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Berkenbaum C, Balu L, Sauvat F, Montbrun A, Harper L. Severe vaginal laceration in a 5-year-old girl caused by sudden hydro-distention. J Pediatr Adolesc Gynecol 2013; 26:e131-2. [PMID: 24001435 DOI: 10.1016/j.jpag.2013.05.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Revised: 05/08/2013] [Accepted: 05/10/2013] [Indexed: 10/26/2022]
Abstract
BACKGROUND Severe vaginal trauma in young girls is uncommon. We describe a 5-year-old girl who presented a vaginal laceration following sudden hydro-distention. CASE A 5-year-old girl was transferred to our institution for vaginal trauma with severe bleeding. Her brother had directed the nozzle of a functioning garden hose against her vulva. She presented pain and persistent vaginal bleeding without external genital lesions. Surgical exploration revealed a laceration of the right vaginal wall. The vagina was sutured and the bleeding stopped. SUMMARY AND CONCLUSION This case illustrates a rare mechanism of severe vaginal laceration, in a young girl, by hydro-distention. Though there are often no external lesions the internal lesions can be severe causing significant bleeding. Certainly in these cases aggressive diagnostic evaluation is necessary.
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Basu N, McClean A, Luqmani R, Harper L, Flossmann O, Jayne D, Little M, Amft E, Dhaun N, McLaren J, Kumar V, Erwig L, Jones G, Reid D, Macfarlane G. OP0124 Contextualising quality of life in ANCA associated vasculitis (AAV). Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.1807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Croft A, Smith S, Carr S, Youssouf S, Salama A, Pusey C, Harper L, Morgan M. THU0199 Successful outcomes of pregnancy in patients with ANCA vasculitis. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.2164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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De Napoli Cocci S, Morin S, Sauvat F, Michel JL, Harper L, Boutry S. Le syndrome de pince aorto-mésentérique (PAO), une complication évolutive à ne pas méconnaître, des pseudo-obstruction intestinale chronique (POIC). Arch Pediatr 2013. [DOI: 10.1016/j.arcped.2013.02.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Gayed M, Leone F, Toescu V, Bruce I, Giles I, Teh LS, McHugh N, Edwards C, Akil M, Khamashta M, Gordon C, Parker B, Urowitz M, Gladman D, Lunt M, Bruce I, Redmond A, Alcacer-Pitarch B, Gray J, Denton C, Herrick A, Navarro-Coy N, Collier H, Loughrey L, Pavitt S, Siddle H, Wright J, Helliwell P, Emery P, Buch M, Abrol E, Pulido CG, Isenberg DA, Kia S, Patil P, Williams M, Adizie T, Christidis D, Gordon T, Borg FA, Jain S, Dasgupta B, Robson J, Doll H, Yew S, Flossmann O, Suppiah R, Harper L, Hoglund P, Jayne D, Mukhtyar C, Westman K, Luqmani R, Al-Mossawi MH, Ridley A, Wong I, Kollnberger S, Shaw J, Bowness P, Di Cicco M, Humby F, Kelly S, Ng N, Hands R, Dadoun S, Buckley C, McInnes IB, Taylor P, Bombardieri M, Pitzalis C, Mansour S, Tocheva A, Goulston L, Platten H, Edwards C, Cooper C, Gadola SD, Lugli E, Lundberg K, Bracke K, Brusselle G, Venables PJ, Sanchez-Blanco C, Cornish G, Burn G, Saini M, Brownlie R, Klavinskis L, Williams R, Thompson S, Svensson L, Zamoyska R, Cope A, Hong CF, Khan K, Alade R, Nihtyanova SI, Ong VH, Denton CP, Scott DL, Ibrahim F, Kelly C, Birrell F, Chakravarty K, Walker D, Maddison P, Kingsley G, Cohen C, Karaderi T, Appleton L, Keidel S, Pointon J, Ridley A, Bowness P, Wordsworth P, Williams MA, Heine PJ, McConkey C, Lord J, Dosanjh S, Williamson E, Adams J, Underwood M, Lamb SE. Oral Abstracts 1: Connective Tissue Disease * O1. Long-Term Outcomes of Children Born to Mothers with SLE. Rheumatology (Oxford) 2013. [DOI: 10.1093/rheumatology/ket199] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Karrar S, Shiwen X, Nikotorowicz-Buniak J, Abraham DJ, Denton C, Stratton R, Bayley R, Kite KA, Clay E, Smith JP, Kitas GD, Buckley C, Young SP, Ye L, Zhang L, Goodall J, Gaston H, Xu H, Lutalo PM, Zhao Y, Meng Choong L, Sangle S, Spencer J, D'Cruz D, Rysnik OJ, McHugh K, Bowness P, Rump-Goodrich L, Mattey D, Kehoe O, Middleton J, Cartwright A, Schmutz