Lero tikambirana za chinthu chodabwitsa komanso chofunikira kwambiri m'thupi lathu . Tangoganizirani, ngati msewu waukulu womwe mukuyenda watsekedwa mwadzidzidzi, ndikofunika bwanji kukhala ndi misewu ina yaying'ono yozungulira. Mofananamo, m'thupi lathu, ngati mtsempha waukulu wamagazi (mtsempha wamagazi) watsekedwa kapena kuwonongeka, pali njira "yowonjezera" kapena "yosungira" mitsempha yamagazi yomwe ingagwiritsidwe ntchito m'malo mwake. Izi ndi zomwe zimatchedwa (Collateral Circulation) mu zamankhwala . Mwachidule, izi zili ngati njira yachilengedwe "yodutsa" m'thupi lathu.
Ndiye, kodi njira iyi yolumikizirana magazi (collateral circulation) ndi chiyani?
Mwachidule, kuyenda kwa magazi m'thupi ndi njira yowonjezera kapena "yosungira" mitsempha yamagazi m'thupi lanu. Iyi ndi mitsempha yamagazi yomwe imathandiza kusuntha magazi ngati mitsempha yayikulu yamagazi, monga mtsempha wamagazi kapena mtsempha, yatsekedwa kapena kuwonongeka pazifukwa zina. Izi zikufanana ndi momwe msewu waukulu mumzinda watsekedwa, magalimoto amadutsa m'misewu yambali. Mwa kuyenda kwa magazi m'njira zina izi, ziwalo zofunika zimatha kupitiliza kulandira mpweya ndi michere yomwe zimafunikira.
Iyi ndi njira yodzitetezera yodabwitsa kwambiri m'thupi lathu. Tangoganizirani zomwe zingachitike ngati mtsempha waukulu wamagazi utatsekedwa mwadzidzidzi popanda njira zina izi!
Kodi kufalikira kwa zinthu zofananira kumeneku kumagwira ntchito bwanji? N'zodabwitsa, sichoncho?
Inde, ndizodabwitsa kwambiri. Dongosolo ili (Collateral Circulation ) limagwira ntchito m'njira zingapo.
- Mitsempha yamagazi yaying'ono yomwe ilipo kale: Tili ndi netiweki ya mitsempha yamagazi yaying'ono kwambiri, yopyapyala yomwe imalumikizidwa ku mitsempha yathu yayikulu yamagazi. Nthawi zambiri, iyi siigwira ntchito kwambiri, monga misewu yaying'ono yosagwiritsidwa ntchito. Komabe, magazi akamapita ku mitsempha yayikulu yamagazi akasokonekera, thupi limazindikira izi. Kenako, mitsempha yamagazi yaying'ono "yosagona" iyi imakula pang'onopang'ono, imatseguka, ndikuyamba kunyamula magazi ambiri.
- Kupangidwa kwatsopano kwa mitsempha yamagazi (Angiogenesis): Nthawi zina, pamene mitsempha yayikulu yamagazi yatsekedwa pang'onopang'ono, pang'onopang'ono, thupi lathu limamva izi. Likalandira chizindikiro chakuti "palibe magazi okwanira omwe akuyenda pano," thupi limayamba kupanga mitsempha yatsopano yamagazi yaying'ono. Njira imeneyi imatchedwa angiogenesis . Mitsempha yatsopanoyi imathandiza kunyamula magazi kuzungulira malo otsekedwawo.
- Zotsatira za masewera olimbitsa thupi: Kodi mukudziwa kuti kuchita masewera olimbitsa thupi nthawi zonse , monga kuthamanga kapena kuyenda mwachangu, kungathandize kuti magazi aziyenda bwino m'mitsempha yatsopanoyi?Zimathandizira kuti angiogenesis iyambe kugwira ntchito. Izi zikutanthauza kuti kuchita masewera olimbitsa thupi kungalimbikitse njira yosungiramo zinthu zakale.
Umu ndi momwe thupi lathu limayesera kuthana ndi kusokonezeka kwa kayendedwe ka magazi .
Kodi njira yolowera magazi m'magazi (collateral circulation) ndi yofala bwanji? Kodi aliyense ali nayo?
