I-MPV: ukuhlaziywa okuphezulu noma okuphansi, kusho ukuhlaziywa kweplatelet

Ama-platelet ayizingxenye zegazi ezidlala indima ebalulekile ekuhlanganiseni, okusho ukuthi ukwakheka kwehlule elivumela ukumisa ukopha uma kwenzeka ukuphuka kodonga lomkhumbi wegazi. Ivolumu yeplatelet emaphakathi, noma i-MPV, ibonisa isilinganiso sosayizi wamaplatelet akhona kumuntu ngamunye. Umphumela we-MPV awuhunyushwa kuphela ngokucabangela inani lama-platelet, kodwa futhi neminye imininingwane yomtholampilo kanye nenani legazi. Ingashintshwa kuma-pathologies athile, ikakhulukazi uma kwenzeka ingozi yenhliziyo nemithambo yegazi kanye ne-thrombosis, kodwa futhi ingahluka ngokwempilo futhi ngaphandle kokuhlotshaniswa nesifo.

I-Mean platelet volume (MPV)

I-MPV inqunywa ngokusekelwe ku-histogram yokusabalalisa kweplatelet. Ngeshwa, i-MPV ayinakwa kancane emisebenzini yezokwelapha futhi, ngaphezu kwalokho, ekuxilongweni kwe-anemia. Kodwa-ke, njengenkomba yangaphambilini, ingathinta ukuchazwa komtholampilo kwe-pathology ekhonjiwe futhi isize ekutholeni i-thrombocytopathy (i-micro- noma i-macrothrombocytosis) ku-anemia yofuzo noma ezinye izifo.

Ngokuhlola i-MPV, umuntu angabona:

  • ukwanda kwe-platelet aggregation kanye ne-thrombosis;
  • ukulahleka kwegazi okusebenzayo lapho kutholakala ama-platelet amakhulu ezigulini ezine-anemia yokuntuleka kwensimbi;
  • I-MPV ingasetshenziswa njengophawu olwengeziwe lwesifo esingamahlalakhona se-myeloproliferative (ama-platelet amakhulu).

Isikhawu senkomba:  7.6-9.0 fL

isigqugquzeli Amanani e-MPV akhombisa ukuba khona kwamaplatelet amakhulu, okuhlanganisa nabancane.

Kunciphise Amanani e-MPV akhombisa ukuba khona kwamaplatelet amancane egazini.

Iyini ivolumu yeplatelet (MPV)?

The MPV, isilinganiso somthamo weplatelet, ngu-a inkomba yeplatelet, akha izingxenye ezincane kakhulu zegazi futhi ngaphezu kwalokho ziyizakhi ezisebenza ngokweqile. Ama-platelet abizwa nangokuthi ama-thrombocyte.

  • Ama-platelet awusizo ekunqandeni igazi. Babamba iqhaza ekumiseni ukopha ngesikhathi sokuguqulwa kodonga lwemithambo yegazi (imithambo noma imithambo). Ayasebenza uma kwenzeka opha ngaphakathi njengalapho kwenzeka aphume ngaphandle;
  • Ama-platelet akhiqizwa emnkantsheni wethambo, ngaphakathi kwawo ingqamuzana elikhulu (elibizwa ngokuthi i-megakaryocyte) liqhuma libe yizinkulungwane zezingcezwana ezincane. Lezi zingcezu, ezibizwa ngokuthi ama-platelet, ziqala ukusebenza lapho zingena egazini;
  • Kungenzeka ukubala amaplatelet, kepha futhi ukukala ivolumu yabo ngokusebenzisa i-analyzer usebenzisa i-light light.

Ama-platelet amakhulu ngokuvamile abancane, futhi akhishwe ngaphambi kokujwayelekile emnkantsheni wethambo. Ngakolunye uhlangothi, amaplatelet amancane kunama-average ngokuvamile amadala.

Imvamisa kunobudlelwano obuphambene phakathi kwevolumu yeplatelet emaphakathi (MPV) kanye nenani lama-platelet. Ngakho-ke, kukhona ukulawulwa kwemvelo kwengqikithi ye-platelet mass (inhlanganisela yenombolo nobukhulu bamaplatelet). Lokhu kusho ukuthi ukwehla kwenani lamaplatelet kubangela ukugqugquzelwa kwama-megakaryocyte nge-thrombopoietin, okuholela ekukhiqizweni kwamaplatelet amakhulu.

