Heart bypass

What is Heart bypass?

Coronary artery bypass surgery, also known as coronary artery bypass graft (CABG, pronounced "cabbage") surgery, and colloquially heart bypass or bypass surgery, is a surgical procedure consisting of either diverting the left internal thoracic artery (left internal mammary artery or "LIMA") to the left anterior descending (LAD) branch of the left main coronary artery; or a harvested great saphenous vein of the leg, attaching the proximal end to the aorta or one of its major branches, and the distal end to immediately beyond a partially obstructed coronary artery (the "target vessel") - usually a 50% to 99% obstruction. The purpose is to restore normal blood flow to that partially obstructed coronary artery. It is performed to relieve angina unsatisfactorily controlled by maximum tolerated anti-ischemic medication, prevent or relieve left ventricular dysfunction, and/or reduce the risk of death. It does not prevent heart attacks. This surgery is usually performed with the heart stopped, necessitating the usage of cardiopulmonary bypass; however, two alternative techniques are also available allowing CABG to be performed on a beating heart either without using the cardiopulmonary bypass deemed as "off-pump" surgery or performing beating surgery using partial assistance of the cardiopulmonary bypass called as "on-pump beating" surgery. The latter gathers the advantages of the on-pump stopped and off-pump while minimizing their respective side-effects.

The obstruction being bypassed is due to arteriosclerosis, atherosclerosis, or both. Arteriosclerosis is characterized by thickening, loss of elasticity, and calcification of the arterial wall, most often resulting in a generalized narrowing in the affected coronary artery. Atherosclerosis is characterized by yellowish plaques of cholesterol, lipids, and cellular debris deposited into the inner layer of the wall of a large or medium-sized coronary artery, most often resulting in a focal partial obstruction in the affected artery, Each can limit blood flow if it causes a cross-sectional narrowing of at least 50%.

Questions and answers on "Heart bypass"

How long approx. will a 64 yr old male who has had quadruple heart bypass, smoker, diabetic, expect to live ? depression , stress, anxiety , rheumatoid arthritis as well

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I am 80yr.old male who is diabetic 2 had a heart bypass.justrecently for the first time after bowel ovement some blood came out of penis and then stoped my bowel movement was kind forced/I am presently on plavix mentforum coreg glimeride ramril asperin hydrocloide elavilblood from penis lasted a minute or so;should I take some home remedy or if it happens again go the emergency at hospital/

doctor1 MD

Hi,
blood in urine at your age could be due to urinary tract infections, stone or tumor.
As you are also diabetic, infection of urinary tract could be common. You can get a urine examination done, particularly look for pus cells and bacteria in urine.
If it is negative, get an ultrasound done to...

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My mum had a heart bypass on thursday. she seems to still be very drowsy and not very responsive. the drs arw not aure why as she is not on pain relief. my mum has previously had brain hermorage. strokes she is epileptic and diabetis. she is 66 years old. please help. is thia a bad sign

doctor1 MD

Hello ,
Post bypass surgery many reasons can be the reason for drowsiness .
Most common and easily correctable are low sodium or other metabolic reasons ( hypoxia, low sugars , impaired renal and hepatic causes)
As you said pain medication or sleeping pills , some antibiotics and other rarer...

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I had triple heart bypass 6 yrs ago /why do i need another now?
im only 41 started having heart-attacks when i was 31(had 6 in all) yes im married with kid

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I have had upper stomach ,mainly muscle problems since heart bypass 4 years ago. Upper right stomach under ribs swollen . No digestive problems. Had burning under xiphoid as main problem for several years but now feels like I did 500 situps. upper backpain also along spine.

doctor1 MD

Hello,

Consult a general surgeon and plan for an ultrasound scan.

Hope I have answered your query. Let me know if I can assist you further.

Regards,
Dr. Shinas Hussain,
General & Family Physician

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hiya my dad is 79 and has suffered with bronchitis all his life, he had a routine chest xray as the doctor said he hadnt had one since registered with him some 8 years now. they have found a 3cm shadow on his lung and is now waiting for a consultants appointment. he doesnt smoke he is 5.8 and 13stone we are of course all upset but am i right that it can be a scar from the bronchitis or even something from his heart bypass he had 15 years ago

doctor1 MD

Hi
If a shadow is found in CT scan of chest then it may be a pneumonic patche or a space occupying lesion.
I suggest he takes a course of antibiotic for 7 days then repeat a chest x ray.If the shadow still persist then CT guided biopsy from the shadow is recommended to rule out malignancy....

