Demodicosis hauv dev

Demodex tshuaj - Nws yog ib txwm nyob ntawm daim tawv nqaij ntawm cov dev thiab tuaj yeem pom nyob rau hauv daim tawv nqaij thiab pob ntseg kwj dej txawm nyob rau hauv cov tsiaj noj qab haus huv. Nws tau txais ntawm daim tawv nqaij ntawm cov menyuam mos yug tshiab los ntawm leej niam hauv thawj 2-3 hnub ntawm lub neej. Nws yog tsis yooj yim sua kom kis tau tus mob demodicosis los ntawm tus dev mob; Kev kis kab mob intrauterine kuj raug cais tawm. Hauv kev kawm txog cov ntaub so ntswg ntawm cov dev uas tuag vim muaj ntau yam kab mob, cov kab mob no kuj pom muaj nyob rau hauv lub cev, hauv cov zis, quav thiab ntshav. Tab sis cov kev tshawb pom zoo li no tau suav tias yog qhov xwm txheej, vim tias tus zuam nqus pa oxygen thiab, raws li, tsis tuaj yeem nyob hauv lub cev. Lub drift ntawm zuam mus rau hauv lub cev nyob rau hauv lub cev tshwm sim nrog cov ntshav thiab lymph los ntawm lub hom phiaj ntawm o. Sab nraum lub cev, cov mites no kuj tsis tuaj yeem nyob.

Yuav luag 80% ntawm cov neeg mob demodicosis tau pom hauv cov dev purebred, tsuas yog 20% ​​tshwm sim hauv cov tsiaj txhu. Kuj tseem muaj qhov ua rau muaj menyuam yaus: piv txwv li, Scottish Terrier, Shar Pei, Afghan Hound, Great Dane, English Bulldog, West Highland White Terrier, Doberman tau mob ntau dua li lwm tus.

Diam duab ntawm demodicosis hauv dev

Ua rau

Lub ntsiab yog vim li cas rau kev loj hlob ntawm demodicosis nyob rau hauv dev - Nws txo kev tiv thaiv. Kev tiv thaiv kab mob tuaj yeem txo qis rau keeb kwm ntawm ntau yam kab mob uas muaj nyob rau hauv cov tsiaj: kis kab mob, inflammatory, ntshav qab zib mellitus, malignant qog, endocrine ntshawv siab, raws li zoo raws li thaum lub sij hawm estrus thiab cev xeeb tub nyob rau hauv bitches. Kev siv ntau yam tshuaj uas muaj cov tshuaj tiv thaiv kab mob (piv txwv li, tshuaj los ntawm pawg glucocorticosteroids) kuj ua rau txo qis hauv kev tiv thaiv kab mob. Cov xwm txheej tsis zoo rau kev khaws tus dev, kev noj zaub mov tsis zoo, tsis muaj kev tawm dag zog, cov ntsiab lus muaj neeg coob, tsis muaj chav sov rau khaws cia thaum lub caij txias - tag nrho cov no ua rau muaj kev txo qis hauv lub cev lub cev tiv thaiv kab mob thiab tuaj yeem dhau los ua qhov tseem ceeb hauv kev txhim kho demodicosis. Lwm qhov ua rau demodicosis - ib tug genetic defect, uas yog, inherited. Qhov kev tsis zoo no cuam tshuam rau lymphocytes (cov cell ntawm lub cev tiv thaiv kab mob), uas ua rau tsis muaj kev tswj hwm ntawm cov kab mob parasites.

Cov tsos mob ntawm demodicosis hauv dev

Thawj qhov kos npe rau kev xav tias kev loj hlob ntawm tus kab mob hauv koj tus dev yog - qhov no yog qhov tsos ntawm alopecia, uas yog, thaj chaw ntawm lub cev nrog cov plaub hau poob thiab kev ua txhaum ntawm txoj kev loj hlob ntawm cov tshiab. Lwm cov tsos mob ntawm demodicosis hauv tus dev tuaj yeem yog liab thiab tev ntawm daim tawv nqaij, tsim pustules. Kev saib xyuas tshwj xeeb yuav tsum tau them rau ntawm daim tawv nqaij ib ncig ntawm lub qhov muag, daim di ncauj. Hauv thawj theem ntawm demodicosis, tus dev yuav tsis khaus, thiab cov kab mob no yuav tsis ua rau muaj kev txhawj xeeb rau tus tsiaj. Kev khaus tshwm sim tsuas yog thaum cov kab mob thib ob lossis cov kab mob fungal txuas nrog cov kab mob uas twb muaj lawm. Cov kab mob Staphylococcus (feem ntau Staphylococcus pseudintermedius) tuaj yeem pom ntau zaus, streptococci, cov kab mob zoo li tus kab mob thiab cov kab mob poov xab (genus Malassezia) yog qhov tsis tshua muaj tshwm sim. Hauv tshwj xeeb yog tsis saib xyuas, tej zaum yuav muaj kev nyuaj siab ntawm kev noj qab haus huv, tsis kam noj, tus tsiaj kuj yuav tuag los ntawm sepsis.