C, Askari A, Middleton J, Gardner DH, Jeffery LE, Raza K, Sansom DM, Clay E, Bayley R, Fitzpatrick M, Wallace G, Young S, Shaw J, Hatano H, Cauli A, Giles JL, McHugh K, Mathieu A, Bowness P, Kollnberger S, Webster S, Ellis L, O'Brien LM, Fitzmaurice TJ, Gaston H, Goodall J, Nazeer Moideen A, Evans L, Osgood L, Williams A, Jones S, Thomas C, O'Donnell V, Nowell M, Ouboussad L, Savic S, Dickie LJ, Hintze J, Wong CH, Cook GP, Buch M, Emery P, McDermott MF, Hardcastle SA, Gregson CL, Deere K, Davey Smith G, Dieppe P, Tobias JH, Dennison E, Edwards M, Bennett J, Coggon D, Palmer K, Cooper C, McWilliams D, Young A, Kiely PD, Walsh D, Taylor HJ, Harding I, Hutchinson J, Nelson I, Blom A, Tobias J, Clark E, Parker J, Bukhari M, McWilliams D, Jayakumar K, Young A, Kiely P, Walsh D, Diffin J, Lunt M, Marshall T, Chipping J, Symmons D, Verstappen S, Taylor HJ, Harding I, Hutchinson J, Nelson I, Tobias J, Clark E, Bluett J, Bowes J, Ho P, McHugh N, Buden D, Fitzgerald O, Barton A, Glossop JR, Nixon NB, Emes RD, Dawes PT, Farrell WE, Mattey DL, Scott IC, Steer S, Seegobin S, Hinks AM, Eyre S, Morgan A, Wilson AG, Hocking L, Wordsworth P, Barton A, Worthington J, Cope A, Lewis CM, Guerra S, Ahmed BA, Denton C, Abraham D, Fonseca C, Robinson J, Taylor J, Haroon Rashid L, Flynn E, Eyre S, Worthington J, Barton A, Isaacs J, Bowes J, Wilson AG, Barrett JH, Morgan A, Kingston B, Ahmed M, Kirwan JR, Marshall R, Chapman K, Pearson R, Heycock C, Kelly C, Rynne M, Saravanan V, Hamilton J, Saeed A, Coughlan R, Carey JJ, Farah Z, Matthews W, Bell C, Petford S, Tibbetts LM, Douglas KMJ, Holden W, Ledingham J, Fletcher M, Winfield R, Price Z, Mackay K, Dixon C, Oppong R, Jowett S, Nicholls E, Whitehurst D, Hill S, Hammond A, Hay E, Dziedzic K, Righetti C, Lebmeier M, Manning VL, Hurley M, Scott DL, Choy E, Bearne L, Nikiphorou E, Morris S, James D, Kiely P, Walsh D, Young A, Wong EC, Long J, Fletcher A, Fletcher M, Holmes S, Hockey P, Abbas M, Chattopadhyay C, Flint J, Gayed M, Schreiber K, Arthanari S, Nisar M, Khamashta M, Gordon C, Giles I, Robson J, Kiran A, Maskell J, Arden N, Hutchings A, Emin A, Culliford D, Dasgupta B, Hamilton W, Luqmani R, Jethwa H, Rowczenio D, Trojer H, Russell T, Loeffler J, Hawkins P, Lachmann H, Verma I, Syngle A, Krishan P, Garg N, Flint J, Gayed M, Schreiber K, Arthanari S, Nisar M, Khamashta M, Gordon C, Giles I, McGowan SP, Gerrard DT, Chinoy H, Ollier WE, Cooper RG, Lamb JA, Taborda L, Correia Azevedo P, Isenberg D, Leyland KM, Kiran A, Judge A, Hunter D, Hart D, Javaid MK, Arden N, Cooper C, Edwards MH, Litwic AE, Jameson KA, Deeg D, Cooper C, Dennison E, Edwards MH, Jameson KA, Cushnaghan J, Aihie Sayer A, Deeg D, Cooper C, Dennison E, Jagannath D, Parsons C, Cushnaghan J, Cooper C, Edwards MH, Dennison E, Stoppiello L, Mapp P, Ashraf S, Wilson D, Hill R, Scammell B, Walsh D, Wenham C, Shore P, Hodgson R, Grainger A, Aaron J, Hordon L, Conaghan P, Bar-Ziv Y, Beer Y, Ran Y, Benedict S, Halperin N, Drexler M, Mor A, Segal G, Lahad A, Haim A, Rath U, Morgensteren DM, Salai M, Elbaz A, Vasishta VG, Derrett-Smith E, Hoyles R, Khan K, Abraham DJ, Denton C, Ezeonyeji A, Takhar G, Denton C, Ong V, Loughrey L, Bissell LA, Hensor E, Abignano G, Redmond A, Buch M, Del Galdo F, Hall FC, Malaviya A, Nisar M, Baker S, Furlong A, Mitchell A, Godfrey AL, Ruddlesden M, Hadjinicolaou A, Hughes M, Moore T, O'Leary N, Tracey A, Ennis H, Dinsdale G, Roberts C, Herrick A, Denton CP, Guillevin L, Hunsche E, Rosenberg D, Schwierin B, Scott M, Krieg T, Anderson M, Hall FC, Herrick A, McHugh N, Matucci-Cerinic M, Alade R, Khan K, Xu S, Denton C, Ong V, Nihtyanova S, Ong V, Denton CP, Clark KE, Tam FWK, Unwin R, Khan K, Abraham DJ, Denton C, Stratton RJ, Nihtyanova S, Schreiber B, Ong V, Denton CP, Seng Edwin Lim C, Dasgupta B, Corsiero E, Sutcliffe N, Wardemann H, Pitzalis C, Bombardieri M, Tahir H, Donnelly S, Greenwood M, Smith TO, Easton V, Bacon H, Jerman E, Armon K, Poland F, Macgregor A, van der Heijde D, Sieper J, Elewaut D, Pangan AL, Nguyen D, Badenhorst C, Kirby S, White D, Harrison A, Garcia JA, Stebbings S, MacKay JW, Aboelmagd S, Gaffney K, van der Heijde D, Deodhar A, Braun J, Mack M, Hsu B, Gathany T, Han C, Inman