Yini i-Foscarnet: Ukusetshenziswa, Umthamo, Imiphumela Eceleni nokuningi

I-Foscarnet iyikhambi elinamandla elilwa namagciwane elinikezwa ngomugqa we-IV (intravenous) ukwelapha izifo ezinzima zamagciwane ezithinta abantu abanezinhlelo zokuzivikela ezibuthakathaka. Lo muthi usebenza ngokuvimbela amagciwane athile ukuthi aziphindaphinde emzimbeni wakho, unikeze uhlelo lwakho lokuzivikela ithuba elingcono lokulwa naleli gciwane. Ngenkathi kungewona umuthi ongawuthola ngokujwayelekile ngaphandle kokubhekana nenselelo ethile yamagciwane, ukuqonda ukuthi isebenza kanjani kungakusiza ukuthi uzizwe ulungele kakhulu uma udokotela wakho eyincoma.

Yini i-Foscarnet?

I-Foscarnet iyikhambi elilwa namagciwane elingelika-class lemithi ebizwa ngokuthi ama-DNA polymerase inhibitors. Cabanga ngayo njengethuluzi elikhethekile elivimbela amagciwane ukuthi azikopishe ngaphakathi kwamaseli akho. Ngokungafani neminye imithi elwa namagciwane ongayithatha ngomlomo, i-foscarnet inikezwa ngokuqondile egazini lakho nge-IV ngoba umzimba wakho uyayithatha kangcono ngale ndlela.

Lo muthi uthathwa njengomuthi onamandla, wezinga lomtholampilo olwa namagciwane odokotela abawugcinela izimo ezinzima. Ibaluleke kakhulu lapho ezinye izindlela zokwelapha ezilwa namagciwane zingasebenzanga noma uma ubhekene nezifo zamagciwane ezingamelani nemithi. Lo muthi ubelokhu usiza iziguli ukuthi zilwe nezifo zamagciwane eziyinselele amashumi eminyaka, ngomlando oqinile ezindaweni zezokwelapha.

Yini i-Foscarnet Esetshenziselwa Yona?

I-Foscarnet iphatha izifo ezinzima zamagciwane, ikakhulukazi kubantu abanezinhlelo zokuzivikela ezingasebenzi ngamandla aphelele. Udokotela wakho angase ancome lo muthi uma une-HIV/AIDS, uthole ukufakelwa kwesitho, noma ulashwa umdlavuza othinta uhlelo lwakho lokuzivikela.

Umuthi uqondiswe ngqo ezinhlotsheni ezimbili eziyinhloko zezifo ezibangelwa amagciwane eziyingozi. Okokuqala, welapha izifo ze-cytomegalovirus (CMV), ezingabangela izinkinga zombono, izinkinga zokugaya ukudla, noma izinkinga zamaphaphu kubantu abanokuzivikela komzimba okungahlelekile. Okwesibili, ulwa nezifo ze-herpes simplex virus (HSV) eziye zamelana neminye imithi elwa namagciwane noma ebangela izimpawu ezinzima.

Kwezinye izimo, odokotela basebenzisa i-foscarnet ukwelapha izinhlobo ezithile ze-varicella-zoster virus (igciwane elibangela inkukhu nezinduna) lapho ukwelashwa okujwayelekile kungasebenzi. Ithimba lakho lezempilo lizohlola ngokucophelela ukuthi lo muthi onamandla uyisinqumo esifanele yini isimo sakho esithile.

Isebenza Kanjani I-Foscarnet?

I-Foscarnet isebenza ngokungenelela ikhono legciwane lokuzala ngaphakathi kwamaseli akho. Lapho amagciwane engena emzimbeni wakho, athatha imishini yamaseli akho ukuze akhiqize amakhophi awo. I-Foscarnet ivimba i-enzyme ebalulekile ebizwa nge-DNA polymerase edingwa amagciwane ngale nqubo yokukopisha.

