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Policht R, Hart V, Goncharov D, Surový P, Hanzal V, Červený J, Burda H. Vocal recognition of a nest-predator in black grouse. PeerJ 2019; 7:e6533. [PMID: 30891367 PMCID: PMC6422015 DOI: 10.7717/peerj.6533] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 01/26/2019] [Indexed: 11/20/2022] Open
Abstract
Corvids count among the important predators of bird nests. They are vocal animals and one can expect that birds threatened by their predation, such as black grouse, are sensitive to and recognize their calls. Within the framework of field studies, we noticed that adult black grouse were alerted by raven calls during periods outside the breeding season. Since black grouse are large, extremely precocial birds, this reaction can hardly be explained by sensitization specifically to the threat of nest predation by ravens. This surprising observation prompted us to study the phenomenon more systematically. According to our knowledge, the response of birds to corvid vocalization has been studied in altricial birds only. We tested whether the black grouse distinguishes and responds specifically to playback calls of the common raven. Black grouse recognized raven calls and were alerted, displaying typical neck stretching, followed by head scanning, and eventual escape. Surprisingly, males tended to react faster and exhibited a longer duration of vigilance behavior compared to females. Although raven calls are recognized by adult black grouse out of the nesting period, they are not directly endangered by the raven. We speculate that the responsiveness of adult grouse to raven calls might be explained as a learned response in juveniles from nesting hens that is then preserved in adults, or by a known association between the raven and the red fox. In that case, calls of the raven would be rather interpreted as a warning signal of probable proximity of the red fox.
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Affiliation(s)
- Richard Policht
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Czech Republic
| | - Vlastimil Hart
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Czech Republic
| | - Denis Goncharov
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Czech Republic
| | - Peter Surový
- Department of Forest Management, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Czech Republic
| | - Vladimír Hanzal
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Czech Republic
| | - Jaroslav Červený
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Czech Republic
| | - Hynek Burda
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Czech Republic
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Holubová N, Sak B, Hlásková L, Květoňová D, Hanzal V, Rajský D, Rost M, McEvoy J, Kváč M. Host specificity and age-dependent resistance to Cryptosporidium avium infection in chickens, ducks and pheasants. Exp Parasitol 2018; 191:62-65. [PMID: 29959916 DOI: 10.1016/j.exppara.2018.06.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [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: 11/27/2017] [Revised: 05/17/2018] [Accepted: 06/26/2018] [Indexed: 11/29/2022]
Abstract
Host- and age-specificity of Cryptosporidium avium were studied in 1-, 21- and 365-day-old chickens (Gallus gallus), domestic ducks (Anas platyrhynchos) and ring-necked pheasants (Phasianus colchicus) under experimental conditions. Cryptosporidium avium was not infectious for ring-necked pheasants, but it was infectious for ducks and chickens at all age categories. The course of infection in ducks did not differ among age categories, but 365-day-old chickens had less severe infections than 1- and 21-day-old chickens. The patent period in chickens and ducks was >30 DPI, but ducks started to shed oocysts of C. avium earlier (5-6 DPI) and at a lower intensity (accumulated value of infection intensity of 58,000-65,000 OPG) than chickens (9-11 DPI and accumulated value of infection intensity of 100,000-105,000 OPG). Experimentally infected birds showed no clinical signs of cryptosporidiosis.
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Affiliation(s)
- Nikola Holubová
- Biology Centre, Czech Academy of Sciences, Institute of Parasitology, České Budějovice, Czech Republic; Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic
| | - Bohumil Sak
- Biology Centre, Czech Academy of Sciences, Institute of Parasitology, České Budějovice, Czech Republic
| | - Lenka Hlásková
- Biology Centre, Czech Academy of Sciences, Institute of Parasitology, České Budějovice, Czech Republic
| | - Dana Květoňová
- Biology Centre, Czech Academy of Sciences, Institute of Parasitology, České Budějovice, Czech Republic
| | - Vladimír Hanzal
- Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic
| | - Dušan Rajský
- Faculty of Forestry, Department of Forest Protection and Wildlife Management, Technical University in Zvolen, Zvolen, Slovak Republic
| | - Michael Rost
- Faculty of Economics, University of South Bohemia in České Budějovice, Czech Republic
| | - John McEvoy
- Department of Microbiological Sciences, North Dakota State University, Fargo, USA
| | - Martin Kváč
- Biology Centre, Czech Academy of Sciences, Institute of Parasitology, České Budějovice, Czech Republic; Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic.
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Janiszewski P, Murawska D, Hanzal V, Gesek M, Michalik D, Zawacka M. Carcass characteristics, meat quality, and fatty acid composition of wild-living mallards (Anas platyrhynchos L.). Poult Sci 2018; 97:709-715. [DOI: 10.3382/ps/pex335] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Accepted: 10/10/2017] [Indexed: 11/20/2022] Open
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Rajský D, Rajský M, Garaj P, Kropil R, Ivan M, Vodnansky M, Hanzal V, Erdélyi K. Emergence and expansion of roe deer (Capreolus capreolus) fibropapillomatosis in Slovakia. EUR J WILDLIFE RES 2015. [DOI: 10.1007/s10344-015-0972-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Viklický O, Paříková A, Slatinská J, Hanzal V, Pagáčová L, Honsová E, Kieslichová E, Janoušek L, Froněk J. [AB0 incompatible kidney transplantation - first experiences]. Vnitr Lek 2015; 61:725-730. [PMID: 26375704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Living donor AB0 incompatible kidney transplantation represents a new tool how to improve the access to transplantation. Majority of European protocols are based on desensitization with rituximab, triple drug immunosuppression, intravenous immunoglobulins and specific immunoads option (IA) which eliminates isohaemaglutinins. AB0i kidney transplant program was initiated in our centre in 2011 and 21 patients have received grafts from incompatible donors until recently. Highest accepted isohaemaglutinins titers before rituximab were 1 : 64 and corresponding pretransplant immunoadsorption procedures varied from 2 to 9. In 5 patients 1-2 IA procedures were performed also after transplantation. With the advent of paired exchange program the AB0i transplantation is offered to patients with unsuccessful matching run or with aim to improve HLA match between donor and recipient. The main complications were postoperative bleeding and urinary tract infections in patients at risk. Majority of protocol biopsies exhibited positivity of C4d staining. Neither graft loss nor patient death were noticed.
