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Tytuł:
Morphological, Developmental, and Ecological Characteristics of the Suctorian Ciliate Ephelota gigantea (Ciliophora, Phyllopharyngea, Ephelotidae) Found on Cultured Wakame Seaweed in Northeastern Japan
Autorzy:
SATO, Yuma
Muto, Takaaki
ENDO, Yoshinari
Kobayashi, Toshimasa
Nakano, Nobuyuki
Sato, Hiroyasu
Nishitani, Goh
Sato-Okoshi, Waka
Powiązania:
https://bibliotekanauki.pl/articles/763766.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Ephelota gigantea, wakame seaweed, parasite, suctorian
Opis:
Wakame seaweed is an important aquatic resource in Iwate Prefecture. However, a suctorian Ephelota gigantea sometimes causes great damage to wakame culture. Since little is known about the biological characteristics of E. gigantea, its detailed morphology and temporal change of biological characteristics during the 2010 culture season were investigated. Scanning electron microscope observations showed that E. gigantea had different striation patterns on the stalk; there was a swell made of cement by which the stalk was attached to wakame firmly; and the buds had cilia arranged in concentric circles about a ring in the center of the ventral side. A suctorian parasite was found to infect E. gigantea, and the infection seemed to have decreased drastically the attached density of E. gigantea on wakame. Cell size of parasite-infected E. gigantea individuals was larger than that of uninfected individuals, probably because larger E. gigantea has larger surface area for attachment of the parasite. Cyst formation or conjugating individuals were not observed.
Źródło:
Acta Protozoologica; 2015, 54, 4
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dirty Tricks in the Plankton: Diversity and Role of Marine Parasitic Protists
Autorzy:
Skovgaard, Alf
Powiązania:
https://bibliotekanauki.pl/articles/763561.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Parasite, parasitoid, phytoplankton, plankton, zooplankton
Opis:
Parasitism is an immensely successful mode of nutrition and parasitic organisms are abundant in most ecosystems. This is also the case for marine planktonic ecosystems in which a large variety of parasitic species are known. Most of these parasites are protists and they infect a wide range of hosts from the marine plankton, ranging from other protists to larger planktonic invertebrates. Parasites often have morphologies and life cycles that are highly specialized as compared to their free-living relatives. However, this does not mean that parasites are necessarily odd or rare phenomena; on the contrary parasites constitute numerically and ecologically important components of the ecosystem. This review gives an overview of the existing knowledge on the diversity and occurrence of parasitic protists in the marine plankton and examines the available information on the potential effects and role of parasitism in this ecosystem. Importance is given to the fact that prevalence and impact of parasitic organisms in marine planktonic systems appear to be overwhelmingly understudied.
Źródło:
Acta Protozoologica; 2014, 53, 1
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ultrastructural Re-description of Henneguya piaractus (Myxozoa), a Parasite of the Freshwater Fish Piaractus mesopotamicus (Teleostei, Characidae) from the Paraguai River, Brazil
Autorzy:
AZEVEDO, Carlos
Marques, Débora K. S.
Casal, Graça
Amaral, Cristiane M. C.
Silva, Edinael V.