Tonsefe timabadwa ndi kuchuluka kwa magazi ozungulira m'mitsempha . Komabe, kukula, kuchuluka, ndi kugwira ntchito bwino kwa mitsempha yowonjezera yamagaziyi kumatha kusiyana malinga ndi munthu ndi munthu. Anthu ena ali ndi dongosololi lomwe lakula bwino, pomwe ena alibe kukula kwenikweni. Limasiyana malinga ndi munthu ndi munthu.
Pali mitundu itatu ikuluikulu ya mitsempha yamagazi iyi:
- Mitsempha yamagazi: Iyi ndi mitsempha ikuluikulu yamagazi yomwe imanyamula magazi okhala ndi mpweya wambiri kuchokera mumtima kupita ku thupi lonse.
- Ma capillaries: Awa ndi mitsempha yamagazi yaying'ono kwambiri. Amafalikira ngati ukonde. Amapereka mpweya ndi michere ku maselo ndipo amasonkhanitsa zinyalala monga carbon dioxide.
- Mitsempha: Iyi ndi mitsempha yamagazi yomwe imanyamula magazi opanda mpweya , okhala ndi carbon dioxide kubwerera kumtima kuchokera mbali zosiyanasiyana za thupi.
Choncho mitundu yonse itatu ya mitsempha yamagazi, mitsempha yamagazi, mitsempha yamagazi, ndi mitsempha yamagazi, imatha kugwira ntchito ngati njira zina zoperekera magazi.
Kodi kufalikira kwa magazi m'thupi komwe kumakhudza thanzi ndi kofunika kwambiri pazochitika ziti?
Dongosolo ili (Collateral Circulation) likhoza kuyatsidwa ndikuthandizira matenda osiyanasiyana omwe amaletsa kuyenda kwa magazi, kutanthauza kuti, kuchepetsa kuyenda kwa magazi kudzera m'mitsempha yamagazi. Nazi zitsanzo zingapo:
- Matenda a atherosclerosis : Apa ndi pamene mafuta ndi cholesterol zimasonkhana mkati mwa makoma a mitsempha, zomwe zimapangitsa kuti mitsempha yamagazi ikhale yochepa, zomwe zimaletsa kuyenda kwa magazi.
- Matenda a Mitsempha ya Mtima: Matenda a mtima amayamba chifukwa cha kutsekeka kwa mitsempha ya mtima yomwe imapereka magazi kumtima.
- Ischemic Stroke: Matendawa amapezeka pamene mtsempha wopereka magazi ku ubongo watsekedwa kapena magazi kuundana.
- Matenda a Mitsempha ya M'mitsempha ya M'mitsempha (PAD): Matendawa amayamba chifukwa cha kuchepa kwa mitsempha yamagazi yomwe imapereka magazi, makamaka ku miyendo. Chizindikiro chimodzi cha izi ndi kupweteka kwa miyendo poyenda.
Koma apa pali chinthu chofunikira kwambiri kukumbukira! Dongosolo ili (la Collateral Circulation) nthawi zonse limakhudzidwa ndi kuchepa kwa magazi (Ischemia) komwe kumachitika chifukwa cha matenda awa.Sizingatheke kupewedwa kotheratu. Chifukwa, mtsempha waukulu wamagazi usanatsekeke kwathunthu, njira zina izi ziyenera kukula mofulumira mokwanira ndikutha kunyamula magazi okwanira. Chifukwa chake, ngati muli ndi matenda otere, ngakhale mutakhala ndi magazi ena abwino, muyenera kufunafuna chithandizo chamankhwala. Ichi ndi chithandizo chokha, osati yankho lathunthu.
Kodi kufalitsa ndalama zogulira zinthuzi kumatenga nthawi yayitali bwanji?
Pamene njira imeneyi (yozungulira magazi) yayamba kugwira ntchito, mitsempha yaing'ono yamagaziyo imakula pang'onopang'ono ndikuyamba kunyamula magazi ambiri. Mitsempha ina yokulirapoyi ingathe kupereka magazi abwinobwino kwa miyezi ingapo, mwina zaka zambiri.