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Zíka T, Šálek M, Holá M, Hanzal V, Hart V, Kušta T, Ježek M. Age Structure and Reproduction Rates of the Ring-Necked Pheasant (Phasianus colchicusL.) Population in Agricultural Landscape (Czech Republic). Polish Journal of Ecology 2014. [DOI: 10.3161/104.062.0417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Jancova E, Hruskova Z, Lanska V, Svojanovsky J, Sedova L, Zamboch K, Klaboch J, Kodeda M, Hanzal V, Jílek D, Valkovsky I, Tesar V. SAT0265 Characteristics and Outcomes of Patients with Anca-Associated Vasculitis (AAV) in the Czech Population. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.5777] [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: 11/04/2022]
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Schachtner T, Reinke P, Dorje C, Mjoen G, Midtvedt K, Strom EH, Oyen O, Jenssen T, Reisaeter AV, Smedbraaten YV, Sagedal S, Mjoen G, Fagerland MW, Hartmann A, Thiel S, Zulkarnaev A, Vatazin A, Vincenti F, Harel E, Kantor A, Thurison T, Hoyer-Hansen G, Craik C, Kute VB, Shah PS, Vanikar AV, Modi PR, Shah PR, Gumber MR, Patel HV, Engineer DP, Shah VR, Rizvi J, Trivedi HL, Malheiro J, Dias L, Martins LS, Fonseca I, Pedroso S, Almeida M, Castro-Henriques A, Cabrita A, Costa C, Ritta M, Sinesi F, Sidoti F, Mantovani S, Di Nauta A, Messina M, Cavallo R, Verflova A, Svobodova E, Slatinska J, Slavcev A, Pokorna E, Viklicky O, Yagan J, Chandraker A, Messina M, Diena D, Tognarelli G, Ranghino A, Bussolino S, Fop F, Segoloni GP, Biancone L, Leone F, Mauro MV, Gigliotti P, Lofaro D, Greco F, Perugini D, Papalia T, Perri A, Vizza D, Giraldi C, Bonofilgio R, Luis-Lima S, Marrero D, Gonzalez-Rinne A, Torres A, Salido E, Jimenez-Sosa A, Aldea-Perona A, Gonzalez-Posada JM, Perez-Tamajon L, Rodriguez-Hernandez A, Negrin-Mena N, Porrini E, Mjoen G, Pihlstrom H, Dahle DO, Holdaas H, Von Der Lippe N, Waldum B, Brekke F, Amro A, Reisaeter AV, Os I, Klin P, Sanabria H, Bridoux P, De Francesco J, Fortunato RM, Raffaele P, Kong J, Son SH, Kwon HY, Whang EJ, Choi WY, Yoon CS, Thanaraj V, Theakstone A, Stopper K, Ferraro A, Bhattacharjya S, Devonald M, Williams A, Mella A, Messina M, Gallo E, Fop F, Di Vico MC, Diena D, Pagani F, Gai M, Ranghino A, Segoloni GP, Biancone L, Cho HJ, Nho KW, Park SK, Kim SB, Yoshida K, Ishii D, Ohyama T, Kohguchi D, Takeuchi Y, Varga A, Sandor B, Kalmar-Nagy K, Toth A, Toth K, Szakaly P, Zulkarnaev A, Vatazin A, Kildushevsky A, Fedulkina V, Kantaria R, Staeck O, Halleck F, Rissling O, Naik M, Neumayer HH, Budde K, Khadzhynov D, Bhadauria D, Kaul A, Prasad N, Sharma RK, Sezer S, Bal Z, Erkmen Uyar M, Guliyev O, Erdemir B, Colak T, Ozdemir N, Haberal M, Caliskan Y, Yazici H, Artan AS, Oto OA, Aysuna N, Bozfakioglu S, Turkmen A, Yildiz A, Sever MS, Yagisawa T, Nukui A, Kimura T, Nannmoku K, Kurosawa A, Sakuma Y, Miki A, Damiano F, Ligabue G, De Biasi S, Granito M, Cossarizza A, Cappelli G, Martins LS, Fonseca I, Malheiro J, Henriques AC, Pedroso S, Almeida M, Dias L, Davide J, Cabrita A, Von During ME, Jenssen TG, Bollerslev J, Godang K, Asberg A, Hartmann A, Bachelet T, Martinez C, Bello A, Kejji S, Couzi L, Guidicelli G, Lepreux S, Visentin J, Congy-Jolivet N, Rostaing L, Taupin JL, Kamar N, Merville P, Sezer S, Bal Z, Erkmen Uyar M, Ozdemir H, Guliyev O, Yildirim S, Tutal E, Ozdemir N, Haberal M, Sezer S, Erkmen Uyar M, Bal Z, Guliyev O, Sayin B, Colak T, Ozdemir Acar N, Haberal M, Banasik M, Boratynska M, Koscielska-Kasprzak K, Kaminska D, Bartoszek D, Mazanowska O, Krajewska M, Zmonarski S, Chudoba P, Dawiskiba T, Protasiewicz M, Halon A, Sas A, Kaminska M, Klinger M, Stefanovic N, Cvetkovic T, Velickovic - Radovanovic R, Jevtovic - Stoimenov T, Vlahovic P, Rungta R, Das P, Ray DS, Gupta S, Kolonko A, Szotowska M, Kuczera P, Chudek J, Wiecek A, Sikora-Grabka E, Adamczak M, Szotowska M, Kuczera P, Madej P, Wiecek A, Amanova A, Kendi Celebi Z, Bakar F, Caglayan MG, Keven K, Massimetti C, Imperato G, Zampi G, De Vincenzi A, Fabbri GDD, Brescia F, Feriozzi S, Filipov JJ, Zlatkov BK, Dimitrov EP, Svinarov DA, Poesen R, De Vusser K, Evenepoel P, Kuypers D, Naesens M, Meijers B, Kocak H, Yilmaz VT, Yilmaz F, Uslu HB, Aliosmanoglu I, Ermis H, Dinckan A, Cetinkaya R, Ersoy FF, Suleymanlar G, Fonseca I, Oliveira JC, Santos J, Martins LS, Almeida M, Dias L, Pedroso S, Lobato L, Castro-Henriques A, Mendonca D, Watarai Y, Yamamoto T, Tsujita M, Hiramitsu