Mukati
Platelets inhengo dzeropa iro rinoita basa rinokosha mukugadzirisa, kureva kuumbwa kwevhavha inobvumira kumisa kubuda kweropa muchiitiko chekuputika kwemadziro emudziyo weropa. The mean platelet volume, kana MPV, inoratidza avhareji saizi yemaplatelet aripo mumunhu. Mhedzisiro yeMPV inodudzirwa kwete chete nekutarisa huwandu hwemaplatelet, asiwo mamwe data rekiriniki uye kuverenga kweropa. Inogona kugadziridzwa mune mamwe pathologies, kunyanya kana chiitiko chemoyo njodzi uye thrombosis, asi inogonawo kusiyanisa physiologically uye pasina kubatanidzwa nechirwere.
Mean platelet volume (MPV)
MPV inotemerwa zvichibva pane histogram yekugovera platelet. Nehurombo, MPV haina kutariswa zvishoma mune zvekurapa uye, zvakare, mukuongororwa kweanemia. Nekudaro, senge chiratidzo chekare, chinogona kukanganisa kududzira kwekiriniki kweiyo yakaonekwa pathology uye kubatsira mukuonekwa kwe thrombocytopathy (micro- kana macrothrombocytosis) munhaka anemia kana zvimwe zvirwere.
Nekuongorora MPV, munhu anogona kuona:
- kuwedzera kweplatelet aggregation uye kunyange thrombosis;
- kushingaira kurasikirwa kweropa pakuonekwa kwemaplatelet makuru kune varwere vane iron inoshaya anemia;
- MPV inogona kushandiswa sechiratidzo chekuwedzera chechirwere chemyeloproliferative chirwere (maplatelet makuru).
Reference interval: 7.6-9.0 fL
Yakasimudzwa MPV tsika dzinoratidza kuvapo kwemaplatelet makuru, kusanganisira madiki.
Yakaderera MPV tsika dzinoratidza kuvapo kwemaplatelet madiki muropa.
Chii chinonzi platelet volume (MPV)?
The MPV, kureva vhoriyamu yeplatelet, i saizi yeplatelet saizi, izvo zvinoumba zvikamu zvidiki zveropa uyezve zvinonyanya kuita zvinhu. Maplatelet anonziwo thrombocyte.
- Maplatelet anobatsira pakuvhara ropa. Ivo vanotora chikamu kumisa kubuda kweropa panguva yekuchinja kwemadziro emidziyo yeropa (tsinga kana tsinga). Izvo zvinogoneswa muchiitiko chekubuda ropa mukati senge mune chiitiko chekubuda ropa kwekunze;
- Maplatelet anogadzirwa mumongo wemapfupa, mukati mawo sero hombe (inonzi megakaryocyte) rinoputika kuzviuru zvezvimedu zvidiki. Izvi zvidimbu, zvinonzi maplatelet, zvinova zvinoshanda kana vangopinda muropa;
- Izvo zvinokwanisika kuverenga maplatelet, asi zvakare kuyera vhoriyamu yavo kuburikidza neyeye analyzer uchishandisa mwenje wechiedza.
Mahwendefa mahombe anowanzo kuve mudiki, uye akaburitswa kare pane zvakajairwa kubva mumongo wepfupa. Zvakare, madiki-kupfuura-avhareji maplatelet anowanzo kuve ekare.
Kazhinji pane hukama hwakasiyana pakati pehuwandu hweplatelet volume (MPV) uye nhamba yemaplatelet. Iko kune, nokudaro, mutemo wechisikigo wehuwandu hweplatelet mass (kusanganiswa kwenhamba uye ukuru hwemaplatelet). Izvi zvinoreva kuti kuderera kwenhamba yeplatelet kunokonzera kukurudzira kwe megakaryocytes ne thrombopoietin, zvichiita kuti pave nekugadzirwa kweplatelet yakakura.
- Iwo akajairika maplatelet muropa (iwo huwandu) anowanzo kuve ari pakati pe150 ne000 XNUMX maplatelet pamamilimitha mita;
- The MPV, iyo inoyera saizi yadzo, uye nekudaro huwandu hwadzo, inoyerwa nefemtoliters (metric unit yevhoriyamu yakaenzana negumi.-15% litres). A normal MPV is pakati pe6 ne10 femtoliters.
Iwe unofanirwa kuziva kuti maplatelet ane vhoriyamu yepamusoro anonyanya kushanda. Pakupedzisira, mukusavapo kwechirwere, huwandu hwemaplatelet hunodzorwa, uye iyo inonzi platelet volume (MPV) saka inowanzokwira nokukurumidza kana nhamba yeplatelet yadzikiswa.
Sei uchireva huwandu hweplatelet (MPV) bvunzo?
Avhareji yeplatelet vhoriyamu inogona kukanganiswa maererano nemamwe maplatelet pathology. Uye iyo, kunyanya, hutano hwemaplatelet hunogona kuchinjwa kana chiitiko chisina kujairika MPV.
Munguva ye thrombocytopenia, uye naizvozvo kuderera kusingawanzoitiki kwehuwandu hwemaplatelet, zvingave zvakakosha kutarisa MPV, pamwe chete nechiitiko che thrombocytosis (kuwedzera kweplatelet count) kana mamwe thrombopathies (zvirwere izvo nhamba yeplatelet inowanzoitika asi kushanda kwayo kusina kunaka).
The MPV zvakare inoratidzika kunge yakabatana zvakanyanya nenjodzi yemoyo, iyo inoramba ichishandiswa zvishoma mukuita, nekuti kune matambudziko ehunyanzvi anokanganisa zviyero. Muchokwadi, kana paine njodzi yemoyo kana njodzi yethrombosis, senge phlebitis, izvi zvinogona kuenderana nepamusoro. MPV.