Matos, Patrícia
Matos, Edilson
Powiązania:
https://bibliotekanauki.pl/articles/763491.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Brazilian fish, Henneguya piaractus, Myxozoa, parasite, ultrastructure
Opis:
Ultrastructural analyses of fish-infecting myxosporean Henneguya piaractus that is found in the gill lamellae of the freshwater teleost Piaractus mesopotamicus (Characidae) and collected from the Paraguai River, Brazil were described. The parasite occurs within large whitish spherical to ellipsoidal polysporic cysts (up to 2.5 mm long) delimited by a layer of fibroblasts generally connected with some capillaries on the gill epithelium. No external morphological signs of disease were visible in the infected fishes. The tailed spores measured 61.5 ± 0.91 (60.2–62.6) μm in total length and ellipsoidal spore body 21.1 ± 0.62 (20.6–21.9) μm long, 6.7 ± 0.40 (6.2–7.3) μm wide and 2.5 ± 0.54 (2.0–3.1) μm thick. The spore wall was about 97 nm of thickness and consisted of a thin electron-dense exospore and a thick electron-lucent endospore with about 85 nm of thickness. The tailed spores were composed of two equal–sized shell valves adhering together along the straight suture line each having in continuity a equal caudal tapering tail measuring 40.5 ± 1.02 (38.7–43.1) μm in length. Two symmetric polar capsules measured 9.8 ± 0.28 (9.3–10.1) μm long and 1.9 ± 0.37 (1.4–2.4) μm wide, each having a polar filament with 10–11 (rarely 12) coils
Źródło:
Acta Protozoologica; 2010, 49, 2
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ultrastructure of Gametocyst of Parasitic Protozoan, Nematopsis sp. in Black Tiger Shrimp Penaeus monodon from the Gulf of Thailand
Autorzy:
TUNTIWARANURUK, Chanawat
NOPPHARATARPHAKUL, Jantanee
BOONMAMEEPOOL, Jirat
UPATHAM, E. Suchart
Powiązania:
https://bibliotekanauki.pl/articles/763658.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Nematopsis, Protozoa, parasite, gametocyst, gymnospore, ultrastructure
Opis:
Ultrastructure of gametocyst of Nematopsis sp., a protozoa parasite of black tiger shrimp Penaeus monodon from the Gulf of Thailand is described. Ball-shaped gametocysts of about 110–160 µm diameter were found in close contact with the intestinal wall of shrimps. Surface of the gametocyst cyst wall or capsule is wrinkled with a circular bare area at one pole that contains a central pore 4–5 µm in diameter. The interior of the gametocyst is composed of numerous gymnospores and membranous sacs. Gymnospores varied in size with an average diameter of 6–8 µm. Ball-shaped gymnospores were composed of numerous, radially arranged, cone shaped sporozoites. Average width and length of sporozoites were 0.8–1.2 µm and 3–5 µm, respectively, with their rostral part pointing outward and caudal part, inward connecting to the residual cytoplasm in the centre of a gymospore. The rostral part of the sporozoite contains an oval nucleus, rough endoplasmic reticulum, mitochondria and a group of secretory granules. Membranous sacs were composed of two types of globular granules; large electron lucid granules and small dense granules.
Źródło:
Acta Protozoologica; 2015, 54, 2
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Light and Scanning Electron Microscopy (SEM) of Ortholinea africanus Abdel-Ghaffar et al., 2008 (Myxozoa: Myxosporea) Infecting Tilapia Fish Oreochromis niloticus (Osteichthyes: Cichlidae) with Description of Preparation of Coelozoic Myxosporea for SEM
Autorzy:
ALI, Mohamad Ahmad
Powiązania:
https://bibliotekanauki.pl/articles/763682.pdf
Data publikacji:
2009
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Myxosporea, Ortholinea, Oreochromis, Protozoa, Parasite, Tilapia, Nile
Opis:
Ortholinea africanus Abdel-Ghaffar et al., 2008 is re-described using light and scanning electron microscopy (SEM) to reveal the external ornamentation of the spores. Present spores matched the original description in morphology but were larger in all dimensions. They measured 9.6 ± 0.8 (8.1–10.9) μm in length, 9.5 ± 0.6 (8.8–10.9) μm in width and 8.9 ± 0.4 (8.6–9.1) μm in thickness. Polar capsules were 3.9 ± 0.3 (3.0–4.3) μm in length with polar filaments turned 4–6 turns. The pattern of polar filament coils was different in each of the polar capsules. In the same spore, one capsule contained oblique filament turns to the longitudinal axis of the capsule, while the other capsule contained perpendicular turns. SEM revealed completely different shell ridge patterns than those described by light microscopy in the original description. This emphasizes the necessity of SEM in the reliable description of any myxosporean genera with external shell ornamentation like Ortholinea and Chloromyxum. The present species is considered the first (purely) freshwater Ortholinea described from a proper freshwater host. Three different methods of isolation and preparation of coelozoic spores for SEM were evaluated. The best combination was using a syringe filter holder with a membrane filter of 5 μm pore nucleopore filters.