T, Goto N, Narumi S, Kobayashi T, Dahle DO, Holdaas H, Reisaeter AV, Dorje C, Mjoen G, Line PD, Hartmann A, Housawi A, House A, Ng C, Denesyk K, Rehman F, Moist L, Musetti C, Battista M, Izzo C, Guglielmetti G, Airoldi A, Stratta P, Musetti C, Cena T, Quaglia M, Fenoglio R, Cagna D, Airoldi A, Amoroso A, Stratta P, Palmisano A, Degli Antoni AM, Vaglio A, Piotti G, Cremaschi E, Buzio C, Maggiore U, Lee MC, Hsu BG, Zalamea Jarrin F, Sanchez Sobrino B, Lafuente Covarrubias O, Karsten Alvarez S, Dominguez Apinaniz P, Llopez Carratala R, Portoles Perez J, Yildirim T, Yilmaz R, Turkmen E, Altindal M, Arici M, Altun B, Erdem Y, Dounousi E, Mitsis M, Naka K, Pappas H, Lakkas L, Harisis H, Pappas K, Koutlas V, Tzalavra I, Spanos G, Michalis L, Siamopoulos K, Iwabuchi T, Yagisawa T, Kimura T, Nanmoku K, Kurosawa A, Yasunaru S, Lee MC, Hsu BG, Yoshikawa M, Kitamura K, Fuji H, Fujisawa M, Nishi S, Carta P, Zanazzi M, Buti E, Larti A, Caroti L, Di Maria L, Minetti EE, Shi Y, Luo L, Cai B, Wang T, Zou Y, Wang L, Kim Y, Kim HS, Choi BS, Park CW, Yang CW, Kim YS, Chung BH, Baek CH, Kim M, Kim JS, Yang WS, Han DJ, Park SK, Mikolasevic I, Racki S, Lukenda V, Persic MP, Colic M, Devcic B, Orlic L, Sezer S, Gurlek Demirci B, Guliyev O, Colak T, Say N CB, Ozdemir Acar FN, Haberal M, Vali S, Ismal K, Sahay M, Civiletti F, Cantaluppi V, Medica D, Mazzeo AT, Assenzio B, Mastromauro I, Deambrosis I, Giaretta F, Fanelli V, Mascia L, Musetti C, Airoldi A, Quaglia M, Guglielmetti G, Battista M, Izzo C, Stratta P, Lakkas L, Naka K, Dounousi E, Koutlas V, Gkirdis I, Bechlioulis A, Evangelou D, Zarzoulas F, Kotsia A, Balafa O, Tzeltzes G, Nakas G, Pappas K, Kalaitzidis R, Katsouras C, Michalis L, Siamopoulos K, Tutal E, Erkmen Uyar M, Uyanik S, Bal Z, Guliyev O, Toprak SK, Ilhan O, Sezer S, Bal Z, Ekmen Uyar M, Guliyev O, Sayin B, Colak T, Sezer S, Haberal M, Hernandez Vargas H, Artamendi Larranaga M, Ramalle Gomara E, Gil Catalinas F, Bello Ovalle A, Pimentel Guzman G, Coloma Lopez A, Sierra Carpio M, Gil Paraiso A, Dall Anesse C, Beired Val I, Huarte Loza E, Choy BY, Kwan L, Mok M, Chan TM, Yamakawa T, Kobayashi A, Yamamoto I, Mafune A, Nakada Y, Tannno Y, Tsuboi N, Yamamoto H, Yokoyama K, Ohkido I, Yokoo T, Luque Y, Anglicheau D, Rabant M, Clement R, Kreis H, Sartorius A, Noel LH, Timsit MO, Legendre C, Rancic N, Vavic N, Dragojevic-Simic V, Katic J, Jacimovic N, Kovacevic A, Mikov M, Veldhuijzen NMH, Rookmaaker MB, Van Zuilen AD, Nquyen TQ, Boer WH, Mjoen G, Pihlstrom H, Dahle DO, Holdaas H, Sahtout W, Ghezaiel H, Azzebi A, Ben Abdelkrim S, Guedri Y, Mrabet S, Nouira S, Ferdaws S, Amor S, Belarbia A, Zellama D, Mokni M, Achour A, Viklicky O, Parikova A, Slatinska J, Hanzal V, Fronek J, Orandi BJ, James NT, Montgomery RA, Desai NM, Segev DL, Fontana F, Ballestri M, Magistroni R, Damiano F, Cappelli G. TRANSPLANTATION CLINICAL 1. Nephrol Dial Transplant 2014. [DOI: 10.1093/ndt/gfu160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Hart V, Nováková P, Malkemper EP, Begall S, Hanzal V, Ježek M, Kušta T, Němcová V, Adámková J, Benediktová K, Červený J, Burda H. Dogs are sensitive to small variations of the Earth's magnetic field. Front Zool 2013; 10:80. [PMID: 24370002 PMCID: PMC3882779 DOI: 10.1186/1742-9994-10-80] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2013] [Accepted: 12/23/2013] [Indexed: 11/10/2022] Open
Abstract
Introduction Several mammalian species spontaneously align their body axis with respect to the Earth’s magnetic field (MF) lines in diverse behavioral contexts. Magnetic alignment is a suitable paradigm to scan for the occurrence of magnetosensitivity across animal taxa with the heuristic potential to contribute to the understanding of the mechanism of magnetoreception and identify further functions of magnetosensation apart from navigation. With this in mind we searched for signs of magnetic alignment in dogs. We measured the direction of the body axis in 70 dogs of 37 breeds during defecation (1,893 observations) and urination (5,582 observations) over a two-year period. After complete sampling, we sorted the data according to the geomagnetic conditions prevailing during the respective sampling periods. Relative declination and intensity changes of the MF during the respective dog walks were calculated from daily magnetograms. Directional preferences of dogs under different MF conditions were analyzed and tested