RD, Cooper-Moss N, Packham J, Strauss V, Freeston JE, Coates L, Nam J, Moverley AR, Helliwell P, Hensor E, Wakefield R, Emery P, Conaghan P, Mease P, Fleischmann R, Wollenhaupt J, Deodhar A, Kielar D, Woltering F, Stach C, Hoepken B, Arledge T, van der Heijde D, Gladman D, Fleischmann R, Coteur G, Woltering F, Mease P, Kavanaugh A, Gladman D, van der Heijde D, Purcaru O, Mease P, McInnes I, Kavanaugh A, Gottlieb AB, Puig L, Rahman P, Ritchlin C, Li S, Wang Y, Mendelsohn A, Doyle M, Tillett W, Jadon D, Shaddick G, Cavill C, Robinson G, Sengupta R, Korendowych E, de Vries C, McHugh N, Thomas RC, Shuto T, Busquets-Perez N, Marzo-Ortega H, McGonagle D, Tillett W, Richards G, Cavill C, Sengupta R, Shuto T, Marzo-Ortega H, Thomas RC, Bingham S, Coates L, Emery P, John Hamlin P, Adshead R, Cambridge S, Donnelly S, Tahir H, Suppiah P, Cullinan M, Nolan A, Thompson WM, Stebbings S, Mathieson HR, Mackie SL, Bryer D, Buch M, Emery P, Marzo-Ortega H, Krutikov M, Gray L, Bruce E, Ho P, Marzo-Ortega H, Busquets-Perez N, Thomas RC, Gaffney K, Keat A, Innes W, Pandit R, Kay L, Lapshina S, Myasoutova L, Erdes S, Wallis D, Waldron N, McHugh N, Korendowych E, Thorne I, Harris C, Keat A, Garg N, Syngle A, Vohra K, Khinchi D, Verma I, Kaur L, Jones A, Harrison N, Harris D, Jones T, Rees J, Bennett A, Fazal S, Tugnet N, Barkham N, Basu N, McClean A, Harper L, Amft EN, Dhaun N, Luqmani RA, Little MA, Jayne DR, Flossmann O, McLaren J, Kumar V, Reid DM, Macfarlane GJ, Jones G, Yates M, Watts RA, Igali L, Mukhtyar C, Macgregor A, Robson J, Doll H, Yew S, Flossmann O, Suppiah R, Harper L, Hoglund P, Jayne D, Mukhtyar C, Westman K, Luqmani R, Win Maw W, Patil P, Williams M, Adizie T, Christidis D, Borg F, Dasgupta B, Robertson A, Croft AP, Smith S, Carr S, Youssouf S, Salama A, Pusey C, Harper L, Morgan M. Basic Science * 208. Stem Cell Factor Expression is Increased in the Skin of Patients with Systemic Sclerosis and Promotes Proliferation and Migration of Fibroblasts in vitro. Rheumatology (Oxford) 2013. [DOI: 10.1093/rheumatology/ket195] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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Husmann CA, Holle JU, Moosig F, Mueller S, Wilde B, Cohen Tervaert JW, Harper L, Assmann G, Gross WL, Epplen JT, Wieczorek S. Genetics of toll like receptor 9 in ANCA associated vasculitides. Ann Rheum Dis 2013; 73:890-6. [PMID: 23592712 DOI: 10.1136/annrheumdis-2012-202803] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
OBJECTIVES To investigate the contribution of genetic polymorphisms of toll like receptor (TLR) 9 and related genes on the susceptibility and clinical manifestation of anti-neutrophil cytoplasmic antibody (ANCA) associated vasculitides (AAV). METHODS Four single nucleotide polymorphisms (SNPs) in TLR9 were genotyped in 863 German AAV cases and 1344 healthy controls. Significant results were replicated in a cohort of 426 Dutch and British AAV cases. 11 polymorphisms in TLR9 related genes were studied concomitantly. RESULTS A strong association of TLR9 genotypes and haplotypes with granulomatosis with polyangiitis was observed as well as a contrariwise association with microscopic polyangiitis. The association was confirmed when cases were compared according to ANCA status rather than to clinical entity. This was partly replicated in the second cohort leading to a striking overall difference in TLR9 allele/haplotype frequencies between proteinase 3 (PR3) ANCA+ and myeloperoxidase (MPO) ANCA+ cases (p=0.00000398, pc=0.000016, OR 1.68 (95% CI 1.35 to 2.1) for rs352140; p=0.000011, pc=0.000044, OR 1.64 (95% CI 1.31 to 2.04) for a 3-SNP haplotype). No significant association or epistatic effect was detected for TLR9 related genes: interleukin 6, interleukin 23 receptor, myeloid differentiation primary response 88, TNF receptor-associated factor 6, interleukin-1 receptor-associated kinase 4, discs large homolog 5 and nucleotide-binding oligomerisation domain containing 2. CONCLUSIONS We provide further evidence that PR3-ANCA+ AAV differs genetically from MPO-ANCA+ AAV. TLR9 signalling may be involved in disease pathology, favouring models of infectious agents triggering AAV development.
