Kusokoneza mphamvu ndizoyendera momwe oxygen ndi carbon dioxide zimasamutsidwa (zimasiyana) pakati pa mapapu ndi magazi.
Oxygen ndi carbon dioxide zonse zimayenera kudutsa m'mapapu otchedwa alveolar-capillary membrane. Izi ndizozing'ono pakati pa timapepala tating'ono ting'onoting'ono m'mapapo ( alveoli ) ndi mitsempha yaing'ono kwambiri yomwe imayenda m'mapapo ( capillaries) ).
Mpweya wabwino umene umaphatikizidwa ukhoza kupitirira (kufalikira) kuchokera ku alveoli kupita m'magazi, komanso momwe carbon dioxide imatha kudutsa m'magazi a m'magazi kupita ku alveoli ndi kutulutsa mpweya, zimadalira momwe mzerewu uli wakuda, ndi kuchuluka kwake ilipo kuti kutumiza kuchitike.
Kodi Kusiyana Kwambiri Kwambiri Kumatanthauza Chiyani?
Pali njira ziwiri zosiyana zomwe zimasiyanitsa mphamvu zingathe kuchepetsedwa.
- Kusokoneza mphamvu kungakhale kochepa ngati matenda a mapapu alipo omwe amachititsa kuti nembanemba ikhale yowopsa, mwachitsanzo, mu matenda monga pulmonary fibrosis ndi sarcoidosis .
- Kusokoneza mphamvu kungakhale kotsika ngati palibe malo ochepa omwe angapezeko kutulutsa mpweya ndi carbon dioxide, mwachitsanzo, ndi emphysema kapena ngati mapapo kapena gawo la mapapo akuchotsedwa khansa yamapapo .
Kodi Kusokoneza Mphamvu Kumayesedwa Bwanji?
Kuyesera kusokoneza mphamvu nthawi zambiri kumachitidwa pamodzi ndi mayesero ena opanga mapiritsi .
Mu yeseso ili, chigoba chimayikidwa pamwamba pa nkhope yanu. Pakati pa mayesero, mutenge mpweya waukulu, gwiritsani mpweya wanu, ndiyeno mpweya umene mumatulutsa udzayesedwa.
Mpweya umene mumapuma umakhala ndi mpweya monoxide komanso gesi monga trailer. Dziwani kuti izi zimakanizidwa pang'ono komanso izi sizowopsa.
Pamene mpweya wotulutsa mpweya utatha, madokotala amatha kudziwa momwe carbon dioxide ndi helium zimasokonekera ponseponse pa alveoli mu capillaries, potengera kusiyana pakati pa zomwe zimaphatikizapo ndi zomwe zimatuluka.
Mayesowa amatchedwa DLCO-omwe amaimira kufalikira m'mapapu a carbon monoxide.
Zifukwa za Kusiyanitsa Kutha Kwambiri
Pali zinthu zingapo zomwe zingapangitse kusokoneza mphamvu. Matenda opatsirana ammapiritsi monga pulmonary fibrosis nthawi zambiri amachepetsa kugawa mphamvu (DLCO) chifukwa cha kuphulika ndi kuphulika kwa dera pakati pa alveoli ndi capillaries.
Mosiyana ndi zimenezi, matenda obwera m'mapapo monga emphysema angachepetse DLCO mwa kuchepetsa malo omwe amagwiritsa ntchito mpweya. Mukhoza kuphunzira zambiri za matenda obwera m'mimba ndi oletsa apa .
Zinthu zomwe sizigwirizana ndi mapuloteni amatha kupangitsa kuti pakhale malo omwe amapezeka pakati pa alveoli ndi capillaries. Mwachitsanzo, magazi a mitsempha m'mapapu ( pulmonary embolism ) angachititse mpweya monoxide kubweretsedwa mu alveoli yomwe sungathe kutumizidwa ku capillaries omwe amatha kupereka.
Matenda chifukwa cha kuchepa kwa DLCO ndi awa:
Matenda a m'mapapo amachimake amachititsa kuti tizilombo toyambitsa matenda tisawonongeke
- Pulmonary fibrosis
- Sarcoidosis
Matenda ndi zifuwa za m'mapapo zimayambitsa zochepa m'mapapo
- Emphysema
- Phumu
- Matenda a khansa
- Kuchita opaleshoni
Zinthu zina zomwe zimachepetsa pamwamba pa alveoli-capillary membrane
- Chikumbutso cha embolism
- Kuchepetsa magazi
- Matenda oyambitsa matenda oopsa
Zifukwa za Kusiyanitsa Kwambiri Mphamvu
Kawirikawiri, DLCO ikhoza kukhala yayikulu. Izi zikhoza kuchitika ndi mphumu, polycythemia vera (matenda omwe ali ndi hemoglobin yapamwamba), ndi matenda opatsirana omwe amachititsa kuti magazi asasunthike kuchoka ku mbali ya kumanzere ya mtima kupita kumanja.
Zifukwa Zopangira Kuyesera Kulimbana ndi Mliri
Pali zifukwa zazikulu zitatu zomwe dokotala angachite kuti ayese kuyezetsa kuyesera kufalitsa. Izi zikuphatikizapo:
- Kuzindikira - Madokotala angagwiritse ntchito DLCO kuti apeze matenda monga emphysema,
- Kuwonetsetsa kwachipatala - Kusamvana kumatha kuyang'anitsitsa kuti mudziwe ngati vuto lakhala likuipiraipira, kapena ngati lakhala likukula bwino.
- Pre-opaleshoni - Ndi khansa yamapapu , kufalitsa mphamvu ndizofunika kwambiri kwa anthu omwe akuganiza za opaleshoni ya khansa ya m'mapapo chifukwa ingathandize madokotala kudziwa (pamodzi ndi zifukwa zina) momwe munthu angaperekere opaleshoni.
> Zotsatira:
> National Institute of Health. Medline Plus. Kuyesera Kulimbana ndi Kulimbidwa. Kusinthidwa 11/19/15. https://medlineplus.gov/ency/article/003854.htm
> McCormack, M. Kuthetsa mphamvu ya carbon monoxide. Zaposachedwa. Kusinthidwa 02/10/16. http://www.uptodate.com/contents/diffusing-capacity-for-carbon-monoxide