by means of circular statistics. Results Dogs preferred to excrete with the body being aligned along the North–South axis under calm MF conditions. This directional behavior was abolished under unstable MF. The best predictor of the behavioral switch was the rate of change in declination, i.e., polar orientation of the MF. Conclusions It is for the first time that (a) magnetic sensitivity was proved in dogs, (b) a measurable, predictable behavioral reaction upon natural MF fluctuations could be unambiguously proven in a mammal, and (c) high sensitivity to small changes in polarity, rather than in intensity, of MF was identified as biologically meaningful. Our findings open new horizons in magnetoreception research. Since the MF is calm in only about 20% of the daylight period, our findings might provide an explanation why many magnetoreception experiments were hardly replicable and why directional values of records in diverse observations are frequently compromised by scatter.
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Affiliation(s)
- Vlastimil Hart
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, 16521 Praha 6, Czech Republic
| | - Petra Nováková
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, 16521 Praha 6, Czech Republic
| | - Erich Pascal Malkemper
- Department of General Zoology, Faculty of Biology, University of Duisburg-Essen, 45117 Essen, Germany
| | - Sabine Begall
- Department of General Zoology, Faculty of Biology, University of Duisburg-Essen, 45117 Essen, Germany
| | - Vladimír Hanzal
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, 16521 Praha 6, Czech Republic
| | - Miloš Ježek
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, 16521 Praha 6, Czech Republic
| | - Tomáš Kušta
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, 16521 Praha 6, Czech Republic
| | - Veronika Němcová
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, 16521 Praha 6, Czech Republic
| | - Jana Adámková
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, 16521 Praha 6, Czech Republic
| | - Kateřina Benediktová
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, 16521 Praha 6, Czech Republic
| | - Jaroslav Červený
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, 16521 Praha 6, Czech Republic
| | - Hynek Burda
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, 16521 Praha 6, Czech Republic.,Department of General Zoology, Faculty of Biology, University of Duisburg-Essen, 45117 Essen, Germany
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Němejc K, Sak B, Květoňová D, Hanzal V, Janiszewski P, Forejtek P, Rajský D, Kotková M, Ravaszová P, McEvoy J, Kváč M. Prevalence and diversity of Encephalitozoon spp. and Enterocytozoon bieneusi in wild boars (Sus scrofa) in Central Europe. Parasitol Res 2013; 113:761-7. [PMID: 24292543 DOI: 10.1007/s00436-013-3707-6] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Accepted: 11/17/2013] [Indexed: 10/26/2022]
Abstract
From 2011 to 2012, the occurrence of Enterocytozoon bieneusi and Encephalitozoon spp. was surveyed at 29 randomly selected localities (both forest areas and enclosures) across four Central European countries: Austria, the Czech Republic, Poland, and the Slovak Republic. Isolates were genotyped by PCR amplification and characterization of the internal transcribed spacer (ITS) region using Enterocytozoon and Encephalitozoon-specific protocols. PCR revealed 16 mono-infections of Encephalitozoon cuniculi, 33 mono-infections of Enterocytozoon bieneusi and 5 concurrent infections of both Encephalitozoon cuniculi and Enterocytozoon bieneusi out of 460 faecal samples. Two genotypes (I and II) were revealed by sequence analysis of the ITS region of Encephalitozoon cuniculi. Eleven genotypes, five previously found in other hosts including domestic pigs (D, EbpA, EbpC, G and Henan-I) and six novel (WildBoar1-6), were identified in Enterocytozoon bieneusi. No other microsporidia infection was found in the examined faecal samples. Prevalence of microsporidia at the locality level ranged from 0 to 58.8 %; the prevalence was less than 25 % at more than 86 % of localities. Enterocytozoon bieneusi was detected as a predominant species infecting Eurasian wild boars (Sus scrofa). The present report is the most comprehensive survey of microsporidia infections in wild boars within the Czech Republic and selected Central European countries.