Lo muthi onamandla oqondiswe ngqo emjikelezweni wokuzala wegciwane. Ngokuvimbela amagciwane ukuthi angaphindaphindi, i-foscarnet isiza ukunciphisa umthwalo wegciwane emzimbeni wakho futhi inikeze amasosha akho omzimba isikhathi sokuthi akhe ukuvikela okuphumelelayo. Umuthi awelaphi ngokuphelele ukutheleleka ngegciwane, kodwa unganciphisa kakhulu izimpawu futhi uvimbele ukuthi ukutheleleka kungasakazeki.

Okuthakazelisayo nge-foscarnet ukusebenza kwayo kahle ekulweni namagciwane amelana nemithi. Amanye amagciwane athuthukisa ukumelana neminye imithi elwa namagciwane, kodwa i-foscarnet isebenza ngendlela ehlukile, okwenza kube yindlela ebalulekile yokusekela lapho ukwelashwa kokuqala kwehluleka.

Kufanele Ngiyithathe Kanjani I-Foscarnet?

I-Foscarnet ihlale inikezwa ngomugqa we-IV esibhedlela noma esikhungweni esikhethekile sokufaka umuthi ngaphandle. Awukwazi ukuthatha lo muthi ngomlomo, futhi udinga ukugadwa ngokucophelela kwezokwelapha ngesikhathi sokuphathwa. Ukufakwa komuthi kuvame ukuthatha ihora elingu-1-2, futhi kuzodingeka uhlale esikhungweni sezokwelapha ngalesi sikhathi.

Ngaphambi kokufakwa komuthi ngamunye, ithimba lakho lezempilo lizohlola ukusebenza kwezinso zakho kanye namazinga e-electrolyte ngokusebenzisa ukuhlolwa kwegazi. Lo muthi ungase uthinte izinso zakho, ngakho-ke ukuhlala unamanzi kahle kubalulekile. Ithimba lakho lezokwelapha cishe lizokunika uketshezi olwengeziwe nge-IV yakho ngaphambi nangemva kwe-foscarnet ukuvikela izinso zakho.

Akudingeki ukhathazeke ngesikhathi sokudla ngesikhathi sokufakwa kwe-foscarnet, kodwa yidla ngokujwayelekile futhi uhlale unamanzi ngesikhathi sokwelashwa kwakho. Ithimba lakho lezempilo lizokuqapha ngokusondele ngesikhathi seseshini ngayinye futhi lingase lilungise umthamo wakho ngokusekelwe endleleni umzimba wakho osabela ngayo emuthini.

Kufanele Ngithathe Isikhathi Esingakanani I-Foscarnet?

Ubude bokwelashwa nge-foscarnet buxhomeke ohlotsheni lokutheleleka olulwayo kanye nendlela umzimba wakho osabela ngayo emuthini. Ezifweni ze-CMV, ukwelashwa kuvame ukuthatha amasonto angu-2-3 esigabeni sokuqala, kulandelwe isikhathi sokugcinwa esingaqhubeka izinyanga.

Ezifweni ze-herpes ezingamelana nemithi, ungase udinge i-foscarnet amasonto angu-1-3, kuye ngokuthi izimpawu zakho zithuthuka ngokushesha kangakanani. Udokotela wakho uzoqapha ukuqhubeka kwakho ngokusebenzisa ukuhlolwa kwegazi okujwayelekile nokuhlolwa komzimba ukuze anqume ukuthi kuphephile nini ukuyeka ukwelashwa.

Abanye abantu badinga ukwelashwa kokugcinwa kwesikhathi eside, ikakhulukazi uma amasosha abo omzimba esahlala ekhubazekile. Ithimba lakho lezempilo lizosebenza nawe ukuthola ibhalansi efanele phakathi kokulawula ukutheleleka nokunciphisa imiphumela engemihle engaba khona evela ekwelashweni okweluliwe.

Yini Imiphumela Eceleni Ye-Foscarnet?