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Morgan M, Richter A, Flint J, Drayson M, Yiannakis C, Goldblatt D, Harper L. Infection risk in ANCA-associated vasculitis. Presse Med 2013. [DOI: 10.1016/j.lpm.2013.02.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Salama A, Gabrel M, Koteci A, Harper L, Jayne D, Nitsch D, Daniel R, Naylor E, Little M. Use of an empirically derived cyclophosphamide dosing nomogram for treatment of vasculitis. Presse Med 2013. [DOI: 10.1016/j.lpm.2013.02.299] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Mcclean A, Basu N, Jones D, Morgan M, Bosch J, Harper L. Severe fatigue and psychological morbidity in ANCA-associated vasculitis. Presse Med 2013. [DOI: 10.1016/j.lpm.2013.02.231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Basu N, Mcclean A, Harper L, Little M, Luqmani R, Flossmann O, Jayne D, Dhaun N, Kumar V, Mclaren J, Amft E, Erwig L, Macfarlane G, Reid D, Jones G. Markers for work disability in ANCA-associated vasculitis. Presse Med 2013. [DOI: 10.1016/j.lpm.2013.02.223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Fleischmann R, van Vollenhoven RF, Smolen J, Emery P, Florentinus S, Rathmann S, Kupper H, Kavanaugh A, Taylor P, Genovese M, Keystone EC, Drescher E, Berclaz PY, Lee C, Fidelus-Gort R, Schlichting D, Beattie S, Luchi M, Macias W, Kavanaugh A, Emery P, van Vollenhoven RF, Dikranian AH, Alten R, Klearman M, Musselman D, Agarwal S, Green J, Gabay C, Weinblatt ME, Schiff MH, Fleischmann R, Valente R, van der Heijde D, Citera G, Zhao C, Maldonado MA, Rakieh C, Nam JL, Hunt L, Villeneuve E, Bissell LA, Das S, Conaghan P, McGonagle D, Wakefield RJ, Emery P, Wright HL, Thomas HB, Moots R, Edwards SW, Hamann P, Heward J, McHugh N, Lindsay MA, Haroon M, Giles JT, Winchester R, FitzGerald O, Karaderi T, Cohen CJ, Keidel S, Appleton LH, Macfarlane GJ, Siebert S, Evans D, Paul Wordsworth B, Plant D, Bowes J, Orozco G, Morgan AW, Wilson AG, Isaacs J, Barton A, Williams FM, Livshits G, Spector T, MacGregor A, Williams FM, Scollen S, Cao D, Memari Y, Hyde CL, Zhang B, Sidders B, Ziemek D, Shi Y, Harris J, Harrow I, Dougherty B, Malarstig A, McEwen R, Stephens JL, Patel K, Shin SY, Surdulescu G, He W, Jin X, McMahon SB, Soranzo N, John S, Wang J, Spector TD, Baker J, Litherland GJ, Rowan AD, Kite KA, Bayley R, Yang P, Smith JP, Williams J, Harper L, Kitas GD, Buckley C, Young SP, Fitzpatrick MA, Young SP, McGettrick HM, Filer A, Raza K, Nash G, Buckley C, Muthana M, Davies H, Khetan S, Adeleke G, Hawtree S, Tazzyman S, Morrow F, Ciani B, Wilson G, Quirke AM, Lugli E, Wegner N, Charles P, Hamilton B, Chowdhury M, Ytterberg J, Potempa J, Fisher B, Thiele G, Mikuls T, Venables P, Adebajo AO, Kavanaugh A, Mease P, Gomez-Reino JJ, Wollenhaupt J, Hu C, Stevens R, Sieper J, van der Heijde D, Dougados M, Van den Bosch F, Goupille P, Rathmann SS, Pangan AL, van der Heijde D, Sieper J, Maksymowych WP, Brown MA, Rathmann S, Pangan AL, Sieper J, van der Heijde D, Elewaut D, Pangan AL, Anderson J, Haroon M, Ramasamy P, O'Rourke M, Murphy C, Fitzgerald O, Jani M, Moore S, Mirjafari H, Macphie E, Chinoy H, Rao C, McLoughlin Y, Preeti S. Oral Abstracts 7: RA Clinical * O37. Long-Term Outcomes of Early RA Patients Initiated with Adalimumab Plus Methotrexate Compared with Methotrexate Alone Following a Targeted Treatment Approach. Rheumatology (Oxford) 2013. [DOI: 10.1093/rheumatology/ket198] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Göçeroğlu A, Rahmattulla C, Berden A, Reinders M, Van Dijk M, De Joode A, Peutz-Kootstra C, Christiaans M, Noorlander I, Goldschmeding R, Van Zuilen A, Steenbergen E, Hilbrands L, Harper L, Little M, Hagen E, Bruijn J, Bajema I. Dutch transplantation in vasculitis (DUTRAVAS)-study: Update on the outcome of renal transplantation in ANCA-associated vasculitis (AAV) patients in the Netherlands. Presse Med 2013. [DOI: 10.1016/j.lpm.2013.02.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Harper L, Abbo O, Prost S, Michel JL, Soubirou JL, Sauvat F. Combined laparoscopic-assisted nephrectomy, augmentation ureterocystoplasty and Mitrofanoff appendicovesicostomy. J Pediatr Urol 2013; 9:e94-7. [PMID: 23141002 DOI: 10.1016/j.jpurol.2012.10.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2012] [Accepted: 10/02/2012] [Indexed: 11/20/2022]
Abstract
Conventional and robotic-assisted laparoscopy is being used for more and more complex urological procedures in children. There have recently been reports of laparoscopic or laparoscopic-assisted appendicovesicostomies in children. We report a case of combined laparoscopic-assisted nephrectomy, augmentation ureterocystoplasty and Mitrofanoff appendicovesicostomy in a 5-year-old boy with valve bladder syndrome.
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Abbo O, Mouttalib S, L'Kaissi M, Sauvat F, Accadbled F, Harper L. Delayed diagnosis of neurological bladder following spinal cord injury without radiological abnormality. Pediatr Neurosurg 2013; 49:183-5. [PMID: 24685670 DOI: 10.1159/000360402] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2013] [Accepted: 01/16/2014] [Indexed: 11/19/2022]
Abstract
Spinal cord injuries are a well-known cause of neurological bladder and a well-known complication of high-velocity trauma. They can, however, be difficult to diagnose in young children, in whom the absence of initial neurological symptoms and normality of the radiological workup can be falsely reassuring. Management of associated injuries can further delay diagnosis. We present 2 cases of spinal cord injuries without radiological abnormality revealed by delayed bladder retention.
