Mn/Fe/Co doping. Specifically, the various behaviors of the magnetic exchanges in TM-doped SnS2 and ZrS2 are due to the competition between the super-exchange, the double exchange, and the p-d exchange interactions, which are dependent on the dopants' chemistry and spatial positions. Thus, our results give potential guidance for future experiments to create functionalized d0 nano-electronic devices.
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Affiliation(s)
- L Ao
- School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China and School of Material Science and Engineering, University of New South Wales, Sydney 2052, Australia.
| | - A Pham
- School of Material Science and Engineering, University of New South Wales, Sydney 2052, Australia.
| | - H Y Xiao
- School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - X T Zu
- School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - S Li
- School of Material Science and Engineering, University of New South Wales, Sydney 2052, Australia.
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29
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Pham A, Ryan N, Joscelyne A, Keller A, Ades V. Gynecologic needs among a population of survivors of torture in New York
City. Ann Glob Health 2016. [DOI: 10.1016/j.aogh.2016.04.486] [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: 10/21/2022] Open
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30
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Ao L, Pham A, Xiao HY, Zu XT, Li S. Engineering the electronic and magnetic properties of d(0) 2D dichalcogenide materials through vacancy doping and lattice strains. Phys Chem Chem Phys 2016; 18:7163-8. [PMID: 26888010 DOI: 10.1039/c5cp07548c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have systematically investigated the effects of different vacancy defects in 2D d(0) materials SnS2 and ZrS2 using first principles calculations. The theoretical results show that the single cation vacancy and the vacancy complex like V-SnS6 can induce large magnetic moments (3-4 μB) in these single layer materials. Other defects, such as V-SnS3, V-S, V-ZrS3 and V-ZrS6, can result in n-type conductivity. In addition, the ab initio studies also reveal that the magnetic and conductive properties from the cation vacancy and the defect complex V-SnS6 can be modified using the compressive/tensile strain of the in-plane lattices. Specifically, the V-Zr doped ZrS2 monolayer can be tuned from a ferromagnetic semiconductor to a metallic/half-metallic material with decreasing/increasing magnetic moments depending on the external compressive/tensile strains. On the other hand, the semiconducting and magnetic properties of V-Sn doped SnS2 is preserved under different lattice compression and tension. For the defect complex like V-SnS6, only the lattice compression can tune the magnetic moments in SnS2. As a result, by manipulating the fabrication parameters, the magnetic and conductive properties of SnS2 and ZrS2 can be tuned without the need for chemical doping.
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Affiliation(s)
- L Ao
- School of Material Science and Engineering, University of New South Wales, Sydney 2052, Australia and School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China.
| | - A Pham
- School of Material Science and Engineering, University of New South Wales, Sydney 2052, Australia
| | - H Y Xiao
- School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China.
| | - X T Zu
- School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China.
| | - S Li
- School of Material Science and Engineering, University of New South Wales, Sydney 2052, Australia
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Brockmann T, Pham A, Sonnleithner CV, Gonnermann J, Klamann MKJ, Torun N, Bertelmann E. Binokulare Trifokalität: Vergleich klinischer Ergebnisse voll-diffraktiver und apodisiert-diffraktiver bifokaler Multifokallinsen. Klin Monbl Augenheilkd 2015. [DOI: 10.1055/s-0035-1569159] [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]
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Pham A, Goodman K, Won E, Ilson D, Janjigian Y, Ku G, Rizk N, Bains M, Wu A. Comparison of Trimodality Therapy to Chemoradiation Alone in a Large Cohort of Patients With Adenocarcinoma of the Esophagus. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.983] [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]
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Pham A, Yorke E, Rimner A, Wu A. Potential for Interfraction Esophageal and Tumor Motion to Increase Esophageal Toxicity in Lung SBRT. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.2093] [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]
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Tonorezos ES, Stillwell EE, Calloway JJ, Glew T, Wessler JD, Rebolledo BJ, Pham A, Steingart RM, Lazarus H, Gale RP, Jakubowski AA, Schaffer WL. Arrhythmias in the setting of hematopoietic cell transplants. Bone Marrow Transplant 2015; 50:1212-6. [PMID: 26030046 PMCID: PMC4558298 DOI: 10.1038/bmt.2015.127] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2014] [Revised: 03/15/2015] [Accepted: 04/09/2015] [Indexed: 11/15/2022]
Abstract
Prior studies report 9–27% of persons receiving a hematopoietic cell transplant develop arrhythmias, but the effect on outcomes is largely unknown. We reviewed data from 1177 consecutive patients {greater than or equal to}40 years old receiving a hematopoietic cell transplant at one center during 1999–2009. Transplant indication was predominately leukemia, lymphoma and multiple myeloma. Overall, 104 patients were found to have clinically significant arrhythmia: 43 prior to and 61 following transplant. Post-transplant arrhythmias were most frequently atrial fibrillation(N=30), atrial flutter(N=7) and supraventricular tachycardia(N=11). Subjects with an arrhythmia post-transplant were more likely to have longer median hospital stays (32 days vs 23, P=<.001,) a greater probability of an ICU admission (52% vs 7%; P<.001), more inhospital deaths (28% vs 3%, P<0.001), and more deaths within one year of transplant (41% vs 15%; P<0.001) than patients without arrhythmia at any time. In a multivariate model including age at transplant, diagnosis, history of pre-transplant arrhythmia, and transplant-related variables, post-transplant arrhythmia was associated with a greater risk of death within a year of transplant (OR 3.5, 95% CI: 2.1, 5.9; P < 0.001). Our data suggest arrhythmias after transplants are associated with significant morbidity and mortality. A prospective study of arrhythmia in the transplant setting is warranted.
