Đánh giá chức năng tâm thu thất trái trước và sau phẫu thuật bắc cầu nối động mạch vành không dùng tuần hoàn ngoài cơ thể

Gatzka (2002), <36 cung DMC dll’ <3oan nguy ca tim

mach tuang lai va dac biet la ty le tu vong do benh

mach vanh trong dan cu. Su cung OMC lam tang

cong co bop that trai, vi vay din din phi dai that trai

vai nhu cau luu luang mau mach vanh cao han [6].

Phi dai th it trai du doan benh tim mach trong tuang

lai a cac doi tuang tang huyet ap.

Meenakshisundaram (2009) nghien clpu a Nam An

Do 30 ngudi THA c6 thdi gian bi benh tu 5 nam trd

len va 30 ngudi THA c6 thdi gian bi bfenh tu 6 thang

din 1 nam c6 so sanh vdi nhdm chung thiy ring

THA kfeo dai tac ddng Ifen su dan h ii DMC, h|u qua

ia iam tang khii ca th it trai. Qua dd tac gia khing

dinh, vai trd THA nhu ia mdt yeu t6 dan le iam tang

dd cung OMC va din din hau qua tren th it trai d

benh nhan THA [8], [9], Erdogan D. (2007) cung ghi

nhan ia chi s6 khoi ca th it trai tuang quan nghich vdi

su gian nd OMC va tuang quan thuan vdi chi s i

cung OMC [5]. Lulzim Selim Kamberi (2013), nghibn

cuu 140 bfenh nhan chia iam hai nhdm, d nhdm THA

ghi nhan, sue cang, tinh gian OMC giam va dd cung

OMC tang so vdi nhdm chung, sau 2 nam diiu tri ha

huyet ap va Statin d nhdm THA cho thiy cai thifen rd

chuc nang OMC [7], D iiu nay cho thay su cin thiit

diiu trj va kiem soat trj s i HA cd the iam ngung tinh

trang cung OMC, qua dd giam nguy ca tim mach d

benh nhan THA.

k £t lua n

- 06 cung OMC tang cd y nghla va sue cang, chi

so gian nd DMC giam cd y nghla d nhdm THA han

so vdi nhdm chung cd huyit ap binh thudng

(P<0,01).

- & nhdm THA, cd moi tuang quan nghjch giO-a

sue cang DMC, chi so gian nd DMC vdi chi s i khoi

ca th it trai, tuang quan thuan giua do cung DMC va

chi s i khii ca that trai (p < 0,05).

tA i lieu th a m k h A o

1. Guideline tang huyet ap cua Ph5n hdi Tang h u y e t

ap Viet Nam, 2010

2. Nguyen Anh Vu (2010). Sieu &m tim a ip nh$t

chan do&n, NXB Oai hoc Hue.

3. M.Cecelja, P. Chowienczyk (2012). Role of

arterial stiffness in cardiovascular disease. JRSM

Cardiovascular Disease, 4 (1).

4. Dernellis J., Panaretou M (2005) Aortic stiffness

is an independent predictor of progression to

hypertension in nonhypertensive subjects. Hypertension.

45(3), pp. 426-431.

5. Erdogan D., Caliskan M . Yildinm I., Gullu H.,

Baycan S., Ciftci O., Yildirir A., Mudemsoglu H. (2007),

Effect of normal blood pressure, prehypertension and

hypertension on left ventricular diastolic function and

aortic elastic properties, Blood Pressure, 16, pp. 114-121.

6 Gatzka C. D., Cameron J D , Kingwell B. A

(2002), Relation between coronary artery disease, aortic

stiffness, and left ventricular structure in a population

sample, Hypertension, 32, pp. 575 - 578

7. Lulzim Selim Kamberi, Daut Rashit Gorani, Teuta

Faik Hoxha, and Bedri Faik Zahiti (2013), Aortic

Compliance and Stiffness Among Severe Longstanding

Hypertensive and Non-hypertensive, Acta Inform

Med. 21(1): 12-15.

8 Meenakshisundaram R., Kamaraj K., Murugan S.,

Thirumalaikolundusubramanian P. (2009), Aortic stiffness

and distensibility among hypertensives, Annals of the New

York Academy of Sciences, 1173, pp. E68 - E71.

9. Turker Pabuccu, Nezihi Baris, Ebru Ozpelit, Bahri

Akdeniz, Sema Guneri (2012), The Relationship

between Resistant Hypertension and Arterial Stiffness,

Clinical and Experimental Hypertension, 34(1):57-62

10.Telmo Pereira; Joao Maldonado; Liliana Pereira;

Jorge Conde (2012), Aortic stiffness is an independent

predictor of stroke in hypertensive patients, Arq. Bras.

Cardiol. 100 (5)

DANH GIA CHllTC NANG TAM THU THAT TRAI TRltfC VA SAU PHAU THUAT

BAC CAU NOI DONG MACH VANH KHONG DUNG TUAN HOAN NGOAI Cfl THE

TRAN VAN PHU*, TRAN VIET HUNG**, NGUYiN LAN VI$T

*Hoc vien Y Dupe hqc co truyen Viet Nam, ** Benh vien Bach Mai

DAT VAN 0£

Phiu thuat b ic cau noi dong mach vanh su dgng

tuin hoan ngoai ca the thudng cd nhung bien chung

b it lai, chu yiu phan ung viem he thong gay ra bdi

may tim phii nhan tao[0, 0], va hinh thanh eye mau

d6ng do kep dong mach chu.

Nhung lai th i tiim nang cua phiu thuat kh6ng

dung tuin hoan ngoai ca the bao gom, giam viem he

thing, giam nguy ca hinh thanh cue mau d6ng, giam

phu n§o va xung huyit phii sau phlu thuat [0, 0],

Ngoai ra cdn giam thdi gian hSu phiu, giam su dung

thuic van mach, va it nhu ciu su dyng cac san phim

v i mau.

Sifeu am - Doppler tim dang m it binh difen va hai

binh difen dem lai cac thdng s i kha chinh xac v l kich

thudc va th i tich th it trai [0], Danh gia chuc nang

tam thu th it trai bing cac th6ng s i sau:

Kich thudc buong th it trai (Cavity dimensions).

Chuc nang toan b i th it trai (Global function).

Chuc nang tryc dai (Long-axis function).

B6 l TU-grNG VA PHUOTNG PHAP NGHIBN Cl/U

D ii tugng nghifen cuu cua chung tdi gim 32 bfenh

nhfen dupe phiu thu$t b ic c iu n ii chu- vdnh khing

su dyng tuin hoan ngoai ca th i tai Vifen Tim mach

quic gia Vifet Nam, Khoa Phiu thuat Tim mach Bfenh

vifen Oai hpc Y Dupe TPHCM trong thdri gian tir thang

4/2008 d in thang 10/2008. Khdng phan bifet tuii,

gidi, nghi nghifep...

82 Y HOC THITC HANH (905) - SO 2/2014