I-FVC njengeSigaba sokuQala ekuPhononongweni kwezifo zeLung
Ukuxhotyiswa ngamandla, okanye i-FVC, isixa somoya esingaxoshwa ngamandla kwimiphunga emva kokuthatha umoya ophezulu. I-FVC isetyenziselwa ukukunceda ukucacisa zombini ubukho kunye nobukhulu besifo seemiphunga.
Sibanzi
Ukuxhotyiswa kwamandla amakhulu (FVC) kulinganiselwa kuvavanyo olubizwa ngokuba yi- spirometry , uhlobo lovavanyo lomsebenzi wamapulmoni. Kuvavanyo lwe-spirometry, i-mask ifakwa phezu kobuso bakho.
Imilinganiselo ithathwa njengoko uphefumula kwaye uphefumula (exhale) njengamandla ngokusemandleni.
Izizathu zokulinganisa
Kukho izizathu ezininzi apho ugqirha wakho angakhetha ukulinganisa i-FVC yakho - inani lemimoya onokuyikhupha ngamandla. Ezi ziquka:
- Ukuvavanya iimpawu ezingabonisa izifo zamaphaphu, njengokuphefumula, ukukhwehlela okanye ukuhamba.
- Ukubeka esweni izifo zemiphunga sele sele zifumene ukuba ziyabona, zibone ukuba ziphucula kuzo zonke unyango.
- Ukuphonononga ubuchule bakho bokunyamezela utyando okanye inkqubo yohambo. Ngamanye amaxesha oogqirha bafuna ukuqinisekisa ukuba ukuphefumula kwakho kuzinzile ngaphambi kokuhlinzwa, ngakumbi ukuba uya kuba nokuhlinzwa okwamaphaphu. Ukongezelela, abanye abantu baye bavavanywa lo vavanyo ngaphambi kokuqalisa inkqubo entsha yokuzilolonga.
- Ukuvavanya isifo senhliziyo. Kwiminyaka yakutshanje, kufunyaniswe ukuba i-FVC ihambelana ngokuthe ngcipheko kunye nomngcipheko wokuphuhlisa isifo senhliziyo, nangona kusekhona "kwiindawo eziqhelekileyo".
- Njengophelo lokugqibela kwiimvavanyo zeclini. Izilingo zezonyango zikhangele ukuhlola indlela amayeza asebenza ngayo angalinganisa i-FVC kwinani elikhulu labantu ukuthelekisa kunye nonyango oluqhelekileyo.
Iimvavanyo ezichanileyo ngokwenene
Xa ulinganisa umlinganiselo womoya unokuphefumula ngamandla, oogqirha banokumisela izinto ezininzi ngemisebenzi yakho yemiphunga.
Oogqirha baqala ukuthelekisa umlinganiselo wakho kwizinto eziza kuqikelelwa ngokusekelwe kwiminyaka yakho, ubude bakho kunye nobukhulu bakho.
Ukuvimbela izifo ezithintekayo nge-Lung Disease - FEV1 / FVC
Ekubeni i-FVC inokunciphisa ngokufanayo kwizifo zombini eziphazamisayo nezikhuselweyo , ngokuqhelekileyo luncedo kakhulu xa zisetyenziswe njengomlinganiselo nomlinganiselo womoya onokukhutshwa ngamandla kwisibini. Ngamanye amazwi, umlinganiselo we-FEV1 / FVC unceda ukwahlula ukuphazamiseka kwezifo ezithintekayo zemiphunga. Xa i-FEV1 eyenza ngaphantsi kwe-80% ye-FVC ibonisa ukuba ukukhuseleka kuqhubeka kwimiphunga. Ukukhutshwa kungaba nokuguqulwa, njengokuba isifo se-asthma , okanye ingenakuphikiswa, njengeCOPD. Kwiimpawu zomngcipheko ezithintekayo, ezifana ne- pulmonary fibrosis , zombini manani ayancipha.
Iimeko
Kubalulekile ukuqaphela ukuba i-FVC ingaqwalaselwa ngeendlela ezimbini. Bobabini ukuthelekisa noko i-FVC yakho ifaneleke ukuba isekelwe kubudala bakho, ukuphakama, kunye nesisindo, kunye nendlela i-FVC yakho iguqula ngayo wena ngokuhamba kwesikhathi. I-FVC inokuncipha kwiimeko ezininzi ezahlukileyo kwaye ingaba yesikhashana okanye isigxina. Ezinye zezi ziquka:
- Isifo esingasigxina se-pulmonary disease (COPD) - Kubandakanywa i-bronchitis engapheliyo (i-FVC ingaqhelekileyo okanye iyancipha) i-emphysema (i-FVC iyancipha) kunye ne- bronchiectasis .
- Izifo ezithintekayo zomoya ezinjenge- idiopathic pulmonary fibrosis .
- Izifo ezithintekayo zengqungquthela ezinjengeendlela eziveliswa yi- scoliosis kunye nokutshatyalaliswa kwesifuba.
- Izifo ezifana ne- sarcoidosis .
- Izifo zamaphaphu ezivuthayo ezifana ne-asbestosis kunye ne-silicosis.
- Umhlaza wemiphunga.
Isinyathelo esilandelayo ukuba i-FVC iyancipha ukujonga umlinganiselo we-FEV1 / FVC ukuhlukanisa izifo zamaphaphu ibe ngumzekelo onqandekileyo okanye ophazamisayo. Ukuba umyinge ulingana, oku kubhekisela kwisifo sokukhupha umphunga kunye neemvavanyo zomsebenzi weplmonta ngokupheleleyo. Ukuba umyinge ungaphantsi ko-80% (kunye kunye nokunciphisa ngokuxhomekeke kwiminyaka yobudala kunye nezinye izinto) isifo seemiphunga siza kubonakala sisithintelo.
Isinyathelo sokuqala siya kuba kukubona ukuba umqobo ungaguquki (kunye ne-bronchodilator) okanye kungenjalo.
Imiphumo yokuSuba
Ukubhema i-cigarette, ngaphezu kwezo zonke ezinye iingozi, kunciphisa i-FVC. Into eyoyikisayo ngoku kutshatyalaliswa kwamagqirha kukuba kwenzeka ntoni ngokukhawuleza - nakwishumi elivisayo esanda kutshatyalaliswa le mkhuba.
> Imithombo:
> UJohnson, J., kunye noWyurer. Iindlela eziManyathelo okuSetyenziswa kwiNtsingiselo yovavanyo lweMisebenzi yePulmonary. WaseMerika ugqirha . 2014. 89 (5): 359-366.
> Godfrey, M., noMnu Jankowich. Ubungakanani Bokubaluleka Kokuthi > Kubaluleke: I-Epidemiology > kunye neZiklinikhi ezibonakalayo ze-Spirricry Restrictive Pattern. Esifubeni . 2016. 149 (1): 238-251.
> Koo, K., Yun, H., Byeong-Ho, J. et al. Ubudlelwane Phakathi kobuchule obunamandla obunamandla kunye ne-Framingham I-Score Score Risk Score Ngaphandle kobukho beMetabolic Syndrome: Uvavanyo lwe-4 yeKorea yezeMpilo kunye noPhando lweZondlo. Mayeza . 2015. 94 (47): e2089