Źródło:
Acta Protozoologica; 2009, 48, 2
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Myxosporean infection of Grey Mullet in the Ebro Delta: Identification and Ultrastructure of Myxobolus ichkeulensis Bahri & Marques, 1996 Infecting the Gills of Mugil cephalus L.
Autorzy:
Maillo-Bellón, Pedro-Andrés
Powiązania:
https://bibliotekanauki.pl/articles/763664.pdf
Data publikacji:
2011
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Fish parasite, aquaculture, Myxozoa, ultrastructure, Myxobolus ichkeulensis, Mugil cephalus
Opis:
The ultrastructural characteristics of the sporogenesis of Myxobolus, which infect the brachial arches of Mugil cephalus, is presented. The prevalence of infection was 52.7%. The ultrastructural features of the Myxobolus species studied in general comply with known features of this genus. Based on the ultrastructural morphology and specificity to the host organ, we conclude that this species is Myxobolus ichkeulensis (Bahri and Marques 1996).
Źródło:
Acta Protozoologica; 2011, 50, 1
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Występowanie jaj pasożytów przewodu pokarmowego na warzywach
Vystupanie jaic parazitov pishhevaritelnogo trakta na ovoshhakh
Eggs of digestive system parasites on vegetables
Autorzy:
Zdzienicki, S.
Powiązania:
https://bibliotekanauki.pl/articles/876272.pdf
Data publikacji:
1959
Wydawca:
Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
Tematy:
pasozyty przewodu pokarmowego
jaja pasozytow
wystepowanie
zrodla zakazenia
warzywa
zanieczyszczenia
internal parasite
parasite
egg
occurrence
infection source
vegetable
pollutant
Źródło:
Roczniki Państwowego Zakładu Higieny; 1959, 10, 6
0035-7715
Pojawia się w:
Roczniki Państwowego Zakładu Higieny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cutaneous larva migrans - a threat to divers in the tropics
Larwa skórna wędrująca - zagrożenie dla nurków w tropiku
Autorzy:
Olszański, R.
Siermontowski, P.
Dąbrowiecki, Z.
Powiązania:
https://bibliotekanauki.pl/articles/366644.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Medycyny i Techniki Hiperbarycznej
Tematy:
tropics
parasite
beach
diving
tropik
pasożyt
plaża
nurkowanie
Opis:
The article presents a dermatosis that occurs in tropical and subtropical countries. Though the definitive hosts of the cutaneous larva migrans parasite are animals, humans can become accidental hosts and they are infected when their skin comes into contact with damp soil, most frequently sand. The disease is only present in the epidermis where an itch is brought about by the mining activity of the larva. Sunbathers and divers who put on their gear on a beach, on account of the epidermis maceration caused by a prolonged exposure to water, are particularly susceptible to the penetrative activities of the larva. In Poland the cutaneous larva migrans is in most cases mistaken for nettle rash or eczema.
Artykuł przedstawia występującą w krajach tropikalnych i subtropikalnych dermatozę. Larwa skórna wędrująca jest pasożytem, których ostatecznymi żywicielami są zwierzęta. Człowiek jest przypadkowym żywicielem. Do zarażenia u człowieka dochodzi podczas kontaktu skóry z wilgotną ziemią, a najczęściej piaskiem. Choroba przebiega tylko w naskórku, larwa drąży kręty korytarz wywołując świąd. Narażeni są plażowicze i przebierający się na plaży nurkowie, których zmacerowany długim pobytem w wodzie naskórek, ułatwia penetrację larw. W Polsce zarażenie larwa skórną wędrującą w większości przypadków jest błędnie rozpoznawane jako pokrzywka lub wyprysk.
