U-Plethysmography ngumvavanyo wamaphaphu (uvavanyo lomsebenzi wamapulmoni) owenziwe ukulinganisa ukuthotyelwa kwemiphunga ngokuqaphela indlela umphunga wakho ophezulu ungabamba ngayo. (Lung plethysmography ehlukileyo kune-impedance plethysmography, uvavanyo lweemali zegazi emilenzeni.) Isetyenziselwa kunye nezinye iimvavanyo zomphunga kuba unako ukucacisa umthamo womoya opheleleyo emiphakeni yakho.
I-Plethysmography isebenza njani?
U-Plethysmography usekelwe kwimithetho yegesi ebizwa ngokuba ngumthetho kaBoyle. Ngethuba lobushushu busoloko, uxinzelelo kunye nenani lentlawulo yegesi ayinani. Oku kuya kunceda xa sixoxa ngenkqubo.
Uvavanyo lwenziwa nini?
I-plethysmography ingahlawulwa ngezizathu ezininzi. Ezinye zezi ziquka:
- Ukuxilongwa ukuhlukanisa izifo eziphazamisayo kunye nezifo ezithintekayo zemiphunga . (Kwezinye iimeko kunokuba nzima ukufumanisa ukuba isifo somphunga sisithintelo okanye sithintelwe (kukho ukuhlolwa kweminye yeemvavanyo zepmonta) kwaye i-plethysmography inokukunceda ukwenza oku kwahlula nzima.
- Ukuvavanya impendulo yakho kunyango. Ngokomzekelo, ukubona ukuba imfuyo yakho isanda ngakumbi, iphuculwe, okanye ihlala enye.
- Ukuphonononga imiphunga yakho ukuze ubone ukuba ngaba uya kunyamezela ukuhlinzwa komhlaza wamaphaphu.
Inkqubo
Ngethuba le-plethysmography, uya kucelwa ukuba uhlale kwigumbi elincinci, elingaphakanyiswayo elibukeka njengefowuni.
Ukuba ngokuqhelekileyo usebenzisa i-oksijeni, akuyi kufuna ukufumana i-oksijini ngexesha lovavanyo. Umqeqeshi wakho uza kufaka iziqeshana ekhaleni lakho kwaye akunike umlomo wokuphefumula. Abanye abantu bacinga ukuba i-claustrophobic xa inkqubo iqala, kodwa unako ukuvula umnyango okanye ususe umlomo ngasiphi na ixesha xa ufuna (nangona oko kungakwandisa inkqubo.) I-technician iya kukuthatha ngokuphefumula, Emva kokuphefumula, uze uthathe umoya ophefumlelweyo kwaye uphuphe yonke into.
Uninzi lwabantu lunyamezela le nkqubo ngokufanelekileyo, nangona abanye abantu banokuziva benqabileyo okanye bebekho emakhanda ngexesha le nkqubo. Ngokubanzi, inxalenye esebenzayo yale vavanyo ithatha imizuzu engama-15.
Iimvavanyo zovavanyo
U-Plethysmography unikela izigulane zakho ezinokumnceda ukuba aziqonde kakuhle ukuba imiphunga yakho isebenza njani. Uninzi lweemvavanyo zomsebenzi wepulmoni alulinganisi umthamo ohleliyo okanye isixa somoya esishiywe kwimiphunga yakho emva kokuba uphumelele emoyeni njengokuba unako. Ngokumisela le mvavanyo, plethysmography inceda ugqirha wakho ukubala amanye amanani. Imilinganiselo enokusetyenziswa ngokusebenzisa olu vavanyo iquka:
- Umthamo ohlalayo osebenzayo - Umthamo oshiyekileyo osebenzayo umlinganiselo womoya ushiywe kwimiphunga yakho emva kokuba uphumelele emoyeni njengokuba unako.