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Affiliation(s)
- E S Tonorezos
- Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY, USA.,Department of Medicine, Weill Cornell Medical College, New York, NY, USA
| | - E E Stillwell
- Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
| | - J J Calloway
- Department of Medicine, Hospital for Special Surgery, New York, NY, USA
| | - T Glew
- Department of Medicine, Beth Israel Medical Center, New York, NY, USA
| | - J D Wessler
- Department of Medicine, New York Presbyterian-Columbia, New York, NY, USA
| | - B J Rebolledo
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | - A Pham
- Department of Medicine, Weill Cornell Medical College, New York, NY, USA
| | - R M Steingart
- Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY, USA.,Department of Medicine, Weill Cornell Medical College, New York, NY, USA
| | - H Lazarus
- Department of Medicine, UH Case Medical Center, Cleveland, OH, USA
| | - R P Gale
- Haematology Research Centre, Division of Experimental Medicine, Department of Medicine, Imperial College London, London, UK
| | - A A Jakubowski
- Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY, USA.,Department of Medicine, Weill Cornell Medical College, New York, NY, USA
| | - W L Schaffer
- Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY, USA.,Department of Medicine, Weill Cornell Medical College, New York, NY, USA
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Tao-Cheng JH, Pham A, Yang Y, Winters CA, Gallant PE, Reese TS. Syntaxin 4 is concentrated on plasma membrane of astrocytes. Neuroscience 2014; 286:264-71. [PMID: 25485479 DOI: 10.1016/j.neuroscience.2014.11.054] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [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: 09/10/2014] [Revised: 11/25/2014] [Accepted: 11/25/2014] [Indexed: 01/30/2023]
Abstract
Syntaxins are a family of transmembrane proteins that participate in SNARE complexes to mediate membrane fusion events including exocytosis. Different syntaxins are thought to participate in exocytosis in different compartments of the nervous system such as the axon, the soma/dendrites or astrocytes. It is well known that exocytosis of synaptic vesicles at axonal presynaptic terminals involves syntaxin 1 but distributions of syntaxins on neuronal somal and dendritic, postsynaptic or astroglial plasma membranes are less well characterized. Here, we use pre-embedding immunogold labeling to compare the distribution of two plasma membrane-enriched syntaxins (1 and 4) in dissociated rat hippocampal cultures as well as in perfusion-fixed mouse brains. Comparison of Western blots of neuronal cultures, consisting of a mixture of hippocampal neurons and glia, with glial cultures, consisting of mostly astrocytes, shows that syntaxin 1 is enriched in neuronal cultures, whereas syntaxin 4 is enriched in glial cultures. Electron microscopy (EM)-immunogold labeling shows that syntaxin 1 is most abundant at the plasma membranes of axons and terminals, while syntaxin 4 is most abundant at astroglial plasma membranes. This differential distribution was evident even at close appositions of membranes at synapses, where syntaxin 1 was localized to the plasma membrane of the presynaptic terminal, including that at the active zone, while syntaxin 4 was localized to nearby peri-synaptic astroglial processes. These results show that syntaxin 4 is available to support exocytosis in astroglia.