Źródło:
Polish Hyperbaric Research; 2016, 3(56); 33-36
1734-7009
2084-0535
Pojawia się w:
Polish Hyperbaric Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ultrastructure of the Plasmodial Development of Myxobolus insignis (Myxozoa), Infecting the Amazonian Fish Semaprochilodus insignis (Prochilodontidae)
Autorzy:
AZEVEDO, Carlos
De São Clemente, Sérgio Carmona
Casal, Graça
Matos, Patrícia
OLIVEIRA, Elsa
AL-QURAISHY, Saleh
Matos, Edilson
Powiązania:
https://bibliotekanauki.pl/articles/763479.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Amazonian Region, fish, gill, plasmodium, myxosporean, parasite, ultrastructure
Opis:
This study used light and electron microscopy to describe a myxosporean, polysporic, histozoic plasmodium infecting the gill filaments of the freshwater teleost, Semaprochilodus insignis, specimens of which were collected from the Trombetas River (Central Amazonian Region, Brazil). Ultrastructural analyses of the fish-infecting spores identified the parasite as Myxobolus insignis, an organism that occurs within whitish unequal-sized plasmodia located in the intralamellar epithelium of the gill. Based on the observed morphological and ultrastructural features of the plasmodia in this study three stages in the plasmodial evolution were distinguished, related to the sporogonic stages of Myxobolus insignis. The plasmodium walls were also found to constitute a number of layers of fibroblasts, surrounded by collagen fibres, which displayed different morphological arrangements according to the different phases of evolution. This represents the first time such ultrastructural features have been described in detail for Myxobolus insignis plasmodia and offers potentially significant points of comparison with plasmodia from other species of myxosporea.
Źródło:
Acta Protozoologica; 2013, 52, 2
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
High-Density Cultivation of the Marine Ciliate Uronema marinum (Ciliophora, Oligohymenophorea) in Axenic Medium
Autorzy:
ZHENG, Weibo
Gao, Feng
Warren, Alan
Powiązania:
https://bibliotekanauki.pl/articles/763770.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Axenic cultivation, ciliates, fish parasite, scuticociliatosis, Uronema marinum
Opis:
Uronema marinum is a cosmopolitan marine ciliate. It is a facultative parasite and the main causative agent of outbreaks of scuticociliatosis in aquaculture fish. This study reports a method for the axenic cultivation of U. marinum in high densities in an artificial medium comprising proteose peptone, glucose and yeast extract powder as its basic components. The absence of bacteria in the cultures was confirmed by fluorescence microscopy of DAPI-stained samples and the failure to recover bacterial SSU-rDNA using standard PCR methods. Using this axenic medium, a maximum cell density of 420,000 ciliate cells/ml was achieved, which is significantly higher than in cultures using living bacteria as food or in other axenic media reported previously. This method for high-density axenic cultivation of U. marinum should facilitate future research on this economically important facultative fish parasite.
Źródło:
Acta Protozoologica; 2015, 54, 4
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena częstości występowania pierwotniaków pasożytniczych z rodzajów Cryptosporidium i Giardia w wybranych kąpieliskach województwa mazowieckiego
Evaluation of prevalence of protozoan parasites Cryptosporidium and Giardia in selected swimming areas in Masovian Voivodship
Autorzy:
Szczotko, M.
Matuszewska, R.
Giziński, R.
Krogulska, B.
Powiązania:
https://bibliotekanauki.pl/articles/237722.pdf
Data publikacji:
2015
Wydawca:
Polskie Zrzeszenie Inżynierów i Techników Sanitarnych
Tematy:
pierwotniak pasożytniczy
oocysta
cysta
klostridia
protozoan parasite
oocysts
cyst
clostridia
Opis:
Pierwotniaki pasożytnicze z rodzajów Cryptosporidium i Giardia nie są elementem kontroli jakości wód powierzchniowych, na których usytuowane są kąpieliska. W pracy podjęto ocenę częstości występowania tych pierwotniaków w wybranych wodach powierzchniowych wykorzystywanych do rekreacji na terenie województwa mazowieckiego. Dodatkowo oznaczono wartości wskaźników mikrobiologicznych (E. coli, enterokoki) oraz zawartość przetrwalników klostridiów redukujących siarczyny. Badania potwierdziły obecność Cryptosporidium sp. i Giardia sp., odpowiednio w 65% i 95% badanych próbek wody. Średnia liczba wykrytych pierwotniaków Cryptosporidium sp. wynosiła 0,11 oocyst w 1 dm3, a Giardia sp. 0,31 cyst w 1 dm3 wody. Źródłem (oo)cyst w wodzie mogły być zanieczyszczenia rolnicze, a także nieuregulowana gospodarka ściekowa gospodarstw położonych w pobliżu kąpielisk. Liczba spor klostridiów redukujących siarczyny (wskaźnik nienormowany) nie przekraczała 50 jtk/100 cm3. Wyniki wykonanych oznaczeń wskazały na celowość rozszerzenia zakresu rutynowych badań mikrobiologicznych wody przeznaczonej do rekreacji o te wskaźniki sanitarne w celu poprawy bezpieczeństwa zdrowia ludzi.