Hom demodicosis

Raws li qhov tshwm sim ntawm cov kab mob, ib tus tuaj yeem paub qhov txawv ntawm qhov chaw hauv cheeb tsam (me me ntawm cov kab mob ntawm lub cev) thiab kev demodicosis dav dav (ntev qhov chaw loj ntawm daim tawv nqaij). Thaum muaj hnub nyoog, nws tau muab faib ua cov menyuam yaus (demodicosis hauv menyuam dev) thiab cov dev laus. Los ntawm hom kev kho mob tshwm sim - pustular (pyodemodecosis), papular (nodular), squamous (scaly) thiab sib tov.

Laus

Feem ntau nws tuaj yeem pom hauv cov dev me (txog li 1 xyoos). Raws li cov ntaub ntawv niaj hnub no, demodicosis yog suav tias yog hauv zos yog tias muaj tsib lossis tsawg dua qhov txhab ntawm lub cev nrog txoj kab uas hla mus txog 2,5 centimeters. Cov kab mob no yog thaj chaw zoo-demarcated, tsis muaj plaub hau, nrog lossis tsis muaj liab, thiab tev tawm kuj ua tau. Cov tawv nqaij yuav muaj xim xiav-grey tint, comedones (dub dots) thiab cov ntxhiab tsw tsw qab yog qee zaum sau tseg. Feem ntau, cov kab mob no muaj nyob rau ntawm lub muzzle, lub taub hau, caj dab, pem hauv ntej ob txhais ceg. Koj tuaj yeem pom tus yam ntxwv "demodectic" tsom iav hauv daim ntawv ntawm qhov muag liab ntawm lub qhov muag. Kwv yees li 10% ntawm cov xwm txheej ntawm chav kawm hauv cheeb tsam hloov mus rau hauv daim ntawv dav dav.

Generalized

Daim duab kho mob zoo ib yam li localized demodicosis, tab sis nws ntes ntau thaj chaw ntawm tus dev daim tawv nqaij. Nws yog kev cai hu ua generalized demodicosis yog tias muaj ntau dua 5 qhov txhab, lossis cov kab mob no ntau dua 2,5 centimeters, lossis yog tias ib feem ntawm lub cev raug cuam tshuam tag nrho (tag nrho cov muzzle, tag nrho ceg, thiab lwm yam). . Cov tsos mob tshwm sim muaj xws li baldness, tev, comedones, darkening ntawm daim tawv nqaij. Feem ntau yuav, qhov sib ntxiv ntawm cov kab mob thib ob lossis cov kab mob fungal, uas ua rau cov tsos ntawm pob txuv thiab pustules, boils (mob nyob rau hauv thaj tsam ntawm cov hauv paus plaub hau, uas yog, twb nyob rau hauv lub tob txheej ntawm daim tawv nqaij) thiab fistulas. Nrog rau qhov sib txawv ntawm cov chav kawm no, khaus khaus yuav yog ib feem ntawm tus kab mob, thiab dhau sij hawm nws yuav loj hlob mus rau qhov mob tiag tiag. Hauv cov mob hnyav heev, ib tus yuav tsum cia siab tias yuav nce cov qog ntshav qab zib, txo qis hauv qab los noj mov, thiab kev nyuaj siab ntawm tus mob. Yog tsis muaj kev kho mob, tus tsiaj yuav tuag sai sai.

Generalized demodicosis kuj suav nrog kev puas tsuaj rau cov ceg ntawm tus dev. - pododemodecosis. Koj tuaj yeem saib o ntawm paws, darkening ntawm daim tawv nqaij, interdigital cysts, fistulous passages nrog outflows ntawm ib tug txawv qhov ntawm lawv, lameness vim mob. Tus dev yuav luag tas li, tshwj xeeb tshaj yog cov pawm thiab nruab nrab ntawm cov ntiv taw. Tej zaum yuav nruj thaum sim ntxuav lawv cov paws tom qab taug kev. Podomodecosis yog qhov nyuaj rau kho.