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Fievet L, Harper L, Chirpaz E, Michel JL, Sauvat F. Penile length is comparable in boys with and without hypospadias. J Pediatr Urol 2012; 8:493-6. [PMID: 22030456 DOI: 10.1016/j.jpurol.2011.10.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2011] [Accepted: 10/11/2011] [Indexed: 11/19/2022]
Abstract
INTRODUCTION It has been suggested that penile length is negatively correlated to the degree of hypospadias; however, there are no studies in the literature actually comparing penile length in normal patients and patients with hypospadias. MATERIAL AND METHOD Between January and May 2011, we measured penile length in two groups of children aged up to 5 years. The first group comprised all boys admitted for hypospadias (40 patients; 25 distal and 15 proximal hypospadias). The control group comprised 100 boys seen for other surgical procedures excluding those with endocrine disorders. We measured the length of the dorsal aspect of the penis in the flaccid state, without stretching. We then established, using our control group, a range of 'normal' values for penile length in our population and determined whether children with hypospadias were within this 'normal' range. RESULTS Mean penile length in the control group was 4.07 ± 0.92 cm, mean penile length in the hypospadias group was 4.36 ± 0.9 cm (4.48 ± 0.89 cm for distal hypospadias and 4.21 ± 0.79 cm for proximal hypospadias). There was no difference in penile length between the hypospadias group and the control group regardless of degree of hypospadias. CONCLUSION This study indicates that penile length in children with hypospadias whether proximal or distal is within the normal range.
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Le Nué R, Harper L, De Sèze M, Bouteiller C, Goossens D, Dobremez E. Evolution of the management of acquired neurogenic bladder in children using intradetrusor botulinum toxin type A injections: 5-year experience and perspectives. J Pediatr Urol 2012; 8:497-503. [PMID: 22115699 DOI: 10.1016/j.jpurol.2011.09.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2011] [Accepted: 09/29/2011] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To report the clinical and urodynamic results of repeated intradetrusor botulinum toxin type A injections in children with an acquired neurogenic bladder. PATIENTS AND METHOD We reviewed the data of 8 patients presenting an acquired neurogenic bladder treated between 2005 and 2010. Their mean age was 12.4 years old (range: 5-18). They were all on clean intermittent catheterization. All patients presented detrusor overactivity resistant to oral anticholinergic treatment. They received between 2 and 6 injections at a dose of 12 botulinum toxin units (BU)/kg (maximum 300 BU). Cystometry was performed 4-8 weeks after treatment. RESULTS Five patients became completely dry, 2 were only rarely wet, and data are lacking for 1 patient. Febrile urinary tract infections ceased after 1 or 2 injections. The mean maximal detrusor pressure decreased below 40 cmH(2)O after 1, 2 and 3 injections. The normalized safe capacity rose significantly after 1, 2 and 3 injections. The normalized maximal bladder capacity rose similarly after 1, 2 and 3 injections although not always significantly. CONCLUSION Intradetrusor botulinum toxin-A injections significantly reduce detrusor pressure and can be repeated with efficacy. They have their place in between anticholinergic treatment and surgery. The procedure could be simplified and the dosage reduced.
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Andrews P, McGregor S, Golden C, Etherton J, Allen C, Cormier R, Cumley N, Elek M, Green M, Ogbeide S, Kruger A, Pacheco L, Robinson G, Welch H, Etherton J, Allen C, Cormier R, Cumley N, Kruger A, Pacheco L, Glover M, Parriott D, Jones W, Loe S, Hughes L, Natta L, Moses J, Vincent A, Roebuck-Spencer T, Bryan C, Padua M, Denney R, Moses J, Quenicka W, McGoldirck K, Bennett T, Soper H, Collier S, Connolly M, Hanratty A, Di Pinto M, Magnuson S, Dunham K, Handel E, Davidson K, Livers E, Frantz S, Allen J, Jerard T, Moses J, Pierce S, Sakhai S, Newton S, Warchol A, Holland A, Bunting J, Coe M, Carmona J, Harrison D, Barney S, Thaler N, Sutton G, Strauss G, Allen D, Hunter B, Bennett T, Quenicka W, McGoldrick K, Soper H, Sordahl J, Torrence N, John S, Gavett B, O'Bryant S, Shadi S, Denney R, Nichols C, Riccio C, Cohen M, Dennison A, Wasserman T, Schleicher-Dilks S, Adler M, Golden C, Olivier T, Schleicher-Dilks S, Golden C, LeMonda B, McGinley J, Pritchett A, Chang L, Cloak C, Cunningham E, 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Weaver J, Buchholz A, Gordon B, Macciocchi S, Seel R, Godsall R, Brotsky J, DiRocco A, Houghton-Faryna E, Bolinger E, Hollenbeck C, Hart J, Thaler N, Vertinski M, Ringdahl E, Allen D, Lee B, Strauss G, Adams J, Martins D, Catalano