Ropa rinopera kupi?
Munhu wese anonyatsoziva nezvekushanduka-shanduka: "tubules" yemadhenari akasiyana-siyana, iyo iyo mwoyo inoputira mvura-ropa, ichiunza okisijeni kumativi ose emuviri nekufema uye mishonga ye ... nutrition, zvechokwadi. Zvakanaka, zvinotora zvose muck, sezvaunoziva, kudzokera kuropa, rausingadi kunyange kutaura pamusoro. Zvisinei, kana iwe uchifunga zvakaoma pamusoro pekuti izvi zvinoitika sei pakuita, zvinova pachena kuti hapana "zvikamu zvemuviri" muhombe kana, kuti zvive zvakanyatsojeka, duku duku, asi kune mahedheni akasiyana-siyana emasero mashoma mukati umo izvo zvose izvi zvinoshamisa zvemhepo yekufema zvinoitika -power-allocation. Sero rega rega rakakombwa nehovha yakavharwa, kwete "muromo" uye, sorry, hapana mukova wokutanga. Ichishandura ropa sei zvinhu zvine sero? Muna 1661 musayendisiti weItaly Malpighi akawana "yechipiri", sezvaiva chakavanzika, kufamba kwepakati.
Pamusoro pekuputsa kwe microcirculation mumutumbi wevanhu zvakanyatsotaura zvakataurwa munguva pfupi nekuda kwekuderera kwezvakatipoteredza, kuwedzera kudzvinyirira uye panguva imwechete - chido chevanhu chekuvandudza uye kupedzera chikamu chinoshanda chehupenyu. Vaya vasina dzidzo yezvokurapa, kazhinji vanokanganisa vanotenda kuti zvinetso zve microcirculation ishoko rezvesayenzi rezvirwere zvepfungwa. Kutaura zvazviri, uku ndiko kukanganisika kwakasiyana kwakakwana kwehutano hwemuviri.
Mishonga yeropa , sezvinozivikanwa, mumitumbi yemaviri inobuda pose pose iyo midziyo miduku yakawanda inoshandisa microscopic capillaries uye iyo nzira yekufamba-famba yatinoziva iri kusvika pakuguma uye yakasiyana zvakasiyana-siyana yeropa microcirculation inotanga, apo mitemo ye hydrostatics nehydrodynamics yakasiyana zvakasiyana nemasero ezvakanaka uye mitsetse. Pano, zvose zvinenge zvave zvatove zvava kuda kusvika pamatokisiki, nokuti rimwe chete reyero reropa rinogona kudarika capillary lumen, uye erythrocytes (oxygen carrier) inofanirwa "kupenya" zvakaoma. Saka pano hatisi kuitika kwechimiro chemuviri, chemvura-ropa, asi nemasero ega ega nemamolekoro.
Chinokosha kuHasimba Rokusingaperi
Kubva pane zvakataurwa pamusoro apa zvakajeka kuti kunyange nemoyo unoshanda zvakanaka uye kufamba kwemazuva ese mukati memidziyo yeropa muropa re microcirculation system, nekuda kwezvikonzero zvakasiyana-siyana kungave kuve kukanganiswa, kazhinji kazhinji kwaenda kwisingacherechedzi. Kupindira kwe microcirculation nehurumende kunodanwa apo chete ma capillari akabatwa, uye nemidziyo mikuru zvinhu zvose zviripo. Zvinhu zvakadai zvinonzi ischemic, uye pakupedzisira zvinotungamirira kune: kusava nesimba, kuneta, kuderera kwehutano, matambudziko emanzwiro, uye zvirwere zvakasiyana-siyana zvezvikamu zvakasiyana-siyana, zvakanyanya "zvakakurumbira" zvayo ndezvengangina pectoris nevamwe.
Nyaya yakakurumidza
Kune mamiriro ezvinhu apo kazhinji unobtrusive microcirculation disorders, pane zvinopesana, inoratidzika. Dzimwe nguva izvi zvinodzivirira muviri, zvichibatsira kutsungirira dambudziko, uye dzimwe nguva - mamiriro ezvinhu ane ngozi kune utano uye kunyange hupenyu.