- Amandla asele asetyenziswayo (FRC) - Umthamo wokuhlala osebenzayo (FRC) umlinganiselo wendlela umoya osele ngayo kwimiphunga yakho emva kokugqithisa ngokubanzi kunokwenzeka ( umqulu wokugcina umgca ). kunye nomlinganiselo womoya osele kwimiphunga yakho emva kokuphefumula ngokuqhelekileyo (ivolumu yokugqibela).
- Ubungakanani bemitha yamanzi (i-TLC) - Lo ngumlinganiselo wenani elipheleleyo lomoya kwisifuba sakho emva kokuba uthathe umoya ophezulu kunokwenzeka.
Ukuqonda iziphumo
Ngokuxhomekeke ekubeni ngaba iziphumo zakho zokuhlala ezishiyekileyo ziphakanyisiwe, ziqhelekileyo okanye zingaphantsi kunokuba zikulindeleke, ugqirha wakho unokukwazi ukuvavanya ukuba yeyiphi imeko yomphunga onokubandezeleka ngayo.
Ukwandiswa koMsebenzi oQinisekayo
Izifo zamaphaphu ezithintekayo zivame ukudala i-FRC eyandisiweyo. Ukuze ufanekise oku, unokucinga ukuba, ngeemeko ezinjenge-emphysema, emva kokuphefumula ngamnye, umthamo opheleleyo awukhatywanga. Ukuhluma kwe-elastic kwonakaliswe ukwenzela ukuba umoya ongaphezulu ushiywe. Umoya owongeziweyo ongasayi kukhutshwa ngawo ungeze kwivolumu evamile emva kokuphefumula. Imiqathango enokubangela ukuba i-FRC eyongezelelweyo ibandakanye:
- Emphysema
- Icystic fibrosis
Ukunciphisa amandla okuhlala okuQinisekayo (FRC)
Ubuncitshi bokunciphisa amandla obuphantsi buthetha ukuba kukho ukuhla kwexabiso lomoya okhoyo emiphakeni.
Oku, nokuba nakho, kunokubangela ezininzi. Imiphunga ingaba "yincinci encinci" ngaphandle okanye ngaphakathi, umzekelo, ukusweleka kwesifuba esifubeni esifana ne-stroke, okanye ukunciphisa ukunyaniseka kwemiphunga ngokwabo (kunciphise ukuthotyelwa) ngenxa yesimo esingapheliyo samaphaphu. Kwakhona kubonakala ukuba unayo inxalenye yempompo isuswe ngumhlaza wemiphunga. Imiqathango enokubangela ukuba i-FRC yehle iquka:
- Idiopathic pulmonary fibrosis
- Ezinye iintlobo ze-pulmonary fibrosis
- Sarcoidosis
- Susa umphunga okanye inxalenye yomphunga
- Ukunyanya
- Izibetho
- Scoliosis
La manani angenakonakala ukuba i-airways yakho igxininiswe okanye ivinjiwe ngandlela-thile, ukuba umoya omningi ushiywe kwimiphunga yakho emva kokuba uphumelele (njengoko ku- emphysema ), okanye ukuba imiphunga yakho ayikwazi ukukhula ngokupheleleyo.
Imizekelo: Ugqirha kaJay wancomela ukuba inqubo ebizwa ngokuthi plethysmography ngaphambi kokuhlinzwa kwakhe ngumhlaza wemiphunga .
Imithombo:
Criee, C., iSorichter, S., Smith H. et al. I-plethysmography ye-Body - Imigaqo yayo kunye nokusetyenziswa kweklinikhi. Amachiza okuphefumula . 2011. 105 (7): 959-971.
ILayibrari yeSizwe ka-US yamayeza. MedlinePlus. UPlethysmography. Ukuhlaziywa 11/22/14. https://www.nlm.nih.gov/medlineplus/ency/article/003771.htm
Zysman-Colman, Z., neL. Lands. IQumrhu Elipheleleyo Plethysmography: Ukuqwalasela ngokufanelekileyo. IziPhulo zoPhulo . 2016. 19: 39-41.