Muaj tsawg zaus, txawm tias pob ntseg pob ntseg raug cuam tshuam, ua rau otitis externa (otodemodicosis). Hom kab mob no kuj hais txog daim ntawv dav dav. Koj tuaj yeem saib liab ntawm pob ntseg sab hauv, xim av tawm, tsis hnov ​​tsw ntawm pob ntseg. Nyob rau tib lub sijhawm, tus dev tuaj yeem co nws lub taub hau, rub nws lub pob ntseg tawm tsam ntau yam khoom, thiab tseem khawb pob ntseg thiab thaj tsam ntawm pob ntseg (pob ntseg, caj dab).

Hluav Taws Xob

Juvenile demodicosis yog kab mob ntawm cov menyuam dev hnub nyoog feem ntau ntawm 6 txog 12 lub hlis. Hom demodicosis no yuav luag ib txwm tshwm sim los ntawm kev hloov pauv ntawm kev tiv thaiv kab mob, uas yog, ib tus niam txiv kuj mob. Cov kab mob ntawm cov menyuam dev no tsis muaj peev xwm tswj hwm tus lej ntawm cov zuam, vim tias lawv cov pej xeem nce thiab lawv ua rau muaj qhov tshwm sim ntawm tus kab mob. Cov tsiaj zoo li no yuav tsum raug tshem tawm ntawm kev yug me nyuam kom tsis txhob kis tus kab mob. Cov tsos mob ntawm tus kab mob no yuav nyob ntawm seb tus kab mob no tshwm sim li cas (localized lossis generalized).

cov tsiaj laus

Hauv cov tsiaj laus, kev loj hlob ntawm tus kab mob feem ntau yuav cuam tshuam nrog kev txo qis hauv kev tiv thaiv kab mob hauv qab ntawm tus kab mob. Yog li ntawd, thaum kuaj pom demodicosis hauv cov dev laus, kev kuaj xyuas tag nrho ntawm kev noj qab haus huv kuj tseem tsim nyog: kev kuaj xyuas lub cev thiab kev tshawb fawb ntxiv. Kev saib xyuas tshwj xeeb yuav tsum tau them rau kev tshawb nrhiav cov kab mob xws li ntshav qab zib mellitus, hypothyroidism, hyperadrenocorticism, thiab qog nqaij hlav malignant. Raws li cov ntaub ntawv, kev kho mob zoo ntawm cov kab mob hauv qab muab kev tso cai zoo rau demodicosis. Txawm li cas los xij, ntau tshaj li ib nrab ntawm cov dev uas tau ua tiav kev kuaj pom tsis muaj lwm yam kab mob. Lwm qhov ua rau demodicosis nyob rau hauv cov neeg laus cov tsiaj yog kev siv ntev ntawm cov tshuaj tiv thaiv kab mob uas tau sau tseg los kho tus kab mob thawj zaug.

pustular

Daim ntawv no yog tus cwj pwm los ntawm cov tsos ntawm pustules ntawm daim tawv nqaij. Cov pustules tawg tom qab ib pliag, lawv cov ntsiab lus ntws tawm thiab qhuav tawm. Cov tawv nqaij yuav tig liab los yog tsaus, nws yuav wrinkled thiab firmer, thiab ib qho tsis kaj siab tsw tshwm. Kab mob ntawm daim tawv nqaij tshwm sim sai txaus thiab kis mus rau lwm qhov chaw ntawm lub cev uas tsis yog Ameslikas cuam tshuam los ntawm parasite.

Papular

Nrog rau daim ntawv no, sib npaug, feem ntau liab thiab txawv qhov txwv nodules tuaj yeem pom nyob rau hauv ntau qhov chaw ntawm lub cev, lawv txoj kab uas hla tuaj yeem ncav cuag 1-6 millimeters. Cov nodules tej zaum yuav khaus ntawm tus dev, tab sis lawv kuj yuav tsis ua rau muaj kev txhawj xeeb txhua.