L, Waltz J, Gold J, Haas G, Brown L, Luther J, Goldstein G, Kiely T, Kelley E, Lin G, Su S, Raba C, Gomez R, Trettin L, Solvason H, Schatzberg A, Keller J, Vertinski M, Thaler N, Allen D, Gold J, Buchanan R, Strauss G, Baldock D, Ringdahl E, Sutton G, Thaler N, Allen D, Fallows R, Marceaux J, McCoy K, Yehyawi N, Luther E, Hilsabeck R, Etherton J, Phelps T, Richmond S, Tapscott B, Thomlinson S, Cordeiro L, Wilkening G, Parikh M, Graham L, Grosch M, Hynan L, Weiner M, Cullum C, Hobson Balldin V, Menon C, Younes S, Hall J, Strutt A, Pavlik V, Marquez de la Plata C, Cullum M, Lacritz L, Reisch J, Massman P, Royall D, Barber R, O'Bryant S, Castro-Couch M, Irani F, Houshyarnejad A, Norman M, Peery S, Fonseca F, Bure-Reyes A, Browne B, Alvarez J, Jiminez Y, Baez V, Cortes L, Golden C, Fonseca F, Bure-Reyes A, Coad S, Alvarez J, Browne B, Baez V, Golden C, Resendiz C, Scott B, Farias G, York M, Lozano V, Mahoney M, Strutt A, Hernandez Mejia M, Puente A, Bure-Reyes A, Fonseca F, Baez V, Alvarez J, Browne B, Coad S, Jiminez Y, Cortes L, Golden C, Bure-Reyes A, Pacheco E, Homs A, Acevedo A, Ownby R, Nici J, Hom J, Lutz J, Dean R, Finch H, Pierce S, Moses J, Mann S, Feinberg J, Choi A, Kaminetskaya M, Pierce C, Zacharewicz M, Axelrod B, Gavett B, Horwitz J, Edwards M, O'Bryant S, Ory J, Gouvier W, Carbuccia K, Ory J, Carbuccia K, Gouvier W, Morra L, Garcon S, Lucas M, Donovick P, Whearty K, Campbell K, Camlic S, Donovick P, Edwards M, Balldin V, Hall J, Strutt A, Pavlik V, Marquez de la Plata C, Cullum C, Lacritz L, Reisch J, Massman P, Barber R, Royall D, Younes S, O'Bryant S, Brinckman D, Schultheis M, Ehrhart L, Weisser V, Medaglia J, Merzagora A, Reckess G, Ho T, Testa S, Gordon B, Schretlen D, Woolery H, Farcello C, Klimas N, Thaler N, Allen D, Meyer J, Vargas G, Rabinowitz A, Barwick F, Arnett P, Womble M, Rohling M, Hill B, Corley E, Drayer K, Rohling M, Ploetz D, Womble M, Hill B, Baldock D, Ringdahl E, Sutton G, Thaler N, Allen D, Galusha J, Schmitt A, Livingston R, Stewart R, Quarles L, Pagitt M, Barke C, Baker A, Baker N, Cook N, Ahern D, Correia S, Resnik L, Barnabe K, Gnepp D, Benjamin M, Zlatar Z, Garcia A, Harnish S, Crosson B, Rickards T, Mark V, Taub E, Sterling C, Vaughan L, Uswatte G, Fedio A, Sexton J, Cummings S, Logemann A, Lassiter N, Fedio P, Gremillion A, Nemeth D, Whittington T, Hansen R, Reckow J, Ferraro F, Lewandowski C, Cole J, Lewandowski A, Spector J, Ford-Johnson L, Lengenfelder J, Genova H, Sumowski J, DeLuca J, Chiaravalloti N, Loughan A, Perna R, Hertza J, Morse C, McKeever J, Zhao L, Leist T, Schultheis M, Marcinak J, Piecora K, Al-Khalil K, Webbe F, Mulligan K, Robbins J, Berthelson L, Martin P, Golden C, Piecora K, Marcinak J, Al-Khalil K, Webbe F, Mulligan K, Stewart J, Acevedo A, Ownby R, Thompson L, Kowalczyk W, Golub S, Davis A, Lemann E, Piehl J, Rita N, Moss L, Davis A, Boseck J, Berry K, Koehn E, Meyer B, Gelder B, Davis A, Nogin R, Moss L, Drapeau C, Malm S, Davis A, Lemann E, Koehn E, Drapeau C, Malm S, Boseck J, Armstrong L, Glidewell R, Orr W, Mears G. Grand Rounds. Arch Clin Neuropsychol 2012. [DOI: 10.1093/arclin/acs070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Heathfield S, Parker B, Zeef L, Bruce I, Alexander Y, Collins F, Stone M, Wang E, Williams AS, Wright HL, Thomas HB, Moots RJ, Edwards SW, Bullock C, Chapman V, Walsh DA, Mobasheri A, Kendall D, Kelly S, Bayley R, Buckley CD, Young SP, Rump-Goodrich L, Middleton J, Chen L, Fisher R, Kollnberger S, Shastri N, Kessler BM, Bowness P, Nazeer Moideen A, Evans L, Osgood L, Williams AS, Jones SA, Nowell MA, Mahadik Y, Young S, Morgan M, Gordon C, Harper L, Giles JL, Paul Morgan B, Harris CL, Rysnik OJ, McHugh K, Kollnberger S, Payeli S, Marroquin O, Shaw J, Renner C, Bowness P, Nayar S, Cloake T, Bombardieri M, Pitzalis C, Buckley C, Barone F, Barone F, Nayar S, Cloake T, Lane P, Coles M, Buckley C, Williams EL, Edwards CJ, Cooper C, Oreffo RO, Dunn S, Crawford A, Wilkinson M, Le Maitre C, Bunning R, Daniels J, Phillips KLE, Chiverton N, Le Maitre CL, Kollnberger S, Shaw J, Ridley A, Wong-Baeza I, McHugh K, Keidel S, Chan A, Bowness P, Gullick NJ, Abozaid HS, Jayaraj DM, Evans HG, Scott DL, Choy EH, Taams LS, Hickling M, Golor G, Jullion A, Shaw S, Kretsos K, Bari SF, Rhys-Dillon B, Amos N, Siebert S, Phillips KLE, Chiverton N, Bunning RD, Haddock G, Cross AK, Le Maitre CL, Kate I, Phillips E, Cross A, Chiverton N, Haddock G, Bunning RAD, Le Maitre CL, Ceeraz S, Spencer J, Choy E, Corrigall V, Crilly A, Palmer H, Lockhart J, Plevin R, Ferrell WR, McInnes I, Hutchinson D, Perry L, DiCicco M, Humby F, Kelly S, Hands R, Buckley C, McInnes I, Taylor P, Bombardieri M, Pitzalis C, Mehta P, Mitchell A, Tysoe C, Caswell R, Owens M, Vincent T, Hashmi TM, Price-Forbes A, Sharp CA, Murphy H, Wood EF, Doherty T, Sheldon J, Sofat N, Goff I, Platt PN, Abdulkader R, Clunie G, Ismajli M, Nikiphorou E, Young A, Tugnet