Monitoring of protozoan parasite species, Cryptosporidium and Giardia, is not covered by quality control system of surface waters in designated swimming areas. The objective of this study was to assess the prevalence of these protozoa in the selected surface waters used for recreational activities in Masovian voivodship. In addition, microbiological parameters (E.coli, enterococci) as well as the spore content of sulphite-reducing clostridia were determined. The studies confirmed the presence of Cryptosporidium sp. and Giardia sp. in 65% and 95% of tested water samples, respectively. The average number of detected Cryptosporidium sp. oocysts was 0.11 oocysts per 1 dm3, while of Giardia sp. – 0.31 cysts per 1 dm3 of water. The source of protozoan oocysts could be agricultural contamination as well as unregulated processes of wastewater management at farms located near the swimming areas. The spore number of sulphite-reducing clostridia (non-standardized parameter) did not exceed 50 cfu/100 cm3. The study results confirm that it is purposeful to extend the routine microbiological testing methodology of recreational water by the discussed sanitary indicators in order to improve health security of the population.
Źródło:
Ochrona Środowiska; 2015, 37, 1; 49-53
1230-6169
Pojawia się w:
Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of clinical symptoms and selected hematological indices in hospitalized children with Ascaris lumbricoides infection from the northeastern region of Poland
Analiza objawów klinicznych i wybranych wskaźników hematologicznych u hospitalizowanych dzieci z zarażeniem Ascaris lumbricoides z rejonu północno-wschodniej Polski
Autorzy:
Wasilewska, J.
Kaczmarski, M.
Sawicka-Zukowska, M.
Tomaszewska, B.
Majewska, A.
Plewa, K.
Oldak, E.
Debkowska, K.
Powiązania:
https://bibliotekanauki.pl/articles/839626.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
ascariasis
Polska
child
clinical symptom
hematological index
human disease
Ascaris lumbricoides
blood
helminth
parasite
diagnosis
Źródło:
Annals of Parasitology; 2011, 57, 1
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Description of Triangulamyxa psittaca sp. n. (Myxozoa: Myxosporea), a new parasite in the urinary bladder of Colomesus psittacus (Teleostei) from the Amazon River, with emphasis on the ultrastructure of plasmodial stages
Autorzy:
Rocha, Sónia
Casal, Graça
Matos, Patrícia
Matos, Edilson
Dkhil, Mohamed A.