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Affiliation(s)
- Karel Němejc
- Faculty of Agriculture, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic
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Němejc K, Sak B, Květoňová D, Hanzal V, Janiszewski P, Forejtek P, Rajský D, Ravaszová P, McEvoy J, Kváč M. Cryptosporidium suis and Cryptosporidium scrofarum in Eurasian wild boars (Sus scrofa) in Central Europe. Vet Parasitol 2013; 197:504-8. [PMID: 23916060 PMCID: PMC4437658 DOI: 10.1016/j.vetpar.2013.07.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2013] [Revised: 06/10/2013] [Accepted: 07/03/2013] [Indexed: 11/23/2022]
Abstract
From 2011 to 2012, to identify Cryptosporidium spp. occurrence in Eurasian wild boars (Sus scrofa) 29 randomly selected localities (both forest areas and enclosures) across the Central European countries of Austria, the Czech Republic, Poland, and the Slovak Republic were investigated. Cryptosporidium oocysts were microscopicaly detected in 11 out of 460 faecal samples examined using aniline-carbol-methyl violet staining. Sixty-one Cryptosporidium infections, including the 11 infections that were detected by microscopy, were detected using genus- or species-specific nested PCR amplification of SSU rDNA. This represents a 5.5 fold greater sensitivity for PCR relative to microscopy. Combining genus- and species-specific PCR tools significantly changes the perspective on the occurrence of Cryptosporidium spp. in wild boars. While RFLP and direct sequencing of genus specific PCR-amplified products revealed 56 C. suis (20) and C. scrofarum (36) monoinfections and only 5 mixed infections of these species, species-specific molecular tools showed 44 monoinfections and 17 mixed infections with these species. PCR analysis of the gp60 gene did not reveal any other Cryptosporidium infections. Similar to domestic pigs, C. scrofarum was detected as a dominant species infecting adult Eurasian wild boars (Sus scrofa). Cryptosporidium infected wild boars did not show signs of clinical disease. This report is perhaps the most comprehensive survey of cryptosporidial infection in wild boars.
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Affiliation(s)
- Karel Němejc
- Faculty of Agriculture, University of South Bohemia in České Budějovice, Studentská 13, 370 05 České Budějovice, Czech Republic
| | - Bohumil Sak
- Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic
| | - Dana Květoňová
- Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic
| | - Vladimír Hanzal
- Faculty of Agriculture, University of South Bohemia in České Budějovice, Studentská 13, 370 05 České Budějovice, Czech Republic
- Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 21 Prague 6 – Suchdol, Czech Republic
| | - Paweł Janiszewski
- Faculty of Animal Bioengineering, University of Warmia and Mazury, M. Oczapowskiego 5, 10-718 Olsztyn-Kortowo, Poland
| | - Pavel Forejtek
- Institute for Wildlife Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Palackého 1-3, 612 42 Brno, Czech Republic
| | - Dušan Rajský
- Faculty of Forestry, Technical University in Zvolen, T. G. Masaryka 2117/24, 960 53 Zvolen, Slovak Republic
| | - Petra Ravaszová
- Department of Biology and Genetics, University of Veterinary Medicine and Pharmacy in Košice, Komenského 73, 041 81 Košice, Slovak Republic
| | - John McEvoy
- Department of Veterinary and Microbiological Sciences, North Dakota State University, Fargo, ND, USA
| | - Martin Kváč
- Faculty of Agriculture, University of South Bohemia in České Budějovice, Studentská 13, 370 05 České Budějovice, Czech Republic
- Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic
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Hart V, Malkemper EP, Kušta T, Begall S, Nováková P, Hanzal V, Pleskač L, Ježek M, Policht R, Husinec V, Cervený J, Burda H. Directional compass preference for landing in water birds. Front Zool 2013; 10:38. [PMID: 23835450 PMCID: PMC3710278 DOI: 10.1186/1742-9994-10-38] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2013] [Accepted: 06/14/2013] [Indexed: 11/30/2022] Open
Abstract
Introduction Landing flight in birds is demanding on visual control of velocity, distance to target, and slope of descent. Birds flying in flocks must also keep a common course of landing in order to avoid collisions. Whereas the wind direction may provide a cue for landing, the nature of the landing direction indicator under windless conditions has been unknown. We recorded and analysed landing directions of 3,338 flocks in 14 species of water birds in eight countries. Results We show that the preferred landing direction, independently of the direction from which the birds have arrived, is along the north-south axis. We analysed the effect of the time of the year, time of the day (and thus sun position), weather (sunny versus overcast), light breeze, locality, latitude, and magnetic declination in 2,431 flocks of mallards (Anas platyrhynchos) and found no systematic effect of these factors upon the preferred direction of landing. We found that magnetic North was a better predictor for landing direction than geographic North. Conclusions In absence of any other common denominator determining the landing direction, the alignment with the magnetic field lines seems to be the most plausible if not the only explanation for the directional landing preference under windless and overcast conditions and we suggest that the magnetic field thus provides a landing direction indicator.