I-Foscarnet ingabangela imiphumela eminingi engemihle, futhi ithimba lakho lezempilo lizokuqapha ngokucophelela ngesikhathi sokwelashwa ukuze libone noma yiziphi izinkinga zisasekuqaleni. Ukuqonda okungase kwenzeke kungakusiza ukuthi uzizwe ulungile futhi wazi ukuthi uzokhuluma nini nganoma yiziphi izinkathazo.

Imiphumela eminingi engemihle ongase uyithole ihlanganisa isicanucanu, ikhanda elibuhlungu, nokukhathala ngesikhathi noma ngemva kokufakwa kwakho. Abanye abantu baphawula nokuzwa ukuluma emlonyeni wabo noma ezandleni nasezinyaweni zabo. Lezi zimpawu zivame ukulawuleka futhi zivame ukuthuthuka njengoba umzimba wakho ujwayela umuthi.

Imiphumela emibi kakhulu ingathinta izinso zakho nokulinganisela kwama-electrolyte. Nawa amasignali ayisixwayiso abalulekile ithimba lakho lezokwelapha elizowaqaphela:

• Ushintsho emaphethini okuchama noma ukusebenza kwezinso
• Ukuhambisa imisipha noma ubuthakathaka obubangelwa ukungalingani kwama-electrolyte
• Ukushaywa yizithuthwane (okungavamile kodwa kungenzeka ngoshintsho olukhulu lwama-electrolyte)
• Ushintsho lwesigqi senhliziyo
• Isicanucanu esibi noma ukuhlanza

Ithimba lakho lezempilo lizohlola njalo umsebenzi wegazi lakho ukuvimbela lezi zinkinga futhi lilungise ukwelashwa kwakho uma kudingeka. Abantu abaningi bayakwazi ukumelana ne-foscarnet kahle uma beqashwe kahle, futhi imiphumela emibi kakhulu iyalawuleka ngokunakekelwa kwezokwelapha okusheshayo.

Imiphumela emibi engavamile kodwa engathi sína ingahlanganisa ukulimala okukhulu kwezinso, ukucindezelwa komnkantsha wamathambo, noma ukungalingani okuyingozi kwama-electrolyte okuthinta ukusebenza kwenhliziyo. Lezi zinkinga yizona ezenza i-foscarnet idinge ukuqashwa ezingeni lomtholampilo futhi akuyona into okudingeka ukhathazeke ngayo ukuyilawula wedwa.

Ubani Ongafanele Athole I-Foscarnet?

I-Foscarnet ayifanele wonke umuntu, futhi udokotela wakho uzobuyekeza ngokucophelela umlando wakho wezokwelapha ngaphambi kokuncoma lokhu kwelashwa. Abantu abanezifo ezinzima zezinso ngokuvamile abakwazi ukuthola i-foscarnet ngoba umuthi ungalimaza ngokuqhubekayo ukusebenza kwezinso.

Akufanele uthole i-foscarnet uma unokungezwani komzimba okwaziwayo emuthini noma uke wahlangabezana nokusabela okukhulu kuwo esikhathini esidlule. Ithimba lakho lokunakekelwa kwezempilo lizophinda liqaphele uma unomlando wezinkinga zesigqi senhliziyo, njengoba i-foscarnet ingathinta uhlelo lukagesi lwenhliziyo yakho.

Ezinye izimo zidinga ukuqapha okwengeziwe nokuqapha. Lokhu kufaka phakathi:

• Isifo sezinso noma ukuncipha komsebenzi wezinso
• Isifo senhliziyo noma isigqi senhliziyo esingajwayelekile
• Ukungalingani kwe-electrolyte
• Ukuphazamiseka kokuhlaselwa yisithuthwane
• Ukuphelelwa amanzi emzimbeni okukhulu

Ukukhulelwa nokuncelisa ngamabele kudinga ukucatshangelwa okukhethekile, njengoba i-foscarnet ingase ibeke engozini izingane ezisakhulayo. Udokotela wakho uzohlola izinzuzo nezingozi ngokucophelela uma ukhulelwe noma uhlela ukukhulelwa ngesikhathi sokwelashwa.