AZEVEDO, Carlos
Powiązania:
https://bibliotekanauki.pl/articles/763644.pdf
Data publikacji:
2011
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Ultrastructure, plasmodia, myxosporean, Triangulamyxa psittaca sp. nov., parasite, urinary bladder, freshwater fish, Colomesus psittacus
Opis:
A fish-infecting myxosporean was found in the urinary bladder of the teleostean Colomesus psittacus, collected from the Amazon River, Brazil. Specimens were sampled in three different periods: May and June, with water temperature ranging from 18–23ºC; August, with water temperature ranging from 24–28ºC; and November and December, with water temperature ranging from 29–32ºC. Upon observation, several fish displayed abnormal behaviour, consisting of erratic movements, and mortality was recorded among them. Necropsy of all sampled fishes revealed hypertrophy of the urinary bladder only among specimens previously displaying the irregular behaviour. Microscopic analysis of this organ confirmed the parasitic infection, resulting in the observation of spores floating free in the urine, and numerous plasmodia attached to the epithelium of the urinary bladder. Light and ultrastructural studies allowed recognition of the spores and plasmodia morphological characteristics. Coelozoic plasmodia were polysporic with varying organizational structure, according to the sampling period. Spores were equilaterally triangular with rounded ends in valvar view, measuring 8.8 ± 0.4 μm (n = 30) in length and 8.4 ± 0.5 μm (n = 30) in width, and displaying a ridge surface pattern. Two polar capsules were observed in the anterior end of the spores, measuring 3.1–3.2 μm in diameter. The spores were morphologically identified as belonging to the recently described genus Triangulamyxa. Further observation and comparison to the morphological features described for Triangulamyxa amazonica, the only other species within this genus, allowed us to conclude our parasite as a new species, herein named Triangulamyxa psittaca sp. nov. from the Amazon River, Brazil. Also, three different stages were distinguished in the plasmodium evolution, based on the observed morphological features at the three sampling periods. Fish sampled during May and June displayed small plasmodia (up to ~ 15–20 μm long), containing early stages of sporogenic development. Fish sampled during November and December presented larger plasmodia (up to ~ 850 μm long), which appeared flattened against and lining the urinary bladder epithelial cells and contained the later stages of sporogenic development, including some mature spores. Fish sampled during August presented plasmodia displaying intermediate morphological features between those observed in infected fish from the other sampling periods. Several immature and mature spores were among the different developmental stages. The parasite-host interface evolution is described throughout the different observed stages, with emphasis on the formation of septate junctions. Considering several previous reports, as well as the different environmental conditions during the sampling periods, the plasmodium development here described appears to be influenced by environmental factors, namely water temperature.
Źródło:
Acta Protozoologica; 2011, 50, 4
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza objawów klinicznych i wybranych wskaźników hematologicznych u hospitalizowanych dzieci z zarażeniem Ascaris lumbricoides z rejonu północno-wschodniej Polski
Analysis of clinical symptoms and selected hematological indices in hospitalized children with Ascaris lumbricoides infection from the northeastern region of Poland
Autorzy:
Wasilewska, J.
Kaczmarski, M.
Sawicka-Żukowska, M.
Tomaszewska, B.
Majewska, A.
Plewa, K.
Ołdak, E.
Dębkowska, K.
Powiązania:
https://bibliotekanauki.pl/articles/2143294.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
ascariasis
Polska
child
clinical symptom
hematological index
human disease
Ascaris lumbricoides
blood
helminth
parasite
diagnosis
Opis:
Ascariasis is the most common soil-transmitted helminth infection in the world. The objective of this study was to analyze the clinical symptoms and selected hematological indices of ascariasis in hospitalized children from the northeastern region of Poland. Patients in the Pediatric Ward hospitalized in the Regional Hospital in Dąbrowa Białostocka in the period of 2005–2007 were included in this retrospective study. The intestinal stage of ascariasis was diagnosed on the basis of positive coprological survey performed using the decantation technique. A total of 938 patients were included in the study, 1801 stool samples were evaluated, and A. lumbricoides-positive tests were obtained from 252 children. Ascaris-positive young children (3 yrs) accounted for 3.0% of all hospitalized children, Ascarispositive preschool-aged children (4–7 yrs) accounted for 8.1% and school-aged children (8–18 yrs) for 15.8%. Seasonal patterns were observed in the prevalence of A. lumbricoides (maximum in August–December). There was no relationship between BMI z-score, hemoglobin levels and prevalence of infection with Ascaris lumbricoides. Significant predictors of intestinal stage ascariasis in a multivariate logistic regression model were: abdominal pain as a reason for hospital admission (OR–2.19; 95%CI 1.62–2.95; p<0.001) and age from 4 to 7 years (OR–2.0; 95%CI 1.41–2.80; p<0.001). The prevalence rate of ascariasis was not higher in the group of patients with atopic diseases (bronchial asthma, allergic rhinitis, atopic dermatitis) and co-existing ascariasis did not affect the eosinophil counts in the peripheral blood. Ascariasis is still a current pediatric clinical problem characterized by non-specific clinical manifestations, which should be taken into consideration in the differential diagnosis of children’s diseases.
Źródło:
Wiadomości Parazytologiczne; 2011, 57, 1; 43-51
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 20

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