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Affiliation(s)
- Vlastimil Hart
- Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, 16521 Praha 6, Czech Republic.
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13
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Peregrin JH, Hanzal V, Bürgelová M, Viklický O. Nephrostomy in Early Posttransplantation Period in Patients with Nonfunctional Graft and Nondilated Collecting System. Cardiovasc Intervent Radiol 2013; 37:458-62. [DOI: 10.1007/s00270-013-0666-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2013] [Accepted: 05/17/2013] [Indexed: 10/26/2022]
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14
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Hruskova Z, Jancova E, Lanska V, Svojanovsky J, Klaboch J, Nemec P, Zamboch K, Kodeda M, Hanzal V, Nemejc P, Tesar V. Characteristics and outcomes of patients with ANCA-associated vasculitis in the Czech population. Presse Med 2013. [DOI: 10.1016/j.lpm.2013.02.034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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15
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Hart V, Kušta T, Němec P, Bláhová V, Ježek M, Nováková P, Begall S, Červený J, Hanzal V, Malkemper EP, Štípek K, Vole C, Burda H. Magnetic alignment in carps: evidence from the Czech christmas fish market. PLoS One 2012; 7:e51100. [PMID: 23227241 PMCID: PMC3515494 DOI: 10.1371/journal.pone.0051100] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2012] [Accepted: 10/31/2012] [Indexed: 11/23/2022] Open
Abstract
While magnetoreception in birds has been studied intensively, the literature on magnetoreception in bony fish, and particularly in non-migratory fish, is quite scarce. We examined alignment of common carps (Cyprinus carpio) at traditional Christmas sale in the Czech Republic. The sample comprised measurements of the directional bearings in 14,537 individual fish, distributed among 80 large circular plastic tubs, at 25 localities in the Czech Republic, during 817 sampling sessions, on seven subsequent days in December 2011. We found that carps displayed a statistically highly significant spontaneous preference to align their bodies along the North-South axis. In the absence of any other common orientation cues which could explain this directional preference, we attribute the alignment of the fish to the geomagnetic field lines. It is apparent that the display of magnetic alignment is a simple experimental paradigm of great heuristic potential.
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Affiliation(s)
- Vlastimil Hart
- Department of Forest Protection and Wildlife Management, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Praha, Czech Republic
| | - Tomáš Kušta
- Department of Forest Protection and Wildlife Management, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Praha, Czech Republic
| | - Pavel Němec
- Department of Zoology, Faculty of Science, Charles University in Prague, Praha, Czech Republic
| | - Veronika Bláhová
- Department of Zoology, Faculty of Science, Charles University in Prague, Praha, Czech Republic
| | - Miloš Ježek
- Department of Forest Protection and Wildlife Management, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Praha, Czech Republic
| | - Petra Nováková
- Department of Forest Protection and Wildlife Management, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Praha, Czech Republic
| | - Sabine Begall
- Department of General Zoology, Faculty of Biology, University of Duisburg-Essen, Essen, Germany
| | - Jaroslav Červený
- Department of Forest Protection and Wildlife Management, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Praha, Czech Republic
| | - Vladimír Hanzal
- Department of Forest Protection and Wildlife Management, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Praha, Czech Republic
| | - Erich Pascal Malkemper
- Department of General Zoology, Faculty of Biology, University of Duisburg-Essen, Essen, Germany
| | - Kamil Štípek
- Department of Forest Protection and Wildlife Management, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Praha, Czech Republic
| | - Christiane Vole
- Department of General Zoology, Faculty of Biology, University of Duisburg-Essen, Essen, Germany
| | - Hynek Burda
- Department of Forest Protection and Wildlife Management, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Praha, Czech Republic
- Department of General Zoology, Faculty of Biology, University of Duisburg-Essen, Essen, Germany
- * E-mail:
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Valdivia Vega RP, Perez Carlos J, LI X, LI X, Xu X, Zhang W, Ren H, Chen N, Yorioka N, Doi T, Hirashio S, Arita M, Hirabayashi A, Tilkiyan E, Chonova E, Ronchev Y, Kumchev E, Giamalis P, Spartalis M, Stangou M, Tsouchnikas I, Moysiades D, Dimopoulou D, Garyfalos A, Efstratiadis G, Memmos D, Schonermarck U, Eichhorn P, Sitter T, Wendler T, Vielhauer V, Lederer S, Fechner K, Fischereder M, Bantis C, Heering P, Kouri NM, Stangou M, Schwandt C, Kuhr N, Ivens K, Rump LC, Matta V, Melis P, Conti M, Cao R, Binda V, Altieri P, Asunis AM, Catani W, Floris M, Angioi A, Congia M, Cucca F, Minerba L, Peri M, Pani A, Beck LH, Fervenza FC, Fervenza FC, Bomback AS, Ayalon R, Irazabal MV, Eirin A, Cattran DC, Appel GB, Salant DJ, Santoro D, Postorino A, Costantino G, Bellinghieri G, Savica V, Weiner M, Goh SM, Mohammad A, Eriksson P, Westman K, Selga D, Salama A, Segelmark M, Chocova Z, Hruskova Z, Mareckova H, Svobodova B, Jancova E, Bednarova V, Rysava R, Tesar V, Hruskova Z, Jancova E, Hanzal V, Zamboch K, Grussmannova M, Svojanovsky J, Klaboch J, Kubisova M, Sevcik J, Olsanska R, Sobotkova M, Becvar R, Nemec P, Kodeda M, Jilek D, Chocova Z, Tesar V, Hussain M, Dhaygude A, Cartery C, Cartery C, Huart A, Plaisier E, Bongard V, Montastruc F, Ronco P, Pourrat J, Chauveau D, Prasad N, Gurjar D, Bhadauria D, Sharma RK, Gupta A, Kaul A, Jain M, Venning M, Brown N, Bruce I, Noor S, Dhaygude A, Bekker P, Potarca A, Dairaghi D, Miao S, Powers JP, Jaen JC, Schall TJ, Kalavrizioti D, Kalavrizioti D, Gerolymos M, Komninakis D, Rodi M, Mouzaki A, Kalliakmani P, Goumenos D, Choi BS, Choi BS, Park CW, Kim YS, Yang CW, Sun IO, Qin W, Xie L, Tan C, Qin W, Mian W, Fu P, Tan C, Kaminskyy V, Bantis C, Heering P, Kouri NM, Kuhr N, Schwandt C, Ivens K, Rump LC, Hao X, Hao X, Ren H, Wang W, Chen N, Cengiz C, Nur C, Nurdan Y, Selman G, Pinar T, Mehmet T, Lale S, Caliskan S, Shinzawa M, Yamamoto R, Nagasawa Y, Oseto S, Mori D, Niihata K, Fukunaga M, Yamauchi A, Tsubakihara Y, Rakugi H, Isaka Y, Chen JS, Lin YF, Lin WY, Shu KH, Chen HH, Wu CJ, Yang CS, Tseng TL, Zaza G, Bernich P, Lupo A, Panizo N, Rivera F, Lopez Gomez JM, Regn SROG, Ceresini G, Vaglio A, Urban ML, Corradi D, Usberti E, Palmisano A, Buzio C, Vaglio A, Zineb H, Ramdani B, Marques LPJ, Rioja LDS, Rocco R, Nery ACF, Novaes BC, Bridoux F, Sicard A, Labatut D, Touchard G, Sarkozy C, Vanhille P, Callard P, Essig M, Provot F, Nony A, Ronco P, Karras A, Agustin CP, M Belen HR, Carmen CP, Eliana O, Elisa P, Luis P, Alberto MC, Javier N, Isabel F, Cao R, Conti M, Atzeni A, Fois A, Piras D, Maxia S, Angioi A, Binda V, Melis P, Sau G, Pili G, Floris M, Asunis AM, Porcu M, Derudas D, Angelucci E, Ledda A, La Nasa G, Pani A, Ossareh S, Asgari M, Savaj S, Ataipour Y, Abdi E, Malakoutian T, Rajaa R, Berkchi FZ, Haffane L, Squalli Z, Rouass L, Al Hamany Z, Ezzaitouni F, Benamar L, Bayahya R, Ouzeddoun N, Gao-Yuan H, Yao X, Xin C, Zhen C, Yong-Chun G, Qing-Wen W, Hui-Ping C, Da-XI J, De-Hua G, Wei-Xin H, Zhi-Hong L, Rajaa R, Fatima Zahra B, Laila H, Zoubair S, Rouass L, Al Hamany Z, Ezzaitouni F, Benamar L, Bayahya R, Naima O, Smykal-Jankowiak K, Niemir Z, Polcyn-Adamczak M, Szramka-Pawlak B, Zaba R, Zhang C, Zhang C, Ren H, MA Y, Wang W, Zhang W, Shen P, Chen N, Ouyang Y, Ouyang Y, Pan X, Wang Z, Feng X, Shen P, Ren H, Ni L, Zhang W, Chen N. Primary and secondary glomerulonephritis II. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Němejc K, Sak B, Květoňová D, Hanzal V, Jeníková M, Kváč M. The first report on Cryptosporidium suis and Cryptosporidium pig genotype II in Eurasian wild boars (Sus scrofa) (Czech Republic). Vet Parasitol 2011; 184:122-5. [PMID: 21917378 DOI: 10.1016/j.vetpar.2011.08.029] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2010] [Revised: 08/12/2011] [Accepted: 08/18/2011] [Indexed: 10/17/2022]
Abstract
A total of 193 faecal samples of adult Eurasian wild boars were collected at 12 enclosures across the Czech Republic and examined for Cryptosporidium infection using both microscopic and molecular tools. Cryptosporidium oocysts were not detected in any of the 193 faecal samples examined using the aniline-carbol-methyl violet staining method. Thirty-two positive cases of Cryptosporidium infection were detected using either genus- or species-specific nested PCR. Mono-infection with Cryptosporidium suis and Cryptosporidium pig genotype II were found in 13 and 7 cases, respectively. Five mixed infections of C. suis and Cryptosporidium pig genotype II were detected using PCR/RFLP with genus specific primers. The number of detected mixed infections increased 2.4 fold when a species-specific PCR was employed. No other Cryptosporidium spp. was detected. Unlike cryptosporidiosis of domestic pigs, C. suis was detected as a dominant species infecting adult Eurasian wild boars. There was no association between diarrhoea and the presence of Cryptosporidium infection in the Eurasian wild boars studied. This is the first report on the Cryptosporidium infection caused by C. suis and Cryptosporidium pig genotype II in Eurasian wild boars (Sus scrofa).