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Affiliation(s)
- J-H Tao-Cheng
- EM Facility, NINDS, NIH, Bethesda, MD, United States.
| | - A Pham
- Laboratory of Neurobiology, NINDS, NIH, Bethesda, MD, United States
| | - Y Yang
- Laboratory of Neurobiology, NINDS, NIH, Bethesda, MD, United States
| | - C A Winters
- Laboratory of Neurobiology, NINDS, NIH, Bethesda, MD, United States
| | - P E Gallant
- Laboratory of Neurobiology, NINDS, NIH, Bethesda, MD, United States
| | - T S Reese
- Laboratory of Neurobiology, NINDS, NIH, Bethesda, MD, United States
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Pham A, Arora S, Wernicke A, Nori D, Chao K, Parashar B. Radiation Does Not Add to Cardiac Specific Death in Patients With Lung Cancer. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.204] [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: 10/24/2022]
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Parashar B, Pham A, Trichter S, Wernicke A, Nori D, Chao K. Significantly Improved Normal Tissue Dose Delivery of Brachytherapy Over SBRT for <5cm Lung Cancer: A Dosimetric Study of a Novel Lung Brachytherapy Technique. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.718] [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]
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Pham A, Yondorf M, Susan P, Boockvar J, Stieg P, Schwartz T, Scheff R, Parashar B, Nori D, Chao K, Wernicke A. Evaluation of Mini-mental Status Examination Score in a Prospective Study of Neurosurgical Resection and Intraoperative Cesium-131 Radioisotope Brachytherapy in Patients With Newly Diagnosed Brain Metastases. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.1083] [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]
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Macesic N, Chang C, Abbott IA, Trevillyan J, Pham A, Lewin SR. Pustular skin lesions in a patient with advanced HIV infection and pneumonia. Clin Infect Dis 2013; 57:1162-3; 1210-1. [PMID: 24068772 DOI: 10.1093/cid/cit485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- N Macesic
- Infectious Diseases Unit, Alfred Hospital
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Qi S, Lee S, Kupelian P, Pham A, Low D, DeMarco J. SU-E-T-696: Registry Based Framework for Plan Quality Improvement: A Head-And-Neck Radiotherapy Application Improving Simultaneous Integrated Boost Treatments. Med Phys 2013. [DOI: 10.1118/1.4815123] [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: 11/07/2022] Open
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Pham A, Kung R, Wong H, Liu G, Kroft J, Bodley J, Lee P. Same-Day Discharge Versus Overnight Stay after Laparoscopic Hysterectomy: A Prospective Assessment of Patient Safety and Patient Satisfaction. J Minim Invasive Gynecol 2012. [DOI: 10.1016/j.jmig.2012.08.422] [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]
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Pham A, Kung R, Liu G, Osborne R, Souvran L, Murphy K, Rahmani R. Laparoscopic Ovarian Cystectomy at 25 Weeks Gestation. J Minim Invasive Gynecol 2012. [DOI: 10.1016/j.jmig.2012.08.754] [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]
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Pham A, Kung R. Laparoscopic Adenomyomectomy: Effective Excision and Repair. J Minim Invasive Gynecol 2012. [DOI: 10.1016/j.jmig.2012.08.756] [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]
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Khorram N, Sugimoto K, Sheppard D, Rosenthal P, Cho J, Pham A, Miller M, Zuraw B, Croft M, Broide D, Doherty T. Alternaria Induces Stat-6 Dependent Acute Airway Eosinophilia And Epithelial Fizz1 Expression That Promotes Airway Fibrosis And Epithelial Thickness. J Allergy Clin Immunol 2012. [DOI: 10.1016/j.jaci.2011.12.698] [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: 11/28/2022]
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Pilgrim CHC, Brettingham-Moore K, Pham A, Murray W, Link E, Smith M, Usatoff V, Evans PM, Banting S, Thomson BN, Michael M, Phillips WA. Genetic correlations with chemotherapy-induced hepatic injury. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.3045] [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: 11/20/2022] Open
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Kiorpes L, von Trapp G, Pham A, Lingeman J, Soska K, Adolph K, von Hofsten C, Rosander K. Developmental studies of visual-motor integration: A comparative approach. J Vis 2010. [DOI: 10.1167/10.7.1078] [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] Open
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Oumaya M, Friedman S, Pham A, Abou Abdallah T, Guelfi JD, Rouillon F. Personnalité borderline, automutilations et suicide : revue de la littérature. Encephale 2008; 34:452-8. [PMID: 19068333 DOI: 10.1016/j.encep.2007.10.007] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2006] [Accepted: 10/08/2007] [Indexed: 10/22/2022]
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Abstract
We describe two all-fiber devices for converting light from the fundamental mode to the second-order set of modes in optical fibers. The first is made by controlled hole collapse in a photonic crystal fiber, and the second is a twisted fused coupler made from few-moded conventional fiber. As well as having applications within fiber optics, the devices can be used to generate azimuthally polarized free-space beams.
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Affiliation(s)
- A Witkowska
- Department of Physics, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
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Vokes TJ, Chinander M, Pham A, Wilkie J, Giger M. 68 CLINICAL UTILITY OF RADIOGRAPHIC TEXTURE ANALYSIS PERFORMED ON DENSITOMETRIC CALCANEAL IMAGES. J Investig Med 2007. [DOI: 10.1136/jim-55-02-68] [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: 11/03/2022]
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