  • Izinga elijwayelekile lama-platelet egazini (ubuningi bawo) ngokuvamile liphakathi kwama-platelet ayi-150 kanye nama-000 nge-millimeter eyi-cubic;
  • The MPV, ekala usayizi wawo, ngakho-ke umthamo wawo, ukalwa ngama-femtoliters (iyunithi yemethrikhi yevolumu elingana no-10-15% amalitha). Okujwayelekile MPV is phakathi kwabafazi abangu-6 no-10.

Kufanele wazi ukuthi ama-platelet anevolumu ephezulu asebenza kakhulu. Ekugcineni, lapho kungekho khona i-pathology, isamba esiphelele samaplatelet siyalawulwa, kanye nevolumu yeplatelet emaphakathi (MPV) ngakho-ke kuvame ukukhuphuka ngokushesha nje lapho inani lamaplatelet lehliswa.

Kungani ivolumu yeplatelet iphakathi (MPV) ukuhlolwa?

Umthamo weplatelet ophakathi ungathinteka ngokuphathelene nama-pathologies athile eplatelet. Futhi, ikakhulukazi, izinga lama-platelet angashintshwa uma kwenzeka okungavamile MPV.

Ngesikhathi se-thrombocytopenia, ngakho-ke ukwehla okungavamile kwenani lamaplatelet, kungase kube usizo ukuqapha i-MPV, kanye nalapho kwenzeka i-thrombocytosis (ukwanda kwe-platelet count) noma enye i-thrombopathies (izifo lapho inani lamaplatelet livamile kodwa ukusebenza okungalungile). 

The MPV futhi kubonakala sengathi kuhlotshaniswa ikakhulukazi nobungozi benhliziyo, okuhlala kuncane ukusetshenziswa ekusebenzeni, ngoba kukhona ubunzima bezobuchwepheshe obuphazamisa izilinganiso. Eqinisweni, uma kunengozi yenhliziyo noma ingozi ye-thrombosis, njenge-phlebitis, lokhu kungahlotshaniswa nokuphakama okuphezulu. MPV.

Ngalo mqondo, imisebenzi eminingana yocwaningo eyenziwa phakathi neminyaka engamashumi amabili edlule ibeka ukuthi i-MPV izothakazelisa ukunikeza ulwazi olubalulekile ekuthuthukisweni nasekuqaguleni okuhlobene nezimo ezihlukahlukene zokuvuvukala. 

Ngakho-ke, lolu cwaningo luveza ukuthi a high MPV kuye kwabonwa ngokuhlangana nezifo eziningi:

  • Izifo zenhliziyo;
  • Unhlangothi;
  • Izifo zokuphefumula;
  • Ukwehluleka kwezinso okungapheli;
  • Izifo zamathumbu;
  • Izifo ze-rheumatoid;
  • Diabetes;
  • Umdlavuza ohlukahlukene.

Ngakolunye uhlangothi, a I-MPV yehlile kungabonakala ezimweni ezilandelayo:

  • Isifo sofuba, ngesikhathi sokukhula kwesifo;
  • I-ulcerative colitis;
  • I-lupus erythematosus ehlelekile kubantu abadala;
  • Izifo ezahlukahlukene ze-neoplastic (ukukhula okungavamile nokwanda kwamaseli).

Yingakho, ngokombono womtholampilo, kungaba okuthakazelisayo ukusungula amanani omkhawulo we MPV ekwazi ukukhombisa, phakathi kwezinye izinto, ukushuba kwenqubo yokuvuvukala, ukuba khona kwesifo, ukwanda kwengozi yokuthuthukisa isifo, ukwanda kwengozi yezinkinga ze-thrombotic, ukwanda kwengozi yokufa futhi, ekugcineni, impendulo yesiguli ekwelashweni. kusetshenzisiwe. Kodwa-ke, ekusebenzeni komtholampilo, lokhu kusetshenziswa kwe MPV zisalinganiselwe futhi zidinga ucwaningo olwengeziwe.

Ukuhlolwa Kwegazi kwe-MPV | Mean Platelet Volume | Izinkomba zePlatelet |

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