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Affiliation(s)
- Karel Němejc
- Faculty of Agriculture, University of South Bohemia in České Budějovice Studentská 13, 370 05 České Budějovice, Czech Republic
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Stekrova J, Reiterova J, Elisakova V, Merta M, Kohoutova M, Tesar V, Suvakov S, Damjanovic T, Dimkovic N, Pljesa S, Savic-Radojevic A, Pljesa-Ercegovac M, Matic M, Djukic T, Coric V, Simic T, Gigante M, d'Altilia M, Montemurno E, Schirinzi A, Bruno F, Netti GS, Ranieri E, Stallone G, Infante B, Grandaliano G, Gesualdo L, Maritati F, Alberici F, Bonatti F, Oliva E, Sinico RA, Moroni G, Leoni A, Gregorini G, Jeannin G, Possenti S, Tumiati B, Grasselli C, Brugnano R, Salvarani C, Fraticelli P, Pavone L, Pesci A, Guida G, Neri TM, Buzio C, Malerba G, Martorana D, Vaglio A, Santucci L, Candiano G, Cremasco D, Tosetto E, Del Prete D, Bruschi M, Ghiggeri GM, Anglani F, Rainone F, Soldati L, Terranegra A, Arcidiacono T, Aloia A, Dogliotti E, Vezzoli G, Maruniak-Chudek I, Zenker M, Chudek J, Reiterova J, Obeidova L, Stekrova J, Lnenicka P, Tesar V, Iwanitskiy LV, Krasnova TN, Samokhodskaya LM, Bernasconi AR, Albarracin L, Liste AA, Politei JM, Heguilen RM, Kaito H, Nozu K, Nakanishi K, Hashimura Y, Shima Y, Ninchoji T, Yoshikawa N, Iijima K, Matsuo M, Hur E, Gungor O, Bozkurt D, Bozgul SMK, Caliskan H, Dusunur F, Basci A, Akcicek F, Duman S, Li Y, Wang C, Nan L, Hruskova Z, Brabcova I, Lanska V, Honsova E, Hanzal V, Borovicka V, Reiterova J, Rysava R, Zachoval R, Viklicky O, Tesar V, Miltenberger-Miltenyi G, Almeida E, Calado J, Carvalho F, Pereira S, Teixeira C, Jorge S, Viana H, Gomes da Costa A, Yang CS, Tseng MH, Yang SS, Lin SH. Genetic diseases and molecular genetics. Clin Kidney J 2011. [DOI: 10.1093/ndtplus/4.s2.28] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Viklický O, Slatinská J, Bürgelová M, Vítko S, Urbanová M, Lazanská R, Hanzal V, Bandúr S, Teplan V, Matl I, Janousek L, Honsová E, Drastichová M, Malý J. [Kidney transplantation at the Institute for Clinical and Experimental Medicine]. Cas Lek Cesk 2011; 150:56-59. [PMID: 21404490] [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] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
BACKGROUND Kidney transplantation represents the method of choice of end stage renal disease. METHODS AND RESULTS The program of kidney transplantation was established in 1966 in our centre. In recent years, roughly 200 patients have undergone kidney transplantation annually, and 20-30 of them have received a graft from the living donor. Triple immunosuppressive regimen based on tacrolimus, MMF and steroids is given to majority of patients, in a case of high rejection risk; patients have received the induction protocols with polyclonal or monoclonal antilymphocyte globulins. Acute rejection is not a frequent finding in recent years and has occurred in 15% of cases in the first 3 months, the use of induction immunosuppression has decreased the rejection risk. Valgancyclovir has been used as prophylactic agent to prevent and treat cytomegalovirus infection. The usage of this strategy reduced the incidence of CMV infection below 10%. Kidney transplant recipients suffer from similar comorbidities as other renal patients in the long term, as cardiovascular complications, infections and malignancies. Anemia is a frequent complication in patients with graft dysfunction and erythropoesis stimulating agents have been used in its therapy. The median kidney graft survival is 8 years. CONCLUSIONS Kidney transplantation is associated with better long-term results when compared with dialysis therapy and thus this method should be offered to all of suitable end stage renal disease patients.
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Affiliation(s)
- Ondrej Viklický
- Institut klinické a experimentální medicíny Praha, Transplantacní centrum, Klinika nefrologie.
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Teplan V, Schück O, Hanzal V, Hajný J, Horácková M, Ryba M, Stanek I, Surel S, Bret M, Stollová M, Sasaková D. [Obesity and progression of chronic renal insufficiency: a Czech long term prospective double-blind randomised multicentre study]. Vnitr Lek 2006; 52:571-6. [PMID: 16871760] [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] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Obesity represents one of serious risk factors in chronic renal failure patients (CRF). In three years prospective double-blind randomised multicentre study we monitored 66 patients with advanced chronic renal insufficiency, GFR 24.4-37.3 ml/min (0.41 to 0.62 ml/s) and BMI > or = 30 kg/m2 on long term low-protein diet (0.6 P/kg BW/day) and ACEI + ARB. Thirty four randomly selected patients (group I) were treated with keto amino acids, 32 patients in control group (group II) with placebo. During the study period significant decrease of BMI, proteinuria and slowing in progression of renal failure (C(in)) were found. Significant changes were also noted in parameters of albumin and transferrin (p < 0.02), leucin and WQ (p < 0.01 - p < 0.02), glycaemia and HbA1c (p < 0.02), triglycerides (p < 0.01), leptin and ObRe (p < 0.01) and selected parameters of endothelial dysfunction (ET1, p < 0.02, TGFbeta1, p < 0.02). Significantly also decreased PTH value (p < 0.01). Successful treatment of obesity can significantly improve long term prognosis in CRF patients.
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Affiliation(s)
- V Teplan
- Klinika nefrologie, Transplantacní centrum IKEM.
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