Mupfungwa iyi, akati wandei etsvagurudzo akaitwa mukati memakore makumi maviri apfuura anoratidza kuti iyo MPV ingave inonakidza kupa ruzivo rwakakosha mukusimudzira uye fungidziro ine chekuita neakasiyana ekuzvimba mamiriro.
Nekudaro, kutsvagurudza uku kunoratidza kuti a yakakwirira MPV yakaverengerwa mukubatana nezvakawanda pathologies:
- Zvirwere zvemwoyo;
- Kurohwa;
- Zvirwere zvekufema;
- Chisingaperi itsvo kutadza;
- Utumbo zvirwere;
- Rheumatoid zvirwere;
- Diabetes;
- Cancers dzakasiyana.
Zvakare, a MPV yakadzikira inogona kucherechedzwa mune dzinotevera zviitiko:
- Tiibhii, panguva yekuwedzera kwechikamu chechirwere;
- Urikanwi colitis;
- Systemic lupus erythematosus muvanhu vakuru;
- Zvirwere zvakasiyana neoplastic (kukura zvisina kujairika uye kuwanda kwemasero).
Ichi ndicho chikonzero, kubva pakuona kwekiriniki, zvingave zvinonakidza kumisikidza kukosha kweiyo MPV inokwanisa kuratidza, pakati pezvimwe zvinhu, kusimba kwechirwere chekuzvimba, kuvapo kwechirwere, kuwedzera kwengozi yekukura kwechirwere, njodzi yekuwedzera kweiyo thrombotic complications, kuwedzera kwengozi yekufa uye, pakupedzisira, mhinduro yemurwere kune marapirwo. kushandiswa. Nekudaro, mukuita kwekiriniki, izvi zvinoshandiswa zve MPV zvichiri zvishoma uye zvinoda kumwe kutsvakurudza.
Ongororo yeMPV inoitwa sei?
A nyore ropa bvunzo inodiwa pakuongororwa kwehuwandu hweplatelet volume. Saka, the MPV inowanzoyerwa panguva yekuongorora kunowanzoitwa: nhamba yeropa (kana CBC), kuongororwa kwakakwana kweropa kunoita kuti zvikwanise kunyanya kuverenga zvinhu zvaro zvose (masero matsvuku eropa, masero machena eropa uye maplatelet). Mukuita, zvinokurudzirwa kutora sampuli yeropa padumbu risina chinhu.
The MPV kuongororwa, kunoitwa pamachubhu akatorwa panguva yekuongororwa ropa, kunoitwa nenzira yeotomatiki, iyo yakashandiswa kubva kuma1970, uye ichinzi neChirungu "light scattering":
- Nheyo yekuongorora uku ndeyekuvhenekesa maseru ane laser kana tungsten mwenje;
- Chiedza chinoparadzirwa nesero rega rega chinotorwa nefotodetector, ndokuzoshandurwa kuita simba remagetsi;
- Nekudaro, muongorori anokwanisa kuverenga huwandu hwepakati pezviuru zvemaplatelet anotenderera nekuapfuura nepaburi;
- Iko kuverenga kweiyo mean platelet volume, MPV, inozopedzisira yaitwa nenzira yekushandurwa kwelogarithmic yeplatelet vhoriyamu yekugovera curve.
Ndeapi mhedzisiro uye nzira yekududzira yakakwirira kana yakaderera MPV?
Kuti ududzire zvirevo zveplatelet vhoriyamu, iwe unofanirwa kugara uchitanga akatanga atarisa nhamba yeplatelet yakabatana neMPV. Iyi nhamba yemaplatelet inogona kuderedzwa mune chiitiko che thrombocytopenia, kana zvinopesana nekuwedzera mune chiitiko che thrombocytosis.
- Un yakakwira MPV zvinoreva kuti nhamba hombe yemaplatelet makuru ari kutenderera muropa;
- Un MPV base zvakapesana, zvinoreva kuti munhu wacho ane nhamba hombe yemaplatelet madiki.
Mhedzisiro yacho inofanirwa kugara ichiongororwa mukubatana nedata rekiriniki, asi zvakare nemamwe mhedzisiro yekuverenga ropa. Kazhinji, mhedzisiro isina kujairika inoda kuwedzerwa kuyedzwa.
Uye zvakare, pasi pemamwe mamiriro, iwo maplatelet anogona kuungana pamwechete. Ivo vanobva vaita kunge varipo mune zvidiki zvidiki uye kana vachiita kunge vanowedzerwa saizi: sampuro inofanira kutorwa kuitira kuongorora maplatelet zvakananga pasi pe microscope.
Pakupedzisira:
- Kunyangwe a mapfupa emongo kusagadzikana haigoni kubviswa muchiitiko chisina kujairika MPV, zvikonzero zvisingabatanidzi mwongo zvinowanzoitikawo: Zvirwere zvinopisa ou autoimmune hosha kuparadza maplatelet;
- A low thrombocytopenia (yakaderera pane yakajairwa nhamba yemaplatelet) yakabatana neyakaderera MPV iri pane yakabatana nekudzvinyirirwa kwekugadzirwa kwemasero nemwongo: inogona kuva mubvunzo weanemia. Yakaderera MPV inogonawo kubatanidzwa nekutsvaga splenic (mune spleen) kunyanya sezvo iri iplatelet hombe dzakateedzana;
- Mumunhu asina nhoroondo yekare yekubuda ropa, uye nenhamba yakajairika yemaplatelet, kusajairika MPV iri yebasa shoma rekiriniki. Saka iyo MPV zvinogona kungosiyana kubva nzira yemuviri, uye pasina kuve nechero hukama nechero chirwere.