Komabe, pakapita nthawi, makamaka pamene tikukalamba, mitsempha yamagazi iyi imatha kucheperachepera pang'onopang'ono, kapena kuyamba kuchepa. Njira imeneyi imatchedwa rarefaction . Vutoli limapezeka kwambiri mwa anthu omwe ali ndi matenda a mtima . Mitsempha yamagazi iyi ikachepa, mphamvu yake imachepa. Kenako, ngati mitsempha yayikulu yamagazi yatsekekanso, zizindikiro zimatha kuchitika.
Ndi ziwalo ziti za thupi zomwe mitsempha yamagazi iyi (collateral circulation) imapezeka nthawi zambiri?
Njira zina zoyendetsera magazi m'thupi zimatha kupezeka m'malo osiyanasiyana a thupi lathu. Mwachitsanzo:
- Mimba
- Manja
- Ubongo
- Mapazi ndi miyendo
- Mumtima
- Mapapu
Ndipotu, njira imeneyi (Collateral Circulation) ndi njira yomwe thupi limagwiritsa ntchito kuthana ndi chopinga pakuyenda kwa magazi. Komabe, monga tanenera kale, iyi si njira yodalirika yomwe ingalepheretse kuwonongeka komwe kumachitika chifukwa cha matenda monga sitiroko ndi matenda monga (PAD) . Singathenso kuletsa kwathunthu matenda a mtima kapena sitiroko. Komabe, nthawi zina, ikhoza kukhala yothandiza kwambiri, ndipo ingathandizenso kupulumutsa moyo.
Kodi chiyembekezo cha izi ndi chiyani mtsogolo?
Ofufuza zachipatala akupitiriza kuphunzira izi (collateral circulation) ndi chidwi chachikulu. Makamaka, kafukufuku akuchitika pankhani yokhudza ngati mitsempha yopangira zinthu zobisika ingapangidwe ndikugwiritsidwa ntchito. Ngati chinthu choterocho chikuyenda bwino, zidzakhala zotheka kukulitsa mphamvu yachibadwa ya thupi yolimbana ndi matenda osiyanasiyana omwe amasokoneza kuyenda kwa magazi. Chimenecho ndi chiyembekezo chachikulu.
Ndiye, ndi zinthu ziti zofunika kwambiri zomwe tiyenera kukumbukira kuchokera apa? (Uthenga Wopita Nawo Kunyumba)
Chabwino, tiyeni tikumbukire zina mwa zinthu zofunika kwambiri zomwe takambirana (Collateral Circulation) :
- Kuyenda kwa magazi m'thupi ndi njira yachilengedwe yosungira magazi m'thupi lathu.Ngati mtsempha waukulu wamagazi watsekeka, izi zimathandiza.
- Iyi ndi njira yodzitetezera thupi. Nthawi zina ingakhale yothandiza kwambiri komanso yopulumutsa moyo.
- Kuchita masewera olimbitsa thupi nthawi zonse kumathandiza kuti mitsempha yamagazi iyi ikule.
- Komabe, iyi si njira yothetsera matenda kwathunthu. Ngati muli ndi vuto monga (Atherosclerosis) , (Coronary Artery Disease) , (Stroke Risk), kapena (PAD) , muyenera kufunafuna upangiri wa dokotala ndi chithandizo.
- Kugwira ntchito kwa njira zina izi kungachepe ndi ukalamba kapena matenda ena.
- Kukhala ndi moyo wathanzi , makamaka kudya zakudya zopatsa thanzi komanso kuchita masewera olimbitsa thupi, kumathandiza kuti njira ina yochiritsira matenda a mtima, komanso dongosolo lonse la magazi, likhale lathanzi.
Kotero, matupi athu ndi odabwitsadi, sichoncho? N'zodabwitsa momwe adapangira machitidwe ovuta chonchi kuti adziteteze okha. Koma, ngakhale kuti akuthandiza njira zachilengedwe zodzitetezera, ndikofunikiranso kuti tisamalire thanzi lathu.
Mitsempha ina yamagazi, njira zina zowonjezerera magazi, Kuyenda kwa magazi m'thupi, kuyenda kwa magazi, matenda a mtima, kutsekeka kwa mitsempha yamagazi, angiogenesis

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