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Is it okay to take Xanax which I take every day, before heart bypass surgery? Should I not take Xanax 24 hours before heart bypass surgery? Surgery is quadruple bypass scheduled tomorrow morning 10/20/2014 at 630 am. Afraid of interaction with anesthesia

doctor1 MD

Brief Answer:
Yes, it is ok to take Xanax before surgery...

Detailed Answer:
Hi,

Yes, you can take Xanax safely every day before heart bypass surgery. It will help reduce anxiety of the surgery. There is no problem and no interaction with anesthesia.

Wish good luck for tomorrow!
God bless!...

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My grandfather is having a heart bypass tomorrow due to him having clots in his legs, the doctors told him he would not survive the surgery on his legs in he did not have this heart bypass, how risky is this operation going to be? He gave up smoking last year after smoking for 40+ years. What chance does he have of surviving this operation? They have already put it off twice before because they didnt think he would make it through!!

doctor1 MD

Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice.

Risk of operation can be calculated on the basis of various test reports including the heart function. Smoking can damage the vessels of heart, brain, lung and kidney. It also puts you under increased...

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Recent questions on  Heart bypass

doctor1 MD

I have had upper stomach ,mainly muscle problems since heart bypass 4 years ago. Upper right stomach under ribs swollen . No digestive problems. Had burning under xiphoid as main problem for several years but now feels like I did 500 situps. upper backpain also along spine.

doctor1 MD

My grandfather is having a heart bypass tomorrow due to him having clots in his legs, the doctors told him he would not survive the surgery on his legs in he did not have this heart bypass, how risky is this operation going to be? He gave up smoking last year after smoking for 40+ years. What chance does he have of surviving this operation? They have already put it off twice before because they didnt think he would make it through!!

doctor1 MD

Hello good Doctor, I have had a burning and itching of my skin and at times terrible itching in my feet for about a year. No rash, sores etc. I have been to a derm., family dr. urgent care and the creams they prescribe have not worked. I have been tested for alergies which I have none. I am at my wits end. 64 yr. old female. I have had heart bypass 6 yrs. ago but in good health now. I was a cowboy and mechanic on a ranch for 40 yrs (1800 head of cattle) and now I am an office manager (my first girl job). The burning is killing me!! What do you think could be the problem?

doctor1 MD

I m 59 years old and had undergone heart bypass one year ago

With blood flow medicine, aspirin and crestor taken, test show i have cpk raised to 226 three months later and to 550 six months later.



I understand this shows some form of muscle damage. Cardiologist says that it is ok, only when it reaches 1000 will it cause some concern. normal tests such as cholestrol, LDL, HDL , liver function(ALT, AST) are ok.



Is there measure to ensure that cpk is restored to normal. Can any nutritional supplements such as COQ10, omega 3, ALA, as well as controlled dieting and exercises ( on a treadmill, skipping) help.? i have stopped taking crestor for about three weeks now.



Doctor, thanks for your advice and hope to receive your reply



Regards

Francis







doctor1 MD

I am a 73 yr old woman. In Sep, 2016 I had a mild heart attack , 2 days later was sent to hospital, doctor wanted me ti see a heart bypass surgeon, but I refuseddue to in ability to take most meds. Now I am taking Metropilol, lisonopril,...

doctor1 MD

Hi Doctor, My uncle, aged 63, heavy smoker in past, is presently suffering from LUNG CANCER METASTASIZED TO BRAIN. He has undergone CORONARY ARTERY BYPASS SURGERY (CABG) three years before and his present EF is only 35%. Our dilemma is that one...

doctor1 MD

I am a61 years old white male out of an open heart bypass (1). Everything went fine and it was done 18 days ago. I am home, heart is medicated well and my lungs are working shallow, but sufficiently to allow me to walk independently a block around...

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