Abdominal aorta (kubva kuGreek aorta, zvinoreva tsinga hombe) inoenderana nechikamu chetsinga, tsinga hombe iri mumuviri.

nzvimbo. Iri pakati pe thoracic vertebra T12 uye lumbar vertebra L4, abdominal aorta inoumba chikamu chekupedzisira cheaorta. (1) Inotevedza aorta inodzika, chikamu chekupedzisira chethoracic aorta. Abdominal aorta inopera nekupatsanura kuita maviri lateral mapazi anoumba kuruboshwe uye rworudyi common iliac arteries, uyewo wechitatu wepakati bazi, nechepakati sacral artery.

Peripheral mapazi. Aorta yemudumbu inobereka matavi akati wandei, kunyanya parietal uye visceral (2):

• Lower phrenic arteries iyo inoitirwa kuzasi kwe diaphragm
• Celiac trunk inokamura kuita matavi matatu, iyo yakajairika hepatic artery, splenic artery, uye kuruboshwe gastric artery. Aya matavi anoitirwa vascularize chiropa, dumbu, spleen, uye chikamu chepancreas
• Superior mesenteric artery iyo inoshandiswa pakugovera ropa kudumbu diki nehombe
• Adrenal arteries inoshumira adrenal glands
• Renal tsinga dzinoitirwa kupa itsvo
• Ovarian uye testicular arteries idzo dzinoshanda maovaries pamwe nechikamu cheuterine chubhu, uye testes.
• Inferior mesenteric artery inoshumira chikamu chedumbu guru
• Lumbar arteries iyo inotarisirwa kune chikamu chemashure chemadziro emimba
• Median sacral artery inopa coccyx uye sacrum
• Yakajairika iliac arteries inotarisirwa kupa nhengo dzepelvis, chikamu chezasi chemadziro emimba, pamwe nemakumbo ezasi.

kudiridza. Iyo abdominal aorta inobata basa guru muvascularization yemuviri nekuda kwematavi ayo akasiyana anopa madziro emimba uye nhengo dzevisceral.

Wall elasticity. Iyo aorta ine elastic wall iyo inobvumira kuti ienderane kune dzvinyiriro misiyano inomuka panguva yekumisikidzwa kwemoyo uye kuzorora.

Abdominal aortic aneurysm ndiko kuwedzera kwayo, kunoitika kana madziro eaorta asisina kufanana. Aya aneurysms anowanzo kuita sepindle, kureva kuti anokanganisa chikamu chikuru cheaorta, asi anogona zvakare kuve sacciform, achiiswa panzvimbo chete kune chikamu cheaorta (3). Chikonzero chechirwere ichi chinogona kubatanidzwa nekushandurwa kwemadziro, kune atherosclerosis uye dzimwe nguva inogona kuva yehutachiona. Mune zvimwe zviitiko, abdominal aortic aneurysm inogona kuva yakaoma kuongorora nekusavapo kwezviratidzo zvakananga. Izvi zvinonyanya kuitika kune diki aneurysm, inoratidzwa nehupamhi hweabdominal aorta isingasviki 4 cm. Zvakadaro, kumwe kurwadziwa kwemudumbu kana kuzasi kunogona kunzwika. Sezvo ichifambira mberi, abdominal aortic aneurysm inogona kutungamirira kune:

• Kudzvinyirirwa kwenhengo dzakavakidzana dzakadai sechikamu chedumbu diki, ureter, the inferior vena cava, kana dzimwe tsinga;
• Thrombosis, kureva kuumbwa kwevhavha, pamwero weaneurysm;
• Acute arterial obliteration yemakumbo ezasi anoenderana nekuvapo kwechipingamupinyi chinodzivirira ropa kuti rifambe zvakanaka;
• chirwere;
• aneurysm yakaputika inoenderana nekuputika kwemadziro eaorta. Ngozi yekuputika kwakadaro inova yakakosha kana dhayamita yeabdominal aorta inopfuura 5 cm.
• dambudziko rekuputika rinoenderana ne "pre-rupture" uye rinokonzera kurwadziwa;

Kuvhiya kurapwa. Zvichienderana nedanho reaneurysm uye mamiriro emurwere, kuvhiyiwa kunogona kuitwa paabdominal aorta.

Kutarisira kurapwa. Kana paine madiki aneurysms, murwere anoiswa pasi pekutariswa nachiremba asi hazvidi hazvo kuvhiyiwa.

Kuongorora muviri. Kutanga, kuongororwa kwekiriniki kunoitwa kuongorora dumbu uye / kana lumbar kurwadziwa kunonzwa.

Kuongorora kwechiremba imaging Kusimbisa kuongororwa, abdominal ultrasound inogona kuitwa. Inogona kuwedzerwa ne CT scan, MRI, angiography, kana kunyange artography.

Kubva 2010, kuongororwa kwakawanda kwakaitwa kudzivirira aneurysms yeabdominal aorta.