Squamous

Nrog rau hom squamous, me me, mosaic lesions tshwm rau ntawm daim tawv nqaij ntawm tus dev, npog nrog bran zoo li nplai. Sij hawm dhau mus, lawv pib sib koom ua ke, hauv cov chaw no muaj ntau cov plaub hau poob.

mixed

Hom kab mob no suav nrog tag nrho cov tsos mob saum toj no (papules, pustules thiab nplai) thiab tuaj yeem ua rau mob hnyav heev, ua rau kev nyuaj siab ntawm tus tsiaj.

diagnostics

Kev kuaj mob tau ua tiav, suav nrog keeb kwm (kev tsis txaus siab raws li tus tswv, keeb kwm kev kho mob), kev kuaj lub cev, thiab kev sim kuaj. Txoj kev tseem ceeb ntawm kev lees paub qhov kev kuaj mob yog microscopy ntawm daim tawv nqaij scrapings. Scraping yog tsim nyog los ntawm txhua qhov chaw ntawm lub cev. Lub scraping yuav tsum sib sib zog nqus txaus, nqa tawm nrog ib tug scalpel kom txog thaum thawj tee ntshav tshwm sim, txij li thaum tus zuam zaum nyob rau hauv lub tob txheej ntawm daim tawv nqaij (cov plaub hau follicle). Trichoscopy (kev tshuaj xyuas ntawm cov plaub hau plucked) los yog ib qho kev kuaj nplaum (khoom siv rau kev kuaj xyuas siv daim kab xev nqaim ntawm daim kab xev) kuj tseem yuav pab tau. Yog hais tias muaj tag nrho pustules ntawm lub cev, nws yog ib qho tsim nyog yuav tau ua ib qho microscopy ntawm lawv cov ntsiab lus. Txhawm rau kuaj mob, koj yuav tsum pom ntau tus zuam ntawm ntau theem ntawm lawv txoj kev loj hlob. Qhov kev tshawb pom ntawm ib tus zuam tuaj yeem yog qhov kev tshawb nrhiav tsis raug, tab sis tseem yuav tsum tsis txhob raug ignored kiag li. Hauv cov xwm txheej zoo li no, kev khawb raug pom zoo kom rov ua dua tom qab ib ntus (2-3 lub lis piam) kom paub meej qhov kev kuaj mob. Yog tias xav tias otodemodecosis, tom qab kuaj xyuas cov ntsiab lus ntawm cov kwj dej sab nraud yog ua. Hauv cov xwm txheej tsis txaus ntseeg tshwj xeeb, daim tawv nqaij biopsy nrog nws cov kev kuaj mob histological yuav raug pom zoo. Tsis tas li ntawd, nyob rau hauv cov teeb meem tsis ntseeg, kev sim tshuaj kho mob yuav raug muab los ntawm tus kws kho mob, txawm tias qhov kev kuaj mob tsis tuaj yeem lees paub ntawm qhov kev teem caij thawj zaug.

Kev kho demodicosis hauv dev

Hauv cov txheej txheem niaj hnub no rau kev kho demodicosis hauv dev, kev npaj qhov ncauj zoo tshaj plaws los ntawm pawg isoxazoline (fluralaner, afoxolaner, sarolaner) yog siv. Cov tshuaj no kuj tseem siv los tiv thaiv dev mub thiab zuam tom mus tas li, tsis muaj kev pheej hmoo ntawm kev ua phem rau lub cev thaum siv raws li cov lus qhia. Cov txheej txheem ntawm kev kho mob nrog lawv tuaj yeem sib txawv thiab nyob ntawm qhov kev puas tsuaj rau tus dev nrog demodicosis thiab cov tshuaj tshwj xeeb uas tau xaiv.

Thaum tsis muaj nyiaj txiag lossis lwm txoj hauv kev los siv cov tshuaj no, kev kho mob classic siv tshuaj ntawm pawg avermectin tuaj yeem siv. Cov tshuaj no ua haujlwm zoo thaum noj qhov ncauj, tab sis muaj kev phiv ntau dua (dooling, lethargy, staggering gait, convulsions, thiab coma). Lawv siv yog contraindicated nyob rau hauv cov menyuam dev hnub nyoog qis dua peb lub hlis. Kuj tseem muaj kev tsis haum rau tshuaj los ntawm pab pawg no hauv qee tus dev (collie, Askiv tus tswv yug yaj dev, Australian yug yaj, Scottish shepherd aub thiab lawv cov ntoo khaub lig). Qhov no yog vim muaj cov noob tsis xws luag hauv lawv lub cev, vim tias cov tshuaj molecule "tseem" nyob rau hauv lub hlwb thiab tsis tuaj yeem tawm mus, ua rau muaj ntau yam teeb meem neurological.