Amagama Omkhiqizo we-Foscarnet

I-Foscarnet ivame ukutholakala ngaphansi kwegama lomkhiqizo elithi Foscavir e-United States. Lona umkhiqizo oyinhloko ozohlangana nawo ezibhedlela nasemithini yokufaka imithi. Umuthi uyatholakala futhi njenge-generic foscarnet sodium injection, esebenza ngendlela efanayo nenguqulo yegama lomkhiqizo.

Ithimba lakho lokunakekelwa kwezempilo lizosebenzisa noma iyiphi inguqulo etholakalayo endaweni yakho yokwelashwa. Zombili izinguqulo zegama lomkhiqizo kanye ne-generic ziqukethe isithako esifanayo esisebenzayo futhi zisebenza ngokulinganayo ekwelapheni izifo ezibangelwa amagciwane.

Ezinye izindlela ze-Foscarnet

Eminye imithi eminingi elwa namagciwane ingelapha izifo ezifanayo, nakuba udokotela wakho ekhetha i-foscarnet ngezizathu ezithile. Ezifweni ze-CMV, ezinye izindlela zihlanganisa i-ganciclovir (Cytovene), i-valganciclovir (Valcyte), kanye ne-cidofovir (Vistide). Ngamunye unamandla ahlukene kanye namaphrofayili emiphumela emibi.

Ezifweni ze-herpes, i-acyclovir (Zovirax) ne-valacyclovir (Valtrex) zivame ukuzanywa kuqala. Nokho, i-foscarnet ibaluleka lapho le mithi ingasebenzi ngenxa yokumelana nemithi noma uma udinga indlela yokwelashwa enamandla.

Udktela wakho ucabangela izinto eziningana lapho ekhetha phakathi kwalezi zinketho, okuhlanganisa igciwane elithile elibangela ukutheleleka kwakho, ukusebenza kwezinso zakho, eminye imithi oyithathayo, nokuthi izimpawu zakho zinzima kangakanani. I-Foscarnet ivame ukusebenza njengenketho yokusekela lapho ezinye izindlela zokwelapha zingasebenzi.

Ingabe i-Foscarnet ingcono kune-Ganciclovir?

I-Foscarnet ne-ganciclovir yomibili imithi elwa namagciwane esebenzayo, kodwa isebenza kangcono ezimweni ezihlukene. Akukho noyedwa ongcono kunomunye - ukukhetha kuncike ezimweni zakho ezithile nezidingo zezokwelapha.

I-Foscarnet inezinzuzo lapho ibhekene namagciwane amelana nemithi noma uma unezifo ezithile zegazi ezenza i-ganciclovir ingafaneleki. Ayicindezeli umnkantsha wakho wamathambo njengoba i-ganciclovir ingenza, okubalulekile uma usuvele ubhekene nokubala kwamangqamuzana egazi aphansi.

Kodwa-ke, i-ganciclovir ivame ukuba lula ezinso zakho futhi ingase ithandwe uma unezinkinga zokusebenza kwezinso. Udktela wakho uzocabangela impilo yakho yezinso, ukubalwa kwegazi, igciwane elithile olilwayo, nanoma iyiphi iphethini yokumelana nemithi lapho enquma ukuthi iyiphi imithi engcono kuwe.

Imibuzo Evame Ukubuzwa Mayelana ne-Foscarnet

Q1. Ingabe i-Foscarnet iphephile kubantu abanezifo zezinso?

I-Foscarnet idinga ukucatshangelwa ngokucophelela uma unezifo zezinso, njengoba ingase yenze ukusebenza kwezinso kube kubi kakhulu. Udktela wakho uzohlola impilo yakho yezinso ngokusebenzisa izivivinyo zegazi ngaphambi kokuqala ukwelashwa futhi angase alungise umthamo wakho noma akhethe enye imithi uma izinso zakho zingasebenzi kahle.

