An san cewa COVID-19 yana ƙara haɗarin kamuwa da ciwon zuciya , bugun jini, da kuma cutar COVID mai tsawo , amma abin da ba a sani ba shi ne ko lalacewar ta faru ne saboda ƙwayar cutar tana shafar ƙwayar zuciya da kanta, ko kuma saboda kumburin da tsarin garkuwar jiki ke haifarwa ga ƙwayar cutar. A cikin wani sabon bincike, masu bincike sun gano cewa kamuwa da cutar SARS-CoV-2 ya ƙara yawan ƙwayoyin cuta na zuciya kuma ya sa su canza daga aikinsu na yau da kullun zuwa kumburi. Kwayoyin cuta na zuciya masu kumburi suna lalata zuciya da sauran jiki. Masu binciken sun kuma gano cewa toshe martanin garkuwar jiki tare da maganin rigakafi mai hana ƙwayoyin cuta a cikin samfurin dabba yana dakatar da kwararar ƙwayoyin cuta na zuciya masu kumburi da kuma kiyaye aikin zuciya wanda ke nuna cewa wannan hanyar tana da yuwuwar warkewa.
An san cewa COVID-19 yana ƙara haɗarin bugun zuciya, bugun jini, da Dogon COVID. Fiye da kashi 50% na mutanen da suka sami COVID-19 suna fuskantar wani kumburi ko lahani ga zuciya. Abin da ba a sani ba shi ne ko lalacewar ta faru ne saboda kwayar cutar tana cutar da ƙwayar zuciya da kanta, ko kuma saboda kumburin tsarin da garkuwar jiki ke haifar da cutar.
Wani sabon bincike ya ba da haske kan alaƙa tsakanin mummunan rauni na huhu a cikin COVID-19 mai tsanani da kumburin da zai iya haifar da rikice-rikice na zuciya. Binciken ya mayar da hankali kan ƙwayoyin rigakafi da aka sani da macrophages na zuciya, wanda yawanci yana yin muhimmiyar rawa wajen kiyaye lafiyar nama amma ya zama mai kumburi don amsawa ga rauni kamar ciwon zuciya ko ciwon zuciya.
Masu binciken sun yi nazarin samfuran ƙwayoyin zuciya daga marasa lafiya 21 da suka mutu sakamakon cutar SARS-CoV-2 mai alaƙa da matsananciyar numfashi (ARDS) kuma sun kwatanta su da samfuran daga marasa lafiya 33 waɗanda suka mutu sakamakon abubuwan da ba na COVID-19 ba. Domin bin diddigin abin da ya faru da ƙwayoyin cuta bayan kamuwa da cuta, masu binciken sun kuma kamu da cutar SARS -CoV-2 ga beraye.
An gano cewa kamuwa da cutar ta SARS-CoV-2 ta ƙara adadin macrophages na zuciya a cikin mutane da beraye. Har ila yau ciwon ya sa macrophages na zuciya ya canza daga aikin su na yau da kullum don zama mai kumburi. Macrophages masu kumburi suna lalata zuciya da sauran jikin.
An tsara wani bincike a cikin beraye don gwada ko amsar da suka lura ta faru ne saboda SARS-CoV-2 tana cutar da zuciya kai tsaye, ko kuma saboda kamuwa da cutar SARS-CoV-2 a cikin huhu ya yi tsanani sosai don sa macrophages na zuciya ya zama mai kumburi. Wannan binciken ya kwaikwayi alamun kumburin huhu, amma ba tare da kasancewar ainihin kwayar cutar ba. An gano cewa ko da babu kwayar cuta, berayen sun nuna martanin rigakafin da ya isa ya samar da canjin macrophage na zuciya iri ɗaya wanda aka lura duka a cikin marasa lafiyar da suka mutu daga COVID-19 da berayen da suka kamu da cutar ta SARS-CoV-2. .
Kwayar cutar SARS-CoV-2 tana haifar da lahani kai tsaye ga kyallen huhu. Bayan kamuwa da cutar COVID , ban da lalacewar kai tsaye da kwayar cutar ke yi, garkuwar jiki na iya lalata sauran gabobin jiki ta hanyar haifar da kumburi mai ƙarfi a ko'ina cikin jiki.
Abin sha'awa, an kuma gano cewa toshe martanin rigakafi tare da antibody neutralizing a cikin mice ya dakatar da kwararar macrophages na zuciya mai kumburi da kiyaye aikin zuciya. Wannan yana nuna cewa wannan hanya (wato hana kumburi na iya rage rikice-rikice) yana da damar warkewa idan an same shi lafiya kuma yana da inganci a gwaji na asibiti.
***
References:
- NIH. Sabunta labarai - Mummunan kamuwa da cutar huhu yayin COVID-19 na iya haifar da lahani ga zuciya. An buga 20 Maris 2024. Akwai a https://www.nih.gov/news-events/news-releases/severe-lung-infection-during-covid-19-can-cause-damage-heart
- Grun J., et al 2024. Cutar Cutar Cutar Cutar Cutar Cutar Cutar Cutar Cutar Cutar Cutar Cutar Cutar Cutar Cutar Cutar Cutar Cardiomyopathy tana haifar da Ciwon Jiki Ta hanyar Kashe Amsoshi masu kumburi a cikin Zuciya. Zagayawa. 2024; 0. An buga asali 20 Maris 2024. DOI: https://doi.org/10.1161/CIRCULATIONAHA.123.066433
***