N, Dixey J, Banik S, Alcorn D, Hunter J, Win Maw W, Patil P, Hayes F, Main Wong W, Borg FA, Dasgupta B, Malaviya AP, Ostor AJ, Chana JK, Ahmed AA, Edmonds S, Hayes F, Coward L, Borg F, Heaney J, Amft N, Simpson J, Dhillon V, Ayalew Y, Khattak F, Gayed M, Amarasena RI, McKenna F, Amarasena RI, McKenna F, Mc Laughlin M, Baburaj K, Fattah Z, Ng N, Wilson J, Colaco B, Williams MR, Adizie T, Dasgupta B, Casey M, Lip S, Tan S, Anderson D, Robertson C, Devanny I, Field M, Walker D, Robinson S, Ryan S, Hassell A, Bateman J, Allen M, Davies D, Crouch C, Walker-Bone K, Gainsborough N, Gullick NJ, Lutalo PM, Davies UM, Walker-Bone K, Mckew JR, Millar AM, Wright SA, Bell AL, Thapper M, Roussou T, Cumming J, Hull RG, Thapper M, Roussou T, McKeogh J, O'Connor MB, Hassan AI, Bond U, Swan J, Phelan MJ, Coady D, Kumar N, Farrow L, Bukhari M, Oldroyd AG, Greenbank C, McBeth J, Duncan R, Brown D, Horan M, Pendleton N, Littlewood A, Cordingley L, Mulvey M, Curtis EM, Cole ZA, Crozier SR, Georgia N, Robinson SM, Godfrey KM, Sayer AA, Inskip HM, Cooper C, Harvey NC, Davies R, Mercer L, Galloway J, Low A, Watson K, Lunt M, Symmons D, Hyrich K, Chitale S, Estrach C, Moots RJ, Goodson NJ, Rankin E, Jiang CQ, Cheng KK, Lam TH, Adab P, Ling S, Chitale S, Moots RJ, Estrach C, Goodson NJ, Humphreys J, Ellis C, Bunn D, Verstappen SM, Symmons D, Fluess E, Macfarlane GJ, Bond C, Jones GT, Scott IC, Steer S, Lewis CM, Cope A, Mulvey MR, Macfarlane GJ, Symmons D, Lovell K, Keeley P, Woby S, Beasley M, McBeth J, Viatte S, Plant D, Lunt M, Fu B, Parker B, Galloway J, Solymossy C, Worthington J, Symmons D, Dixey J, Young A, Barton A, Williams FM, Osei-Bordom DC, Popham M, MacGregor A, Spector T, Little J, Herrick A, Pushpakom S, Ennis H, McBurney H, Worthington J, Newman W, Ibrahim I, Plant D, Hyrich K, Morgan A, Wilson A, Isaacs J, Barton A, Sanderson T, Hewlett S, Calnan M, Morris M, Raza K, Kumar K, Cardy CM, Pauling JD, Jenkins J, Brown SJ, McHugh N, Nikiphorou E, Mugford M, Davies C, Cooper N, Brooksby A, Bunn D, Symmons D, MacGregor A, Dures E, Ambler N, Fletcher D, Pope D, Robinson F, Rooke R, Hewlett S, Gorman CL, Reynolds P, Hakim AJ, Bosworth A, Weaver D, Kiely PD, Skeoch S, Jani M, Amarasena R, Rao C, Macphie E, McLoughlin Y, Shah P, Else S, Semenova O, 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Pierangeli S, Giles I, Ioannou Y, Rahman A, Reynolds JA, Ray DW, O'Neill T, Alexander Y, Bruce I, Segeda I, Shevchuk S, Kuvikova I, Brown N, Bruce I, Venning M, Mehta P, Dhanjal M, Mason J, Nelson-Piercy C, Basu N, Paudyal P, Stockton M, Lawton S, Dent C, Kindness K, Meldrum G, John E, Arthur C, West L, Macfarlane MV, Reid DM, Jones GT, Macfarlane GJ, Yates M, Loke Y, Watts R, MacGregor A, Adizie T, Christidis D, Dasgupta B, Williams M, Sivakumar R, Misra R, Danda D, Mahendranath KM, Bacon PA, Mackie SL, Pease CT. Basic science * 232. Certolizumab pegol prevents pro-inflammatory alterations in endothelial cell function. Rheumatology (Oxford) 2012. [DOI: 10.1093/rheumatology/kes108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Fievet L, Michel JL, Harper L, Turquet A, Moiton MP, Sauvat F. [Management of pediatric liver abscess]. Arch Pediatr 2012; 19:497-500. [PMID: 22463954 DOI: 10.1016/j.arcped.2012.02.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2011] [Revised: 10/05/2011] [Accepted: 02/14/2012] [Indexed: 11/29/2022]
Abstract
Liver abscess in the pediatric population remains uncommon in developed countries, except in cases of septicemia or in children with major debilitating diseases, granulocyte dysfunction, or immunosuppression. Although much is known about the etiopathogenesis of liver abscess, the gold standard of investigations and treatment is still debatable in developing countries. We report the case of a 6-year-old child living in Reunion Island, with no medical history, presenting with right and pyretic abdominal pain in the right upper quadrant. Ultrasound and CT scan showed a large hypodense nonenhanced area in segment IV. Final diagnosis was, by exclusion, pyogenic liver abscess based on negative serology, recent liver lesion, and normal tumor test results, even if blood culture remained negative. No percutaneous puncture was done because of positive outcome after 4 days of antibiotics. Treatment consisted in three intravenous antibiotics (ceftriaxone, aminoxide, and metronidazole) until complete biological normalization. Ultrasound remained normal 3 months later. Even if liver abscess is uncommon in developing countries, the diagnosis must be raised in cases of isolated liver tumor with fever. Management in the nonimmunosuppressed child must be discussed associating parenteral antibiotic therapy, percutaneous drainage, or surgery in very uncommon cases, according to the liver location and first day's progression. Etiological investigation such as colonoscopy in adults must be adapted to pediatric data.