Uma udktela wakho enquma ukuthi i-foscarnet iyadingeka naphezu kwezinkinga zezinso, uzothola ukuqapha okwengeziwe kanye noketshezi lwe-IV ukuvikela ukusebenza kwezinso zakho. Abanye abantu abanokukhubazeka kwezinso okuncane basengathola i-foscarnet ngokuphepha ngokulungiswa komthamo nokuqondiswa okuseduze.

Q2. Kufanele ngenzeni uma ngithola imiphumela emibi ngesikhathi sokufakwa kwe-Foscarnet?

Xhumana nethimba lakho lezempilo ngokushesha uma ubona noma yiziphi izimpawu ezingavamile ngesikhathi sokufakwa kwakho. Ukusabela okuvamile njengokucasuka, ikhanda elibuhlungu, noma imizwa yokuluma ngokuvamile kungalawulwa ngokunciphisa izinga lokufakwa noma ukuhlinzeka ngemithi eyengeziwe.

Izimpawu ezingathi sína njengobunzima bokuphefumula, ubuhlungu besifuba, ukucasuka okukhulu, noma imisipha eqinile idinga ukunakekelwa kwezempilo ngokushesha. Ithimba lakho lezempilo liqeqeshwe ukubhekana nalezi zimo futhi lizokwazi kahle ukuthi lenzeni ukuze likugcine uphephile.

Q3. Kufanele Ngenzeni Uma Ngiphuthelwa Umthamo We-Foscarnet Ohleliwe?

Xhumana nomhlinzeki wakho wezempilo ngokushesha uma uphuthelwa ukuqokwa kokufakwa okuhleliwe. Njengoba i-foscarnet iphatha izifo ezingathi sína, ukugcina ukwelashwa okuqhubekayo kubalulekile ekulawuleni igciwane ngempumelelo.

Ithimba lakho lezokwelapha lizohlela kabusha ukuqokwa kwakho ngokushesha okukhulu futhi lingashintsha uhlelo lwakho lokwelashwa uma kudingeka. Ungazami ukuthi "ubambe" ngokuthola imithi eyengeziwe - namathela esimisweni esihlinzekwa yithimba lakho lezempilo.

Q4. Ngingayeka Nini Ukuthatha I-Foscarnet?

Udokotela wakho uzonquma ukuthi kuphephile nini ukuyeka i-foscarnet ngokusekelwe ekuhlolweni kwegazi lakho, izimpawu, nesimo sempilo yakho esiphelele. Kwezinye izifo, uzodinga inkambo ephelele yokwelashwa ngisho nangemva kokuthi uqala ukuzizwa ungcono ukuvimbela igciwane ukuthi lingabuyi.

Ungalokothi uyeke ukwelashwa nge-foscarnet ngokwakho, ngisho noma uzizwa ungcono kakhulu. Ukuyeka ngaphambi kwesikhathi kungavumela igciwane ukuthi liphindaphinde futhi libe ngaphezulu kokumelana nokwelashwa. Ithimba lakho lezempilo lizokuqondisa kuyo yonke inqubo ngokuphepha.

Q5. Ngingashayela Ngemva Kokuthola I-Foscarnet?

Akufanele ushayele ngokushesha ngemva kokuthola i-foscarnet, njengoba imithi ingabangela isiyezi, ukukhathala, noma eminye imiphumela engase yonakalise ikhono lakho lokushayela ngokuphepha. Hlela ukuthi kube khona umuntu ozokushayela uye futhi ubuye ekuqokweni kwakho kokufakwa.

Abantu abaningi bazizwa beqine ngokwanele ukushayela ngemva kwamahora ambalwa ngemva kokwelashwa, kodwa lalela umzimba wakho futhi ungashayeli uma uzizwa unesiyezi, ukhathele, noma ungazizwa kahle. Ukuphepha kwakho nokuphepha kwabanye emgwaqeni yikho okubaluleke kakhulu.