Kukuvadza. Mumwe nomumwe wedu anoziva zvakajeka kuti anotaridzika sei: kutanga kukuvara kunotendeuka - vasoconstrictor nerve yakaita. Zvadaro kwakapoteredza ikoko kune erythema - iyo inofungisisa inotapudza ma-capillaries nemidziyo miduku, ropa rinowedzera. Mvura inoshandiswa ropa iri zvishoma nezvishoma inopinda munzvimbo ye-intercellular, kune kuvhara, uye ropa rinowedzera uye rinotanga kuwirirana, microthrombi inoumbwa - pakupedzisira, ropa rinopinda mumubhedha wemakiromita emagetsi. Nemhaka yeizvi, kurwadziwa kunokonzera kunowanikwa.
Kutadza. Kushungurudzika kwe microcirculation kunoonekwa sechikonzero chekushungurudzwa kwe erectile kuvarume.
Shock . Mamiriro akaoma zvikuru ndeapi apo microcirculation muzvikamu zvose zvemukati zvinodzvinyirirwa kamwechete. Izvozvo zvinokonzerwa nehutachiona uye hutsika (mushure mokutambudzika, kukurumidza kurwara, utachiona, kupisa kukuru, kurasikirwa kweropa). Kutanga, kubuda kwemwoyo kunopera zvakaderera, uye kuitira kuti udzike kuwira mukati mekumanikidza, mishonga yeropa inopinda zvakasimba, mushure mokunge ropa rinopinda mumapilisare rinonoka kunonoka, microthrombi inoumbwa. Zvadaro pane kuwanda kwechirwere chemazi mumapilisare, zvirongwa zvinoshandiswa pakugadzirisa zvirwere zvinotanga kutambura, zvinotyisa zvinogadzirwa nemagetsi zvinowedzera mumasero, mukupindura kweizvi kunouya kuora mhepo kwema capillari: inotanga kuyerera mvura, seyieve, uye plasma yeropa inopinda mumatumbu. Saizvozvowo, ropa mukati memidziyo rinoderera uye mwoyo iye zvino hauna chinhu chokuputira. Chirwere chepachiviri chinokonzera madonzvo kunyange zvakanyanya - hutsinye hunotyisa hwakavhara. Nokudaro zviratidzo zvekutyisidzika: kushaya simba, kuvhara-kunenge kwakanyanyisa, kudonha kweropa ye 80/25 mm Hg. Art. uye pasi, ganda rinotonhora, pasi-grey, dzimwe nguva rakasviba, rakanyorova nekuda kwekuparara kweropa mumapilisare, tsvina-kufanana nepfungwa. Mutsvo, kubuda kwemuti kunomira, muropa - kushandiswa kwezvinhu zvinokuvadza, mumapapu - kufema kwemazuva ose: kuzvidzora kunowanikwa.
Bofu. Pano, chirwere che microcirculation mumidziyo yezuva reziso hachisi chikonzero, asi chikonzero chechirwere cheshuga. Kuderedza maonero kunoenderana nechikamu chechirwere cheshuga, inowanzotanga uye inenge isingakwanisi kurapa, asi chirwere cheshuga pachacho chinogona kudziviswa.
Zvinonzwisisika, nyika yakadaro inomiririra njodzi chaiyo kuhupenyu, saka, mukurwisana nekushungurudzwa, vatsigiri vanonyanya kudzorera microcirculation. Kuti uite izvi, shandisa: kuyerera kweropa kusvika kumusoro nekuropi. Mutsipa wabviswa kubva pasi pemusoro, unoiswa pasi petsoka-saka kubuda kweropa kumusoro nekuropi hunovandudza.
Simba vasoconstrictors: ephedrine, epinephrine, norepinephrine. Mune tsika inowanzoitwa, chiremba wemazuva ano haazogoni kuvasarudza, izvo zvinoshandiswa chete mukutarisira kwakasimba. Vanoita zvishoma uye nokukurumidzira mumuviri.