Inoratidzira Chiitiko che CO2 pamusoro pekuvhiringidzika kwezvirwere
Kana iwe uine COPD , chiremba wako angada kuziva kuti kushandiswa kwako kwakadini kwe carbon dioxide (PaCO2). PaCO2 imwe yezviedzo zvakasiyana-siyana zvinoshandiswa kuyera ropa rinokonzera ropa mune vanhu vane chirwere chepapu uye nezvimwe zvirwere. Inotarisisa kuti zvakanaka carbon dioxide (CO2) inobva mumapapu kusvika muropa.
PaCO2 inongova imwe chete yezvinhu zvakaenzana muutachiona hwemagetsi (ABG).
Inotarisawo kuwedzera kwemaitiro emhepo (PaO2), bicarbonate (HCO3), uye pH yeropa.
Nei Kuyera PaCO2 Zvakakosha?
Nguva imwe neimwe yatinopinza, okisijeni inounzwa mumapapu uye inoendeswa kune alveoli . Alveoli ndiyo iyo kutumirwa kwe okisijeni muropa uye carbon dioxide kunze kweropa rinoitika.
Kana kukanganiswa kwemukati we oksijeni ne carbon dioxide kune chinhu chinowanzoitika, mamolekoro ichabva kubva mu-alveoli kusvika muropa uye shure sezvavanofanira. Kuchinja mukumanikidzwa ikoko kunogona kuguma nekuwana mhepo yakanyanya shoma muropa kana kuunganidza yakawanda carbon dioxide muropa. Uyewo hazvionekwi zvakanaka.
Kuva nemhepo yakawanda kabhoni dioxide inonzi hypercapnia , mamiriro ezvinhu anowanikwa kune vanhu vane makore ekupedzisira COPD. Ko2 duku zvishoma inogona kutungamirira ku alkalosis , mamiriro aunayo mabhuku akawanda muropa rako (CO2 is acid).
Chii chinokonzera kuchinja paPCO2
Pane zviitiko zvakawanda zvinogona kukanganisa mazimbe emhepo.
Kubva pane zvakajeka, kuchinja mumhepo yepakisi (yakadai sokukwira gomo, scuba diving, kana kunyange kugara kune imwe nzvimbo yezvokutengeserana) kunogona kuedza kumanikidza muviri unogona kugadzirisa kuti zvakanaka kana kuti ropa rinotama sei kubva kumapapu kuenda kumapillaries uye kumashure .
Zvirwere zvinogona kushanda nenzira imwechete, kushandura kusarura kwechikamu chinogonesa kutengesa kwema molecules e-CO2.
Mamiriro ezvinhu mazhinji anogona kuchinja mazinga aya:
- zvirwere zvinoparadza zvirwere zvakadai seCOPD uye asthma
- central nervous system impairment (kusanganisira kusakuvara kwepamusoro uye kushandisa zvinodhaka)
- chirwere chinonzi neuromuscular chakadai seA ALS
- hutoglobin yakaderera yakashandiswa kutakura oxygen uye carbon dioxide kuburikidza neropa
Kazhinji uye Isingaenzaniswi PaCO2 Nhamba
Chiyero cheAGG chinowanzoitwa pamushonga wepakati mukati mekristani kana kuti mhirizhonga yechikadzi mune mugwagwa. Iyo inowanzove isina kuoma nzira asi inogona kurwadza ipiwa kuti mishonga inowanikwa mukati momuviri kupfuura mutsinga. Kuvhuvhuta nekupwanya dzimwe nguva zvinogona kuitika.
Izvo zvakasiyana-siyana zvekusarura zvishoma kwekhabhoni dioxide iri pakati pe40 ne 45 mm Hg. Kana iri yakakwirira kudarika 45 mm Hg, iwe une ine carbon dioxide yakawanda muropa rako. Pasi pemakumi mana emamiriyoni Hg, uye iwe une zvishoma zvishoma.
Yakawandisa CO2 mazinga anowanzoonekwa mumatambudziko e:
- chinokanganisa chirwere chemapapu
- kurutsa kukuru
- kunyanya kushandiswa kwe mercury-based diuretics
- aldosteronism (rudzi rwehomoni inokonzera kukwirira kweropa)
Kusiyana, kupera kwe CO2 kunowanzoonekwa ne:
- itsvo kusagadzikana kana kukanganisa
- chirwere chakanyanya
- anorexia / nzara
- kushandiswa kwechirwere cheklorothiazide diuretics (yakashandiswa kuderedza chirwere chepfungwa uye kushaya njodzi yemwoyo)
- chirwere cheshuga
Kukosha Kwokudzvinyirirwa Kwepamwechete kweKarbon Dioxide muCOPD
Carbon dioxide iri muchiyero pamwe neBicarbonate (HCO3) muropa. Apo CO2 yakasimudzwa, inogadzira nzvimbo yakashata. Muvanhu vane COPD vane matambudziko makuru ekufema, kuwedzera kweC22 kunogona kukonzera izvo zvatinodanidza kuporesa acidosis . Kana izvi zvikaitika pakupedzisira-shanho COPD (kana munhu akaora mwoyo zvakanyanya mumapfupa ekuputika), mamiriro acho anogona kutungamirira mukupora kusakundikana.
Sources:
> Abdo, W. uye Heunks, L. "Oxygen-Inofadza Hypercapnia muCOPD: Nhema Nechokwadi." Kutarisira Kunokosha . 2012. 16 (5): 323.
> US National Library of Medicine. Medline Plus. "Ropa Rinopera." MedLine Plus. Bethesda, Maryland; Yakavandudzwa August 25, 2014.