Rau kev kho mob ntawm demodicosis, cov tshuaj los ntawm pab pawg amitraz nyob rau hauv daim ntawv ntawm cov tshuaj aqueous yuav siv tau raws li da dej ntawm tag nrho cov saum npoo ntawm lub cev, tab sis nws cov kev siv kuj yog txuam nrog tej yam tshwm sim ( lethargy, khaus , urticaria , ntuav , tsis kam noj, tsis khov kho feem ntau ploj tom qab 12-24 teev).

Kuj tseem muaj pov thawj ntawm qhov ua tau zoo ntawm macrocyclic lactones hauv kev kho demodicosis, tab sis qhov teeb meem no tseem muaj teeb meem. Nyob rau hauv lub xub ntiag ntawm tus kab mob thib ob, kev npaj hauv zos (ntau yam tshuaj tua kab mob thiab tshuaj zawv plaub hau) tuaj yeem raug sau tseg, tshwj xeeb tshaj yog cov neeg mob siab heev, cov tshuaj tua kab mob hauv lub cev tau sau rau hauv cov tshuaj dermatological.

Nws yog ib qho tsim nyog yuav tau kho tus mob demodicosis nyob rau hauv ib tug dev mus txog rau thaum ob qhov sib law liag tsis zoo scrapings tau nrog ib lub sij hawm ntawm ib lub hlis ntawm lawv. Kev kho mob yuav txuas ntxiv mus rau lwm lub hlis tom qab ntawd raws li kev tiv thaiv kev rov qab los. Relapses nyob rau hauv daim ntawv generalized ntawm chav kawm yog tsis tshua muaj. Lawv txoj kev kho mob tuaj yeem ntev heev, mus txog rau lub hlis lossis ntev dua. Cov tsiaj zoo li no tuaj yeem raug euthanized.

Kev piam sij rau tib neeg

Demodex yog cov kab mob tshwj xeeb, uas yog, hom kab mob cab rau ntawm dev, tab sis tsis tuaj yeem ua rau tib neeg. Thiab, raws li tau sau tseg saum toj no, demodex yog ib txwm nyob hauv daim tawv nqaij ntawm tus tsiaj. Nws multiplies, ua rau tus kab mob, tsuas yog nyob rau hauv tej yam kev mob ntawm ib tug kab mob (vim yog ib tug txo nyob rau hauv kev tiv thaiv kab mob los yog ib tug genetic defect) thiab, raws li, tsis kis tau.

Kev tiv thaiv

Kev tiv thaiv zoo tshaj plaws ntawm qhov tshwm sim ntawm demodicosis yog tswj tus dev kev tiv thaiv ntawm qib siab. Qhov no tuaj yeem ua tiav los ntawm kev tsim kom muaj kev nyob zoo rau nws: khoom noj zoo, kev tawm dag zog, kev saib xyuas thiab kev hlub. Nws tseem yog ib qho tsim nyog yuav tsum tau kuaj xyuas kev tiv thaiv tsis tu ncua ntawm tus kws kho tsiaj txhawm rau txheeb xyuas cov kab mob tshwm sim, tshwj xeeb tshaj yog rau cov tsiaj muaj hnub nyoog tshaj 7 xyoo. Txhua tus tsiaj uas muaj daim ntawv qhia dav dav ntawm demodicosis yuav tsum tsis txhob bred, vim tias muaj qhov ua tau zoo ntawm cov noob "demodectic" yuav raug xa mus rau cov xeeb ntxwv. Cov dev zoo li no tuaj yeem raug castrated, uas tseem tiv thaiv qhov tshwm sim ntawm cov kab mob hauv bitches thaum lub sij hawm estrus.

Muaj teeb meem tshwm sim

Cov teeb meem nrog rau hauv ib cheeb tsam ntawm chav kawm ntawm demodicosis thiab kev kho mob raws sij hawm, raws li txoj cai, tsis tau pom. Cov teeb meem tseem ceeb muaj xws li kev kis kab mob thib ob nrog cov kab mob thiab cov kab mob fungal. Nrog rau kev kho mob tsis tu ncua, kuj tseem yuav muaj qhov nce hauv palpable lymph nodes, nce hauv lub cev kub, kev nyuaj siab dav dav, tsis kam noj, khaus khaus. Qhov no yog ua raws li sepsis thiab tuag ntawm tus tsiaj.

Kab lus tsis yog hu rau kev txiav txim!

Yog xav paub ntxiv txog kev kawm txog qhov teeb meem, peb xav kom hu rau tus kws kho mob tshwj xeeb.

Nug tus kws kho tsiaj

2 Cuaj hlis 2020

Hloov tshiab: Lub Ob Hlis 13, 2021