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Harper L, Collum N. PB4 Left before treatment-do patients know best? Arch Emerg Med 2012. [DOI: 10.1136/emermed-2012-201246.4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Sauvat F, Harper L, Cuillier F, Abossolo T, Alessandri J, Michel J. Giant hepatic cysts: prenatal findings and uncommon postnatal outcome. J Neonatal Surg 2012; 1:22. [PMID: 26023381 PMCID: PMC4420393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2012] [Accepted: 02/11/2012] [Indexed: 10/27/2022] Open
Abstract
With modern prenatal imaging, liver cysts are being diagnosed more often. Although large cysts are usually asymptomatic, they may present as an abdominal emergency requiring surgery in the first weeks of life. We report a series of 3 patients with prenatal diagnosis of isolated cystic liver lesions diagnosed at 22, 31 and 33 weeks of gestational age. The hepatic origin of the cysts was confirmed prenatally by a MRI in 2 cases, with visualization of a normal gallbladder. The prenatal course was uneventful. Postnatal ultrasound confirmed the diagnosis of liver cyst, showed normality of the biliary tract and in one case, rupture of the cyst during delivery. Because of an uncommon rapid increase in size, the 3 children underwent surgical excision of the cysts within the first weeks of life. These were non-bile-containing intrahepatic cysts arising from segment IV. Long-term follow up was uneventful.
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Richter AG, Perkins GD, Chavda A, Sapey E, Harper L, Thickett DR. Neutrophil chemotaxis in granulomatosis with polyangiitis (Wegener's) and idiopathic pulmonary fibrosis. Eur Respir J 2011; 38:1081-8. [PMID: 21885400 DOI: 10.1183/09031936.00161910] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The presence of antineutrophil cytoplasmic antibodies in granulomatosis with polyangiitis (Wegener's) (GPA) implicates the neutrophil as a key effector cell. Previous studies have reported elevated neutrophil counts in the lung, although the determinants of neutrophil chemotaxis in the GPA lung are unknown. Bronchoalveolar lavage fluid (BALF) cell counts, myeloperoxidase (MPO) and chemokines were measured in 27 patients with GPA, 20 disease controls with idiopathic pulmonary fibrosis (IPF) and six healthy controls. CXC chemokine ligand (CXCL)8, interleukin (IL)-1β, epithelial neutrophil-activating protein 78, granulocyte colony-stimulating factor (G-CSF) and granulocyte-macrophage colony-stimulating factor were measured by ELISA. The neutrophil chemotactic potential of BALF was investigated using the under-agarose method, and specific antibodies were used to examine the role of CXCL8 and IL-1β. GPA BALF had an increased neutrophil percentage, and elevated MPO, CXCL8 and G-CSF concentrations compared with healthy controls. Chemotaxis of control neutrophils towards BALF from patients with active (p=0.006) and remission (p=0.077) GPA, and IPF (p=0.001) patients was increased compared with normal controls. BALF-induced chemotaxis correlated with BALF IL-1β (r=0.761, p=0.001) and CXCL8 (r=0.640, p=0.012) in GPA, and was inhibited by anti-CXCL8 (85%; p<0.001) and anti-IL-1β (69%; p<0.001). Our study confirms a neutrophilia and pro-inflammatory alveolar milieu that persists in clinical remission. CXCL8 and IL-1β appear to play important roles in the neutrophil chemotactic response to BALF.
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Holden NJ, Williams JM, Morgan MD, Challa A, Gordon J, Pepper RJ, Salama AD, Harper L, Savage COS. ANCA-stimulated neutrophils release BLyS and promote B cell survival: a clinically relevant cellular process. Ann Rheum Dis 2011; 70:2229-33. [DOI: 10.1136/ard.2011.153890] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Morris H, Morgan MD, Wood AM, Smith SW, Ekeowa UI, Herrmann K, Holle JU, Guillevin L, Lomas DA, Perez J, Pusey CD, Salama AD, Stockley R, Wieczorek S, McKnight AJ, Maxwell AP, Miranda E, Williams J, Savage CO, Harper L. ANCA-associated vasculitis is linked to carriage of the Z allele of α₁ antitrypsin and its polymers. Ann Rheum Dis 2011; 70:1851-6. [PMID: 21821620 DOI: 10.1136/ard.2011.153569] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Small studies have linked α1 antitrypsin (α1AT) deficiency to patients with antineutrophil cytoplasmic antibodies (ANCA)-associated vasculitis (AAV). OBJECTIVE To test the validity and the mechanism of this association between α1AT and AAV. METHODS The distribution of α1AT deficiency alleles Z and S was compared between 856 White Europeans with AAV and 1505 geographic and ethnically matched healthy controls. Genotyping was performed by allelic discrimination assay. RESULTS were compared between cases and controls using χ(2) tests. The serum and renal biopsies for α1AT polymers were compared using the polymer-specific 2C1 antibody. The role of α1AT polymers in promoting inflammation was investigated by examining their ability to prime neutrophils for ANCA activation as assessed by CD62L shedding, superoxide production and myeloperoxidase degranulation. Results The Z but not the S allele was over-represented in the patients compared with controls (HR=2.25, 95% CI 1.60 to 3.19). Higher concentrations of polymers of α1AT were detected in serum from patients carrying the Z allele than in those not carrying the Z allele (median (IQR) 1.40 (0.91-3.32) mg/dl vs 0.17 (0.06-0.28) mg/dl, p<0.001); polymers of α1AT were also seen in the renal biopsy of a patient with vasculitic glomerulonephritis. Polymers of α1AT primed neutrophils with CD62L shedding and increased superoxide production following ANCA activation. Carriage of the Z allele was not associated with disease severity, survival or relapse. CONCLUSIONS The Z but not the S deficiency allele is associated with AAV. Polymers of α1AT are present in the serum and glomeruli of at least some patients with the Z allele, which may promote inflammation through priming of neutrophils.
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